Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:20 2013

Optimize a model with 32 rows, 522 columns and 5551 nonzeros
Presolve removed 12 rows and 12 columns
Presolve time: 0.01s
Presolved: 20 rows, 510 columns, 5027 nonzeros
Variable types: 501 continuous, 9 integer (9 binary)

Root relaxation: objective 2.006220e+03, 15 iterations, 0.00 seconds

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

     0     0 2006.21956    0    8          - 2006.21956     -      -    0s
     0     0 2006.34757    0    9          - 2006.34757     -      -    0s
     0     0 2006.35567    0    9          - 2006.35567     -      -    0s
     0     0 2006.35651    0    9          - 2006.35651     -      -    0s
     0     0 2006.42051    0    6          - 2006.42051     -      -    0s
     0     0 2006.42051    0    6          - 2006.42051     -      -    0s
     0     0 2006.42051    0    5          - 2006.42051     -      -    0s
     0     0 2006.42051    0    6          - 2006.42051     -      -    0s
     0     0 2006.44188    0    5          - 2006.44188     -      -    0s
     0     0 2006.44441    0    6          - 2006.44441     -      -    0s
     0     0 2006.44441    0    6          - 2006.44441     -      -    0s
H    0     0                    2006.5285571 2006.44441  0.00%     -    0s

Cutting planes:
  Cover: 2
  Implied bound: 2
  Flow cover: 2

Explored 0 nodes (83 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.006528557063e+03, best bound 2.006444405014e+03, gap 0.0042%