MIPLIB 2017 Infeas

nursesched-medium-hint03

dual-infeasible

The instance

as published
Variables
34,248
Constraints
14,062
Nonzeros
622,800
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
0

What was removed

4 entries
lb of rw(N26,26,26)lb of rw(N26,4,25)ub of rw(N26,4,27)lb of rw(N26,27,27)

4 of 4 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →