Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:03:30 2012 Optimize a model with 3962 rows, 127 columns and 7924 nonzeros Presolve removed 2795 rows and 0 columns Presolve time: 0.14s Presolved: 1167 rows, 127 columns, 8286 nonzeros Variable types: 0 continuous, 127 integer (127 binary) Found heuristic solution: objective 9.0000000 Root relaxation: objective 1.703414e+01, 551 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17.03414 0 124 9.00000 17.03414 89.3% - 0s 0 0 16.67438 0 124 9.00000 16.67438 85.3% - 0s 0 0 16.56379 0 126 9.00000 16.56379 84.0% - 0s 0 0 16.54000 0 126 9.00000 16.54000 83.8% - 0s 0 0 16.53623 0 125 9.00000 16.53623 83.7% - 0s 0 0 16.52659 0 124 9.00000 16.52659 83.6% - 0s H 0 0 10.0000000 16.52659 65.3% - 0s 0 0 16.51097 0 124 10.00000 16.51097 65.1% - 1s 0 0 16.50684 0 125 10.00000 16.50684 65.1% - 1s 0 0 16.49482 0 126 10.00000 16.49482 64.9% - 1s 0 0 16.48977 0 126 10.00000 16.48977 64.9% - 1s 0 0 16.47460 0 125 10.00000 16.47460 64.7% - 1s 0 0 16.47135 0 125 10.00000 16.47135 64.7% - 2s 0 0 16.47022 0 125 10.00000 16.47022 64.7% - 2s 0 0 16.46888 0 126 10.00000 16.46888 64.7% - 2s 0 0 16.46863 0 126 10.00000 16.46863 64.7% - 2s 0 0 16.46860 0 126 10.00000 16.46860 64.7% - 2s 0 2 16.46797 0 126 10.00000 16.46797 64.7% - 3s 290 114 11.97064 18 56 10.00000 14.06488 40.6% 71.8 5s Cutting planes: Clique: 92 Zero half: 1 Explored 524 nodes (36100 simplex iterations) in 6.18 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%