Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:32:36 2013

Optimize a model with 35518 rows, 34928 columns and 139358 nonzeros
Presolve removed 59 rows and 0 columns
Presolve time: 0.15s
Presolved: 35459 rows, 34928 columns, 139299 nonzeros
Variable types: 34869 continuous, 59 integer (59 binary)

Root relaxation: objective 5.258260e+04, 4788 iterations, 2.55 seconds

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

     0     0 52582.5997    0   45          - 52582.5997     -      -    2s
H    0     0                    73097.000000 52582.5997  28.1%     -    3s
     0     0 65154.1899    0    7 73097.0000 65154.1899  10.9%     -    6s
H    0     0                    66946.090013 65154.1899  2.68%     -    6s
H    0     0                    66232.000000 65154.1899  1.63%     -    6s
H    0     0                    65365.000000 65154.1899  0.32%     -    6s
     0     0 65325.0000    0    1 65365.0000 65325.0000  0.06%     -    6s
     0     0 65347.7143    0    1 65365.0000 65347.7143  0.03%     -    7s
     0     0 65361.0331    0    2 65365.0000 65361.0331  0.01%     -    7s

Cutting planes:
  Implied bound: 49

Explored 0 nodes (8074 simplex iterations) in 7.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.536500000000e+04, best bound 6.536103311258e+04, gap 0.0061%