MIPLIB 2017 Infeas

rocII-10-11

primal-infeasible

The instance

as published
Variables
22,968
Constraints
52,692
Nonzeros
604,216
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#0#1#8 ≤ 0
this instance, the other side
V#4#4#4#0#1#8 ≥ 1 at depth 17
Depth in the tree
17
Bounds tightened vs. source
5,684
Branch variable
V#4#4#4#0#1#8

Tightened bounds

5,684 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#0#6<=0.37500099999999997z_l#0#7<=0.37500099999999997z_l#0#8<=0.37500099999999997z_l#0#9<=0.37500099999999997z_l#0#10<=0.37500099999999997z_l#1#1<=0.37500099999999997z_l#1#2<=0.37500099999999997

12 of 5,684 shown. The complete list is in the sidecar.