allcolor58
primal-infeasible
The instance
as published- Variables
- 84,376
- Constraints
- 197,154
- Nonzeros
- 515,184
- 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
q(13,8,17) ≤ 0
this instance, the other side
q(13,8,17) ≥ 1 at depth 4,769
q(13,8,17) ≤ 0
this instance, the other side
q(13,8,17) ≥ 1 at depth 4,769
- Depth in the tree
- 4,769
- Bounds tightened vs. source
- 64,072
- Branch variable
- q(13,8,17)
Tightened bounds
64,072 entriesq(1,1,1)<=0q(4,1,1)<=0q(9,1,1)<=0q(12,1,1)<=0q(1,1,2)<=0q(4,1,2)>=1q(5,1,2)<=0q(13,1,2)<=0q(3,1,3)<=0q(4,1,3)<=0q(8,1,3)<=0q(12,1,3)<=0
12 of 64,072 shown. The complete list is in the sidecar.