nw04

dual-infeasible

The instance

as published

Variables: 87,482
Constraints: 27
Nonzeros: 390,025
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: 16
Rows dropped: 9

What was removed

25 entries

row c22row c31row c35row c28row c36lb of x56099lb of x12924lb of x14489lb of x67979lb of x74921row c13lb of x84899

12 of 25 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →