Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:49:45 2012 Optimize a model with 2647 rows, 104 columns and 5294 nonzeros Presolve removed 1871 rows and 0 columns Presolve time: 0.09s Presolved: 776 rows, 104 columns, 5294 nonzeros Variable types: 0 continuous, 104 integer (104 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.482598e+01, 373 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 14.82598 0 100 7.00000 14.82598 112% - 0s H 0 0 9.0000000 14.82598 64.7% - 0s 0 0 14.44594 0 103 9.00000 14.44594 60.5% - 0s 0 0 14.33242 0 104 9.00000 14.33242 59.2% - 0s 0 0 14.27728 0 104 9.00000 14.27728 58.6% - 0s H 0 0 10.0000000 14.27728 42.8% - 0s 0 0 14.25816 0 103 10.00000 14.25816 42.6% - 0s 0 0 14.24461 0 103 10.00000 14.24461 42.4% - 0s 0 0 14.23120 0 104 10.00000 14.23120 42.3% - 0s 0 0 14.21601 0 104 10.00000 14.21601 42.2% - 0s 0 0 14.21525 0 104 10.00000 14.21525 42.2% - 1s 0 0 14.21330 0 104 10.00000 14.21330 42.1% - 1s 0 0 14.19948 0 104 10.00000 14.19948 42.0% - 1s 0 0 14.18449 0 104 10.00000 14.18449 41.8% - 1s 0 0 14.18324 0 104 10.00000 14.18324 41.8% - 1s 0 0 14.18321 0 104 10.00000 14.18321 41.8% - 1s 0 0 14.18321 0 104 10.00000 14.18321 41.8% - 1s 0 2 14.18238 0 104 10.00000 14.18238 41.8% - 2s Cutting planes: Clique: 69 Explored 96 nodes (8179 simplex iterations) in 2.47 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%