Gurobi 5.0.1 (linux64) logging started Sun Nov 18 04:08:09 2012 Optimize a model with 361 rows, 265 columns and 1165 nonzeros Presolve time: 0.00s Presolved: 361 rows, 265 columns, 1165 nonzeros Variable types: 0 continuous, 265 integer (265 binary) Found heuristic solution: objective 77.0000000 Root relaxation: objective 0.000000e+00, 116 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 84 77.00000 0.00000 100% - 0s H 0 0 74.0000000 0.00000 100% - 0s H 0 0 62.0000000 0.00000 100% - 0s 0 0 0.51250 0 85 62.00000 0.51250 99.2% - 0s 0 0 1.15574 0 87 62.00000 1.15574 98.1% - 0s H 0 0 60.0000000 1.15574 98.1% - 0s 0 0 1.30294 0 88 60.00000 1.30294 97.8% - 0s H 0 0 51.0000000 1.30294 97.4% - 0s 0 0 1.31379 0 92 51.00000 1.31379 97.4% - 0s 0 0 1.31379 0 92 51.00000 1.31379 97.4% - 0s 0 2 1.33524 0 92 51.00000 1.33524 97.4% - 0s * 46 46 29 43.0000000 3.68108 91.4% 31.5 0s * 48 42 31 42.0000000 3.68108 91.2% 30.6 0s * 88 58 28 40.0000000 3.72719 90.7% 30.7 0s * 117 67 15 36.0000000 5.97801 83.4% 31.2 0s * 758 333 27 35.0000000 13.34621 61.9% 30.2 1s H 1980 357 34.0000000 21.75410 36.0% 25.7 2s 5572 340 31.10345 21 110 34.00000 27.40000 19.4% 21.5 5s Explored 7442 nodes (153887 simplex iterations) in 6.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.400000000000e+01, best bound 3.400000000000e+01, gap 0.0%