Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:25:42 2013

Optimize a model with 83902 rows, 82992 columns and 331422 nonzeros
Presolve removed 91 rows and 0 columns
Presolve time: 0.40s
Presolved: 83811 rows, 82992 columns, 331331 nonzeros
Variable types: 82901 continuous, 91 integer (91 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    9580    8.4611765e+04   5.148311e+05   0.000000e+00      5s
   11395    8.6306964e+04   3.321773e+04   0.000000e+00     10s
   13210    8.7514037e+04   3.352679e+05   0.000000e+00     15s
   14529    8.7678599e+04   0.000000e+00   0.000000e+00     19s

Root relaxation: objective 8.767860e+04, 14529 iterations, 19.18 seconds
Total elapsed time = 20.08s

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

     0     0 87678.5990    0   73          - 87678.5990     -      -   20s
H    0     0                    185062.00000 87678.5990  52.6%     -   38s
     0     0 131457.924    0   21 185062.000 131457.924  29.0%     -   67s
H    0     0                    184338.60274 131457.924  28.7%     -   67s
H    0     0                    151375.00000 131457.924  13.2%     -   73s
H    0     0                    150602.00000 131457.924  12.7%     -   76s
     0     0 137449.976    0    5 150602.000 137449.976  8.73%     -   83s
H    0     0                    146931.47295 137449.976  6.45%     -   83s
H    0     0                    145075.00000 137449.976  5.26%     -   83s
     0     0 138172.626    0    1 145075.000 138172.626  4.76%     -   84s
H    0     0                    139497.62626 138172.626  0.95%     -   84s
H    0     0                    138864.00000 138172.626  0.50%     -   84s
H    0     0                    138837.00000 138172.626  0.48%     -   85s
     0     2 138173.380    0    1 138837.000 138173.380  0.48%     -   86s
H    4     4                    138373.80000 138287.087  0.06%   513   89s
     9     4 138336.700    8    1 138373.800 138309.521  0.05%   321   90s
*   28     4              27    138368.00000 138309.521  0.04%   169   93s
*   30     2               6    138364.00000 138350.651  0.01%   161   93s

Cutting planes:
  Gomory: 1
  Implied bound: 91

Explored 31 nodes (40791 simplex iterations) in 93.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.383640000000e+05, best bound 1.383506505529e+05, gap 0.0096%