Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:01 2013 Optimize a model with 11286 rows, 10956 columns and 43626 nonzeros Presolve removed 33 rows and 0 columns Presolve time: 0.05s Presolved: 11253 rows, 10956 columns, 43593 nonzeros Variable types: 10923 continuous, 33 integer (33 binary) Root relaxation: objective 3.160121e+04, 1554 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 31601.2147 0 26 - 31601.2147 - - 0s H 0 0 36007.000000 31601.2147 12.2% - 0s 0 0 33576.1500 0 3 36007.0000 33576.1500 6.75% - 0s H 0 0 34493.739014 33576.1500 2.66% - 0s H 0 0 34234.000000 33576.1500 1.92% - 0s 0 0 33576.3452 0 2 34234.0000 33576.3452 1.92% - 0s H 0 0 34046.588235 33576.3452 1.38% - 0s 0 2 33576.8914 0 2 34046.5882 33576.8914 1.38% - 0s H 1 1 33863.855939 33576.8914 0.85% 0.0 0s H 2 1 33860.486486 33593.2162 0.79% 17.5 0s H 3 2 33690.000000 33601.0000 0.26% 12.7 0s * 5 0 5 33683.000000 33683.0000 0.0% 48.8 0s Cutting planes: Implied bound: 24 Explored 6 nodes (2392 simplex iterations) in 0.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.368300000000e+04, best bound 3.368300000000e+04, gap 0.0%