Gurobi 5.0.1 (linux64) logging started Sat Dec  8 02:35:13 2012

Optimize a model with 285 rows, 270 columns and 890 nonzeros
Presolve removed 20 rows and 12 columns
Presolve time: 0.00s
Presolved: 265 rows, 258 columns, 842 nonzeros
Variable types: 172 continuous, 86 integer (86 binary)

Root relaxation: objective 2.677705e+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 26777.0523    0   53          - 26777.0523     -      -    0s
H    0     0                    43400.000000 26777.0523  38.3%     -    0s
     0     0 32346.0841    0   19 43400.0000 32346.0841  25.5%     -    0s
     0     0 32743.4884    0    7 43400.0000 32743.4884  24.6%     -    0s
     0     0 32793.1185    0    3 43400.0000 32793.1185  24.4%     -    0s
     0     0 32824.3978    0    7 43400.0000 32824.3978  24.4%     -    0s
H    0     0                    33175.000000 32824.3978  1.06%     -    0s
     0     2 32842.8569    0    7 33175.0000 32842.8569  1.00%     -    0s
*    7     7               7    33028.000000 32861.6255  0.50%   3.3    0s
*   26     8               6    32963.000000 32876.3862  0.26%   3.2    0s
*   46     0               3    32883.000000 32883.0000   0.0%   2.8    0s

Cutting planes:
  Gomory: 7
  Flow cover: 39
  Flow path: 15

Explored 47 nodes (346 simplex iterations) in 0.24 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.288300000000e+04, best bound 3.288300000000e+04, gap 0.0%