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From: olcott <polcott333@gmail.com>
Newsgroups: comp.theory
Subject: Re: The actual code of HHH
Date: Thu, 27 Feb 2025 12:55:15 -0600
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On 2/27/2025 3:26 AM, Fred. Zwarts wrote:
> Op 27.feb.2025 om 00:09 schreef olcott:
>> On 2/26/2025 3:52 PM, joes wrote:
>>> Since there is so much talk around, but not really about it,
>>> let's take a look:
>>> https://github.com/plolcott/x86utm/blob/
>>> 48b4cbfeb3f486507276a5fc4e9b10875ab24dbf/Halt7.c#L1081
>>> In line 1137, we compute a flag:
>>> u32 Root = Init_Halts_HH(&Aborted, &execution_trace, &decoded, 
>>> &code_end,
>>> (u32)P, &master_state, &slave_state, &slave_stack);
>>> In line 918, we find it basically checks for the magic number
>>> **execution_trace==0x90909090. What is this unexplained value?
>>>
>>> We then pass the saved flag in line 1143:
>>> if (Decide_Halting_HH(&Aborted, &execution_trace, &decoded,
>>> code_end, End_Of_Code, &master_state, &slave_state, &slave_stack, 
>>> Root)),
>>> defined in line 1030.
>>> Then we get a switch:
>>> 1059    if (Root)  // Master UTM halt decider
>>> Line 1070 is then conditionally skipped:
>>> Needs_To_Be_Aborted_HH((Decoded_Line_Of_Code*)**execution_trace);
>>> defined in line 1012, which (on a jmp or call instruction) calls
>>> u32 Needs_To_Be_Aborted_Trace_HH(Decoded_Line_Of_Code* execution_trace,
>>>                                   Decoded_Line_Of_Code *current)
>>> in line 964, where the abort logic lives. (It basically triggers
>>> on a call or jump to itself.)
>>>
>>> So we only abort depending on the address of the execution trace.
>>> This makes no sense. Why is that?
>>>
>>
>> DD emulated by HHH according to the behavior that the x86
>> machine code of DD cannot possibly terminate normally thus
>> HHH is infallibly correct to report that this DD emulated
>> by HHH (not any other DD in the whole freaking universe)
>> is not-terminating.
> No, it is correct to report that HHH is unable to correctly simulate 
> this halting program up to its end.

That you do not comprehend that infinite recursion
DOES NOT END is your ignorance.

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