Gurobi 5.0.1 (linux64) logging started Fri Nov 16 19:34:29 2012 Optimize a model with 13415 rows, 16770 columns and 56371 nonzeros Presolve removed 260 rows and 2 columns Presolve time: 0.23s Presolved: 13284 rows, 16768 columns, 72163 nonzeros Variable types: 0 continuous, 16768 integer (16768 binary) Found heuristic solution: objective 129.0000000 Root relaxation: objective 3.000000e+00, 10344 iterations, 0.78 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% - 3s Explored 0 nodes (19871 simplex iterations) in 3.62 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%