Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:19 2013 Optimize a model with 5566 rows, 5336 columns and 21206 nonzeros Presolve removed 23 rows and 0 columns Presolve time: 0.02s Presolved: 5543 rows, 5336 columns, 21183 nonzeros Variable types: 5313 continuous, 23 integer (23 binary) Root relaxation: objective 2.088365e+04, 753 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 20883.6475 0 15 - 20883.6475 - - 0s H 0 0 22502.000000 20883.6475 7.19% - 0s 0 0 22269.6414 0 3 22502.0000 22269.6414 1.03% - 0s H 0 0 22303.000000 22269.6414 0.15% - 0s 0 0 22269.7500 0 1 22303.0000 22269.7500 0.15% - 0s 0 0 22295.9504 0 1 22303.0000 22295.9504 0.03% - 0s Cutting planes: Implied bound: 15 Explored 0 nodes (1051 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.230300000000e+04, best bound 2.230300000000e+04, gap 0.0%