Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:56:35 2012 Optimize a model with 11466 rows, 16002 columns and 49896 nonzeros Presolve removed 280 rows and 3528 columns Presolve time: 0.22s Presolved: 11186 rows, 12474 columns, 45738 nonzeros Variable types: 0 continuous, 12474 integer (12474 binary) Found heuristic solution: objective 45.0000000 Root relaxation: objective 3.000000e+00, 12242 iterations, 0.65 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% - 1s Explored 0 nodes (15884 simplex iterations) in 1.40 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%