Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:03 2013 Optimize a model with 14134 rows, 13764 columns and 54834 nonzeros Presolve removed 37 rows and 0 columns Presolve time: 0.06s Presolved: 14097 rows, 13764 columns, 54797 nonzeros Variable types: 13727 continuous, 37 integer (37 binary) Root relaxation: objective 3.367847e+04, 1569 iterations, 0.24 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 33678.4700 0 31 - 33678.4700 - - 0s H 0 0 40177.000000 33678.4700 16.2% - 0s 0 0 38297.4631 0 5 40177.0000 38297.4631 4.68% - 0s H 0 0 39958.500302 38297.4631 4.16% - 0s H 0 0 38517.000000 38297.4631 0.57% - 0s H 0 0 38473.000000 38297.4631 0.46% - 0s 0 0 38390.7330 0 3 38473.0000 38390.7330 0.21% - 0s 0 0 38392.4833 0 2 38473.0000 38392.4833 0.21% - 1s 0 2 38406.3889 0 2 38473.0000 38406.3889 0.17% - 1s * 4 3 3 38426.000000 38426.0000 0.0% 26.0 1s Cutting planes: Implied bound: 34 Explored 5 nodes (2723 simplex iterations) in 1.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.842600000000e+04, best bound 3.842600000000e+04, gap 0.0%