MIPLIB 2017 Infeas

rmine11

primal-infeasible

The instance

as published
Variables
12,292
Constraints
97,389
Nonzeros
241,240
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_B666_t5 ≤ 0
this instance, the other side
x_B666_t5 ≥ 1 at depth 363
Depth in the tree
363
Bounds tightened vs. source
1,184
Branch variable
x_B666_t5

Tightened bounds

1,184 entries
x_B7_t5<=0x_B8_t6<=0x_B8_t7<=0x_B8_t8>=1x_B9_t8<=0x_B10_t6<=0x_B10_t7<=0x_B11_t4<=0x_B18_t5<=0x_B19_t5<=0x_B20_t5<=0x_B20_t9<=0

12 of 1,184 shown. The complete list is in the sidecar.