Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:28 2013

Optimize a model with 8729 rows, 8439 columns and 33669 nonzeros
Presolve removed 281 rows and 0 columns
Presolve time: 0.05s
Presolved: 8448 rows, 8439 columns, 33107 nonzeros
Variable types: 8410 continuous, 29 integer (29 binary)

Root relaxation: objective 2.729727e+04, 679 iterations, 0.03 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 27297.2667    0    1          - 27297.2667     -      -    0s
H    0     0                    27346.000000 27297.2667  0.18%     -    0s
     0     0 27298.2015    0    2 27346.0000 27298.2015  0.17%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 0 nodes (687 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.734600000000e+04, best bound 2.734600000000e+04, gap 0.0%