MIPLIB 2017 Infeas

hypothyroid-k1

primal-infeasible

The instance

as published
Variables
2,602
Constraints
5,195
Nonzeros
433,884
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
X_INTRODUCED_18220_ ≤ 0
this instance, the other side
X_INTRODUCED_18220_ ≥ 1 at depth 11
Depth in the tree
11
Bounds tightened vs. source
13
Branch variable
X_INTRODUCED_18220_

Tightened bounds

13 entries
objective>=2852objective<=2887X_INTRODUCED_9887_<=0X_INTRODUCED_9888_<=0X_INTRODUCED_9889_<=0X_INTRODUCED_9890_<=0X_INTRODUCED_9896_<=0X_INTRODUCED_9911_<=0X_INTRODUCED_14960_<=0X_INTRODUCED_18220_>=1X_INTRODUCED_18770_<=0X_INTRODUCED_20351_<=0

12 of 13 shown. The complete list is in the sidecar.