MIPLIB 2017 Infeas

shs1042

primal-infeasible

The instance

as published
Variables
467,589
Constraints
133,377
Nonzeros
1,114,011
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
x460317 ≤ 0
this instance, the other side
x460317 ≥ 1 at depth 47
Depth in the tree
47
Bounds tightened vs. source
3,014
Branch variable
x460317

Tightened bounds

3,014 entries
x12134>=1x15856<=0x16994>=7x32627>=1x32660>=1x32748<=0x45564<=0x48391<=0x51221<=0x86918>=1x115928>=1x136407>=1

12 of 3,014 shown. The complete list is in the sidecar.