Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:04:48 2013

Optimize a model with 300 rows, 3110 columns and 22280 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.03s
Presolved: 290 rows, 3100 columns, 20270 nonzeros
Variable types: 3020 continuous, 80 integer (80 binary)

Root relaxation: objective 2.199252e+04, 125 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    6          - 21992.5209     -      -    0s
     0     0 21993.2320    0    6          - 21993.2320     -      -    0s
     0     0 22061.4730    0    6          - 22061.4730     -      -    0s
     0     0 22061.4730    0    6          - 22061.4730     -      -    0s
H    0     0                    23199.323705 22061.4730  4.90%     -    0s
     0     2 22061.4730    0    6 23199.3237 22061.4730  4.90%     -    0s
*   14     5              12    22155.481536 22065.3345  0.41%   7.8    0s
*   22     3               6    22134.957138 22134.8910  0.00%   6.0    0s

Cutting planes:
  Flow cover: 2

Explored 23 nodes (403 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.213495713844e+04, best bound 2.213489101284e+04, gap 0.0003%