MIPLIB 2017 Infeas

eilC76-2

dual-infeasible

The instance

as published
Variables
28,599
Constraints
55
Nonzeros
193,519
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
54
Rows dropped
20

What was removed

74 entries
lb of x8514row c72lb of x6947lb of x24211lb of x11647lb of x2918lb of x12051lb of x12773lb of x7882lb of x2085lb of x1490lb of x14374

12 of 74 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →