Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:36:28 2012 Optimize a model with 39 rows, 182 columns and 247 nonzeros Presolve removed 9 rows and 117 columns Presolve time: 0.00s Presolved: 30 rows, 65 columns, 130 nonzeros Variable types: 0 continuous, 65 integer (65 binary) Found heuristic solution: objective 3.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 32 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 2.00000 1.00000 50.0% - 0s Explored 0 nodes (32 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%