Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:30 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 1.704455e+04, 91 iterations, 0.00 seconds

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

     0     0 17044.5499    0    4          - 17044.5499     -      -    0s
     0     0 17044.9816    0    7          - 17044.9816     -      -    0s
     0     0 17087.7592    0    3          - 17087.7592     -      -    0s
     0     0 17087.7592    0    3          - 17087.7592     -      -    0s
H    0     0                    17304.811894 17087.7592  1.25%     -    0s
     0     0 17087.7592    0    3 17304.8119 17087.7592  1.25%     -    0s
     0     0 17087.7786    0    6 17304.8119 17087.7786  1.25%     -    0s
     0     0 17087.7786    0    6 17304.8119 17087.7786  1.25%     -    0s
     0     2 17088.5380    0    6 17304.8119 17088.5380  1.25%     -    0s
*    6     5               6    17094.822350 17088.8225  0.04%   8.3    0s
*   15     1               6    17091.445489 17091.3648  0.00%   4.1    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 16 nodes (435 simplex iterations) in 0.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.709144548910e+04, best bound 1.709136483096e+04, gap 0.0005%