Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:58:07 2012 Optimize a model with 3576 rows, 120 columns and 7152 nonzeros Presolve removed 2465 rows and 0 columns Presolve time: 0.14s Presolved: 1111 rows, 120 columns, 7857 nonzeros Variable types: 0 continuous, 120 integer (120 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.619639e+01, 548 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 16.19639 0 117 7.00000 16.19639 131% - 0s 0 0 15.78744 0 120 7.00000 15.78744 126% - 0s 0 0 15.71840 0 120 7.00000 15.71840 125% - 0s H 0 0 8.0000000 15.71840 96.5% - 0s 0 0 15.70109 0 119 8.00000 15.70109 96.3% - 0s 0 0 15.69119 0 119 8.00000 15.69119 96.1% - 0s H 0 0 9.0000000 15.69119 74.3% - 0s 0 0 15.68166 0 119 9.00000 15.68166 74.2% - 1s 0 0 15.67167 0 120 9.00000 15.67167 74.1% - 1s 0 0 15.66913 0 120 9.00000 15.66913 74.1% - 1s 0 0 15.66327 0 120 9.00000 15.66327 74.0% - 1s 0 0 15.64608 0 120 9.00000 15.64608 73.8% - 1s 0 0 15.63898 0 120 9.00000 15.63898 73.8% - 1s 0 0 15.63301 0 120 9.00000 15.63301 73.7% - 2s 0 0 15.63019 0 120 9.00000 15.63019 73.7% - 2s 0 0 15.62880 0 120 9.00000 15.62880 73.7% - 2s 0 0 15.62867 0 120 9.00000 15.62867 73.7% - 2s 0 0 15.62864 0 120 9.00000 15.62864 73.7% - 2s 0 2 15.62634 0 120 9.00000 15.62634 73.6% - 3s * 109 58 7 10.0000000 15.02230 50.2% 75.7 3s Cutting planes: Clique: 75 Explored 278 nodes (21769 simplex iterations) in 4.88 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%