clifford changed the topic of #yosys to: Yosys Open SYnthesis Suite: http://www.clifford.at/yosys/ -- Channel Logs: https://irclog.whitequark.org/yosys
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<promach_> hi, have anyone used predicate logic proof simplication for yosys-smt formal verification purpose ?
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<ZipCPU> promach_: Your question makes no sense. Formal verification *is* a predicate logic proof.
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<promach_> ZipCPU: huh ?
<promach_> I thought it is using brute force to find out all possible combination of state-space of the coding
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<ZipCPU> promach_: Yes and no. A good solver will use a lot of predicate logic to reduce the space of combinations to search.
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<ZipCPU> Although .... thinking some more on it, even if it did reduce the space by brute force, it's still a predicate logic space it's working within.
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<promach> ZipCPU: predicate logic within BMC and induction ?
<ZipCPU> Isn't that what they are? isn't an assertion or an assumption a statement of predicate logic?
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<promach> ZipCPU: not sure about that though
<ZipCPU> assert(counter < 12); /// <<---- this is a statement of predicate logic
<cr1901_modern> promach: A predicate is a function that returns a boolean
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