Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:42 2013 Optimize a model with 745 rows, 664 columns and 2608 nonzeros Presolve removed 8 rows and 0 columns Presolve time: 0.00s Presolved: 737 rows, 664 columns, 2600 nonzeros Variable types: 656 continuous, 8 integer (8 binary) Root relaxation: objective 1.216827e+04, 157 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12168.2719 0 4 - 12168.2719 - - 0s H 0 0 12334.000000 12168.2719 1.34% - 0s H 0 0 12297.000000 12168.2719 1.05% - 0s 0 0 cutoff 0 12297.0000 12297.0000 0.0% - 0s Cutting planes: Gomory: 2 Implied bound: 4 Explored 0 nodes (177 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.229700000000e+04, best bound 1.229700000000e+04, gap 0.0%