Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:25 2013

Optimize a model with 40 rows, 82 columns and 214 nonzeros
Presolve removed 22 rows and 50 columns
Presolve time: 0.00s
Presolved: 18 rows, 32 columns, 100 nonzeros
Variable types: 26 continuous, 6 integer (6 binary)

Root relaxation: objective 7.663407e+03, 7 iterations, 0.00 seconds

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

     0     0 7663.40697    0    2          - 7663.40697     -      -    0s
H    0     0                    7664.3517899 7663.40697  0.01%     -    0s

Cutting planes:
  Flow cover: 1

Explored 0 nodes (11 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.664351789857e+03, best bound 7.664351789857e+03, gap 0.0%