ds

dual-infeasible

The instance

as published

Variables: 67,732
Constraints: 530
Nonzeros: 732,397
Format: MPS, gzipped

Where it comes from

provenance

The source instance's LP relaxation is feasible with a bounded optimum. Removing the elements below makes the objective unbounded, and putting any one of them back makes it bounded again.

Bounds dropped: 261
Rows dropped: 126

What was removed

387 entries

lb of x28069lb of x29112lb of x43551lb of x50672row c138row c631row c584lb of x45202lb of x5965lb of x17579lb of x49287lb of x44341

12 of 387 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →