Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:28 2013 Optimize a model with 95 rows, 335 columns and 705 nonzeros Presolve removed 10 rows and 15 columns Presolve time: 0.00s Presolved: 85 rows, 320 columns, 640 nonzeros Variable types: 300 continuous, 20 integer (20 binary) Root relaxation: objective 1.291780e+04, 42 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12917.7960 0 1 - 12917.7960 - - 0s 0 0 12937.3688 0 2 - 12937.3688 - - 0s * 0 0 0 12964.121773 12964.1218 0.0% - 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 0 nodes (57 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.296412177304e+04, best bound 1.296412177304e+04, gap 0.0%