OpenROAD 0.9.0 d03ebfc244
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.
Error: cannot open '/.openroad'.
Warning: /home/xrex/usr/devel/pdks/sky130A/libs.ref/sky130_fd_sc_hvl/lib/sky130_fd_sc_hvl__tt_025C_3v30.lib, line 35 default_operating_condition tt_025C_3v30 not found.
Warning: /home/xrex/usr/devel/pdks/sky130A/libs.ref/sky130_fd_sc_hvl/lib/sky130_fd_sc_hvl__tt_025C_3v30_lv1v80.lib, line 31 default_operating_condition tt_025C_3v30_lv1v80 not found.
Notice 0: Reading LEF file:  /project/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/runs/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/tmp/merged_unpadded.lef
Notice 0:     Created 13 technology layers
Notice 0:     Created 25 technology vias
Notice 0:     Created 69 library cells
Notice 0: Finished LEF file:  /project/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/runs/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/tmp/merged_unpadded.lef
Notice 0: 
Reading DEF file: /project/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/runs/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/tmp/routing/fastroute.def
Notice 0: Design: sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped
Notice 0:     Created 4 pins.
Notice 0:     Created 1 components and 7 component-terminals.
Notice 0:     Created 2 special nets and 5 connections.
Notice 0:     Created 2 nets and 2 connections.
Notice 0: Finished DEF file: /project/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/runs/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/tmp/routing/fastroute.def
[PARAMS] Min routing layer: 2
[PARAMS] Max routing layer: 6
[PARAMS] Global adjustment: 0
[PARAMS] Unidirectional routing: 1
[PARAMS] Grid origin: (-1, -1)
[INFO] #DB Obstructions: 0
[INFO] #DB Obstacles: 94
[INFO] #DB Macros: 0
[WARNING] Net VPWR has wires outside die area
[WARNING] Net VPWR has wires outside die area
[WARNING] Net VPWR has wires outside die area
[WARNING] Net VPWR has wires outside die area
[WARNING] Net VGND has wires outside die area
[WARNING] Net VGND has wires outside die area
[INFO] Found 0 clock nets
[INFO] Minimum degree: 2
[INFO] Maximum degree: 2
[INFO] Processing 39 obstacles on layer 1
[INFO] Processing 12 obstacles on layer 2
[INFO] Processing 5 obstacles on layer 5
[INFO] Processing 5 obstacles on layer 6
[INFO] Reducing resources of layer 1 by 99%
[INFO] WIRELEN : 4, WIRELEN1 : 0
[INFO] NumSeg  : 2
[INFO] NumShift: 0
First L Route
[INFO] WIRELEN : 4, WIRELEN1 : 4
[INFO] NumSeg  : 2
[INFO] NumShift: 0
[Overflow Report] Total hCap    : 146
[Overflow Report] Total vCap    : 138
[Overflow Report] Total Usage   : 4
[Overflow Report] Max H Overflow: 0
[Overflow Report] Max V Overflow: 0
[Overflow Report] Max Overflow  : 0
[Overflow Report] Num Overflow e: 0
[Overflow Report] H   Overflow  : 0
[Overflow Report] V   Overflow  : 0
[Overflow Report] Final Overflow: 0

Second L Route
[Overflow Report] Total hCap    : 146
[Overflow Report] Total vCap    : 138
[Overflow Report] Total Usage   : 4
[Overflow Report] Max H Overflow: 0
[Overflow Report] Max V Overflow: 0
[Overflow Report] Max Overflow  : 0
[Overflow Report] Num Overflow e: 0
[Overflow Report] H   Overflow  : 0
[Overflow Report] V   Overflow  : 0
[Overflow Report] Final Overflow: 0

First Z Route
[Overflow Report] Total hCap    : 146
[Overflow Report] Total vCap    : 138
[Overflow Report] Total Usage   : 4
[Overflow Report] Max H Overflow: 0
[Overflow Report] Max V Overflow: 0
[Overflow Report] Max Overflow  : 0
[Overflow Report] Num Overflow e: 0
[Overflow Report] H   Overflow  : 0
[Overflow Report] V   Overflow  : 0
[Overflow Report] Final Overflow: 0

[INFO] LV routing round 0, enlarge 10 
[INFO] 10 threshold, 10 expand
[Overflow Report] total Usage   : 4
[Overflow Report] Max H Overflow: 0
[Overflow Report] Max V Overflow: 0
[Overflow Report] Max Overflow  : 0
[Overflow Report] Num Overflow e: 0
[Overflow Report] H   Overflow  : 0
[Overflow Report] V   Overflow  : 0
[Overflow Report] Final Overflow: 0

[INFO] LV routing round 1, enlarge 15 
[INFO] 5 threshold, 15 expand
[Overflow Report] total Usage   : 4
[Overflow Report] Max H Overflow: 0
[Overflow Report] Max V Overflow: 0
[Overflow Report] Max Overflow  : 0
[Overflow Report] Num Overflow e: 0
[Overflow Report] H   Overflow  : 0
[Overflow Report] V   Overflow  : 0
[Overflow Report] Final Overflow: 0

[INFO] LV routing round 2, enlarge 20 
[INFO] 1 threshold, 20 expand
[Overflow Report] total Usage   : 4
[Overflow Report] Max H Overflow: 0
[Overflow Report] Max V Overflow: 0
[Overflow Report] Max Overflow  : 0
[Overflow Report] Num Overflow e: 0
[Overflow Report] H   Overflow  : 0
[Overflow Report] V   Overflow  : 0
[Overflow Report] Final Overflow: 0

Usage checked
Maze routing finished
[INFO] P3 runtime: 0.000000 sec
[INFO] Final 2D results: 
[Overflow Report] total Usage   : 4
[Overflow Report] Max H Overflow: 0
[Overflow Report] Max V Overflow: 0
[Overflow Report] Max Overflow  : 0
[Overflow Report] Num Overflow e: 0
[Overflow Report] H   Overflow  : 0
[Overflow Report] V   Overflow  : 0
[Overflow Report] Final Overflow: 0

Layer Assignment Begins
Layer assignment finished
[INFO] 2D + Layer Assignment Runtime: 0.000000 sec
Post Processing Begins 
Post Processsing finished
 Starting via filling
[INFO] Via related to pin nodes 6
[INFO] Via related stiner nodes 0
Via filling finished

Final usage/overflow report: 
[INFO] Usage per layer: 
    Layer 1 usage: 0
    Layer 2 usage: 2
    Layer 3 usage: 2
    Layer 4 usage: 0
    Layer 5 usage: 0
    Layer 6 usage: 0

[INFO] Capacity per layer: 
    Layer 1 capacity: 0
    Layer 2 capacity: 70
    Layer 3 capacity: 100
    Layer 4 capacity: 64
    Layer 5 capacity: 38
    Layer 6 capacity: 12

[INFO] Use percentage per layer: 
    Layer 1 use percentage: 0.0%
    Layer 2 use percentage: 2.86%
    Layer 3 use percentage: 2.00%
    Layer 4 use percentage: 0.00%
    Layer 5 use percentage: 0.00%
    Layer 6 use percentage: 0.00%

[INFO] Overflow per layer: 
    Layer 1 overflow: 0
    Layer 2 overflow: 0
    Layer 3 overflow: 0
    Layer 4 overflow: 0
    Layer 5 overflow: 0
    Layer 6 overflow: 0

[Overflow Report] Total Usage   : 4
[Overflow Report] Total Capacity: 284
[Overflow Report] Max H Overflow: 0
[Overflow Report] Max V Overflow: 0
[Overflow Report] Max Overflow  : 0
[Overflow Report] H   Overflow  : 0
[Overflow Report] V   Overflow  : 0
[Overflow Report] Final Overflow: 0

[INFO] Final usage          : 4
[INFO] Final number of vias : 8
[INFO] Final usage 3D       : 28
[INFO] Total wirelength: 100 um
[INFO] Num routed nets: 2
[WARN]: No CLOCK_PORT found. Skipping STA...