Improve IndependentConstraintSetUnion
#845
| Job | Run time |
|---|---|
| 12m 44s | |
| 16m 26s | |
| 20m 2s | |
| 5m 37s | |
| 39m 36s | |
| 20m 45s | |
| 13m 15s | |
| 56m 2s | |
| 21m 48s | |
| 16m 3s | |
| 19m 16s | |
| 1h 10m 51s | |
| 46m 41s | |
| 1h 5m 35s | |
| 16m 1s | |
| 45m 21s | |
| 15m 39s | |
| 16m 7s | |
| 20m 17s | |
| 14m 25s | |
| 9h 12m 31s |