Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:28 2012 Optimize a model with 1223 rows, 306 columns and 3891 nonzeros Presolve removed 767 rows and 2 columns Presolve time: 0.02s Presolved: 456 rows, 304 columns, 2358 nonzeros Variable types: 0 continuous, 304 integer (304 binary) Found heuristic solution: objective 17.0000000 Root relaxation: objective 5.000000e+00, 751 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5.00000 0 35 17.00000 5.00000 70.6% - 0s H 0 0 7.0000000 5.00000 28.6% - 0s H 0 0 6.0000000 5.00000 16.7% - 0s 0 0 5.00000 0 122 6.00000 5.00000 16.7% - 0s H 0 0 5.0000000 5.00000 0.0% - 0s Cutting planes: Gomory: 1 Clique: 1 Zero half: 1 Explored 0 nodes (1484 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%