Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:39 2013

Optimize a model with 8758 rows, 8468 columns and 33698 nonzeros
Presolve removed 29 rows and 0 columns
Presolve time: 0.04s
Presolved: 8729 rows, 8468 columns, 33669 nonzeros
Variable types: 8439 continuous, 29 integer (29 binary)

Root relaxation: objective 2.557731e+04, 873 iterations, 0.06 seconds

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

     0     0 25577.3061    0   18          - 25577.3061     -      -    0s
H    0     0                    28928.000000 25577.3061  11.6%     -    0s
     0     0 27284.5480    0    2 28928.0000 27284.5480  5.68%     -    0s
H    0     0                    28237.396748 27284.5480  3.37%     -    0s
H    0     0                    27680.000000 27284.5480  1.43%     -    0s
H    0     0                    27346.000000 27284.5480  0.22%     -    0s
     0     0 27297.2667    0    1 27346.0000 27297.2667  0.18%     -    0s

Cutting planes:
  Implied bound: 18

Explored 0 nodes (1245 simplex iterations) in 0.33 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%