MIPLIB 2017 Infeas

supportcase39

dual-infeasible

The instance

as published
Variables
1,025
Constraints
16,376
Nonzeros
398,598
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
18
Rows dropped
8

What was removed

26 entries
lb of x923ub of x959ub of x957ub of x1019row c15843lb of x983lb of x985lb of x919ub of x1016lb of x949row c15852ub of x1022

12 of 26 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →