Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:01 2013 Optimize a model with 297 rows, 7317 columns and 14607 nonzeros Presolve time: 0.01s Presolved: 297 rows, 7317 columns, 14607 nonzeros Variable types: 7290 continuous, 27 integer (27 binary) Root relaxation: objective 3.326556e+04, 416 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 33265.5589 0 5 - 33265.5589 - - 0s H 0 0 34125.000000 33265.5589 2.52% - 0s H 0 0 33568.000000 33265.5589 0.90% - 0s 0 0 33489.6351 0 4 33568.0000 33489.6351 0.23% - 0s H 0 0 33566.000000 33489.6351 0.23% - 0s 0 0 33520.4676 0 4 33566.0000 33520.4676 0.14% - 0s H 0 0 33547.000000 33520.4676 0.08% - 0s 0 0 33529.3652 0 2 33547.0000 33529.3652 0.05% - 0s H 0 0 33539.000000 33529.3652 0.03% - 0s 0 0 33530.2126 0 2 33539.0000 33530.2126 0.03% - 0s 0 0 33530.9138 0 2 33539.0000 33530.9138 0.02% - 0s 0 0 33531.2143 0 1 33539.0000 33531.2143 0.02% - 0s H 0 0 33538.000000 33531.2143 0.02% - 0s 0 0 33531.2143 0 2 33538.0000 33531.2143 0.02% - 0s 0 0 33531.2143 0 2 33538.0000 33531.2143 0.02% - 0s 0 0 33535.3000 0 2 33538.0000 33535.3000 0.01% - 0s Cutting planes: Implied bound: 10 Flow cover: 1 Explored 0 nodes (786 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.353800000000e+04, best bound 3.353530000000e+04, gap 0.0081%