Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:48:28 2012 Optimize a model with 499 rows, 471 columns and 1716 nonzeros Presolve removed 0 rows and 20 columns Presolve time: 0.00s Presolved: 499 rows, 451 columns, 1696 nonzeros Variable types: 0 continuous, 451 integer (450 binary) Found heuristic solution: objective 95.0000000 Root relaxation: objective 0.000000e+00, 245 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 0 193 95.00000 0.00000 100% - 0s H 0 0 71.0000000 0.00000 100% - 0s H 0 0 70.0000000 0.00000 100% - 0s H 0 0 66.0000000 0.00000 100% - 0s 0 0 0.39908 0 194 66.00000 0.39908 99.4% - 0s H 0 0 65.0000000 0.39908 99.4% - 0s 0 0 1.00000 0 196 65.00000 1.00000 98.5% - 0s H 0 0 59.0000000 1.00000 98.3% - 0s 0 0 1.13020 0 197 59.00000 1.13020 98.1% - 0s H 0 0 55.0000000 1.13020 97.9% - 0s 0 0 1.13495 0 199 55.00000 1.13495 97.9% - 0s 0 0 1.13495 0 199 55.00000 1.13495 97.9% - 0s H 0 0 48.0000000 1.13495 97.6% - 0s H 0 0 45.0000000 1.13495 97.5% - 0s H 0 0 44.0000000 1.13495 97.4% - 0s 0 2 1.13766 0 199 44.00000 1.13766 97.4% - 0s H 27 27 40.0000000 1.29436 96.8% 58.7 0s H 54 32 16.0000000 1.29436 91.9% 41.9 0s H 273 81 14.0000000 1.52748 89.1% 38.2 0s Cutting planes: Gomory: 4 Mod-K: 1 Explored 684 nodes (26565 simplex iterations) in 1.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%