MIPLIB 2017 Infeas

ns1856153

primal-infeasible

The instance

as published
Variables
11,998
Constraints
35,407
Nonzeros
105,882
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
C1111 ≥ 1
this instance, the other side
C1111 ≤ 0 at depth 534
Depth in the tree
534
Bounds tightened vs. source
800
Branch variable
C1111

Tightened bounds

800 entries
C0043>=1C0057<=0C0058>=1C0073>=1C0088>=1C0103>=1C0118>=1C0133>=1C0148>=1C0163>=1C0178>=1C0193>=1

12 of 800 shown. The complete list is in the sidecar.