Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:13:45 2012 Optimize a model with 4342 rows, 702 columns and 13624 nonzeros Presolve time: 0.05s Presolved: 4342 rows, 702 columns, 22967 nonzeros Variable types: 0 continuous, 702 integer (702 binary) Root relaxation: objective 2.000000e+00, 574 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 52 - 2.00000 - - 0s H 0 0 9.0000000 2.00000 77.8% - 0s 0 0 2.00000 0 52 9.00000 2.00000 77.8% - 0s 0 0 2.00000 0 52 9.00000 2.00000 77.8% - 0s H 0 0 8.0000000 2.00000 75.0% - 0s 0 0 3.89474 0 94 8.00000 3.89474 51.3% - 0s 0 0 6.50000 0 113 8.00000 6.50000 18.8% - 0s 0 0 7.00000 0 97 8.00000 7.00000 12.5% - 0s 0 0 7.00000 0 123 8.00000 7.00000 12.5% - 1s 0 0 7.00000 0 15 8.00000 7.00000 12.5% - 1s H 0 0 7.0000000 7.00000 0.0% - 1s Cutting planes: Clique: 23 Explored 0 nodes (8360 simplex iterations) in 1.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%