MIPLIB 2017 Infeas

neos-5221106-oparau

primal-infeasible

The instance

as published
Variables
25,445
Constraints
13,897
Nonzeros
245,756
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
C12172 ≤ 0
this instance, the other side
C12172 ≥ 1 at depth 80
Depth in the tree
80
Bounds tightened vs. source
408
Branch variable
C12172

Tightened bounds

408 entries
C0001<=2000C0002<=2000C0003<=2000C0004<=2000C0005<=2000C0006<=2000C0007<=2000C0008<=2000C0009<=2000C0010<=2000C0011<=2000C0012<=2000

12 of 408 shown. The complete list is in the sidecar.