Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:15:30 2012 Optimize a model with 3763 rows, 2862 columns and 13939 nonzeros Presolve removed 214 rows and 106 columns Presolve time: 0.09s Presolved: 3549 rows, 2756 columns, 13303 nonzeros Variable types: 0 continuous, 2756 integer (2756 binary) Found heuristic solution: objective 25.0000000 Root relaxation: objective 3.000000e+00, 3495 iterations, 0.17 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 (5421 simplex iterations) in 0.37 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%