var x: int;

var y: int;

var z: int;

procedure p();



implementation p()
{

  A:
    assume {:inferred} true;
    assume {:inferred} true;
    goto B, C;

  C:
    assume {:inferred} true;
    assume y <= 0;
    assume {:inferred} y < 1;
    goto D;

  D:
    assume {:inferred} true;
    assume {:inferred} true;
    return;

  B:
    assume {:inferred} true;
    assume x <= 0;
    assume {:inferred} x < 1;
    goto D;
}



Boogie program verifier finished with 0 verified, 0 errors