square31
primal-infeasible
The instance
as published- Variables
- 28,860
- Constraints
- 19,435
- Nonzeros
- 3,937,200
- 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_17_15_1 ≥ 1
this instance, the other side
x_17_15_1 ≤ 0 at depth 66
x_17_15_1 ≥ 1
this instance, the other side
x_17_15_1 ≤ 0 at depth 66
- Depth in the tree
- 66
- Bounds tightened vs. source
- 27,101
- Branch variable
- x_17_15_1
Tightened bounds
27,101 entriesx_1_1_3<=0x_1_1_6<=0x_1_1_8<=0x_1_1_9<=0x_1_1_10<=0x_1_1_11<=0x_1_1_12<=0x_1_1_13<=0x_1_1_14<=0x_1_1_15<=0x_1_1_16<=0x_1_1_17<=0
12 of 27,101 shown. The complete list is in the sidecar.