MIPLIB 2017 Infeas

mzzv11

primal-infeasible

The instance

as published
Variables
10,240
Constraints
9,499
Nonzeros
134,603
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
x1198 ≤ 0
this instance, the other side
x1198 ≥ 1 at depth 10
Depth in the tree
10
Bounds tightened vs. source
9
Branch variable
x1198

Tightened bounds

9 entries
x1198>=1x1291<=0x1335<=0x3996<=0x4166<=0x9446>=1x9744<=0x10092>=1x10236<=95

9 of 9 shown. The complete list is in the sidecar.