triptim8
primal-infeasible
The instance
as published- Variables
- 27,342
- Constraints
- 14,427
- Nonzeros
- 521,945
- 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
fxa#41#42 ≤ 0
this instance, the other side
fxa#41#42 ≥ 1 at depth 109
fxa#41#42 ≤ 0
this instance, the other side
fxa#41#42 ≥ 1 at depth 109
- Depth in the tree
- 109
- Bounds tightened vs. source
- 4,897
- Branch variable
- fxa#41#42
Tightened bounds
4,897 entriesfxa#1#2<=1fxa#1#1255<=0fya#1#2<=1fxa#2#3<=2fya#2#3<=2fxa#3#4<=3fya#3#4<=3fxa#4#5<=4fya#4#5<=4fxa#5#6<=5fya#5#6<=5fxa#6#7<=6
12 of 4,897 shown. The complete list is in the sidecar.