MIPLIB 2017 Infeas

genus-sym-g62-2

primal-infeasible

The instance

as published
Variables
12,912
Constraints
78,472
Nonzeros
275,855
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
c8_4_3 ≥ 1
this instance, the other side
c8_4_3 ≤ 0 at depth 109
Depth in the tree
109
Bounds tightened vs. source
109
Branch variable
c8_4_3

Tightened bounds

109 entries
c0_5_4>=1c0_7_8>=1c0_8_9<=0c0_57_30<=0c2_32_47<=0c3_38_20<=0c4_10_9<=0c5_0_54>=1c5_12_45>=1c5_42_43<=0c5_46_47<=0c6_6_5<=0

12 of 109 shown. The complete list is in the sidecar.