Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:29:53 2013

Optimize a model with 34336 rows, 33756 columns and 134676 nonzeros
Presolve removed 58 rows and 0 columns
Presolve time: 0.15s
Presolved: 34278 rows, 33756 columns, 134618 nonzeros
Variable types: 33698 continuous, 58 integer (58 binary)

Root relaxation: objective 5.138158e+04, 4154 iterations, 1.41 seconds

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

     0     0 51381.5760    0   45          - 51381.5760     -      -    1s
H    0     0                    74528.000000 51381.5760  31.1%     -    3s
     0     0 62024.0846    0   11 74528.0000 62024.0846  16.8%     -    6s
H    0     0                    69071.407763 62024.0846  10.2%     -    6s
H    0     0                    65671.000000 62024.0846  5.55%     -    6s
H    0     0                    65478.000000 62024.0846  5.27%     -    6s
     0     0 63461.6260    0    2 65478.0000 63461.6260  3.08%     -    6s
H    0     0                    64615.000000 63461.6260  1.78%     -    6s
     0     2 63472.5069    0    2 64615.0000 63472.5069  1.77%     -    7s
H    4     4                    63948.769231 63537.2302  0.64%   106    7s
*    5     4               5    63561.000000 63537.2302  0.04%  98.4    7s
*   10     1               2    63545.000000 63545.0000   0.0%  75.3    7s

Cutting planes:
  Implied bound: 49

Explored 11 nodes (8577 simplex iterations) in 7.79 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.354500000000e+04, best bound 6.354500000000e+04, gap 0.0%