MIPLIB 2017 Infeas

shs1014

primal-infeasible

The instance

as published
Variables
444,474
Constraints
134,322
Nonzeros
1,046,077
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
x441310 ≤ 0
this instance, the other side
x441310 ≥ 1 at depth 732
Depth in the tree
732
Bounds tightened vs. source
4,793
Branch variable
x441310

Tightened bounds

4,793 entries
x450<=0x1027<=0x1032<=0x1539<=1x1541<=3x1543<=2x2090<=0x2103<=0x2104<=2x2116<=1x5800<=1x5804<=2

12 of 4,793 shown. The complete list is in the sidecar.