Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:13 2012 Optimize a model with 1176 rows, 812 columns and 4228 nonzeros Presolve removed 341 rows and 140 columns Presolve time: 0.02s Presolved: 835 rows, 672 columns, 3276 nonzeros Variable types: 0 continuous, 672 integer (672 binary) Found heuristic solution: objective 14.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 961 iterations, 0.02 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 (961 simplex iterations) in 0.04 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%