Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:37:23 2012 Optimize a model with 359 rows, 240 columns and 1135 nonzeros Presolve time: 0.00s Presolved: 359 rows, 240 columns, 1135 nonzeros Variable types: 0 continuous, 240 integer (240 binary) Found heuristic solution: objective 79.0000000 Root relaxation: objective 0.000000e+00, 105 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 61 79.00000 0.00000 100% - 0s H 0 0 71.0000000 0.00000 100% - 0s H 0 0 70.0000000 0.00000 100% - 0s 0 0 1.02235 0 62 70.00000 1.02235 98.5% - 0s 0 0 2.00000 0 64 70.00000 2.00000 97.1% - 0s 0 0 2.00000 0 65 70.00000 2.00000 97.1% - 0s 0 0 2.00000 0 65 70.00000 2.00000 97.1% - 0s H 0 0 65.0000000 2.00000 96.9% - 0s 0 2 2.00000 0 64 65.00000 2.00000 96.9% - 0s * 54 52 33 56.0000000 2.00000 96.4% 33.0 0s * 99 77 28 52.0000000 2.00000 96.2% 33.0 0s * 100 72 28 51.0000000 2.00000 96.1% 32.8 0s H 357 256 49.0000000 7.21818 85.3% 33.0 0s H 403 259 47.0000000 8.03226 82.9% 31.5 0s H 963 409 46.0000000 17.25000 62.5% 31.4 1s H 2481 486 45.0000000 27.33333 39.3% 28.8 2s H 2536 486 44.0000000 27.35714 37.8% 28.7 2s * 3123 525 26 43.0000000 29.50000 31.4% 27.9 3s 5113 489 35.00000 18 112 43.00000 33.00000 23.3% 26.1 5s Cutting planes: Gomory: 3 Explored 7935 nodes (193529 simplex iterations) in 7.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.300000000000e+01, best bound 4.300000000000e+01, gap 0.0%