Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:28:07 2012 Optimize a model with 339 rows, 229 columns and 1074 nonzeros Presolve time: 0.00s Presolved: 339 rows, 229 columns, 1074 nonzeros Variable types: 0 continuous, 229 integer (229 binary) Found heuristic solution: objective 87.0000000 Found heuristic solution: objective 84.0000000 Root relaxation: objective 0.000000e+00, 103 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 60 84.00000 0.00000 100% - 0s H 0 0 83.0000000 0.00000 100% - 0s H 0 0 76.0000000 0.00000 100% - 0s H 0 0 72.0000000 0.00000 100% - 0s 0 0 0.62500 0 61 72.00000 0.62500 99.1% - 0s H 0 0 71.0000000 0.62500 99.1% - 0s H 0 0 67.0000000 0.62500 99.1% - 0s H 0 0 64.0000000 0.62500 99.0% - 0s 0 0 1.18203 0 63 64.00000 1.18203 98.2% - 0s 0 0 1.56250 0 62 64.00000 1.56250 97.6% - 0s H 0 0 54.0000000 1.56250 97.1% - 0s H 0 0 46.0000000 1.56250 96.6% - 0s 0 2 1.56771 0 62 46.00000 1.56771 96.6% - 0s * 39 30 19 45.0000000 5.47802 87.8% 31.9 0s * 42 29 19 44.0000000 5.47802 87.5% 30.5 0s * 167 124 20 42.0000000 8.47895 79.8% 31.8 0s * 3056 500 27 41.0000000 26.74590 34.8% 23.6 3s 5710 385 35.54348 23 103 41.00000 32.52778 20.7% 21.8 5s Cutting planes: Gomory: 3 Explored 7435 nodes (154182 simplex iterations) in 6.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.100000000000e+01, best bound 4.100000000000e+01, gap 0.0%