arXiv:2608.13042v1 Announce Type: new Abstract: Processor specifications underpin critical security and program- analysis tools such as disassemblers, decompilers, and emulators, yet, their correctness is rarely examined. Errors in specifications distort program behaviour, obscure vulnerabilities, and enable analysis-evasion techniques. Validating processor specifications is a non-trivial task. Our study is a significant undertaking to enable, for the first time, the systematic validation of ope