MIPLIB 2017 Infeas

t1722

primal-infeasible

The instance

as published
Variables
36,630
Constraints
338
Nonzeros
133,096
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
x15203 ≤ 0
this instance, the other side
x15203 ≥ 1 at depth 11,693
Depth in the tree
11,693
Bounds tightened vs. source
11,693
Branch variable
x15203

Tightened bounds

11,693 entries
x1<=0x2<=0x3<=0x5<=0x8<=0x12<=0x13<=0x16<=0x18<=0x19<=0x20<=0x24<=0

12 of 11,693 shown. The complete list is in the sidecar.

Also published in the dual-infeasible set view →