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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"
const b:int;
const a:int extends b complete;
const c:int extends a;
const d:int extends a;
procedure P() returns () {
var x:int;
assert c <: b && d <: a;
assume x <: a && !(x <: c) && x != a;
assert x <: d;
assert b <: x; // should not be provable
}
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