           /*********************************************************/
                           /*Proof Rule Declarations*/
                             /*Examiner GPL Edition*/

           /*********************************************************/


                    /*procedure Zone_File_Parser.parseIpv6*/


rule_family parseipv6_rules:
     X      requires [X:any] &
     X <= Y requires [X:ire, Y:ire] &
     X >= Y requires [X:ire, Y:ire].

parseipv6_rules(1): integer__size >= 0 may_be_deduced.
parseipv6_rules(2): integer__first may_be_replaced_by -2147483648.
parseipv6_rules(3): integer__last may_be_replaced_by 2147483647.
parseipv6_rules(4): integer__base__first may_be_replaced_by -2147483648.
parseipv6_rules(5): integer__base__last may_be_replaced_by 2147483647.
parseipv6_rules(6): character__size >= 0 may_be_deduced.
parseipv6_rules(7): character__first may_be_replaced_by 0.
parseipv6_rules(8): character__last may_be_replaced_by 255.
parseipv6_rules(9): character__base__first may_be_replaced_by 0.
parseipv6_rules(10): character__base__last may_be_replaced_by 255.
parseipv6_rules(11): positive__size >= 0 may_be_deduced.
parseipv6_rules(12): positive__first may_be_replaced_by 1.
parseipv6_rules(13): positive__last may_be_replaced_by 2147483647.
parseipv6_rules(14): positive__base__first may_be_replaced_by -2147483648.
parseipv6_rules(15): positive__base__last may_be_replaced_by 2147483647.
parseipv6_rules(16): rr_type__rritemtype__size >= 0 may_be_deduced.
parseipv6_rules(17): rr_type__rritemtype__first may_be_replaced_by rr_type__domainnameortimespec.
parseipv6_rules(18): rr_type__rritemtype__last may_be_replaced_by rr_type__other.
parseipv6_rules(19): rr_type__rritemtype__base__first may_be_replaced_by rr_type__domainnameortimespec.
parseipv6_rules(20): rr_type__rritemtype__base__last may_be_replaced_by rr_type__other.
parseipv6_rules(21): rr_type__rritemtype__pos(rr_type__rritemtype__first) may_be_replaced_by 0.
parseipv6_rules(22): rr_type__rritemtype__pos(
     rr_type__domainnameortimespec) may_be_replaced_by 0.
parseipv6_rules(23): rr_type__rritemtype__val(0) may_be_replaced_by 
     rr_type__domainnameortimespec.
parseipv6_rules(24): rr_type__rritemtype__pos(rr_type__number) may_be_replaced_by 1.
parseipv6_rules(25): rr_type__rritemtype__val(1) may_be_replaced_by 
     rr_type__number.
parseipv6_rules(26): rr_type__rritemtype__pos(rr_type__class) may_be_replaced_by 2.
parseipv6_rules(27): rr_type__rritemtype__val(2) may_be_replaced_by 
     rr_type__class.
parseipv6_rules(28): rr_type__rritemtype__pos(
     rr_type__recordindicator) may_be_replaced_by 3.
parseipv6_rules(29): rr_type__rritemtype__val(3) may_be_replaced_by 
     rr_type__recordindicator.
parseipv6_rules(30): rr_type__rritemtype__pos(rr_type__ipv4) may_be_replaced_by 4.
parseipv6_rules(31): rr_type__rritemtype__val(4) may_be_replaced_by 
     rr_type__ipv4.
parseipv6_rules(32): rr_type__rritemtype__pos(rr_type__ipv6) may_be_replaced_by 5.
parseipv6_rules(33): rr_type__rritemtype__val(5) may_be_replaced_by 
     rr_type__ipv6.
parseipv6_rules(34): rr_type__rritemtype__pos(rr_type__lparen) may_be_replaced_by 6.
parseipv6_rules(35): rr_type__rritemtype__val(6) may_be_replaced_by 
     rr_type__lparen.
parseipv6_rules(36): rr_type__rritemtype__pos(rr_type__rparen) may_be_replaced_by 7.
parseipv6_rules(37): rr_type__rritemtype__val(7) may_be_replaced_by 
     rr_type__rparen.
parseipv6_rules(38): rr_type__rritemtype__pos(rr_type__control) may_be_replaced_by 8.
parseipv6_rules(39): rr_type__rritemtype__val(8) may_be_replaced_by 
     rr_type__control.
parseipv6_rules(40): rr_type__rritemtype__pos(rr_type__comment) may_be_replaced_by 9.
parseipv6_rules(41): rr_type__rritemtype__val(9) may_be_replaced_by 
     rr_type__comment.
parseipv6_rules(42): rr_type__rritemtype__pos(rr_type__other) may_be_replaced_by 10.
parseipv6_rules(43): rr_type__rritemtype__val(10) may_be_replaced_by 
     rr_type__other.
parseipv6_rules(44): rr_type__rritemtype__pos(rr_type__rritemtype__last) may_be_replaced_by 10.
parseipv6_rules(45): rr_type__rritemtype__pos(succ(X)) may_be_replaced_by 
     rr_type__rritemtype__pos(X) + 1
     if [X <=rr_type__other, X <> rr_type__other].
parseipv6_rules(46): rr_type__rritemtype__pos(pred(X)) may_be_replaced_by 
     rr_type__rritemtype__pos(X) - 1
     if [X >=rr_type__domainnameortimespec, X <> 
     rr_type__domainnameortimespec].
parseipv6_rules(47): rr_type__rritemtype__pos(X) >= 0 may_be_deduced_from
     [rr_type__domainnameortimespec <= X, X <= rr_type__other].
parseipv6_rules(48): rr_type__rritemtype__pos(X) <= 10 may_be_deduced_from
     [rr_type__domainnameortimespec <= X, X <= rr_type__other].
parseipv6_rules(49): rr_type__rritemtype__val(X) >= 
     rr_type__domainnameortimespec may_be_deduced_from
     [0 <= X, X <= 10].
parseipv6_rules(50): rr_type__rritemtype__val(X) <= 
     rr_type__other may_be_deduced_from
     [0 <= X, X <= 10].
parseipv6_rules(51): succ(rr_type__rritemtype__val(X)) may_be_replaced_by 
     rr_type__rritemtype__val(X+1)
     if [0 <= X, X < 10].
parseipv6_rules(52): pred(rr_type__rritemtype__val(X)) may_be_replaced_by 
     rr_type__rritemtype__val(X-1)
     if [0 < X, X <= 10].
parseipv6_rules(53): rr_type__rritemtype__pos(rr_type__rritemtype__val(X)) may_be_replaced_by X
     if [0 <= X, X <= 10].
parseipv6_rules(54): rr_type__rritemtype__val(rr_type__rritemtype__pos(X)) may_be_replaced_by X
     if [rr_type__domainnameortimespec <= X, X <= rr_type__other].
parseipv6_rules(55): rr_type__rritemtype__pos(X) <= 
     rr_type__rritemtype__pos(Y) & X <= Y are_interchangeable 
     if [rr_type__domainnameortimespec <= X, X <= rr_type__other, 
     rr_type__domainnameortimespec <= Y, Y <= rr_type__other].
parseipv6_rules(56): rr_type__rritemtype__val(X) <= 
     rr_type__rritemtype__val(Y) & X <= Y are_interchangeable 
     if [0 <= X, X <= 10, 0 <= Y, Y <= 10].
parseipv6_rules(57): rr_type__linelengthindex__size >= 0 may_be_deduced.
parseipv6_rules(58): rr_type__linelengthindex__first may_be_replaced_by 1.
parseipv6_rules(59): rr_type__linelengthindex__last may_be_replaced_by 256.
parseipv6_rules(60): rr_type__linelengthindex__base__first may_be_replaced_by -2147483648.
parseipv6_rules(61): rr_type__linelengthindex__base__last may_be_replaced_by 2147483647.
