Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:55 2013 Optimize a model with 363 rows, 10923 columns and 21813 nonzeros Presolve time: 0.02s Presolved: 363 rows, 10923 columns, 21813 nonzeros Variable types: 10890 continuous, 33 integer (33 binary) Root relaxation: objective 3.499761e+04, 570 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 34997.6107 0 4 - 34997.6107 - - 0s H 0 0 35400.000000 34997.6107 1.14% - 0s 0 0 35382.2201 0 2 35400.0000 35382.2201 0.05% - 0s 0 0 35387.3861 0 3 35400.0000 35387.3861 0.04% - 0s 0 0 35388.3500 0 2 35400.0000 35388.3500 0.03% - 0s 0 0 35399.9408 0 1 35400.0000 35399.9408 0.00% - 0s Cutting planes: Implied bound: 38 Flow cover: 1 Explored 0 nodes (693 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.540000000000e+04, best bound 3.539994078947e+04, gap 0.0002%