Gurobi 5.0.1 (linux64) logging started Sun Nov 18 04:34:38 2012 Optimize a model with 407 rows, 296 columns and 1311 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 407 rows, 295 columns, 1310 nonzeros Variable types: 0 continuous, 295 integer (294 binary) Found heuristic solution: objective 93.0000000 Root relaxation: objective 0.000000e+00, 128 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 91 93.00000 0.00000 100% - 0s H 0 0 75.0000000 0.00000 100% - 0s H 0 0 74.0000000 0.00000 100% - 0s H 0 0 72.0000000 0.00000 100% - 0s 0 0 0.62166 0 92 72.00000 0.62166 99.1% - 0s H 0 0 70.0000000 0.62166 99.1% - 0s 0 0 1.00000 0 94 70.00000 1.00000 98.6% - 0s H 0 0 66.0000000 1.00000 98.5% - 0s 0 0 1.00000 0 91 66.00000 1.00000 98.5% - 0s H 0 0 65.0000000 1.00000 98.5% - 0s H 0 0 63.0000000 1.00000 98.4% - 0s 0 2 1.00000 0 91 63.00000 1.00000 98.4% - 0s * 38 32 24 38.0000000 5.88889 84.5% 34.6 0s * 153 107 15 37.0000000 11.00000 70.3% 30.8 0s H 491 242 36.0000000 15.00000 58.3% 29.2 0s * 3502 283 29 35.0000000 26.20000 25.1% 25.7 4s 4265 147 33.50000 27 124 35.00000 29.16438 16.7% 25.4 5s Cutting planes: Gomory: 1 Explored 4623 nodes (116147 simplex iterations) in 5.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.500000000000e+01, best bound 3.500000000000e+01, gap 0.0%