diff --git a/openlane/user_proj_example/.config.tcl.swp b/openlane/user_proj_example/.config.tcl.swp
deleted file mode 100644
index 0a23798..0000000
--- a/openlane/user_proj_example/.config.tcl.swp
+++ /dev/null
Binary files differ
diff --git a/verilog/rtl/original/hyperram.v b/verilog/rtl/original/hyperram.v
index ac4e915..7585941 100644
--- a/verilog/rtl/original/hyperram.v
+++ b/verilog/rtl/original/hyperram.v
@@ -1,3 +1,18 @@
+// SPDX-FileCopyrightText: 2022 Steve Goldsmith, Aurifex Labs LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
+
 module hyperram(
 	input clk,
 	input rst,
diff --git a/verilog/rtl/original/switch.v b/verilog/rtl/original/switch.v
index af5ac00..28eb963 100644
--- a/verilog/rtl/original/switch.v
+++ b/verilog/rtl/original/switch.v
@@ -1,3 +1,21 @@
+  GNU nano 4.8                                                                                    hyperram.v                                                                                               
+// SPDX-FileCopyrightText: 2022 Steve Goldsmith, Aurifex Labs LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
+
+
+
 module switch(
         // CPU Interface A
         input [31:0] address_a,
diff --git a/verilog/rtl/unit_test/bmc.sby b/verilog/rtl/unit_test/bmc.sby
index 76bc9d2..760ffd8 100644
--- a/verilog/rtl/unit_test/bmc.sby
+++ b/verilog/rtl/unit_test/bmc.sby
@@ -1,3 +1,21 @@
+  GNU nano 4.8                                                                                    hyperram.v                                                                                               
+// SPDX-FileCopyrightText: 2022 Steve Goldsmith, Aurifex Labs LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
+
+
+
 [options]
 mode bmc
 depth 100
diff --git a/verilog/rtl/unit_test/cover.sby b/verilog/rtl/unit_test/cover.sby
index 13476bf..5e82845 100644
--- a/verilog/rtl/unit_test/cover.sby
+++ b/verilog/rtl/unit_test/cover.sby
@@ -1,3 +1,21 @@
+  GNU nano 4.8                                                                                    hyperram.v                                                                                               
+// SPDX-FileCopyrightText: 2022 Steve Goldsmith, Aurifex Labs LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
+
+
+
 [options]
 mode cover
 depth 150
diff --git a/verilog/rtl/unit_test/cover/PASS b/verilog/rtl/unit_test/cover/PASS
deleted file mode 100644
index f0793a6..0000000
--- a/verilog/rtl/unit_test/cover/PASS
+++ /dev/null
@@ -1,9 +0,0 @@
-Elapsed clock time [H:MM:SS (secs)]: 0:00:05 (5)
-Elapsed process time [H:MM:SS (secs)]: 0:00:05 (5)
-engine_0 (smtbmc) returned pass
-trace: cover/engine_0/trace0.vcd
-trace: cover/engine_0/trace1.vcd
-trace: cover/engine_0/trace2.vcd
-trace: cover/engine_0/trace3.vcd
-trace: cover/engine_0/trace4.vcd
-and 4 further traces
diff --git a/verilog/rtl/unit_test/cover/config.sby b/verilog/rtl/unit_test/cover/config.sby
deleted file mode 100644
index 13476bf..0000000
--- a/verilog/rtl/unit_test/cover/config.sby
+++ /dev/null
@@ -1,13 +0,0 @@
-[options]
-mode cover
-depth 150
-
-[engines]
-smtbmc
-
-[script]
-read -formal hyperram.v
-prep -top hyperram
-
-[files]
-../original/hyperram.v
diff --git a/verilog/rtl/unit_test/cover/cover.xml b/verilog/rtl/unit_test/cover/cover.xml
deleted file mode 100644
index 626af86..0000000
--- a/verilog/rtl/unit_test/cover/cover.xml
+++ /dev/null
@@ -1,157 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<testsuites>
-<testsuite timestamp="2022-03-21T14:11:57" hostname="aurifex-tools" package="cover" id="0" name="default" tests="9" errors="0" failures="0" time="5" skipped="9">
-<properties>
-<property name="os" value="Linux"/>
-<property name="expect" value="PASS"/>
-<property name="status" value="PASS"/>
-</properties>
-<testcase classname="default" name="build execution" time="0">
-</testcase>
-<testcase classname="default" name="Property COVER in hyperram at hyperram.v:297.4-297.40" time="0" type="COVER" location="hyperram.v:297.4-297.40" id="cover_ca">
-<skipped />
-</testcase>
-<testcase classname="default" name="Property COVER in hyperram at hyperram.v:301.4-301.45" time="0" type="COVER" location="hyperram.v:301.4-301.45" id="cover_done">
-<skipped />
-</testcase>
-<testcase classname="default" name="Property COVER in hyperram at hyperram.v:296.4-296.42" time="0" type="COVER" location="hyperram.v:296.4-296.42" id="cover_idle">
-<skipped />
-</testcase>
-<testcase classname="default" name="Property COVER in hyperram at hyperram.v:300.4-300.44" time="0" type="COVER" location="hyperram.v:300.4-300.44" id="cover_read">
-<skipped />
-</testcase>
-<testcase classname="default" name="Property COVER in hyperram at hyperram.v:303.4-303.43" time="0" type="COVER" location="hyperram.v:303.4-303.43" id="cover_read_2">
-<skipped />
-</testcase>
-<testcase classname="default" name="Property COVER in hyperram at hyperram.v:298.4-298.42" time="0" type="COVER" location="hyperram.v:298.4-298.42" id="cover_wait">
-<skipped />
-</testcase>
-<testcase classname="default" name="Property COVER in hyperram at hyperram.v:299.4-299.43" time="0" type="COVER" location="hyperram.v:299.4-299.43" id="cover_write">
-<skipped />
-</testcase>
-<testcase classname="default" name="Property COVER in hyperram at hyperram.v:302.4-302.45" time="0" type="COVER" location="hyperram.v:302.4-302.45" id="cover_write_2">
-<skipped />
-</testcase>
-<testcase classname="default" name="Property COVER in hyperram at hyperram.v:304.4-304.65" time="0" type="COVER" location="hyperram.v:304.4-304.65" id="cover_write_read">
-<skipped />
-</testcase>
-<system-out>SBY 14:11:51 [cover] Copy '/root/mar20/tool/caravel_tutorial/caravel_example/verilog/rtl/original/hyperram.v' to '/root/mar20/tool/caravel_tutorial/caravel_example/verilog/rtl/unit_test/cover/src/hyperram.v'.
-SBY 14:11:51 [cover] engine_0: smtbmc
-SBY 14:11:51 [cover] base: starting process &quot;cd cover/src; yosys -ql ../model/design.log ../model/design.ys&quot;
-SBY 14:11:51 [cover] base: Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:51)
-SBY 14:11:51 [cover] base: Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:52)
-SBY 14:11:51 [cover] base: Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:96)
-SBY 14:11:51 [cover] base: Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:97)
-SBY 14:11:51 [cover] base: Warning: wire '\transaction_end' is assigned in a block at hyperram.v:98.3-98.22.
-SBY 14:11:51 [cover] base: Warning: wire '\transaction_end' is assigned in a block at hyperram.v:106.5-106.24.
-SBY 14:11:51 [cover] base: Warning: wire '\rst' is assigned in a block at hyperram.v:281.4-281.11.
-SBY 14:11:51 [cover] base: Warning: wire '\address' is assigned in a block at hyperram.v:282.4-282.24.
-SBY 14:11:51 [cover] base: Warning: wire '\data_in' is assigned in a block at hyperram.v:287.4-287.24.
-SBY 14:11:51 [cover] base: Warning: wire '\data_out' is assigned in a block at hyperram.v:288.4-288.25.
-SBY 14:11:51 [cover] base: Warning: wire '\rst' is assigned in a block at hyperram.v:292.4-292.11.
-SBY 14:11:51 [cover] base: finished (returncode=0)
-SBY 14:11:51 [cover] smt2: starting process &quot;cd cover/model; yosys -ql design_smt2.log design_smt2.ys&quot;
-SBY 14:11:51 [cover] smt2: finished (returncode=0)
-SBY 14:11:51 [cover] engine_0: starting process &quot;cd cover; yosys-smtbmc --presat --unroll -c --noprogress -t 150  --append 0 --dump-vcd engine_0/trace%.vcd --dump-vlogtb engine_0/trace%_tb.v --dump-smtc engine_0/trace%.smtc model/design_smt2.smt2&quot;
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Solver: yices
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 0..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 1..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_idle in step 1.
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace0.vcd
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace0_tb.v
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace0.smtc
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 1..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 2..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 3..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 4..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 5..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 6..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 7..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_ca in step 7.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace1.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace1_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace1.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 7..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 8..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_wait in step 8.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace2.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace2_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace2.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 8..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 9..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 10..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 11..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 12..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 13..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_write in step 13.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace3.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace3_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace3.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 13..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_read in step 13.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace4.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace4_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace4.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 13..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 14..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 15..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 16..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 17..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_done in step 17.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace5.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace5_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace5.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 17..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 18..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 19..
-SBY 14:11:52 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 20..
-SBY 14:11:52 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 21..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 22..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 23..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 24..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 25..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 26..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 27..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 28..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 29..
-SBY 14:11:53 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 30..
-SBY 14:11:54 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 31..
-SBY 14:11:54 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 32..
-SBY 14:11:54 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 33..
-SBY 14:11:54 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 34..
-SBY 14:11:54 [cover] engine_0: ##   0:00:03  Checking cover reachability in step 35..
-SBY 14:11:55 [cover] engine_0: ##   0:00:03  Checking cover reachability in step 36..
-SBY 14:11:55 [cover] engine_0: ##   0:00:03  Checking cover reachability in step 37..
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Checking cover reachability in step 38..
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Reached cover statement at cover_write_read in step 38.
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Writing trace to VCD file: engine_0/trace6.vcd
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Writing trace to Verilog testbench: engine_0/trace6_tb.v
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Writing trace to constraints file: engine_0/trace6.smtc
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Checking cover reachability in step 38..
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Reached cover statement at cover_write_2 in step 38.
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Writing trace to VCD file: engine_0/trace7.vcd
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to Verilog testbench: engine_0/trace7_tb.v
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to constraints file: engine_0/trace7.smtc
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Checking cover reachability in step 38..
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Reached cover statement at cover_read_2 in step 38.
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to VCD file: engine_0/trace8.vcd
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to Verilog testbench: engine_0/trace8_tb.v
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to constraints file: engine_0/trace8.smtc
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Status: passed
-SBY 14:11:57 [cover] engine_0: finished (returncode=0)
-SBY 14:11:57 [cover] engine_0: Status returned by engine: pass
-SBY 14:11:57 [cover] summary: Elapsed clock time [H:MM:SS (secs)]: 0:00:05 (5)
-SBY 14:11:57 [cover] summary: Elapsed process time [H:MM:SS (secs)]: 0:00:05 (5)
-SBY 14:11:57 [cover] summary: engine_0 (smtbmc) returned pass
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace0.vcd
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace1.vcd
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace2.vcd
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace3.vcd
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace4.vcd
-SBY 14:11:57 [cover] summary: and 4 further traces
-SBY 14:11:57 [cover] DONE (PASS, rc=0)
-</system-out>
-<system-err>
-</system-err>
-</testsuite>
-</testsuites>
diff --git a/verilog/rtl/unit_test/cover/engine_0/logfile.txt b/verilog/rtl/unit_test/cover/engine_0/logfile.txt
deleted file mode 100644
index 226ef5e..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/logfile.txt
+++ /dev/null
@@ -1,85 +0,0 @@
-##   0:00:00  Solver: yices
-##   0:00:00  Checking cover reachability in step 0..
-##   0:00:00  Checking cover reachability in step 1..
-##   0:00:00  Reached cover statement at cover_idle in step 1.
-##   0:00:00  Writing trace to VCD file: engine_0/trace0.vcd
-##   0:00:00  Writing trace to Verilog testbench: engine_0/trace0_tb.v
-##   0:00:00  Writing trace to constraints file: engine_0/trace0.smtc
-##   0:00:00  Checking cover reachability in step 1..
-##   0:00:00  Checking cover reachability in step 2..
-##   0:00:00  Checking cover reachability in step 3..
-##   0:00:00  Checking cover reachability in step 4..
-##   0:00:00  Checking cover reachability in step 5..
-##   0:00:00  Checking cover reachability in step 6..
-##   0:00:00  Checking cover reachability in step 7..
-##   0:00:00  Reached cover statement at cover_ca in step 7.
-##   0:00:00  Writing trace to VCD file: engine_0/trace1.vcd
-##   0:00:00  Writing trace to Verilog testbench: engine_0/trace1_tb.v
-##   0:00:00  Writing trace to constraints file: engine_0/trace1.smtc
-##   0:00:00  Checking cover reachability in step 7..
-##   0:00:00  Checking cover reachability in step 8..
-##   0:00:00  Reached cover statement at cover_wait in step 8.
-##   0:00:00  Writing trace to VCD file: engine_0/trace2.vcd
-##   0:00:00  Writing trace to Verilog testbench: engine_0/trace2_tb.v
-##   0:00:00  Writing trace to constraints file: engine_0/trace2.smtc
-##   0:00:00  Checking cover reachability in step 8..
-##   0:00:00  Checking cover reachability in step 9..
-##   0:00:00  Checking cover reachability in step 10..
-##   0:00:00  Checking cover reachability in step 11..
-##   0:00:00  Checking cover reachability in step 12..
-##   0:00:00  Checking cover reachability in step 13..
-##   0:00:00  Reached cover statement at cover_write in step 13.
-##   0:00:00  Writing trace to VCD file: engine_0/trace3.vcd
-##   0:00:00  Writing trace to Verilog testbench: engine_0/trace3_tb.v
-##   0:00:00  Writing trace to constraints file: engine_0/trace3.smtc
-##   0:00:00  Checking cover reachability in step 13..
-##   0:00:00  Reached cover statement at cover_read in step 13.
-##   0:00:00  Writing trace to VCD file: engine_0/trace4.vcd
-##   0:00:00  Writing trace to Verilog testbench: engine_0/trace4_tb.v
-##   0:00:00  Writing trace to constraints file: engine_0/trace4.smtc
-##   0:00:00  Checking cover reachability in step 13..
-##   0:00:00  Checking cover reachability in step 14..
-##   0:00:00  Checking cover reachability in step 15..
-##   0:00:00  Checking cover reachability in step 16..
-##   0:00:00  Checking cover reachability in step 17..
-##   0:00:00  Reached cover statement at cover_done in step 17.
-##   0:00:00  Writing trace to VCD file: engine_0/trace5.vcd
-##   0:00:00  Writing trace to Verilog testbench: engine_0/trace5_tb.v
-##   0:00:00  Writing trace to constraints file: engine_0/trace5.smtc
-##   0:00:00  Checking cover reachability in step 17..
-##   0:00:00  Checking cover reachability in step 18..
-##   0:00:00  Checking cover reachability in step 19..
-##   0:00:01  Checking cover reachability in step 20..
-##   0:00:01  Checking cover reachability in step 21..
-##   0:00:01  Checking cover reachability in step 22..
-##   0:00:01  Checking cover reachability in step 23..
-##   0:00:01  Checking cover reachability in step 24..
-##   0:00:01  Checking cover reachability in step 25..
-##   0:00:01  Checking cover reachability in step 26..
-##   0:00:01  Checking cover reachability in step 27..
-##   0:00:01  Checking cover reachability in step 28..
-##   0:00:01  Checking cover reachability in step 29..
-##   0:00:02  Checking cover reachability in step 30..
-##   0:00:02  Checking cover reachability in step 31..
-##   0:00:02  Checking cover reachability in step 32..
-##   0:00:02  Checking cover reachability in step 33..
-##   0:00:02  Checking cover reachability in step 34..
-##   0:00:03  Checking cover reachability in step 35..
-##   0:00:03  Checking cover reachability in step 36..
-##   0:00:03  Checking cover reachability in step 37..
-##   0:00:04  Checking cover reachability in step 38..
-##   0:00:04  Reached cover statement at cover_write_read in step 38.
-##   0:00:04  Writing trace to VCD file: engine_0/trace6.vcd
-##   0:00:04  Writing trace to Verilog testbench: engine_0/trace6_tb.v
-##   0:00:04  Writing trace to constraints file: engine_0/trace6.smtc
-##   0:00:04  Checking cover reachability in step 38..
-##   0:00:04  Reached cover statement at cover_write_2 in step 38.
-##   0:00:04  Writing trace to VCD file: engine_0/trace7.vcd
-##   0:00:05  Writing trace to Verilog testbench: engine_0/trace7_tb.v
-##   0:00:05  Writing trace to constraints file: engine_0/trace7.smtc
-##   0:00:05  Checking cover reachability in step 38..
-##   0:00:05  Reached cover statement at cover_read_2 in step 38.
-##   0:00:05  Writing trace to VCD file: engine_0/trace8.vcd
-##   0:00:05  Writing trace to Verilog testbench: engine_0/trace8_tb.v
-##   0:00:05  Writing trace to constraints file: engine_0/trace8.smtc
-##   0:00:05  Status: passed
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace0.smtc b/verilog/rtl/unit_test/cover/engine_0/trace0.smtc
deleted file mode 100644
index f3b364e..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace0.smtc
+++ /dev/null
@@ -1,48 +0,0 @@
-initial
-assume (= [$formal$hyperram.v:296$1_CHECK] false)
-assume (= [$formal$hyperram.v:296$1_EN] false)
-assume (= [$formal$hyperram.v:297$2_CHECK] false)
-assume (= [$formal$hyperram.v:298$3_CHECK] false)
-assume (= [$formal$hyperram.v:299$4_CHECK] false)
-assume (= [$formal$hyperram.v:300$5_CHECK] false)
-assume (= [$formal$hyperram.v:301$6_CHECK] false)
-assume (= [$formal$hyperram.v:302$7_CHECK] false)
-assume (= [$formal$hyperram.v:303$8_CHECK] false)
-assume (= [$formal$hyperram.v:304$9_CHECK] false)
-assume (= [ck] false)
-assume (= [command_address] #b000000000000000000000000000000000000000000000000)
-assume (= [control_state] #b0000000)
-assume (= [data_out_register] #b00000000000000000000000000000000)
-assume (= [done_counter] #b00000000)
-assume (= [read_count] #b000000)
-assume (= [wait_counter] #b00000000)
-assume (= [write_count] #b000000)
-assume (= [write_mask_register] #b0000)
-
-state 0
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 1
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace0_tb.v b/verilog/rtl/unit_test/cover/engine_0/trace0_tb.v
deleted file mode 100644
index 90d5790..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace0_tb.v
+++ /dev/null
@@ -1,106 +0,0 @@
-`ifndef VERILATOR
-module testbench;
-  reg [4095:0] vcdfile;
-  reg clock;
-`else
-module testbench(input clock, output reg genclock);
-  initial genclock = 1;
-`endif
-  reg genclock = 1;
-  reg [31:0] cycle = 0;
-  reg [3:0] PI_write_mask;
-  reg [0:0] PI_transaction_begin;
-  reg [5:0] PI_wait_latency;
-  reg [0:0] PI_write_enable;
-  reg [31:0] PI_address;
-  reg [5:0] PI_done_latency;
-  reg [7:0] PI_dq;
-  reg [31:0] PI_data_out;
-  reg [0:0] PI_timed_read;
-  wire [0:0] PI_clk = clock;
-  reg [0:0] PI_rwds;
-  reg [0:0] PI_rst;
-  hyperram UUT (
-    .write_mask(PI_write_mask),
-    .transaction_begin(PI_transaction_begin),
-    .wait_latency(PI_wait_latency),
-    .write_enable(PI_write_enable),
-    .address(PI_address),
-    .done_latency(PI_done_latency),
-    .dq(PI_dq),
-    .data_out(PI_data_out),
-    .timed_read(PI_timed_read),
-    .clk(PI_clk),
-    .rwds(PI_rwds),
-    .rst(PI_rst)
-  );
-`ifndef VERILATOR
-  initial begin
-    if ($value$plusargs("vcd=%s", vcdfile)) begin
-      $dumpfile(vcdfile);
-      $dumpvars(0, testbench);
-    end
-    #5 clock = 0;
-    while (genclock) begin
-      #5 clock = 0;
-      #5 clock = 1;
-    end
-  end
-`endif
-  initial begin
-`ifndef VERILATOR
-    #1;
-`endif
-    // UUT.$formal$hyperram.\v:296$1_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:296$1_EN  = 1'b0;
-    // UUT.$formal$hyperram.\v:297$2_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:298$3_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:299$4_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:300$5_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:301$6_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:302$7_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:303$8_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:304$9_CHECK  = 1'b0;
-    UUT.ck = 1'b0;
-    UUT.command_address = 48'b000000000000000000000000000000000000000000000000;
-    UUT.control_state = 7'b0000000;
-    UUT.data_out_register = 32'b00000000000000000000000000000000;
-    UUT.done_counter = 8'b00000000;
-    UUT.read_count = 6'b000000;
-    UUT.wait_counter = 8'b00000000;
-    UUT.write_count = 6'b000000;
-    UUT.write_mask_register = 4'b0000;
-
-    // state 0
-    PI_write_mask = 4'b0000;
-    PI_transaction_begin = 1'b0;
-    PI_wait_latency = 6'b000000;
-    PI_write_enable = 1'b0;
-    PI_address = 32'b00010010001101000101011001111000;
-    PI_done_latency = 6'b000000;
-    PI_dq = 8'b00000000;
-    PI_data_out = 32'b11001100110011001101110111011101;
-    PI_timed_read = 1'b0;
-    PI_rwds = 1'b0;
-    PI_rst = 1'b0;
-  end
-  always @(posedge clock) begin
-    // state 1
-    if (cycle == 0) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    genclock <= cycle < 1;
-    cycle <= cycle + 1;
-  end
-endmodule
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace1.smtc b/verilog/rtl/unit_test/cover/engine_0/trace1.smtc
deleted file mode 100644
index 60c17c4..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace1.smtc
+++ /dev/null
@@ -1,132 +0,0 @@
-initial
-assume (= [$formal$hyperram.v:296$1_CHECK] false)
-assume (= [$formal$hyperram.v:296$1_EN] false)
-assume (= [$formal$hyperram.v:297$2_CHECK] false)
-assume (= [$formal$hyperram.v:298$3_CHECK] false)
-assume (= [$formal$hyperram.v:299$4_CHECK] false)
-assume (= [$formal$hyperram.v:300$5_CHECK] false)
-assume (= [$formal$hyperram.v:301$6_CHECK] false)
-assume (= [$formal$hyperram.v:302$7_CHECK] false)
-assume (= [$formal$hyperram.v:303$8_CHECK] false)
-assume (= [$formal$hyperram.v:304$9_CHECK] false)
-assume (= [ck] false)
-assume (= [command_address] #b000000000000000000000000000000000000000000000000)
-assume (= [control_state] #b0000000)
-assume (= [data_out_register] #b00000000000000000000000000000000)
-assume (= [done_counter] #b00000000)
-assume (= [read_count] #b000000)
-assume (= [wait_counter] #b00000000)
-assume (= [write_count] #b000000)
-assume (= [write_mask_register] #b0000)
-
-state 0
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 1
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 2
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 3
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 4
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 5
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 6
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 7
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace1_tb.v b/verilog/rtl/unit_test/cover/engine_0/trace1_tb.v
deleted file mode 100644
index d00c057..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace1_tb.v
+++ /dev/null
@@ -1,196 +0,0 @@
-`ifndef VERILATOR
-module testbench;
-  reg [4095:0] vcdfile;
-  reg clock;
-`else
-module testbench(input clock, output reg genclock);
-  initial genclock = 1;
-`endif
-  reg genclock = 1;
-  reg [31:0] cycle = 0;
-  reg [3:0] PI_write_mask;
-  reg [0:0] PI_transaction_begin;
-  reg [5:0] PI_wait_latency;
-  reg [0:0] PI_write_enable;
-  reg [31:0] PI_address;
-  reg [5:0] PI_done_latency;
-  reg [7:0] PI_dq;
-  reg [31:0] PI_data_out;
-  reg [0:0] PI_timed_read;
-  wire [0:0] PI_clk = clock;
-  reg [0:0] PI_rwds;
-  reg [0:0] PI_rst;
-  hyperram UUT (
-    .write_mask(PI_write_mask),
-    .transaction_begin(PI_transaction_begin),
-    .wait_latency(PI_wait_latency),
-    .write_enable(PI_write_enable),
-    .address(PI_address),
-    .done_latency(PI_done_latency),
-    .dq(PI_dq),
-    .data_out(PI_data_out),
-    .timed_read(PI_timed_read),
-    .clk(PI_clk),
-    .rwds(PI_rwds),
-    .rst(PI_rst)
-  );
-`ifndef VERILATOR
-  initial begin
-    if ($value$plusargs("vcd=%s", vcdfile)) begin
-      $dumpfile(vcdfile);
-      $dumpvars(0, testbench);
-    end
-    #5 clock = 0;
-    while (genclock) begin
-      #5 clock = 0;
-      #5 clock = 1;
-    end
-  end
-`endif
-  initial begin
-`ifndef VERILATOR
-    #1;
-`endif
-    // UUT.$formal$hyperram.\v:296$1_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:296$1_EN  = 1'b0;
-    // UUT.$formal$hyperram.\v:297$2_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:298$3_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:299$4_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:300$5_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:301$6_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:302$7_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:303$8_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:304$9_CHECK  = 1'b0;
-    UUT.ck = 1'b0;
-    UUT.command_address = 48'b000000000000000000000000000000000000000000000000;
-    UUT.control_state = 7'b0000000;
-    UUT.data_out_register = 32'b00000000000000000000000000000000;
-    UUT.done_counter = 8'b00000000;
-    UUT.read_count = 6'b000000;
-    UUT.wait_counter = 8'b00000000;
-    UUT.write_count = 6'b000000;
-    UUT.write_mask_register = 4'b0000;
-
-    // state 0
-    PI_write_mask = 4'b0000;
-    PI_transaction_begin = 1'b1;
-    PI_wait_latency = 6'b000000;
-    PI_write_enable = 1'b0;
-    PI_address = 32'b00010010001101000101011001111000;
-    PI_done_latency = 6'b000000;
-    PI_dq = 8'b00000000;
-    PI_data_out = 32'b11001100110011001101110111011101;
-    PI_timed_read = 1'b0;
-    PI_rwds = 1'b0;
-    PI_rst = 1'b0;
-  end
-  always @(posedge clock) begin
-    // state 1
-    if (cycle == 0) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 2
-    if (cycle == 1) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 3
-    if (cycle == 2) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 4
-    if (cycle == 3) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 5
-    if (cycle == 4) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 6
-    if (cycle == 5) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 7
-    if (cycle == 6) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    genclock <= cycle < 7;
-    cycle <= cycle + 1;
-  end
-endmodule
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace2.smtc b/verilog/rtl/unit_test/cover/engine_0/trace2.smtc
deleted file mode 100644
index 910a05f..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace2.smtc
+++ /dev/null
@@ -1,146 +0,0 @@
-initial
-assume (= [$formal$hyperram.v:296$1_CHECK] false)
-assume (= [$formal$hyperram.v:296$1_EN] false)
-assume (= [$formal$hyperram.v:297$2_CHECK] false)
-assume (= [$formal$hyperram.v:298$3_CHECK] false)
-assume (= [$formal$hyperram.v:299$4_CHECK] false)
-assume (= [$formal$hyperram.v:300$5_CHECK] false)
-assume (= [$formal$hyperram.v:301$6_CHECK] false)
-assume (= [$formal$hyperram.v:302$7_CHECK] false)
-assume (= [$formal$hyperram.v:303$8_CHECK] false)
-assume (= [$formal$hyperram.v:304$9_CHECK] false)
-assume (= [ck] false)
-assume (= [command_address] #b000000000000000000000000000000000000000000000000)
-assume (= [control_state] #b0000000)
-assume (= [data_out_register] #b00000000000000000000000000000000)
-assume (= [done_counter] #b00000000)
-assume (= [read_count] #b000000)
-assume (= [wait_counter] #b00000000)
-assume (= [write_count] #b000000)
-assume (= [write_mask_register] #b0000)
-
-state 0
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 1
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 2
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 3
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 4
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 5
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 6
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 7
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 8
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace2_tb.v b/verilog/rtl/unit_test/cover/engine_0/trace2_tb.v
deleted file mode 100644
index 4fe1c27..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace2_tb.v
+++ /dev/null
@@ -1,211 +0,0 @@
-`ifndef VERILATOR
-module testbench;
-  reg [4095:0] vcdfile;
-  reg clock;
-`else
-module testbench(input clock, output reg genclock);
-  initial genclock = 1;
-`endif
-  reg genclock = 1;
-  reg [31:0] cycle = 0;
-  reg [3:0] PI_write_mask;
-  reg [0:0] PI_transaction_begin;
-  reg [5:0] PI_wait_latency;
-  reg [0:0] PI_write_enable;
-  reg [31:0] PI_address;
-  reg [5:0] PI_done_latency;
-  reg [7:0] PI_dq;
-  reg [31:0] PI_data_out;
-  reg [0:0] PI_timed_read;
-  wire [0:0] PI_clk = clock;
-  reg [0:0] PI_rwds;
-  reg [0:0] PI_rst;
-  hyperram UUT (
-    .write_mask(PI_write_mask),
-    .transaction_begin(PI_transaction_begin),
-    .wait_latency(PI_wait_latency),
-    .write_enable(PI_write_enable),
-    .address(PI_address),
-    .done_latency(PI_done_latency),
-    .dq(PI_dq),
-    .data_out(PI_data_out),
-    .timed_read(PI_timed_read),
-    .clk(PI_clk),
-    .rwds(PI_rwds),
-    .rst(PI_rst)
-  );
-`ifndef VERILATOR
-  initial begin
-    if ($value$plusargs("vcd=%s", vcdfile)) begin
-      $dumpfile(vcdfile);
-      $dumpvars(0, testbench);
-    end
-    #5 clock = 0;
-    while (genclock) begin
-      #5 clock = 0;
-      #5 clock = 1;
-    end
-  end
-`endif
-  initial begin
-`ifndef VERILATOR
-    #1;
-`endif
-    // UUT.$formal$hyperram.\v:296$1_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:296$1_EN  = 1'b0;
-    // UUT.$formal$hyperram.\v:297$2_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:298$3_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:299$4_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:300$5_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:301$6_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:302$7_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:303$8_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:304$9_CHECK  = 1'b0;
-    UUT.ck = 1'b0;
-    UUT.command_address = 48'b000000000000000000000000000000000000000000000000;
-    UUT.control_state = 7'b0000000;
-    UUT.data_out_register = 32'b00000000000000000000000000000000;
-    UUT.done_counter = 8'b00000000;
-    UUT.read_count = 6'b000000;
-    UUT.wait_counter = 8'b00000000;
-    UUT.write_count = 6'b000000;
-    UUT.write_mask_register = 4'b0000;
-
-    // state 0
-    PI_write_mask = 4'b0000;
-    PI_transaction_begin = 1'b1;
-    PI_wait_latency = 6'b000000;
-    PI_write_enable = 1'b0;
-    PI_address = 32'b00010010001101000101011001111000;
-    PI_done_latency = 6'b000000;
-    PI_dq = 8'b00000000;
-    PI_data_out = 32'b11001100110011001101110111011101;
-    PI_timed_read = 1'b0;
-    PI_rwds = 1'b0;
-    PI_rst = 1'b0;
-  end
-  always @(posedge clock) begin
-    // state 1
-    if (cycle == 0) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 2
-    if (cycle == 1) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 3
-    if (cycle == 2) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 4
-    if (cycle == 3) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 5
-    if (cycle == 4) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 6
-    if (cycle == 5) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 7
-    if (cycle == 6) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 8
-    if (cycle == 7) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    genclock <= cycle < 8;
-    cycle <= cycle + 1;
-  end
-endmodule
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace3.smtc b/verilog/rtl/unit_test/cover/engine_0/trace3.smtc
deleted file mode 100644
index abfc206..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace3.smtc
+++ /dev/null
@@ -1,216 +0,0 @@
-initial
-assume (= [$formal$hyperram.v:296$1_CHECK] false)
-assume (= [$formal$hyperram.v:296$1_EN] false)
-assume (= [$formal$hyperram.v:297$2_CHECK] false)
-assume (= [$formal$hyperram.v:298$3_CHECK] false)
-assume (= [$formal$hyperram.v:299$4_CHECK] false)
-assume (= [$formal$hyperram.v:300$5_CHECK] false)
-assume (= [$formal$hyperram.v:301$6_CHECK] false)
-assume (= [$formal$hyperram.v:302$7_CHECK] false)
-assume (= [$formal$hyperram.v:303$8_CHECK] false)
-assume (= [$formal$hyperram.v:304$9_CHECK] false)
-assume (= [ck] false)
-assume (= [command_address] #b000000000000000000000000000000000000000000000000)
-assume (= [control_state] #b0000000)
-assume (= [data_out_register] #b00000000000000000000000000000000)
-assume (= [done_counter] #b00000000)
-assume (= [read_count] #b000000)
-assume (= [wait_counter] #b00000000)
-assume (= [write_count] #b000000)
-assume (= [write_mask_register] #b0000)
-
-state 0
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 1
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 2
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 3
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 4
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 5
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 6
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 7
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 8
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 9
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 10
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 11
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 12
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 13
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace3_tb.v b/verilog/rtl/unit_test/cover/engine_0/trace3_tb.v
deleted file mode 100644
index 2ab2105..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace3_tb.v
+++ /dev/null
@@ -1,286 +0,0 @@
-`ifndef VERILATOR
-module testbench;
-  reg [4095:0] vcdfile;
-  reg clock;
-`else
-module testbench(input clock, output reg genclock);
-  initial genclock = 1;
-`endif
-  reg genclock = 1;
-  reg [31:0] cycle = 0;
-  reg [3:0] PI_write_mask;
-  reg [0:0] PI_transaction_begin;
-  reg [5:0] PI_wait_latency;
-  reg [0:0] PI_write_enable;
-  reg [31:0] PI_address;
-  reg [5:0] PI_done_latency;
-  reg [7:0] PI_dq;
-  reg [31:0] PI_data_out;
-  reg [0:0] PI_timed_read;
-  wire [0:0] PI_clk = clock;
-  reg [0:0] PI_rwds;
-  reg [0:0] PI_rst;
-  hyperram UUT (
-    .write_mask(PI_write_mask),
-    .transaction_begin(PI_transaction_begin),
-    .wait_latency(PI_wait_latency),
-    .write_enable(PI_write_enable),
-    .address(PI_address),
-    .done_latency(PI_done_latency),
-    .dq(PI_dq),
-    .data_out(PI_data_out),
-    .timed_read(PI_timed_read),
-    .clk(PI_clk),
-    .rwds(PI_rwds),
-    .rst(PI_rst)
-  );
-`ifndef VERILATOR
-  initial begin
-    if ($value$plusargs("vcd=%s", vcdfile)) begin
-      $dumpfile(vcdfile);
-      $dumpvars(0, testbench);
-    end
-    #5 clock = 0;
-    while (genclock) begin
-      #5 clock = 0;
-      #5 clock = 1;
-    end
-  end
-`endif
-  initial begin
-`ifndef VERILATOR
-    #1;
-`endif
-    // UUT.$formal$hyperram.\v:296$1_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:296$1_EN  = 1'b0;
-    // UUT.$formal$hyperram.\v:297$2_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:298$3_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:299$4_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:300$5_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:301$6_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:302$7_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:303$8_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:304$9_CHECK  = 1'b0;
-    UUT.ck = 1'b0;
-    UUT.command_address = 48'b000000000000000000000000000000000000000000000000;
-    UUT.control_state = 7'b0000000;
-    UUT.data_out_register = 32'b00000000000000000000000000000000;
-    UUT.done_counter = 8'b00000000;
-    UUT.read_count = 6'b000000;
-    UUT.wait_counter = 8'b00000000;
-    UUT.write_count = 6'b000000;
-    UUT.write_mask_register = 4'b0000;
-
-    // state 0
-    PI_write_mask = 4'b0000;
-    PI_transaction_begin = 1'b1;
-    PI_wait_latency = 6'b000000;
-    PI_write_enable = 1'b0;
-    PI_address = 32'b00010010001101000101011001111000;
-    PI_done_latency = 6'b000000;
-    PI_dq = 8'b00000000;
-    PI_data_out = 32'b11001100110011001101110111011101;
-    PI_timed_read = 1'b0;
-    PI_rwds = 1'b0;
-    PI_rst = 1'b0;
-  end
-  always @(posedge clock) begin
-    // state 1
-    if (cycle == 0) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 2
-    if (cycle == 1) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 3
-    if (cycle == 2) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 4
-    if (cycle == 3) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 5
-    if (cycle == 4) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 6
-    if (cycle == 5) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 7
-    if (cycle == 6) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 8
-    if (cycle == 7) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 9
-    if (cycle == 8) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 10
-    if (cycle == 9) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 11
-    if (cycle == 10) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 12
-    if (cycle == 11) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 13
-    if (cycle == 12) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    genclock <= cycle < 13;
-    cycle <= cycle + 1;
-  end
-endmodule
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace4.smtc b/verilog/rtl/unit_test/cover/engine_0/trace4.smtc
deleted file mode 100644
index 76921af..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace4.smtc
+++ /dev/null
@@ -1,216 +0,0 @@
-initial
-assume (= [$formal$hyperram.v:296$1_CHECK] false)
-assume (= [$formal$hyperram.v:296$1_EN] false)
-assume (= [$formal$hyperram.v:297$2_CHECK] false)
-assume (= [$formal$hyperram.v:298$3_CHECK] false)
-assume (= [$formal$hyperram.v:299$4_CHECK] false)
-assume (= [$formal$hyperram.v:300$5_CHECK] false)
-assume (= [$formal$hyperram.v:301$6_CHECK] false)
-assume (= [$formal$hyperram.v:302$7_CHECK] false)
-assume (= [$formal$hyperram.v:303$8_CHECK] false)
-assume (= [$formal$hyperram.v:304$9_CHECK] false)
-assume (= [ck] false)
-assume (= [command_address] #b000000000000000000000000000000000000000000000000)
-assume (= [control_state] #b0000000)
-assume (= [data_out_register] #b00000000000000000000000000000000)
-assume (= [done_counter] #b00000000)
-assume (= [read_count] #b000000)
-assume (= [wait_counter] #b00000000)
-assume (= [write_count] #b000000)
-assume (= [write_mask_register] #b0000)
-
-state 0
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 1
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 2
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 3
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 4
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 5
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 6
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 7
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 8
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 9
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 10
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 11
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 12
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 13
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace4_tb.v b/verilog/rtl/unit_test/cover/engine_0/trace4_tb.v
deleted file mode 100644
index 513da91..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace4_tb.v
+++ /dev/null
@@ -1,286 +0,0 @@
-`ifndef VERILATOR
-module testbench;
-  reg [4095:0] vcdfile;
-  reg clock;
-`else
-module testbench(input clock, output reg genclock);
-  initial genclock = 1;
-`endif
-  reg genclock = 1;
-  reg [31:0] cycle = 0;
-  reg [3:0] PI_write_mask;
-  reg [0:0] PI_transaction_begin;
-  reg [5:0] PI_wait_latency;
-  reg [0:0] PI_write_enable;
-  reg [31:0] PI_address;
-  reg [5:0] PI_done_latency;
-  reg [7:0] PI_dq;
-  reg [31:0] PI_data_out;
-  reg [0:0] PI_timed_read;
-  wire [0:0] PI_clk = clock;
-  reg [0:0] PI_rwds;
-  reg [0:0] PI_rst;
-  hyperram UUT (
-    .write_mask(PI_write_mask),
-    .transaction_begin(PI_transaction_begin),
-    .wait_latency(PI_wait_latency),
-    .write_enable(PI_write_enable),
-    .address(PI_address),
-    .done_latency(PI_done_latency),
-    .dq(PI_dq),
-    .data_out(PI_data_out),
-    .timed_read(PI_timed_read),
-    .clk(PI_clk),
-    .rwds(PI_rwds),
-    .rst(PI_rst)
-  );
-`ifndef VERILATOR
-  initial begin
-    if ($value$plusargs("vcd=%s", vcdfile)) begin
-      $dumpfile(vcdfile);
-      $dumpvars(0, testbench);
-    end
-    #5 clock = 0;
-    while (genclock) begin
-      #5 clock = 0;
-      #5 clock = 1;
-    end
-  end
-`endif
-  initial begin
-`ifndef VERILATOR
-    #1;
-`endif
-    // UUT.$formal$hyperram.\v:296$1_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:296$1_EN  = 1'b0;
-    // UUT.$formal$hyperram.\v:297$2_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:298$3_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:299$4_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:300$5_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:301$6_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:302$7_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:303$8_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:304$9_CHECK  = 1'b0;
-    UUT.ck = 1'b0;
-    UUT.command_address = 48'b000000000000000000000000000000000000000000000000;
-    UUT.control_state = 7'b0000000;
-    UUT.data_out_register = 32'b00000000000000000000000000000000;
-    UUT.done_counter = 8'b00000000;
-    UUT.read_count = 6'b000000;
-    UUT.wait_counter = 8'b00000000;
-    UUT.write_count = 6'b000000;
-    UUT.write_mask_register = 4'b0000;
-
-    // state 0
-    PI_write_mask = 4'b0000;
-    PI_transaction_begin = 1'b1;
-    PI_wait_latency = 6'b000000;
-    PI_write_enable = 1'b0;
-    PI_address = 32'b00010010001101000101011001111000;
-    PI_done_latency = 6'b000000;
-    PI_dq = 8'b00000000;
-    PI_data_out = 32'b11001100110011001101110111011101;
-    PI_timed_read = 1'b0;
-    PI_rwds = 1'b0;
-    PI_rst = 1'b0;
-  end
-  always @(posedge clock) begin
-    // state 1
-    if (cycle == 0) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 2
-    if (cycle == 1) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 3
-    if (cycle == 2) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 4
-    if (cycle == 3) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 5
-    if (cycle == 4) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 6
-    if (cycle == 5) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 7
-    if (cycle == 6) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 8
-    if (cycle == 7) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 9
-    if (cycle == 8) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 10
-    if (cycle == 9) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 11
-    if (cycle == 10) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 12
-    if (cycle == 11) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 13
-    if (cycle == 12) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    genclock <= cycle < 13;
-    cycle <= cycle + 1;
-  end
-endmodule
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace5.smtc b/verilog/rtl/unit_test/cover/engine_0/trace5.smtc
deleted file mode 100644
index 79600d9..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace5.smtc
+++ /dev/null
@@ -1,272 +0,0 @@
-initial
-assume (= [$formal$hyperram.v:296$1_CHECK] false)
-assume (= [$formal$hyperram.v:296$1_EN] false)
-assume (= [$formal$hyperram.v:297$2_CHECK] false)
-assume (= [$formal$hyperram.v:298$3_CHECK] false)
-assume (= [$formal$hyperram.v:299$4_CHECK] false)
-assume (= [$formal$hyperram.v:300$5_CHECK] false)
-assume (= [$formal$hyperram.v:301$6_CHECK] false)
-assume (= [$formal$hyperram.v:302$7_CHECK] false)
-assume (= [$formal$hyperram.v:303$8_CHECK] false)
-assume (= [$formal$hyperram.v:304$9_CHECK] false)
-assume (= [ck] false)
-assume (= [command_address] #b000000000000000000000000000000000000000000000000)
-assume (= [control_state] #b0000000)
-assume (= [data_out_register] #b00000000000000000000000000000000)
-assume (= [done_counter] #b00000000)
-assume (= [read_count] #b000000)
-assume (= [wait_counter] #b00000000)
-assume (= [write_count] #b000000)
-assume (= [write_mask_register] #b0000)
-
-state 0
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 1
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 2
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 3
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 4
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 5
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 6
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 7
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 8
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 9
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 10
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 11
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 12
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 13
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 14
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001100)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 15
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001100)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 16
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 17
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace5_tb.v b/verilog/rtl/unit_test/cover/engine_0/trace5_tb.v
deleted file mode 100644
index ce5ba82..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace5_tb.v
+++ /dev/null
@@ -1,346 +0,0 @@
-`ifndef VERILATOR
-module testbench;
-  reg [4095:0] vcdfile;
-  reg clock;
-`else
-module testbench(input clock, output reg genclock);
-  initial genclock = 1;
-`endif
-  reg genclock = 1;
-  reg [31:0] cycle = 0;
-  reg [3:0] PI_write_mask;
-  reg [0:0] PI_transaction_begin;
-  reg [5:0] PI_wait_latency;
-  reg [0:0] PI_write_enable;
-  reg [31:0] PI_address;
-  reg [5:0] PI_done_latency;
-  reg [7:0] PI_dq;
-  reg [31:0] PI_data_out;
-  reg [0:0] PI_timed_read;
-  wire [0:0] PI_clk = clock;
-  reg [0:0] PI_rwds;
-  reg [0:0] PI_rst;
-  hyperram UUT (
-    .write_mask(PI_write_mask),
-    .transaction_begin(PI_transaction_begin),
-    .wait_latency(PI_wait_latency),
-    .write_enable(PI_write_enable),
-    .address(PI_address),
-    .done_latency(PI_done_latency),
-    .dq(PI_dq),
-    .data_out(PI_data_out),
-    .timed_read(PI_timed_read),
-    .clk(PI_clk),
-    .rwds(PI_rwds),
-    .rst(PI_rst)
-  );
-`ifndef VERILATOR
-  initial begin
-    if ($value$plusargs("vcd=%s", vcdfile)) begin
-      $dumpfile(vcdfile);
-      $dumpvars(0, testbench);
-    end
-    #5 clock = 0;
-    while (genclock) begin
-      #5 clock = 0;
-      #5 clock = 1;
-    end
-  end
-`endif
-  initial begin
-`ifndef VERILATOR
-    #1;
-`endif
-    // UUT.$formal$hyperram.\v:296$1_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:296$1_EN  = 1'b0;
-    // UUT.$formal$hyperram.\v:297$2_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:298$3_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:299$4_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:300$5_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:301$6_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:302$7_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:303$8_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:304$9_CHECK  = 1'b0;
-    UUT.ck = 1'b0;
-    UUT.command_address = 48'b000000000000000000000000000000000000000000000000;
-    UUT.control_state = 7'b0000000;
-    UUT.data_out_register = 32'b00000000000000000000000000000000;
-    UUT.done_counter = 8'b00000000;
-    UUT.read_count = 6'b000000;
-    UUT.wait_counter = 8'b00000000;
-    UUT.write_count = 6'b000000;
-    UUT.write_mask_register = 4'b0000;
-
-    // state 0
-    PI_write_mask = 4'b0000;
-    PI_transaction_begin = 1'b1;
-    PI_wait_latency = 6'b000000;
-    PI_write_enable = 1'b0;
-    PI_address = 32'b00010010001101000101011001111000;
-    PI_done_latency = 6'b000000;
-    PI_dq = 8'b00000000;
-    PI_data_out = 32'b11001100110011001101110111011101;
-    PI_timed_read = 1'b0;
-    PI_rwds = 1'b0;
-    PI_rst = 1'b0;
-  end
-  always @(posedge clock) begin
-    // state 1
-    if (cycle == 0) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 2
-    if (cycle == 1) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 3
-    if (cycle == 2) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 4
-    if (cycle == 3) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 5
-    if (cycle == 4) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 6
-    if (cycle == 5) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 7
-    if (cycle == 6) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 8
-    if (cycle == 7) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 9
-    if (cycle == 8) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 10
-    if (cycle == 9) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 11
-    if (cycle == 10) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 12
-    if (cycle == 11) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 13
-    if (cycle == 12) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 14
-    if (cycle == 13) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001100;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 15
-    if (cycle == 14) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001100;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 16
-    if (cycle == 15) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 17
-    if (cycle == 16) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    genclock <= cycle < 17;
-    cycle <= cycle + 1;
-  end
-endmodule
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace6.smtc b/verilog/rtl/unit_test/cover/engine_0/trace6.smtc
deleted file mode 100644
index 2fb5b5f..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace6.smtc
+++ /dev/null
@@ -1,566 +0,0 @@
-initial
-assume (= [$formal$hyperram.v:296$1_CHECK] false)
-assume (= [$formal$hyperram.v:296$1_EN] false)
-assume (= [$formal$hyperram.v:297$2_CHECK] false)
-assume (= [$formal$hyperram.v:298$3_CHECK] false)
-assume (= [$formal$hyperram.v:299$4_CHECK] false)
-assume (= [$formal$hyperram.v:300$5_CHECK] false)
-assume (= [$formal$hyperram.v:301$6_CHECK] false)
-assume (= [$formal$hyperram.v:302$7_CHECK] false)
-assume (= [$formal$hyperram.v:303$8_CHECK] false)
-assume (= [$formal$hyperram.v:304$9_CHECK] false)
-assume (= [ck] false)
-assume (= [command_address] #b000000000000000000000000000000000000000000000000)
-assume (= [control_state] #b0000000)
-assume (= [data_out_register] #b00000000000000000000000000000000)
-assume (= [done_counter] #b00000000)
-assume (= [read_count] #b000000)
-assume (= [wait_counter] #b00000000)
-assume (= [write_count] #b000000)
-assume (= [write_mask_register] #b0000)
-
-state 0
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 1
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 2
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 3
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 4
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 5
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 6
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 7
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 8
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 9
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 10
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 11
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 12
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 13
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 14
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 15
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 16
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 17
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 18
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 19
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 20
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 21
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 22
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 23
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 24
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 25
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 26
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 27
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 28
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 29
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 30
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 31
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 32
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0001)
-
-state 33
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] true)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 34
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 35
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001100)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 36
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001100)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 37
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 38
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace6_tb.v b/verilog/rtl/unit_test/cover/engine_0/trace6_tb.v
deleted file mode 100644
index 0172369..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace6_tb.v
+++ /dev/null
@@ -1,661 +0,0 @@
-`ifndef VERILATOR
-module testbench;
-  reg [4095:0] vcdfile;
-  reg clock;
-`else
-module testbench(input clock, output reg genclock);
-  initial genclock = 1;
-`endif
-  reg genclock = 1;
-  reg [31:0] cycle = 0;
-  reg [3:0] PI_write_mask;
-  reg [0:0] PI_transaction_begin;
-  reg [5:0] PI_wait_latency;
-  reg [0:0] PI_write_enable;
-  reg [31:0] PI_address;
-  reg [5:0] PI_done_latency;
-  reg [7:0] PI_dq;
-  reg [31:0] PI_data_out;
-  reg [0:0] PI_timed_read;
-  wire [0:0] PI_clk = clock;
-  reg [0:0] PI_rwds;
-  reg [0:0] PI_rst;
-  hyperram UUT (
-    .write_mask(PI_write_mask),
-    .transaction_begin(PI_transaction_begin),
-    .wait_latency(PI_wait_latency),
-    .write_enable(PI_write_enable),
-    .address(PI_address),
-    .done_latency(PI_done_latency),
-    .dq(PI_dq),
-    .data_out(PI_data_out),
-    .timed_read(PI_timed_read),
-    .clk(PI_clk),
-    .rwds(PI_rwds),
-    .rst(PI_rst)
-  );
-`ifndef VERILATOR
-  initial begin
-    if ($value$plusargs("vcd=%s", vcdfile)) begin
-      $dumpfile(vcdfile);
-      $dumpvars(0, testbench);
-    end
-    #5 clock = 0;
-    while (genclock) begin
-      #5 clock = 0;
-      #5 clock = 1;
-    end
-  end
-`endif
-  initial begin
-`ifndef VERILATOR
-    #1;
-`endif
-    // UUT.$formal$hyperram.\v:296$1_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:296$1_EN  = 1'b0;
-    // UUT.$formal$hyperram.\v:297$2_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:298$3_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:299$4_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:300$5_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:301$6_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:302$7_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:303$8_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:304$9_CHECK  = 1'b0;
-    UUT.ck = 1'b0;
-    UUT.command_address = 48'b000000000000000000000000000000000000000000000000;
-    UUT.control_state = 7'b0000000;
-    UUT.data_out_register = 32'b00000000000000000000000000000000;
-    UUT.done_counter = 8'b00000000;
-    UUT.read_count = 6'b000000;
-    UUT.wait_counter = 8'b00000000;
-    UUT.write_count = 6'b000000;
-    UUT.write_mask_register = 4'b0000;
-
-    // state 0
-    PI_write_mask = 4'b0000;
-    PI_transaction_begin = 1'b1;
-    PI_wait_latency = 6'b000000;
-    PI_write_enable = 1'b0;
-    PI_address = 32'b00010010001101000101011001111000;
-    PI_done_latency = 6'b000000;
-    PI_dq = 8'b00000000;
-    PI_data_out = 32'b11001100110011001101110111011101;
-    PI_timed_read = 1'b0;
-    PI_rwds = 1'b0;
-    PI_rst = 1'b0;
-  end
-  always @(posedge clock) begin
-    // state 1
-    if (cycle == 0) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 2
-    if (cycle == 1) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 3
-    if (cycle == 2) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 4
-    if (cycle == 3) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 5
-    if (cycle == 4) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 6
-    if (cycle == 5) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 7
-    if (cycle == 6) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 8
-    if (cycle == 7) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 9
-    if (cycle == 8) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 10
-    if (cycle == 9) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 11
-    if (cycle == 10) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 12
-    if (cycle == 11) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 13
-    if (cycle == 12) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 14
-    if (cycle == 13) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 15
-    if (cycle == 14) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 16
-    if (cycle == 15) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 17
-    if (cycle == 16) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 18
-    if (cycle == 17) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 19
-    if (cycle == 18) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 20
-    if (cycle == 19) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 21
-    if (cycle == 20) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 22
-    if (cycle == 21) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 23
-    if (cycle == 22) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 24
-    if (cycle == 23) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 25
-    if (cycle == 24) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 26
-    if (cycle == 25) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 27
-    if (cycle == 26) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 28
-    if (cycle == 27) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 29
-    if (cycle == 28) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 30
-    if (cycle == 29) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 31
-    if (cycle == 30) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 32
-    if (cycle == 31) begin
-      PI_write_mask <= 4'b0001;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 33
-    if (cycle == 32) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b1;
-      PI_rst <= 1'b0;
-    end
-
-    // state 34
-    if (cycle == 33) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 35
-    if (cycle == 34) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001100;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 36
-    if (cycle == 35) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001100;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 37
-    if (cycle == 36) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 38
-    if (cycle == 37) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    genclock <= cycle < 38;
-    cycle <= cycle + 1;
-  end
-endmodule
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace7.smtc b/verilog/rtl/unit_test/cover/engine_0/trace7.smtc
deleted file mode 100644
index dbd2770..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace7.smtc
+++ /dev/null
@@ -1,566 +0,0 @@
-initial
-assume (= [$formal$hyperram.v:296$1_CHECK] false)
-assume (= [$formal$hyperram.v:296$1_EN] false)
-assume (= [$formal$hyperram.v:297$2_CHECK] false)
-assume (= [$formal$hyperram.v:298$3_CHECK] false)
-assume (= [$formal$hyperram.v:299$4_CHECK] false)
-assume (= [$formal$hyperram.v:300$5_CHECK] false)
-assume (= [$formal$hyperram.v:301$6_CHECK] false)
-assume (= [$formal$hyperram.v:302$7_CHECK] false)
-assume (= [$formal$hyperram.v:303$8_CHECK] false)
-assume (= [$formal$hyperram.v:304$9_CHECK] false)
-assume (= [ck] false)
-assume (= [command_address] #b000000000000000000000000000000000000000000000000)
-assume (= [control_state] #b0000000)
-assume (= [data_out_register] #b00000000000000000000000000000000)
-assume (= [done_counter] #b00000000)
-assume (= [read_count] #b000000)
-assume (= [wait_counter] #b00000000)
-assume (= [write_count] #b000000)
-assume (= [write_mask_register] #b0000)
-
-state 0
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 1
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 2
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 3
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 4
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 5
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 6
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 7
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] true)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 8
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 9
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 10
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 11
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 12
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 13
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 14
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001100)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 15
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001100)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 16
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 17
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] true)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 18
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 19
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 20
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 21
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 22
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 23
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 24
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 25
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 26
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 27
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 28
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 29
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 30
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 31
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 32
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 33
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 34
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11011101)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 35
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001100)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 36
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001100)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 37
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 38
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace7_tb.v b/verilog/rtl/unit_test/cover/engine_0/trace7_tb.v
deleted file mode 100644
index ac48d03..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace7_tb.v
+++ /dev/null
@@ -1,661 +0,0 @@
-`ifndef VERILATOR
-module testbench;
-  reg [4095:0] vcdfile;
-  reg clock;
-`else
-module testbench(input clock, output reg genclock);
-  initial genclock = 1;
-`endif
-  reg genclock = 1;
-  reg [31:0] cycle = 0;
-  reg [3:0] PI_write_mask;
-  reg [0:0] PI_transaction_begin;
-  reg [5:0] PI_wait_latency;
-  reg [0:0] PI_write_enable;
-  reg [31:0] PI_address;
-  reg [5:0] PI_done_latency;
-  reg [7:0] PI_dq;
-  reg [31:0] PI_data_out;
-  reg [0:0] PI_timed_read;
-  wire [0:0] PI_clk = clock;
-  reg [0:0] PI_rwds;
-  reg [0:0] PI_rst;
-  hyperram UUT (
-    .write_mask(PI_write_mask),
-    .transaction_begin(PI_transaction_begin),
-    .wait_latency(PI_wait_latency),
-    .write_enable(PI_write_enable),
-    .address(PI_address),
-    .done_latency(PI_done_latency),
-    .dq(PI_dq),
-    .data_out(PI_data_out),
-    .timed_read(PI_timed_read),
-    .clk(PI_clk),
-    .rwds(PI_rwds),
-    .rst(PI_rst)
-  );
-`ifndef VERILATOR
-  initial begin
-    if ($value$plusargs("vcd=%s", vcdfile)) begin
-      $dumpfile(vcdfile);
-      $dumpvars(0, testbench);
-    end
-    #5 clock = 0;
-    while (genclock) begin
-      #5 clock = 0;
-      #5 clock = 1;
-    end
-  end
-`endif
-  initial begin
-`ifndef VERILATOR
-    #1;
-`endif
-    // UUT.$formal$hyperram.\v:296$1_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:296$1_EN  = 1'b0;
-    // UUT.$formal$hyperram.\v:297$2_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:298$3_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:299$4_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:300$5_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:301$6_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:302$7_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:303$8_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:304$9_CHECK  = 1'b0;
-    UUT.ck = 1'b0;
-    UUT.command_address = 48'b000000000000000000000000000000000000000000000000;
-    UUT.control_state = 7'b0000000;
-    UUT.data_out_register = 32'b00000000000000000000000000000000;
-    UUT.done_counter = 8'b00000000;
-    UUT.read_count = 6'b000000;
-    UUT.wait_counter = 8'b00000000;
-    UUT.write_count = 6'b000000;
-    UUT.write_mask_register = 4'b0000;
-
-    // state 0
-    PI_write_mask = 4'b0000;
-    PI_transaction_begin = 1'b1;
-    PI_wait_latency = 6'b000000;
-    PI_write_enable = 1'b0;
-    PI_address = 32'b00010010001101000101011001111000;
-    PI_done_latency = 6'b000000;
-    PI_dq = 8'b00000000;
-    PI_data_out = 32'b11001100110011001101110111011101;
-    PI_timed_read = 1'b0;
-    PI_rwds = 1'b0;
-    PI_rst = 1'b0;
-  end
-  always @(posedge clock) begin
-    // state 1
-    if (cycle == 0) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 2
-    if (cycle == 1) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 3
-    if (cycle == 2) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 4
-    if (cycle == 3) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 5
-    if (cycle == 4) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 6
-    if (cycle == 5) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 7
-    if (cycle == 6) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b1;
-      PI_rst <= 1'b0;
-    end
-
-    // state 8
-    if (cycle == 7) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 9
-    if (cycle == 8) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 10
-    if (cycle == 9) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 11
-    if (cycle == 10) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 12
-    if (cycle == 11) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 13
-    if (cycle == 12) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 14
-    if (cycle == 13) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001100;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 15
-    if (cycle == 14) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001100;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 16
-    if (cycle == 15) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 17
-    if (cycle == 16) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b1;
-      PI_rst <= 1'b0;
-    end
-
-    // state 18
-    if (cycle == 17) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 19
-    if (cycle == 18) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 20
-    if (cycle == 19) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 21
-    if (cycle == 20) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 22
-    if (cycle == 21) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 23
-    if (cycle == 22) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 24
-    if (cycle == 23) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 25
-    if (cycle == 24) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 26
-    if (cycle == 25) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 27
-    if (cycle == 26) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 28
-    if (cycle == 27) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 29
-    if (cycle == 28) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 30
-    if (cycle == 29) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 31
-    if (cycle == 30) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 32
-    if (cycle == 31) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 33
-    if (cycle == 32) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 34
-    if (cycle == 33) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11011101;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 35
-    if (cycle == 34) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001100;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 36
-    if (cycle == 35) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001100;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 37
-    if (cycle == 36) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 38
-    if (cycle == 37) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    genclock <= cycle < 38;
-    cycle <= cycle + 1;
-  end
-endmodule
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace8.smtc b/verilog/rtl/unit_test/cover/engine_0/trace8.smtc
deleted file mode 100644
index b55744d..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace8.smtc
+++ /dev/null
@@ -1,566 +0,0 @@
-initial
-assume (= [$formal$hyperram.v:296$1_CHECK] false)
-assume (= [$formal$hyperram.v:296$1_EN] false)
-assume (= [$formal$hyperram.v:297$2_CHECK] false)
-assume (= [$formal$hyperram.v:298$3_CHECK] false)
-assume (= [$formal$hyperram.v:299$4_CHECK] false)
-assume (= [$formal$hyperram.v:300$5_CHECK] false)
-assume (= [$formal$hyperram.v:301$6_CHECK] false)
-assume (= [$formal$hyperram.v:302$7_CHECK] false)
-assume (= [$formal$hyperram.v:303$8_CHECK] false)
-assume (= [$formal$hyperram.v:304$9_CHECK] false)
-assume (= [ck] false)
-assume (= [command_address] #b000000000000000000000000000000000000000000000000)
-assume (= [control_state] #b0000000)
-assume (= [data_out_register] #b00000000000000000000000000000000)
-assume (= [done_counter] #b00000000)
-assume (= [read_count] #b000000)
-assume (= [wait_counter] #b00000000)
-assume (= [write_count] #b000000)
-assume (= [write_mask_register] #b0000)
-
-state 0
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 1
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 2
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 3
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 4
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 5
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 6
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 7
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 8
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 9
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 10
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 11
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 12
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 13
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 14
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 15
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 16
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 17
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 18
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 19
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 20
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 21
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 22
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00100000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 23
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000110)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 24
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b10001010)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 25
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b11001111)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 26
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 27
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 28
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 29
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 30
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] true)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 31
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 32
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] true)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 33
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] true)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 34
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] true)
-assume (= [write_mask] #b0000)
-
-state 35
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 36
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 37
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
-
-state 38
-assume (= [address] #b00010010001101000101011001111000)
-assume (= [clk] false)
-assume (= [data_out] #b11001100110011001101110111011101)
-assume (= [done_latency] #b000000)
-assume (= [dq] #b00000000)
-assume (= [rst] false)
-assume (= [rwds] false)
-assume (= [timed_read] false)
-assume (= [transaction_begin] false)
-assume (= [wait_latency] #b000000)
-assume (= [write_enable] false)
-assume (= [write_mask] #b0000)
diff --git a/verilog/rtl/unit_test/cover/engine_0/trace8_tb.v b/verilog/rtl/unit_test/cover/engine_0/trace8_tb.v
deleted file mode 100644
index 4bf93b2..0000000
--- a/verilog/rtl/unit_test/cover/engine_0/trace8_tb.v
+++ /dev/null
@@ -1,661 +0,0 @@
-`ifndef VERILATOR
-module testbench;
-  reg [4095:0] vcdfile;
-  reg clock;
-`else
-module testbench(input clock, output reg genclock);
-  initial genclock = 1;
-`endif
-  reg genclock = 1;
-  reg [31:0] cycle = 0;
-  reg [3:0] PI_write_mask;
-  reg [0:0] PI_transaction_begin;
-  reg [5:0] PI_wait_latency;
-  reg [0:0] PI_write_enable;
-  reg [31:0] PI_address;
-  reg [5:0] PI_done_latency;
-  reg [7:0] PI_dq;
-  reg [31:0] PI_data_out;
-  reg [0:0] PI_timed_read;
-  wire [0:0] PI_clk = clock;
-  reg [0:0] PI_rwds;
-  reg [0:0] PI_rst;
-  hyperram UUT (
-    .write_mask(PI_write_mask),
-    .transaction_begin(PI_transaction_begin),
-    .wait_latency(PI_wait_latency),
-    .write_enable(PI_write_enable),
-    .address(PI_address),
-    .done_latency(PI_done_latency),
-    .dq(PI_dq),
-    .data_out(PI_data_out),
-    .timed_read(PI_timed_read),
-    .clk(PI_clk),
-    .rwds(PI_rwds),
-    .rst(PI_rst)
-  );
-`ifndef VERILATOR
-  initial begin
-    if ($value$plusargs("vcd=%s", vcdfile)) begin
-      $dumpfile(vcdfile);
-      $dumpvars(0, testbench);
-    end
-    #5 clock = 0;
-    while (genclock) begin
-      #5 clock = 0;
-      #5 clock = 1;
-    end
-  end
-`endif
-  initial begin
-`ifndef VERILATOR
-    #1;
-`endif
-    // UUT.$formal$hyperram.\v:296$1_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:296$1_EN  = 1'b0;
-    // UUT.$formal$hyperram.\v:297$2_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:298$3_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:299$4_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:300$5_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:301$6_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:302$7_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:303$8_CHECK  = 1'b0;
-    // UUT.$formal$hyperram.\v:304$9_CHECK  = 1'b0;
-    UUT.ck = 1'b0;
-    UUT.command_address = 48'b000000000000000000000000000000000000000000000000;
-    UUT.control_state = 7'b0000000;
-    UUT.data_out_register = 32'b00000000000000000000000000000000;
-    UUT.done_counter = 8'b00000000;
-    UUT.read_count = 6'b000000;
-    UUT.wait_counter = 8'b00000000;
-    UUT.write_count = 6'b000000;
-    UUT.write_mask_register = 4'b0000;
-
-    // state 0
-    PI_write_mask = 4'b0000;
-    PI_transaction_begin = 1'b1;
-    PI_wait_latency = 6'b000000;
-    PI_write_enable = 1'b0;
-    PI_address = 32'b00010010001101000101011001111000;
-    PI_done_latency = 6'b000000;
-    PI_dq = 8'b00000000;
-    PI_data_out = 32'b11001100110011001101110111011101;
-    PI_timed_read = 1'b0;
-    PI_rwds = 1'b0;
-    PI_rst = 1'b0;
-  end
-  always @(posedge clock) begin
-    // state 1
-    if (cycle == 0) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 2
-    if (cycle == 1) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 3
-    if (cycle == 2) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 4
-    if (cycle == 3) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 5
-    if (cycle == 4) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 6
-    if (cycle == 5) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 7
-    if (cycle == 6) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 8
-    if (cycle == 7) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 9
-    if (cycle == 8) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 10
-    if (cycle == 9) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 11
-    if (cycle == 10) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 12
-    if (cycle == 11) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 13
-    if (cycle == 12) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 14
-    if (cycle == 13) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 15
-    if (cycle == 14) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 16
-    if (cycle == 15) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 17
-    if (cycle == 16) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 18
-    if (cycle == 17) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 19
-    if (cycle == 18) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 20
-    if (cycle == 19) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 21
-    if (cycle == 20) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 22
-    if (cycle == 21) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00100000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 23
-    if (cycle == 22) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000110;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 24
-    if (cycle == 23) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b10001010;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 25
-    if (cycle == 24) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b11001111;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 26
-    if (cycle == 25) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 27
-    if (cycle == 26) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 28
-    if (cycle == 27) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 29
-    if (cycle == 28) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 30
-    if (cycle == 29) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b1;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 31
-    if (cycle == 30) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 32
-    if (cycle == 31) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b1;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 33
-    if (cycle == 32) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b1;
-      PI_rst <= 1'b0;
-    end
-
-    // state 34
-    if (cycle == 33) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b1;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 35
-    if (cycle == 34) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 36
-    if (cycle == 35) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 37
-    if (cycle == 36) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    // state 38
-    if (cycle == 37) begin
-      PI_write_mask <= 4'b0000;
-      PI_transaction_begin <= 1'b0;
-      PI_wait_latency <= 6'b000000;
-      PI_write_enable <= 1'b0;
-      PI_address <= 32'b00010010001101000101011001111000;
-      PI_done_latency <= 6'b000000;
-      PI_dq <= 8'b00000000;
-      PI_data_out <= 32'b11001100110011001101110111011101;
-      PI_timed_read <= 1'b0;
-      PI_rwds <= 1'b0;
-      PI_rst <= 1'b0;
-    end
-
-    genclock <= cycle < 38;
-    cycle <= cycle + 1;
-  end
-endmodule
diff --git a/verilog/rtl/unit_test/cover/logfile.txt b/verilog/rtl/unit_test/cover/logfile.txt
deleted file mode 100644
index fb9283e..0000000
--- a/verilog/rtl/unit_test/cover/logfile.txt
+++ /dev/null
@@ -1,115 +0,0 @@
-SBY 14:11:51 [cover] Copy '/root/mar20/tool/caravel_tutorial/caravel_example/verilog/rtl/original/hyperram.v' to '/root/mar20/tool/caravel_tutorial/caravel_example/verilog/rtl/unit_test/cover/src/hyperram.v'.
-SBY 14:11:51 [cover] engine_0: smtbmc
-SBY 14:11:51 [cover] base: starting process "cd cover/src; yosys -ql ../model/design.log ../model/design.ys"
-SBY 14:11:51 [cover] base: Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:51)
-SBY 14:11:51 [cover] base: Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:52)
-SBY 14:11:51 [cover] base: Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:96)
-SBY 14:11:51 [cover] base: Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:97)
-SBY 14:11:51 [cover] base: Warning: wire '\transaction_end' is assigned in a block at hyperram.v:98.3-98.22.
-SBY 14:11:51 [cover] base: Warning: wire '\transaction_end' is assigned in a block at hyperram.v:106.5-106.24.
-SBY 14:11:51 [cover] base: Warning: wire '\rst' is assigned in a block at hyperram.v:281.4-281.11.
-SBY 14:11:51 [cover] base: Warning: wire '\address' is assigned in a block at hyperram.v:282.4-282.24.
-SBY 14:11:51 [cover] base: Warning: wire '\data_in' is assigned in a block at hyperram.v:287.4-287.24.
-SBY 14:11:51 [cover] base: Warning: wire '\data_out' is assigned in a block at hyperram.v:288.4-288.25.
-SBY 14:11:51 [cover] base: Warning: wire '\rst' is assigned in a block at hyperram.v:292.4-292.11.
-SBY 14:11:51 [cover] base: finished (returncode=0)
-SBY 14:11:51 [cover] smt2: starting process "cd cover/model; yosys -ql design_smt2.log design_smt2.ys"
-SBY 14:11:51 [cover] smt2: finished (returncode=0)
-SBY 14:11:51 [cover] engine_0: starting process "cd cover; yosys-smtbmc --presat --unroll -c --noprogress -t 150  --append 0 --dump-vcd engine_0/trace%.vcd --dump-vlogtb engine_0/trace%_tb.v --dump-smtc engine_0/trace%.smtc model/design_smt2.smt2"
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Solver: yices
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 0..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 1..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_idle in step 1.
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace0.vcd
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace0_tb.v
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace0.smtc
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 1..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 2..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 3..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 4..
-SBY 14:11:51 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 5..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 6..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 7..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_ca in step 7.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace1.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace1_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace1.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 7..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 8..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_wait in step 8.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace2.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace2_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace2.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 8..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 9..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 10..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 11..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 12..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 13..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_write in step 13.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace3.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace3_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace3.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 13..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_read in step 13.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace4.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace4_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace4.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 13..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 14..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 15..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 16..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 17..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Reached cover statement at cover_done in step 17.
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to VCD file: engine_0/trace5.vcd
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to Verilog testbench: engine_0/trace5_tb.v
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Writing trace to constraints file: engine_0/trace5.smtc
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 17..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 18..
-SBY 14:11:52 [cover] engine_0: ##   0:00:00  Checking cover reachability in step 19..
-SBY 14:11:52 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 20..
-SBY 14:11:52 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 21..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 22..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 23..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 24..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 25..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 26..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 27..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 28..
-SBY 14:11:53 [cover] engine_0: ##   0:00:01  Checking cover reachability in step 29..
-SBY 14:11:53 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 30..
-SBY 14:11:54 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 31..
-SBY 14:11:54 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 32..
-SBY 14:11:54 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 33..
-SBY 14:11:54 [cover] engine_0: ##   0:00:02  Checking cover reachability in step 34..
-SBY 14:11:54 [cover] engine_0: ##   0:00:03  Checking cover reachability in step 35..
-SBY 14:11:55 [cover] engine_0: ##   0:00:03  Checking cover reachability in step 36..
-SBY 14:11:55 [cover] engine_0: ##   0:00:03  Checking cover reachability in step 37..
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Checking cover reachability in step 38..
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Reached cover statement at cover_write_read in step 38.
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Writing trace to VCD file: engine_0/trace6.vcd
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Writing trace to Verilog testbench: engine_0/trace6_tb.v
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Writing trace to constraints file: engine_0/trace6.smtc
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Checking cover reachability in step 38..
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Reached cover statement at cover_write_2 in step 38.
-SBY 14:11:56 [cover] engine_0: ##   0:00:04  Writing trace to VCD file: engine_0/trace7.vcd
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to Verilog testbench: engine_0/trace7_tb.v
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to constraints file: engine_0/trace7.smtc
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Checking cover reachability in step 38..
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Reached cover statement at cover_read_2 in step 38.
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to VCD file: engine_0/trace8.vcd
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to Verilog testbench: engine_0/trace8_tb.v
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Writing trace to constraints file: engine_0/trace8.smtc
-SBY 14:11:57 [cover] engine_0: ##   0:00:05  Status: passed
-SBY 14:11:57 [cover] engine_0: finished (returncode=0)
-SBY 14:11:57 [cover] engine_0: Status returned by engine: pass
-SBY 14:11:57 [cover] summary: Elapsed clock time [H:MM:SS (secs)]: 0:00:05 (5)
-SBY 14:11:57 [cover] summary: Elapsed process time [H:MM:SS (secs)]: 0:00:05 (5)
-SBY 14:11:57 [cover] summary: engine_0 (smtbmc) returned pass
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace0.vcd
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace1.vcd
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace2.vcd
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace3.vcd
-SBY 14:11:57 [cover] summary: trace: cover/engine_0/trace4.vcd
-SBY 14:11:57 [cover] summary: and 4 further traces
-SBY 14:11:57 [cover] DONE (PASS, rc=0)
diff --git a/verilog/rtl/unit_test/cover/model/design.il b/verilog/rtl/unit_test/cover/model/design.il
deleted file mode 100644
index 3025470..0000000
--- a/verilog/rtl/unit_test/cover/model/design.il
+++ /dev/null
@@ -1,942 +0,0 @@
-# Generated by Yosys 0.15+11 (git sha1 cbece4af0, clang 10.0.0-4ubuntu1 -fPIC -Os)
-autoidx 429
-attribute \keep 1
-attribute \hdlname "\\hyperram"
-attribute \top 1
-attribute \src "hyperram.v:1.1-308.10"
-module \hyperram
-  attribute \src "hyperram.v:295.3-305.6"
-  wire $0$formal$hyperram.v:296$1_CHECK[0:0]$51
-  attribute \src "hyperram.v:295.3-305.6"
-  wire $0$formal$hyperram.v:297$2_CHECK[0:0]$53
-  attribute \src "hyperram.v:295.3-305.6"
-  wire $0$formal$hyperram.v:298$3_CHECK[0:0]$55
-  attribute \src "hyperram.v:295.3-305.6"
-  wire $0$formal$hyperram.v:299$4_CHECK[0:0]$57
-  attribute \src "hyperram.v:295.3-305.6"
-  wire $0$formal$hyperram.v:300$5_CHECK[0:0]$59
-  attribute \src "hyperram.v:295.3-305.6"
-  wire $0$formal$hyperram.v:301$6_CHECK[0:0]$61
-  attribute \src "hyperram.v:295.3-305.6"
-  wire $0$formal$hyperram.v:302$7_CHECK[0:0]$63
-  attribute \src "hyperram.v:295.3-305.6"
-  wire $0$formal$hyperram.v:303$8_CHECK[0:0]$65
-  attribute \src "hyperram.v:295.3-305.6"
-  wire $0$formal$hyperram.v:304$9_CHECK[0:0]$67
-  attribute \src "hyperram.v:32.2-39.5"
-  wire $0\ck[0:0]
-  attribute \src "hyperram.v:268.3-275.6"
-  wire width 6 $0\read_count[5:0]
-  attribute \src "hyperram.v:268.3-275.6"
-  wire width 6 $0\write_count[5:0]
-  attribute \src "hyperram.v:0.0-0.0"
-  wire width 7 $2\next_control_state[6:0]
-  attribute \src "hyperram.v:0.0-0.0"
-  wire width 8 $2\next_done_counter[7:0]
-  attribute \src "hyperram.v:0.0-0.0"
-  wire width 8 $2\next_wait_counter[7:0]
-  attribute \src "hyperram.v:0.0-0.0"
-  wire width 7 $3\next_control_state[6:0]
-  wire width 3 $4\next_control_state[6:0]
-  attribute \src "hyperram.v:0.0-0.0"
-  wire width 7 $5\next_control_state[6:0]
-  attribute \src "hyperram.v:0.0-0.0"
-  wire width 7 $6\next_control_state[6:0]
-  wire width 7 $add$hyperram.v:109$23_Y
-  wire width 8 $add$hyperram.v:152$30_Y
-  wire width 8 $add$hyperram.v:225$40_Y
-  wire width 6 $add$hyperram.v:270$47_Y
-  wire width 6 $add$hyperram.v:273$49_Y
-  wire $auto$opt_reduce.cc:134:opt_pmux$418
-  wire $auto$opt_reduce.cc:134:opt_pmux$420
-  wire $auto$opt_reduce.cc:134:opt_pmux$422
-  attribute \src "hyperram.v:154.8-154.36"
-  wire $eq$hyperram.v:154$31_Y
-  attribute \src "hyperram.v:227.8-227.36"
-  wire $eq$hyperram.v:227$41_Y
-  attribute \src "hyperram.v:269.7-269.28"
-  wire $eq$hyperram.v:269$46_Y
-  attribute \src "hyperram.v:272.7-272.28"
-  wire $eq$hyperram.v:272$48_Y
-  attribute \src "hyperram.v:304.29-304.44"
-  wire $eq$hyperram.v:304$77_Y
-  attribute \src "hyperram.v:304.48-304.64"
-  wire $eq$hyperram.v:304$78_Y
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:296$1_CHECK
-  attribute \init 1'0
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:296$1_EN
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:297$2_CHECK
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:298$3_CHECK
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:299$4_CHECK
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:300$5_CHECK
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:301$6_CHECK
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:302$7_CHECK
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:303$8_CHECK
-  attribute \src "hyperram.v:0.0-0.0"
-  wire $formal$hyperram.v:304$9_CHECK
-  attribute \src "hyperram.v:201.8-201.26"
-  wire $logic_or$hyperram.v:201$35_Y
-  wire $procmux$213_CMP
-  wire $procmux$214_CMP
-  wire $procmux$217_CMP
-  wire $procmux$218_CMP
-  wire $procmux$222_CMP
-  wire $procmux$223_CMP
-  wire $procmux$224_CMP
-  wire $procmux$225_CMP
-  wire $procmux$226_CMP
-  attribute \src "hyperram.v:6.15-6.22"
-  wire width 32 input 3 \address
-  attribute \src "hyperram.v:16.9-16.11"
-  wire output 11 \ck
-  attribute \src "hyperram.v:17.9-17.15"
-  wire output 12 \ck_bar
-  attribute \src "hyperram.v:2.8-2.11"
-  wire input 1 \clk
-  attribute \src "hyperram.v:236.13-236.28"
-  wire width 48 \command_address
-  attribute \init 7'0000000
-  attribute \src "hyperram.v:66.12-66.25"
-  wire width 7 \control_state
-  attribute \src "hyperram.v:18.9-18.15"
-  wire output 13 \cs_bar
-  attribute \src "hyperram.v:8.16-8.23"
-  wire width 32 output 5 \data_in
-  attribute \src "hyperram.v:70.13-70.29"
-  wire width 32 \data_in_register
-  attribute \src "hyperram.v:7.15-7.23"
-  wire width 32 input 4 \data_out
-  attribute \src "hyperram.v:242.13-242.30"
-  wire width 32 \data_out_register
-  attribute \init 8'00000000
-  attribute \src "hyperram.v:62.12-62.24"
-  wire width 8 \done_counter
-  attribute \src "hyperram.v:24.14-24.26"
-  wire width 6 input 17 \done_latency
-  attribute \src "hyperram.v:15.14-15.16"
-  wire width 8 inout 10 \dq
-  attribute \src "hyperram.v:47.6-47.11"
-  wire \dq_oe
-  attribute \src "hyperram.v:46.12-46.18"
-  wire width 8 \dq_out
-  attribute \src "hyperram.v:237.13-237.33"
-  wire width 48 \next_command_address
-  attribute \src "hyperram.v:67.12-67.30"
-  wire width 7 \next_control_state
-  attribute \src "hyperram.v:243.13-243.35"
-  wire width 32 \next_data_out_register
-  attribute \src "hyperram.v:63.12-63.29"
-  wire width 8 \next_done_counter
-  attribute \src "hyperram.v:60.12-60.29"
-  wire width 8 \next_wait_counter
-  attribute \src "hyperram.v:240.12-240.36"
-  wire width 4 \next_write_mask_register
-  attribute \init 6'000000
-  attribute \src "hyperram.v:265.13-265.23"
-  wire width 6 \read_count
-  attribute \src "hyperram.v:3.8-3.11"
-  wire input 2 \rst
-  attribute \src "hyperram.v:19.8-19.12"
-  wire inout 14 \rwds
-  attribute \src "hyperram.v:49.6-49.13"
-  wire \rwds_oe
-  attribute \src "hyperram.v:48.6-48.14"
-  wire \rwds_out
-  attribute \src "hyperram.v:22.8-22.18"
-  wire input 15 \timed_read
-  attribute \src "hyperram.v:11.8-11.25"
-  wire input 8 \transaction_begin
-  attribute \src "hyperram.v:12.9-12.24"
-  wire output 9 \transaction_end
-  attribute \init 8'00000000
-  attribute \src "hyperram.v:59.12-59.24"
-  wire width 8 \wait_counter
-  attribute \src "hyperram.v:23.14-23.26"
-  wire width 6 input 16 \wait_latency
-  attribute \init 6'000000
-  attribute \src "hyperram.v:266.13-266.24"
-  wire width 6 \write_count
-  attribute \src "hyperram.v:9.8-9.20"
-  wire input 6 \write_enable
-  attribute \src "hyperram.v:10.14-10.24"
-  wire width 4 input 7 \write_mask
-  attribute \src "hyperram.v:239.12-239.31"
-  wire width 4 \write_mask_register
-  attribute \src "hyperram.v:109.27-109.44"
-  cell $add $add$hyperram.v:109$23
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 7
-    connect \A \control_state
-    connect \B 1'1
-    connect \Y $add$hyperram.v:109$23_Y
-  end
-  attribute \src "hyperram.v:152.25-152.41"
-  cell $add $add$hyperram.v:152$30
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 8
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 8
-    connect \A \wait_counter
-    connect \B 1'1
-    connect \Y $add$hyperram.v:152$30_Y
-  end
-  attribute \src "hyperram.v:225.25-225.41"
-  cell $add $add$hyperram.v:225$40
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 8
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 8
-    connect \A \done_counter
-    connect \B 1'1
-    connect \Y $add$hyperram.v:225$40_Y
-  end
-  attribute \src "hyperram.v:270.19-270.33"
-  cell $add $add$hyperram.v:270$47
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 6
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 6
-    connect \A \read_count
-    connect \B 1'1
-    connect \Y $add$hyperram.v:270$47_Y
-  end
-  attribute \src "hyperram.v:273.20-273.35"
-  cell $add $add$hyperram.v:273$49
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 6
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 6
-    connect \A \write_count
-    connect \B 1'1
-    connect \Y $add$hyperram.v:273$49_Y
-  end
-  cell $reduce_or $auto$opt_reduce.cc:128:opt_pmux$417
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 12
-    parameter \Y_WIDTH 1
-    connect \A { $procmux$226_CMP $procmux$225_CMP $procmux$224_CMP $procmux$223_CMP $procmux$222_CMP $procmux$218_CMP $procmux$217_CMP $procmux$214_CMP $procmux$213_CMP $0$formal$hyperram.v:299$4_CHECK[0:0]$57 $0$formal$hyperram.v:297$2_CHECK[0:0]$53 $eq$hyperram.v:269$46_Y }
-    connect \Y $auto$opt_reduce.cc:134:opt_pmux$418
-  end
-  cell $reduce_or $auto$opt_reduce.cc:128:opt_pmux$419
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 4
-    parameter \Y_WIDTH 1
-    connect \A { $procmux$218_CMP $procmux$217_CMP $0$formal$hyperram.v:299$4_CHECK[0:0]$57 $eq$hyperram.v:272$48_Y }
-    connect \Y $auto$opt_reduce.cc:134:opt_pmux$420
-  end
-  cell $reduce_or $auto$opt_reduce.cc:128:opt_pmux$421
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 10
-    parameter \Y_WIDTH 1
-    connect \A { $procmux$226_CMP $procmux$225_CMP $procmux$224_CMP $procmux$223_CMP $procmux$222_CMP $procmux$218_CMP $procmux$217_CMP $0$formal$hyperram.v:299$4_CHECK[0:0]$57 $0$formal$hyperram.v:297$2_CHECK[0:0]$53 $eq$hyperram.v:272$48_Y }
-    connect \Y $auto$opt_reduce.cc:134:opt_pmux$422
-  end
-  attribute \src "hyperram.v:154.8-154.36"
-  cell $eq $eq$hyperram.v:154$31
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 8
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 3
-    parameter \Y_WIDTH 1
-    connect \A \wait_counter
-    connect \B 3'100
-    connect \Y $eq$hyperram.v:154$31_Y
-  end
-  attribute \src "hyperram.v:227.8-227.36"
-  cell $eq $eq$hyperram.v:227$41
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 8
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 3
-    parameter \Y_WIDTH 1
-    connect \A \done_counter
-    connect \B 3'100
-    connect \Y $eq$hyperram.v:227$41_Y
-  end
-  attribute \src "hyperram.v:269.7-269.28"
-  cell $eq $eq$hyperram.v:269$46
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 4
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 4'1111
-    connect \Y $eq$hyperram.v:269$46_Y
-  end
-  attribute \src "hyperram.v:272.7-272.28"
-  cell $eq $eq$hyperram.v:272$48
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 4
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 4'1011
-    connect \Y $eq$hyperram.v:272$48_Y
-  end
-  attribute \src "hyperram.v:296.23-296.41"
-  cell $logic_not $eq$hyperram.v:296$69
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \Y $0$formal$hyperram.v:296$1_CHECK[0:0]$51
-  end
-  attribute \src "hyperram.v:297.21-297.39"
-  cell $eq $eq$hyperram.v:297$70
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 3
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 3'110
-    connect \Y $0$formal$hyperram.v:297$2_CHECK[0:0]$53
-  end
-  attribute \src "hyperram.v:298.23-298.41"
-  cell $eq $eq$hyperram.v:298$71
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 3
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 3'111
-    connect \Y $0$formal$hyperram.v:298$3_CHECK[0:0]$55
-  end
-  attribute \src "hyperram.v:299.24-299.42"
-  cell $eq $eq$hyperram.v:299$72
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 4
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 4'1000
-    connect \Y $0$formal$hyperram.v:299$4_CHECK[0:0]$57
-  end
-  attribute \src "hyperram.v:300.23-300.43"
-  cell $eq $eq$hyperram.v:300$73
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 4
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 4'1100
-    connect \Y $0$formal$hyperram.v:300$5_CHECK[0:0]$59
-  end
-  attribute \src "hyperram.v:301.23-301.44"
-  cell $eq $eq$hyperram.v:301$74
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 5
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 5'10000
-    connect \Y $0$formal$hyperram.v:301$6_CHECK[0:0]$61
-  end
-  attribute \src "hyperram.v:302.26-302.44"
-  cell $eq $eq$hyperram.v:302$75
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 6
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 2
-    parameter \Y_WIDTH 1
-    connect \A \write_count
-    connect \B 2'10
-    connect \Y $0$formal$hyperram.v:302$7_CHECK[0:0]$63
-  end
-  attribute \src "hyperram.v:303.25-303.42"
-  cell $eq $eq$hyperram.v:303$76
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 6
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 2
-    parameter \Y_WIDTH 1
-    connect \A \read_count
-    connect \B 2'10
-    connect \Y $0$formal$hyperram.v:303$8_CHECK[0:0]$65
-  end
-  attribute \src "hyperram.v:304.29-304.44"
-  cell $eq $eq$hyperram.v:304$77
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 6
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 1
-    connect \A \read_count
-    connect \B 1'1
-    connect \Y $eq$hyperram.v:304$77_Y
-  end
-  attribute \src "hyperram.v:304.48-304.64"
-  cell $eq $eq$hyperram.v:304$78
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 6
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 1
-    connect \A \write_count
-    connect \B 1'1
-    connect \Y $eq$hyperram.v:304$78_Y
-  end
-  attribute \src "hyperram.v:304.29-304.64"
-  cell $logic_and $logic_and$hyperram.v:304$79
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 1
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 1
-    connect \A $eq$hyperram.v:304$77_Y
-    connect \B $eq$hyperram.v:304$78_Y
-    connect \Y $0$formal$hyperram.v:304$9_CHECK[0:0]$67
-  end
-  attribute \src "hyperram.v:253.4-253.17"
-  cell $logic_not $logic_not$hyperram.v:253$44
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 1
-    parameter \Y_WIDTH 1
-    connect \A \write_enable
-    connect \Y \next_command_address [47]
-  end
-  attribute \src "hyperram.v:37.10-37.13"
-  cell $logic_not $logic_not$hyperram.v:37$12
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 1
-    parameter \Y_WIDTH 1
-    connect \A \ck
-    connect \Y \ck_bar
-  end
-  attribute \src "hyperram.v:201.8-201.26"
-  cell $logic_or $logic_or$hyperram.v:201$35
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 1
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 1
-    connect \A \rwds
-    connect \B \timed_read
-    connect \Y $logic_or$hyperram.v:201$35_Y
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$389
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0$formal$hyperram.v:296$1_CHECK[0:0]$51
-    connect \Q $formal$hyperram.v:296$1_CHECK
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$390
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D 1'1
-    connect \Q $formal$hyperram.v:296$1_EN
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$391
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0$formal$hyperram.v:297$2_CHECK[0:0]$53
-    connect \Q $formal$hyperram.v:297$2_CHECK
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$393
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0$formal$hyperram.v:298$3_CHECK[0:0]$55
-    connect \Q $formal$hyperram.v:298$3_CHECK
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$395
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0$formal$hyperram.v:299$4_CHECK[0:0]$57
-    connect \Q $formal$hyperram.v:299$4_CHECK
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$397
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0$formal$hyperram.v:300$5_CHECK[0:0]$59
-    connect \Q $formal$hyperram.v:300$5_CHECK
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$399
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0$formal$hyperram.v:301$6_CHECK[0:0]$61
-    connect \Q $formal$hyperram.v:301$6_CHECK
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$401
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0$formal$hyperram.v:302$7_CHECK[0:0]$63
-    connect \Q $formal$hyperram.v:302$7_CHECK
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$403
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0$formal$hyperram.v:303$8_CHECK[0:0]$65
-    connect \Q $formal$hyperram.v:303$8_CHECK
-  end
-  attribute \src "hyperram.v:295.3-305.6"
-  cell $dff $procdff$405
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0$formal$hyperram.v:304$9_CHECK[0:0]$67
-    connect \Q $formal$hyperram.v:304$9_CHECK
-  end
-  attribute \always_ff 1
-  attribute \src "hyperram.v:268.3-275.6"
-  cell $dff $procdff$407
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 6
-    connect \CLK \clk
-    connect \D $0\read_count[5:0]
-    connect \Q \read_count
-  end
-  attribute \always_ff 1
-  attribute \src "hyperram.v:268.3-275.6"
-  cell $dff $procdff$408
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 6
-    connect \CLK \clk
-    connect \D $0\write_count[5:0]
-    connect \Q \write_count
-  end
-  attribute \always_ff 1
-  attribute \src "hyperram.v:245.2-249.5"
-  cell $dff $procdff$409
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 48
-    connect \CLK \transaction_begin
-    connect \D { \next_command_address [47] 47'01000000000011010001010110011110000000000000000 }
-    connect \Q \command_address
-  end
-  attribute \always_ff 1
-  attribute \src "hyperram.v:245.2-249.5"
-  cell $dff $procdff$410
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 4
-    connect \CLK \transaction_begin
-    connect \D \write_mask
-    connect \Q \write_mask_register
-  end
-  attribute \always_ff 1
-  attribute \src "hyperram.v:245.2-249.5"
-  cell $dff $procdff$411
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 31
-    connect \CLK \transaction_begin
-    connect \D 31'1001100110011001101110111011101
-    connect \Q \data_out_register [30:0]
-  end
-  attribute \always_ff 1
-  attribute \src "hyperram.v:72.2-85.5"
-  cell $dff $procdff$412
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 8
-    connect \CLK \clk
-    connect \D \next_wait_counter
-    connect \Q \wait_counter
-  end
-  attribute \always_ff 1
-  attribute \src "hyperram.v:72.2-85.5"
-  cell $dff $procdff$413
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 8
-    connect \CLK \clk
-    connect \D \next_done_counter
-    connect \Q \done_counter
-  end
-  attribute \always_ff 1
-  attribute \src "hyperram.v:72.2-85.5"
-  cell $dff $procdff$414
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 7
-    connect \CLK \clk
-    connect \D \next_control_state
-    connect \Q \control_state
-  end
-  attribute \always_ff 1
-  attribute \src "hyperram.v:32.2-39.5"
-  cell $dff $procdff$416
-    parameter \CLK_POLARITY 1'1
-    parameter \WIDTH 1
-    connect \CLK \clk
-    connect \D $0\ck[0:0]
-    connect \Q \ck
-  end
-  attribute \src "hyperram.v:269.7-269.28|hyperram.v:269.4-271.7"
-  cell $mux $procmux$101
-    parameter \WIDTH 6
-    connect \A \read_count
-    connect \B $add$hyperram.v:270$47_Y
-    connect \S $eq$hyperram.v:269$46_Y
-    connect \Y $0\read_count[5:0]
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:227.8-227.36|hyperram.v:227.5-230.8"
-  cell $mux $procmux$109
-    parameter \WIDTH 7
-    connect \A \control_state
-    connect \B 7'0000000
-    connect \S $eq$hyperram.v:227$41_Y
-    connect \Y $6\next_control_state[6:0]
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:227.8-227.36|hyperram.v:227.5-230.8"
-  cell $mux $procmux$120
-    parameter \WIDTH 8
-    connect \A $add$hyperram.v:225$40_Y
-    connect \B 8'00000000
-    connect \S $eq$hyperram.v:227$41_Y
-    connect \Y $2\next_done_counter[7:0]
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:201.8-201.26|hyperram.v:201.5-204.8"
-  cell $mux $procmux$153
-    parameter \WIDTH 7
-    connect \A \control_state
-    connect \B $add$hyperram.v:109$23_Y
-    connect \S $logic_or$hyperram.v:201$35_Y
-    connect \Y $5\next_control_state[6:0]
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:154.8-154.36|hyperram.v:154.5-162.8"
-  cell $mux $procmux$168
-    parameter \WIDTH 7
-    connect \A \control_state
-    connect \B { 4'0001 $4\next_control_state[6:0] }
-    connect \S $eq$hyperram.v:154$31_Y
-    connect \Y $3\next_control_state[6:0]
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:154.8-154.36|hyperram.v:154.5-162.8"
-  cell $mux $procmux$183
-    parameter \WIDTH 8
-    connect \A $add$hyperram.v:152$30_Y
-    connect \B 8'00000000
-    connect \S $eq$hyperram.v:154$31_Y
-    connect \Y $2\next_wait_counter[7:0]
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:108.8-108.25|hyperram.v:108.5-110.8"
-  cell $mux $procmux$205
-    parameter \WIDTH 7
-    connect \A \control_state
-    connect \B $add$hyperram.v:109$23_Y
-    connect \S \transaction_begin
-    connect \Y $2\next_control_state[6:0]
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $pmux $procmux$210
-    parameter \S_WIDTH 6
-    parameter \WIDTH 7
-    connect \A \control_state
-    connect \B { $2\next_control_state[6:0] $3\next_control_state[6:0] 7'0010000 $5\next_control_state[6:0] $add$hyperram.v:109$23_Y $6\next_control_state[6:0] }
-    connect \S { $0$formal$hyperram.v:296$1_CHECK[0:0]$51 $0$formal$hyperram.v:298$3_CHECK[0:0]$55 $eq$hyperram.v:272$48_Y $0$formal$hyperram.v:300$5_CHECK[0:0]$59 $auto$opt_reduce.cc:134:opt_pmux$418 $0$formal$hyperram.v:301$6_CHECK[0:0]$61 }
-    connect \Y \next_control_state
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $eq $procmux$213_CMP0
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 4
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 4'1110
-    connect \Y $procmux$213_CMP
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $eq $procmux$214_CMP0
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 4
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 4'1101
-    connect \Y $procmux$214_CMP
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $eq $procmux$217_CMP0
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 4
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 4'1010
-    connect \Y $procmux$217_CMP
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $eq $procmux$218_CMP0
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 4
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 4'1001
-    connect \Y $procmux$218_CMP
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $eq $procmux$222_CMP0
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 3
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 3'101
-    connect \Y $procmux$222_CMP
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $eq $procmux$223_CMP0
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 3
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 3'100
-    connect \Y $procmux$223_CMP
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $eq $procmux$224_CMP0
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 2
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 2'11
-    connect \Y $procmux$224_CMP
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $eq $procmux$225_CMP0
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 2
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 2'10
-    connect \Y $procmux$225_CMP
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $eq $procmux$226_CMP0
-    parameter \A_SIGNED 0
-    parameter \A_WIDTH 7
-    parameter \B_SIGNED 0
-    parameter \B_WIDTH 1
-    parameter \Y_WIDTH 1
-    connect \A \control_state
-    connect \B 1'1
-    connect \Y $procmux$226_CMP
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $mux $procmux$245
-    parameter \WIDTH 1
-    connect \A 1'0
-    connect \B 1'1
-    connect \S $0$formal$hyperram.v:296$1_CHECK[0:0]$51
-    connect \Y \transaction_end
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:156.9-156.30|hyperram.v:156.6-161.9"
-  cell $mux $procmux$297
-    parameter \WIDTH 3
-    connect \A 3'000
-    connect \B 3'100
-    connect \S \command_address [47]
-    connect \Y $4\next_control_state[6:0]
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $mux $procmux$304
-    parameter \WIDTH 8
-    connect \A \done_counter
-    connect \B $2\next_done_counter[7:0]
-    connect \S $0$formal$hyperram.v:301$6_CHECK[0:0]$61
-    connect \Y \next_done_counter
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $mux $procmux$316
-    parameter \WIDTH 8
-    connect \A \wait_counter
-    connect \B $2\next_wait_counter[7:0]
-    connect \S $0$formal$hyperram.v:298$3_CHECK[0:0]$55
-    connect \Y \next_wait_counter
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $mux $procmux$324
-    parameter \WIDTH 1
-    connect \A 1'0
-    connect \B 1'1
-    connect \S $auto$opt_reduce.cc:134:opt_pmux$420
-    connect \Y \rwds_oe
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $pmux $procmux$335
-    parameter \S_WIDTH 4
-    parameter \WIDTH 1
-    connect \A 1'x
-    connect \B { \write_mask_register [0] \write_mask_register [1] \write_mask_register [2] \write_mask_register [3] }
-    connect \S { $0$formal$hyperram.v:299$4_CHECK[0:0]$57 $procmux$218_CMP $procmux$217_CMP $eq$hyperram.v:272$48_Y }
-    connect \Y \rwds_out
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $mux $procmux$346
-    parameter \WIDTH 1
-    connect \A 1'0
-    connect \B 1'1
-    connect \S $auto$opt_reduce.cc:134:opt_pmux$422
-    connect \Y \dq_oe
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:0.0-0.0|hyperram.v:101.3-232.10"
-  cell $pmux $procmux$363
-    parameter \S_WIDTH 10
-    parameter \WIDTH 8
-    connect \A 8'x
-    connect \B { \command_address \data_out_register [7:0] \data_out_register [15:8] \data_out_register [23:16] \data_out_register [30] \data_out_register [30:24] }
-    connect \S { $procmux$226_CMP $procmux$225_CMP $procmux$224_CMP $procmux$223_CMP $procmux$222_CMP $0$formal$hyperram.v:297$2_CHECK[0:0]$53 $0$formal$hyperram.v:299$4_CHECK[0:0]$57 $procmux$218_CMP $procmux$217_CMP $eq$hyperram.v:272$48_Y }
-    connect \Y \dq_out
-  end
-  attribute \full_case 1
-  attribute \src "hyperram.v:33.6-33.14|hyperram.v:33.3-38.6"
-  cell $mux $procmux$387
-    parameter \WIDTH 1
-    connect \A \ck_bar
-    connect \B 1'0
-    connect \S $0$formal$hyperram.v:296$1_CHECK[0:0]$51
-    connect \Y $0\ck[0:0]
-  end
-  attribute \src "hyperram.v:272.7-272.28|hyperram.v:272.4-274.7"
-  cell $mux $procmux$99
-    parameter \WIDTH 6
-    connect \A \write_count
-    connect \B $add$hyperram.v:273$49_Y
-    connect \S $eq$hyperram.v:272$48_Y
-    connect \Y $0\write_count[5:0]
-  end
-  attribute \src "hyperram.v:51.14-51.35"
-  cell $mux $ternary$hyperram.v:51$16
-    parameter \WIDTH 8
-    connect \A 8'x
-    connect \B \dq_out
-    connect \S \dq_oe
-    connect \Y \dq
-  end
-  attribute \src "hyperram.v:52.16-52.41"
-  cell $mux $ternary$hyperram.v:52$19
-    parameter \WIDTH 1
-    connect \A 1'x
-    connect \B \rwds_out
-    connect \S \rwds_oe
-    connect \Y \rwds
-  end
-  attribute \src "hyperram.v:297.4-297.40"
-  cell $cover \cover_ca
-    connect \A $formal$hyperram.v:297$2_CHECK
-    connect \EN $formal$hyperram.v:296$1_EN
-  end
-  attribute \src "hyperram.v:301.4-301.45"
-  cell $cover \cover_done
-    connect \A $formal$hyperram.v:301$6_CHECK
-    connect \EN $formal$hyperram.v:296$1_EN
-  end
-  attribute \src "hyperram.v:296.4-296.42"
-  cell $cover \cover_idle
-    connect \A $formal$hyperram.v:296$1_CHECK
-    connect \EN $formal$hyperram.v:296$1_EN
-  end
-  attribute \src "hyperram.v:300.4-300.44"
-  cell $cover \cover_read
-    connect \A $formal$hyperram.v:300$5_CHECK
-    connect \EN $formal$hyperram.v:296$1_EN
-  end
-  attribute \src "hyperram.v:303.4-303.43"
-  cell $cover \cover_read_2
-    connect \A $formal$hyperram.v:303$8_CHECK
-    connect \EN $formal$hyperram.v:296$1_EN
-  end
-  attribute \src "hyperram.v:298.4-298.42"
-  cell $cover \cover_wait
-    connect \A $formal$hyperram.v:298$3_CHECK
-    connect \EN $formal$hyperram.v:296$1_EN
-  end
-  attribute \src "hyperram.v:299.4-299.43"
-  cell $cover \cover_write
-    connect \A $formal$hyperram.v:299$4_CHECK
-    connect \EN $formal$hyperram.v:296$1_EN
-  end
-  attribute \src "hyperram.v:302.4-302.45"
-  cell $cover \cover_write_2
-    connect \A $formal$hyperram.v:302$7_CHECK
-    connect \EN $formal$hyperram.v:296$1_EN
-  end
-  attribute \src "hyperram.v:304.4-304.65"
-  cell $cover \cover_write_read
-    connect \A $formal$hyperram.v:304$9_CHECK
-    connect \EN $formal$hyperram.v:296$1_EN
-  end
-  connect \address 305419896
-  connect \cs_bar \transaction_end
-  connect \data_in 32'10101010101010101011101110111011
-  connect \data_in_register 32'10101010101010101011101110111011
-  connect \data_out 32'11001100110011001101110111011101
-  connect \data_out_register [31] \data_out_register [30]
-  connect \next_command_address [46:0] 47'01000000000011010001010110011110000000000000000
-  connect \next_data_out_register 32'11001100110011001101110111011101
-  connect \next_write_mask_register \write_mask
-  connect \rst 1'0
-end
diff --git a/verilog/rtl/unit_test/cover/model/design.json b/verilog/rtl/unit_test/cover/model/design.json
deleted file mode 100644
index 1945b1b..0000000
--- a/verilog/rtl/unit_test/cover/model/design.json
+++ /dev/null
@@ -1,2540 +0,0 @@
-{
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-          "bits": [ 133 ],
-          "attributes": {
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$formal$hyperram.v:296$1_EN": {
-          "hide_name": 1,
-          "bits": [ 134 ],
-          "attributes": {
-            "init": "0",
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$formal$hyperram.v:297$2_CHECK": {
-          "hide_name": 1,
-          "bits": [ 135 ],
-          "attributes": {
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$formal$hyperram.v:298$3_CHECK": {
-          "hide_name": 1,
-          "bits": [ 136 ],
-          "attributes": {
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$formal$hyperram.v:299$4_CHECK": {
-          "hide_name": 1,
-          "bits": [ 137 ],
-          "attributes": {
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$formal$hyperram.v:300$5_CHECK": {
-          "hide_name": 1,
-          "bits": [ 138 ],
-          "attributes": {
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$formal$hyperram.v:301$6_CHECK": {
-          "hide_name": 1,
-          "bits": [ 139 ],
-          "attributes": {
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$formal$hyperram.v:302$7_CHECK": {
-          "hide_name": 1,
-          "bits": [ 140 ],
-          "attributes": {
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$formal$hyperram.v:303$8_CHECK": {
-          "hide_name": 1,
-          "bits": [ 141 ],
-          "attributes": {
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$formal$hyperram.v:304$9_CHECK": {
-          "hide_name": 1,
-          "bits": [ 142 ],
-          "attributes": {
-            "src": "hyperram.v:0.0-0.0"
-          }
-        },
-        "$logic_or$hyperram.v:201$35_Y": {
-          "hide_name": 1,
-          "bits": [ 132 ],
-          "attributes": {
-            "src": "hyperram.v:201.8-201.26"
-          }
-        },
-        "$procmux$213_CMP": {
-          "hide_name": 1,
-          "bits": [ 107 ],
-          "attributes": {
-          }
-        },
-        "$procmux$214_CMP": {
-          "hide_name": 1,
-          "bits": [ 108 ],
-          "attributes": {
-          }
-        },
-        "$procmux$217_CMP": {
-          "hide_name": 1,
-          "bits": [ 109 ],
-          "attributes": {
-          }
-        },
-        "$procmux$218_CMP": {
-          "hide_name": 1,
-          "bits": [ 110 ],
-          "attributes": {
-          }
-        },
-        "$procmux$222_CMP": {
-          "hide_name": 1,
-          "bits": [ 111 ],
-          "attributes": {
-          }
-        },
-        "$procmux$223_CMP": {
-          "hide_name": 1,
-          "bits": [ 112 ],
-          "attributes": {
-          }
-        },
-        "$procmux$224_CMP": {
-          "hide_name": 1,
-          "bits": [ 113 ],
-          "attributes": {
-          }
-        },
-        "$procmux$225_CMP": {
-          "hide_name": 1,
-          "bits": [ 114 ],
-          "attributes": {
-          }
-        },
-        "$procmux$226_CMP": {
-          "hide_name": 1,
-          "bits": [ 115 ],
-          "attributes": {
-          }
-        },
-        "address": {
-          "hide_name": 0,
-          "bits": [ "0", "0", "0", "1", "1", "1", "1", "0", "0", "1", "1", "0", "1", "0", "1", "0", "0", "0", "1", "0", "1", "1", "0", "0", "0", "1", "0", "0", "1", "0", "0", "0" ],
-          "attributes": {
-            "src": "hyperram.v:6.15-6.22"
-          }
-        },
-        "ck": {
-          "hide_name": 0,
-          "bits": [ 18 ],
-          "attributes": {
-            "src": "hyperram.v:16.9-16.11"
-          }
-        },
-        "ck_bar": {
-          "hide_name": 0,
-          "bits": [ 19 ],
-          "attributes": {
-            "src": "hyperram.v:17.9-17.15"
-          }
-        },
-        "clk": {
-          "hide_name": 0,
-          "bits": [ 2 ],
-          "attributes": {
-            "src": "hyperram.v:2.8-2.11"
-          }
-        },
-        "command_address": {
-          "hide_name": 0,
-          "bits": [ 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202 ],
-          "attributes": {
-            "src": "hyperram.v:236.13-236.28"
-          }
-        },
-        "control_state": {
-          "hide_name": 0,
-          "bits": [ 34, 35, 36, 37, 38, 39, 40 ],
-          "attributes": {
-            "init": "0000000",
-            "src": "hyperram.v:66.12-66.25"
-          }
-        },
-        "cs_bar": {
-          "hide_name": 0,
-          "bits": [ 9 ],
-          "attributes": {
-            "src": "hyperram.v:18.9-18.15"
-          }
-        },
-        "data_in": {
-          "hide_name": 0,
-          "bits": [ "1", "1", "0", "1", "1", "1", "0", "1", "1", "1", "0", "1", "1", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1" ],
-          "attributes": {
-            "src": "hyperram.v:8.16-8.23"
-          }
-        },
-        "data_in_register": {
-          "hide_name": 0,
-          "bits": [ "1", "1", "0", "1", "1", "1", "0", "1", "1", "1", "0", "1", "1", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1", "0", "1" ],
-          "attributes": {
-            "src": "hyperram.v:70.13-70.29"
-          }
-        },
-        "data_out": {
-          "hide_name": 0,
-          "bits": [ "1", "0", "1", "1", "1", "0", "1", "1", "1", "0", "1", "1", "1", "0", "1", "1", "0", "0", "1", "1", "0", "0", "1", "1", "0", "0", "1", "1", "0", "0", "1", "1" ],
-          "attributes": {
-            "src": "hyperram.v:7.15-7.23"
-          }
-        },
-        "data_out_register": {
-          "hide_name": 0,
-          "bits": [ 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 237 ],
-          "attributes": {
-            "src": "hyperram.v:242.13-242.30"
-          }
-        },
-        "done_counter": {
-          "hide_name": 0,
-          "bits": [ 64, 65, 66, 67, 68, 69, 70, 71 ],
-          "attributes": {
-            "init": "00000000",
-            "src": "hyperram.v:62.12-62.24"
-          }
-        },
-        "done_latency": {
-          "hide_name": 0,
-          "bits": [ 28, 29, 30, 31, 32, 33 ],
-          "attributes": {
-            "src": "hyperram.v:24.14-24.26"
-          }
-        },
-        "dq": {
-          "hide_name": 0,
-          "bits": [ 10, 11, 12, 13, 14, 15, 16, 17 ],
-          "attributes": {
-            "src": "hyperram.v:15.14-15.16"
-          }
-        },
-        "dq_oe": {
-          "hide_name": 0,
-          "bits": [ 311 ],
-          "attributes": {
-            "src": "hyperram.v:47.6-47.11"
-          }
-        },
-        "dq_out": {
-          "hide_name": 0,
-          "bits": [ 312, 313, 314, 315, 316, 317, 318, 319 ],
-          "attributes": {
-            "src": "hyperram.v:46.12-46.18"
-          }
-        },
-        "next_command_address": {
-          "hide_name": 0,
-          "bits": [ "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "1", "1", "1", "1", "0", "0", "1", "1", "0", "1", "0", "1", "0", "0", "0", "1", "0", "1", "1", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "1", "0", 131 ],
-          "attributes": {
-            "src": "hyperram.v:237.13-237.33"
-          }
-        },
-        "next_control_state": {
-          "hide_name": 0,
-          "bits": [ 254, 255, 256, 257, 258, 259, 260 ],
-          "attributes": {
-            "src": "hyperram.v:67.12-67.30"
-          }
-        },
-        "next_data_out_register": {
-          "hide_name": 0,
-          "bits": [ "1", "0", "1", "1", "1", "0", "1", "1", "1", "0", "1", "1", "1", "0", "1", "1", "0", "0", "1", "1", "0", "0", "1", "1", "0", "0", "1", "1", "0", "0", "1", "1" ],
-          "attributes": {
-            "src": "hyperram.v:243.13-243.35"
-          }
-        },
-        "next_done_counter": {
-          "hide_name": 0,
-          "bits": [ 246, 247, 248, 249, 250, 251, 252, 253 ],
-          "attributes": {
-            "src": "hyperram.v:63.12-63.29"
-          }
-        },
-        "next_wait_counter": {
-          "hide_name": 0,
-          "bits": [ 238, 239, 240, 241, 242, 243, 244, 245 ],
-          "attributes": {
-            "src": "hyperram.v:60.12-60.29"
-          }
-        },
-        "next_write_mask_register": {
-          "hide_name": 0,
-          "bits": [ 4, 5, 6, 7 ],
-          "attributes": {
-            "src": "hyperram.v:240.12-240.36"
-          }
-        },
-        "read_count": {
-          "hide_name": 0,
-          "bits": [ 80, 81, 82, 83, 84, 85 ],
-          "attributes": {
-            "init": "000000",
-            "src": "hyperram.v:265.13-265.23"
-          }
-        },
-        "rst": {
-          "hide_name": 0,
-          "bits": [ "0" ],
-          "attributes": {
-            "src": "hyperram.v:3.8-3.11"
-          }
-        },
-        "rwds": {
-          "hide_name": 0,
-          "bits": [ 20 ],
-          "attributes": {
-            "src": "hyperram.v:19.8-19.12"
-          }
-        },
-        "rwds_oe": {
-          "hide_name": 0,
-          "bits": [ 309 ],
-          "attributes": {
-            "src": "hyperram.v:49.6-49.13"
-          }
-        },
-        "rwds_out": {
-          "hide_name": 0,
-          "bits": [ 310 ],
-          "attributes": {
-            "src": "hyperram.v:48.6-48.14"
-          }
-        },
-        "timed_read": {
-          "hide_name": 0,
-          "bits": [ 21 ],
-          "attributes": {
-            "src": "hyperram.v:22.8-22.18"
-          }
-        },
-        "transaction_begin": {
-          "hide_name": 0,
-          "bits": [ 8 ],
-          "attributes": {
-            "src": "hyperram.v:11.8-11.25"
-          }
-        },
-        "transaction_end": {
-          "hide_name": 0,
-          "bits": [ 9 ],
-          "attributes": {
-            "src": "hyperram.v:12.9-12.24"
-          }
-        },
-        "wait_counter": {
-          "hide_name": 0,
-          "bits": [ 48, 49, 50, 51, 52, 53, 54, 55 ],
-          "attributes": {
-            "init": "00000000",
-            "src": "hyperram.v:59.12-59.24"
-          }
-        },
-        "wait_latency": {
-          "hide_name": 0,
-          "bits": [ 22, 23, 24, 25, 26, 27 ],
-          "attributes": {
-            "src": "hyperram.v:23.14-23.26"
-          }
-        },
-        "write_count": {
-          "hide_name": 0,
-          "bits": [ 92, 93, 94, 95, 96, 97 ],
-          "attributes": {
-            "init": "000000",
-            "src": "hyperram.v:266.13-266.24"
-          }
-        },
-        "write_enable": {
-          "hide_name": 0,
-          "bits": [ 3 ],
-          "attributes": {
-            "src": "hyperram.v:9.8-9.20"
-          }
-        },
-        "write_mask": {
-          "hide_name": 0,
-          "bits": [ 4, 5, 6, 7 ],
-          "attributes": {
-            "src": "hyperram.v:10.14-10.24"
-          }
-        },
-        "write_mask_register": {
-          "hide_name": 0,
-          "bits": [ 203, 204, 205, 206 ],
-          "attributes": {
-            "src": "hyperram.v:239.12-239.31"
-          }
-        }
-      }
-    }
-  }
-}
diff --git a/verilog/rtl/unit_test/cover/model/design.log b/verilog/rtl/unit_test/cover/model/design.log
deleted file mode 100644
index d902d1f..0000000
--- a/verilog/rtl/unit_test/cover/model/design.log
+++ /dev/null
@@ -1,453 +0,0 @@
-
- /----------------------------------------------------------------------------\
- |                                                                            |
- |  yosys -- Yosys Open SYnthesis Suite                                       |
- |                                                                            |
- |  Copyright (C) 2012 - 2020  Claire Xenia Wolf <claire@yosyshq.com>         |
- |                                                                            |
- |  Permission to use, copy, modify, and/or distribute this software for any  |
- |  purpose with or without fee is hereby granted, provided that the above    |
- |  copyright notice and this permission notice appear in all copies.         |
- |                                                                            |
- |  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES  |
- |  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF          |
- |  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR   |
- |  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES    |
- |  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN     |
- |  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF   |
- |  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.            |
- |                                                                            |
- \----------------------------------------------------------------------------/
-
- Yosys 0.15+11 (git sha1 cbece4af0, clang 10.0.0-4ubuntu1 -fPIC -Os)
-
-
--- Executing script file `../model/design.ys' --
-
-1. Executing Verilog-2005 frontend: hyperram.v
-Parsing formal SystemVerilog input from `hyperram.v' to AST representation.
-Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:51)
-Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:52)
-Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:96)
-Warning: Yosys has only limited support for tri-state logic at the moment. (hyperram.v:97)
-Storing AST representation for module `$abstract\hyperram'.
-Successfully finished Verilog frontend.
-
-2. Executing PREP pass.
-
-2.1. Executing HIERARCHY pass (managing design hierarchy).
-
-2.2. Executing AST frontend in derive mode using pre-parsed AST for module `\hyperram'.
-Generating RTLIL representation for module `\hyperram'.
-Warning: wire '\transaction_end' is assigned in a block at hyperram.v:98.3-98.22.
-Warning: wire '\transaction_end' is assigned in a block at hyperram.v:106.5-106.24.
-Warning: wire '\rst' is assigned in a block at hyperram.v:281.4-281.11.
-Warning: wire '\address' is assigned in a block at hyperram.v:282.4-282.24.
-Warning: wire '\data_in' is assigned in a block at hyperram.v:287.4-287.24.
-Warning: wire '\data_out' is assigned in a block at hyperram.v:288.4-288.25.
-Warning: wire '\rst' is assigned in a block at hyperram.v:292.4-292.11.
-
-2.2.1. Analyzing design hierarchy..
-Top module:  \hyperram
-
-2.2.2. Analyzing design hierarchy..
-Top module:  \hyperram
-Removing unused module `$abstract\hyperram'.
-Removed 1 unused modules.
-Module hyperram directly or indirectly contains formal properties -> setting "keep" attribute.
-
-2.3. Executing PROC pass (convert processes to netlists).
-
-2.3.1. Executing PROC_CLEAN pass (remove empty switches from decision trees).
-Cleaned up 0 empty switches.
-
-2.3.2. Executing PROC_RMDEAD pass (remove dead branches from decision trees).
-Marked 6 switch rules as full_case in process $proc$hyperram.v:0$22 in module hyperram.
-Marked 1 switch rules as full_case in process $proc$hyperram.v:72$21 in module hyperram.
-Marked 1 switch rules as full_case in process $proc$hyperram.v:32$10 in module hyperram.
-Removed a total of 0 dead cases.
-
-2.3.3. Executing PROC_PRUNE pass (remove redundant assignments in processes).
-Removed 5 redundant assignments.
-Promoted 53 assignments to connections.
-
-2.3.4. Executing PROC_INIT pass (extract init attributes).
-Found init rule in `\hyperram.$proc$hyperram.v:0$97'.
-  Set init value: $formal$hyperram.v:304$9_EN = 1'0
-Found init rule in `\hyperram.$proc$hyperram.v:0$95'.
-  Set init value: $formal$hyperram.v:303$8_EN = 1'0
-Found init rule in `\hyperram.$proc$hyperram.v:0$93'.
-  Set init value: $formal$hyperram.v:302$7_EN = 1'0
-Found init rule in `\hyperram.$proc$hyperram.v:0$91'.
-  Set init value: $formal$hyperram.v:301$6_EN = 1'0
-Found init rule in `\hyperram.$proc$hyperram.v:0$89'.
-  Set init value: $formal$hyperram.v:300$5_EN = 1'0
-Found init rule in `\hyperram.$proc$hyperram.v:0$87'.
-  Set init value: $formal$hyperram.v:299$4_EN = 1'0
-Found init rule in `\hyperram.$proc$hyperram.v:0$85'.
-  Set init value: $formal$hyperram.v:298$3_EN = 1'0
-Found init rule in `\hyperram.$proc$hyperram.v:0$83'.
-  Set init value: $formal$hyperram.v:297$2_EN = 1'0
-Found init rule in `\hyperram.$proc$hyperram.v:0$81'.
-  Set init value: $formal$hyperram.v:296$1_EN = 1'0
-Found init rule in `\hyperram.$proc$hyperram.v:0$80'.
-  Set init value: \wait_counter = 8'00000000
-  Set init value: \done_counter = 8'00000000
-  Set init value: \control_state = 7'0000000
-  Set init value: \read_count = 6'000000
-  Set init value: \write_count = 6'000000
-
-2.3.5. Executing PROC_ARST pass (detect async resets in processes).
-
-2.3.6. Executing PROC_MUX pass (convert decision trees to multiplexers).
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$97'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$95'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$93'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$91'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$89'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$87'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$85'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$83'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$81'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$80'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:295$50'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:268$45'.
-     1/2: $0\write_count[5:0]
-     2/2: $0\read_count[5:0]
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$43'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:245$42'.
-Creating decoders for process `\hyperram.$proc$hyperram.v:0$22'.
-     1/22: $1\next_data_in[31:0] [31:24]
-     2/22: $6\next_control_state[6:0]
-     3/22: $1\next_data_in[31:0] [23:16]
-     4/22: $2\next_done_counter[7:0]
-     5/22: $1\next_data_in[31:0] [15:8]
-     6/22: $2\next_data_in[7:0]
-     7/22: $1\next_data_in[31:0] [7:0]
-     8/22: $5\next_control_state[6:0]
-     9/22: $3\next_control_state[6:0]
-    10/22: $2\next_wait_counter[7:0]
-    11/22: $2\next_control_state[6:0]
-    12/22: $1\next_control_state[6:0]
-    13/22: $1\transaction_end[0:0]
-    14/22: $1\ck_gate[0:0]
-    15/22: $1\cs_bar[0:0]
-    16/22: $4\next_control_state[6:0]
-    17/22: $1\next_done_counter[7:0]
-    18/22: $1\next_wait_counter[7:0]
-    19/22: $1\rwds_oe[0:0]
-    20/22: $1\rwds_out[0:0]
-    21/22: $1\dq_oe[0:0]
-    22/22: $1\dq_out[7:0]
-Creating decoders for process `\hyperram.$proc$hyperram.v:72$21'.
-     1/4: $0\done_counter[7:0]
-     2/4: $0\wait_counter[7:0]
-     3/4: $0\data_in_register[31:0]
-     4/4: $0\control_state[6:0]
-Creating decoders for process `\hyperram.$proc$hyperram.v:32$10'.
-     1/1: $0\ck[0:0]
-
-2.3.7. Executing PROC_DLATCH pass (convert process syncs to latches).
-No latch inferred for signal `\hyperram.\rst' from process `\hyperram.$proc$hyperram.v:0$80'.
-No latch inferred for signal `\hyperram.\address' from process `\hyperram.$proc$hyperram.v:0$80'.
-No latch inferred for signal `\hyperram.\data_out' from process `\hyperram.$proc$hyperram.v:0$80'.
-No latch inferred for signal `\hyperram.\data_in_register' from process `\hyperram.$proc$hyperram.v:0$80'.
-No latch inferred for signal `\hyperram.\next_command_address' from process `\hyperram.$proc$hyperram.v:0$43'.
-No latch inferred for signal `\hyperram.\next_write_mask_register' from process `\hyperram.$proc$hyperram.v:0$43'.
-No latch inferred for signal `\hyperram.\next_data_out_register' from process `\hyperram.$proc$hyperram.v:0$43'.
-No latch inferred for signal `\hyperram.\transaction_end' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\cs_bar' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\ck_gate' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\dq_out' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\dq_oe' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\rwds_out' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\rwds_oe' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\next_wait_counter' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\next_done_counter' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\next_control_state' from process `\hyperram.$proc$hyperram.v:0$22'.
-No latch inferred for signal `\hyperram.\next_data_in' from process `\hyperram.$proc$hyperram.v:0$22'.
-
-2.3.8. Executing PROC_DFF pass (convert process syncs to FFs).
-Creating register for signal `\hyperram.$formal$hyperram.v:296$1_CHECK' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$389' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:296$1_EN' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$390' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:297$2_CHECK' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$391' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:297$2_EN' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$392' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:298$3_CHECK' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$393' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:298$3_EN' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$394' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:299$4_CHECK' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$395' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:299$4_EN' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$396' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:300$5_CHECK' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$397' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:300$5_EN' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$398' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:301$6_CHECK' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$399' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:301$6_EN' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$400' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:302$7_CHECK' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$401' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:302$7_EN' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$402' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:303$8_CHECK' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$403' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:303$8_EN' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$404' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:304$9_CHECK' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$405' with positive edge clock.
-Creating register for signal `\hyperram.$formal$hyperram.v:304$9_EN' using process `\hyperram.$proc$hyperram.v:295$50'.
-  created $dff cell `$procdff$406' with positive edge clock.
-Creating register for signal `\hyperram.\read_count' using process `\hyperram.$proc$hyperram.v:268$45'.
-  created $dff cell `$procdff$407' with positive edge clock.
-Creating register for signal `\hyperram.\write_count' using process `\hyperram.$proc$hyperram.v:268$45'.
-  created $dff cell `$procdff$408' with positive edge clock.
-Creating register for signal `\hyperram.\command_address' using process `\hyperram.$proc$hyperram.v:245$42'.
-  created $dff cell `$procdff$409' with positive edge clock.
-Creating register for signal `\hyperram.\write_mask_register' using process `\hyperram.$proc$hyperram.v:245$42'.
-  created $dff cell `$procdff$410' with positive edge clock.
-Creating register for signal `\hyperram.\data_out_register' using process `\hyperram.$proc$hyperram.v:245$42'.
-  created $dff cell `$procdff$411' with positive edge clock.
-Creating register for signal `\hyperram.\wait_counter' using process `\hyperram.$proc$hyperram.v:72$21'.
-  created $dff cell `$procdff$412' with positive edge clock.
-Creating register for signal `\hyperram.\done_counter' using process `\hyperram.$proc$hyperram.v:72$21'.
-  created $dff cell `$procdff$413' with positive edge clock.
-Creating register for signal `\hyperram.\control_state' using process `\hyperram.$proc$hyperram.v:72$21'.
-  created $dff cell `$procdff$414' with positive edge clock.
-Creating register for signal `\hyperram.\data_in_register' using process `\hyperram.$proc$hyperram.v:72$21'.
-  created $dff cell `$procdff$415' with positive edge clock.
-Creating register for signal `\hyperram.\ck' using process `\hyperram.$proc$hyperram.v:32$10'.
-  created $dff cell `$procdff$416' with positive edge clock.
-
-2.3.9. Executing PROC_MEMWR pass (convert process memory writes to cells).
-
-2.3.10. Executing PROC_CLEAN pass (remove empty switches from decision trees).
-Removing empty process `hyperram.$proc$hyperram.v:0$97'.
-Removing empty process `hyperram.$proc$hyperram.v:0$95'.
-Removing empty process `hyperram.$proc$hyperram.v:0$93'.
-Removing empty process `hyperram.$proc$hyperram.v:0$91'.
-Removing empty process `hyperram.$proc$hyperram.v:0$89'.
-Removing empty process `hyperram.$proc$hyperram.v:0$87'.
-Removing empty process `hyperram.$proc$hyperram.v:0$85'.
-Removing empty process `hyperram.$proc$hyperram.v:0$83'.
-Removing empty process `hyperram.$proc$hyperram.v:0$81'.
-Removing empty process `hyperram.$proc$hyperram.v:0$80'.
-Removing empty process `hyperram.$proc$hyperram.v:295$50'.
-Found and cleaned up 2 empty switches in `\hyperram.$proc$hyperram.v:268$45'.
-Removing empty process `hyperram.$proc$hyperram.v:268$45'.
-Removing empty process `hyperram.$proc$hyperram.v:0$43'.
-Removing empty process `hyperram.$proc$hyperram.v:245$42'.
-Found and cleaned up 6 empty switches in `\hyperram.$proc$hyperram.v:0$22'.
-Removing empty process `hyperram.$proc$hyperram.v:0$22'.
-Found and cleaned up 1 empty switch in `\hyperram.$proc$hyperram.v:72$21'.
-Removing empty process `hyperram.$proc$hyperram.v:72$21'.
-Found and cleaned up 1 empty switch in `\hyperram.$proc$hyperram.v:32$10'.
-Removing empty process `hyperram.$proc$hyperram.v:32$10'.
-Cleaned up 10 empty switches.
-
-2.3.11. Executing OPT_EXPR pass (perform const folding).
-Optimizing module hyperram.
-<suppressed ~14 debug messages>
-
-2.4. Executing OPT_EXPR pass (perform const folding).
-Optimizing module hyperram.
-
-2.5. Executing OPT_CLEAN pass (remove unused cells and wires).
-Finding unused cells or wires in module \hyperram..
-Removed 16 unused cells and 131 unused wires.
-<suppressed ~22 debug messages>
-
-2.6. Executing CHECK pass (checking for obvious problems).
-Checking module hyperram...
-Found and reported 0 problems.
-
-2.7. Executing OPT pass (performing simple optimizations).
-
-2.7.1. Executing OPT_EXPR pass (perform const folding).
-Optimizing module hyperram.
-
-2.7.2. Executing OPT_MERGE pass (detect identical cells).
-Finding identical cells in module `\hyperram'.
-<suppressed ~210 debug messages>
-Removed a total of 70 cells.
-
-2.7.3. Executing OPT_MUXTREE pass (detect dead branches in mux trees).
-Running muxtree optimizer on module \hyperram..
-  Creating internal representation of mux trees.
-  Evaluating internal representation of mux trees.
-  Analyzing evaluation results.
-    dead port 2/2 on $mux $procmux$155.
-    dead port 2/2 on $mux $procmux$170.
-    dead port 2/2 on $mux $procmux$185.
-    dead port 2/2 on $mux $procmux$207.
-    dead port 2/2 on $mux $procmux$299.
-    dead port 2/2 on $mux $procmux$301.
-    dead port 2/2 on $mux $procmux$111.
-    dead port 2/2 on $mux $procmux$122.
-Removed 8 multiplexer ports.
-<suppressed ~12 debug messages>
-
-2.7.4. Executing OPT_REDUCE pass (consolidate $*mux and $reduce_* inputs).
-  Optimizing cells in module \hyperram.
-    New ctrl vector for $pmux cell $procmux$210: { $0$formal$hyperram.v:296$1_CHECK[0:0]$51 $0$formal$hyperram.v:298$3_CHECK[0:0]$55 $eq$hyperram.v:272$48_Y $0$formal$hyperram.v:300$5_CHECK[0:0]$59 $auto$opt_reduce.cc:134:opt_pmux$418 $0$formal$hyperram.v:301$6_CHECK[0:0]$61 }
-    New ctrl vector for $pmux cell $procmux$324: $auto$opt_reduce.cc:134:opt_pmux$420
-    New ctrl vector for $pmux cell $procmux$346: $auto$opt_reduce.cc:134:opt_pmux$422
-  Optimizing cells in module \hyperram.
-Performed a total of 3 changes.
-
-2.7.5. Executing OPT_MERGE pass (detect identical cells).
-Finding identical cells in module `\hyperram'.
-<suppressed ~3 debug messages>
-Removed a total of 1 cells.
-
-2.7.6. Executing OPT_CLEAN pass (remove unused cells and wires).
-Finding unused cells or wires in module \hyperram..
-Removed 0 unused cells and 78 unused wires.
-<suppressed ~1 debug messages>
-
-2.7.7. Executing OPT_EXPR pass (perform const folding).
-Optimizing module hyperram.
-
-2.7.8. Rerunning OPT passes. (Maybe there is more to do..)
-
-2.7.9. Executing OPT_MUXTREE pass (detect dead branches in mux trees).
-Running muxtree optimizer on module \hyperram..
-  Creating internal representation of mux trees.
-  Evaluating internal representation of mux trees.
-  Analyzing evaluation results.
-Removed 0 multiplexer ports.
-<suppressed ~11 debug messages>
-
-2.7.10. Executing OPT_REDUCE pass (consolidate $*mux and $reduce_* inputs).
-  Optimizing cells in module \hyperram.
-Performed a total of 0 changes.
-
-2.7.11. Executing OPT_MERGE pass (detect identical cells).
-Finding identical cells in module `\hyperram'.
-Removed a total of 0 cells.
-
-2.7.12. Executing OPT_CLEAN pass (remove unused cells and wires).
-Finding unused cells or wires in module \hyperram..
-
-2.7.13. Executing OPT_EXPR pass (perform const folding).
-Optimizing module hyperram.
-
-2.7.14. Finished OPT passes. (There is nothing left to do.)
-
-2.8. Executing WREDUCE pass (reducing word size of cells).
-Removed top 24 bits (of 32) from mux cell hyperram.$ternary$hyperram.v:51$16 ($mux).
-Removed top 31 bits (of 32) from mux cell hyperram.$ternary$hyperram.v:52$19 ($mux).
-Removed top 31 bits (of 32) from port B of cell hyperram.$add$hyperram.v:109$23 ($add).
-Removed top 25 bits (of 32) from port Y of cell hyperram.$add$hyperram.v:109$23 ($add).
-Removed top 31 bits (of 32) from port B of cell hyperram.$add$hyperram.v:152$30 ($add).
-Removed top 24 bits (of 32) from port Y of cell hyperram.$add$hyperram.v:152$30 ($add).
-Removed top 5 bits (of 8) from port B of cell hyperram.$eq$hyperram.v:154$31 ($eq).
-Removed top 31 bits (of 32) from port B of cell hyperram.$add$hyperram.v:225$40 ($add).
-Removed top 24 bits (of 32) from port Y of cell hyperram.$add$hyperram.v:225$40 ($add).
-Removed top 5 bits (of 8) from port B of cell hyperram.$eq$hyperram.v:227$41 ($eq).
-Removed top 3 bits (of 7) from port B of cell hyperram.$eq$hyperram.v:269$46 ($eq).
-Removed top 31 bits (of 32) from port B of cell hyperram.$add$hyperram.v:270$47 ($add).
-Removed top 26 bits (of 32) from port Y of cell hyperram.$add$hyperram.v:270$47 ($add).
-Removed top 3 bits (of 7) from port B of cell hyperram.$eq$hyperram.v:272$48 ($eq).
-Removed top 31 bits (of 32) from port B of cell hyperram.$add$hyperram.v:273$49 ($add).
-Removed top 26 bits (of 32) from port Y of cell hyperram.$add$hyperram.v:273$49 ($add).
-Removed top 4 bits (of 7) from port B of cell hyperram.$eq$hyperram.v:297$70 ($eq).
-Removed top 4 bits (of 7) from port B of cell hyperram.$eq$hyperram.v:298$71 ($eq).
-Removed top 3 bits (of 7) from port B of cell hyperram.$eq$hyperram.v:299$72 ($eq).
-Removed top 3 bits (of 7) from port B of cell hyperram.$eq$hyperram.v:300$73 ($eq).
-Removed top 2 bits (of 7) from port B of cell hyperram.$eq$hyperram.v:301$74 ($eq).
-Removed top 4 bits (of 6) from port B of cell hyperram.$eq$hyperram.v:302$75 ($eq).
-Removed top 4 bits (of 6) from port B of cell hyperram.$eq$hyperram.v:303$76 ($eq).
-Removed top 5 bits (of 6) from port B of cell hyperram.$eq$hyperram.v:304$77 ($eq).
-Removed top 5 bits (of 6) from port B of cell hyperram.$eq$hyperram.v:304$78 ($eq).
-Removed top 3 bits (of 7) from port B of cell hyperram.$procmux$213_CMP0 ($eq).
-Removed top 3 bits (of 7) from port B of cell hyperram.$procmux$214_CMP0 ($eq).
-Removed top 3 bits (of 7) from port B of cell hyperram.$procmux$217_CMP0 ($eq).
-Removed top 3 bits (of 7) from port B of cell hyperram.$procmux$218_CMP0 ($eq).
-Removed top 4 bits (of 7) from port B of cell hyperram.$procmux$222_CMP0 ($eq).
-Removed top 4 bits (of 7) from port B of cell hyperram.$procmux$223_CMP0 ($eq).
-Removed top 5 bits (of 7) from port B of cell hyperram.$procmux$224_CMP0 ($eq).
-Removed top 5 bits (of 7) from port B of cell hyperram.$procmux$225_CMP0 ($eq).
-Removed top 6 bits (of 7) from port B of cell hyperram.$procmux$226_CMP0 ($eq).
-Removed top 4 bits (of 7) from mux cell hyperram.$procmux$297 ($mux).
-Removed top 1 bits (of 32) from FF cell hyperram.$procdff$411 ($dff).
-Removed top 4 bits (of 7) from wire hyperram.$4\next_control_state[6:0].
-Removed top 25 bits (of 32) from wire hyperram.$add$hyperram.v:109$23_Y.
-Removed top 24 bits (of 32) from wire hyperram.$add$hyperram.v:152$30_Y.
-Removed top 24 bits (of 32) from wire hyperram.$add$hyperram.v:225$40_Y.
-Removed top 26 bits (of 32) from wire hyperram.$add$hyperram.v:270$47_Y.
-Removed top 26 bits (of 32) from wire hyperram.$add$hyperram.v:273$49_Y.
-
-2.9. Executing OPT_CLEAN pass (remove unused cells and wires).
-Finding unused cells or wires in module \hyperram..
-Removed 0 unused cells and 8 unused wires.
-<suppressed ~1 debug messages>
-
-2.10. Executing MEMORY_COLLECT pass (generating $mem cells).
-
-2.11. Executing OPT pass (performing simple optimizations).
-
-2.11.1. Executing OPT_EXPR pass (perform const folding).
-Optimizing module hyperram.
-
-2.11.2. Executing OPT_MERGE pass (detect identical cells).
-Finding identical cells in module `\hyperram'.
-Removed a total of 0 cells.
-
-2.11.3. Executing OPT_CLEAN pass (remove unused cells and wires).
-Finding unused cells or wires in module \hyperram..
-
-2.11.4. Finished fast OPT passes.
-
-2.12. Printing statistics.
-
-=== hyperram ===
-
-   Number of wires:                 89
-   Number of wire bits:            532
-   Number of public wires:          36
-   Number of public wire bits:     399
-   Number of memories:               0
-   Number of memory bits:            0
-   Number of processes:              0
-   Number of cells:                 83
-     $add                            5
-     $cover                          9
-     $dff                           19
-     $eq                            22
-     $logic_and                      1
-     $logic_not                      3
-     $logic_or                       1
-     $mux                           17
-     $pmux                           3
-     $reduce_or                      3
-
-2.13. Executing CHECK pass (checking for obvious problems).
-Checking module hyperram...
-Found and reported 0 problems.
-
-3. Executing HIERARCHY pass (managing design hierarchy).
-
-3.1. Analyzing design hierarchy..
-Top module:  \hyperram
-
-3.2. Analyzing design hierarchy..
-Top module:  \hyperram
-Removed 0 unused modules.
-Module hyperram directly or indirectly contains formal properties -> setting "keep" attribute.
-
-4. Executing JSON backend.
-
-5. Executing RTLIL backend.
-Output filename: ../model/design.il
-
-Warnings: 11 unique messages, 11 total
-End of script. Logfile hash: 207fb7cd4a, CPU: user 0.11s system 0.00s, MEM: 13.46 MB peak
-Yosys 0.15+11 (git sha1 cbece4af0, clang 10.0.0-4ubuntu1 -fPIC -Os)
-Time spent: 21% 5x opt_clean (0 sec), 17% 6x opt_expr (0 sec), ...
diff --git a/verilog/rtl/unit_test/cover/model/design.ys b/verilog/rtl/unit_test/cover/model/design.ys
deleted file mode 100644
index f3f87df..0000000
--- a/verilog/rtl/unit_test/cover/model/design.ys
+++ /dev/null
@@ -1,7 +0,0 @@
-# running in cover/src/
-read -formal hyperram.v
-prep -top hyperram
-
-hierarchy -simcheck
-write_json ../model/design.json
-write_rtlil ../model/design.il
diff --git a/verilog/rtl/unit_test/cover/model/design_smt2.log b/verilog/rtl/unit_test/cover/model/design_smt2.log
deleted file mode 100644
index ea5300f..0000000
--- a/verilog/rtl/unit_test/cover/model/design_smt2.log
+++ /dev/null
@@ -1,132 +0,0 @@
-
- /----------------------------------------------------------------------------\
- |                                                                            |
- |  yosys -- Yosys Open SYnthesis Suite                                       |
- |                                                                            |
- |  Copyright (C) 2012 - 2020  Claire Xenia Wolf <claire@yosyshq.com>         |
- |                                                                            |
- |  Permission to use, copy, modify, and/or distribute this software for any  |
- |  purpose with or without fee is hereby granted, provided that the above    |
- |  copyright notice and this permission notice appear in all copies.         |
- |                                                                            |
- |  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES  |
- |  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF          |
- |  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR   |
- |  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES    |
- |  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN     |
- |  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF   |
- |  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.            |
- |                                                                            |
- \----------------------------------------------------------------------------/
-
- Yosys 0.15+11 (git sha1 cbece4af0, clang 10.0.0-4ubuntu1 -fPIC -Os)
-
-
--- Executing script file `design_smt2.ys' --
-
-1. Executing RTLIL frontend.
-Input filename: design.il
-
-2. Executing MEMORY_NORDFF pass (extracting $dff cells from memories).
-
-3. Executing ASYNC2SYNC pass.
-
-4. Executing OPT_CLEAN pass (remove unused cells and wires).
-Finding unused cells or wires in module \hyperram..
-
-5. Executing SETUNDEF pass (replace undef values with defined constants).
-
-6. Executing OPT pass (performing simple optimizations).
-
-6.1. Executing OPT_EXPR pass (perform const folding).
-Optimizing module hyperram.
-
-6.2. Executing OPT_MERGE pass (detect identical cells).
-Finding identical cells in module `\hyperram'.
-Removed a total of 0 cells.
-
-6.3. Executing OPT_DFF pass (perform DFF optimizations).
-Adding SRST signal on $procdff$416 ($dff) from module hyperram (D = \ck_bar, Q = \ck, rval = 1'0).
-Adding EN signal on $procdff$414 ($dff) from module hyperram (D = \next_control_state, Q = \control_state).
-Adding EN signal on $procdff$413 ($dff) from module hyperram (D = $2\next_done_counter[7:0], Q = \done_counter).
-Adding SRST signal on $auto$ff.cc:262:slice$451 ($dffe) from module hyperram (D = $add$hyperram.v:225$40_Y, Q = \done_counter, rval = 8'00000000).
-Adding EN signal on $procdff$412 ($dff) from module hyperram (D = $2\next_wait_counter[7:0], Q = \wait_counter).
-Adding SRST signal on $auto$ff.cc:262:slice$453 ($dffe) from module hyperram (D = $add$hyperram.v:152$30_Y, Q = \wait_counter, rval = 8'00000000).
-Adding EN signal on $procdff$408 ($dff) from module hyperram (D = $add$hyperram.v:273$49_Y, Q = \write_count).
-Adding EN signal on $procdff$407 ($dff) from module hyperram (D = $add$hyperram.v:270$47_Y, Q = \read_count).
-
-6.4. Executing OPT_CLEAN pass (remove unused cells and wires).
-Finding unused cells or wires in module \hyperram..
-Removed 7 unused cells and 7 unused wires.
-<suppressed ~10 debug messages>
-
-6.5. Rerunning OPT passes. (Removed registers in this run.)
-
-6.6. Executing OPT_EXPR pass (perform const folding).
-Optimizing module hyperram.
-<suppressed ~1 debug messages>
-
-6.7. Executing OPT_MERGE pass (detect identical cells).
-Finding identical cells in module `\hyperram'.
-Removed a total of 0 cells.
-
-6.8. Executing OPT_DFF pass (perform DFF optimizations).
-
-6.9. Executing OPT_CLEAN pass (remove unused cells and wires).
-Finding unused cells or wires in module \hyperram..
-
-6.10. Finished fast OPT passes.
-
-7. Executing CHECK pass (checking for obvious problems).
-Checking module hyperram...
-Found and reported 0 problems.
-
-8. Executing HIERARCHY pass (managing design hierarchy).
-
-8.1. Analyzing design hierarchy..
-Top module:  \hyperram
-
-8.2. Analyzing design hierarchy..
-Top module:  \hyperram
-Removed 0 unused modules.
-Module hyperram directly or indirectly contains formal properties -> setting "keep" attribute.
-
-9. Executing DFFUNMAP pass (unmap clock enable and synchronous reset from FFs).
-
-10. Printing statistics.
-
-=== hyperram ===
-
-   Number of wires:                100
-   Number of wire bits:            563
-   Number of public wires:          34
-   Number of public wire bits:     383
-   Number of memories:               0
-   Number of memory bits:            0
-   Number of processes:              0
-   Number of cells:                 94
-     $add                            5
-     $anyseq                         4
-     $cover                          9
-     $dff                           19
-     $eq                            22
-     $logic_and                      1
-     $logic_not                      3
-     $logic_or                       1
-     $mux                           18
-     $ne                             4
-     $pmux                           3
-     $reduce_and                     1
-     $reduce_bool                    1
-     $reduce_or                      3
-
-11. Executing SMT2 backend.
-
-11.1. Executing BMUXMAP pass.
-
-11.2. Executing DEMUXMAP pass.
-Creating SMT-LIBv2 representation of module hyperram.
-
-End of script. Logfile hash: e86ecf84c9, CPU: user 0.03s system 0.01s, MEM: 11.30 MB peak
-Yosys 0.15+11 (git sha1 cbece4af0, clang 10.0.0-4ubuntu1 -fPIC -Os)
-Time spent: 27% 3x opt_clean (0 sec), 14% 2x opt_expr (0 sec), ...
diff --git a/verilog/rtl/unit_test/cover/model/design_smt2.smt2 b/verilog/rtl/unit_test/cover/model/design_smt2.smt2
deleted file mode 100644
index 9312282..0000000
--- a/verilog/rtl/unit_test/cover/model/design_smt2.smt2
+++ /dev/null
@@ -1,269 +0,0 @@
-; SMT-LIBv2 description generated by Yosys 0.15+11 (git sha1 cbece4af0, clang 10.0.0-4ubuntu1 -fPIC -Os)
-; yosys-smt2-module hyperram
-(declare-sort |hyperram_s| 0)
-(declare-fun |hyperram_is| (|hyperram_s|) Bool)
-(declare-fun |hyperram#0| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:296$1_CHECK
-; yosys-smt2-register $formal$hyperram.v:296$1_CHECK 1
-(define-fun |hyperram_n $formal$hyperram.v:296$1_CHECK| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#0| state)) #b1))
-(declare-fun |hyperram#1| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:296$1_EN
-; yosys-smt2-register $formal$hyperram.v:296$1_EN 1
-(define-fun |hyperram_n $formal$hyperram.v:296$1_EN| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#1| state)) #b1))
-(declare-fun |hyperram#2| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:297$2_CHECK
-; yosys-smt2-register $formal$hyperram.v:297$2_CHECK 1
-(define-fun |hyperram_n $formal$hyperram.v:297$2_CHECK| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#2| state)) #b1))
-(declare-fun |hyperram#3| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:298$3_CHECK
-; yosys-smt2-register $formal$hyperram.v:298$3_CHECK 1
-(define-fun |hyperram_n $formal$hyperram.v:298$3_CHECK| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#3| state)) #b1))
-(declare-fun |hyperram#4| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:299$4_CHECK
-; yosys-smt2-register $formal$hyperram.v:299$4_CHECK 1
-(define-fun |hyperram_n $formal$hyperram.v:299$4_CHECK| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#4| state)) #b1))
-(declare-fun |hyperram#5| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:300$5_CHECK
-; yosys-smt2-register $formal$hyperram.v:300$5_CHECK 1
-(define-fun |hyperram_n $formal$hyperram.v:300$5_CHECK| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#5| state)) #b1))
-(declare-fun |hyperram#6| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:301$6_CHECK
-; yosys-smt2-register $formal$hyperram.v:301$6_CHECK 1
-(define-fun |hyperram_n $formal$hyperram.v:301$6_CHECK| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#6| state)) #b1))
-(declare-fun |hyperram#7| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:302$7_CHECK
-; yosys-smt2-register $formal$hyperram.v:302$7_CHECK 1
-(define-fun |hyperram_n $formal$hyperram.v:302$7_CHECK| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#7| state)) #b1))
-(declare-fun |hyperram#8| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:303$8_CHECK
-; yosys-smt2-register $formal$hyperram.v:303$8_CHECK 1
-(define-fun |hyperram_n $formal$hyperram.v:303$8_CHECK| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#8| state)) #b1))
-(declare-fun |hyperram#9| (|hyperram_s|) (_ BitVec 1)) ; $formal$hyperram.v:304$9_CHECK
-; yosys-smt2-register $formal$hyperram.v:304$9_CHECK 1
-(define-fun |hyperram_n $formal$hyperram.v:304$9_CHECK| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#9| state)) #b1))
-; yosys-smt2-input address 32
-; yosys-smt2-wire address 32
-(define-fun |hyperram_n address| ((state |hyperram_s|)) (_ BitVec 32) #b00010010001101000101011001111000)
-(declare-fun |hyperram#10| (|hyperram_s|) (_ BitVec 1)) ; \ck
-; yosys-smt2-output ck 1
-; yosys-smt2-register ck 1
-; yosys-smt2-wire ck 1
-(define-fun |hyperram_n ck| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#10| state)) #b1))
-(define-fun |hyperram#11| ((state |hyperram_s|)) Bool (not (or  (= ((_ extract 0 0) (|hyperram#10| state)) #b1) false))) ; \ck_bar
-; yosys-smt2-output ck_bar 1
-; yosys-smt2-wire ck_bar 1
-(define-fun |hyperram_n ck_bar| ((state |hyperram_s|)) Bool (|hyperram#11| state))
-(declare-fun |hyperram#12| (|hyperram_s|) Bool) ; \clk
-; yosys-smt2-input clk 1
-; yosys-smt2-wire clk 1
-; yosys-smt2-clock clk posedge
-(define-fun |hyperram_n clk| ((state |hyperram_s|)) Bool (|hyperram#12| state))
-(declare-fun |hyperram#13| (|hyperram_s|) (_ BitVec 48)) ; \command_address
-; yosys-smt2-register command_address 48
-; yosys-smt2-wire command_address 48
-(define-fun |hyperram_n command_address| ((state |hyperram_s|)) (_ BitVec 48) (|hyperram#13| state))
-(declare-fun |hyperram#14| (|hyperram_s|) (_ BitVec 7)) ; \control_state
-; yosys-smt2-register control_state 7
-; yosys-smt2-wire control_state 7
-(define-fun |hyperram_n control_state| ((state |hyperram_s|)) (_ BitVec 7) (|hyperram#14| state))
-(define-fun |hyperram#15| ((state |hyperram_s|)) Bool (not (or  (= ((_ extract 0 0) (|hyperram#14| state)) #b1) (= ((_ extract 1 1) (|hyperram#14| state)) #b1) (= ((_ extract 2 2) (|hyperram#14| state)) #b1) (= ((_ extract 3 3) (|hyperram#14| state)) #b1) (= ((_ extract 4 4) (|hyperram#14| state)) #b1) (= ((_ extract 5 5) (|hyperram#14| state)) #b1) (= ((_ extract 6 6) (|hyperram#14| state)) #b1)))) ; $0$formal$hyperram.v:296$1_CHECK[0:0]$51
-(define-fun |hyperram#16| ((state |hyperram_s|)) (_ BitVec 1) (ite (|hyperram#15| state) #b1 #b0)) ; \transaction_end
-; yosys-smt2-output cs_bar 1
-; yosys-smt2-wire cs_bar 1
-(define-fun |hyperram_n cs_bar| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#16| state)) #b1))
-; yosys-smt2-output data_in 32
-; yosys-smt2-wire data_in 32
-(define-fun |hyperram_n data_in| ((state |hyperram_s|)) (_ BitVec 32) #b10101010101010101011101110111011)
-; yosys-smt2-wire data_in_register 32
-(define-fun |hyperram_n data_in_register| ((state |hyperram_s|)) (_ BitVec 32) #b10101010101010101011101110111011)
-; yosys-smt2-input data_out 32
-; yosys-smt2-wire data_out 32
-(define-fun |hyperram_n data_out| ((state |hyperram_s|)) (_ BitVec 32) #b11001100110011001101110111011101)
-(declare-fun |hyperram#17| (|hyperram_s|) (_ BitVec 31)) ; \data_out_register [30:0]
-; yosys-smt2-register data_out_register 32
-; yosys-smt2-wire data_out_register 32
-(define-fun |hyperram_n data_out_register| ((state |hyperram_s|)) (_ BitVec 32) (concat ((_ extract 30 30) (|hyperram#17| state)) (|hyperram#17| state)))
-(declare-fun |hyperram#18| (|hyperram_s|) (_ BitVec 8)) ; \done_counter
-; yosys-smt2-register done_counter 8
-; yosys-smt2-wire done_counter 8
-(define-fun |hyperram_n done_counter| ((state |hyperram_s|)) (_ BitVec 8) (|hyperram#18| state))
-(declare-fun |hyperram#19| (|hyperram_s|) (_ BitVec 6)) ; \done_latency
-; yosys-smt2-input done_latency 6
-; yosys-smt2-wire done_latency 6
-(define-fun |hyperram_n done_latency| ((state |hyperram_s|)) (_ BitVec 6) (|hyperram#19| state))
-; yosys-smt2-anyseq hyperram#20 8 $auto$setundef.cc:501:execute$433
-(declare-fun |hyperram#20| (|hyperram_s|) (_ BitVec 8)) ; $auto$rtlil.cc:3133:Anyseq$434
-; yosys-smt2-anyseq hyperram#21 8 $auto$setundef.cc:501:execute$431
-(declare-fun |hyperram#21| (|hyperram_s|) (_ BitVec 8)) ; $auto$rtlil.cc:3133:Anyseq$432
-(define-fun |hyperram#22| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0001011)) ; $eq$hyperram.v:272$48_Y
-(define-fun |hyperram#23| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0001010)) ; $procmux$217_CMP
-(define-fun |hyperram#24| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0001001)) ; $procmux$218_CMP
-(define-fun |hyperram#25| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0001000)) ; $0$formal$hyperram.v:299$4_CHECK[0:0]$57
-(define-fun |hyperram#26| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0000110)) ; $0$formal$hyperram.v:297$2_CHECK[0:0]$53
-(define-fun |hyperram#27| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0000101)) ; $procmux$222_CMP
-(define-fun |hyperram#28| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0000100)) ; $procmux$223_CMP
-(define-fun |hyperram#29| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0000011)) ; $procmux$224_CMP
-(define-fun |hyperram#30| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0000010)) ; $procmux$225_CMP
-(define-fun |hyperram#31| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0000001)) ; $procmux$226_CMP
-(define-fun |hyperram#32| ((state |hyperram_s|)) (_ BitVec 8) (ite (|hyperram#31| state) ((_ extract 47 40) (|hyperram#13| state)) (ite (|hyperram#30| state) ((_ extract 39 32) (|hyperram#13| state)) (ite (|hyperram#29| state) ((_ extract 31 24) (|hyperram#13| state)) (ite (|hyperram#28| state) ((_ extract 23 16) (|hyperram#13| state)) (ite (|hyperram#27| state) ((_ extract 15 8) (|hyperram#13| state)) (ite (|hyperram#26| state) ((_ extract 7 0) (|hyperram#13| state)) (ite (|hyperram#25| state) ((_ extract 7 0) (|hyperram#17| state)) (ite (|hyperram#24| state) ((_ extract 15 8) (|hyperram#17| state)) (ite (|hyperram#23| state) ((_ extract 23 16) (|hyperram#17| state)) (ite (|hyperram#22| state) (concat ((_ extract 30 30) (|hyperram#17| state)) ((_ extract 30 24) (|hyperram#17| state))) (|hyperram#21| state)))))))))))) ; \dq_out
-(define-fun |hyperram#33| ((state |hyperram_s|)) Bool (or  (|hyperram#22| state) (|hyperram#26| state) (|hyperram#25| state) (|hyperram#23| state) (|hyperram#24| state) (|hyperram#27| state) (|hyperram#28| state) (|hyperram#29| state) (|hyperram#30| state) (|hyperram#31| state))) ; $auto$opt_reduce.cc:134:opt_pmux$422
-(define-fun |hyperram#34| ((state |hyperram_s|)) (_ BitVec 1) (ite (|hyperram#33| state) #b1 #b0)) ; \dq_oe
-(define-fun |hyperram#35| ((state |hyperram_s|)) (_ BitVec 8) (ite (= ((_ extract 0 0) (|hyperram#34| state)) #b1) (|hyperram#32| state) (|hyperram#20| state))) ; \dq
-; yosys-smt2-input dq 8
-; yosys-smt2-output dq 8
-; yosys-smt2-wire dq 8
-(define-fun |hyperram_n dq| ((state |hyperram_s|)) (_ BitVec 8) (|hyperram#35| state))
-; yosys-smt2-wire dq_oe 1
-(define-fun |hyperram_n dq_oe| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#34| state)) #b1))
-; yosys-smt2-wire dq_out 8
-(define-fun |hyperram_n dq_out| ((state |hyperram_s|)) (_ BitVec 8) (|hyperram#32| state))
-(declare-fun |hyperram#36| (|hyperram_s|) Bool) ; \write_enable
-(define-fun |hyperram#37| ((state |hyperram_s|)) Bool (not (or  (|hyperram#36| state) false))) ; \next_command_address [47]
-; yosys-smt2-wire next_command_address 48
-(define-fun |hyperram_n next_command_address| ((state |hyperram_s|)) (_ BitVec 48) (concat (ite (|hyperram#37| state) #b1 #b0) #b01000000000011010001010110011110000000000000000))
-(define-fun |hyperram#38| ((state |hyperram_s|)) Bool (= (|hyperram#18| state) #b00000100)) ; $eq$hyperram.v:227$41_Y
-(define-fun |hyperram#39| ((state |hyperram_s|)) (_ BitVec 7) (ite (|hyperram#38| state) #b0000000 #b0000000)) ; $6\next_control_state[6:0]
-(define-fun |hyperram#40| ((state |hyperram_s|)) (_ BitVec 7) (bvadd (|hyperram#14| state) #b0000001)) ; $add$hyperram.v:109$23_Y
-; yosys-smt2-anyseq hyperram#41 1 $auto$setundef.cc:501:execute$435
-(declare-fun |hyperram#41| (|hyperram_s|) (_ BitVec 1)) ; $auto$rtlil.cc:3133:Anyseq$436
-; yosys-smt2-anyseq hyperram#42 1 $auto$setundef.cc:501:execute$429
-(declare-fun |hyperram#42| (|hyperram_s|) (_ BitVec 1)) ; $auto$rtlil.cc:3133:Anyseq$430
-(declare-fun |hyperram#43| (|hyperram_s|) (_ BitVec 4)) ; \write_mask_register
-(define-fun |hyperram#44| ((state |hyperram_s|)) (_ BitVec 1) (ite (|hyperram#25| state) ((_ extract 0 0) (|hyperram#43| state)) (ite (|hyperram#24| state) ((_ extract 1 1) (|hyperram#43| state)) (ite (|hyperram#23| state) ((_ extract 2 2) (|hyperram#43| state)) (ite (|hyperram#22| state) ((_ extract 3 3) (|hyperram#43| state)) (|hyperram#42| state)))))) ; \rwds_out
-(define-fun |hyperram#45| ((state |hyperram_s|)) Bool (or  (|hyperram#22| state) (|hyperram#25| state) (|hyperram#23| state) (|hyperram#24| state))) ; $auto$opt_reduce.cc:134:opt_pmux$420
-(define-fun |hyperram#46| ((state |hyperram_s|)) (_ BitVec 1) (ite (|hyperram#45| state) #b1 #b0)) ; \rwds_oe
-(define-fun |hyperram#47| ((state |hyperram_s|)) (_ BitVec 1) (ite (= ((_ extract 0 0) (|hyperram#46| state)) #b1) (|hyperram#44| state) (|hyperram#41| state))) ; \rwds
-(declare-fun |hyperram#48| (|hyperram_s|) Bool) ; \timed_read
-(define-fun |hyperram#49| ((state |hyperram_s|)) Bool (or  (= ((_ extract 0 0) (|hyperram#47| state)) #b1) false  (|hyperram#48| state) false)) ; $logic_or$hyperram.v:201$35_Y
-(define-fun |hyperram#50| ((state |hyperram_s|)) (_ BitVec 7) (ite (|hyperram#49| state) (|hyperram#40| state) #b0000000)) ; $5\next_control_state[6:0]
-(define-fun |hyperram#51| ((state |hyperram_s|)) (_ BitVec 3) (ite (= ((_ extract 47 47) (|hyperram#13| state)) #b1) #b100 #b000)) ; $4\next_control_state[6:0]
-(declare-fun |hyperram#52| (|hyperram_s|) (_ BitVec 8)) ; \wait_counter
-(define-fun |hyperram#53| ((state |hyperram_s|)) Bool (= (|hyperram#52| state) #b00000100)) ; $eq$hyperram.v:154$31_Y
-(define-fun |hyperram#54| ((state |hyperram_s|)) (_ BitVec 7) (ite (|hyperram#53| state) (concat #b0001 (|hyperram#51| state)) #b0000000)) ; $3\next_control_state[6:0]
-(declare-fun |hyperram#55| (|hyperram_s|) (_ BitVec 1)) ; \transaction_begin
-(define-fun |hyperram#56| ((state |hyperram_s|)) (_ BitVec 7) (ite (= ((_ extract 0 0) (|hyperram#55| state)) #b1) (|hyperram#40| state) #b0000000)) ; $2\next_control_state[6:0]
-(define-fun |hyperram#57| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0010000)) ; $0$formal$hyperram.v:301$6_CHECK[0:0]$61
-(define-fun |hyperram#58| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0001111)) ; $eq$hyperram.v:269$46_Y
-(define-fun |hyperram#59| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0001110)) ; $procmux$213_CMP
-(define-fun |hyperram#60| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0001101)) ; $procmux$214_CMP
-(define-fun |hyperram#61| ((state |hyperram_s|)) Bool (or  (|hyperram#58| state) (|hyperram#26| state) (|hyperram#25| state) (|hyperram#59| state) (|hyperram#60| state) (|hyperram#23| state) (|hyperram#24| state) (|hyperram#27| state) (|hyperram#28| state) (|hyperram#29| state) (|hyperram#30| state) (|hyperram#31| state))) ; $auto$opt_reduce.cc:134:opt_pmux$418
-(define-fun |hyperram#62| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0001100)) ; $0$formal$hyperram.v:300$5_CHECK[0:0]$59
-(define-fun |hyperram#63| ((state |hyperram_s|)) Bool (= (|hyperram#14| state) #b0000111)) ; $0$formal$hyperram.v:298$3_CHECK[0:0]$55
-(define-fun |hyperram#64| ((state |hyperram_s|)) (_ BitVec 7) (ite (|hyperram#15| state) (|hyperram#56| state) (ite (|hyperram#63| state) (|hyperram#54| state) (ite (|hyperram#22| state) #b0010000 (ite (|hyperram#62| state) (|hyperram#50| state) (ite (|hyperram#61| state) (|hyperram#40| state) (ite (|hyperram#57| state) (|hyperram#39| state) #b0000000))))))) ; \next_control_state
-; yosys-smt2-wire next_control_state 7
-(define-fun |hyperram_n next_control_state| ((state |hyperram_s|)) (_ BitVec 7) (|hyperram#64| state))
-; yosys-smt2-wire next_data_out_register 32
-(define-fun |hyperram_n next_data_out_register| ((state |hyperram_s|)) (_ BitVec 32) #b11001100110011001101110111011101)
-(declare-fun |hyperram#65| (|hyperram_s|) (_ BitVec 4)) ; \write_mask
-; yosys-smt2-wire next_write_mask_register 4
-(define-fun |hyperram_n next_write_mask_register| ((state |hyperram_s|)) (_ BitVec 4) (|hyperram#65| state))
-(declare-fun |hyperram#66| (|hyperram_s|) (_ BitVec 6)) ; \read_count
-; yosys-smt2-register read_count 6
-; yosys-smt2-wire read_count 6
-(define-fun |hyperram_n read_count| ((state |hyperram_s|)) (_ BitVec 6) (|hyperram#66| state))
-; yosys-smt2-input rst 1
-; yosys-smt2-wire rst 1
-(define-fun |hyperram_n rst| ((state |hyperram_s|)) Bool false)
-; yosys-smt2-input rwds 1
-; yosys-smt2-output rwds 1
-; yosys-smt2-wire rwds 1
-(define-fun |hyperram_n rwds| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#47| state)) #b1))
-; yosys-smt2-wire rwds_oe 1
-(define-fun |hyperram_n rwds_oe| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#46| state)) #b1))
-; yosys-smt2-wire rwds_out 1
-(define-fun |hyperram_n rwds_out| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#44| state)) #b1))
-; yosys-smt2-input timed_read 1
-; yosys-smt2-wire timed_read 1
-(define-fun |hyperram_n timed_read| ((state |hyperram_s|)) Bool (|hyperram#48| state))
-; yosys-smt2-input transaction_begin 1
-; yosys-smt2-wire transaction_begin 1
-(define-fun |hyperram_n transaction_begin| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#55| state)) #b1))
-; yosys-smt2-output transaction_end 1
-; yosys-smt2-wire transaction_end 1
-(define-fun |hyperram_n transaction_end| ((state |hyperram_s|)) Bool (= ((_ extract 0 0) (|hyperram#16| state)) #b1))
-; yosys-smt2-register wait_counter 8
-; yosys-smt2-wire wait_counter 8
-(define-fun |hyperram_n wait_counter| ((state |hyperram_s|)) (_ BitVec 8) (|hyperram#52| state))
-(declare-fun |hyperram#67| (|hyperram_s|) (_ BitVec 6)) ; \wait_latency
-; yosys-smt2-input wait_latency 6
-; yosys-smt2-wire wait_latency 6
-(define-fun |hyperram_n wait_latency| ((state |hyperram_s|)) (_ BitVec 6) (|hyperram#67| state))
-(declare-fun |hyperram#68| (|hyperram_s|) (_ BitVec 6)) ; \write_count
-; yosys-smt2-register write_count 6
-; yosys-smt2-wire write_count 6
-(define-fun |hyperram_n write_count| ((state |hyperram_s|)) (_ BitVec 6) (|hyperram#68| state))
-; yosys-smt2-input write_enable 1
-; yosys-smt2-wire write_enable 1
-(define-fun |hyperram_n write_enable| ((state |hyperram_s|)) Bool (|hyperram#36| state))
-; yosys-smt2-input write_mask 4
-; yosys-smt2-wire write_mask 4
-(define-fun |hyperram_n write_mask| ((state |hyperram_s|)) (_ BitVec 4) (|hyperram#65| state))
-; yosys-smt2-register write_mask_register 4
-; yosys-smt2-wire write_mask_register 4
-(define-fun |hyperram_n write_mask_register| ((state |hyperram_s|)) (_ BitVec 4) (|hyperram#43| state))
-; yosys-smt2-cover 0 cover_ca
-(define-fun |hyperram_c 0| ((state |hyperram_s|)) Bool (and (= ((_ extract 0 0) (|hyperram#2| state)) #b1) (= ((_ extract 0 0) (|hyperram#1| state)) #b1))) ; cover_ca
-; yosys-smt2-cover 1 cover_done
-(define-fun |hyperram_c 1| ((state |hyperram_s|)) Bool (and (= ((_ extract 0 0) (|hyperram#6| state)) #b1) (= ((_ extract 0 0) (|hyperram#1| state)) #b1))) ; cover_done
-; yosys-smt2-cover 2 cover_idle
-(define-fun |hyperram_c 2| ((state |hyperram_s|)) Bool (and (= ((_ extract 0 0) (|hyperram#0| state)) #b1) (= ((_ extract 0 0) (|hyperram#1| state)) #b1))) ; cover_idle
-; yosys-smt2-cover 3 cover_read
-(define-fun |hyperram_c 3| ((state |hyperram_s|)) Bool (and (= ((_ extract 0 0) (|hyperram#5| state)) #b1) (= ((_ extract 0 0) (|hyperram#1| state)) #b1))) ; cover_read
-; yosys-smt2-cover 4 cover_read_2
-(define-fun |hyperram_c 4| ((state |hyperram_s|)) Bool (and (= ((_ extract 0 0) (|hyperram#8| state)) #b1) (= ((_ extract 0 0) (|hyperram#1| state)) #b1))) ; cover_read_2
-; yosys-smt2-cover 5 cover_wait
-(define-fun |hyperram_c 5| ((state |hyperram_s|)) Bool (and (= ((_ extract 0 0) (|hyperram#3| state)) #b1) (= ((_ extract 0 0) (|hyperram#1| state)) #b1))) ; cover_wait
-; yosys-smt2-cover 6 cover_write
-(define-fun |hyperram_c 6| ((state |hyperram_s|)) Bool (and (= ((_ extract 0 0) (|hyperram#4| state)) #b1) (= ((_ extract 0 0) (|hyperram#1| state)) #b1))) ; cover_write
-; yosys-smt2-cover 7 cover_write_2
-(define-fun |hyperram_c 7| ((state |hyperram_s|)) Bool (and (= ((_ extract 0 0) (|hyperram#7| state)) #b1) (= ((_ extract 0 0) (|hyperram#1| state)) #b1))) ; cover_write_2
-; yosys-smt2-cover 8 cover_write_read
-(define-fun |hyperram_c 8| ((state |hyperram_s|)) Bool (and (= ((_ extract 0 0) (|hyperram#9| state)) #b1) (= ((_ extract 0 0) (|hyperram#1| state)) #b1))) ; cover_write_read
-(define-fun |hyperram#69| ((state |hyperram_s|)) (_ BitVec 6) (bvadd (|hyperram#68| state) #b000001)) ; $add$hyperram.v:273$49_Y
-(define-fun |hyperram#70| ((state |hyperram_s|)) (_ BitVec 6) (ite (|hyperram#22| state) (|hyperram#69| state) (|hyperram#68| state))) ; $auto$rtlil.cc:2459:Mux$470
-(define-fun |hyperram#71| ((state |hyperram_s|)) (_ BitVec 6) (bvadd (|hyperram#66| state) #b000001)) ; $add$hyperram.v:270$47_Y
-(define-fun |hyperram#72| ((state |hyperram_s|)) (_ BitVec 6) (ite (|hyperram#58| state) (|hyperram#71| state) (|hyperram#66| state))) ; $auto$rtlil.cc:2459:Mux$472
-(define-fun |hyperram#73| ((state |hyperram_s|)) (_ BitVec 8) (bvadd (|hyperram#52| state) #b00000001)) ; $add$hyperram.v:152$30_Y
-(define-fun |hyperram#74| ((state |hyperram_s|)) (_ BitVec 8) (ite (|hyperram#53| state) #b00000000 (|hyperram#73| state))) ; $auto$rtlil.cc:2459:Mux$466
-(define-fun |hyperram#75| ((state |hyperram_s|)) (_ BitVec 8) (ite (|hyperram#63| state) (|hyperram#74| state) (|hyperram#52| state))) ; $auto$rtlil.cc:2459:Mux$468
-(define-fun |hyperram#76| ((state |hyperram_s|)) (_ BitVec 8) (bvadd (|hyperram#18| state) #b00000001)) ; $add$hyperram.v:225$40_Y
-(define-fun |hyperram#77| ((state |hyperram_s|)) (_ BitVec 8) (ite (|hyperram#38| state) #b00000000 (|hyperram#76| state))) ; $auto$rtlil.cc:2459:Mux$462
-(define-fun |hyperram#78| ((state |hyperram_s|)) (_ BitVec 8) (ite (|hyperram#57| state) (|hyperram#77| state) (|hyperram#18| state))) ; $auto$rtlil.cc:2459:Mux$464
-(define-fun |hyperram#79| ((state |hyperram_s|)) Bool (or  (|hyperram#15| state) (|hyperram#63| state) (|hyperram#62| state) (|hyperram#57| state) (|hyperram#61| state) (|hyperram#22| state))) ; $auto$opt_dff.cc:194:make_patterns_logic$439
-(define-fun |hyperram#80| ((state |hyperram_s|)) Bool (distinct (concat (|hyperram#55| state) (ite (|hyperram#15| state) #b1 #b0)) #b01)) ; $auto$opt_dff.cc:194:make_patterns_logic$441
-(define-fun |hyperram#81| ((state |hyperram_s|)) Bool (distinct (concat (ite (|hyperram#53| state) #b1 #b0) (ite (|hyperram#63| state) #b1 #b0)) #b01)) ; $auto$opt_dff.cc:194:make_patterns_logic$443
-(define-fun |hyperram#82| ((state |hyperram_s|)) Bool (distinct (concat (ite (|hyperram#49| state) #b1 #b0) (ite (|hyperram#62| state) #b1 #b0)) #b01)) ; $auto$opt_dff.cc:194:make_patterns_logic$445
-(define-fun |hyperram#83| ((state |hyperram_s|)) Bool (distinct (concat (ite (|hyperram#38| state) #b1 #b0) (ite (|hyperram#57| state) #b1 #b0)) #b01)) ; $auto$opt_dff.cc:194:make_patterns_logic$447
-(define-fun |hyperram#84| ((state |hyperram_s|)) Bool (and  (|hyperram#79| state) (|hyperram#80| state) (|hyperram#81| state) (|hyperram#82| state) (|hyperram#83| state))) ; $auto$opt_dff.cc:219:make_patterns_logic$449
-(define-fun |hyperram#85| ((state |hyperram_s|)) (_ BitVec 7) (ite (|hyperram#84| state) (|hyperram#64| state) (|hyperram#14| state))) ; $auto$rtlil.cc:2459:Mux$460
-(define-fun |hyperram#86| ((state |hyperram_s|)) (_ BitVec 1) (ite (|hyperram#15| state) #b0 (ite (|hyperram#11| state) #b1 #b0))) ; $auto$rtlil.cc:2459:Mux$458
-(define-fun |hyperram#87| ((state |hyperram_s|)) Bool (= (|hyperram#66| state) #b000001)) ; $eq$hyperram.v:304$77_Y
-(define-fun |hyperram#88| ((state |hyperram_s|)) Bool (= (|hyperram#68| state) #b000001)) ; $eq$hyperram.v:304$78_Y
-(define-fun |hyperram#89| ((state |hyperram_s|)) Bool (and (or  (|hyperram#87| state) false) (or  (|hyperram#88| state) false))) ; $0$formal$hyperram.v:304$9_CHECK[0:0]$67
-(define-fun |hyperram#90| ((state |hyperram_s|)) Bool (= (|hyperram#66| state) #b000010)) ; $0$formal$hyperram.v:303$8_CHECK[0:0]$65
-(define-fun |hyperram#91| ((state |hyperram_s|)) Bool (= (|hyperram#68| state) #b000010)) ; $0$formal$hyperram.v:302$7_CHECK[0:0]$63
-(define-fun |hyperram_a| ((state |hyperram_s|)) Bool true)
-(define-fun |hyperram_u| ((state |hyperram_s|)) Bool true)
-(define-fun |hyperram_i| ((state |hyperram_s|)) Bool (and
-  (= (= ((_ extract 0 0) (|hyperram#1| state)) #b1) false) ; $formal$hyperram.v:296$1_EN
-  (= (|hyperram#14| state) #b0000000) ; control_state
-  (= (|hyperram#18| state) #b00000000) ; done_counter
-  (= (|hyperram#66| state) #b000000) ; read_count
-  (= (|hyperram#52| state) #b00000000) ; wait_counter
-  (= (|hyperram#68| state) #b000000) ; write_count
-))
-(define-fun |hyperram_h| ((state |hyperram_s|)) Bool true)
-(define-fun |hyperram_t| ((state |hyperram_s|) (next_state |hyperram_s|)) Bool (and
-  (= (|hyperram#70| state) (|hyperram#68| next_state)) ; $auto$ff.cc:262:slice$455 \write_count
-  (= (|hyperram#72| state) (|hyperram#66| next_state)) ; $auto$ff.cc:262:slice$456 \read_count
-  (= (|hyperram#75| state) (|hyperram#52| next_state)) ; $auto$ff.cc:262:slice$454 \wait_counter
-  (= (|hyperram#65| state) (|hyperram#43| next_state)) ; $procdff$410 \write_mask_register
-  (= (|hyperram#78| state) (|hyperram#18| next_state)) ; $auto$ff.cc:262:slice$452 \done_counter
-  (= #b1001100110011001101110111011101 (|hyperram#17| next_state)) ; $procdff$411 \data_out_register [30:0]
-  (= (|hyperram#85| state) (|hyperram#14| next_state)) ; $auto$ff.cc:262:slice$438 \control_state
-  (= (concat (ite (|hyperram#37| state) #b1 #b0) #b01000000000011010001010110011110000000000000000) (|hyperram#13| next_state)) ; $procdff$409 \command_address
-  (= (|hyperram#86| state) (|hyperram#10| next_state)) ; $auto$ff.cc:262:slice$437 \ck
-  (= (ite (|hyperram#89| state) #b1 #b0) (|hyperram#9| next_state)) ; $procdff$405 $formal$hyperram.v:304$9_CHECK
-  (= (ite (|hyperram#90| state) #b1 #b0) (|hyperram#8| next_state)) ; $procdff$403 $formal$hyperram.v:303$8_CHECK
-  (= (ite (|hyperram#91| state) #b1 #b0) (|hyperram#7| next_state)) ; $procdff$401 $formal$hyperram.v:302$7_CHECK
-  (= (ite (|hyperram#57| state) #b1 #b0) (|hyperram#6| next_state)) ; $procdff$399 $formal$hyperram.v:301$6_CHECK
-  (= (ite (|hyperram#62| state) #b1 #b0) (|hyperram#5| next_state)) ; $procdff$397 $formal$hyperram.v:300$5_CHECK
-  (= (ite (|hyperram#25| state) #b1 #b0) (|hyperram#4| next_state)) ; $procdff$395 $formal$hyperram.v:299$4_CHECK
-  (= (ite (|hyperram#63| state) #b1 #b0) (|hyperram#3| next_state)) ; $procdff$393 $formal$hyperram.v:298$3_CHECK
-  (= (ite (|hyperram#26| state) #b1 #b0) (|hyperram#2| next_state)) ; $procdff$391 $formal$hyperram.v:297$2_CHECK
-  (= #b1 (|hyperram#1| next_state)) ; $procdff$390 $formal$hyperram.v:296$1_EN
-  (= (ite (|hyperram#15| state) #b1 #b0) (|hyperram#0| next_state)) ; $procdff$389 $formal$hyperram.v:296$1_CHECK
-)) ; end of module hyperram
-; yosys-smt2-topmod hyperram
-; end of yosys output
diff --git a/verilog/rtl/unit_test/cover/model/design_smt2.ys b/verilog/rtl/unit_test/cover/model/design_smt2.ys
deleted file mode 100644
index d37d6a8..0000000
--- a/verilog/rtl/unit_test/cover/model/design_smt2.ys
+++ /dev/null
@@ -1,14 +0,0 @@
-# running in cover/model/
-read_ilang design.il
-memory_nordff
-async2sync
-chformal -assume -early
-chformal -live -fair -remove
-opt_clean
-setundef -anyseq
-opt -keepdc -fast
-check
-hierarchy -simcheck
-dffunmap
-stat
-write_smt2 -wires design_smt2.smt2
diff --git a/verilog/rtl/unit_test/cover/src/hyperram.v b/verilog/rtl/unit_test/cover/src/hyperram.v
deleted file mode 100644
index ac4e915..0000000
--- a/verilog/rtl/unit_test/cover/src/hyperram.v
+++ /dev/null
@@ -1,308 +0,0 @@
-module hyperram(
-	input clk,
-	input rst,
-
-	// CPU Interface
-	input [31:0] address,
-	input [31:0] data_out,
-	output [31:0] data_in,
-	input write_enable,
-	input [3:0] write_mask,
-	input transaction_begin,
-	output transaction_end,
-
-	// Hyperram Interface
-	inout [7:0] dq,
-	output ck,
-	output ck_bar,
-	output cs_bar,
-	inout rwds,
-
-	// Config
-	input timed_read,
-	input [5:0] wait_latency,
-	input [5:0] done_latency,
-);
-	localparam WAIT_LATENCY = 4;
-	localparam DONE_LATENCY = 4;
-
-	reg ck_gate;
-	reg ck;
-
-	always_ff @(posedge clk) begin
-		if(!ck_gate) begin
-			ck <= 0;
-		end
-		else begin
-			ck <= !ck;
-		end	
-	end
-
-	assign ck_bar = !ck;
-
-
-	reg cs_bar;
-
-	reg [7:0] dq_out;
-	reg dq_oe;
-	reg rwds_out;
-	reg rwds_oe;
-
-	assign dq = !dq_oe ? 'hz : dq_out;
-	assign rwds = !rwds_oe ? 'hz : rwds_out;
-
-	wire write_enable_register;
-	assign write_enable_register = !command_address[47];
-
-	assign data_in = data_in_register;
-
-	reg [7:0] wait_counter;
-	reg [7:0] next_wait_counter;
-
-	reg [7:0] done_counter;
-	reg [7:0] next_done_counter;
-
-	// FSM
-	reg [6:0] control_state;
-	reg [6:0] next_control_state;
-
-	reg [31:0] next_data_in;
-	reg [31:0] data_in_register;
-
-	always_ff @(posedge clk) begin
-		if(rst) begin
-			control_state <= 0;
-			data_in_register <= 0;
-			wait_counter <= 0;
-			done_counter <= 0;
-		end
-		else begin
-			control_state <= next_control_state;
-			data_in_register <= next_data_in;
-			wait_counter <= next_wait_counter;
-			done_counter <= next_done_counter;
-		end
-	end
-
-	always_comb begin
-		next_control_state = control_state;
-		cs_bar = 0;
-		ck_gate = 1;
-		dq_oe = 0;
-		rwds_oe = 0;
-		next_data_in = data_in_register;
-		next_wait_counter = wait_counter;
-		next_done_counter = done_counter;
-		dq_out = 'hzz;
-		rwds_out = 'hz;
-		transaction_end = 0;
-
-
-		case(control_state)
-			// IDLE state
-			'h0 : begin
-				cs_bar = 1;
-				ck_gate = 0;
-				transaction_end = 1;
-
-				if(transaction_begin) begin
-					next_control_state = control_state + 1;
-				end
-			end
-
-			// CA0 state
-			'h1 : begin 
-				next_control_state = control_state + 1;
-				dq_out = command_address[47:40];
-				dq_oe = 1;
-			end
-			// CA1 state
-			'h2 : begin 
-				next_control_state = control_state + 1;
-				dq_out = command_address[39:32];
-				dq_oe = 1;
-			end
-			// CA2 state
-			'h3 : begin 
-				next_control_state = control_state + 1;
-				dq_out = command_address[31:24];				
-				dq_oe = 1;
-			end
-			// CA3 state
-			'h4 : begin 
-				next_control_state = control_state + 1;
-				dq_out = command_address[23:16];
-				dq_oe = 1;
-			end
-			// CA4 state
-			'h5 : begin 
-				next_control_state = control_state + 1;
-				dq_out = command_address[15:8];
-				dq_oe = 1;
-			end
-			// CA5 state
-			'h6 : begin 
-				next_control_state = control_state + 1;
-				dq_out = command_address[7:0];
-				dq_oe = 1;
-			end
-
-			// WAIT state
-			'h7 : begin
-				next_wait_counter = wait_counter + 1;
-
-				if(wait_counter == WAIT_LATENCY) begin
-					next_wait_counter = 0;
-					if(write_enable_register) begin
-						next_control_state = 'h8; 
-					end
-					else begin
-						next_control_state = 'hc;
-					end
-				end
-			end
-
-			// WRITE0 state
-			'h8 : begin 
-				next_control_state = control_state + 1;
-				rwds_out = write_mask_register[0];
-				rwds_oe = 1;
-				dq_out = data_out_register[7:0];
-				dq_oe = 1;
-			end
-			// WRITE1 state
-			'h9 : begin 
-				next_control_state = control_state + 1;
-				rwds_out = write_mask_register[1];
-				rwds_oe = 1;
-				dq_out = data_out_register[15:8];
-				dq_oe = 1;
-			end
-			// WRITE2 state
-			'ha : begin 
-				next_control_state = control_state + 1;
-				rwds_out = write_mask_register[2];
-				rwds_oe = 1;
-				dq_out = data_out_register[23:16];
-				dq_oe = 1;
-			end
-			// WRITE3 state
-			'hb : begin 
-				next_control_state = 'h10;
-				rwds_out = write_mask_register[3];
-				rwds_oe = 1;
-				dq_out = data_out_register[31:24];
-				dq_oe = 1;
-			end
-
-
-			// READ0 state - wait for rwds strobe
-			'hc : begin 
-				if(rwds || timed_read) begin
-					next_data_in[7:0] = dq;
-					next_control_state = control_state + 1;
-				end
-			end
-			// READ1 state
-			'hd : begin 
-				next_data_in[15:8] = dq;
-				next_control_state = control_state + 1;
-			end
-			// READ2 state
-			'he : begin 
-				next_data_in[23:16] = dq;
-				next_control_state = control_state + 1;
-			end
-			// READ3 state
-			'hf : begin 
-				next_data_in[31:24] = dq;
-				next_control_state = control_state + 1;
-			end
-
-
-			// DONE state
-			'h10 : begin
-				next_done_counter = done_counter + 1;
-
-				if(done_counter == DONE_LATENCY) begin
-					next_control_state = 0; 
-					next_done_counter = 0;
-				end
-			end
-		endcase
-	end
-
-
-	reg [47:0] command_address;
-	reg [47:0] next_command_address;
-
-	reg [3:0] write_mask_register;
-	reg [3:0] next_write_mask_register;
-
-	reg [31:0] data_out_register;
-	reg [31:0] next_data_out_register;
-
-	always_ff @(posedge transaction_begin) begin
-		command_address <= next_command_address;
-		write_mask_register <= next_write_mask_register;
-		data_out_register <= next_data_out_register;
-	end
-
-	always_comb begin
-		next_command_address = {
-			!write_enable, 1'h0, 1'h1, 9'h000,
-			address[22:9], address[8:3], 13'h0000, address[2:0]
-		};
-
-		next_write_mask_register = write_mask;
-		next_data_out_register = data_out;
-	end
-
-
-
-
-	`ifdef FORMAL
-		reg [5:0] read_count;
-		reg [5:0] write_count;
-		
-		always_ff @(posedge clk) begin
-			if(control_state == 'h0f) begin
-				read_count <= read_count + 1;
-			end
-			if(control_state == 'h0b) begin
-				write_count <= write_count + 1;
-			end
-		end
-
-		initial begin
-			control_state = 'h0;
-			read_count = 0;
-			write_count = 0;
-			rst = 1;
-			address = 'h12345678;
-
-			wait_counter = 0;
-			done_counter = 0;
-
-			data_in = 'haaaabbbb;
-			data_out = 'hccccdddd;
-
-			#10;
-
-			rst = 0;
-		end
-
-		always @(posedge clk) begin
-			cover_idle: cover (control_state == 0);
-			cover_ca: cover (control_state == 6);
-			cover_wait: cover (control_state == 7);
-			cover_write: cover (control_state == 8);
-			cover_read: cover (control_state == 'hc);
-			cover_done: cover (control_state == 'h10);
-			cover_write_2: cover (write_count == 'h2);
-			cover_read_2: cover (read_count == 'h2);
-			cover_write_read: cover (read_count == 1 && write_count == 1);
-		end
-
-	`endif
-endmodule
diff --git a/verilog/rtl/unit_test/cover/status b/verilog/rtl/unit_test/cover/status
deleted file mode 100644
index 57a85a0..0000000
--- a/verilog/rtl/unit_test/cover/status
+++ /dev/null
@@ -1 +0,0 @@
-PASS 0 5