Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:39:07 2012 Optimize a model with 5330 rows, 146 columns and 10660 nonzeros Presolve removed 3881 rows and 0 columns Presolve time: 0.23s Presolved: 1449 rows, 146 columns, 10593 nonzeros Variable types: 0 continuous, 146 integer (146 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.820346e+01, 738 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18.20346 0 146 7.00000 18.20346 160% - 0s H 0 0 8.0000000 18.20346 128% - 0s 0 0 17.89646 0 144 8.00000 17.89646 124% - 0s 0 0 17.84493 0 145 8.00000 17.84493 123% - 0s 0 0 17.81110 0 145 8.00000 17.81110 123% - 0s 0 0 17.80850 0 145 8.00000 17.80850 123% - 1s H 0 0 9.0000000 17.80850 97.9% - 1s 0 0 17.80676 0 145 9.00000 17.80676 97.9% - 1s 0 0 17.80098 0 145 9.00000 17.80098 97.8% - 1s H 0 0 10.0000000 17.80098 78.0% - 1s 0 0 17.76576 0 144 10.00000 17.76576 77.7% - 1s 0 0 17.75257 0 144 10.00000 17.75257 77.5% - 1s 0 0 17.75086 0 144 10.00000 17.75086 77.5% - 2s 0 0 17.74653 0 144 10.00000 17.74653 77.5% - 2s 0 0 17.73737 0 144 10.00000 17.73737 77.4% - 2s 0 0 17.73438 0 145 10.00000 17.73438 77.3% - 2s 0 0 17.72999 0 144 10.00000 17.72999 77.3% - 2s 0 0 17.72977 0 144 10.00000 17.72977 77.3% - 3s 0 2 17.72914 0 144 10.00000 17.72914 77.3% - 3s 121 100 13.12400 8 64 10.00000 17.25388 72.5% 98.6 5s 693 221 11.07006 3 34 10.00000 13.68866 36.9% 84.4 10s Cutting planes: Clique: 70 Explored 1001 nodes (79971 simplex iterations) in 13.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%