nsrand-ipx

dual-infeasible

The instance

as published

Variables: 6,621
Constraints: 735
Nonzeros: 223,261
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: 2
Rows dropped: 0

What was removed

2 entries

lb of x546ub of x556

2 of 2 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →