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function {:existential true} Assert(x:bool) : bool;
function {:existential true} b1 (x:bool):bool;
function {:existential true} b2 (x:bool):bool;
var myVar: int;
procedure bar(i:int)
modifies myVar;
ensures Assert(myVar>0);
{
call foo(5);
}
procedure foo (i:int)
modifies myVar;
ensures b1(myVar>0);
ensures Assert(myVar!=-1);
{
if (i>0) {
myVar := 5;
} else {
myVar := 0;
}
}
// expected end assigment: Assert(x) = true, b1(x) = true, b2(x) = false
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