Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:12:53 2012 Optimize a model with 3266 rows, 2162 columns and 11776 nonzeros Presolve removed 279 rows and 138 columns Presolve time: 0.06s Presolved: 2987 rows, 2024 columns, 10948 nonzeros Variable types: 0 continuous, 2024 integer (2024 binary) Found heuristic solution: objective 23.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 2955 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 3.00000 2.00000 33.3% - 0s Explored 0 nodes (2955 simplex iterations) in 0.19 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%