square41
primal-infeasible
The instance
as published- Variables
- 62,234
- Constraints
- 40,160
- Nonzeros
- 13,566,426
- Format
- MPS, gzipped
Where it comes from
provenanceA 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_21_1_10 ≤ 0
this instance, the other side
x_21_1_10 ≥ 1 at depth 24
x_21_1_10 ≤ 0
this instance, the other side
x_21_1_10 ≥ 1 at depth 24
- Depth in the tree
- 24
- Bounds tightened vs. source
- 38,454
- Branch variable
- x_21_1_10
Tightened bounds
38,454 entriesx_1_1_20>=1x_1_6_37<=0x_1_7_36<=0x_1_7_37<=0x_1_8_35<=0x_1_8_36<=0x_1_8_37<=0x_1_9_34<=0x_1_9_35<=0x_1_9_36<=0x_1_9_37<=0x_1_10_33<=0
12 of 38,454 shown. The complete list is in the sidecar.