Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:53:13 2012 Optimize a model with 14699 rows, 22650 columns and 65998 nonzeros Presolve removed 41 rows and 5852 columns Presolve time: 0.27s Presolved: 14658 rows, 16798 columns, 59952 nonzeros Variable types: 0 continuous, 16798 integer (16798 binary) Found heuristic solution: objective 150.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 222 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 122 3.00000 2.00000 33.3% - 0s Explored 0 nodes (392 simplex iterations) in 0.35 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%