Gurobi 5.0.1 (linux64) logging started Wed Apr 24 10:32:55 2013

Optimize a model with 1210 rows, 121110 columns and 242110 nonzeros
Presolve time: 0.23s
Presolved: 1210 rows, 121110 columns, 242110 nonzeros
Variable types: 121000 continuous, 110 integer (110 binary)

Root relaxation: objective 1.581020e+05, 4623 iterations, 0.23 seconds

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

     0     0 158101.965    0    8          - 158101.965     -      -    0s
H    0     0                    172007.00000 158101.965  8.08%     -    0s
     0     0 158353.817    0    6 172007.000 158353.817  7.94%     -    1s
H    0     0                    167555.52552 158353.817  5.49%     -    1s
H    0     0                    166826.00000 158353.817  5.08%     -    1s
     0     0 158412.877    0    6 166826.000 158412.877  5.04%     -    1s
     0     0 158430.519    0    6 166826.000 158430.519  5.03%     -    1s
     0     0 158446.359    0    5 166826.000 158446.359  5.02%     -    2s
H    0     0                    166603.77238 158446.359  4.90%     -    2s
H    0     0                    165580.00000 158446.359  4.31%     -    2s
     0     0 158447.461    0    6 165580.000 158447.461  4.31%     -    2s
H    0     0                    165564.00000 158447.461  4.30%     -    2s
     0     0 158449.260    0    5 165564.000 158449.260  4.30%     -    2s
H    0     0                    165521.00000 158449.260  4.27%     -    2s
     0     0 158450.133    0    5 165521.000 158450.133  4.27%     -    2s
     0     0 158450.133    0    5 165521.000 158450.133  4.27%     -    2s
     0     2 158461.268    0    5 165521.000 158461.268  4.27%     -    3s
H    3     3                    164354.90116 158572.348  3.52%  45.3    4s
H    4     4                    162269.70588 158667.840  2.22%  76.0    4s
H    6     6                    160630.66667 158739.707  1.18%   152    4s
H    7     7                    159581.71429 158739.707  0.53%   147    4s
     8    10 158977.130    6    4 159581.714 158739.707  0.53%   146    5s
H   11    11                    159533.00000 158739.707  0.50%   129    5s
H   14    11                    159487.00000 158739.707  0.47%   115    5s
H   15    12                    159455.00000 158739.707  0.45%   114    5s
H   19    12                    159441.00000 158739.707  0.44%   103    5s
*   20    12              17    159261.00000 158739.707  0.33%   103    5s
H   33    18                    159147.00000 158815.558  0.21%  88.4    6s
*   34    11              14    158991.00000 158815.558  0.11%  85.9    6s

Cutting planes:
  Implied bound: 124
  Flow cover: 10

Explored 60 nodes (9637 simplex iterations) in 7.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.589910000000e+05, best bound 1.589799130435e+05, gap 0.0070%