Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:15:59 2012 Optimize a model with 5720 rows, 3080 columns and 20020 nonzeros Presolve removed 936 rows and 55 columns Presolve time: 0.13s Presolved: 4784 rows, 3025 columns, 17765 nonzeros Variable types: 0 continuous, 3025 integer (3025 binary) Found heuristic solution: objective 37.0000000 Root relaxation: objective 3.000000e+00, 5359 iterations, 0.52 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (7703 simplex iterations) in 0.86 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%