Path: ...!news.nobody.at!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: olcott Newsgroups: comp.theory Subject: Re: DDD correctly emulated by HHH is Correctly rejected as non-halting V2 Date: Thu, 18 Jul 2024 09:08:32 -0500 Organization: A noiseless patient Spider Lines: 70 Message-ID: References: <97e0632d0d889d141bdc6005ce6e513c53867798@i2pn2.org> <091e8b7baeea467ee894b1c79c8943cb9773adb7@i2pn2.org> <16ac79611a441e7e01119631051f69119eee958a@i2pn2.org> <23cb2d2401b87bf4f6a604aa1a78b93ffc9a29bc@i2pn2.org> <3fc6548531f91ed14a27420caf9679a634573ed0@i2pn2.org> <8a6e6d9ff49aabe2525ce5729a439c807de4768a@i2pn2.org> <3d124d535f6d59565df213fa58242ee156ee96bb@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Thu, 18 Jul 2024 16:08:32 +0200 (CEST) Injection-Info: dont-email.me; posting-host="59b16eacfb44a5409827c0dee7d881bf"; logging-data="2558298"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+SScNYaMVEu1xVJgv1/0Lq" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:pWllADrjXgorDWHZ8kmtZwLa/VQ= Content-Language: en-US In-Reply-To: Bytes: 4572 On 7/18/2024 3:00 AM, Mikko wrote: > On 2024-07-17 13:02:31 +0000, olcott said: > >> On 7/17/2024 1:48 AM, Mikko wrote: >>> On 2024-07-16 15:57:04 +0000, olcott said: >>> >>>>>> >>>>>> New slave_stack at:1038c4 >>>>>> Begin Local Halt Decider Simulation   Execution Trace Stored >>>>>> at:1138cc >>>>>> [00002172][001138bc][001138c0] 55         push ebp      ; >>>>>> housekeeping >>>>>> [00002173][001138bc][001138c0] 8bec       mov ebp,esp   ; >>>>>> housekeeping >>>>>> [00002175][001138b8][00002172] 6872210000 push 00002172 ; push DDD >>>>>> [0000217a][001138b4][0000217f] e853f4ffff call 000015d2 ; call >>>>>> HHH(DDD) >>>>>> New slave_stack at:14e2ec >>>>>> [00002172][0015e2e4][0015e2e8] 55         push ebp      ; >>>>>> housekeeping >>>>>> [00002173][0015e2e4][0015e2e8] 8bec       mov ebp,esp   ; >>>>>> housekeeping >>>>>> [00002175][0015e2e0][00002172] 6872210000 push 00002172 ; push DDD >>>>>> [0000217a][0015e2dc][0000217f] e853f4ffff call 000015d2 ; call >>>>>> HHH(DDD) >>>>>> Local Halt Decider: Infinite Recursion Detected Simulation Stopped >>>>> >>>>> The trace does not show that HHH returns so there is no basis to >>>>> think that HHH is a decider. >>>>> >>>> >>>> The trace shows the data of the executed program of HHH that >>>> does halt. >>> >>> It shows some of the data, not all, and in particular, not the halting. >>> >> >> _DDD() >> [00002163] 55         push ebp      ; housekeeping >> [00002164] 8bec       mov ebp,esp   ; housekeeping >> [00002166] 6863210000 push 00002163 ; push DDD >> [0000216b] e853f4ffff call 000015c3 ; call HHH(DDD) >> [00002170] 83c404     add esp,+04 >> [00002173] 5d         pop ebp >> [00002174] c3         ret >> Size in bytes:(0018) [00002174] >> >> DDD emulated by HHH according to the semantic meaning of >> its x86 instructions never stop running unless aborted. > > The abortion is shown but not any reason to abort. > In other words it is too difficult for you to understand that the above specifies this execution trace: *Repeat until aborted* { DDD emulated by HHH [00002163] 55 push ebp ; housekeeping [00002164] 8bec mov ebp,esp ; housekeeping [00002166] 6863210000 push 00002163 ; push DDD [0000216b] e853f4ffff call 000015c3 ; call HHH(DDD) } -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer