Gurobi 5.0.1 (linux64) logging started Sat Dec  8 02:35:12 2012

Optimize a model with 285 rows, 270 columns and 891 nonzeros
Presolve removed 18 rows and 11 columns
Presolve time: 0.00s
Presolved: 267 rows, 259 columns, 847 nonzeros
Variable types: 173 continuous, 86 integer (86 binary)

Root relaxation: objective 2.563499e+04, 123 iterations, 0.00 seconds

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

     0     0 25634.9940    0   32          - 25634.9940     -      -    0s
H    0     0                    36579.000000 25634.9940  29.9%     -    0s
     0     0 29015.9241    0   10 36579.0000 29015.9241  20.7%     -    0s
     0     0 29238.5721    0   16 36579.0000 29238.5721  20.1%     -    0s
     0     0 29257.8015    0   11 36579.0000 29257.8015  20.0%     -    0s
     0     0 29269.6474    0    9 36579.0000 29269.6474  20.0%     -    0s
     0     0 29269.8131    0    8 36579.0000 29269.8131  20.0%     -    0s
H    0     0                    30121.000000 29269.8131  2.83%     -    0s
     0     2 29271.2754    0    8 30121.0000 29271.2754  2.82%     -    0s
H   45    32                    29973.747300 29349.3734  2.08%   3.4    0s
*   46    27              20    29685.000000 29349.3734  1.13%   3.4    0s
*   48    22              21    29631.000000 29349.3734  0.95%   3.4    0s
H   88    35                    29617.000000 29363.2574  0.86%   3.3    0s
H  215    31                    29607.000000 29468.5273  0.47%   3.6    0s

Cutting planes:
  Gomory: 9
  Cover: 1
  Flow cover: 27
  Flow path: 18

Explored 265 nodes (1109 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.960700000000e+04, best bound 2.960511084172e+04, gap 0.0064%