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From: olcott <polcott333@gmail.com>
Newsgroups: comp.theory,comp.lang.c,comp.lang.c++
Subject: Re: Failure to meet this challenge proves that all of my reviewers
 are wrong
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Date: Sun, 2 Mar 2025 13:06:52 -0600
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On 3/2/2025 12:38 PM, Fred. Zwarts wrote:
> Op 02.mrt.2025 om 15:42 schreef olcott:
>> HHH is an emulating termination analyzer that emulates
>> the x86 machine code located at the address of a function
>> using a fully functional x86 emulator.
>>
>> When HHH recognizes a non-terminating pattern in the
>> execution trace of its emulated input it aborts this
>> emulation and returns 0.
>>
>> typedef void (*ptr)();
>> int HHH(ptr P);
>>
>> int DD()
>> {
>>    int Halt_Status = HHH(DD);
>>    if (Halt_Status)
>>      HERE: goto HERE;
>>    return Halt_Status;
>> }
>>
>> _DD()
>> [00002133] 55         push ebp      ; housekeeping
>> [00002134] 8bec       mov ebp,esp   ; housekeeping
>> [00002136] 51         push ecx      ; make space for local
>> [00002137] 6833210000 push 00002133 ; push DD
>> [0000213c] e882f4ffff call 000015c3 ; call HHH(DD)
>> [00002141] 83c404     add esp,+04
>> [00002144] 8945fc     mov [ebp-04],eax
>> [00002147] 837dfc00   cmp dword [ebp-04],+00
>> [0000214b] 7402       jz 0000214f
>> [0000214d] ebfe       jmp 0000214d
>> [0000214f] 8b45fc     mov eax,[ebp-04]
>> [00002152] 8be5       mov esp,ebp
>> [00002154] 5d         pop ebp
>> [00002155] c3         ret
>> Size in bytes:(0035) [00002155]
>>
>> I challenged everyone here to provide the machine address
>> by machine address (AKA line by line) execution trace
>> of DD correctly emulated by HHH that reaches its own
>> "ret" instruction.
> 
> Olcott could as well challenge everyone to draw a correct square circle.
> 
>>
>> No one made any attempt to do this because they know that
>> this would prove that they are stupidly wrong to say that
>> my trace is incorrect.
>>
> 
> No one will attempt to draw a square circle. Does that imply that it is 
> wrong to say that another failed attempt to draw a square circle is 
> incorrect?
> 
> Similarly, HHH cannot possibly simulate itself correctly. 

This C code conclusively proves that HHH does correctly
emulate self emulating DD correctly.
https://github.com/plolcott/x86utm/blob/master/Halt7.c

That you lack the technical capability to understand
that code is far less than no actual rebuttal at all.

> Olcott's HHH 
> is incorrect, but a correct HHH that simulates itself does not exist. 
> Therefore, it is very stupid to challenge everyone to correct HHH.


-- 
Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer