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// RUN: %boogie -noinfer -typeEncoding:m -useArrayTheory "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
procedure {:yields} {:layer 0} X();
ensures {:atomic} |{ A: return true; }|;
procedure {:yields} {:layer 0} Y();
ensures {:left} |{ A: return true; }|;
procedure {:yields} {:layer 1} main() {
yield;
call X();
while (*)
invariant {:terminates} {:layer 1} true;
{
call Y();
}
yield;
assert {:layer 1} true;
}
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