[FileFormats.LP] fix reading variable with negative upper bound #5849
| Job | Run time |
|---|---|
| 20m 31s | |
| 11m 46s | |
| 6m 46s | |
| 6m 18s | |
| 5m 10s | |
| 16m 40s | |
| 18m 21s | |
| 15m 7s | |
| 15m 43s | |
| 8m 5s | |
| 8m 0s | |
| 5m 40s | |
| 3m 9s | |
| 7m 41s | |
| 17m 29s | |
| 6m 46s | |
| 9m 56s | |
| 18m 26s | |
| 20m 41s | |
| 16m 53s | |
| 15m 54s | |
| 7m 25s | |
| 20m 11s | |
| 24m 39s | |
| 5h 7m 17s |