Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:09:37 2012 Optimize a model with 13299 rows, 17822 columns and 57055 nonzeros Presolve removed 294 rows and 3460 columns Presolve time: 0.27s Presolved: 13005 rows, 14362 columns, 52736 nonzeros Variable types: 0 continuous, 14362 integer (14362 binary) Found heuristic solution: objective 133.0000000 Root relaxation: objective 3.000000e+00, 10343 iterations, 0.68 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 (10343 simplex iterations) in 0.99 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%