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Groups > comp.lang.c++ > #119297
| From | wij <wyniijj5@gmail.com> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: D correctly simulated by H remains stuck in recursive simulation |
| Date | 2024-05-23 00:11 +0800 |
| Organization | A noiseless patient Spider |
| Message-ID | <5328d908ef5ddab316b1335538ea4b1c0892133b.camel@gmail.com> (permalink) |
| References | (17 earlier) <v2iq9s$nktr$1@dont-email.me> <v2j40o$pbui$1@dont-email.me> <v2j59o$ph45$1@dont-email.me> <v2kbt2$13ncm$2@dont-email.me> <v2l3to$188bi$2@dont-email.me> |
On Wed, 2024-05-22 at 10:44 -0500, olcott wrote:
> On 5/22/2024 3:54 AM, David Brown wrote:
> > On 21/05/2024 23:56, olcott wrote:
> > > On 5/21/2024 4:34 PM, bart wrote:
> > > > On 21/05/2024 19:48, olcott wrote:
> > > > > On 5/21/2024 1:39 PM, Bonita Montero wrote:
> > > >
> > > > > > You're neither asking about a C- or C++ problem.
> > > > > > So use a proper newsgroup.
> > > > > >
> > > > >
> > > > > There is no other group that knows enough about the semantics of the
> > > > > C programming language and there is no other group still alive that
> > > > > knows enough about the semantics of programming languages.
> > > >
> > > > Then FFS take it to Reddit, where there are a myriad thriving forums,
> > > > rather than a dying usenet group populated by a few aging regulars.
> > > >
> > > >
> > >
> > > I have taken it to many different forums.
> > > This is one of two forums where someone actually answered the question.
> > > Two years ago someone answered the assembly language version of the
> > > question. I think the Reddit banned me for even asking the question.
> > >
> >
> > The /only/ reason you are not banned here is because unmoderated Usenet
> > groups cannot ban people.
> >
> > You post obsessively in many places, and face nothing but rejection,
> > ridicule, and banning. Has it ever occurred to you to look for the
> > common factor here? It is /you/, and the posts you make. If you truly
> > want to make progress on your bizarre ideas, you are going to have to
> > re-think your strategy - it is entirely obvious to everyone that you
> > will not get the answers you are asking for here or anywhere else with
> > your current posting style.
> >
> >
>
> *On the other hand people could simply answer my question*
> *I only repeat it until it is answered*
>
> For every H/D pair matching the following template where
> H is a pure function:
>
> Does any D correctly simulated by H reach its own line 06 and
> halt or does the fact that D remains stuck in recursive simulation
> prevent that?
>
> typedef int (*ptr)(); // ptr is pointer to int function in C
> 00 int H(ptr p, ptr i);
> 01 int D(ptr p)
> 02 {
> 03 int Halt_Status = H(p, p);
> 04 if (Halt_Status)
> 05 HERE: goto HERE;
> 06 return Halt_Status;
> 07 }
> 08
> 09 int main()
> 10 {
> 11 H(D,D);
> 12 return 0;
> 13 }
>
> It is trivial to see that for every H/D pair of the infinite
> set of H/D pairs that match the above template that
>
> D correctly simulated by H cannot possibly reach its own final
> state at line 06 and halt because D correctly simulated by
> H remains stuck in recursive simulation.
>
> This provides the basis for simulating termination analyzer H to
> correctly determine that the halting problem's counter-example
> input D cannot possibly halt.
>
If H is truly a simulator, its function is expected to be equivalent to:
int H(ptr x, ptr y) {
x(y);
return __WHATEVER;
}
The H(D,D) can never halt.
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Re: Can someone please verify the execution trace of this? wij <wyniijj5@gmail.com> - 2024-05-20 20:37 +0800
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-20 10:02 -0500
Re: Can someone please verify the execution trace of this? wij <wyniijj5@gmail.com> - 2024-05-21 00:21 +0800
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-20 12:23 -0500
Re: Can someone please verify the execution trace of this? wij <wyniijj5@gmail.com> - 2024-05-21 02:23 +0800
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-20 14:07 -0500
Re: Can someone please verify the execution trace of this? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-05-20 19:23 -0700
Re: Can someone please verify the execution trace of this? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-05-20 19:31 -0700
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-20 22:58 -0500
Re: Can someone please verify the execution trace of this? "Fred. Zwarts" <F.Zwarts@HetNet.nl> - 2024-05-21 09:39 +0200
Re: Can someone please verify the execution trace of this? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-05-21 09:55 +0200
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-21 08:31 -0500
Re: Can someone please verify the execution trace of this? Bonita Montero <Bonita.Montero@gmail.com> - 2024-05-21 15:56 +0200
Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 09:09 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Bonita Montero <Bonita.Montero@gmail.com> - 2024-05-21 20:01 +0200
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 13:09 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Bonita Montero <Bonita.Montero@gmail.com> - 2024-05-21 20:13 +0200
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 13:24 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Bonita Montero <Bonita.Montero@gmail.com> - 2024-05-21 20:39 +0200
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 13:48 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Bonita Montero <Bonita.Montero@gmail.com> - 2024-05-22 06:40 +0200
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 23:46 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Bonita Montero <Bonita.Montero@gmail.com> - 2024-05-22 18:29 +0200
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-22 08:52 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Bonita Montero <Bonita.Montero@gmail.com> - 2024-05-22 12:01 +0200
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 23:37 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Bonita Montero <Bonita.Montero@gmail.com> - 2024-05-22 06:29 +0200
D correctly simulated by H remains stuck in recursive simulation olcott <polcott333@gmail.com> - 2024-05-22 10:44 -0500
Re: D correctly simulated by H remains stuck in recursive simulation "Fred. Zwarts" <F.Zwarts@HetNet.nl> - 2024-05-22 18:27 +0200
Re: D correctly simulated by H remains stuck in recursive simulation wij <wyniijj5@gmail.com> - 2024-05-23 00:11 +0800
Re: D correctly simulated by H remains stuck in recursive simulation [good attempt] olcott <polcott333@gmail.com> - 2024-05-22 15:04 -0500
Re: D correctly simulated by H remains stuck in recursive simulation [good attempt] olcott <polcott333@gmail.com> - 2024-05-22 16:26 -0500
Re: D correctly simulated by H remains stuck in recursive simulation [good attempt] wij <wyniijj5@gmail.com> - 2024-05-23 05:35 +0800
Re: D correctly simulated by H remains stuck in recursive simulation olcott <polcott333@gmail.com> - 2024-05-22 16:56 -0500
Re: D correctly simulated by H remains stuck in recursive simulation "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-22 15:36 -0700
Re: D correctly simulated by H remains stuck in recursive simulation olcott <polcott333@gmail.com> - 2024-05-22 17:52 -0500
Re: D correctly simulated by H remains stuck in recursive simulation "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-22 18:33 -0700
Re: Can someone please verify the execution trace of this? Sam <sam@email-scan.com> - 2024-05-20 18:59 -0400
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-20 18:07 -0500
Re: Can someone please verify the execution trace of this? Sam <sam@email-scan.com> - 2024-05-20 19:21 -0400
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-20 18:27 -0500
Re: Can someone please verify the execution trace of this? Sam <sam@email-scan.com> - 2024-05-21 07:48 -0400
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-21 08:37 -0500
Re: Can someone please verify the execution trace of this? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-21 12:03 -0700
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-21 14:21 -0500
Re: Can someone please verify the execution trace of this? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-21 14:39 -0700
Re: Can someone please verify the execution trace of this? Sam <sam@email-scan.com> - 2024-05-21 17:55 -0400
Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 17:09 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-21 15:18 -0700
Re: Can D correctly simulated by H reach its own line 06 and halt? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-21 15:20 -0700
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 17:29 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-21 15:34 -0700
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 18:07 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-21 16:54 -0700
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 19:05 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Sam <sam@email-scan.com> - 2024-05-21 21:31 -0400
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 20:43 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Sam <sam@email-scan.com> - 2024-05-21 22:10 -0400
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 21:17 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Sam <sam@email-scan.com> - 2024-05-21 22:20 -0400
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 21:22 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-21 23:03 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-22 08:53 -0500
Re: Can D correctly simulated by H reach its own line 06 and halt? Sam <sam@email-scan.com> - 2024-05-22 13:10 -0400
Re: Can D correctly simulated by H reach its own line 06 and halt? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-22 13:50 -0700
Re: Can D correctly simulated by H reach its own line 06 and halt? Sam <sam@email-scan.com> - 2024-05-22 07:01 -0400
Re: Can D correctly simulated by H reach its own line 06 and halt? Bonita Montero <Bonita.Montero@gmail.com> - 2024-05-22 13:50 +0200
Re: Can someone please verify the execution trace of this? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-05-20 21:00 -0700
Can D simulated by any H possibly reach its own line 06 and halt? olcott <polcott333@gmail.com> - 2024-05-20 23:22 -0500
Re: Can someone please verify the execution trace of this? Marcel Mueller <news.5.maazl@spamgourmet.org> - 2024-05-20 15:14 +0200
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-20 10:10 -0500
Re: Can someone please verify the execution trace of this? olcott <polcott333@gmail.com> - 2024-05-20 10:13 -0500
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