MIPLIB 2017 Infeas

piperout-d20

dual-infeasible

The instance

as published
Variables
11,961
Constraints
15,451
Nonzeros
188,747
Format
MPS, gzipped

Where it comes from

provenance

The source instance's LP relaxation is feasible with a bounded optimum. Removing the elements below makes the objective unbounded, and putting any one of them back makes it bounded again.

Bounds dropped
177
Rows dropped
111

What was removed

288 entries
row p_lin_15336row p_lin_109row p_lin_15341row p_lin_15397lb of X_INTRODUCED_32633_lb of X_INTRODUCED_32612_row p_lin_9305lb of X_INTRODUCED_32632_row p_lin_45lb of X_INTRODUCED_7539_lb of X_INTRODUCED_32237_ub of X_INTRODUCED_23166_

12 of 288 shown. The complete list is in the sidecar.

Also published in the primal-infeasible set view →