Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:17 2013 Optimize a model with 160 rows, 1070 columns and 2190 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 150 rows, 1060 columns, 2150 nonzeros Variable types: 1050 continuous, 10 integer (10 binary) Root relaxation: objective 1.997658e+04, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 19976.5790 0 2 - 19976.5790 - - 0s 0 0 20060.2402 0 2 - 20060.2402 - - 0s 0 0 20123.2851 0 2 - 20123.2851 - - 0s 0 0 20124.9366 0 2 - 20124.9366 - - 0s * 0 0 0 20148.623128 20148.6231 0.0% - 0s Cutting planes: Gomory: 2 Flow cover: 3 Explored 0 nodes (182 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.014862312802e+04, best bound 2.014862312802e+04, gap 0.0%