Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:58 2012 Optimize a model with 307 rows, 327 columns and 1092 nonzeros Presolve removed 0 rows and 30 columns Presolve time: 0.00s Presolved: 307 rows, 297 columns, 1062 nonzeros Variable types: 0 continuous, 297 integer (296 binary) Found heuristic solution: objective 49.0000000 Root relaxation: objective 0.000000e+00, 213 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 0 128 49.00000 0.00000 100% - 0s H 0 0 41.0000000 0.00000 100% - 0s H 0 0 40.0000000 0.00000 100% - 0s H 0 0 36.0000000 0.00000 100% - 0s 0 0 0.25465 0 130 36.00000 0.25465 99.3% - 0s H 0 0 33.0000000 0.25465 99.2% - 0s 0 0 0.87546 0 134 33.00000 0.87546 97.3% - 0s H 0 0 32.0000000 0.87546 97.3% - 0s H 0 0 28.0000000 0.87546 96.9% - 0s 0 0 0.87629 0 136 28.00000 0.87629 96.9% - 0s 0 0 0.87629 0 136 28.00000 0.87629 96.9% - 0s H 0 0 25.0000000 0.87629 96.5% - 0s H 0 0 21.0000000 0.87629 95.8% - 0s H 0 0 10.0000000 0.87629 91.2% - 0s 0 2 0.87650 0 136 10.00000 0.87650 91.2% - 0s H 27 11 5.0000000 1.00000 80.0% 18.7 0s Cutting planes: Gomory: 4 Zero half: 3 Explored 98 nodes (2805 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%