Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:27 2013

Optimize a model with 418 rows, 14478 columns and 28918 nonzeros
Presolve time: 0.02s
Presolved: 418 rows, 14478 columns, 28918 nonzeros
Variable types: 14440 continuous, 38 integer (38 binary)

Root relaxation: objective 4.035339e+04, 667 iterations, 0.01 seconds

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

     0     0 40353.3851    0    5          - 40353.3851     -      -    0s
H    0     0                    40949.000000 40353.3851  1.45%     -    0s
H    0     0                    40480.000000 40353.3851  0.31%     -    0s
     0     0 40472.1065    0    3 40480.0000 40472.1065  0.02%     -    0s
     0     0 40476.2838    0    2 40480.0000 40476.2838  0.01%     -    0s

Cutting planes:
  Implied bound: 42
  Flow cover: 3

Explored 0 nodes (791 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.048000000000e+04, best bound 4.047628382353e+04, gap 0.0092%