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// RUN: %boogie -noinfer -contractInfer -printAssignment -inlineDepth:1 -abstractHoudini:IA[ConstantProp] "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
var g: bool;
procedure foo()
modifies g;
ensures b0() || (!old(g) ==> old(g) == g);
{
call AcquireLock();
call ReleaseLock();
}
procedure AcquireLock()
modifies g;
ensures b1() || old(g) == g;
{
g := true;
}
procedure ReleaseLock()
modifies g;
ensures b2() || old(g) == g;
{
g := false;
}
procedure main()
modifies g;
{
g := false;
call foo();
assert Assert() || !g;
}
function {:existential true} b0(): bool;
function {:existential true} b1(): bool;
function {:existential true } b2(): bool;
function {:existential true} Assert(): bool;
// Expected: b0 = false, b1 = true, b2 = true, Assert = false
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