OpenROAD 7f00621cb612fd94e15b35790afe744c89d433a7 
This program is licensed under the BSD-3 license. See the LICENSE file for details.
Components of this program may be licensed under more restrictive licenses which must be honored.
[INFO ODB-0222] Reading LEF file: /home/piotro/caravel_user_project/openlane/core/runs/22_12_26_19_24/tmp/merged.max.lef
[WARNING ODB-0220] WARNING (LEFPARS-2036): SOURCE statement is obsolete in version 5.6 and later.
The LEF parser will ignore this statement.
To avoid this warning in the future, remove this statement from the LEF file with version 5.6 or later. See file /home/piotro/caravel_user_project/openlane/core/runs/22_12_26_19_24/tmp/merged.max.lef at line 930.

[INFO ODB-0223]     Created 13 technology layers
[INFO ODB-0224]     Created 25 technology vias
[INFO ODB-0225]     Created 441 library cells
[INFO ODB-0226] Finished LEF file:  /home/piotro/caravel_user_project/openlane/core/runs/22_12_26_19_24/tmp/merged.max.lef
[INFO ODB-0127] Reading DEF file: /home/piotro/caravel_user_project/openlane/core/runs/22_12_26_19_24/results/routing/core.def
[INFO ODB-0128] Design: core
[INFO ODB-0130]     Created 254 pins.
[INFO ODB-0131]     Created 35762 components and 158326 component-terminals.
[INFO ODB-0132]     Created 2 special nets and 136500 connections.
[INFO ODB-0133]     Created 4896 nets and 21825 connections.
[INFO ODB-0134] Finished DEF file: /home/piotro/caravel_user_project/openlane/core/runs/22_12_26_19_24/results/routing/core.def
Using RCX ruleset '/home/piotro/opt/silicon/pdks/sky130A/libs.tech/openlane/rules.openrcx.sky130A.max.calibre'...
[INFO RCX-0431] Defined process_corner X with ext_model_index 0
[INFO RCX-0029] Defined extraction corner X
[INFO RCX-0008] extracting parasitics of core ...
[INFO RCX-0435] Reading extraction model file /home/piotro/opt/silicon/pdks/sky130A/libs.tech/openlane/rules.openrcx.sky130A.max.calibre ...
[INFO RCX-0436] RC segment generation core (max_merge_res 50.0) ...
[INFO RCX-0040] Final 38496 rc segments
[INFO RCX-0439] Coupling Cap extraction core ...
[INFO RCX-0440] Coupling threshhold is 0.1000 fF, coupling capacitance less than 0.1000 fF will be grounded.
[INFO RCX-0043] 49665 wires to be extracted
[INFO RCX-0442] 52% completion -- 26203 wires have been extracted
[INFO RCX-0442] 100% completion -- 49665 wires have been extracted
[INFO RCX-0045] Extract 4896 nets, 43392 rsegs, 43392 caps, 62606 ccs
[INFO RCX-0015] Finished extracting core.
Writing result to /home/piotro/caravel_user_project/openlane/core/runs/22_12_26_19_24/results/routing/mca/process_corner_max/core.spef...
Setting global connections for newly added cells...
[WARNING] Did not save OpenROAD database!
Writing extracted parasitics to /home/piotro/caravel_user_project/openlane/core/runs/22_12_26_19_24/results/routing/mca/process_corner_max/core.spef...
[INFO RCX-0016] Writing SPEF ...
[INFO RCX-0443] 4896 nets finished
[INFO RCX-0017] Finished writing SPEF ...