Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:12 2013

Optimize a model with 32 rows, 1045 columns and 12039 nonzeros
Presolve removed 12 rows and 36 columns
Presolve time: 0.03s
Presolved: 20 rows, 1009 columns, 11016 nonzeros
Variable types: 1000 continuous, 9 integer (9 binary)

Root relaxation: objective 3.279154e+03, 17 iterations, 0.00 seconds

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

     0     0 3279.15409    0    3          - 3279.15409     -      -    0s
     0     0 3279.15608    0    3          - 3279.15608     -      -    0s
     0     0 3279.15608    0    3          - 3279.15608     -      -    0s
     0     0 3279.17241    0    4          - 3279.17241     -      -    0s
     0     0 3279.17241    0    4          - 3279.17241     -      -    0s
H    0     0                    3279.1929845 3279.17241  0.00%     -    0s

Cutting planes:
  Flow cover: 1

Explored 0 nodes (59 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.279192984451e+03, best bound 3.279172409745e+03, gap 0.0006%