Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:18:16 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 96666.000000 Root relaxation: objective 1.092206e+05, 18 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 109220.640 0 5 96666.0000 109220.640 13.0% - 0s H 0 0 109063.00000 109220.640 0.14% - 0s 0 0 109217.056 0 6 109063.000 109217.056 0.14% - 0s 0 0 109217.056 0 5 109063.000 109217.056 0.14% - 0s 0 0 109217.056 0 6 109063.000 109217.056 0.14% - 0s 0 0 109216.976 0 8 109063.000 109216.976 0.14% - 0s 0 2 109216.799 0 8 109063.000 109216.799 0.14% - 0s H 5341 3460 109079.00000 109192.940 0.10% 2.3 0s H26296 12276 109086.00000 109181.571 0.09% 2.2 1s H51875 23351 109089.00000 109175.119 0.08% 2.3 2s H67022 26620 109095.00000 109175.119 0.07% 2.3 3s 93381 32472 109115.782 58 5 109095.000 109169.590 0.07% 2.3 5s 198320 78638 109120.991 58 5 109095.000 109156.150 0.06% 2.4 10s 306046 113208 109148.867 57 5 109095.000 109148.867 0.05% 2.4 15s 414044 138449 109129.947 53 5 109095.000 109143.538 0.04% 2.3 20s H516557 126414 109109.00000 109139.378 0.03% 2.3 24s 523157 125955 109132.007 57 5 109109.000 109138.986 0.03% 2.3 25s 631619 108929 109123.163 59 5 109109.000 109132.408 0.02% 2.3 30s 743315 67719 109118.664 58 6 109109.000 109124.211 0.01% 2.3 35s Cutting planes: Gomory: 4 Cover: 1 MIR: 8 Explored 784467 nodes (1792577 simplex iterations) in 36.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.091090000000e+05, best bound 1.091190000000e+05, gap 0.0092%