Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:09 2012 Optimize a model with 806 rows, 702 columns and 3016 nonzeros Presolve removed 53 rows and 26 columns Presolve time: 0.01s Presolved: 753 rows, 676 columns, 2860 nonzeros Variable types: 0 continuous, 676 integer (676 binary) Found heuristic solution: objective 15.0000000 Root relaxation: objective 3.000000e+00, 877 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (877 simplex iterations) in 0.03 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%