Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:44 2013

Optimize a model with 660 rows, 2030 columns and 5550 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.04s
Presolved: 650 rows, 2020 columns, 5040 nonzeros
Variable types: 1520 continuous, 500 integer (500 binary)

Root relaxation: objective 2.199252e+04, 138 iterations, 0.00 seconds

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

     0     0 21992.5209    0    4          - 21992.5209     -      -    0s
     0     0 22031.6046    0    2          - 22031.6046     -      -    0s
     0     0 22031.6046    0    2          - 22031.6046     -      -    0s
H    0     0                    23575.743212 22031.6046  6.55%     -    0s
     0     2 22031.6046    0    2 23575.7432 22031.6046  6.55%     -    0s
*    3     1               2    22791.927631 22074.4699  3.15%  30.3    0s
*   13     5               7    22134.932338 22134.8910  0.00%  11.5    0s

Cutting planes:
  Gomory: 1
  Implied bound: 3

Explored 14 nodes (379 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.213493233821e+04, best bound 2.213489101284e+04, gap 0.0002%