Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:59 2012 Optimize a model with 363 rows, 355 columns and 1260 nonzeros Presolve removed 0 rows and 23 columns Presolve time: 0.00s Presolved: 363 rows, 332 columns, 1237 nonzeros Variable types: 0 continuous, 332 integer (331 binary) Found heuristic solution: objective 67.0000000 Root relaxation: objective 0.000000e+00, 224 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 0 146 67.00000 0.00000 100% - 0s H 0 0 57.0000000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s H 0 0 41.0000000 0.00000 100% - 0s 0 0 0.25142 0 148 41.00000 0.25142 99.4% - 0s 0 0 0.68806 0 148 41.00000 0.68806 98.3% - 0s H 0 0 24.0000000 0.68806 97.1% - 0s H 0 0 22.0000000 0.68806 96.9% - 0s 0 0 0.69046 0 149 22.00000 0.69046 96.9% - 0s 0 0 0.69046 0 149 22.00000 0.69046 96.9% - 0s 0 2 0.69088 0 149 22.00000 0.69088 96.9% - 0s * 22 22 16 12.0000000 1.00000 91.7% 29.3 0s * 338 120 18 11.0000000 1.00000 90.9% 22.3 0s * 658 99 14 10.0000000 6.22917 37.7% 21.3 0s Cutting planes: Gomory: 2 Zero half: 3 Explored 830 nodes (17720 simplex iterations) in 0.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%