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

Optimize a model with 285 rows, 270 columns and 889 nonzeros
Presolve removed 28 rows and 17 columns
Presolve time: 0.00s
Presolved: 257 rows, 253 columns, 821 nonzeros
Variable types: 169 continuous, 84 integer (84 binary)

Root relaxation: objective 2.458522e+04, 126 iterations, 0.00 seconds

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

     0     0 24585.2211    0   39          - 24585.2211     -      -    0s
H    0     0                    38536.000000 24585.2211  36.2%     -    0s
     0     0 29022.9604    0   21 38536.0000 29022.9604  24.7%     -    0s
     0     0 29173.2610    0    9 38536.0000 29173.2610  24.3%     -    0s
     0     0 29173.3313    0    3 38536.0000 29173.3313  24.3%     -    0s
     0     0 29177.7874    0    4 38536.0000 29177.7874  24.3%     -    0s
H    0     0                    30152.000000 29177.7874  3.23%     -    0s
     0     2 29178.1502    0    4 30152.0000 29178.1502  3.23%     -    0s
*   14    10              12    30150.000000 29192.3643  3.18%   2.8    0s
H   40    22                    29887.000000 29313.6529  1.92%   2.2    0s
*   41    18              18    29811.000000 29313.6529  1.67%   2.3    0s
*   62    12              14    29694.000000 29339.7877  1.19%   2.2    0s
*   74    11               9    29678.000000 29359.4349  1.07%   2.2    0s
*   87     4               8    29577.000000 29514.1856  0.21%   2.2    0s
*   91     1               9    29546.000000 29541.2874  0.02%   2.1    0s

Cutting planes:
  Gomory: 6
  Cover: 1
  Flow cover: 23
  Flow path: 20

Explored 93 nodes (402 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.954600000000e+04, best bound 2.954600000000e+04, gap 0.0%