Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:22 2013 Optimize a model with 150 rows, 1305 columns and 10640 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.01s Presolved: 145 rows, 1300 columns, 9635 nonzeros Variable types: 1260 continuous, 40 integer (40 binary) Root relaxation: objective 1.174557e+04, 48 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 11745.5748 0 3 - 11745.5748 - - 0s 0 0 11745.7339 0 4 - 11745.7339 - - 0s 0 0 11773.3387 0 6 - 11773.3387 - - 0s 0 0 11779.0036 0 3 - 11779.0036 - - 0s 0 0 11779.0036 0 3 - 11779.0036 - - 0s H 0 0 12104.364411 11779.0036 2.69% - 0s 0 0 11779.0036 0 2 12104.3644 11779.0036 2.69% - 0s 0 0 11779.0213 0 5 12104.3644 11779.0213 2.69% - 0s 0 0 11779.0213 0 5 12104.3644 11779.0213 2.69% - 0s 0 2 11779.0251 0 5 12104.3644 11779.0251 2.69% - 0s * 11 5 8 11786.870391 11779.1956 0.07% 4.7 0s * 13 2 7 11785.265614 11779.1956 0.05% 4.1 0s * 24 4 8 11779.960340 11779.4026 0.00% 3.9 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 25 nodes (360 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.177996034029e+04, best bound 1.177940262477e+04, gap 0.0047%