MIPLIB 2017 Infeas

neos-3372571-onahau

primal-infeasible

The instance

as published
Variables
13,086
Constraints
29,487
Nonzeros
116,511
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
l#4#7 ≥ 1
this instance, the other side
l#4#7 ≤ 0 at depth 85
Depth in the tree
85
Bounds tightened vs. source
13,004
Branch variable
l#4#7

Tightened bounds

13,004 entries
b#0>=1b#3<=0b#4>=1b#5<=0b#7>=1b#9>=1b#10<=0b#11<=0b#12<=0b#13<=0b#14<=0b#16<=0

12 of 13,004 shown. The complete list is in the sidecar.

Also published in the dual-infeasible set view →