Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:14:03 2012 Optimize a model with 3430 rows, 2450 columns and 12544 nonzeros Presolve removed 101 rows and 147 columns Presolve time: 0.07s Presolved: 3329 rows, 2303 columns, 12152 nonzeros Variable types: 0 continuous, 2303 integer (2303 binary) Found heuristic solution: objective 29.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 2927 iterations, 0.07 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 (2927 simplex iterations) in 0.15 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%