Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:28 2012 Optimize a model with 1342 rows, 306 columns and 4248 nonzeros Presolve removed 801 rows and 2 columns Presolve time: 0.02s Presolved: 541 rows, 304 columns, 2943 nonzeros Variable types: 0 continuous, 304 integer (304 binary) Found heuristic solution: objective 17.0000000 Root relaxation: objective 6.000000e+00, 577 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 6.0000000 6.00000 0.0% - 0s Explored 0 nodes (768 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%