Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:22:50 2012 Optimize a model with 6666 rows, 4422 columns and 24156 nonzeros Presolve removed 533 rows and 330 columns Presolve time: 0.14s Presolved: 6133 rows, 4092 columns, 22506 nonzeros Variable types: 0 continuous, 4092 integer (4092 binary) Found heuristic solution: objective 33.0000000 Root relaxation: objective 3.000000e+00, 6470 iterations, 0.46 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 (8409 simplex iterations) in 0.84 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%