Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:58:47 2012 Optimize a model with 359 rows, 373 columns and 1268 nonzeros Presolve removed 0 rows and 32 columns Presolve time: 0.00s Presolved: 359 rows, 341 columns, 1236 nonzeros Variable types: 0 continuous, 341 integer (340 binary) Found heuristic solution: objective 51.0000000 Root relaxation: objective 0.000000e+00, 235 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 0 147 51.00000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s H 0 0 42.0000000 0.00000 100% - 0s H 0 0 34.0000000 0.00000 100% - 0s 0 0 0.31528 0 148 34.00000 0.31528 99.1% - 0s H 0 0 31.0000000 0.31528 99.0% - 0s 0 0 1.00000 0 153 31.00000 1.00000 96.8% - 0s H 0 0 30.0000000 1.00000 96.7% - 0s 0 0 1.00000 0 154 30.00000 1.00000 96.7% - 0s 0 0 1.00000 0 151 30.00000 1.00000 96.7% - 0s H 0 0 21.0000000 1.00000 95.2% - 0s H 0 0 16.0000000 1.00000 93.8% - 0s 0 2 1.00000 0 138 16.00000 1.00000 93.7% - 0s H 54 54 14.0000000 1.00000 92.9% 16.2 0s H 81 46 9.0000000 1.00000 88.9% 12.8 0s * 108 48 21 8.0000000 1.00000 87.5% 13.9 0s * 136 30 22 7.0000000 1.00000 85.7% 14.1 0s Cutting planes: Gomory: 3 Explored 364 nodes (6592 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%