warning: Ignored call to f5/1 in equation f2/1 
Inferred cost of f2(A): 
f2(A):[3]: 1
  with precondition: [] 

Solved cost expressions of f2(A): 
f2(A):[3]: 1  with precondition: [] 
Maximum cost of f2(A): 1 
Asymptotic class: constant 
Time statistics: 
Partial evaluation computed in 1 ms.
Invariants computed in 1 ms.
----Backward Invariants 0 ms.
----Transitive Invariants 0 ms.
Refinement performed in 0 ms.
Termination proved in 0 ms.
Upper bounds computed in 2 ms.
----Phase cost structures 0 ms.
--------Equation cost structures 0 ms.
--------Inductive compression(1) 0 ms.
--------Inductive compression(2) 0 ms.
--------Black Cost 0 ms.
----Chain cost structures 0 ms.
----Solving cost expressions 0 ms.

Compressed phase information: 0 
Compressed Chains: 0 
Compressed invariants: 0 
Total analysis performed in 4 ms.