Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:13 2013 Optimize a model with 5543 rows, 5313 columns and 21183 nonzeros Presolve time: 0.02s Presolved: 5543 rows, 5313 columns, 21183 nonzeros Variable types: 5290 continuous, 23 integer (23 binary) Root relaxation: objective 2.226975e+04, 627 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22269.7500 0 1 - 22269.7500 - - 0s H 0 0 22318.000000 22269.7500 0.22% - 0s H 0 0 22303.000000 22269.7500 0.15% - 0s 0 0 22272.1047 0 3 22303.0000 22272.1047 0.14% - 0s 0 0 22272.9471 0 4 22303.0000 22272.9471 0.13% - 0s 0 0 22273.1226 0 4 22303.0000 22273.1226 0.13% - 0s 0 0 cutoff 0 22303.0000 22303.0000 0.0% - 0s Cutting planes: Gomory: 2 Flow cover: 2 Explored 0 nodes (700 simplex iterations) in 0.13 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%