MIPLIB 2017 Infeas

nursesched-sprint-late03

dual-infeasible

The instance

as published
Variables
11,690
Constraints
5,032
Nonzeros
208,410
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
7
Rows dropped
0

What was removed

7 entries
lb of ww(N4,1,24)lb of ww(N4,17,17)ub of ww(N4,17,24)ub of ww(N4,6,17)ub of ww(N4,1,22)lb of ww(N4,14,22)lb of ww(N4,6,13)

7 of 7 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →