warning: Ignored call to stop/4 in equation lbl41/4 
Inferred cost of lbl41(A,B,C,D): 
lbl41(A,B,C,D):[7]: 1
  with precondition: [D=C] 

Inferred cost of start(A,B,C,D): 
start(A,B,C,D):[9]: 2
  with precondition: [B=A,D=C] 

Inferred cost of start0(A,B,C,D): 
start0(A,B,C,D):[11]: 3
  with precondition: [] 

Solved cost expressions of start0(A,B,C,D): 
start0(A,B,C,D):[11]: 3  with precondition: [] 
Maximum cost of start0(A,B,C,D): 3 
Asymptotic class: constant 
Time statistics: 
Partial evaluation computed in 1 ms.
Invariants computed in 0 ms.
----Backward Invariants 0 ms.
----Transitive Invariants 0 ms.
Refinement performed in 2 ms.
Termination proved in 0 ms.
Upper bounds computed in 3 ms.
----Phase cost structures 2 ms.
--------Equation cost structures 1 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 11 ms.