Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:18:14 2012 Optimize a model with 4601 rows, 3540 columns and 17049 nonzeros Presolve removed 360 rows and 238 columns Presolve time: 0.12s Presolved: 4241 rows, 3302 columns, 15784 nonzeros Variable types: 0 continuous, 3302 integer (3302 binary) Found heuristic solution: objective 59.0000000 Root relaxation: objective 3.000000e+00, 2804 iterations, 0.11 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 (8655 simplex iterations) in 0.66 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%