Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:32 2013 Optimize a model with 6525 rows, 6275 columns and 25025 nonzeros Presolve removed 563 rows and 0 columns Presolve time: 0.04s Presolved: 5962 rows, 6275 columns, 23899 nonzeros Variable types: 6250 continuous, 25 integer (25 binary) Root relaxation: objective 3.074557e+04, 978 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 30745.5714 0 1 - 30745.5714 - - 0s H 0 0 30761.000000 30745.5714 0.05% - 0s 0 0 30745.8255 0 2 30761.0000 30745.8255 0.05% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (992 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.076100000000e+04, best bound 3.076100000000e+04, gap 0.0%