Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:08:11 2013

Optimize a model with 87606 rows, 86676 columns and 346146 nonzeros
Presolve removed 93 rows and 0 columns
Presolve time: 0.43s
Presolved: 87513 rows, 86676 columns, 346053 nonzeros
Variable types: 86583 continuous, 93 integer (93 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    9198    8.4119345e+04   8.938619e+04   0.000000e+00      5s
   11046    8.5797188e+04   1.415163e+04   0.000000e+00     10s
   12726    8.6317592e+04   4.178833e+02   0.000000e+00     15s
   13009    8.6331324e+04   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 8.633132e+04, 13009 iterations, 16.40 seconds

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

     0     0 86331.3237    0   72          - 86331.3237     -      -   17s
H    0     0                    177155.00000 86331.3237  51.3%     -   30s
     0     0 114954.451    0   24 177155.000 114954.451  35.1%     -   61s
H    0     0                    150336.00000 114954.451  23.5%     -   66s
     0     0 124613.296    0    8 150336.000 124613.296  17.1%     -   73s
H    0     0                    143711.30721 124613.296  13.3%     -   73s
H    0     0                    132168.00000 124613.296  5.72%     -   74s
     0     0 125359.763    0    3 132168.000 125359.763  5.15%     -   76s
H    0     0                    130729.60603 125359.763  4.11%     -   76s
H    0     0                    129142.00000 125359.763  2.93%     -   76s
H    0     0                    126179.00000 125359.763  0.65%     -   76s
     0     2 125372.224    0    3 126179.000 125372.224  0.64%     -   78s
     2     3 125507.039    1    6 126179.000 125481.521  0.55%   584   80s
H   10     7                    126130.50000 125481.521  0.51%   354   83s
H   12     8                    126128.22727 125481.521  0.51%   352   83s
H   14    10                    126018.00000 125481.521  0.43%   328   84s
    16    13 125896.512   12    1 126018.000 125481.521  0.43%   375   85s
H   17    12                    125906.90909 125481.521  0.34%   353   85s
*   18    11              13    125893.00000 125481.521  0.33%   340   85s
H   25    10                    125770.95833 125502.523  0.21%   332   87s
H   26     9                    125763.89189 125502.523  0.21%   338   87s
*   27     8               8    125740.00000 125502.523  0.19%   327   87s

Cutting planes:
  Implied bound: 91

Explored 39 nodes (44882 simplex iterations) in 89.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.257400000000e+05, best bound 1.257400000000e+05, gap 0.0%