Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:10 2013

Optimize a model with 14134 rows, 13764 columns and 54834 nonzeros
Presolve removed 37 rows and 0 columns
Presolve time: 0.06s
Presolved: 14097 rows, 13764 columns, 54797 nonzeros
Variable types: 13727 continuous, 37 integer (37 binary)

Root relaxation: objective 3.995672e+04, 3098 iterations, 0.66 seconds

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

     0     0 39956.7239    0   30          - 39956.7239     -      -    0s
H    0     0                    45251.000000 39956.7239  11.7%     -    1s
     0     0 44708.9198    0    4 45251.0000 44708.9198  1.20%     -    1s
H    0     0                    45036.000000 44708.9198  0.73%     -    1s
H    0     0                    44866.000000 44708.9198  0.35%     -    1s
     0     0 44719.3760    0    1 44866.0000 44719.3760  0.33%     -    1s
     0     2 44720.7472    0    1 44866.0000 44720.7472  0.32%     -    1s
*    4     3               3    44795.000000 44767.9500  0.06%  94.0    1s

Cutting planes:
  Implied bound: 30

Explored 6 nodes (4618 simplex iterations) in 1.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.479500000000e+04, best bound 4.479500000000e+04, gap 0.0%