Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:19:28 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 98177.000000 Root relaxation: objective 1.095108e+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 109510.792 0 5 98177.0000 109510.792 11.5% - 0s H 0 0 109123.00000 109510.792 0.36% - 0s 0 0 109506.834 0 7 109123.000 109506.834 0.35% - 0s 0 0 109505.263 0 7 109123.000 109505.263 0.35% - 0s 0 0 109505.051 0 8 109123.000 109505.051 0.35% - 0s H 0 0 109254.00000 109505.051 0.23% - 0s H 0 0 109271.00000 109505.051 0.21% - 0s 0 0 109505.051 0 5 109271.000 109505.051 0.21% - 0s 0 0 109505.051 0 8 109271.000 109505.051 0.21% - 0s 0 0 109504.583 0 9 109271.000 109504.583 0.21% - 0s 0 2 109504.307 0 9 109271.000 109504.307 0.21% - 0s H 534 455 109289.00000 109495.910 0.19% 2.3 0s H 1976 900 109364.00000 109489.911 0.12% 2.6 0s H29618 17058 109378.00000 109460.459 0.08% 2.3 1s 88196 33094 109431.274 50 5 109378.000 109450.208 0.07% 2.4 5s H186209 58340 109383.00000 109434.940 0.05% 2.4 9s 192642 59785 109410.584 53 5 109383.000 109434.214 0.05% 2.4 10s 301458 72995 109410.297 54 5 109383.000 109423.594 0.04% 2.4 15s 410618 67644 109398.160 58 5 109383.000 109414.408 0.03% 2.4 20s 522027 37179 109396.763 55 5 109383.000 109402.523 0.02% 2.4 25s Cutting planes: Gomory: 8 Cover: 1 MIR: 4 Zero half: 1 Explored 561862 nodes (1323795 simplex iterations) in 26.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.093830000000e+05, best bound 1.093930000000e+05, gap 0.0091%