Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:28:34 2012 Optimize a model with 483 rows, 458 columns and 1663 nonzeros Presolve removed 0 rows and 15 columns Presolve time: 0.00s Presolved: 483 rows, 443 columns, 1648 nonzeros Variable types: 0 continuous, 443 integer (442 binary) Found heuristic solution: objective 99.0000000 Root relaxation: objective 0.000000e+00, 244 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 0 189 99.00000 0.00000 100% - 0s H 0 0 77.0000000 0.00000 100% - 0s H 0 0 67.0000000 0.00000 100% - 0s H 0 0 61.0000000 0.00000 100% - 0s 0 0 0.39620 0 190 61.00000 0.39620 99.4% - 0s H 0 0 59.0000000 0.39620 99.3% - 0s 0 0 1.00000 0 194 59.00000 1.00000 98.3% - 0s H 0 0 52.0000000 1.00000 98.1% - 0s 0 0 1.00000 0 195 52.00000 1.00000 98.1% - 0s 0 0 1.00000 0 194 52.00000 1.00000 98.1% - 0s H 0 0 51.0000000 1.00000 98.0% - 0s H 0 0 43.0000000 1.00000 97.7% - 0s H 0 0 42.0000000 1.00000 97.6% - 0s H 0 0 34.0000000 1.00000 97.1% - 0s 0 2 1.00000 0 193 34.00000 1.00000 97.1% - 0s H 27 27 28.0000000 1.32549 95.3% 50.7 0s H 54 42 16.0000000 1.32549 91.7% 32.5 0s H 82 45 15.0000000 1.38954 90.7% 30.0 0s * 126 62 13 14.0000000 2.40521 82.8% 32.9 0s Cutting planes: Gomory: 3 Mod-K: 1 Explored 590 nodes (19008 simplex iterations) in 0.80 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%