Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:07:58 2012 Optimize a model with 8854 rows, 13340 columns and 39328 nonzeros Presolve removed 263 rows and 3567 columns Presolve time: 0.16s Presolved: 8591 rows, 9773 columns, 35038 nonzeros Variable types: 0 continuous, 9773 integer (9773 binary) Found heuristic solution: objective 115.0000000 Root relaxation: objective 3.000000e+00, 5106 iterations, 0.20 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% - 1s Explored 0 nodes (15468 simplex iterations) in 1.91 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%