Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:24:51 2013

Optimize a model with 33117 rows, 32547 columns and 130017 nonzeros
Presolve removed 3051 rows and 0 columns
Presolve time: 0.19s
Presolved: 30066 rows, 32547 columns, 123915 nonzeros
Variable types: 32490 continuous, 57 integer (57 binary)

Root relaxation: objective 6.453628e+04, 6344 iterations, 0.78 seconds

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

     0     0 64536.2794    0    2          - 64536.2794     -      -    1s
H    0     0                    64806.000000 64536.2794  0.42%     -    1s
H    0     0                    64634.000000 64536.2794  0.15%     -    1s
     0     0 64536.4609    0    4 64634.0000 64536.4609  0.15%     -    1s
     0     0 64536.4609    0    4 64634.0000 64536.4609  0.15%     -    1s
     0     0 64539.5769    0    2 64634.0000 64539.5769  0.15%     -    1s
     0     0 64539.8617    0    2 64634.0000 64539.8617  0.15%     -    1s
     0     0 64539.8617    0    1 64634.0000 64539.8617  0.15%     -    2s
     0     0 64540.0734    0    2 64634.0000 64540.0734  0.15%     -    2s
     0     2 64549.0000    0    2 64634.0000 64549.0000  0.13%     -    2s
*    1     1               1    64585.000000 64585.0000   0.0%  52.0    2s

Cutting planes:
  Gomory: 1

Explored 2 nodes (8089 simplex iterations) in 2.95 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.458500000000e+04, best bound 6.458500000000e+04, gap 0.0%