Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:48 2013

Optimize a model with 260 rows, 1590 columns and 6220 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.01s
Presolved: 250 rows, 1580 columns, 5710 nonzeros
Variable types: 1520 continuous, 60 integer (60 binary)

Root relaxation: objective 2.207062e+04, 149 iterations, 0.00 seconds

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

     0     0 22070.6191    0    3          - 22070.6191     -      -    0s
     0     0 22070.6191    0    4          - 22070.6191     -      -    0s
     0     0 22072.1833    0    4          - 22072.1833     -      -    0s
     0     0 22072.1833    0    4          - 22072.1833     -      -    0s
     0     0 22072.1833    0    4          - 22072.1833     -      -    0s
     0     0 22072.1833    0    4          - 22072.1833     -      -    0s
     0     0 22072.1833    0    4          - 22072.1833     -      -    0s
H    0     0                    22363.454709 22072.1833  1.30%     -    0s
     0     2 22148.9921    0    4 22363.4547 22148.9921  0.96%     -    0s
*    6     4               5    22345.248934 22286.0643  0.26%  15.7    0s
*   16     5               9    22336.247039 22325.9376  0.05%   8.2    0s
*   23     0               6    22333.127867 22333.1279   0.0%   5.9    0s

Cutting planes:
  Gomory: 1
  Flow cover: 4

Explored 24 nodes (584 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.233312786709e+04, best bound 2.233312786709e+04, gap 0.0%