Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:40 2013

Optimize a model with 8758 rows, 8468 columns and 33698 nonzeros
Presolve removed 29 rows and 0 columns
Presolve time: 0.04s
Presolved: 8729 rows, 8468 columns, 33669 nonzeros
Variable types: 8439 continuous, 29 integer (29 binary)

Root relaxation: objective 2.676786e+04, 1530 iterations, 0.18 seconds

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

     0     0 26767.8597    0   23          - 26767.8597     -      -    0s
H    0     0                    30933.000000 26767.8597  13.5%     -    0s
     0     0 29146.0393    0    5 30933.0000 29146.0393  5.78%     -    0s
H    0     0                    30290.558720 29146.0393  3.78%     -    0s
H    0     0                    29324.000000 29146.0393  0.61%     -    0s
     0     0 29153.6932    0    4 29324.0000 29153.6932  0.58%     -    0s
H    0     0                    29197.000000 29153.6932  0.15%     -    0s
     0     0 29162.9732    0    3 29197.0000 29162.9732  0.12%     -    0s
H    0     0                    29188.000000 29162.9732  0.09%     -    0s
     0     2 29164.7857    0    3 29188.0000 29164.7857  0.08%     -    0s
*    2     2               2    29175.000000 29168.8462  0.02%  25.5    0s

Cutting planes:
  Implied bound: 21

Explored 5 nodes (2119 simplex iterations) in 0.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.917500000000e+04, best bound 2.917500000000e+04, gap 0.0%