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/caravel/runs/caravel/tmp/merged_unpadded.lef
Notice 0:     Created 13 technology layers
Notice 0:     Created 25 technology vias
Notice 0:     Created 78 library cells
Notice 0: Finished LEF file:  /project/openlane/caravel/runs/caravel/tmp/merged_unpadded.lef
Warning: LEF master gpio_control_block has no liberty cell.
Warning: LEF master mgmt_protect has no liberty cell.
Warning: LEF master user_project_wrapper has no liberty cell.
Warning: LEF master chip_io has no liberty cell.
Warning: LEF master simple_por has no liberty cell.
Warning: LEF master sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped has no liberty cell.
Warning: LEF master mgmt_core has no liberty cell.
Warning: LEF master storage has no liberty cell.
Warning: LEF master user_id_programming has no liberty cell.
Info: Added 1266 rows of 7451 sites.