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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: "Fred. Zwarts" <F.Zwarts@HetNet.nl> Newsgroups: comp.theory Subject: Re: Sufficient knowledge of C proves that DD specifies non-terminating behavior to HHH Date: Sun, 9 Feb 2025 20:33:32 +0100 Organization: A noiseless patient Spider Lines: 191 Message-ID: <voavuf$p4au$4@dont-email.me> References: <vnumf8$24cq0$1@dont-email.me> <vnv4tf$2a40b$1@raubtier-asyl.eternal-september.org> <vnvv32$2e9m1$1@dont-email.me> <vo2pd4$31nli$1@raubtier-asyl.eternal-september.org> <vo2us8$32kg8$1@dont-email.me> <228a9804d6919149bac728ccf08134ed90db121e@i2pn2.org> <vo3cf0$35449$1@dont-email.me> <6f15178eda69b13fae9cbfef29acad05c9c6aeb3@i2pn2.org> <vo3t3n$37kcg$1@dont-email.me> <1454e934b709b66a0cb9de9e9796cb46fed0425c@i2pn2.org> <vo5c8c$3ipo2$2@dont-email.me> <f7f9c03f97de054f6393139c74f595f68400ede5@i2pn2.org> <vo6b14$3o0uo$1@dont-email.me> <274abb70abec9d461ac3eb34c0980b7421f5fabd@i2pn2.org> <vo6rhd$3tsq7$1@dont-email.me> <vo79pq$8vq$2@dont-email.me> <vo7qqb$36ra$2@dont-email.me> <vo8jr6$7fbd$2@dont-email.me> <vo9gth$fuct$2@dont-email.me> <vo9o3h$gu6t$2@dont-email.me> <voah0r$m3dj$6@dont-email.me> <voambu$ng5r$2@dont-email.me> <voamvc$nv62$1@dont-email.me> <voatki$p4au$2@dont-email.me> <voau7d$p4sc$2@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 09 Feb 2025 20:33:36 +0100 (CET) Injection-Info: dont-email.me; posting-host="930e93f17dee4a9dc5233f5584449d33"; logging-data="823646"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18th6par44tGsIbHNjNDM/4" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:9oMMdNbPmY0fEtEorWDip1TsoFk= In-Reply-To: <voau7d$p4sc$2@dont-email.me> Content-Language: nl, en-GB Bytes: 10290 Op 09.feb.2025 om 20:04 schreef olcott: > On 2/9/2025 12:54 PM, Fred. Zwarts wrote: >> Op 09.feb.2025 om 18:00 schreef olcott: >>> On 2/9/2025 10:50 AM, Fred. Zwarts wrote: >>>> Op 09.feb.2025 om 16:18 schreef olcott: >>>>> On 2/9/2025 2:13 AM, Fred. Zwarts wrote: >>>>>> Op 09.feb.2025 om 07:10 schreef olcott: >>>>>>> On 2/8/2025 3:54 PM, Fred. Zwarts wrote: >>>>>>>> Op 08.feb.2025 om 15:47 schreef olcott: >>>>>>>>> On 2/8/2025 3:57 AM, Fred. Zwarts wrote: >>>>>>>>>> Op 08.feb.2025 om 06:53 schreef olcott: >>>>>>>>>>> On 2/7/2025 7:27 PM, Richard Damon wrote: >>>>>>>>>>>> On 2/7/25 8:12 PM, olcott wrote: >>>>>>>>>>>>> On 2/7/2025 5:56 PM, Richard Damon wrote: >>>>>>>>>>>>>> On 2/7/25 11:26 AM, olcott wrote: >>>>>>>>>>>>>>> On 2/7/2025 6:20 AM, Richard Damon wrote: >>>>>>>>>>>>>>>> On 2/6/25 10:02 PM, olcott wrote: >>>>>>>>>>>>>>>>> On 2/6/2025 8:21 PM, Richard Damon wrote: >>>>>>>>>>>>>>>>>> On 2/6/25 5:18 PM, olcott wrote: >>>>>>>>>>>>>>>>>>> On 2/6/2025 1:51 PM, Richard Damon wrote: >>>>>>>>>>>>>>>>>>>> On 2/6/25 1:26 PM, olcott wrote: >>>>>>>>>>>>>>>>>>>>> On 2/6/2025 10:52 AM, Bonita Montero wrote: >>>>>>>>>>>>>>>>>>>>>> Am 05.02.2025 um 16:11 schrieb olcott: >>>>>>>>>>>>>>>>>>>>>>> On 2/5/2025 1:44 AM, Bonita Montero wrote: >>>>>>>>>>>>>>>>>>>>>>>> Am 05.02.2025 um 04:38 schrieb olcott: >>>>>>>>>>>>>>>>>>>>>>>>> This treatment does not typically last very >>>>>>>>>>>>>>>>>>>>>>>>> long and >>>>>>>>>>>>>>>>>>>>>>>>> will be immediately followed by a riskier >>>>>>>>>>>>>>>>>>>>>>>>> fourth line >>>>>>>>>>>>>>>>>>>>>>>>> of treatment that has an initial success rate >>>>>>>>>>>>>>>>>>>>>>>>> much higher >>>>>>>>>>>>>>>>>>>>>>>>> than its non progression mortality rate. >>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>> Halting problem solved ! >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>> The halting problem proof input does specify non- >>>>>>>>>>>>>>>>>>>>>>> halting >>>>>>>>>>>>>>>>>>>>>>> behavior to its decider. >>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>> https://www.researchgate.net/ >>>>>>>>>>>>>>>>>>>>>>> publication/369971402_Simulating_Termination_Analyzer_H_is_Not_Fooled_by_Pathological_Input_D >>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>> LOOOOOOOOL >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> Anyone that understands the C programming language >>>>>>>>>>>>>>>>>>>>> sufficiently well (thus not confused by the >>>>>>>>>>>>>>>>>>>>> unreachable >>>>>>>>>>>>>>>>>>>>> "if" statement) correctly understands that DD >>>>>>>>>>>>>>>>>>>>> simulated >>>>>>>>>>>>>>>>>>>>> by HHH cannot possibly reach its own return >>>>>>>>>>>>>>>>>>>>> instruction. >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> And anyone that understand the halting problem knows >>>>>>>>>>>>>>>>>>>> that isn't the question being asked. The quesiton >>>>>>>>>>>>>>>>>>>> you NEED to ask is will the program described by the >>>>>>>>>>>>>>>>>>>> input halt when run? >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> Since you start off with the wrong question, you >>>>>>>>>>>>>>>>>>>> logic is just faulty. >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Everyone that thinks my question is incorrect is wrong. >>>>>>>>>>>>>>>>>>> It has always been a mathematical mapping from finite >>>>>>>>>>>>>>>>>>> strings to behaviors. That people do not comprehend this >>>>>>>>>>>>>>>>>>> shows the shallowness of the depth of the learned-by- >>>>>>>>>>>>>>>>>>> rote >>>>>>>>>>>>>>>>>>> (lack of) understanding. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> No, you are just incorreect as you don't know what you >>>>>>>>>>>>>>>>>> are talking about. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Yes, it is a mapping of the string to the behavior, >>>>>>>>>>>>>>>>>> and that mapping is DEFINED to be the halting behavior >>>>>>>>>>>>>>>>>> of the program the string describes. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> No this is incorrect. The input finite string specifies >>>>>>>>>>>>>>>>> (not merely describes) non halting behavior to its >>>>>>>>>>>>>>>>> decider. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> No, since the definition of "Halting Behavior" is the >>>>>>>>>>>>>>>> behavior of the progran being run. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> It may seem that way to people that have learned-by-rote >>>>>>>>>>>>>>> as their only basis. It is actually nothing like that. >>>>>>>>>>>>>> >>>>>>>>>>>>>> No, that *IS* the definition. >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> A termination analyzer computes the mapping from finite >>>>>>>>>>>>> strings to the actual behavior that these finite strings >>>>>>>>>>>>> specify. That this is not dead obvious to everyone here >>>>>>>>>>>>> merely proves that learned-by-rote does not involve any >>>>>>>>>>>>> actual comprehension. >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> And the behavior the finite string specifies is the behavior >>>>>>>>>>>> of running the program. >>>>>>>>>>> >>>>>>>>>>> That is verifiably factually incorrect. >>>>>>>>>>> The running program has a different execution trace >>>>>>>>>>> than the behavior that DD specifies to HHH. >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> If so, then it proves the failure of the simulation. The >>>>>>>>>> simulation aborts too soon on unsound grounds, one cycle >>>>>>>>>> before the normal termination of the program. >>>>>>>>>> >>>>>>>>> >>>>>>>>> This proves that you simply don't have sufficient >>>>>>>>> understanding of the C programming language. >>>>>>>>> DD simulated by HHH cannot possibly terminate normally >>>>>>>>> is a verified fact. >>>>>>>>> >>>>>>>> >>>>>>>> Which proves that HHH fails to make a correct decision about >>>>>>>> DD's halting behaviour. All other methods (direct execution, >>>>>>>> simulation by a world class simulator, etc.) show that DD halts. >>>>>>>> But HHH fails to see it. Everyone with sufficient understanding >>>>>>>> of programming sees that HHH is not correctly programmed when it >>>>>>>> aborts one cycle before the simulation would end normally. >>>>>>> >>>>>>> typedef void (*ptr)(); >>>>>>> int HHH(ptr P); >>>>>>> >>>>>>> int DD() >>>>>>> { >>>>>>> int Halt_Status = HHH(DD); >>>>>>> if (Halt_Status) >>>>>>> HERE: goto HERE; >>>>>>> return Halt_Status; >>>>>>> } >>>>>>> >>>>>>> int main() >>>>>>> { >>>>>>> HHH(DD); >>>>>>> } >>>>>>> >>>>>>> You lack the ability to do the execution trace >>>>>>> of HHH simulating DD calling HHH(DD) simulating DD... >>>>>> >>>>>> The execution trace only shows that HHH is unable to complete its >>>>>> simulation, because HHH is unable to simulate itself. >>>>>> >>>>> >>>>> https://github.com/plolcott/x86utm/blob/master/Halt7.c >>>>> The above code proves that HHH does simulate itself simulating DD. >>>>> >>>>> That you can't understand this code proves that you lack the >>>>> technical basis to review my work. >>>>> >>>> ========== REMAINDER OF ARTICLE TRUNCATED ==========