never {
accept_init:
s0_init:
    if
    :: (p) -> goto s1
    :: !(p) -> goto s2
    fi;
s1:
    if
    :: (p) -> goto s3
    :: !(p) -> goto s5
    fi;
s2:
    if
    :: (p) -> goto s3
    :: !(p) -> goto accept_s4
    fi;
s3:
    if
    :: (1) -> goto s3
    fi;
s5:
    if
    :: (p) -> goto s6
    :: !(p) -> goto s7
    fi;
s6:
    if
    :: (1) -> goto s8
    fi;
s7:
    if
    :: (p) -> goto s8
    :: !(p) -> goto s5
    fi;
s8:
    if
    :: (1) -> goto s6
    fi;
accept_s4:
    if
    :: (p) -> goto s3
    :: !(p) -> goto accept_s4
    fi;
}