Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:55:46 2012 Optimize a model with 3348 rows, 117 columns and 6696 nonzeros Presolve removed 2416 rows and 0 columns Presolve time: 0.11s Presolved: 932 rows, 117 columns, 6427 nonzeros Variable types: 0 continuous, 117 integer (117 binary) Found heuristic solution: objective 9.0000000 Root relaxation: objective 1.592036e+01, 466 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15.92036 0 114 9.00000 15.92036 76.9% - 0s 0 0 15.59931 0 116 9.00000 15.59931 73.3% - 0s 0 0 15.55482 0 116 9.00000 15.55482 72.8% - 0s 0 0 15.50016 0 115 9.00000 15.50016 72.2% - 0s 0 0 15.44246 0 117 9.00000 15.44246 71.6% - 0s 0 0 15.42282 0 117 9.00000 15.42282 71.4% - 0s 0 0 15.41807 0 117 9.00000 15.41807 71.3% - 1s 0 0 15.41501 0 116 9.00000 15.41501 71.3% - 1s 0 0 15.41254 0 117 9.00000 15.41254 71.3% - 1s 0 0 15.41156 0 117 9.00000 15.41156 71.2% - 1s 0 0 15.41141 0 117 9.00000 15.41141 71.2% - 1s 0 0 15.41135 0 116 9.00000 15.41135 71.2% - 1s 0 0 15.41119 0 116 9.00000 15.41119 71.2% - 2s 0 2 15.41074 0 116 9.00000 15.41074 71.2% - 2s H 406 81 10.0000000 12.52528 25.3% 56.3 3s Cutting planes: Clique: 83 Explored 496 nodes (27121 simplex iterations) in 4.00 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%