Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:09:58 2012 Optimize a model with 13299 rows, 17822 columns and 57055 nonzeros Presolve removed 268 rows and 2 columns Presolve time: 0.22s Presolved: 13164 rows, 17820 columns, 73883 nonzeros Variable types: 0 continuous, 17820 integer (17820 binary) Found heuristic solution: objective 133.0000000 Root relaxation: objective 3.000000e+00, 10118 iterations, 0.71 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 24 133.00000 3.00000 97.7% - 3s H 0 0 3.0000000 3.00000 0.0% - 3s Explored 0 nodes (24842 simplex iterations) in 3.88 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%