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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 Box, C;
function box<a>(a) returns (Box);
function unbox<a>(Box) returns (a);
axiom (forall<a> x:a :: unbox(box(x)) == x);
axiom (forall<a> x:Box :: {unbox(x):a} box(unbox(x):a) == x);
axiom (forall x:Box :: box(unbox(x)) == x); // warning
procedure P() {
var b : Box;
var i : C;
assert unbox(box(13)) == 13;
i := unbox(b);
assert b == box(i);
assert false;
}
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