Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:37 2012 Optimize a model with 1488 rows, 992 columns and 5332 nonzeros Presolve removed 249 rows and 31 columns Presolve time: 0.02s Presolved: 1239 rows, 961 columns, 4681 nonzeros Variable types: 0 continuous, 961 integer (961 binary) Found heuristic solution: objective 17.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 1232 iterations, 0.03 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 (1232 simplex iterations) in 0.06 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%