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// RUN: %boogie -noinfer -contractInfer -printAssignment "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
const {:existential true} b1:bool;
const {:existential true} b2:bool;
const {:existential true} b3:bool;
const {:existential true} b4:bool;
const {:existential true} b5:bool;
const {:existential true} b6:bool;
const {:existential true} b7:bool;
const {:existential true} b8:bool;
var array:[int]int;
procedure foo (i:int)
requires b6 ==> i < 0;
requires b5 ==> i == 0;
requires b2 ==> i > 0;
ensures b3 ==> array[i] > 0;
modifies array;
ensures (forall x:int :: {array[x]} x == i || array[x] == old(array)[x]);
{
array[i] := 2 * i;
}
procedure bar (j:int) returns (result:int)
requires b8 ==> j < 0;
requires b7 ==> j == 0;
requires b4 ==> j > 0;
modifies array;
ensures (forall x:int :: {array[x]} (x == j) || array[x] == old(array)[x]);
ensures (b1 ==> array[j] == old(array)[j]);
{
call foo(j);
result := array[j];
}
var p:int;
procedure main() returns (result: int)
modifies array;
{
call result:= bar(p);
}
// expected outcome: Correct
// expected assigment: bi->False forall i
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