Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:37:57 2013

Optimize a model with 64880 rows, 64080 columns and 256080 nonzeros
Presolve removed 3369 rows and 0 columns
Presolve time: 0.41s
Presolved: 61511 rows, 64080 columns, 249342 nonzeros
Variable types: 64000 continuous, 80 integer (80 binary)

Root relaxation: objective 9.737006e+04, 15027 iterations, 3.22 seconds

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

     0     0 97370.0641    0    3          - 97370.0641     -      -    3s
H    0     0                    101317.00000 97370.0641  3.90%     -    3s
     0     0 97373.2712    0    5 101317.000 97373.2712  3.89%     -    4s
     0     0 97373.2712    0    5 101317.000 97373.2712  3.89%     -    5s
H    0     0                    99507.000000 97373.2712  2.14%     -    6s
H    0     0                    97728.000000 97373.2712  0.36%     -    7s
     0     0 97373.2712    0    3 97728.0000 97373.2712  0.36%     -   10s
     0     0 97374.5113    0    7 97728.0000 97374.5113  0.36%     -   10s
     0     0 97374.5113    0    7 97728.0000 97374.5113  0.36%     -   10s
     0     0 97374.5113    0    7 97728.0000 97374.5113  0.36%     -   11s
     0     0 97375.7337    0    4 97728.0000 97375.7337  0.36%     -   11s
     0     2 97387.6924    0    4 97728.0000 97387.6924  0.35%     -   13s
*   17     7               5    97673.000000 97511.1668  0.17%   148   14s

Cutting planes:
  Gomory: 2
  Flow cover: 6

Explored 28 nodes (25064 simplex iterations) in 14.87 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.767300000000e+04, best bound 9.767300000000e+04, gap 0.0%