MIPLIB 2017 Infeas

sct5

primal-infeasible

The instance

as published
Variables
37,265
Constraints
13,304
Nonzeros
147,037
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
x8313 ≤ 0
this instance, the other side
x8313 ≥ 1 at depth 5,513
Depth in the tree
5,513
Bounds tightened vs. source
10,640
Branch variable
x8313

Tightened bounds

10,640 entries
x0<=0x1>=1x2<=0x3<=0x4<=0x5<=0x7<=0x8<=0x9<=0x10<=0x11<=0x13<=0

12 of 10,640 shown. The complete list is in the sidecar.