Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:19:43 2013

Optimize a model with 1100 rows, 25850 columns and 53800 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.16s
Presolved: 1050 rows, 25800 columns, 53250 nonzeros
Variable types: 25600 continuous, 200 integer (200 binary)

Root relaxation: objective 1.650739e+05, 2075 iterations, 0.09 seconds

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

     0     0 165073.856    0    6          - 165073.856     -      -    0s
     0     0 165162.968    0    6          - 165162.968     -      -    0s
     0     0 165184.711    0    6          - 165184.711     -      -    0s
     0     0 165186.743    0    6          - 165186.743     -      -    0s
     0     0 165189.696    0    6          - 165189.696     -      -    0s
     0     0 165190.822    0    6          - 165190.822     -      -    0s
     0     0 165192.218    0    6          - 165192.218     -      -    0s
     0     0 165192.218    0    6          - 165192.218     -      -    0s
     0     0 165193.992    0    6          - 165193.992     -      -    1s
     0     0 165193.992    0    6          - 165193.992     -      -    1s
     0     0 165193.992    0    6          - 165193.992     -      -    1s
     0     0 165193.992    0    6          - 165193.992     -      -    1s
     0     0 165193.992    0    6          - 165193.992     -      -    1s
H    0     0                    171432.23233 165193.992  3.64%     -    1s
     0     2 165231.013    0    6 171432.232 165231.013  3.62%     -    1s
*   12     6              12    165619.49000 165552.738  0.04%  31.5    2s

Cutting planes:
  Flow cover: 10

Explored 17 nodes (3381 simplex iterations) in 2.43 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.656194900012e+05, best bound 1.656075126568e+05, gap 0.0072%