Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:25 2013

Optimize a model with 34 rows, 2070 columns and 26041 nonzeros
Presolve removed 12 rows and 60 columns
Presolve time: 0.08s
Presolved: 22 rows, 2010 columns, 24018 nonzeros
Variable types: 2000 continuous, 10 integer (10 binary)

Root relaxation: objective 3.501964e+03, 18 iterations, 0.00 seconds

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

     0     0 3501.96355    0    4          - 3501.96355     -      -    0s
     0     0 3501.96449    0    4          - 3501.96449     -      -    0s
     0     0 3501.97859    0    5          - 3501.97859     -      -    0s
     0     0 3501.97859    0    5          - 3501.97859     -      -    0s
H    0     0                    3502.0000000 3501.97859  0.00%     -    0s

Cutting planes:
  Implied bound: 1
  Flow cover: 1

Explored 0 nodes (57 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.502000000000e+03, best bound 3.501978588203e+03, gap 0.0006%