MIPLIB 2017 Infeas

lr2-22dr3-333vc4v17a-t60

primal-infeasible

The instance

as published
Variables
109,519
Constraints
108,566
Nonzeros
435,517
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
x_(3,13),(3,14),2 ≤ 0
this instance, the other side
x_(3,13),(3,14),2 ≥ 1 at depth 1,048
Depth in the tree
1,048
Bounds tightened vs. source
7,210
Branch variable
x_(3,13),(3,14),2

Tightened bounds

7,210 entries
f_(0,0),0<=0z_(0,0),0<=0f_(0,0),1<=0z_(0,0),1<=0f_(0,0),2<=0z_(0,0),2<=0f_(0,0),3<=0z_(0,0),3<=0f_(0,0),4<=0z_(0,0),4<=0f_(0,0),5<=0z_(0,0),5<=0

12 of 7,210 shown. The complete list is in the sidecar.