[INFO DRT-0187] Start routing data preparation.
[INFO DRT-0267] cpu time = 00:00:01, elapsed time = 00:00:01, memory = 10695.51 (MB), peak = 15725.44 (MB)
[INFO DRT-0194] Start detail routing.
[INFO DRT-0195] Start 0th optimization iteration.
    Completing 10% with 0 violations.
    elapsed time = 00:02:03, memory = 19830.69 (MB).
    Completing 20% with 27191 violations.
    elapsed time = 00:28:38, memory = 19574.97 (MB).
    Completing 30% with 52727 violations.
    elapsed time = 01:05:44, memory = 19622.01 (MB).
[ERROR]: during executing openroad script /openlane/scripts/openroad/droute.tcl
[ERROR]: Exit code: 1
[ERROR]: Last 10 lines:
child killed: kill signal