Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:56:15 2012 Optimize a model with 19277 rows, 23562 columns and 80629 nonzeros Presolve removed 308 rows and 2 columns Presolve time: 0.38s Presolved: 19122 rows, 23560 columns, 103025 nonzeros Variable types: 0 continuous, 23560 integer (23560 binary) Found heuristic solution: objective 153.0000000 Root relaxation: objective 3.000000e+00, 13029 iterations, 1.15 seconds Total elapsed time = 5.02s 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% - 5s Explored 0 nodes (31923 simplex iterations) in 5.18 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%