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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: news2@immibis.com Newsgroups: comp.theory,sci.logic Subject: Re: How Partial Simulations incorrectly determine non-halting ---Ben's 10/2022 analysis Date: Fri, 7 Jun 2024 17:32:42 +0200 Organization: A noiseless patient Spider Lines: 21 Message-ID: <v3v96q$1o9el$3@dont-email.me> References: <v3j20v$3gm10$2@dont-email.me> <J_CdnTaA96jxpcD7nZ2dnZfqnPudnZ2d@brightview.co.uk> <87h6eamkgf.fsf@bsb.me.uk> <v3kcdj$3stk9$1@dont-email.me> <v3l7uo$13cp$8@dont-email.me> <v3lcat$228t$3@dont-email.me> <v3mq9j$chc3$1@dont-email.me> <v3mrli$chc4$1@dont-email.me> <_gWdnbwuZPJP2sL7nZ2dnZfqn_GdnZ2d@brightview.co.uk> <v3nkqr$h7f9$3@dont-email.me> <v3p4ka$sk6h$1@dont-email.me> <v3pp7p$v133$8@dont-email.me> <v3s27e$1f9kd$1@dont-email.me> <v3sf1n$1gra7$11@dont-email.me> <v3sjo9$1ialb$1@dont-email.me> <v3skoo$1iedv$1@dont-email.me> <v3u9ej$1v7rn$1@dont-email.me> <v3v6i7$23l33$1@dont-email.me> <v3v70o$21qlc$3@dont-email.me> <v3v7j8$242e9$2@dont-email.me> <v3v8tp$39q1p$3@i2pn2.org> <v3v92q$242e9$6@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Fri, 07 Jun 2024 17:32:42 +0200 (CEST) Injection-Info: dont-email.me; posting-host="24c9e250534ae0eda986f30a88f700b9"; logging-data="1844693"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+rrMI7oRMxYy2vA+dgUkMK" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:5CKN4Rk0Yhi/DJf4QrXMZjPvj8E= Content-Language: en-US In-Reply-To: <v3v92q$242e9$6@dont-email.me> Bytes: 2562 On 7/06/24 17:30, olcott wrote: > > Try to show how this DD correctly simulated by any HH ever > stops running without having its simulation aborted by HH. > > _DD() > [00001e12] 55 push ebp > [00001e13] 8bec mov ebp,esp > [00001e15] 51 push ecx > [00001e16] 8b4508 mov eax,[ebp+08] > [00001e19] 50 push eax ; push DD > [00001e1a] 8b4d08 mov ecx,[ebp+08] > [00001e1d] 51 push ecx ; push DD > [00001e1e] e85ff5ffff call 00001382 ; call HH > > A {correct simulation} means that each instruction of the > above x86 machine language of DD is correctly simulated > by HH and simulated in the correct order. The next instruction after "call HH" - the one at address 00001382 - is simulated incorrectly.