Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:37:03 2012 Optimize a model with 5244 rows, 145 columns and 10488 nonzeros Presolve removed 3786 rows and 0 columns Presolve time: 0.21s Presolved: 1458 rows, 145 columns, 10610 nonzeros Variable types: 0 continuous, 145 integer (145 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.852678e+01, 723 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18.52678 0 142 7.00000 18.52678 165% - 0s H 0 0 8.0000000 18.52678 132% - 0s 0 0 17.95682 0 143 8.00000 17.95682 124% - 0s H 0 0 10.0000000 17.95682 79.6% - 0s 0 0 17.81365 0 145 10.00000 17.81365 78.1% - 0s 0 0 17.69602 0 144 10.00000 17.69602 77.0% - 0s 0 0 17.64242 0 144 10.00000 17.64242 76.4% - 1s 0 0 17.63959 0 144 10.00000 17.63959 76.4% - 1s 0 0 17.63933 0 144 10.00000 17.63933 76.4% - 1s 0 0 17.63038 0 143 10.00000 17.63038 76.3% - 1s 0 0 17.61193 0 143 10.00000 17.61193 76.1% - 1s 0 0 17.60864 0 144 10.00000 17.60864 76.1% - 2s 0 0 17.60592 0 144 10.00000 17.60592 76.1% - 2s 0 0 17.60470 0 145 10.00000 17.60470 76.0% - 2s 0 0 17.60449 0 145 10.00000 17.60449 76.0% - 2s 0 0 17.60448 0 145 10.00000 17.60448 76.0% - 3s 0 2 17.60326 0 145 10.00000 17.60326 76.0% - 3s 183 137 14.28287 6 76 10.00000 16.88400 68.8% 92.6 5s 738 211 11.30045 6 40 10.00000 13.41898 34.2% 77.1 10s Cutting planes: Clique: 161 Explored 1017 nodes (74700 simplex iterations) in 12.81 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%