MIPLIB 2017 Infeas

circ10-3

primal-infeasible

The instance

as published
Variables
2,700
Constraints
42,620
Nonzeros
307,320
Format
MPS, gzipped

Where it comes from

provenance

A 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
x2160 ≤ 0
this instance, the other side
x2160 ≥ 1 at depth 149
Depth in the tree
149
Bounds tightened vs. source
149
Branch variable
x2160

Tightened bounds

149 entries
x1861<=0x1911<=0x1919<=0x1982<=0x1999<=0x2002<=0x2019<=0x2099<=0x2119<=0x2141<=0x2151<=0x2160>=1

12 of 149 shown. The complete list is in the sidecar.