Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:57:11 2012 Optimize a model with 11168 rows, 5402 columns and 38542 nonzeros Presolve removed 586 rows and 2 columns Presolve time: 0.52s Presolved: 10655 rows, 5400 columns, 42121 nonzeros Variable types: 0 continuous, 5400 integer (5400 binary) Found heuristic solution: objective 73.0000000 Root relaxation: objective 3.000000e+00, 8543 iterations, 1.33 seconds Total elapsed time = 5.07s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 92 73.00000 3.00000 95.9% - 5s H 0 0 36.0000000 3.00000 91.7% - 5s H 0 0 5.0000000 3.00000 40.0% - 5s H 0 0 4.0000000 3.00000 25.0% - 5s 0 0 3.00000 0 90 4.00000 3.00000 25.0% - 5s H 0 0 3.0000000 3.00000 0.0% - 5s Cutting planes: Gomory: 1 Zero half: 4 Explored 0 nodes (31956 simplex iterations) in 5.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%