Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:58 2013

Optimize a model with 400 rows, 4220 columns and 8760 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.01s
Presolved: 380 rows, 4200 columns, 8640 nonzeros
Variable types: 4140 continuous, 60 integer (60 binary)

Root relaxation: objective 3.709539e+04, 470 iterations, 0.01 seconds

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

     0     0 37095.3933    0    8          - 37095.3933     -      -    0s
     0     0 37118.3760    0    6          - 37118.3760     -      -    0s
     0     0 37118.4329    0    6          - 37118.4329     -      -    0s
     0     0 37118.4329    0    6          - 37118.4329     -      -    0s
     0     0 37118.4329    0    6          - 37118.4329     -      -    0s
H    0     0                    37252.786539 37118.4329  0.36%     -    0s
     0     1 37230.7588    0    4 37252.7865 37230.7588  0.06%     -    0s
*    5     1               4    37250.989291 37247.5855  0.01%  18.2    0s

Cutting planes:
  Flow cover: 9

Explored 6 nodes (776 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.725098929094e+04, best bound 3.724758547768e+04, gap 0.0091%