MIPLIB 2017 Infeas

rocII-5-11

primal-infeasible

The instance

as published
Variables
11,523
Constraints
26,897
Nonzeros
303,291
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
V#4#4#4#1#0#4 ≤ 0
this instance, the other side
V#4#4#4#1#0#4 ≥ 1 at depth 49
Depth in the tree
49
Bounds tightened vs. source
3,956
Branch variable
V#4#4#4#1#0#4

Tightened bounds

3,956 entries
z_l#0#1<=0.37500099999999997z_l#0#2<=0.37500099999999997z_l#0#3<=0.37500099999999997z_l#0#4<=0.37500099999999997z_l#0#5<=0.37500099999999997z_l#1#1<=0.37500099999999997z_l#1#2<=0.37500099999999997z_l#1#3<=0.37500099999999997z_l#1#4<=0.37500099999999997z_l#1#5<=0.37500099999999997z_l#2#1<=0.37500099999999997z_l#2#2<=0.37500099999999997

12 of 3,956 shown. The complete list is in the sidecar.