Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:33:07 2012 Optimize a model with 5184 rows, 144 columns and 10368 nonzeros Presolve removed 3735 rows and 0 columns Presolve time: 0.20s Presolved: 1449 rows, 144 columns, 10399 nonzeros Variable types: 0 continuous, 144 integer (144 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.814670e+01, 732 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18.14670 0 141 7.00000 18.14670 159% - 0s H 0 0 9.0000000 18.14670 102% - 0s 0 0 17.75443 0 144 9.00000 17.75443 97.3% - 0s 0 0 17.65001 0 144 9.00000 17.65001 96.1% - 0s H 0 0 10.0000000 17.65001 76.5% - 0s 0 0 17.58418 0 144 10.00000 17.58418 75.8% - 0s 0 0 17.51405 0 144 10.00000 17.51405 75.1% - 1s 0 0 17.48741 0 144 10.00000 17.48741 74.9% - 1s 0 0 17.47636 0 144 10.00000 17.47636 74.8% - 1s 0 0 17.45001 0 144 10.00000 17.45001 74.5% - 1s 0 0 17.41765 0 144 10.00000 17.41765 74.2% - 1s 0 0 17.40349 0 144 10.00000 17.40349 74.0% - 2s 0 0 17.38789 0 144 10.00000 17.38789 73.9% - 2s 0 0 17.37384 0 144 10.00000 17.37384 73.7% - 2s 0 0 17.35081 0 144 10.00000 17.35081 73.5% - 2s 0 0 17.33790 0 143 10.00000 17.33790 73.4% - 2s 0 0 17.33180 0 144 10.00000 17.33180 73.3% - 3s 0 0 17.32535 0 144 10.00000 17.32535 73.3% - 3s 0 0 17.32441 0 144 10.00000 17.32441 73.2% - 3s 0 0 17.32423 0 144 10.00000 17.32423 73.2% - 3s 0 0 17.32421 0 144 10.00000 17.32421 73.2% - 3s 0 2 17.32380 0 144 10.00000 17.32380 73.2% - 4s 45 47 12.32396 45 94 10.00000 17.32234 73.2% 114 5s 622 203 11.19843 5 39 10.00000 13.52985 35.3% 81.5 10s Cutting planes: Clique: 185 Explored 913 nodes (70887 simplex iterations) in 13.27 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%