Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:20:20 2012 Optimize a model with 5922 rows, 4032 columns and 21546 nonzeros Presolve removed 569 rows and 126 columns Presolve time: 0.13s Presolved: 5353 rows, 3906 columns, 20034 nonzeros Variable types: 0 continuous, 3906 integer (3906 binary) Found heuristic solution: objective 25.0000000 Root relaxation: objective 3.000000e+00, 5561 iterations, 0.40 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 (7218 simplex iterations) in 0.72 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%