Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:39 2013

Optimize a model with 638 rows, 560 columns and 2198 nonzeros
Presolve removed 7 rows and 0 columns
Presolve time: 0.00s
Presolved: 631 rows, 560 columns, 2191 nonzeros
Variable types: 553 continuous, 7 integer (7 binary)

Root relaxation: objective 1.656940e+04, 190 iterations, 0.00 seconds

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

     0     0 16569.4009    0    4          - 16569.4009     -      -    0s
H    0     0                    16667.000000 16569.4009  0.59%     -    0s
     0     0     cutoff    0      16667.0000 16667.0000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Implied bound: 4

Explored 0 nodes (211 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.666700000000e+04, best bound 1.666700000000e+04, gap 0.0%