Re: Simulation vs. Execution in the Halting Problem

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Sujet : Re: Simulation vs. Execution in the Halting Problem
De : polcott333 (at) *nospam* gmail.com (olcott)
Groupes : comp.theory
Date : 01. Jun 2025, 05:01:39
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <101gjb3$1p7o2$1@dont-email.me>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
User-Agent : Mozilla Thunderbird
On 5/31/2025 10:32 PM, Mike Terry wrote:
On 01/06/2025 02:31, olcott wrote:
On 5/31/2025 7:44 PM, Mike Terry wrote:
On 01/06/2025 01:18, olcott wrote:
On 5/31/2025 5:27 PM, Mike Terry wrote:
On 31/05/2025 20:26, dbush wrote:
On 5/31/2025 2:38 PM, olcott wrote:
On 5/31/2025 11:59 AM, dbush wrote:
On 5/31/2025 12:48 PM, olcott wrote:
On 5/31/2025 7:39 AM, dbush wrote:
On 5/31/2025 2:41 AM, olcott wrote:
On 5/30/2025 8:16 PM, Richard Damon wrote:
On 5/30/25 11:41 AM, olcott wrote:
On 5/30/2025 3:45 AM, Mikko wrote:
On 2025-05-29 18:10:39 +0000, olcott said:
>
On 5/29/2025 12:34 PM, Mr Flibble wrote:
>
🧠 Simulation vs. Execution in the Halting Problem
>
In the classical framework of computation theory (Turing machines),
simulation is not equivalent to execution, though they can approximate one
another.
>
To the best of my knowledge a simulated input
always has the exact same behavior as the directly
executed input unless this simulated input calls
its own simulator.
>
The simulation of the behaviour should be equivalent to the real
behaviour.
>
That is the same as saying a function with infinite
recursion must have the same behavior as a function
without infinite recursion.
>
Nope. Where does it say that?
>
>
_DDD()
[00002192] 55             push ebp
[00002193] 8bec           mov ebp,esp
[00002195] 6892210000     push 00002192
[0000219a] e833f4ffff     call 000015d2  // call HHH
[0000219f] 83c404         add esp,+04
[000021a2] 5d             pop ebp
[000021a3] c3             ret
Size in bytes:(0018) [000021a3]
>
DDD emulated by HHH must be aborted.   // otherwise infinite recursion
DDD emulated by HHH1 need not be aborted.
>
>
>
And the simulation performed by each of these is the same up to the point that HHH aborts, as you have admitted on the record:
>
>
No moron they are not.
HHH performs one whole recursive emulation of DDD
than HHH1 ever does BEFORE HHH EVER ABORTS.
>
>
Nope, if that was true you would have previously identified the divergence but failed to do so.
>
>
The code has proved that it is true for three years.
>
False.
>
That you are unable to see that the side by side code traces are exactly the same up the the point that HHH aborts is not a rebuttal.
>
Right.  I've presented such comparisons for PO on multiple occasions, but it's like he looks at the post, and simply can't see what it's saying - like there's a big hole in the post or something.  It brings to mind the Oliver Sacks book "The Man Who Mistook His Wife for a Hat".
>
Mike.
>
>
>
We cannot do a separate side-by-side execution trace of
HHH(DDD) and HHH1(DDD) because the DDD simulated by HHH1
calls HHH(DDD) as a part of this same simulation.
>
Duh!  The DDD simulated by HHH ALSO calls HHH(DDD) as a part of the same simulation.
>
They BOTH call HHH(DDD) as part of the simulation.  Duuuuuh....
>
I've presented the two traces to you side by side on more than one occasion.  Do you really have no recollection of that?  Your explanation of why we supposedly can't put them side by side is literally gibberish!
>
>
 From the trace shown below we can see that HHH simulates
DDD one whole execution trace more than HHH1 does.
>
Really?  That's not at all what I see - but perhaps you can explain what you're saying.
>
Mark on the trace below where you think HHH1's simulation [i.e. the simulation /performed/ by HHH1] starts and ends.  Also mark where you think HHH's simulation starts and ends.
>
Then to save me the trouble, try to put them side by side to see if they match up...
>
>
Mike.
>
>
I really appreciate your sincere honesty and the great
diligence that you have shown evaluating my work. No
one else on the planet has put nearly the same effort
as you in carefully evaluating the key details of my work.
>
>
>
*It is only after this whole extra recursive emulation*
*divergence that HHH aborts its emulated DDD*
>
_DDD()
[00002183] 55             push ebp
[00002184] 8bec           mov ebp,esp
[00002186] 6883210000     push 00002183 ; push DDD
[0000218b] e833f4ffff     call 000015c3 ; call HHH
[00002190] 83c404         add esp,+04
[00002193] 5d             pop ebp
[00002194] c3             ret
Size in bytes:(0018) [00002194]
>
_main()
[000021a3] 55             push ebp
[000021a4] 8bec           mov ebp,esp
[000021a6] 6883210000     push 00002183 ; push DDD
[000021ab] e843f3ffff     call 000014f3 ; call HHH1
[000021b0] 83c404         add esp,+04
[000021b3] 33c0           xor eax,eax
[000021b5] 5d             pop ebp
[000021b6] c3             ret
Size in bytes:(0020) [000021b6]
>
  machine   stack     stack     machine    assembly
  address   address   data      code       language
  ========  ========  ========  ========== =============
[000021a3][0010382d][00000000] 55         push ebp
[000021a4][0010382d][00000000] 8bec       mov ebp,esp
[000021a6][00103829][00002183] 6883210000 push 00002183 ; push DDD
[000021ab][00103825][000021b0] e843f3ffff call 000014f3 ; call HHH1
New slave_stack at:1038d1
>
>
HHH1 begins its simulation of DDD.
 Right.  Below I'm going to use notation [n] on occasions to make clear which level of simulation is doing things.  So e.g. HHH1[0] is HHH1 directly executed.  HHH[1] is HHH simulated by HHH1 and so on.
 
DDD simulated by HHH1[0]

>
Begin Local Halt Decider Simulation   Execution Trace Stored at:1138d9
[00002183][001138c9][001138cd] 55         push ebp
[00002184][001138c9][001138cd] 8bec       mov ebp,esp
[00002186][001138c5][00002183] 6883210000 push 00002183 ; push DDD
[0000218b][001138c1][00002190] e833f4ffff call 000015c3 ; call HHH
New slave_stack at:14e2f9
>
>
HHH begins its simulation of DDD
 Right.  The following are part of both HHH1[0]'s and HHH[1]'s simulations...
 
No. This is DDD simulated by HHH[1]

>
Begin Local Halt Decider Simulation   Execution Trace Stored at:15e301
[00002183][0015e2f1][0015e2f5] 55         push ebp
[00002184][0015e2f1][0015e2f5] 8bec       mov ebp,esp
[00002186][0015e2ed][00002183] 6883210000 push 00002183 ; push DDD
[0000218b][0015e2e9][00002190] e833f4ffff call 000015c3 ; call HHH
>
HHH simulates itself simulating DDD
 Right.  The following are part of HHH1[0]'s and HHH[1]'s and HHH[2]'s simulations...
 
No this is DDD simulated by HHH[2]

>
New slave_stack at:198d21
[00002183][001a8d19][001a8d1d] 55         push ebp
[00002184][001a8d19][001a8d1d] 8bec       mov ebp,esp
[00002186][001a8d15][00002183] 6883210000 push 00002183 ; push DDD
[0000218b][001a8d11][00002190] e833f4ffff call 000015c3 ; call HHH
Local Halt Decider: Infinite Recursion Detected Simulation Stopped
>
>
HHH aborts its simulation of DDD.
 
HHH[1] aborts its simulation of DDD. This aborted
simulation includes HHH simulating itself simulating
DDD AKA HHH[2].
returns to its caller: DDD simulated by HHH1[0]

Right.  HHH[1] has abandoned simulation [2] (and nested simulation [3]).
This is the end of HHH[1]'s simulation, but HHH1[0]'s simulation continues...
 
HHH1 simulates the rest of its own DDD.
 You mean the rest of HHH[1]'s DDD.  (HHH[1] is still being simulated)
 
No this is HHH1[0] finishing its one and only simulation of DDD.

>
[00002190][001138c9][001138cd] 83c404     add esp,+04
[00002193][001138cd][000015a8] 5d         pop ebp
[00002194][001138d1][0003a980] c3         ret
>
 And this is where HHH1's simulation ends.
(Below is directly executed code...)
 
return to main()
[000021b0][0010382d][00000000] 83c404     add esp,+04
[000021b3][0010382d][00000000] 33c0       xor eax,eax
[000021b5][00103831][00000018] 5d         pop ebp
[000021b6][00103835][00000000] c3         ret
Number of Instructions Executed(352831) == 5266 Pages
>
>
>
 So now, you need to collect up the trace entries which are part of HHH1's simulation (and nested simulations), and HHH[1]'s simulation (and nested simulations).  That's just looking at where the respective traces start and end above.
 
No all that you need to see is that HHH simulates DDD twice
(thus already diverging from DDD simulated by HHH1)
before HHH aborts its simulation of DDD.

Here, I can do that:
 -------------- HHH1[0] simulation (+nested simulations) ----------------
  machine   stack     stack     machine    assembly
  address   address   data      code       language
  ========  ========  ========  ========== =============
[00002183][001138c9][001138cd] 55         push ebp
[00002184][001138c9][001138cd] 8bec       mov ebp,esp
[00002186][001138c5][00002183] 6883210000 push 00002183 ; push DDD
[0000218b][001138c1][00002190] e833f4ffff call 000015c3 ; call HHH
[00002183][0015e2f1][0015e2f5] 55         push ebp
[00002184][0015e2f1][0015e2f5] 8bec       mov ebp,esp
[00002186][0015e2ed][00002183] 6883210000 push 00002183 ; push DDD
[0000218b][0015e2e9][00002190] e833f4ffff call 000015c3 ; call HHH
### hint: this is where HHH aborts, but HHH1 continues the simulation! :)
[00002183][001a8d19][001a8d1d] 55         push ebp
[00002184][001a8d19][001a8d1d] 8bec       mov ebp,esp
[00002186][001a8d15][00002183] 6883210000 push 00002183 ; push DDD
[0000218b][001a8d11][00002190] e833f4ffff call 000015c3 ; call HHH
[00002190][001138c9][001138cd] 83c404     add esp,+04
[00002193][001138cd][000015a8] 5d         pop ebp
[00002194][001138d1][0003a980] c3         ret
[trace ended by DDD[1] returning normally]
  -------------- HHH[1] simulation (+nested simulations) ----------------
  machine   stack     stack     machine    assembly
  address   address   data      code       language
  ========  ========  ========  ========== =============
[00002183][0015e2f1][0015e2f5] 55         push ebp
[00002184][0015e2f1][0015e2f5] 8bec       mov ebp,esp
[00002186][0015e2ed][00002183] 6883210000 push 00002183 ; push DDD
[0000218b][0015e2e9][00002190] e833f4ffff call 000015c3 ; call HHH
[00002183][001a8d19][001a8d1d] 55         push ebp
[00002184][001a8d19][001a8d1d] 8bec       mov ebp,esp
[00002186][001a8d15][00002183] 6883210000 push 00002183 ; push DDD
[0000218b][001a8d11][00002190] e833f4ffff call 000015c3 ; call HHH
[trace ended by HHH[1] aborting]
  So do you agree that those are the right entries?  (They are just the entries you identified above, between the beginning and ends of the respective simulations.)
 
*I am not going to look at them*
HHH emulates DDD twice before it aborts thus
the abort is not the cause of the divergence.
The moment that HHH[2] begins emulating DDD
DDD emulated by HHH1 and DDD emulated by HHH diverge.

Now you will be in a position to do the side-by-side comparison you said wasn't possible!  You need to, um, put the two traces above side by side!
 OK, clearly we are not going to exactly match on stack addresses or stack data, but these are not unique attributes of the computation, as Allocate() will assign different storage addresses for each simulation.  What we want is for machine addresses, machine code and assemply language to match or not UP TO THE POINT WHERE HHH[1] ABORTS.
  Mike.
 
--
Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer

Date Sujet#  Auteur
29 May 25 * Re: Simulation vs. Execution in the Halting Problem238olcott
30 May 25 +- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
30 May 25 `* Re: Simulation vs. Execution in the Halting Problem236Mikko
30 May 25  `* Re: Simulation vs. Execution in the Halting Problem235olcott
31 May 25   +* Re: Simulation vs. Execution in the Halting Problem175Richard Damon
31 May 25   i`* Re: Simulation vs. Execution in the Halting Problem174olcott
31 May 25   i +* Re: Simulation vs. Execution in the Halting Problem168dbush
31 May 25   i i`* Re: Simulation vs. Execution in the Halting Problem167olcott
31 May 25   i i +* Re: Simulation vs. Execution in the Halting Problem165dbush
31 May 25   i i i`* Re: Simulation vs. Execution in the Halting Problem164olcott
31 May 25   i i i `* Re: Simulation vs. Execution in the Halting Problem163dbush
31 May 25   i i i  `* Re: Simulation vs. Execution in the Halting Problem162Mike Terry
1 Jun 25   i i i   `* Re: Simulation vs. Execution in the Halting Problem161olcott
1 Jun 25   i i i    +* Re: Simulation vs. Execution in the Halting Problem159Mike Terry
1 Jun 25   i i i    i`* Re: Simulation vs. Execution in the Halting Problem158olcott
1 Jun 25   i i i    i `* Re: Simulation vs. Execution in the Halting Problem157Mike Terry
1 Jun 25   i i i    i  `* Re: Simulation vs. Execution in the Halting Problem156olcott
1 Jun 25   i i i    i   +- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
1 Jun 25   i i i    i   +- Re: Simulation vs. Execution in the Halting Problem1dbush
1 Jun 25   i i i    i   `* Re: Simulation vs. Execution in the Halting Problem153Mike Terry
1 Jun 25   i i i    i    +* Re: Simulation vs. Execution in the Halting Problem13olcott
2 Jun 25   i i i    i    i+* Re: Simulation vs. Execution in the Halting Problem3Richard Damon
2 Jun 25   i i i    i    ii`* Re: Simulation vs. Execution in the Halting Problem2olcott
2 Jun 25   i i i    i    ii `- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
2 Jun 25   i i i    i    i`* Re: Simulation vs. Execution in the Halting Problem9Mike Terry
2 Jun 25   i i i    i    i `* Re: Simulation vs. Execution in the Halting Problem8olcott
2 Jun 25   i i i    i    i  +* Re: Simulation vs. Execution in the Halting Problem3Fred. Zwarts
2 Jun 25   i i i    i    i  i`* Re: Simulation vs. Execution in the Halting Problem2olcott
3 Jun 25   i i i    i    i  i `- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
2 Jun 25   i i i    i    i  `* Re: Simulation vs. Execution in the Halting Problem4Mike Terry
2 Jun 25   i i i    i    i   `* Re: Simulation vs. Execution in the Halting Problem3olcott
2 Jun 25   i i i    i    i    `* Re: Simulation vs. Execution in the Halting Problem2Mike Terry
2 Jun 25   i i i    i    i     `- Re: Simulation vs. Execution in the Halting Problem1olcott
2 Jun 25   i i i    i    +- Re: Simulation vs. Execution in the Halting Problem1olcott
3 Jun 25   i i i    i    +* Re: Simulation vs. Execution in the Halting Problem137Mike Terry
3 Jun 25   i i i    i    i+* Re: Simulation vs. Execution in the Halting Problem5André G. Isaak
3 Jun 25   i i i    i    ii`* Re: Simulation vs. Execution in the Halting Problem4olcott
3 Jun 25   i i i    i    ii `* Re: Simulation vs. Execution in the Halting Problem3André G. Isaak
3 Jun 25   i i i    i    ii  `* Re: Simulation vs. Execution in the Halting Problem2olcott
3 Jun 25   i i i    i    ii   `- Re: Simulation vs. Execution in the Halting Problem1André G. Isaak
3 Jun 25   i i i    i    i+* Re: Simulation vs. Execution in the Halting Problem5olcott
3 Jun 25   i i i    i    ii+- Re: Simulation vs. Execution in the Halting Problem1Fred. Zwarts
3 Jun 25   i i i    i    ii`* Re: Simulation vs. Execution in the Halting Problem3Richard Damon
3 Jun 25   i i i    i    ii `* Re: Simulation vs. Execution in the Halting Problem2olcott
4 Jun 25   i i i    i    ii  `- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
3 Jun 25   i i i    i    i`* Re: Simulation vs. Execution in the Halting Problem126dbush
3 Jun 25   i i i    i    i +* Re: Simulation vs. Execution in the Halting Problem117Mike Terry
3 Jun 25   i i i    i    i i+* Re: Simulation vs. Execution in the Halting Problem114wij
3 Jun 25   i i i    i    i ii`* Re: Simulation vs. Execution in the Halting Problem113olcott
4 Jun 25   i i i    i    i ii +- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
4 Jun 25   i i i    i    i ii `* Re: Simulation vs. Execution in the Halting Problem111Mikko
4 Jun 25   i i i    i    i ii  `* Re: Simulation vs. Execution in the Halting Problem110olcott
6 Jun 25   i i i    i    i ii   `* Re: Simulation vs. Execution in the Halting Problem109Mikko
6 Jun 25   i i i    i    i ii    `* Re: Simulation vs. Execution in the Halting Problem108olcott
7 Jun 25   i i i    i    i ii     `* Re: Simulation vs. Execution in the Halting Problem107Mikko
7 Jun 25   i i i    i    i ii      `* Re: Simulation vs. Execution in the Halting Problem106olcott
8 Jun 25   i i i    i    i ii       +- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
8 Jun 25   i i i    i    i ii       `* Re: Simulation vs. Execution in the Halting Problem104Mikko
8 Jun 25   i i i    i    i ii        `* Re: Simulation vs. Execution in the Halting Problem103olcott
8 Jun 25   i i i    i    i ii         +- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
10 Jun 25   i i i    i    i ii         `* Re: Simulation vs. Execution in the Halting Problem101Mikko
10 Jun 25   i i i    i    i ii          `* Re: Simulation vs. Execution in the Halting Problem100olcott
10 Jun 25   i i i    i    i ii           +- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
11 Jun 25   i i i    i    i ii           `* Re: Simulation vs. Execution in the Halting Problem98Mikko
11 Jun 25   i i i    i    i ii            `* Re: Simulation vs. Execution in the Halting Problem97olcott
11 Jun 25   i i i    i    i ii             +* Re: Simulation vs. Execution in the Halting Problem49wij
11 Jun 25   i i i    i    i ii             i`* Re: Simulation vs. Execution in the Halting Problem48olcott
11 Jun 25   i i i    i    i ii             i `* Re: Simulation vs. Execution in the Halting Problem47wij
11 Jun 25   i i i    i    i ii             i  `* Re: Simulation vs. Execution in the Halting Problem46olcott
11 Jun 25   i i i    i    i ii             i   `* Re: Simulation vs. Execution in the Halting Problem45wij
11 Jun 25   i i i    i    i ii             i    `* Re: Simulation vs. Execution in the Halting Problem44olcott
11 Jun 25   i i i    i    i ii             i     `* Re: Simulation vs. Execution in the Halting Problem43wij
11 Jun 25   i i i    i    i ii             i      `* Re: Simulation vs. Execution in the Halting Problem42olcott
11 Jun 25   i i i    i    i ii             i       `* Re: Simulation vs. Execution in the Halting Problem41wij
11 Jun 25   i i i    i    i ii             i        `* Re: Simulation vs. Execution in the Halting Problem40olcott
11 Jun 25   i i i    i    i ii             i         +* Re: Simulation vs. Execution in the Halting Problem38wij
11 Jun 25   i i i    i    i ii             i         i`* Re: Simulation vs. Execution in the Halting Problem37olcott
11 Jun 25   i i i    i    i ii             i         i +* Re: Simulation vs. Execution in the Halting Problem35wij
11 Jun 25   i i i    i    i ii             i         i i`* Re: Simulation vs. Execution in the Halting Problem34olcott
11 Jun 25   i i i    i    i ii             i         i i `* Re: Simulation vs. Execution in the Halting Problem33wij
11 Jun 25   i i i    i    i ii             i         i i  `* Re: Simulation vs. Execution in the Halting Problem32olcott
11 Jun 25   i i i    i    i ii             i         i i   `* Re: Simulation vs. Execution in the Halting Problem31wij
11 Jun 25   i i i    i    i ii             i         i i    `* Re: Simulation vs. Execution in the Halting Problem30olcott
11 Jun 25   i i i    i    i ii             i         i i     `* Re: Simulation vs. Execution in the Halting Problem29wij
11 Jun 25   i i i    i    i ii             i         i i      +- Re: Simulation vs. Execution in the Halting Problem1wij
11 Jun 25   i i i    i    i ii             i         i i      `* Re: Simulation vs. Execution in the Halting Problem27olcott
11 Jun 25   i i i    i    i ii             i         i i       `* Re: Simulation vs. Execution in the Halting Problem26wij
11 Jun 25   i i i    i    i ii             i         i i        `* Re: Simulation vs. Execution in the Halting Problem25olcott
11 Jun 25   i i i    i    i ii             i         i i         `* Re: Simulation vs. Execution in the Halting Problem24wij
11 Jun 25   i i i    i    i ii             i         i i          `* Re: Simulation vs. Execution in the Halting Problem23olcott
12 Jun 25   i i i    i    i ii             i         i i           +* Re: Simulation vs. Execution in the Halting Problem21wij
12 Jun 25   i i i    i    i ii             i         i i           i`* Re: Simulation vs. Execution in the Halting Problem20olcott
12 Jun 25   i i i    i    i ii             i         i i           i `* Re: Simulation vs. Execution in the Halting Problem19wij
12 Jun 25   i i i    i    i ii             i         i i           i  `* Re: Simulation vs. Execution in the Halting Problem18olcott
12 Jun 25   i i i    i    i ii             i         i i           i   +* Re: Simulation vs. Execution in the Halting Problem10wij
12 Jun 25   i i i    i    i ii             i         i i           i   i`* Re: Simulation vs. Execution in the Halting Problem9olcott
12 Jun 25   i i i    i    i ii             i         i i           i   i +* Re: Simulation vs. Execution in the Halting Problem3wij
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11 Jun 25   i i i    i    i ii             i         `- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
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31 May 25   i i `- Re: Simulation vs. Execution in the Halting Problem1Richard Damon
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