Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:45 2013

Optimize a model with 220 rows, 1380 columns and 3490 nonzeros
Presolve removed 10 rows and 130 columns
Presolve time: 0.00s
Presolved: 210 rows, 1250 columns, 3290 nonzeros
Variable types: 1210 continuous, 40 integer (40 binary)

Root relaxation: objective 2.199252e+04, 97 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    4          - 21992.5209     -      -    0s
     0     0 22006.3881    0    4          - 22006.3881     -      -    0s
     0     0 22007.0904    0    4          - 22007.0904     -      -    0s
     0     0 22007.0904    0    4          - 22007.0904     -      -    0s
H    0     0                    22202.166751 22007.0904  0.88%     -    0s
     0     2 22019.1925    0    4 22202.1668 22019.1925  0.82%     -    0s
*    2     1               2    22134.404174 22134.4042   0.0%  21.5    0s

Cutting planes:
  Gomory: 1
  Flow cover: 3

Explored 3 nodes (220 simplex iterations) in 0.03 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%