Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:37 2012 Optimize a model with 1705 rows, 992 columns and 5983 nonzeros Presolve removed 280 rows and 31 columns Presolve time: 0.03s Presolved: 1425 rows, 961 columns, 5301 nonzeros Variable types: 0 continuous, 961 integer (961 binary) Found heuristic solution: objective 18.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 1336 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 3.00000 2.00000 33.3% - 0s Explored 0 nodes (1336 simplex iterations) in 0.07 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%