Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:12 2012 Optimize a model with 201 rows, 158 columns and 658 nonzeros Presolve time: 0.00s Presolved: 201 rows, 158 columns, 658 nonzeros Variable types: 0 continuous, 158 integer (158 binary) Found heuristic solution: objective 39.0000000 Root relaxation: objective 0.000000e+00, 108 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 58 39.00000 0.00000 100% - 0s H 0 0 31.0000000 0.00000 100% - 0s 0 0 0.62097 0 62 31.00000 0.62097 98.0% - 0s H 0 0 28.0000000 0.62097 97.8% - 0s 0 0 0.73077 0 62 28.00000 0.73077 97.4% - 0s 0 0 0.81197 0 62 28.00000 0.81197 97.1% - 0s 0 0 0.82456 0 61 28.00000 0.82456 97.1% - 0s 0 0 0.84475 0 63 28.00000 0.84475 97.0% - 0s 0 0 0.84475 0 62 28.00000 0.84475 97.0% - 0s 0 0 0.84475 0 62 28.00000 0.84475 97.0% - 0s 0 0 0.84475 0 62 28.00000 0.84475 97.0% - 0s H 0 0 26.0000000 0.84475 96.8% - 0s H 0 0 22.0000000 0.84475 96.2% - 0s 0 2 0.85775 0 62 22.00000 0.85775 96.1% - 0s * 24 20 20 16.0000000 2.70833 83.1% 18.3 0s * 42 22 14 15.0000000 2.70909 81.9% 17.3 0s Cutting planes: Gomory: 1 Zero half: 7 Explored 266 nodes (4816 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%