Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:22 2013

Optimize a model with 150 rows, 1305 columns and 10640 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.01s
Presolved: 145 rows, 1300 columns, 9635 nonzeros
Variable types: 1260 continuous, 40 integer (40 binary)

Root relaxation: objective 1.204447e+04, 46 iterations, 0.00 seconds

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

     0     0 12044.4669    0    3          - 12044.4669     -      -    0s
     0     0 12044.7115    0    4          - 12044.7115     -      -    0s
     0     0 12096.0825    0    3          - 12096.0825     -      -    0s
     0     0 12097.3762    0    3          - 12097.3762     -      -    0s
     0     0 12097.3762    0    3          - 12097.3762     -      -    0s
     0     0 12097.3762    0    2          - 12097.3762     -      -    0s
     0     0 12097.3967    0    5          - 12097.3967     -      -    0s
     0     0 12097.3971    0    5          - 12097.3971     -      -    0s
     0     0 12097.3971    0    5          - 12097.3971     -      -    0s
     0     2 12097.4183    0    5          - 12097.4183     -      -    0s
*   12     5              10    12134.785468 12097.7619  0.31%   5.7    0s
*   17     1               5    12097.775593 12097.7756   0.0%   4.8    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 18 nodes (335 simplex iterations) in 0.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.209777559273e+04, best bound 1.209777559273e+04, gap 0.0%