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// RUN: %boogie -typeEncoding:n -logPrefix:0n "%s" > "%t"
// RUN: %diff "%s.n.expect" "%t"
// RUN: %boogie -typeEncoding:p -logPrefix:0p "%s" > "%t"
// RUN: %diff "%s.p.expect" "%t"
// RUN: %boogie -typeEncoding:a -logPrefix:0a "%s" > "%t"
// RUN: %diff "%s.a.expect" "%t"
type Wicket;
const unique r: Wicket;
const unique s, t: Wicket extends unique r;
procedure P() returns () {
assert (forall x:Wicket, y:Wicket :: x <: s && y <: t ==> x != y);
assert false; // unprovable
}
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