Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:52:43 2013

Optimize a model with 74906 rows, 74046 columns and 295926 nonzeros
Presolve removed 4010 rows and 0 columns
Presolve time: 0.49s
Presolved: 70896 rows, 74046 columns, 287906 nonzeros
Variable types: 73960 continuous, 86 integer (86 binary)

Root relaxation: objective 1.006273e+05, 13447 iterations, 2.88 seconds

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

     0     0 100627.326    0    2          - 100627.326     -      -    3s
H    0     0                    102400.00000 100627.326  1.73%     -    3s
     0     0 100627.965    0    3 102400.000 100627.965  1.73%     -    4s
     0     0 100627.965    0    3 102400.000 100627.965  1.73%     -    4s
     0     2 100627.984    0    3 102400.000 100627.984  1.73%     -    8s
H    2     2                    101331.21377 100683.935  0.64%   121    8s
H    4     4                    101273.21377 100683.935  0.58%   304    9s
H    5     5                    101240.48837 100683.935  0.55%   262    9s
     9     8 100958.200    8    1 101240.488 100683.935  0.55%   176   10s
H   18     5                    101181.04348 100683.935  0.49%   127   11s
H   21     8                    101110.33333 100779.660  0.33%   133   11s
H   22     4                    100927.95349 100779.660  0.15%   134   11s
H   23     3                    100914.16667 100779.660  0.13%   133   11s
*   25     2               7    100847.00000 100779.660  0.07%   125   12s

Cutting planes:
  Gomory: 2
  Flow cover: 2

Explored 30 nodes (17144 simplex iterations) in 12.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.008470000000e+05, best bound 1.008420000000e+05, gap 0.0050%