Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:35 2012 Optimize a model with 1457 rows, 342 columns and 4624 nonzeros Presolve removed 830 rows and 2 columns Presolve time: 0.03s Presolved: 627 rows, 340 columns, 3060 nonzeros Variable types: 0 continuous, 340 integer (340 binary) Found heuristic solution: objective 18.0000000 Root relaxation: objective 7.000000e+00, 520 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 7.0000000 7.00000 0.0% - 0s Explored 0 nodes (661 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%