Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:22:18 2012 Optimize a model with 4795 rows, 139 columns and 9590 nonzeros Presolve removed 3474 rows and 0 columns Presolve time: 0.18s Presolved: 1321 rows, 139 columns, 9402 nonzeros Variable types: 0 continuous, 139 integer (139 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.757594e+01, 672 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17.57594 0 137 7.00000 17.57594 151% - 0s H 0 0 8.0000000 17.57594 120% - 0s 0 0 17.14047 0 138 8.00000 17.14047 114% - 0s 0 0 17.05355 0 138 8.00000 17.05355 113% - 0s H 0 0 9.0000000 17.05355 89.5% - 0s 0 0 17.00431 0 139 9.00000 17.00431 88.9% - 0s 0 0 16.97721 0 139 9.00000 16.97721 88.6% - 1s 0 0 16.95733 0 139 9.00000 16.95733 88.4% - 1s 0 0 16.95139 0 139 9.00000 16.95139 88.3% - 1s 0 0 16.94479 0 139 9.00000 16.94479 88.3% - 1s H 0 0 10.0000000 16.94479 69.4% - 1s 0 0 16.93222 0 139 10.00000 16.93222 69.3% - 1s 0 0 16.92905 0 139 10.00000 16.92905 69.3% - 2s 0 0 16.92560 0 137 10.00000 16.92560 69.3% - 2s 0 0 16.92502 0 138 10.00000 16.92502 69.3% - 2s 0 0 16.92445 0 139 10.00000 16.92445 69.2% - 2s 0 0 16.92426 0 138 10.00000 16.92426 69.2% - 2s 0 0 16.92424 0 138 10.00000 16.92424 69.2% - 3s 0 2 16.92174 0 138 10.00000 16.92174 69.2% - 3s 236 133 11.17457 22 57 10.00000 15.93315 59.3% 79.1 5s Cutting planes: Clique: 126 Explored 699 nodes (53582 simplex iterations) in 8.03 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%