MIPLIB 2017 Infeas

iis-hc-cov

dual-infeasible

The instance

as published
Variables
297
Constraints
9,727
Nonzeros
142,971
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
31
Rows dropped
0

What was removed

31 entries
lb of x103lb of x14lb of x64lb of x146lb of x196lb of x256lb of x95ub of x248ub of x250lb of x105ub of x207ub of x293

12 of 31 shown. The complete list is in the sidecar.