Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:36:27 2012 Optimize a model with 8364 rows, 15252 columns and 39852 nonzeros Presolve removed 40 rows and 4920 columns Presolve time: 0.16s Presolved: 8324 rows, 10332 columns, 34932 nonzeros Variable types: 0 continuous, 10332 integer (10332 binary) Found heuristic solution: objective 29.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 7025 iterations, 0.17 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 (7025 simplex iterations) in 0.35 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%