bab5
primal-infeasible
The instance
as published- Variables
- 21,600
- Constraints
- 4,964
- Nonzeros
- 155,520
- 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
x328 ≤ 0
this instance, the other side
x328 ≥ 1 at depth 177
x328 ≤ 0
this instance, the other side
x328 ≥ 1 at depth 177
- Depth in the tree
- 177
- Bounds tightened vs. source
- 177
- Branch variable
- x328
Tightened bounds
177 entriesx18<=0x70<=0x82<=0x86<=0x129>=1x146<=0x150<=0x161<=0x198<=0x210<=0x213<=0x214<=0
12 of 177 shown. The complete list is in the sidecar.