Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:15:17 2012 Optimize a model with 3172 rows, 2756 columns and 12064 nonzeros Presolve removed 107 rows and 156 columns Presolve time: 0.07s Presolved: 3065 rows, 2600 columns, 11648 nonzeros Variable types: 0 continuous, 2600 integer (2600 binary) Found heuristic solution: objective 25.0000000 Root relaxation: objective 3.000000e+00, 2846 iterations, 0.12 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 (3834 simplex iterations) in 0.24 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%