Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:16 2012 Optimize a model with 837 rows, 992 columns and 3379 nonzeros Presolve removed 68 rows and 186 columns Presolve time: 0.01s Presolved: 769 rows, 806 columns, 3038 nonzeros Variable types: 0 continuous, 806 integer (806 binary) Found heuristic solution: objective 15.0000000 Root relaxation: objective 3.000000e+00, 750 iterations, 0.01 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 (750 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%