Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:47:33 2012 Optimize a model with 5300 rows, 10100 columns and 25600 nonzeros Presolve removed 229 rows and 2900 columns Presolve time: 0.14s Presolved: 5071 rows, 7200 columns, 22200 nonzeros Variable types: 0 continuous, 7200 integer (7200 binary) Found heuristic solution: objective 25.0000000 Root relaxation: objective 3.000000e+00, 6878 iterations, 0.18 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% - 0s Explored 0 nodes (8746 simplex iterations) in 0.44 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%