Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:41:20 2013

Optimize a model with 340 rows, 11130 columns and 122340 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.23s
Presolved: 330 rows, 11120 columns, 112330 nonzeros
Variable types: 11020 continuous, 100 integer (100 binary)

Root relaxation: objective 2.199252e+04, 124 iterations, 0.01 seconds

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

     0     0 21992.5209    0    6          - 21992.5209     -      -    0s
     0     0 21992.6632    0    6          - 21992.6632     -      -    0s
     0     0 22057.6740    0    6          - 22057.6740     -      -    0s
     0     0 22057.6740    0    6          - 22057.6740     -      -    0s
     0     2 22058.3289    0    6          - 22058.3289     -      -    1s
*   13     7              11    22136.330147 22060.5102  0.34%   5.6    1s
*   38     5              14    22135.316392 22119.2136  0.07%   4.2    1s

Cutting planes:
  Flow cover: 2

Explored 46 nodes (427 simplex iterations) in 1.86 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.213531639170e+04, best bound 2.213311569627e+04, gap 0.0099%