MIPLIB 2017 Infeas

cmflsp50-24-8-8

primal-infeasible

The instance

as published
Variables
16,392
Constraints
3,520
Nonzeros
158,622
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
Y_5_11 ≥ 1
this instance, the other side
Y_5_11 ≤ 0 at depth 284
Depth in the tree
284
Bounds tightened vs. source
304
Branch variable
Y_5_11

Tightened bounds

304 entries
Y_1_6<=0Y_1_12<=0Y_1_13<=0Y_1_14<=0Y_1_15<=0Y_1_17<=0Y_1_19<=0Y_1_20<=0Y_1_21<=0Y_1_22<=0Y_1_23<=0Y_2_8>=1

12 of 304 shown. The complete list is in the sidecar.

Also published in the dual-infeasible set view →