Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:29:59 2012 Optimize a model with 353 rows, 252 columns and 1132 nonzeros Presolve time: 0.00s Presolved: 353 rows, 252 columns, 1132 nonzeros Variable types: 0 continuous, 252 integer (252 binary) Found heuristic solution: objective 78.0000000 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 76 78.00000 0.00000 100% - 0s H 0 0 76.0000000 0.00000 100% - 0s H 0 0 75.0000000 0.00000 100% - 0s 0 0 0.65517 0 77 75.00000 0.65517 99.1% - 0s H 0 0 69.0000000 0.65517 99.1% - 0s 0 0 1.19453 0 79 69.00000 1.19453 98.3% - 0s H 0 0 67.0000000 1.19453 98.2% - 0s 0 0 1.24963 0 82 67.00000 1.24963 98.1% - 0s H 0 0 60.0000000 1.24963 97.9% - 0s 0 0 1.25968 0 83 60.00000 1.25968 97.9% - 0s 0 2 1.27305 0 83 60.00000 1.27305 97.9% - 0s * 40 36 24 41.0000000 4.50178 89.0% 30.9 0s * 76 60 24 40.0000000 4.70606 88.2% 29.1 0s * 146 90 14 34.0000000 9.04817 73.4% 28.8 0s 5457 146 29.64286 23 100 34.00000 26.88889 20.9% 23.7 5s * 5748 95 25 33.0000000 28.00000 15.2% 23.5 5s Explored 5965 nodes (139128 simplex iterations) in 5.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.300000000000e+01, best bound 3.300000000000e+01, gap 0.0%