Gurobi 5.0.1 (linux64) logging started Fri Nov 16 19:04:45 2012 Optimize a model with 10287 rows, 16256 columns and 46609 nonzeros Presolve removed 35 rows and 4445 columns Presolve time: 0.19s Presolved: 10252 rows, 11811 columns, 42164 nonzeros Variable types: 0 continuous, 11811 integer (11811 binary) Found heuristic solution: objective 37.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 9358 iterations, 0.40 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 (9358 simplex iterations) in 0.60 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%