Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|

Michael Winkler | 7129 | 260602 | 1.19969e-03 | hard | – | Infeasible | supportcase22.mps.gz |

MIP instances collected from Gurobi forum with unknown application

Detailed explanation of the following tables can be found here.

Original | Presolved | |
---|---|---|

Variables | 7129 | 7129 |

Constraints | 260602 | 260602 |

Binaries | 7129 | 7129 |

Integers | 0 | 0 |

Continuous | 0 | 0 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00119969 | 0.00119969 |

Nonzeroes | 2228830 | 2228830 |

Original | Presolved | |
---|---|---|

Total | 260602 | 260602 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 640 | 640 |

Precedence | 0 | 0 |

Variable Bound | 0 | 0 |

Set Partitioning | 0 | 0 |

Set Packing | 0 | 0 |

Set Covering | 27271 | 291 |

Cardinality | 0 | 0 |

Invariant Knapsack | 0 | 259380 |

Equation Knapsack | 0 | 0 |

Bin Packing | 290 | 290 |

Knapsack | 0 | 1 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 232401 | 0 |

General Linear | 0 | 0 |

Indicator | 0 | 0 |

Available nonzero structure and decomposition information. Further information can be found here.

Decomposed structure of original problem (dec-file)

Decomposed structure after trivial presolving (dec-file)

value | min | median | mean | max | |
---|---|---|---|---|---|

Components | 0.301030 | ||||

Constraint % | 99.5315 | 99.5315 | 99.5315 | 99.5315 | |

Variable % | 96.1706 | 96.1706 | 96.1706 | 96.1706 | |

Score | 0.038115 |

No solution available for supportcase22 .

The following instances are most similar to supportcase22 in the collection. This similarity analysis is based on 100 scaled instance features describing properties of the variables, objective function, bounds, constraints, and right hand sides.

Instance | Status | Variables | Binaries | Integers | Continuous | Constraints | Nonz. | Submitter | Group | Objective | Tags |
---|---|---|---|---|---|---|---|---|---|---|---|

supportcase2 | open | 2912 | 2912 | 0 | 0 | 597385 | 7653930 | Michael Winkler | – | 372* | binary aggregations set_covering invariant_knapsack binpacking |

neos-3402454-bohle | hard | 2904 | 2616 | 0 | 288 | 2897380 | 8953800 | Jeff Linderoth | neos-pseudoapplication-4 | Infeasible | benchmark infeasible benchmark_suitable precedence set_partitioning set_covering invariant_knapsack mixed_binary |

supportcase10 | hard | 14770 | 14770 | 0 | 0 | 165684 | 555082 | Michael Winkler | – | 7 | benchmark binary benchmark_suitable aggregations precedence variable_bound set_covering invariant_knapsack |

nucorsav | open | 55410 | 49360 | 0 | 6050 | 1812472 | 26170400 | Alexandra M. Newman | – | no_solution precedence variable_bound set_partitioning set_packing cardinality invariant_knapsack knapsack mixed_binary | |

supportcase21i | easy | 27 | 24 | 3 | 0 | 7540 | 95325 | Michael Winkler | – | 20 | indicator numerics set_covering invariant_knapsack general_linear |

`No bibliographic information available`

Last Update Jun 24, 2019 by Gregor Hendel

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