Lines of the flow's detailed-route log (5_2_route.log) that report the violations left after each iteration and the stop:
[INFO DRT-0199]   Number of violations = 6021.
[INFO DRT-0199]   Number of violations = 3102.
[INFO DRT-0199]   Number of violations = 2570.
[INFO DRT-0199]   Number of violations = 179.
[INFO DRT-0199]   Number of violations = 7.
[INFO DRT-0199]   Number of violations = 2.
[INFO DRT-0199]   Number of violations = 2.
[INFO DRT-0199]   Number of violations = 2.
[INFO DRT-0199]   Number of violations = 2.
[INFO DRT-0199]   Number of violations = 2.
[INFO DRT-0199]   Number of violations = 2.
[INFO DRT-0199]   Number of violations = 2.
[INFO DRT-0199]   Number of violations = 4.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 3.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 4.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 3.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 3.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 4.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0198] Complete detail routing.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 2.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 4.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 3.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 3.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 4.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0199]   Number of violations = 1.
[INFO DRT-0198] Complete detail routing.
Design has unrouted nets.
"error "Design has unrouted nets.""
Elapsed time: 21:57.29[h:]min:sec. CPU time: user 2836.84 sys 5.32 (215%). Peak memory: 1169500KB.