Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:41 2013

Optimize a model with 428 rows, 1244 columns and 3282 nonzeros
Presolve removed 412 rows and 1198 columns
Presolve time: 0.03s
Presolved: 16 rows, 46 columns, 92 nonzeros
Variable types: 36 continuous, 10 integer (10 binary)

Root relaxation: objective 5.497312e+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 5497.31217    0    1          - 5497.31217     -      -    0s
     0     0 5503.90984    0    2          - 5503.90984     -      -    0s
     0     0 5503.90989    0    2          - 5503.90989     -      -    0s
     0     0 5503.91829    0    2          - 5503.91829     -      -    0s
H    0     0                    5503.9228337 5503.91829  0.00%     -    0s

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

Explored 0 nodes (14 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.503922833749e+03, best bound 5.503918291560e+03, gap 0.0001%