MIPLIB 2017 Infeas

pb-grow22

primal-infeasible

The instance

as published
Variables
25,124
Constraints
1,320
Nonzeros
154,694
Format
MPS, gzipped

Where it comes from

provenance

A branch-and-bound run reached this node's parent and split on a variable. This instance is the side the search did not explore, and it has no feasible point.

branch taken by the search
x13944 ≤ 0
this instance, the other side
x13944 ≥ 1 at depth 10
Depth in the tree
10
Bounds tightened vs. source
10
Branch variable
x13944

Tightened bounds

10 entries
x23675>=1x16812>=1x22546>=1x13944>=1x10750>=1x10782>=1x4304<=0x9964>=1x5039<=0x9464<=0

10 of 10 shown. The complete list is in the sidecar.

Also published in the dual-infeasible set view →