Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:41 2013

Optimize a model with 480 rows, 5420 columns and 14620 nonzeros
Presolve removed 20 rows and 500 columns
Presolve time: 0.02s
Presolved: 460 rows, 4920 columns, 13820 nonzeros
Variable types: 4820 continuous, 100 integer (100 binary)

Root relaxation: objective 4.636776e+04, 468 iterations, 0.01 seconds

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

     0     0 46367.7551    0    6          - 46367.7551     -      -    0s
     0     0 46381.2409    0    6          - 46381.2409     -      -    0s
     0     0 46381.2409    0    6          - 46381.2409     -      -    0s
H    0     0                    47146.471060 46381.2409  1.62%     -    0s
     0     2 46381.2409    0    6 47146.4711 46381.2409  1.62%     -    0s
*    8     3               7    46653.669952 46651.6746  0.00%  21.0    0s

Cutting planes:
  Flow cover: 2

Explored 9 nodes (823 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.665366995229e+04, best bound 4.665167455132e+04, gap 0.0043%