Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:18:36 2013

Optimize a model with 29808 rows, 29268 columns and 116748 nonzeros
Presolve removed 54 rows and 0 columns
Presolve time: 0.13s
Presolved: 29754 rows, 29268 columns, 116694 nonzeros
Variable types: 29214 continuous, 54 integer (54 binary)

Root relaxation: objective 4.216408e+04, 2734 iterations, 0.67 seconds

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

     0     0 42164.0762    0   40          - 42164.0762     -      -    0s
H    0     0                    49566.000000 42164.0762  14.9%     -    1s
H    0     0                    47029.000000 42164.0762  10.3%     -    2s
     0     0 45892.1992    0   11 47029.0000 45892.1992  2.42%     -    3s
     0     0 46454.5691    0    8 47029.0000 46454.5691  1.22%     -    4s
     0     0 46589.7383    0    6 47029.0000 46589.7383  0.93%     -    4s
H    0     0                    46699.000000 46589.7383  0.23%     -    4s
     0     0 46604.1555    0    5 46699.0000 46604.1555  0.20%     -    4s
     0     2 46609.0880    0    5 46699.0000 46609.0880  0.19%     -    5s

Cutting planes:
  Implied bound: 46

Explored 9 nodes (5582 simplex iterations) in 5.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.669900000000e+04, best bound 4.669900000000e+04, gap 0.0%