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

MIPLIB submission pool | 2112 | 3314 | 1.42045e-03 | hard | -- | 6325 | icir97_potential.mps.gz |

Imported from the MIPLIB2010 submissions. The instance was solved using 40 threads in about 8 hours using Gurobi 9.0.

Detailed explanation of the following tables can be found here.

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

Variables | 2112 | 2111 |

Constraints | 3314 | 3314 |

Binaries | 1235 | 1234 |

Integers | 422 | 422 |

Continuous | 455 | 455 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00142045 | 0.00142084 |

Nonzeroes | 9942 | 9940 |

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

Total | 3314 | 3314 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 2 |

Variable Bound | 0 | 0 |

Set Partitioning | 0 | 0 |

Set Packing | 0 | 0 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 0 | 0 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 2470 | 2468 |

General Linear | 844 | 844 |

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 | 1.462398 | ||||

Constraint % | 0.060350 | 0.911717 | 0.724200 | 3.6210 | |

Variable % | 0.142113 | 1.101370 | 0.947418 | 4.0739 | |

Score | 0.250706 |

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 | 6325 | 6325 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

2 | 6325 | 0 | 0 | 0 | Hans Mittelmann | 2019-12-18 | Optimal solution found with Gurobi 9.0 using 40 threads in about 8 hours |

The following instances are most similar to icir97_potential 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

ic97_potential | easy | 728 | 450 | 73 | 205 | 1046 | 3138 | L. Peeters | -- | 3942 | benchmark benchmark_suitable precedence mixed_binary general_linear |

neos-5115478-kaveri | easy | 3114 | 2976 | 0 | 138 | 6498 | 19392 | Jeff Linderoth | neos-pseudoapplication-54 | 1233.99999999096 | numerics aggregations precedence mixed_binary |

neos-5107597-kakapo | easy | 3114 | 2976 | 0 | 138 | 6498 | 19392 | Jeff Linderoth | neos-pseudoapplication-54 | 3645 | benchmark benchmark_suitable aggregations precedence mixed_binary |

supportcase26 | easy | 436 | 396 | 0 | 40 | 870 | 2492 | Michael Winkler | -- | 1745.123813 | benchmark benchmark_suitable precedence mixed_binary |

timtab1 | easy | 397 | 77 | 94 | 226 | 171 | 829 | C. Liebchen, R. Möhring | timtab | 764772 | benchmark benchmark_suitable aggregations mixed_binary general_linear |

`No bibliographic information available`

Last Update Nov 16, 2020 by Philipp Wellner

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