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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 Field a, Heap = <a>[ref, Field a]a;
function f<b>(<a>[b, Field a]a) returns (int);
axiom (forall x:<a>[int, Field a]a :: f(x) == 17);
axiom (forall x:<a>[ref, Field a]a :: f(x) == 42);
procedure P() returns () {
var h : Heap, g : <a>[bool, Field a]a;
assert f(h) == 42;
assert f(g) >= 0; // should not be provable
}
type ref;
const null : ref;
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