Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:13:25 2013 Optimize a model with 5 rows, 100 columns and 500 nonzeros Presolve time: 0.00s Presolved: 5 rows, 100 columns, 500 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 58986.000000 Root relaxation: objective 6.222822e+04, 19 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 62228.2212 0 5 58986.0000 62228.2212 5.50% - 0s H 0 0 61721.000000 62228.2212 0.82% - 0s 0 0 62218.3694 0 8 61721.0000 62218.3694 0.81% - 0s 0 0 62213.4860 0 10 61721.0000 62213.4860 0.80% - 0s 0 0 62211.9017 0 11 61721.0000 62211.9017 0.80% - 0s H 0 0 61902.000000 62211.9017 0.50% - 0s 0 2 62211.0433 0 11 61902.0000 62211.0433 0.50% - 0s H 251 205 61907.000000 62200.1978 0.47% 2.4 0s H 673 455 61932.000000 62184.6136 0.41% 2.6 0s H 1436 598 61976.000000 62176.3358 0.32% 2.8 0s H 1686 631 61983.000000 62171.7402 0.30% 2.7 0s H 2213 387 62081.000000 62156.6171 0.12% 2.6 0s Cutting planes: Gomory: 4 MIR: 5 Zero half: 2 Explored 4176 nodes (10298 simplex iterations) in 0.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.208100000000e+04, best bound 6.208700000000e+04, gap 0.0097%