Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:37 2013 Optimize a model with 12635 rows, 12285 columns and 49035 nonzeros Presolve removed 847 rows and 0 columns Presolve time: 0.07s Presolved: 11788 rows, 12285 columns, 47341 nonzeros Variable types: 12250 continuous, 35 integer (35 binary) Root relaxation: objective 3.361966e+04, 1422 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 33619.6592 0 5 - 33619.6592 - - 0s H 0 0 33904.000000 33619.6592 0.84% - 0s H 0 0 33637.000000 33619.6592 0.05% - 0s 0 0 33626.9983 0 5 33637.0000 33626.9983 0.03% - 0s 0 0 33627.9437 0 5 33637.0000 33627.9437 0.03% - 0s 0 0 33628.6366 0 5 33637.0000 33628.6366 0.02% - 0s 0 0 cutoff 0 33637.0000 33637.0000 0.0% - 0s Cutting planes: Gomory: 2 Flow cover: 3 Explored 0 nodes (1468 simplex iterations) in 0.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.363700000000e+04, best bound 3.363700000000e+04, gap 0.0%