Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:13:48 2012 Optimize a model with 4082 rows, 702 columns and 12844 nonzeros Presolve time: 0.05s Presolved: 4082 rows, 702 columns, 19793 nonzeros Variable types: 0 continuous, 702 integer (702 binary) Root relaxation: objective 2.000000e+00, 1111 iterations, 0.04 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 H 0 0 8.0000000 2.00000 75.0% - 0s 0 0 2.00000 0 52 8.00000 2.00000 75.0% - 0s H 0 0 7.0000000 2.00000 71.4% - 0s 0 0 2.40000 0 88 7.00000 2.40000 65.7% - 0s H 0 0 6.0000000 2.40000 60.0% - 0s 0 0 4.50000 0 167 6.00000 4.50000 25.0% - 0s 0 0 5.00000 0 204 6.00000 5.00000 16.7% - 0s 0 0 5.00000 0 143 6.00000 5.00000 16.7% - 0s 0 0 5.00000 0 214 6.00000 5.00000 16.7% - 1s 0 0 5.00000 0 43 6.00000 5.00000 16.7% - 1s 0 0 5.00000 0 24 6.00000 5.00000 16.7% - 2s 0 0 5.00000 0 59 6.00000 5.00000 16.7% - 2s 0 0 5.00000 0 37 6.00000 5.00000 16.7% - 3s 0 0 5.00000 0 43 6.00000 5.00000 16.7% - 3s 0 0 5.00000 0 56 6.00000 5.00000 16.7% - 3s 0 0 5.00000 0 78 6.00000 5.00000 16.7% - 4s 0 0 5.00000 0 34 6.00000 5.00000 16.7% - 4s 0 2 5.00000 0 34 6.00000 5.00000 16.7% - 4s 2 3 5.00000 1 34 6.00000 5.00000 16.7% 529 5s 11 9 5.00000 1 96 6.00000 5.00000 16.7% 96.2 10s 16 14 5.00000 16 141 6.00000 5.00000 16.7% 2430 15s Cutting planes: Gomory: 14 Clique: 11 Zero half: 23 Explored 72 nodes (77265 simplex iterations) in 17.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%