Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:09:54 2012 Optimize a model with 252 rows, 462 columns and 1134 nonzeros Presolve removed 5 rows and 105 columns Presolve time: 0.00s Presolved: 247 rows, 357 columns, 1029 nonzeros Variable types: 0 continuous, 357 integer (357 binary) Found heuristic solution: objective 8.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 198 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 (198 simplex iterations) in 0.01 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%