MIPLIB 2017 Infeas

netdiversion

primal-infeasible

The instance

as published
Variables
129,180
Constraints
119,589
Nonzeros
615,282
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
x32844 ≤ 0
this instance, the other side
x32844 ≥ 1 at depth 759
Depth in the tree
759
Bounds tightened vs. source
759
Branch variable
x32844

Tightened bounds

759 entries
x4850>=1x4949<=0x4950>=1x5050>=1x5148>=1x5248>=1x5449>=1x5450>=1x5550>=1x5646>=1x5647>=1x5648>=1

12 of 759 shown. The complete list is in the sidecar.