never {
accept_init:
s0_init:
    if
    :: (q) -> goto s0_init
    :: !(q) -> goto s1
    fi;
s1:
    if
    :: (q) -> goto s0_init
    :: (p) && !(q) -> goto accept_s2
    :: !(p) && !(q) -> goto s3
    fi;
s3:
    if
    :: (p) && !(q) -> goto accept_s2
    :: (q) -> goto s0_init
    :: !(p) && !(q) -> goto s4
    fi;
s4:
    if
    :: (q) -> goto s0_init
    :: (p) && !(q) -> goto accept_s2
    :: !(p) && !(q) -> goto s5
    fi;
s5:
    if
    :: (p) && !(q) -> goto accept_s2
    :: !(p) && !(q) -> goto s4
    :: (q) -> goto s0_init
    fi;
s6:
    if
    :: !(p) && !(q) -> goto s3
    :: (p) && !(q) -> goto accept_s2
    :: (q) -> goto s0_init
    fi;
s7:
    if
    :: (p) && !(q) -> goto accept_s2
    :: !(p) && !(q) -> goto s8
    :: (q) -> goto s0_init
    fi;
s8:
    if
    :: (p) && !(q) -> goto accept_s2
    :: !(p) && !(q) -> goto s8
    :: (q) -> goto s0_init
    fi;
accept_s2:
    if
    :: (p) && !(q) -> goto s6
    :: (q) -> goto s0_init
    :: !(p) && !(q) -> goto s7
    fi;
}