sp98ar
primal-infeasible
The instance
as published- Variables
- 15,085
- Constraints
- 1,435
- Nonzeros
- 426,148
- 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
x12184 ≥ 1
this instance, the other side
x12184 ≤ 0 at depth 3,442
x12184 ≥ 1
this instance, the other side
x12184 ≤ 0 at depth 3,442
- Depth in the tree
- 3,442
- Bounds tightened vs. source
- 3,443
- Branch variable
- x12184
Tightened bounds
3,443 entriesx1<=0x2<=0x3<=0x4<=0x9<=0x12<=0x44<=0x45<=0x67<=0x68<=0x69<=0x92<=0
12 of 3,443 shown. The complete list is in the sidecar.