Gurobi 5.0.1 (linux64) logging started Sat Dec  8 02:35:20 2012

Optimize a model with 285 rows, 270 columns and 889 nonzeros
Presolve removed 22 rows and 13 columns
Presolve time: 0.00s
Presolved: 263 rows, 257 columns, 849 nonzeros
Variable types: 171 continuous, 86 integer (86 binary)

Root relaxation: objective 2.452920e+04, 135 iterations, 0.00 seconds

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

     0     0 24529.1981    0   34          - 24529.1981     -      -    0s
H    0     0                    39898.000000 24529.1981  38.5%     -    0s
     0     0 28817.6510    0   25 39898.0000 28817.6510  27.8%     -    0s
H    0     0                    34369.000000 28817.6510  16.2%     -    0s
     0     0 29252.3957    0   25 34369.0000 29252.3957  14.9%     -    0s
     0     0 29327.3148    0   16 34369.0000 29327.3148  14.7%     -    0s
     0     0 29332.9462    0   16 34369.0000 29332.9462  14.7%     -    0s
     0     2 29340.8660    0   16 34369.0000 29340.8660  14.6%     -    0s
H   27    22                    30120.000000 29344.3096  2.58%   4.4    0s
H  199    79                    30018.000000 29569.5414  1.49%   6.1    1s
*  214    78              24    29975.000000 29569.5414  1.35%   6.0    1s
   853   113 29851.2077   11    8 29975.0000 29778.2768  0.66%   6.4    5s

Cutting planes:
  Gomory: 8
  Cover: 1
  Clique: 1
  Flow cover: 44
  Flow path: 27

Explored 1127 nodes (7275 simplex iterations) in 6.67 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.997500000000e+04, best bound 2.997500000000e+04, gap 0.0%