MIPLIB 2017 Infeas

thor50dday

primal-infeasible

The instance

as published
Variables
106,261
Constraints
53,360
Nonzeros
212,060
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
EdgeVar214_172 ≥ 1
this instance, the other side
EdgeVar214_172 ≤ 0 at depth 1,594
Depth in the tree
1,594
Bounds tightened vs. source
54,724
Branch variable
EdgeVar214_172

Tightened bounds

54,724 entries
EdgeVar0_1<=0EdgeVar0_2<=0EdgeVar0_3<=0EdgeVar0_4<=0EdgeVar0_5<=0EdgeVar0_6<=0EdgeVar0_7<=0EdgeVar0_8<=0EdgeVar0_9<=0EdgeVar0_10<=0EdgeVar0_11<=0EdgeVar0_12<=0

12 of 54,724 shown. The complete list is in the sidecar.

Also published in the dual-infeasible set view →