Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:09:59 2012 Optimize a model with 575 rows, 600 columns and 2206 nonzeros Presolve removed 103 rows and 122 columns Presolve time: 0.02s Presolved: 472 rows, 478 columns, 1806 nonzeros Variable types: 0 continuous, 478 integer (478 binary) Found heuristic solution: objective 24.0000000 Root relaxation: objective 3.000000e+00, 388 iterations, 0.00 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 (640 simplex iterations) in 0.03 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%