MIPLIB 2017 Infeas

seqsolve2short4288

primal-infeasible

The instance

as published
Variables
207,665
Constraints
242,244
Nonzeros
1,028,179
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
pairday[QTA0000000146YSVFJ,UXE0000000462CWZJN,Tu] ≤ 0
this instance, the other side
pairday[QTA0000000146YSVFJ,UXE0000000462CWZJN,Tu] ≥ 1 at depth 978
Depth in the tree
978
Bounds tightened vs. source
16,032
Branch variable
pairday[QTA0000000146YSVFJ,UXE0000000462CWZJN,Tu]

Tightened bounds

16,032 entries
h[JMT0000000243RLOYC,ADK0000000390ICFPT,Mo]<=0h[KNU0000000036SMPZD,ADK0000000390ICFPT,We]>=2h[PSZ0000000093XRUEI,ADK0000000390ICFPT,Mo]<=0h[ADK0000000078ICFPT,ADK0000000442ICFPT,Th]<=0h[TWD0000000149BVYIM,ADK0000000442ICFPT,We]<=9h[ADK0000000286ICFPT,ADK0000000520ICFPT,Mo]<=0h[ADK0000000286ICFPT,ADK0000000520ICFPT,Th]<=0h[GJQ0000000058OILVZ,ADK0000000624ICFPT,Tu]<=3h[TWD0000000227BVYIM,ADK0000000702ICFPT,Fr]>=2h[TWD0000000227BVYIM,ADK0000000702ICFPT,Fr]<=2h[EHO0000000056MGJTX,ADK0000000858ICFPT,Fr]<=4h[ORY0000000092WQTDH,BEL0000000365JDGQU,We]>=3

12 of 16,032 shown. The complete list is in the sidecar.