MIPLIB 2017 Infeas

neos-2991472-kalu

dual-infeasible

The instance

as published
Variables
12,105
Constraints
18,161
Nonzeros
13,703,421
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
218
Rows dropped
9

What was removed

227 entries
row R0029lb of C0005row R0033row R0011row R0057lb of C6211lb of C1808lb of C2001lb of C10509lb of C5632row R13553lb of C5757

12 of 227 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →