Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:51:10 2012 Optimize a model with 9271 rows, 5402 columns and 32923 nonzeros Presolve removed 1170 rows and 146 columns Presolve time: 0.16s Presolved: 8101 rows, 5256 columns, 29857 nonzeros Variable types: 0 continuous, 5256 integer (5256 binary) Found heuristic solution: objective 44.0000000 Root relaxation: objective 3.000000e+00, 8460 iterations, 1.06 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% - 2s Explored 0 nodes (15125 simplex iterations) in 2.15 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%