MIPLIB 2017 Infeas

neos-5108386-kalang

primal-infeasible

The instance

as published
Variables
600,880
Constraints
849,226
Nonzeros
3,585,988
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
C595835 ≥ 1
this instance, the other side
C595835 ≤ 0 at depth 44
Depth in the tree
44
Bounds tightened vs. source
588,632
Branch variable
C595835

Tightened bounds

588,632 entries
C0001<=91C0002<=91C0003<=91C0004<=91C0005<=91C0006<=91C0007<=91C0008<=91C0009<=91C0010<=91C0011<=91C0012<=91

12 of 588,632 shown. The complete list is in the sidecar.