Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:19:08 2012 Optimize a model with 6039 rows, 3782 columns and 21655 nonzeros Presolve removed 674 rows and 183 columns Presolve time: 0.14s Presolved: 5365 rows, 3599 columns, 19825 nonzeros Variable types: 0 continuous, 3599 integer (3599 binary) Found heuristic solution: objective 37.0000000 Root relaxation: objective 3.000000e+00, 4248 iterations, 0.26 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 (6716 simplex iterations) in 0.60 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%