Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:48:02 2012 Optimize a model with 5000 rows, 10100 columns and 24700 nonzeros Presolve removed 34 rows and 3400 columns Presolve time: 0.13s Presolved: 4966 rows, 6700 columns, 21300 nonzeros Variable types: 0 continuous, 6700 integer (6700 binary) Found heuristic solution: objective 23.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 5146 iterations, 0.13 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 (5146 simplex iterations) in 0.28 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%