Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:39:03 2013

Optimize a model with 73185 rows, 72335 columns and 289085 nonzeros
Presolve removed 2569 rows and 0 columns
Presolve time: 0.49s
Presolved: 70616 rows, 72335 columns, 283947 nonzeros
Variable types: 72250 continuous, 85 integer (85 binary)

Root relaxation: objective 1.008250e+05, 16468 iterations, 3.86 seconds

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

     0     0 100824.952    0    1          - 100824.952     -      -    4s
H    0     0                    102762.00000 100824.952  1.88%     -    4s
     0     0 100840.322    0    3 102762.000 100840.322  1.87%     -    5s
     0     0 100840.322    0    3 102762.000 100840.322  1.87%     -    5s
     0     2 100840.928    0    3 102762.000 100840.928  1.87%     -    8s
     4     6 100924.724    4    3 102762.000 100924.724  1.79%   172   10s
H    6     6                    102756.62500 100928.734  1.78%   123   10s
H    7     6                    101959.65034 100929.003  1.01%   112   10s
H   14    13                    101833.54640 100929.770  0.89%   224   12s
*   18    16              15    101625.00000 100929.770  0.68%   227   13s
H   22    13                    101567.62500 100929.770  0.63%   197   13s
H   23    12                    101526.00000 100929.770  0.59%   189   13s
*   24    13              21    101421.00000 100929.770  0.48%   186   13s
H   27    10                    101332.40642 100957.122  0.37%   169   14s
H   27     2                    100989.00000 100957.122  0.03%   169   14s
*   30     3              10    100984.00000 100957.122  0.03%   157   14s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 33 nodes (21292 simplex iterations) in 14.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.009840000000e+05, best bound 1.009778077716e+05, gap 0.0061%