MIPLIB 2017 Infeas

neos-498623

dual-infeasible

The instance

as published
Variables
9,861
Constraints
1,992
Nonzeros
137,160
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
55

What was removed

273 entries
row R0001lb of C9271lb of C9161lb of C6392lb of C2125row R0007row R1383lb of C6025lb of C4670lb of C9811row R1392lb of C6742

12 of 273 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →