Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:02:43 2012 Optimize a model with 333 rows, 192 columns and 1022 nonzeros Presolve time: 0.00s Presolved: 333 rows, 192 columns, 1022 nonzeros Variable types: 0 continuous, 192 integer (192 binary) Found heuristic solution: objective 85.0000000 Root relaxation: objective 0.000000e+00, 47 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 26 85.00000 0.00000 100% - 0s H 0 0 83.0000000 0.00000 100% - 0s H 0 0 81.0000000 0.00000 100% - 0s 0 0 1.05185 0 38 81.00000 1.05185 98.7% - 0s 0 0 1.10000 0 28 81.00000 1.10000 98.6% - 0s 0 0 1.10000 0 28 81.00000 1.10000 98.6% - 0s 0 0 1.15000 0 28 81.00000 1.15000 98.6% - 0s 0 0 1.15000 0 28 81.00000 1.15000 98.6% - 0s 0 0 1.15000 0 28 81.00000 1.15000 98.6% - 0s 0 0 1.15000 0 28 81.00000 1.15000 98.6% - 0s H 0 0 77.0000000 1.15000 98.5% - 0s 0 2 1.39216 0 28 77.00000 1.39216 98.2% - 0s * 231 135 18 72.0000000 20.10000 72.1% 30.4 0s * 393 201 16 70.0000000 24.30588 65.3% 27.8 0s * 448 214 15 67.0000000 26.35000 60.7% 27.1 0s * 1272 237 25 66.0000000 33.88235 48.7% 26.9 1s H 6092 311 65.0000000 52.00000 20.0% 22.1 4s 7502 72 62.00000 21 106 65.00000 60.00000 7.69% 21.5 5s Cutting planes: Gomory: 1 Zero half: 3 Explored 7599 nodes (162898 simplex iterations) in 5.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.500000000000e+01, best bound 6.500000000000e+01, gap 0.0%