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

Michael Winkler | 1429098 | 10713 | 2.80021e-04 | hard | – | 12677206 | supportcase19.mps.gz |

MIP instances collected from Gurobi forum with unknown application

Detailed explanation of the following tables can be found here.

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

Variables | 1429098 | 1429097 |

Constraints | 10713 | 10712 |

Binaries | 1311292 | 1311291 |

Integers | 117806 | 117806 |

Continuous | 0 | 0 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.000280021 | 0.000280047 |

Nonzeroes | 4287090 | 4287090 |

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

Total | 10713 | 10712 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 1 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 2 | 2 |

Set Partitioning | 0 | 1 |

Set Packing | 0 | 0 |

Set Covering | 324 | 324 |

Cardinality | 1 | 0 |

Invariant Knapsack | 0 | 0 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 0 | 0 |

General Linear | 10385 | 10385 |

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 | 2.507856 | ||||

Constraint % | 0.00934 | 0.009510 | 0.009340 | 0.0653473 | |

Variable % | 0.00014 | 0.285846 | 0.314534 | 0.6890360 | |

Score | 0.030441 |

Find solutions below. Download the archive containing all solutions from the Download page.

ID | Objective | Exact | Int. Viol | Cons. Viol | Obj. Viol | Submitter | Date | Description |
---|---|---|---|---|---|---|---|---|

1 | 12677206 | 12677206 | 0 | 0 | 0 | - | 2018-10-15 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to supportcase19 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

lr1dr12vc10v70b-t360 | open | 193525 | 90670 | 93480 | 9375 | 56160 | 587100 | Dimitri Papageorgiou | maritime | 1166516.57270949* | aggregations variable_bound set_partitioning set_packing integer_knapsack mixed_binary general_linear |

t11nonreg | easy | 4596905 | 4570985 | 8640 | 17280 | 27375 | 46841400 | Sujayandra Vaddagiri | – | 1029039.5 | aggregations set_partitioning general_linear |

lr1dr04vc05v17a-t360 | open | 36912 | 15326 | 17979 | 3607 | 12600 | 107170 | Dimitri Papageorgiou | maritime | 253167.754515788* | aggregations variable_bound set_partitioning set_packing integer_knapsack mixed_binary general_linear |

30n20b8 | easy | 18380 | 18318 | 62 | 0 | 576 | 109706 | E. Coughlan, M. Lübbecke, J. Schulz | – | 302 | benchmark benchmark_suitable precedence set_partitioning general_linear |

splan1 | open | 1317382 | 90810 | 1978 | 1224594 | 572800 | 5233840 | C. Helmberg, A. Lau | – | 341753.132832921* | numerics aggregations variable_bound set_partitioning set_packing cardinality invariant_knapsack knapsack integer_knapsack mixed_binary general_linear |

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Last Update Feb 25, 2020 by Gabriel Kressin

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