Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:19:03 2012 Optimize a model with 5246 rows, 3782 columns and 19276 nonzeros Presolve removed 675 rows and 244 columns Presolve time: 0.12s Presolved: 4571 rows, 3538 columns, 17385 nonzeros Variable types: 0 continuous, 3538 integer (3538 binary) Found heuristic solution: objective 34.0000000 Root relaxation: objective 3.000000e+00, 5403 iterations, 0.33 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 (7623 simplex iterations) in 0.63 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%