Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:07:25 2013

Optimize a model with 93216 rows, 92256 columns and 368736 nonzeros
Presolve removed 6855 rows and 0 columns
Presolve time: 0.66s
Presolved: 86361 rows, 92256 columns, 355026 nonzeros
Variable types: 92160 continuous, 96 integer (96 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19421    1.3148818e+05   3.883390e+02   0.000000e+00      5s
   19860    1.3156610e+05   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 1.315661e+05, 19860 iterations, 5.35 seconds

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

     0     0 131566.103    0    3          - 131566.103     -      -    6s
H    0     0                    137578.00000 131566.103  4.37%     -    6s
H    0     0                    133092.00000 131566.103  1.15%     -    7s
     0     0 131571.243    0    4 133092.000 131571.243  1.14%     -    7s
     0     0 131571.243    0    4 133092.000 131571.243  1.14%     -    8s
     0     0 131571.243    0    4 133092.000 131571.243  1.14%     -    9s
     0     2 131587.152    0    4 133092.000 131587.152  1.13%     -   13s
     7     9 131963.052    7    2 133092.000 131838.234  0.94%   220   15s
H   13    10                    132466.00000 131838.234  0.47%   202   16s
H   15    10                    132321.00000 131838.234  0.36%   198   16s
*   18    10              17    132228.00000 131838.234  0.29%   173   17s
*   24     8               6    132226.00000 131871.747  0.27%   171   17s
*   37     5               8    132131.00000 131965.662  0.13%   198   19s

Cutting planes:
  Gomory: 1
  Flow cover: 4

Explored 42 nodes (27384 simplex iterations) in 19.88 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.321310000000e+05, best bound 1.321310000000e+05, gap 0.0%