Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:38 2013 Optimize a model with 275 rows, 785 columns and 43905 nonzeros Presolve removed 3 rows and 3 columns Presolve time: 0.11s Presolved: 272 rows, 782 columns, 44520 nonzeros Variable types: 0 continuous, 782 integer (782 binary) Found heuristic solution: objective 874.0000000 Found heuristic solution: objective 670.0000000 Root relaxation: cutoff, 55 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 670.00000 669.00067 0.15% - 0s Explored 0 nodes (55 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.700000000000e+02, best bound 6.700000000000e+02, gap 0.0%