MIPLIB 2017 Infeas

sp98ar

dual-infeasible

The instance

as published
Variables
15,085
Constraints
1,434
Nonzeros
425,241
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
4
Rows dropped
1

What was removed

5 entries
lb of x6703row c46ub of x6700lb of x12189ub of x12191

5 of 5 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →