Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:45 2013

Optimize a model with 9330 rows, 9030 columns and 36030 nonzeros
Presolve removed 455 rows and 0 columns
Presolve time: 0.05s
Presolved: 8875 rows, 9030 columns, 35120 nonzeros
Variable types: 9000 continuous, 30 integer (30 binary)

Root relaxation: objective 3.271748e+04, 1111 iterations, 0.05 seconds

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

     0     0 32717.4815    0    1          - 32717.4815     -      -    0s
H    0     0                    32849.000000 32717.4815  0.40%     -    0s
H    0     0                    32824.000000 32717.4815  0.32%     -    0s
H    0     0                    32722.000000 32717.4815  0.01%     -    0s
     0     0     cutoff    0      32722.0000 32722.0000   0.0%     -    0s

Cutting planes:
  Flow cover: 6

Explored 0 nodes (1113 simplex iterations) in 0.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.272200000000e+04, best bound 3.272200000000e+04, gap 0.0%