uccase8
primal-infeasible
The instance
as published- Variables
- 37,413
- Constraints
- 53,709
- Nonzeros
- 214,625
- 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
B(53,53,1) ≤ 0
this instance, the other side
B(53,53,1) ≥ 1 at depth 747
B(53,53,1) ≤ 0
this instance, the other side
B(53,53,1) ≥ 1 at depth 747
- Depth in the tree
- 747
- Bounds tightened vs. source
- 7,248
- Branch variable
- B(53,53,1)
Tightened bounds
7,248 entries_ENS(0,1,1)<=1689.864_ENS(0,1,2)<=1666.364_ENS(0,1,3)<=1654.1209999999999_ENS(0,1,4)<=1647.1209999999999_ENS(0,1,5)<=1642.1209999999999_ENS(0,1,6)<=1651.7909999999999_ENS(0,1,7)<=1648.7909999999999_ENS(0,1,8)<=1641.7909999999999_ENS(0,1,9)<=1650.7909999999999_ENS(0,1,10)<=1649.7909999999999_ENS(0,1,11)<=1683.7909999999999_ENS(0,1,12)<=1688.7909999999999
12 of 7,248 shown. The complete list is in the sidecar.