start :: fn {
    ts := 0
    t :: fn -> bool {
        ts += 1
        ret true
    }

    fs := 0
    f :: fn -> bool {
        fs += 1
        ret false
    }

    i :: fn -> bool {
        <!>
        ret false
    }

    if f() && i() {
        <!>
    }

    if t() || i() {
        // This block is intentionally left blank
    } else {
        <!>
    }

    if f() && i() && i() {
        <!>
    }

    if t() || i() || i() {
        // This block is intentionally left blank
    } else {
        <!>
    }

    fs <=> 2
    ts <=> 2
}