Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:31 2013

Optimize a model with 140 rows, 1575 columns and 10575 nonzeros
Presolve removed 5 rows and 285 columns
Presolve time: 0.01s
Presolved: 135 rows, 1290 columns, 9575 nonzeros
Variable types: 1255 continuous, 35 integer (35 binary)

Root relaxation: objective 1.204447e+04, 53 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    4          - 12044.4669     -      -    0s
     0     0 12044.9969    0    7          - 12044.9969     -      -    0s
     0     0 12093.0908    0    3          - 12093.0908     -      -    0s
     0     0 12093.0908    0    3          - 12093.0908     -      -    0s
H    0     0                    12266.598797 12093.0908  1.41%     -    0s
     0     2 12093.0908    0    3 12266.5988 12093.0908  1.41%     -    0s
*   12     7              10    12134.783837 12093.0908  0.34%   5.7    0s
*   18     1               6    12097.772419 12097.7619  0.00%   4.2    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 19 nodes (256 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.209777241860e+04, best bound 1.209776192494e+04, gap 0.0001%