Gurobi 5.0.1 (linux64) logging started Fri Nov 16 16:33:06 2012 Optimize a model with 9702 rows, 6006 columns and 34804 nonzeros Presolve removed 770 rows and 0 columns Presolve time: 0.16s Presolved: 8932 rows, 6006 columns, 32879 nonzeros Variable types: 0 continuous, 6006 integer (6006 binary) Found heuristic solution: objective 39.0000000 Root relaxation: objective 3.000000e+00, 9046 iterations, 0.66 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% - 1s Explored 0 nodes (15228 simplex iterations) in 1.51 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%