Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:21:31 2013 Optimize a model with 5 rows, 250 columns and 1250 nonzeros Presolve time: 0.00s Presolved: 5 rows, 250 columns, 1250 nonzeros Variable types: 0 continuous, 250 integer (250 binary) Found heuristic solution: objective 97453.000000 Root relaxation: objective 1.091526e+05, 20 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 109152.607 0 5 97453.0000 109152.607 12.0% - 0s H 0 0 108621.00000 109152.607 0.49% - 0s 0 0 109151.598 0 6 108621.000 109151.598 0.49% - 0s 0 0 109151.098 0 8 108621.000 109151.098 0.49% - 0s H 0 0 108882.00000 109151.098 0.25% - 0s 0 2 109150.679 0 8 108882.000 109150.679 0.25% - 0s H 5 5 108949.00000 109149.444 0.18% 2.0 0s H 3956 2656 108950.00000 109132.776 0.17% 2.3 0s H 6004 4198 108959.00000 109129.219 0.16% 2.3 0s H10914 7288 108987.00000 109125.080 0.13% 2.3 0s H61039 30053 108989.00000 109114.152 0.11% 2.2 3s H82531 36724 109001.00000 109113.755 0.10% 2.2 4s 85586 37871 109037.462 83 5 109001.000 109112.797 0.10% 2.2 5s H113104 42832 109040.00000 109111.242 0.07% 2.2 6s 188874 48746 109049.617 86 5 109040.000 109093.492 0.05% 2.3 10s 310772 47905 109072.323 91 5 109040.000 109078.756 0.04% 2.3 15s 436635 37182 109060.780 86 5 109040.000 109066.528 0.02% 2.3 20s Cutting planes: Gomory: 4 Cover: 3 MIR: 3 Zero half: 2 Explored 514726 nodes (1167728 simplex iterations) in 23.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.090400000000e+05, best bound 1.090500000000e+05, gap 0.0092%