MIPLIB 2017 Infeas

neos-5104907-jarama

primal-infeasible

The instance

as published
Variables
345,856
Constraints
489,818
Nonzeros
2,053,548
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
C338847 ≤ 0
this instance, the other side
C338847 ≥ 1 at depth 123
Depth in the tree
123
Bounds tightened vs. source
336,459
Branch variable
C338847

Tightened bounds

336,459 entries
C0001<=91C0002<=91C0003<=91C0004<=91C0005<=91C0006<=91C0007<=91C0008<=91C0009<=91C0010<=91C0011<=91C0012<=91

12 of 336,459 shown. The complete list is in the sidecar.