Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:29:08 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 5.000532e+04, 4613 iterations, 2.64 seconds

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

     0     0 50005.3156    0   52          - 50005.3156     -      -    2s
H    0     0                    76436.000000 50005.3156  34.6%     -    4s
     0     0 61455.3006    0    9 76436.0000 61455.3006  19.6%     -    7s
H    0     0                    67661.818903 61455.3006  9.17%     -    7s
H    0     0                    65142.000000 61455.3006  5.66%     -    7s
     0     0 62797.6177    0    6 65142.0000 62797.6177  3.60%     -    8s
H    0     0                    64757.000000 62797.6177  3.03%     -    8s
H    0     0                    62989.000000 62797.6177  0.30%     -    8s
     0     2 62798.0536    0    5 62989.0000 62798.0536  0.30%     -    9s
    14     9 62915.4634   12    1 62989.0000 62856.9750  0.21%   115   10s
*   16     7              14    62973.000000 62856.9750  0.18%   139   10s
*   32     6               7    62964.000000 62869.7423  0.15%   112   10s
*   45     0               9    62925.000000 62925.0000   0.0%  97.0   11s

Cutting planes:
  Gomory: 2
  Implied bound: 56

Explored 46 nodes (13579 simplex iterations) in 11.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.292500000000e+04, best bound 6.292500000000e+04, gap 0.0%