induction-triggers.dfy(3,10): Info: tail recursive
induction-triggers.dfy(19,2): Info: Selected triggers: {f(ih_n)}
induction-triggers.dfy(3,10): Info: decreases n
induction-triggers.dfy(16,25): Info: decreases n
induction-triggers.dfy(7,6): Info: {:induction n}
induction-triggers.dfy(7,6): Info: {:inductionTrigger f(n)}
induction-triggers.dfy(10,21): Info: {:inductionTrigger f(n)}
induction-triggers.dfy(25,6): Info: omitting automatic induction (for induction-variable candidate n) because of lack of triggers
induction-triggers.dfy(28,19): Warning: Could not find a trigger for the induction hypothesis. Without a trigger, this may cause brittle verification. Change or remove the {:induction} attribute to generate a different induction hypothesis, or add {:nowarn} to silence this warning. For more information, see the section quantifier instantiation rules in the reference manual.
induction-triggers.dfy(28,19): Info: {:induction n}
induction-triggers.dfy(31,44): Info: {:induction n}
induction-triggers.dfy(34,26): Info: {:induction n}
induction-triggers.dfy(35,26): Info: {:induction n}
induction-triggers.dfy(36,39): Info: {:induction n}
induction-triggers.dfy(39,44): Info: {:induction n}
induction-triggers.dfy(42,21): Warning: Could not find a trigger for the induction hypothesis. Without a trigger, this may cause brittle verification. Change or remove the {:induction} attribute to generate a different induction hypothesis, or add {:nowarn} to silence this warning. For more information, see the section quantifier instantiation rules in the reference manual.
induction-triggers.dfy(19,2): Info: ensures f(ih_n)
induction-triggers.dfy(13,58): Error: a postcondition could not be proved on this return path
induction-triggers.dfy(13,53): Related location: this is the postcondition that could not be proved
induction-triggers.dfy(3,47): Related location: this proposition could not be proved
induction-triggers.dfy(25,42): Error: a postcondition could not be proved on this return path
induction-triggers.dfy(25,33): Related location: this is the postcondition that could not be proved
induction-triggers.dfy(3,47): Related location: this proposition could not be proved
induction-triggers.dfy(39,80): Error: a postcondition could not be proved on this return path
induction-triggers.dfy(39,71): Related location: this is the postcondition that could not be proved
induction-triggers.dfy(3,47): Related location: this proposition could not be proved

Dafny program verifier finished with 17 verified, 3 errors
