Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:40 2013

Optimize a model with 2140 rows, 3020 columns and 10010 nonzeros
Presolve removed 30 rows and 20 columns
Presolve time: 0.11s
Presolved: 2110 rows, 3000 columns, 7980 nonzeros
Variable types: 2010 continuous, 990 integer (990 binary)

Root relaxation: objective 2.207062e+04, 844 iterations, 0.01 seconds

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

     0     0 22070.6191    0    1          - 22070.6191     -      -    0s
     0     0 22237.3867    0    1          - 22237.3867     -      -    0s
     0     0 22261.9422    0    1          - 22261.9422     -      -    0s
     0     0 22265.3311    0    1          - 22265.3311     -      -    0s
     0     0 22265.3311    0    1          - 22265.3311     -      -    0s
     0     0 22266.7021    0    2          - 22266.7021     -      -    0s
     0     0 22269.3570    0    2          - 22269.3570     -      -    0s
     0     0 22270.7160    0    2          - 22270.7160     -      -    0s
     0     0 22271.4839    0    2          - 22271.4839     -      -    0s
     0     0 22271.7615    0    2          - 22271.7615     -      -    0s
     0     0 22272.5985    0    1          - 22272.5985     -      -    0s
     0     0 22272.5985    0    1          - 22272.5985     -      -    0s
     0     0 22272.5985    0    1          - 22272.5985     -      -    0s
     0     2 22272.6067    0    1          - 22272.6067     -      -    0s
*   26    24              24    22382.897999 22319.0258  0.29%   9.4    0s
H   28     4                    22333.158214 22319.0258  0.06%   8.8    0s

Cutting planes:
  Gomory: 1
  Flow cover: 11

Explored 33 nodes (1481 simplex iterations) in 0.63 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.233315821446e+04, best bound 2.233167155728e+04, gap 0.0067%