Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:53 2013 Optimize a model with 680 rows, 4440 columns and 9620 nonzeros Presolve removed 80 rows and 60 columns Presolve time: 0.05s Presolved: 600 rows, 4380 columns, 9300 nonzeros Variable types: 4200 continuous, 180 integer (180 binary) Root relaxation: objective 3.600389e+04, 519 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36003.8892 0 2 - 36003.8892 - - 0s 0 0 36161.7988 0 3 - 36161.7988 - - 0s 0 0 36178.8164 0 3 - 36178.8164 - - 0s 0 0 36185.8121 0 4 - 36185.8121 - - 0s 0 0 36186.0359 0 4 - 36186.0359 - - 0s H 0 0 36205.312430 36186.0359 0.05% - 0s 0 2 36196.4101 0 2 36205.3124 36196.4101 0.02% - 0s * 2 1 2 36202.260249 36196.4101 0.02% 2.0 0s Cutting planes: Gomory: 5 Explored 4 nodes (593 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.620226024891e+04, best bound 3.620226024891e+04, gap 0.0%