Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:02:40 2012 Optimize a model with 7910 rows, 12882 columns and 36160 nonzeros Presolve removed 257 rows and 3503 columns Presolve time: 0.16s Presolved: 7653 rows, 9379 columns, 32092 nonzeros Variable types: 0 continuous, 9379 integer (9379 binary) Found heuristic solution: objective 34.0000000 Root relaxation: objective 3.000000e+00, 9649 iterations, 0.31 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (13036 simplex iterations) in 0.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%