Test/og/foo.bpl


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// RUN: %boogie -noinfer "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
var {:phase 1} g:int;

procedure {:yields} {:phase 1} PB()
{
  yield;
  call Incr();
  yield;
}

procedure {:yields} {:phase 0,1} Incr();
ensures {:atomic}
|{A:
  g := g + 1; return true;
}|;

procedure {:yields} {:phase 0,1} Set(v: int);
ensures {:atomic}
|{A:
  g := v; return true;
}|;

procedure {:yields} {:phase 1} PC()
ensures {:phase 1} g == 3;
{
  yield;
  call Set(3);
  yield;
  assert {:phase 1} g == 3;
}

procedure {:yields} {:phase 1} PE()
{
  call PC();
}

procedure {:yields} {:phase 1} PD()
{
  call PC();
  assert {:phase 1} g == 3;
}

procedure {:yields} {:phase 1} Main()
{
  yield;
  while (*)
  {
    yield;
    async call PB();
    yield;
    async call PE();
    yield;
    async call PD();
    yield;
  }
}