CallByResolution0.dfy(8,6): Error: assignment to non-ghost variable is not allowed in this context, because the statement is in a ghost context; e.g., it may be guarded by a specification-only expression
CallByResolution0.dfy(9,4): Error: return statement is not allowed in this context (because it is guarded by a specification-only expression)
CallByResolution0.dfy(8,4): Error: a by block is not allowed to update a variable it doesn't declare
3 resolution/type errors detected in CallByResolution0.dfy
