Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:40 2013

Optimize a model with 428 rows, 1244 columns and 3282 nonzeros
Presolve removed 413 rows and 1201 columns
Presolve time: 0.02s
Presolved: 15 rows, 43 columns, 86 nonzeros
Variable types: 34 continuous, 9 integer (9 binary)

Root relaxation: objective 7.659086e+03, 5 iterations, 0.00 seconds

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

     0     0 7659.08578    0    1          - 7659.08578     -      -    0s
     0     0 7664.63445    0    2          - 7664.63445     -      -    0s
     0     0 7664.63449    0    2          - 7664.63449     -      -    0s
     0     0 7664.64152    0    2          - 7664.64152     -      -    0s
H    0     0                    7664.6447497 7664.64152  0.00%     -    0s

Cutting planes:
  Cover: 1
  Implied bound: 1
  Flow cover: 1

Explored 0 nodes (13 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.664644749745e+03, best bound 7.664641515746e+03, gap 0.0000%