Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:11 2013

Optimize a model with 150 rows, 2860 columns and 22585 nonzeros
Presolve removed 5 rows and 565 columns
Presolve time: 0.06s
Presolved: 145 rows, 2295 columns, 20585 nonzeros
Variable types: 2255 continuous, 40 integer (40 binary)

Root relaxation: objective 1.174557e+04, 57 iterations, 0.00 seconds

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

     0     0 11745.5748    0    5          - 11745.5748     -      -    0s
     0     0 11745.7339    0    5          - 11745.7339     -      -    0s
     0     0 11772.3871    0    9          - 11772.3871     -      -    0s
     0     0 11776.2831    0    4          - 11776.2831     -      -    0s
     0     0 11776.2831    0    4          - 11776.2831     -      -    0s
H    0     0                    11967.692879 11776.2831  1.60%     -    0s
H    0     0                    11889.658612 11776.2831  0.95%     -    0s
     0     0 11776.2831    0    4 11889.6586 11776.2831  0.95%     -    0s
     0     0 11776.3096    0    4 11889.6586 11776.3096  0.95%     -    0s
     0     0 11776.3096    0    4 11889.6586 11776.3096  0.95%     -    0s
     0     2 11776.3096    0    4 11889.6586 11776.3096  0.95%     -    0s
*    5     3               5    11779.403919 11779.4039   0.0%   9.6    0s

Cutting planes:
  Flow cover: 1

Explored 6 nodes (471 simplex iterations) in 0.68 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.177940391857e+04, best bound 1.177940391857e+04, gap 0.0%