Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:52:20 2012 Optimize a model with 18055 rows, 22052 columns and 75478 nonzeros Presolve removed 298 rows and 2 columns Presolve time: 0.34s Presolved: 17905 rows, 22050 columns, 96402 nonzeros Variable types: 0 continuous, 22050 integer (22050 binary) Found heuristic solution: objective 148.0000000 Root relaxation: objective 3.000000e+00, 12363 iterations, 1.18 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% - 4s Explored 0 nodes (25453 simplex iterations) in 4.18 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%