MIPLIB 2017 Infeas

neos-4355351-swalm

primal-infeasible

The instance

as published
Variables
21,065
Constraints
21,609
Nonzeros
371,467
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
C13154 ≤ 0
this instance, the other side
C13154 ≥ 1 at depth 887
Depth in the tree
887
Bounds tightened vs. source
11,417
Branch variable
C13154

Tightened bounds

11,417 entries
C0001<=4C0002<=4C0003<=4C0004<=4C0005<=4C0006<=4C0007<=4C0008<=4C0009<=4C0010<=4C0011<=4C0012<=4

12 of 11,417 shown. The complete list is in the sidecar.

Also published in the dual-infeasible set view →