MIPLIB 2017 Infeas

ger50-17-trans-dfn-3t

primal-infeasible

The instance

as published
Variables
22,414
Constraints
499
Nonzeros
172,035
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$Nuernberg@3435 ≥ 1
this instance, the other side
x$Nuernberg@3435 ≤ 0 at depth 1,010
Depth in the tree
1,010
Bounds tightened vs. source
1,008
Branch variable
x$Nuernberg@3435

Tightened bounds

1,008 entries
x$Bremen_Le@1100<=0x$Bremen_Le@1102<=0x$Bremen_Le@1103<=0x$Bremen_Le@1105<=0x$Bremen_Le@1106<=0x$Bremen_Le@1108<=0x$Bremen_Le@1109<=0x$Bremen_Le@110b<=0x$Bremen_Le@110c<=0x$Bremen_Le@110e<=0x$Bremen_Le@110f<=0x$Bremen_Le@1111<=0

12 of 1,008 shown. The complete list is in the sidecar.

Also published in the dual-infeasible set view →