30n20b8
primal-infeasible
The instance
as published- Variables
- 18,380
- Constraints
- 576
- Nonzeros
- 109,706
- 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
S_2 ≤ 28
this instance, the other side
S_2 ≥ 29 at depth 413
S_2 ≤ 28
this instance, the other side
S_2 ≥ 29 at depth 413
- Depth in the tree
- 413
- Bounds tightened vs. source
- 1,388
- Branch variable
- S_2
Tightened bounds
1,388 entriesR_Mechaniker>=1S_1>=36x_1_1_100<=0x_1_1_101<=0x_1_1_102<=0x_1_1_103<=0x_1_1_104<=0x_1_1_105<=0x_1_1_106<=0x_1_1_107<=0x_1_1_108<=0x_1_1_109<=0
12 of 1,388 shown. The complete list is in the sidecar.