Gurobi 5.0.1 (linux64) logging started Fri Nov 16 19:34:02 2012 Optimize a model with 10319 rows, 16770 columns and 47083 nonzeros Presolve removed 554 rows and 4646 columns Presolve time: 0.19s Presolved: 9765 rows, 12124 columns, 40997 nonzeros Variable types: 0 continuous, 12124 integer (12124 binary) Found heuristic solution: objective 129.0000000 Root relaxation: objective 3.000000e+00, 6188 iterations, 0.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 12 129.00000 3.00000 97.7% - 2s H 0 0 3.0000000 3.00000 0.0% - 2s Explored 0 nodes (18406 simplex iterations) in 2.46 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%