Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:43 2013

Optimize a model with 240 rows, 1320 columns and 2810 nonzeros
Presolve removed 20 rows and 30 columns
Presolve time: 0.00s
Presolved: 220 rows, 1290 columns, 2580 nonzeros
Variable types: 1200 continuous, 90 integer (90 binary)

Root relaxation: objective 2.199252e+04, 91 iterations, 0.00 seconds

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

     0     0 21992.5209    0    2          - 21992.5209     -      -    0s
     0     0 22013.3691    0    3          - 22013.3691     -      -    0s
     0     0 22013.5785    0    3          - 22013.5785     -      -    0s
     0     0 22013.6416    0    3          - 22013.6416     -      -    0s
     0     0 22014.1586    0    3          - 22014.1586     -      -    0s
     0     0 22015.3548    0    3          - 22015.3548     -      -    0s
     0     0 22015.3548    0    3          - 22015.3548     -      -    0s
H    0     0                    22202.166751 22015.3548  0.84%     -    0s
     0     2 22020.0043    0    3 22202.1668 22020.0043  0.82%     -    0s
*    5     2               4    22178.990397 22076.7110  0.46%  10.2    0s
*    9     2               3    22134.404174 22092.8555  0.19%   7.0    0s

Cutting planes:
  Gomory: 1
  Flow cover: 3

Explored 12 nodes (215 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.213440417441e+04, best bound 2.213440417441e+04, gap 0.0%