OpenROAD 0.9.0 e582f2522b
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.
Warning: /home/xrex/usr/devel/pdks/sky130A/libs.ref/sky130_fd_sc_hd/lib/sky130_fd_sc_hd__tt_025C_1v80.lib, line 31 default_operating_condition tt_025C_1v80 not found.
Notice 0: Reading LEF file:  /project/openlane/user_proj_example/runs/user_proj_example/tmp/merged_unpadded.lef
Notice 0:     Created 13 technology layers
Notice 0:     Created 25 technology vias
Notice 0:     Created 437 library cells
Notice 0: Finished LEF file:  /project/openlane/user_proj_example/runs/user_proj_example/tmp/merged_unpadded.lef
Notice 0: 
Reading DEF file: /project/openlane/user_proj_example/runs/user_proj_example/tmp/routing/fastroute.def
Notice 0: Design: user_proj_example
Notice 0:     Created 614 pins.
Notice 0:     Created 1541 components and 6833 component-terminals.
Notice 0:     Created 2 special nets and 0 connections.
Notice 0:     Created 1030 nets and 1926 connections.
Notice 0: Finished DEF file: /project/openlane/user_proj_example/runs/user_proj_example/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: 35512
[INFO] #DB Macros: 0
[INFO] Found 0 clock nets
[INFO] Minimum degree: 2
[INFO] Maximum degree: 42
[INFO] Processing 24585 obstacles in layer 1
[INFO] Processing 4874 obstacles in layer 2
[INFO] Processing 3 obstacles in layer 5
[INFO] Processing 3 obstacles in layer 6
[INFO] Reducing resources of layer 1 by 99%
[INFO] Reducing resources of layer 2 by 20%
[INFO] Reducing resources of layer 3 by 20%
[INFO] Reducing resources of layer 4 by 20%
[INFO] Reducing resources of layer 5 by 10%
[INFO] Reducing resources of layer 6 by 10%
[INFO] WIRELEN : 6986, WIRELEN1 : 0
[INFO] NumSeg  : 1626
[INFO] NumShift: 0
First L Route
[INFO] WIRELEN : 6988, WIRELEN1 : 6988
[INFO] NumSeg  : 1616
[INFO] NumShift: 52
[Overflow Report] Total hCap    : 28207
[Overflow Report] Total vCap    : 22826
[Overflow Report] Total Usage   : 6988
[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    : 28207
[Overflow Report] Total vCap    : 22826
[Overflow Report] Total Usage   : 6988
[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    : 28207
[Overflow Report] Total vCap    : 22826
[Overflow Report] Total Usage   : 6988
[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   : 6988
[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   : 6988
[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   : 6988
[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   : 6988
[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: 4.230000 sec
Post Processing Begins 
Post Processsing finished
 Starting via filling
[INFO] Via related to pin nodes 3087
[INFO] Via related stiner nodes 246
Via filling finished

Final usage/overflow report: 
[INFO] Usage per layer: 
    Layer 1 usage: 0
    Layer 2 usage: 3445
    Layer 3 usage: 3092
    Layer 4 usage: 378
    Layer 5 usage: 49
    Layer 6 usage: 31

[INFO] Capacity per layer: 
    Layer 1 capacity: 0
    Layer 2 capacity: 16762
    Layer 3 capacity: 15260
    Layer 4 capacity: 10185
    Layer 5 capacity: 7566
    Layer 6 capacity: 1260

[INFO] Use percentage per layer: 
    Layer 1 use percentage: 0.0%
    Layer 2 use percentage: 20.55%
    Layer 3 use percentage: 20.26%
    Layer 4 use percentage: 3.71%
    Layer 5 use percentage: 0.65%
    Layer 6 use percentage: 2.46%

[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   : 6995
[Overflow Report] Total Capacity: 51033
[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          : 6995
[INFO] Final number of vias : 4026
[INFO] Final usage 3D       : 19073
[INFO] Total wirelength: 71097 um
[INFO] Num routed nets: 764