Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:57 2013 Optimize a model with 7587 rows, 7317 columns and 29187 nonzeros Presolve removed 297 rows and 0 columns Presolve time: 0.04s Presolved: 7290 rows, 7317 columns, 28593 nonzeros Variable types: 7290 continuous, 27 integer (27 binary) Root relaxation: objective 3.352906e+04, 1126 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 33529.0552 0 2 - 33529.0552 - - 0s H 0 0 33539.000000 33529.0552 0.03% - 0s 0 0 33530.9580 0 2 33539.0000 33530.9580 0.02% - 0s H 0 0 33538.000000 33530.9580 0.02% - 0s 0 0 cutoff 0 33538.0000 33538.0000 0.0% - 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 0 nodes (1152 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.353800000000e+04, best bound 3.353800000000e+04, gap 0.0%