mirror of
https://github.com/YosysHQ/sby.git
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Merge pull request #252 from jix/cexenum
Add aigcxemin and cexenum.py tools
This commit is contained in:
Jannis Harder
GitHub
commit
f0f140c83c
6
tools/README.md
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6
tools/README.md
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@ -0,0 +1,6 @@
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# SBY - Additional Tools
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This directory contains various tools that can be used in conjunction with SBY.
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* [`aigcexmin`](./aigcexmin) Counter-example minimization of AIGER witness (.aiw) files
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* [`cexenum`](./cexenum) Enumeration of minimized counter-examples
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1
tools/aigcexmin/.gitignore
vendored
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1
tools/aigcexmin/.gitignore
vendored
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/target
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562
tools/aigcexmin/Cargo.lock
generated
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562
tools/aigcexmin/Cargo.lock
generated
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@ -0,0 +1,562 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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||||||
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[[package]]
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||||||
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name = "addr2line"
|
||||||
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version = "0.21.0"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
|
checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
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||||||
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dependencies = [
|
||||||
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"gimli",
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]
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||||||
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||||||
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[[package]]
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||||||
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name = "adler"
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||||||
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version = "1.0.2"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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||||||
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[[package]]
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name = "aigcexmin"
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version = "0.1.0"
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dependencies = [
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"clap",
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"color-eyre",
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"flussab",
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"flussab-aiger",
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"zwohash",
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]
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||||||
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||||||
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[[package]]
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||||||
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name = "anstream"
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version = "0.6.4"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "2ab91ebe16eb252986481c5b62f6098f3b698a45e34b5b98200cf20dd2484a44"
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dependencies = [
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||||||
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"anstyle",
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"anstyle-parse",
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"anstyle-query",
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"anstyle-wincon",
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"colorchoice",
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"utf8parse",
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]
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[[package]]
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||||||
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name = "anstyle"
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||||||
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version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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[[package]]
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||||||
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name = "anstyle-parse"
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||||||
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version = "0.2.2"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "317b9a89c1868f5ea6ff1d9539a69f45dffc21ce321ac1fd1160dfa48c8e2140"
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||||||
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dependencies = [
|
||||||
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"utf8parse",
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|
]
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||||||
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[[package]]
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||||||
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name = "anstyle-query"
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||||||
|
version = "1.0.0"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
|
||||||
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dependencies = [
|
||||||
|
"windows-sys",
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]
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||||||
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[[package]]
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name = "anstyle-wincon"
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version = "3.0.1"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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dependencies = [
|
||||||
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"anstyle",
|
||||||
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"windows-sys",
|
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|
]
|
||||||
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[[package]]
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||||||
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name = "autocfg"
|
||||||
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version = "1.1.0"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
|
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||||||
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[[package]]
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||||||
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name = "backtrace"
|
||||||
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version = "0.3.69"
|
||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
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checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
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||||||
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dependencies = [
|
||||||
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"addr2line",
|
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"cc",
|
||||||
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"cfg-if",
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"libc",
|
||||||
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"miniz_oxide",
|
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"object",
|
||||||
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"rustc-demangle",
|
||||||
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]
|
||||||
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|
||||||
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[[package]]
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||||||
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name = "bitflags"
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||||||
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version = "2.4.1"
|
||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
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|
||||||
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||||||
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[[package]]
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||||||
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name = "cc"
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||||||
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version = "1.0.83"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
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|
||||||
|
dependencies = [
|
||||||
|
"libc",
|
||||||
|
]
|
||||||
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[[package]]
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||||||
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name = "cfg-if"
|
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version = "1.0.0"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
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|
||||||
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|
||||||
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[[package]]
|
||||||
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name = "clap"
|
||||||
|
version = "4.4.8"
|
||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
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|
||||||
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dependencies = [
|
||||||
|
"clap_builder",
|
||||||
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"clap_derive",
|
||||||
|
]
|
||||||
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|
||||||
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[[package]]
|
||||||
|
name = "clap_builder"
|
||||||
|
version = "4.4.8"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
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dependencies = [
|
||||||
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"anstream",
|
||||||
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"anstyle",
|
||||||
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"clap_lex",
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"strsim",
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"terminal_size",
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]
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[[package]]
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||||||
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name = "clap_derive"
|
||||||
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version = "4.4.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"heck",
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
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"syn",
|
||||||
|
]
|
||||||
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|
||||||
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[[package]]
|
||||||
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name = "clap_lex"
|
||||||
|
version = "0.6.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
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||||||
|
name = "color-eyre"
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"backtrace",
|
||||||
|
"color-spantrace",
|
||||||
|
"eyre",
|
||||||
|
"indenter",
|
||||||
|
"once_cell",
|
||||||
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"owo-colors",
|
||||||
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"tracing-error",
|
||||||
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]
|
||||||
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|
||||||
|
[[package]]
|
||||||
|
name = "color-spantrace"
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"once_cell",
|
||||||
|
"owo-colors",
|
||||||
|
"tracing-core",
|
||||||
|
"tracing-error",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "colorchoice"
|
||||||
|
version = "1.0.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "errno"
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"libc",
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "eyre"
|
||||||
|
version = "0.6.8"
|
||||||
|
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|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"indenter",
|
||||||
|
"once_cell",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "flussab"
|
||||||
|
version = "0.3.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"itoap",
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "flussab-aiger"
|
||||||
|
version = "0.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"flussab",
|
||||||
|
"num-traits",
|
||||||
|
"thiserror",
|
||||||
|
"zwohash",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "gimli"
|
||||||
|
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|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "heck"
|
||||||
|
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|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "indenter"
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "itoap"
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "libc"
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "linux-raw-sys"
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "memchr"
|
||||||
|
version = "2.6.4"
|
||||||
|
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|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "miniz_oxide"
|
||||||
|
version = "0.7.1"
|
||||||
|
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|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"adler",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "num-traits"
|
||||||
|
version = "0.2.17"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
|
||||||
|
dependencies = [
|
||||||
|
"autocfg",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "object"
|
||||||
|
version = "0.32.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"memchr",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "once_cell"
|
||||||
|
version = "1.18.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "owo-colors"
|
||||||
|
version = "3.5.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "pin-project-lite"
|
||||||
|
version = "0.2.13"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
version = "1.0.69"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "1.0.33"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rustc-demangle"
|
||||||
|
version = "0.1.23"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rustix"
|
||||||
|
version = "0.38.24"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9ad981d6c340a49cdc40a1028d9c6084ec7e9fa33fcb839cab656a267071e234"
|
||||||
|
dependencies = [
|
||||||
|
"bitflags",
|
||||||
|
"errno",
|
||||||
|
"libc",
|
||||||
|
"linux-raw-sys",
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "sharded-slab"
|
||||||
|
version = "0.1.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
|
||||||
|
dependencies = [
|
||||||
|
"lazy_static",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "strsim"
|
||||||
|
version = "0.10.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "2.0.39"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "terminal_size"
|
||||||
|
version = "0.3.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "21bebf2b7c9e0a515f6e0f8c51dc0f8e4696391e6f1ff30379559f8365fb0df7"
|
||||||
|
dependencies = [
|
||||||
|
"rustix",
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror"
|
||||||
|
version = "1.0.50"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f9a7210f5c9a7156bb50aa36aed4c95afb51df0df00713949448cf9e97d382d2"
|
||||||
|
dependencies = [
|
||||||
|
"thiserror-impl",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror-impl"
|
||||||
|
version = "1.0.50"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thread_local"
|
||||||
|
version = "1.1.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if",
|
||||||
|
"once_cell",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing"
|
||||||
|
version = "0.1.40"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
|
||||||
|
dependencies = [
|
||||||
|
"pin-project-lite",
|
||||||
|
"tracing-core",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing-core"
|
||||||
|
version = "0.1.32"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
|
||||||
|
dependencies = [
|
||||||
|
"once_cell",
|
||||||
|
"valuable",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing-error"
|
||||||
|
version = "0.2.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d686ec1c0f384b1277f097b2f279a2ecc11afe8c133c1aabf036a27cb4cd206e"
|
||||||
|
dependencies = [
|
||||||
|
"tracing",
|
||||||
|
"tracing-subscriber",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing-subscriber"
|
||||||
|
version = "0.3.18"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
|
||||||
|
dependencies = [
|
||||||
|
"sharded-slab",
|
||||||
|
"thread_local",
|
||||||
|
"tracing-core",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.12"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "utf8parse"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "valuable"
|
||||||
|
version = "0.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-sys"
|
||||||
|
version = "0.48.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
|
||||||
|
dependencies = [
|
||||||
|
"windows-targets",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-targets"
|
||||||
|
version = "0.48.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
|
||||||
|
dependencies = [
|
||||||
|
"windows_aarch64_gnullvm",
|
||||||
|
"windows_aarch64_msvc",
|
||||||
|
"windows_i686_gnu",
|
||||||
|
"windows_i686_msvc",
|
||||||
|
"windows_x86_64_gnu",
|
||||||
|
"windows_x86_64_gnullvm",
|
||||||
|
"windows_x86_64_msvc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_gnullvm"
|
||||||
|
version = "0.48.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_msvc"
|
||||||
|
version = "0.48.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnu"
|
||||||
|
version = "0.48.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_msvc"
|
||||||
|
version = "0.48.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnu"
|
||||||
|
version = "0.48.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnullvm"
|
||||||
|
version = "0.48.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_msvc"
|
||||||
|
version = "0.48.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zwohash"
|
||||||
|
version = "0.1.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "beaf63e0740cea93ca85de39611a8bc8262a50adacd6321cd209a123676d0447"
|
||||||
17
tools/aigcexmin/Cargo.toml
Normal file
17
tools/aigcexmin/Cargo.toml
Normal file
|
|
@ -0,0 +1,17 @@
|
||||||
|
[package]
|
||||||
|
name = "aigcexmin"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
authors = ["Jannis Harder <jix@yosyshq.com> <me@jix.one>"]
|
||||||
|
|
||||||
|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||||
|
|
||||||
|
[profile.release]
|
||||||
|
debug = true # profiling
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
clap = { version = "4.4.8", features = ["derive", "cargo", "wrap_help"] }
|
||||||
|
color-eyre = "0.6.2"
|
||||||
|
flussab = "0.3.1"
|
||||||
|
flussab-aiger = "0.1.0"
|
||||||
|
zwohash = "0.1.2"
|
||||||
104
tools/aigcexmin/src/aig_eval.rs
Normal file
104
tools/aigcexmin/src/aig_eval.rs
Normal file
|
|
@ -0,0 +1,104 @@
|
||||||
|
use flussab_aiger::{aig::OrderedAig, Lit};
|
||||||
|
|
||||||
|
use crate::util::unpack_lit;
|
||||||
|
|
||||||
|
pub trait AigValue<Context>: Copy {
|
||||||
|
fn invert_if(self, en: bool, ctx: &mut Context) -> Self;
|
||||||
|
fn and(self, other: Self, ctx: &mut Context) -> Self;
|
||||||
|
fn constant(value: bool, ctx: &mut Context) -> Self;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn initial_frame<L, V, Context>(
|
||||||
|
aig: &OrderedAig<L>,
|
||||||
|
state: &mut Vec<V>,
|
||||||
|
mut latch_init: impl FnMut(usize, &mut Context) -> V,
|
||||||
|
mut input: impl FnMut(usize, &mut Context) -> V,
|
||||||
|
ctx: &mut Context,
|
||||||
|
) where
|
||||||
|
L: Lit,
|
||||||
|
V: AigValue<Context>,
|
||||||
|
{
|
||||||
|
state.clear();
|
||||||
|
state.push(V::constant(false, ctx));
|
||||||
|
|
||||||
|
for i in 0..aig.input_count {
|
||||||
|
state.push(input(i, ctx));
|
||||||
|
}
|
||||||
|
|
||||||
|
for i in 0..aig.latches.len() {
|
||||||
|
state.push(latch_init(i, ctx));
|
||||||
|
}
|
||||||
|
|
||||||
|
for and_gate in aig.and_gates.iter() {
|
||||||
|
let [a, b] = and_gate.inputs.map(|lit| {
|
||||||
|
let (var, polarity) = unpack_lit(lit);
|
||||||
|
state[var].invert_if(polarity, ctx)
|
||||||
|
});
|
||||||
|
|
||||||
|
state.push(a.and(b, ctx));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn successor_frame<L, V, Context>(
|
||||||
|
aig: &OrderedAig<L>,
|
||||||
|
state: &mut Vec<V>,
|
||||||
|
mut input: impl FnMut(usize, &mut Context) -> V,
|
||||||
|
ctx: &mut Context,
|
||||||
|
) where
|
||||||
|
L: Lit,
|
||||||
|
V: AigValue<Context>,
|
||||||
|
{
|
||||||
|
assert_eq!(state.len(), 1 + aig.max_var_index);
|
||||||
|
|
||||||
|
for i in 0..aig.input_count {
|
||||||
|
state.push(input(i, ctx));
|
||||||
|
}
|
||||||
|
|
||||||
|
for latch in aig.latches.iter() {
|
||||||
|
let (var, polarity) = unpack_lit(latch.next_state);
|
||||||
|
state.push(state[var].invert_if(polarity, ctx));
|
||||||
|
}
|
||||||
|
|
||||||
|
state.drain(1..1 + aig.max_var_index);
|
||||||
|
|
||||||
|
for and_gate in aig.and_gates.iter() {
|
||||||
|
let [a, b] = and_gate.inputs.map(|lit| {
|
||||||
|
let (var, polarity) = unpack_lit(lit);
|
||||||
|
state[var].invert_if(polarity, ctx)
|
||||||
|
});
|
||||||
|
|
||||||
|
state.push(a.and(b, ctx));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl AigValue<()> for bool {
|
||||||
|
fn invert_if(self, en: bool, _ctx: &mut ()) -> Self {
|
||||||
|
self ^ en
|
||||||
|
}
|
||||||
|
|
||||||
|
fn and(self, other: Self, _ctx: &mut ()) -> Self {
|
||||||
|
self & other
|
||||||
|
}
|
||||||
|
|
||||||
|
fn constant(value: bool, _ctx: &mut ()) -> Self {
|
||||||
|
value
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl AigValue<()> for Option<bool> {
|
||||||
|
fn invert_if(self, en: bool, _ctx: &mut ()) -> Self {
|
||||||
|
self.map(|b| b ^ en)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn and(self, other: Self, _ctx: &mut ()) -> Self {
|
||||||
|
match (self, other) {
|
||||||
|
(Some(true), Some(true)) => Some(true),
|
||||||
|
(Some(false), _) | (_, Some(false)) => Some(false),
|
||||||
|
_ => None,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn constant(value: bool, _ctx: &mut ()) -> Self {
|
||||||
|
Some(value)
|
||||||
|
}
|
||||||
|
}
|
||||||
730
tools/aigcexmin/src/care_graph.rs
Normal file
730
tools/aigcexmin/src/care_graph.rs
Normal file
|
|
@ -0,0 +1,730 @@
|
||||||
|
use std::{
|
||||||
|
cmp::Reverse,
|
||||||
|
collections::{BTreeSet, BinaryHeap},
|
||||||
|
mem::{replace, take},
|
||||||
|
num::NonZeroU32,
|
||||||
|
};
|
||||||
|
|
||||||
|
use color_eyre::eyre::bail;
|
||||||
|
use flussab::DeferredWriter;
|
||||||
|
use flussab_aiger::{aig::OrderedAig, Lit};
|
||||||
|
use zwohash::HashMap;
|
||||||
|
|
||||||
|
use crate::{
|
||||||
|
aig_eval::{initial_frame, successor_frame, AigValue},
|
||||||
|
util::{unpack_lit, write_output_bit},
|
||||||
|
};
|
||||||
|
|
||||||
|
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
|
||||||
|
#[repr(transparent)]
|
||||||
|
pub struct NodeRef {
|
||||||
|
code: Reverse<NonZeroU32>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl std::fmt::Debug for NodeRef {
|
||||||
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||||
|
f.debug_tuple("NodeRef::new").field(&self.index()).finish()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl NodeRef {
|
||||||
|
const INVALID_INDEX: usize = u32::MAX as usize;
|
||||||
|
const TRUE_INDEX: usize = Self::INVALID_INDEX - 1;
|
||||||
|
const FALSE_INDEX: usize = Self::INVALID_INDEX - 2;
|
||||||
|
|
||||||
|
pub const TRUE: Self = Self::new(Self::TRUE_INDEX);
|
||||||
|
pub const FALSE: Self = Self::new(Self::FALSE_INDEX);
|
||||||
|
|
||||||
|
pub const fn new(index: usize) -> Self {
|
||||||
|
assert!(index < u32::MAX as usize);
|
||||||
|
let Some(code) = NonZeroU32::new(!(index as u32)) else {
|
||||||
|
unreachable!();
|
||||||
|
};
|
||||||
|
Self {
|
||||||
|
code: Reverse(code),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn index(self) -> usize {
|
||||||
|
!(self.code.0.get()) as usize
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
|
||||||
|
enum Gate {
|
||||||
|
And,
|
||||||
|
Or,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug)]
|
||||||
|
enum NodeDef {
|
||||||
|
Gate([NodeRef; 2]),
|
||||||
|
Input(u32),
|
||||||
|
}
|
||||||
|
|
||||||
|
impl NodeDef {
|
||||||
|
fn and(inputs: [NodeRef; 2]) -> Self {
|
||||||
|
assert!(inputs[0] < inputs[1]);
|
||||||
|
Self::Gate(inputs)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn or(inputs: [NodeRef; 2]) -> Self {
|
||||||
|
assert!(inputs[0] < inputs[1]);
|
||||||
|
Self::Gate([inputs[1], inputs[0]])
|
||||||
|
}
|
||||||
|
|
||||||
|
fn input(id: u32) -> Self {
|
||||||
|
Self::Input(id)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn as_gate(&self) -> Result<(Gate, [NodeRef; 2]), u32> {
|
||||||
|
match *self {
|
||||||
|
NodeDef::Gate(inputs) => {
|
||||||
|
if inputs[0] < inputs[1] {
|
||||||
|
Ok((Gate::And, inputs))
|
||||||
|
} else {
|
||||||
|
Ok((Gate::Or, [inputs[1], inputs[0]]))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
NodeDef::Input(input) => Err(input),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Default, Debug)]
|
||||||
|
enum NodeState {
|
||||||
|
#[default]
|
||||||
|
Unknown,
|
||||||
|
Nonselected,
|
||||||
|
Selected,
|
||||||
|
Required,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug)]
|
||||||
|
struct Node {
|
||||||
|
def: NodeDef,
|
||||||
|
priority: u32,
|
||||||
|
state: NodeState,
|
||||||
|
renamed: Option<NodeRef>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Node {
|
||||||
|
fn update_state(&mut self, state: NodeState) -> NodeState {
|
||||||
|
let old_state = self.state;
|
||||||
|
self.state = self.state.max(state);
|
||||||
|
old_state
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Default)]
|
||||||
|
pub struct AndOrGraph {
|
||||||
|
find_input: HashMap<u32, NodeRef>,
|
||||||
|
find_and: HashMap<[NodeRef; 2], NodeRef>,
|
||||||
|
find_or: HashMap<[NodeRef; 2], NodeRef>,
|
||||||
|
|
||||||
|
// find_renamed: HashMap<NodeRef, NodeRef>,
|
||||||
|
nodes: Vec<Node>,
|
||||||
|
queue: BinaryHeap<NodeRef>,
|
||||||
|
stack: Vec<NodeRef>,
|
||||||
|
|
||||||
|
unknown_inputs: BTreeSet<u32>,
|
||||||
|
required_inputs: BTreeSet<u32>,
|
||||||
|
active_node_count: usize,
|
||||||
|
|
||||||
|
input_order: Vec<(NodeRef, u32)>,
|
||||||
|
cache: bool,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl AndOrGraph {
|
||||||
|
pub fn input(&mut self, id: u32) -> NodeRef {
|
||||||
|
assert!(id <= u32::MAX - 2);
|
||||||
|
*self.find_input.entry(id).or_insert_with(|| {
|
||||||
|
let node_ref = NodeRef::new(self.nodes.len());
|
||||||
|
let node = Node {
|
||||||
|
def: NodeDef::input(id),
|
||||||
|
priority: id,
|
||||||
|
state: NodeState::Unknown,
|
||||||
|
renamed: None,
|
||||||
|
};
|
||||||
|
self.nodes.push(node);
|
||||||
|
self.unknown_inputs.insert(id);
|
||||||
|
node_ref
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn and(&mut self, mut inputs: [NodeRef; 2]) -> NodeRef {
|
||||||
|
inputs.sort_unstable();
|
||||||
|
if inputs[1] == NodeRef::FALSE {
|
||||||
|
NodeRef::FALSE
|
||||||
|
} else if inputs[1] == NodeRef::TRUE || inputs[1] == inputs[0] {
|
||||||
|
inputs[0]
|
||||||
|
} else {
|
||||||
|
let [a, b] = inputs;
|
||||||
|
match inputs.map(|input| self.nodes[input.index()].def.as_gate()) {
|
||||||
|
[Ok((Gate::And, [a0, a1])), _] if b == a0 || b == a1 => {
|
||||||
|
return a;
|
||||||
|
}
|
||||||
|
[_, Ok((Gate::And, [b0, b1]))] if a == b0 || a == b1 => {
|
||||||
|
return b;
|
||||||
|
}
|
||||||
|
|
||||||
|
[Ok((Gate::Or, [a0, a1])), _] if b == a0 || b == a1 => {
|
||||||
|
return b;
|
||||||
|
}
|
||||||
|
[_, Ok((Gate::Or, [b0, b1]))] if a == b0 || a == b1 => {
|
||||||
|
return a;
|
||||||
|
}
|
||||||
|
|
||||||
|
_ => (),
|
||||||
|
}
|
||||||
|
|
||||||
|
let mut mknode = || {
|
||||||
|
let node_ref = NodeRef::new(self.nodes.len());
|
||||||
|
|
||||||
|
let [a, b] = inputs.map(|input| self.nodes[input.index()].priority);
|
||||||
|
|
||||||
|
let node = Node {
|
||||||
|
def: NodeDef::and(inputs),
|
||||||
|
priority: a.min(b),
|
||||||
|
state: NodeState::Unknown,
|
||||||
|
renamed: None,
|
||||||
|
};
|
||||||
|
self.nodes.push(node);
|
||||||
|
node_ref
|
||||||
|
};
|
||||||
|
|
||||||
|
if self.cache {
|
||||||
|
*self.find_and.entry(inputs).or_insert_with(mknode)
|
||||||
|
} else {
|
||||||
|
mknode()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn or(&mut self, mut inputs: [NodeRef; 2]) -> NodeRef {
|
||||||
|
inputs.sort_unstable();
|
||||||
|
|
||||||
|
if inputs[1] == NodeRef::TRUE {
|
||||||
|
NodeRef::TRUE
|
||||||
|
} else if inputs[1] == NodeRef::FALSE || inputs[1] == inputs[0] {
|
||||||
|
inputs[0]
|
||||||
|
} else {
|
||||||
|
let [a, b] = inputs;
|
||||||
|
match inputs.map(|input| self.nodes[input.index()].def.as_gate()) {
|
||||||
|
[Ok((Gate::Or, [a0, a1])), _] if b == a0 || b == a1 => {
|
||||||
|
return a;
|
||||||
|
}
|
||||||
|
[_, Ok((Gate::Or, [b0, b1]))] if a == b0 || a == b1 => {
|
||||||
|
return b;
|
||||||
|
}
|
||||||
|
|
||||||
|
[Ok((Gate::And, [a0, a1])), _] if b == a0 || b == a1 => {
|
||||||
|
return b;
|
||||||
|
}
|
||||||
|
[_, Ok((Gate::And, [b0, b1]))] if a == b0 || a == b1 => {
|
||||||
|
return a;
|
||||||
|
}
|
||||||
|
|
||||||
|
_ => (),
|
||||||
|
}
|
||||||
|
|
||||||
|
let mut mknode = || {
|
||||||
|
let node_ref = NodeRef::new(self.nodes.len());
|
||||||
|
|
||||||
|
let [a, b] = inputs.map(|input| self.nodes[input.index()].priority);
|
||||||
|
|
||||||
|
let node = Node {
|
||||||
|
def: NodeDef::or(inputs),
|
||||||
|
priority: a.max(b),
|
||||||
|
state: NodeState::Unknown,
|
||||||
|
renamed: None,
|
||||||
|
};
|
||||||
|
self.nodes.push(node);
|
||||||
|
node_ref
|
||||||
|
};
|
||||||
|
|
||||||
|
if self.cache {
|
||||||
|
*self.find_or.entry(inputs).or_insert_with(mknode)
|
||||||
|
} else {
|
||||||
|
mknode()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn pass(&mut self, target: NodeRef, shuffle: usize, mut enable_cache: bool) -> NodeRef {
|
||||||
|
if self.cache {
|
||||||
|
enable_cache = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
self.nodes[target.index()].state = NodeState::Required;
|
||||||
|
self.queue.push(target);
|
||||||
|
|
||||||
|
let target_priority = self.nodes[target.index()].priority;
|
||||||
|
|
||||||
|
'queue: while let Some(current) = self.queue.pop() {
|
||||||
|
let node = &self.nodes[current.index()];
|
||||||
|
let state = node.state;
|
||||||
|
|
||||||
|
self.stack.push(current);
|
||||||
|
|
||||||
|
match node.def.as_gate() {
|
||||||
|
Ok((Gate::And, inputs)) => {
|
||||||
|
if enable_cache {
|
||||||
|
self.find_and.insert(inputs, current);
|
||||||
|
}
|
||||||
|
for input in inputs {
|
||||||
|
let node = &mut self.nodes[input.index()];
|
||||||
|
if node.update_state(state) == NodeState::Unknown {
|
||||||
|
self.queue.push(input);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Ok((Gate::Or, inputs)) => {
|
||||||
|
if enable_cache {
|
||||||
|
self.find_or.insert(inputs, current);
|
||||||
|
}
|
||||||
|
for input in inputs {
|
||||||
|
let node = &mut self.nodes[input.index()];
|
||||||
|
if node.update_state(NodeState::Nonselected) == NodeState::Unknown {
|
||||||
|
self.queue.push(input);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if state <= NodeState::Nonselected {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
let input_priorities = inputs.map(|input| self.nodes[input.index()].priority);
|
||||||
|
|
||||||
|
for (i, input_priority) in input_priorities.into_iter().enumerate() {
|
||||||
|
if input_priority < target_priority {
|
||||||
|
// The other input will be false, so propagate the state
|
||||||
|
self.nodes[inputs[i ^ 1].index()].update_state(state);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
for input in inputs {
|
||||||
|
let input_state = self.nodes[input.index()].state;
|
||||||
|
if input_state >= NodeState::Selected {
|
||||||
|
// One input of the or is already marked, no need to mark the other
|
||||||
|
continue 'queue;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Mark the highest priority input
|
||||||
|
let input = inputs[(input_priorities[1] > input_priorities[0]) as usize];
|
||||||
|
self.nodes[input.index()].update_state(NodeState::Selected);
|
||||||
|
}
|
||||||
|
Err(_input) => (),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if enable_cache {
|
||||||
|
self.cache = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
let mut stack = take(&mut self.stack);
|
||||||
|
|
||||||
|
self.active_node_count = stack.len();
|
||||||
|
|
||||||
|
self.unknown_inputs.clear();
|
||||||
|
|
||||||
|
for current in stack.drain(..).rev() {
|
||||||
|
let node = &mut self.nodes[current.index()];
|
||||||
|
let state = replace(&mut node.state, NodeState::Unknown);
|
||||||
|
let priority = node.priority;
|
||||||
|
|
||||||
|
match node.def.as_gate() {
|
||||||
|
Ok((gate, inputs)) => {
|
||||||
|
let new_inputs = inputs.map(|input| self.nodes[input.index()].renamed.unwrap());
|
||||||
|
|
||||||
|
let output = if new_inputs == inputs {
|
||||||
|
current
|
||||||
|
} else {
|
||||||
|
match gate {
|
||||||
|
Gate::And => self.and(new_inputs),
|
||||||
|
Gate::Or => self.or(new_inputs),
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
if shuffle > 0 && output != NodeRef::FALSE && output != NodeRef::TRUE {
|
||||||
|
if let Ok((gate, inputs)) = self.nodes[output.index()].def.as_gate() {
|
||||||
|
let [a, b] = inputs.map(|input| self.nodes[input.index()].priority);
|
||||||
|
|
||||||
|
self.nodes[output.index()].priority = match gate {
|
||||||
|
Gate::And => a.min(b),
|
||||||
|
Gate::Or => a.max(b),
|
||||||
|
};
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
self.nodes[current.index()].renamed = Some(output);
|
||||||
|
}
|
||||||
|
Err(input) => match priority.cmp(&target_priority) {
|
||||||
|
std::cmp::Ordering::Less => {
|
||||||
|
self.nodes[current.index()].renamed = Some(NodeRef::FALSE);
|
||||||
|
}
|
||||||
|
std::cmp::Ordering::Equal => {
|
||||||
|
self.required_inputs.insert(input);
|
||||||
|
self.nodes[current.index()].renamed = Some(NodeRef::TRUE);
|
||||||
|
}
|
||||||
|
std::cmp::Ordering::Greater => match state {
|
||||||
|
NodeState::Required => {
|
||||||
|
self.required_inputs.insert(input);
|
||||||
|
self.nodes[current.index()].renamed = Some(NodeRef::TRUE);
|
||||||
|
}
|
||||||
|
NodeState::Selected => {
|
||||||
|
self.unknown_inputs.insert(input);
|
||||||
|
self.nodes[current.index()].renamed = Some(current);
|
||||||
|
|
||||||
|
if shuffle > 0 {
|
||||||
|
let priority = &mut self.nodes[current.index()].priority;
|
||||||
|
let mask = !(u64::MAX << 32.min(shuffle - 1)) as u32;
|
||||||
|
|
||||||
|
*priority ^=
|
||||||
|
!(*priority ^ priority.wrapping_mul(0x2c9277b5)) & mask;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
NodeState::Nonselected => {
|
||||||
|
self.nodes[current.index()].renamed = Some(NodeRef::FALSE);
|
||||||
|
}
|
||||||
|
NodeState::Unknown => {
|
||||||
|
unreachable!();
|
||||||
|
}
|
||||||
|
},
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
self.input_order.clear();
|
||||||
|
|
||||||
|
let result = self.nodes[target.index()].renamed.unwrap();
|
||||||
|
self.stack = stack;
|
||||||
|
|
||||||
|
result
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl AigValue<AndOrGraph> for (Option<bool>, NodeRef) {
|
||||||
|
fn invert_if(self, en: bool, _: &mut AndOrGraph) -> Self {
|
||||||
|
let (value, care) = self;
|
||||||
|
(value.map(|b| b ^ en), care)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn and(self, other: Self, ctx: &mut AndOrGraph) -> Self {
|
||||||
|
let (value_a, care_a) = self;
|
||||||
|
let (value_b, care_b) = other;
|
||||||
|
|
||||||
|
match (value_a, value_b) {
|
||||||
|
(Some(true), Some(true)) => (Some(true), ctx.and([care_a, care_b])),
|
||||||
|
(Some(false), Some(false)) => (Some(false), ctx.or([care_a, care_b])),
|
||||||
|
(Some(false), _) => (Some(false), care_a),
|
||||||
|
(_, Some(false)) => (Some(false), care_b),
|
||||||
|
_ => (None, NodeRef::FALSE),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn constant(value: bool, _: &mut AndOrGraph) -> Self {
|
||||||
|
(Some(value), NodeRef::TRUE)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Clone, Copy, PartialEq, Eq, Debug)]
|
||||||
|
pub enum Verification {
|
||||||
|
Cex,
|
||||||
|
Full,
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct MinimizationOptions {
|
||||||
|
pub fixed_init: bool,
|
||||||
|
pub verify: Option<Verification>,
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn minimize<L: Lit>(
|
||||||
|
aig: &OrderedAig<L>,
|
||||||
|
latch_init: &[Option<bool>],
|
||||||
|
frame_inputs: &[Vec<Option<bool>>],
|
||||||
|
writer: &mut DeferredWriter,
|
||||||
|
options: &MinimizationOptions,
|
||||||
|
) -> color_eyre::Result<()> {
|
||||||
|
let Some(initial_inputs) = frame_inputs.first() else {
|
||||||
|
bail!("no inputs found");
|
||||||
|
};
|
||||||
|
|
||||||
|
let mut state = vec![];
|
||||||
|
|
||||||
|
let mut graph = AndOrGraph::default();
|
||||||
|
|
||||||
|
let input_id = |frame: Option<usize>, index: usize| -> u32 {
|
||||||
|
(if let Some(frame) = frame {
|
||||||
|
latch_init.len() + frame * initial_inputs.len() + index
|
||||||
|
} else {
|
||||||
|
index
|
||||||
|
})
|
||||||
|
.try_into()
|
||||||
|
.unwrap()
|
||||||
|
};
|
||||||
|
|
||||||
|
let decode_input_id = |id: u32| -> (Option<usize>, usize) {
|
||||||
|
let id = id as usize;
|
||||||
|
if id < latch_init.len() {
|
||||||
|
(None, id)
|
||||||
|
} else {
|
||||||
|
let id = id - latch_init.len();
|
||||||
|
let frame = id / initial_inputs.len();
|
||||||
|
let index = id % initial_inputs.len();
|
||||||
|
(Some(frame), index)
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
initial_frame(
|
||||||
|
aig,
|
||||||
|
&mut state,
|
||||||
|
|i, ctx| {
|
||||||
|
(
|
||||||
|
latch_init[i],
|
||||||
|
if latch_init[i].is_some() {
|
||||||
|
if options.fixed_init {
|
||||||
|
NodeRef::TRUE
|
||||||
|
} else {
|
||||||
|
ctx.input(input_id(None, i))
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
NodeRef::FALSE
|
||||||
|
},
|
||||||
|
)
|
||||||
|
},
|
||||||
|
|i, ctx| {
|
||||||
|
(
|
||||||
|
initial_inputs[i],
|
||||||
|
if initial_inputs[i].is_some() {
|
||||||
|
ctx.input(input_id(Some(0), i))
|
||||||
|
} else {
|
||||||
|
NodeRef::FALSE
|
||||||
|
},
|
||||||
|
)
|
||||||
|
},
|
||||||
|
&mut graph,
|
||||||
|
);
|
||||||
|
|
||||||
|
let mut minimization_target = 'minimization_target: {
|
||||||
|
for (t, inputs) in frame_inputs.iter().enumerate() {
|
||||||
|
if t > 0 {
|
||||||
|
successor_frame(
|
||||||
|
aig,
|
||||||
|
&mut state,
|
||||||
|
|i, ctx| {
|
||||||
|
(
|
||||||
|
inputs[i],
|
||||||
|
if inputs[i].is_some() {
|
||||||
|
ctx.input(input_id(Some(t), i))
|
||||||
|
} else {
|
||||||
|
NodeRef::FALSE
|
||||||
|
},
|
||||||
|
)
|
||||||
|
},
|
||||||
|
&mut graph,
|
||||||
|
);
|
||||||
|
}
|
||||||
|
let mut good_state = (Some(true), NodeRef::TRUE);
|
||||||
|
|
||||||
|
for (i, bad) in aig.bad_state_properties.iter().enumerate() {
|
||||||
|
let (var, polarity) = unpack_lit(*bad);
|
||||||
|
let inv_bad = state[var].invert_if(!polarity, &mut graph);
|
||||||
|
|
||||||
|
if inv_bad.0 == Some(false) {
|
||||||
|
println!("bad state property {i} active in frame {t}");
|
||||||
|
}
|
||||||
|
|
||||||
|
good_state = good_state.and(inv_bad, &mut graph);
|
||||||
|
}
|
||||||
|
if good_state.0 == Some(false) {
|
||||||
|
println!("bad state found in frame {t}");
|
||||||
|
|
||||||
|
break 'minimization_target good_state.1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if t > 0 && t % 500 == 0 {
|
||||||
|
println!(
|
||||||
|
"traced frame {t}/{frames}: node count = {node_count}",
|
||||||
|
frames = frame_inputs.len(),
|
||||||
|
node_count = graph.nodes.len(),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bail!("no bad state found");
|
||||||
|
};
|
||||||
|
|
||||||
|
let node_count_width = (graph.nodes.len().max(2) - 1).ilog10() as usize + 1;
|
||||||
|
let input_count_width = (graph.unknown_inputs.len().max(2) - 1).ilog10() as usize + 1;
|
||||||
|
|
||||||
|
println!(
|
||||||
|
"input: node count = {node_count:w0$}, defined inputs = {defined_inputs:w1$}",
|
||||||
|
node_count = graph.nodes.len(),
|
||||||
|
defined_inputs = graph.unknown_inputs.len(),
|
||||||
|
w0 = node_count_width,
|
||||||
|
w1 = input_count_width,
|
||||||
|
);
|
||||||
|
|
||||||
|
let mut shuffle = 0;
|
||||||
|
|
||||||
|
let mut iteration = 0;
|
||||||
|
|
||||||
|
while minimization_target != NodeRef::TRUE {
|
||||||
|
let prev_unknown_inputs = graph.unknown_inputs.len();
|
||||||
|
minimization_target = graph.pass(minimization_target, shuffle, iteration >= 1);
|
||||||
|
let unknown_inputs = graph.unknown_inputs.len();
|
||||||
|
let required_inputs = graph.required_inputs.len();
|
||||||
|
println!(
|
||||||
|
concat!(
|
||||||
|
"iter: node count = {node_count:w0$}, defined inputs = {defined_inputs:w1$}, ",
|
||||||
|
"required inputs = {required_inputs:w1$}, shuffle = {shuffle}"
|
||||||
|
),
|
||||||
|
node_count = graph.active_node_count,
|
||||||
|
required_inputs = required_inputs,
|
||||||
|
defined_inputs = unknown_inputs + required_inputs,
|
||||||
|
shuffle = shuffle,
|
||||||
|
w0 = node_count_width,
|
||||||
|
w1 = input_count_width,
|
||||||
|
);
|
||||||
|
|
||||||
|
if unknown_inputs + (unknown_inputs / 4) < prev_unknown_inputs {
|
||||||
|
shuffle = 0;
|
||||||
|
} else {
|
||||||
|
shuffle += 1;
|
||||||
|
}
|
||||||
|
iteration += 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
println!("minimization complete");
|
||||||
|
|
||||||
|
for i in 0..aig.latches.len() {
|
||||||
|
let bit = if options.fixed_init || graph.required_inputs.contains(&input_id(None, i)) {
|
||||||
|
latch_init[i]
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
};
|
||||||
|
|
||||||
|
write_output_bit(writer, bit);
|
||||||
|
}
|
||||||
|
|
||||||
|
writer.write_all_defer_err(b"\n");
|
||||||
|
|
||||||
|
for (t, inputs) in frame_inputs.iter().enumerate() {
|
||||||
|
for i in 0..aig.input_count {
|
||||||
|
let bit = if graph.required_inputs.contains(&input_id(Some(t), i)) {
|
||||||
|
inputs[i]
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
};
|
||||||
|
|
||||||
|
write_output_bit(writer, bit);
|
||||||
|
}
|
||||||
|
writer.write_all_defer_err(b"\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
writer.write_all_defer_err(b"# DONE\n");
|
||||||
|
writer.flush_defer_err();
|
||||||
|
writer.check_io_error()?;
|
||||||
|
|
||||||
|
let Some(verify) = options.verify else {
|
||||||
|
return Ok(());
|
||||||
|
};
|
||||||
|
|
||||||
|
let mut check_state: Vec<Option<bool>> = vec![];
|
||||||
|
|
||||||
|
let empty_set = BTreeSet::new();
|
||||||
|
|
||||||
|
let verify_from = match verify {
|
||||||
|
Verification::Cex => &empty_set,
|
||||||
|
Verification::Full => &graph.required_inputs,
|
||||||
|
};
|
||||||
|
|
||||||
|
for check in [None]
|
||||||
|
.into_iter()
|
||||||
|
.chain(verify_from.iter().copied().map(Some))
|
||||||
|
{
|
||||||
|
check_state.clear();
|
||||||
|
|
||||||
|
initial_frame(
|
||||||
|
aig,
|
||||||
|
&mut check_state,
|
||||||
|
|i, _| {
|
||||||
|
let input = input_id(None, i);
|
||||||
|
if options.fixed_init
|
||||||
|
|| (Some(input) != check && graph.required_inputs.contains(&input))
|
||||||
|
{
|
||||||
|
latch_init[i]
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|i, _| {
|
||||||
|
let input = input_id(Some(0), i);
|
||||||
|
if Some(input) != check && graph.required_inputs.contains(&input) {
|
||||||
|
initial_inputs[i]
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
}
|
||||||
|
},
|
||||||
|
&mut (),
|
||||||
|
);
|
||||||
|
|
||||||
|
let mut bad_state = false;
|
||||||
|
|
||||||
|
'frame: for (t, inputs) in frame_inputs.iter().enumerate() {
|
||||||
|
if t > 0 {
|
||||||
|
successor_frame(
|
||||||
|
aig,
|
||||||
|
&mut check_state,
|
||||||
|
|i, _| {
|
||||||
|
let input = input_id(Some(t), i);
|
||||||
|
if Some(input) != check && graph.required_inputs.contains(&input) {
|
||||||
|
inputs[i]
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
}
|
||||||
|
},
|
||||||
|
&mut (),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
for bad in aig.bad_state_properties.iter() {
|
||||||
|
let (var, polarity) = unpack_lit(*bad);
|
||||||
|
let bad_output = check_state[var].invert_if(polarity, &mut ());
|
||||||
|
if bad_output == Some(true) {
|
||||||
|
bad_state = true;
|
||||||
|
break 'frame;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if bad_state != check.is_none() {
|
||||||
|
if let Some(check) = check {
|
||||||
|
let (frame, input) = decode_input_id(check);
|
||||||
|
if let Some(frame) = frame {
|
||||||
|
bail!("minimality verification wrt. frame {frame} input {input} failed");
|
||||||
|
} else {
|
||||||
|
bail!("minimality verification wrt. initial latch {input} failed");
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
bail!("counter example verification failed");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if let Some(check) = check {
|
||||||
|
let (frame, input) = decode_input_id(check);
|
||||||
|
if let Some(frame) = frame {
|
||||||
|
println!("verified minimality wrt. frame {frame} input {input}");
|
||||||
|
} else {
|
||||||
|
println!("verified minimality wrt. initial latch {input}");
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
println!("verified counter example");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
145
tools/aigcexmin/src/main.rs
Normal file
145
tools/aigcexmin/src/main.rs
Normal file
|
|
@ -0,0 +1,145 @@
|
||||||
|
#![allow(clippy::needless_range_loop)]
|
||||||
|
|
||||||
|
use std::{fs, mem::replace, path::PathBuf};
|
||||||
|
|
||||||
|
use clap::{Parser, ValueEnum};
|
||||||
|
use color_eyre::eyre::bail;
|
||||||
|
|
||||||
|
use flussab_aiger::binary;
|
||||||
|
|
||||||
|
pub mod aig_eval;
|
||||||
|
pub mod care_graph;
|
||||||
|
pub mod util;
|
||||||
|
|
||||||
|
/// AIG counter example minimization
|
||||||
|
#[derive(clap::Parser)]
|
||||||
|
#[command(author, version, about, long_about = None, help_template="\
|
||||||
|
{before-help}{name} {version}
|
||||||
|
{author-with-newline}{about-with-newline}
|
||||||
|
{usage-heading} {usage}
|
||||||
|
|
||||||
|
{all-args}{after-help}
|
||||||
|
")]
|
||||||
|
pub struct Options {
|
||||||
|
/// Input AIGER file
|
||||||
|
aig: PathBuf,
|
||||||
|
/// Input AIGER witness file
|
||||||
|
witness: PathBuf,
|
||||||
|
/// Output AIGER witness file
|
||||||
|
output: PathBuf,
|
||||||
|
|
||||||
|
/// Verify the minimized counter example
|
||||||
|
#[clap(long, default_value = "cex")]
|
||||||
|
verify: VerificationOption,
|
||||||
|
|
||||||
|
/// Minimize latch initialization values
|
||||||
|
///
|
||||||
|
/// Without this option the latch initialization values of the witness file are assumed to be
|
||||||
|
/// fixed and will remain as-is in the minimized witness file.
|
||||||
|
///
|
||||||
|
/// Note that some tools (including the current Yosys/SBY flow) do not use AIGER native latch
|
||||||
|
/// initialization but instead perform initialization using inputs in the first frame.
|
||||||
|
#[clap(long)]
|
||||||
|
latches: bool,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Copy, Clone, ValueEnum)]
|
||||||
|
enum VerificationOption {
|
||||||
|
/// Skip verification
|
||||||
|
Off,
|
||||||
|
/// Verify the counter example
|
||||||
|
Cex,
|
||||||
|
/// Verify the counter example and that it is minimal (expensive)
|
||||||
|
Full,
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() -> color_eyre::Result<()> {
|
||||||
|
let options = Options::parse();
|
||||||
|
|
||||||
|
color_eyre::install()?;
|
||||||
|
|
||||||
|
let file_input = fs::File::open(options.aig)?;
|
||||||
|
let file_witness = fs::File::open(options.witness)?;
|
||||||
|
let file_output = fs::File::create(options.output)?;
|
||||||
|
|
||||||
|
let mut writer_output = flussab::DeferredWriter::from_write(file_output);
|
||||||
|
|
||||||
|
let mut read_witness_owned = flussab::DeferredReader::from_read(file_witness);
|
||||||
|
let read_witness = &mut read_witness_owned;
|
||||||
|
|
||||||
|
let aig_reader = binary::Parser::<u32>::from_read(file_input, binary::Config::default())?;
|
||||||
|
|
||||||
|
let aig = aig_reader.parse()?;
|
||||||
|
|
||||||
|
let mut offset = 0;
|
||||||
|
offset = flussab::text::next_newline(read_witness, offset);
|
||||||
|
|
||||||
|
if offset == 2 {
|
||||||
|
read_witness.advance(replace(&mut offset, 0));
|
||||||
|
offset = flussab::text::next_newline(read_witness, offset);
|
||||||
|
read_witness.advance(replace(&mut offset, 0));
|
||||||
|
|
||||||
|
offset = flussab::text::next_newline(read_witness, offset);
|
||||||
|
}
|
||||||
|
|
||||||
|
if offset != aig.latches.len() + 1 {
|
||||||
|
bail!(
|
||||||
|
"unexpected number of initial latch states, found {} expected {}",
|
||||||
|
offset.saturating_sub(1),
|
||||||
|
aig.latches.len()
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
let latch_init = read_witness.buf()[..aig.latches.len()]
|
||||||
|
.iter()
|
||||||
|
.copied()
|
||||||
|
.map(util::parse_input_bit)
|
||||||
|
.collect::<Result<Vec<_>, _>>()?;
|
||||||
|
|
||||||
|
read_witness.advance(replace(&mut offset, 0));
|
||||||
|
|
||||||
|
let mut frame_inputs = vec![];
|
||||||
|
|
||||||
|
loop {
|
||||||
|
offset = flussab::text::next_newline(read_witness, offset);
|
||||||
|
|
||||||
|
if matches!(read_witness.buf().first(), None | Some(b'.') | Some(b'#')) {
|
||||||
|
read_witness.check_io_error()?;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if offset != aig.input_count + 1 {
|
||||||
|
bail!(
|
||||||
|
"unexpected number of input bits, found {} expected {}",
|
||||||
|
offset.saturating_sub(1),
|
||||||
|
aig.input_count
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
frame_inputs.push(
|
||||||
|
read_witness.buf()[..aig.input_count]
|
||||||
|
.iter()
|
||||||
|
.copied()
|
||||||
|
.map(util::parse_input_bit)
|
||||||
|
.collect::<Result<Vec<_>, _>>()?,
|
||||||
|
);
|
||||||
|
read_witness.advance(replace(&mut offset, 0));
|
||||||
|
}
|
||||||
|
|
||||||
|
care_graph::minimize(
|
||||||
|
&aig,
|
||||||
|
&latch_init,
|
||||||
|
&frame_inputs,
|
||||||
|
&mut writer_output,
|
||||||
|
&care_graph::MinimizationOptions {
|
||||||
|
fixed_init: !options.latches,
|
||||||
|
verify: match options.verify {
|
||||||
|
VerificationOption::Off => None,
|
||||||
|
VerificationOption::Cex => Some(care_graph::Verification::Cex),
|
||||||
|
VerificationOption::Full => Some(care_graph::Verification::Full),
|
||||||
|
},
|
||||||
|
},
|
||||||
|
)?;
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
25
tools/aigcexmin/src/util.rs
Normal file
25
tools/aigcexmin/src/util.rs
Normal file
|
|
@ -0,0 +1,25 @@
|
||||||
|
use color_eyre::eyre::bail;
|
||||||
|
use flussab::DeferredWriter;
|
||||||
|
use flussab_aiger::Lit;
|
||||||
|
|
||||||
|
pub fn unpack_lit<L: Lit>(lit: L) -> (usize, bool) {
|
||||||
|
let lit = lit.code();
|
||||||
|
(lit >> 1, lit & 1 != 0)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn parse_input_bit(byte: u8) -> color_eyre::Result<Option<bool>> {
|
||||||
|
Ok(match byte {
|
||||||
|
b'0' => Some(false),
|
||||||
|
b'1' => Some(true),
|
||||||
|
b'x' => None,
|
||||||
|
_ => bail!("unexpected input bit {byte:?}"),
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn write_output_bit(writer: &mut DeferredWriter, bit: Option<bool>) {
|
||||||
|
writer.write_all_defer_err(match bit {
|
||||||
|
Some(false) => b"0",
|
||||||
|
Some(true) => b"1",
|
||||||
|
None => b"x",
|
||||||
|
})
|
||||||
|
}
|
||||||
584
tools/cexenum/cexenum.py
Executable file
584
tools/cexenum/cexenum.py
Executable file
|
|
@ -0,0 +1,584 @@
|
||||||
|
#!/usr/bin/env tabbypy3
|
||||||
|
from __future__ import annotations
|
||||||
|
import asyncio
|
||||||
|
|
||||||
|
import json
|
||||||
|
import traceback
|
||||||
|
import argparse
|
||||||
|
import shutil
|
||||||
|
import shlex
|
||||||
|
import os
|
||||||
|
from pathlib import Path
|
||||||
|
from typing import Any, Awaitable, Literal
|
||||||
|
|
||||||
|
import yosys_mau.task_loop.job_server as job
|
||||||
|
from yosys_mau import task_loop as tl
|
||||||
|
|
||||||
|
|
||||||
|
libexec = Path(__file__).parent.resolve() / "libexec"
|
||||||
|
|
||||||
|
if libexec.exists():
|
||||||
|
os.environb[b"PATH"] = bytes(libexec) + b":" + os.environb[b"PATH"]
|
||||||
|
|
||||||
|
|
||||||
|
def arg_parser():
|
||||||
|
parser = argparse.ArgumentParser(
|
||||||
|
prog="cexenum", usage="%(prog)s [options] <sby_workdir>"
|
||||||
|
)
|
||||||
|
|
||||||
|
parser.add_argument(
|
||||||
|
"work_dir",
|
||||||
|
metavar="<workdir>",
|
||||||
|
help="existing SBY work directory",
|
||||||
|
type=Path,
|
||||||
|
)
|
||||||
|
|
||||||
|
parser.add_argument(
|
||||||
|
"--depth",
|
||||||
|
type=int,
|
||||||
|
metavar="N",
|
||||||
|
help="BMC depth for the initial assertion failure (default: %(default)s)",
|
||||||
|
default=100,
|
||||||
|
)
|
||||||
|
|
||||||
|
parser.add_argument(
|
||||||
|
"--enum-depth",
|
||||||
|
type=int,
|
||||||
|
metavar="N",
|
||||||
|
help="number of time steps to run enumeration for, starting with"
|
||||||
|
" and including the time step of the first assertion failure"
|
||||||
|
" (default: %(default)s)",
|
||||||
|
default=10,
|
||||||
|
)
|
||||||
|
|
||||||
|
parser.add_argument(
|
||||||
|
"--no-sim",
|
||||||
|
dest="sim",
|
||||||
|
action="store_false",
|
||||||
|
help="do not run sim to obtain .fst traces for the enumerated counter examples",
|
||||||
|
)
|
||||||
|
|
||||||
|
parser.add_argument(
|
||||||
|
"--smtbmc-options",
|
||||||
|
metavar='"..."',
|
||||||
|
type=shlex.split,
|
||||||
|
help='command line options to pass to smtbmc (default: "%(default)s")',
|
||||||
|
default="-s yices --unroll",
|
||||||
|
)
|
||||||
|
|
||||||
|
parser.add_argument("--debug", action="store_true", help="enable debug logging")
|
||||||
|
parser.add_argument(
|
||||||
|
"--debug-events", action="store_true", help="enable debug event logging"
|
||||||
|
)
|
||||||
|
|
||||||
|
parser.add_argument(
|
||||||
|
"-j",
|
||||||
|
metavar="<N>",
|
||||||
|
type=int,
|
||||||
|
dest="jobs",
|
||||||
|
help="maximum number of processes to run in parallel",
|
||||||
|
default=None,
|
||||||
|
)
|
||||||
|
|
||||||
|
return parser
|
||||||
|
|
||||||
|
|
||||||
|
def lines(*args):
|
||||||
|
return "".join(f"{line}\n" for line in args)
|
||||||
|
|
||||||
|
|
||||||
|
@tl.task_context
|
||||||
|
class App:
|
||||||
|
raw_args: argparse.Namespace
|
||||||
|
|
||||||
|
debug: bool = False
|
||||||
|
debug_events: bool = False
|
||||||
|
|
||||||
|
depth: int
|
||||||
|
enum_depth: int
|
||||||
|
sim: bool
|
||||||
|
|
||||||
|
smtbmc_options: list[str]
|
||||||
|
|
||||||
|
work_dir: Path
|
||||||
|
|
||||||
|
work_subdir: Path
|
||||||
|
trace_dir_full: Path
|
||||||
|
trace_dir_min: Path
|
||||||
|
cache_dir: Path
|
||||||
|
|
||||||
|
|
||||||
|
def main() -> None:
|
||||||
|
args = arg_parser().parse_args()
|
||||||
|
|
||||||
|
job.global_client(args.jobs)
|
||||||
|
|
||||||
|
# Move command line arguments into the App context
|
||||||
|
for name in dir(args):
|
||||||
|
if name in type(App).__mro__[1].__annotations__:
|
||||||
|
setattr(App, name, getattr(args, name))
|
||||||
|
|
||||||
|
App.raw_args = args
|
||||||
|
|
||||||
|
try:
|
||||||
|
tl.run_task_loop(task_loop_main)
|
||||||
|
except tl.TaskCancelled:
|
||||||
|
exit(1)
|
||||||
|
except BaseException as e:
|
||||||
|
if App.debug or App.debug_events:
|
||||||
|
traceback.print_exc()
|
||||||
|
tl.log_exception(e, raise_error=False) # Automatically avoids double logging
|
||||||
|
exit(1)
|
||||||
|
|
||||||
|
|
||||||
|
def setup_logging():
|
||||||
|
tl.LogContext.app_name = "CEXENUM"
|
||||||
|
tl.logging.start_logging()
|
||||||
|
|
||||||
|
if App.debug_events:
|
||||||
|
tl.logging.start_debug_event_logging()
|
||||||
|
if App.debug:
|
||||||
|
tl.LogContext.level = "debug"
|
||||||
|
|
||||||
|
def error_handler(err: BaseException):
|
||||||
|
if isinstance(err, tl.TaskCancelled):
|
||||||
|
return
|
||||||
|
tl.log_exception(err, raise_error=True)
|
||||||
|
|
||||||
|
tl.current_task().set_error_handler(None, error_handler)
|
||||||
|
|
||||||
|
|
||||||
|
async def batch(*args):
|
||||||
|
result = None
|
||||||
|
for arg in args:
|
||||||
|
result = await arg
|
||||||
|
return result
|
||||||
|
|
||||||
|
|
||||||
|
async def task_loop_main() -> None:
|
||||||
|
setup_logging()
|
||||||
|
|
||||||
|
cached = False
|
||||||
|
|
||||||
|
App.cache_dir = App.work_dir / "cexenum_cache"
|
||||||
|
try:
|
||||||
|
App.cache_dir.mkdir()
|
||||||
|
except FileExistsError:
|
||||||
|
if (App.cache_dir / "done").exists():
|
||||||
|
cached = True
|
||||||
|
else:
|
||||||
|
shutil.rmtree(App.cache_dir)
|
||||||
|
App.cache_dir.mkdir()
|
||||||
|
|
||||||
|
App.work_subdir = App.work_dir / "cexenum"
|
||||||
|
try:
|
||||||
|
App.work_subdir.mkdir()
|
||||||
|
except FileExistsError:
|
||||||
|
shutil.rmtree(App.work_subdir)
|
||||||
|
App.work_subdir.mkdir()
|
||||||
|
|
||||||
|
App.trace_dir_full = App.work_subdir / "full"
|
||||||
|
App.trace_dir_full.mkdir()
|
||||||
|
App.trace_dir_min = App.work_subdir / "min"
|
||||||
|
App.trace_dir_min.mkdir()
|
||||||
|
|
||||||
|
if cached:
|
||||||
|
tl.log("Reusing cached AIGER model")
|
||||||
|
aig_model = tl.Task()
|
||||||
|
else:
|
||||||
|
aig_model = AigModel()
|
||||||
|
|
||||||
|
Enumeration(aig_model)
|
||||||
|
|
||||||
|
|
||||||
|
class AigModel(tl.process.Process):
|
||||||
|
def __init__(self):
|
||||||
|
self[tl.LogContext].scope = "aiger"
|
||||||
|
(App.cache_dir / "design_aiger.ys").write_text(
|
||||||
|
lines(
|
||||||
|
"read_ilang ../model/design_prep.il",
|
||||||
|
"hierarchy -simcheck",
|
||||||
|
"flatten",
|
||||||
|
"setundef -undriven -anyseq",
|
||||||
|
"setattr -set keep 1 w:\*",
|
||||||
|
"delete -output",
|
||||||
|
"opt -full",
|
||||||
|
"techmap",
|
||||||
|
"opt -fast",
|
||||||
|
"memory_map -formal",
|
||||||
|
"formalff -clk2ff -ff2anyinit",
|
||||||
|
"simplemap",
|
||||||
|
"dffunmap",
|
||||||
|
"abc -g AND -fast",
|
||||||
|
"opt_clean",
|
||||||
|
"stat",
|
||||||
|
"write_rtlil design_aiger.il",
|
||||||
|
"write_aiger -I -B -zinit"
|
||||||
|
" -map design_aiger.aim -ywmap design_aiger.ywa design_aiger.aig",
|
||||||
|
)
|
||||||
|
)
|
||||||
|
super().__init__(
|
||||||
|
["yosys", "-ql", "design_aiger.log", "design_aiger.ys"], cwd=App.cache_dir
|
||||||
|
)
|
||||||
|
self.name = "aiger"
|
||||||
|
self.log_output()
|
||||||
|
|
||||||
|
async def on_run(self) -> None:
|
||||||
|
await super().on_run()
|
||||||
|
(App.cache_dir / "done").write_text("")
|
||||||
|
|
||||||
|
|
||||||
|
class MinimizeTrace(tl.Task):
|
||||||
|
def __init__(self, trace_name: str, aig_model: tl.Task):
|
||||||
|
super().__init__()
|
||||||
|
self.trace_name = trace_name
|
||||||
|
|
||||||
|
full_yw = App.trace_dir_full / self.trace_name
|
||||||
|
min_yw = App.trace_dir_min / self.trace_name
|
||||||
|
|
||||||
|
stem = full_yw.stem
|
||||||
|
|
||||||
|
full_aiw = full_yw.with_suffix(".aiw")
|
||||||
|
min_aiw = min_yw.with_suffix(".aiw")
|
||||||
|
|
||||||
|
yw2aiw = YosysWitness(
|
||||||
|
"yw2aiw",
|
||||||
|
full_yw,
|
||||||
|
App.cache_dir / "design_aiger.ywa",
|
||||||
|
full_aiw,
|
||||||
|
cwd=App.trace_dir_full,
|
||||||
|
)
|
||||||
|
yw2aiw.depends_on(aig_model)
|
||||||
|
yw2aiw[tl.LogContext].scope = f"yw2aiw[{stem}]"
|
||||||
|
|
||||||
|
aigcexmin = AigCexMin(
|
||||||
|
App.cache_dir / "design_aiger.aig",
|
||||||
|
full_aiw,
|
||||||
|
min_aiw,
|
||||||
|
cwd=App.trace_dir_min,
|
||||||
|
)
|
||||||
|
aigcexmin.depends_on(yw2aiw)
|
||||||
|
aigcexmin[tl.LogContext].scope = f"aigcexmin[{stem}]"
|
||||||
|
|
||||||
|
self.aiw2yw = aiw2yw = YosysWitness(
|
||||||
|
"aiw2yw",
|
||||||
|
min_aiw,
|
||||||
|
App.cache_dir / "design_aiger.ywa",
|
||||||
|
min_yw,
|
||||||
|
cwd=App.trace_dir_min,
|
||||||
|
)
|
||||||
|
aiw2yw[tl.LogContext].scope = f"aiw2yw[{stem}]"
|
||||||
|
aiw2yw.depends_on(aigcexmin)
|
||||||
|
|
||||||
|
if App.sim:
|
||||||
|
sim = SimTrace(
|
||||||
|
App.cache_dir / "design_aiger.il",
|
||||||
|
min_yw,
|
||||||
|
min_yw.with_suffix(".fst"),
|
||||||
|
cwd=App.trace_dir_min,
|
||||||
|
)
|
||||||
|
|
||||||
|
sim[tl.LogContext].scope = f"sim[{stem}]"
|
||||||
|
sim.depends_on(aiw2yw)
|
||||||
|
|
||||||
|
|
||||||
|
def relative_to(target: Path, cwd: Path) -> Path:
|
||||||
|
prefix = Path("")
|
||||||
|
target = target.resolve()
|
||||||
|
cwd = cwd.resolve()
|
||||||
|
while True:
|
||||||
|
try:
|
||||||
|
return prefix / (target.relative_to(cwd))
|
||||||
|
except ValueError:
|
||||||
|
prefix = prefix / ".."
|
||||||
|
if cwd == cwd.parent:
|
||||||
|
return target
|
||||||
|
cwd = cwd.parent
|
||||||
|
|
||||||
|
|
||||||
|
class YosysWitness(tl.process.Process):
|
||||||
|
def __init__(
|
||||||
|
self,
|
||||||
|
mode: Literal["yw2aiw"] | Literal["aiw2yw"],
|
||||||
|
input: Path,
|
||||||
|
mapfile: Path,
|
||||||
|
output: Path,
|
||||||
|
cwd: Path,
|
||||||
|
):
|
||||||
|
super().__init__(
|
||||||
|
[
|
||||||
|
"yosys-witness",
|
||||||
|
mode,
|
||||||
|
str(relative_to(input, cwd)),
|
||||||
|
str(relative_to(mapfile, cwd)),
|
||||||
|
str(relative_to(output, cwd)),
|
||||||
|
],
|
||||||
|
cwd=cwd,
|
||||||
|
)
|
||||||
|
|
||||||
|
def handler(event: tl.process.OutputEvent):
|
||||||
|
tl.log_debug(event.output.rstrip("\n"))
|
||||||
|
|
||||||
|
self.sync_handle_events(tl.process.OutputEvent, handler)
|
||||||
|
|
||||||
|
|
||||||
|
class AigCexMin(tl.process.Process):
|
||||||
|
def __init__(self, design_aig: Path, input_aiw: Path, output_aiw: Path, cwd: Path):
|
||||||
|
super().__init__(
|
||||||
|
[
|
||||||
|
"aigcexmin",
|
||||||
|
str(relative_to(design_aig, cwd)),
|
||||||
|
str(relative_to(input_aiw, cwd)),
|
||||||
|
str(relative_to(output_aiw, cwd)),
|
||||||
|
],
|
||||||
|
cwd=cwd,
|
||||||
|
)
|
||||||
|
|
||||||
|
self.log_path = output_aiw.with_suffix(".log")
|
||||||
|
self.log_file = None
|
||||||
|
|
||||||
|
def handler(event: tl.process.OutputEvent):
|
||||||
|
if self.log_file is None:
|
||||||
|
self.log_file = self.log_path.open("w")
|
||||||
|
self.log_file.write(event.output)
|
||||||
|
self.log_file.flush()
|
||||||
|
tl.log_debug(event.output.rstrip("\n"))
|
||||||
|
|
||||||
|
self.sync_handle_events(tl.process.OutputEvent, handler)
|
||||||
|
|
||||||
|
def on_cleanup(self):
|
||||||
|
if self.log_file is not None:
|
||||||
|
self.log_file.close()
|
||||||
|
super().on_cleanup()
|
||||||
|
|
||||||
|
|
||||||
|
class SimTrace(tl.process.Process):
|
||||||
|
def __init__(self, design_il: Path, input_yw: Path, output_fst: Path, cwd: Path):
|
||||||
|
self[tl.LogContext].scope = "sim"
|
||||||
|
|
||||||
|
script_file = output_fst.with_suffix(".fst.ys")
|
||||||
|
log_file = output_fst.with_suffix(".fst.log")
|
||||||
|
|
||||||
|
script_file.write_text(
|
||||||
|
lines(
|
||||||
|
f"read_rtlil {relative_to(design_il, cwd)}",
|
||||||
|
"logger -nowarn"
|
||||||
|
' "Yosys witness trace has an unexpected value for the clock input"',
|
||||||
|
f"sim -zinit -r {relative_to(input_yw, cwd)} -hdlname"
|
||||||
|
f" -fst {relative_to(output_fst, cwd)}",
|
||||||
|
)
|
||||||
|
)
|
||||||
|
super().__init__(
|
||||||
|
[
|
||||||
|
"yosys",
|
||||||
|
"-ql",
|
||||||
|
str(relative_to(log_file, cwd)),
|
||||||
|
str(relative_to(script_file, cwd)),
|
||||||
|
],
|
||||||
|
cwd=cwd,
|
||||||
|
)
|
||||||
|
self.name = "sim"
|
||||||
|
self.log_output()
|
||||||
|
|
||||||
|
|
||||||
|
class Enumeration(tl.Task):
|
||||||
|
def __init__(self, aig_model: tl.Task):
|
||||||
|
self.aig_model = aig_model
|
||||||
|
super().__init__()
|
||||||
|
|
||||||
|
async def on_run(self) -> None:
|
||||||
|
smtbmc = Smtbmc(App.work_dir / "model" / "design_smt2.smt2")
|
||||||
|
|
||||||
|
await smtbmc.ping()
|
||||||
|
|
||||||
|
pred = None
|
||||||
|
|
||||||
|
i = 0
|
||||||
|
limit = App.depth
|
||||||
|
first_failure = None
|
||||||
|
|
||||||
|
while i <= limit:
|
||||||
|
tl.log(f"Checking assumptions in step {i}..")
|
||||||
|
presat_checked = await batch(
|
||||||
|
smtbmc.bmc_step(i, initial=i == 0, assertions=None, pred=pred),
|
||||||
|
smtbmc.check(),
|
||||||
|
)
|
||||||
|
if presat_checked != "sat":
|
||||||
|
if first_failure is None:
|
||||||
|
tl.log_error("Assumptions are not satisfiable")
|
||||||
|
else:
|
||||||
|
tl.log("No further counter-examples are reachable")
|
||||||
|
return
|
||||||
|
|
||||||
|
tl.log(f"Checking assertions in step {i}..")
|
||||||
|
checked = await batch(
|
||||||
|
smtbmc.push(),
|
||||||
|
smtbmc.assertions(i, False),
|
||||||
|
smtbmc.check(),
|
||||||
|
)
|
||||||
|
pred = i
|
||||||
|
if checked != "unsat":
|
||||||
|
if first_failure is None:
|
||||||
|
first_failure = i
|
||||||
|
limit = i + App.enum_depth
|
||||||
|
tl.log("BMC failed! Enumerating counter-examples..")
|
||||||
|
counter = 0
|
||||||
|
|
||||||
|
assert checked == "sat"
|
||||||
|
path = App.trace_dir_full / f"trace{i}_{counter}.yw"
|
||||||
|
|
||||||
|
while checked == "sat":
|
||||||
|
await smtbmc.incremental_command(
|
||||||
|
cmd="write_yw_trace", path=str(path)
|
||||||
|
)
|
||||||
|
tl.log(f"Written counter-example to {path.name}")
|
||||||
|
|
||||||
|
minimize = MinimizeTrace(path.name, self.aig_model)
|
||||||
|
minimize.depends_on(self.aig_model)
|
||||||
|
|
||||||
|
await minimize.aiw2yw.finished
|
||||||
|
|
||||||
|
min_path = App.trace_dir_min / f"trace{i}_{counter}.yw"
|
||||||
|
|
||||||
|
checked = await batch(
|
||||||
|
smtbmc.incremental_command(
|
||||||
|
cmd="read_yw_trace",
|
||||||
|
name="last",
|
||||||
|
path=str(min_path),
|
||||||
|
skip_x=True,
|
||||||
|
),
|
||||||
|
smtbmc.assert_(
|
||||||
|
["not", ["and", *(["yw", "last", k] for k in range(i + 1))]]
|
||||||
|
),
|
||||||
|
smtbmc.check(),
|
||||||
|
)
|
||||||
|
|
||||||
|
counter += 1
|
||||||
|
path = App.trace_dir_full / f"trace{i}_{counter}.yw"
|
||||||
|
|
||||||
|
await batch(smtbmc.pop(), smtbmc.assertions(i))
|
||||||
|
|
||||||
|
i += 1
|
||||||
|
|
||||||
|
smtbmc.close_stdin()
|
||||||
|
|
||||||
|
|
||||||
|
class Smtbmc(tl.process.Process):
|
||||||
|
def __init__(self, smt2_model: Path):
|
||||||
|
self[tl.LogContext].scope = "smtbmc"
|
||||||
|
super().__init__(
|
||||||
|
[
|
||||||
|
"yosys-smtbmc",
|
||||||
|
"--incremental",
|
||||||
|
*App.smtbmc_options,
|
||||||
|
str(smt2_model),
|
||||||
|
],
|
||||||
|
interact=True,
|
||||||
|
)
|
||||||
|
self.name = "smtbmc"
|
||||||
|
|
||||||
|
self.expected_results = []
|
||||||
|
|
||||||
|
async def on_run(self) -> None:
|
||||||
|
def output_handler(event: tl.process.StderrEvent):
|
||||||
|
result = json.loads(event.output)
|
||||||
|
tl.log_debug(f"smtbmc > {result!r}")
|
||||||
|
if "err" in result:
|
||||||
|
exception = tl.logging.LoggedError(
|
||||||
|
tl.log_error(result["err"], raise_error=False)
|
||||||
|
)
|
||||||
|
self.expected_results.pop(0).set_exception(exception)
|
||||||
|
if "msg" in result:
|
||||||
|
tl.log(result["msg"])
|
||||||
|
if "ok" in result:
|
||||||
|
assert self.expected_results
|
||||||
|
self.expected_results.pop(0).set_result(result["ok"])
|
||||||
|
|
||||||
|
self.sync_handle_events(tl.process.StdoutEvent, output_handler)
|
||||||
|
|
||||||
|
return await super().on_run()
|
||||||
|
|
||||||
|
def ping(self) -> Awaitable[None]:
|
||||||
|
return self.incremental_command(cmd="ping")
|
||||||
|
|
||||||
|
def incremental_command(self, **command: dict[Any]) -> Awaitable[Any]:
|
||||||
|
tl.log_debug(f"smtbmc < {command!r}")
|
||||||
|
self.write(json.dumps(command))
|
||||||
|
self.write("\n")
|
||||||
|
result = asyncio.Future()
|
||||||
|
self.expected_results.append(result)
|
||||||
|
|
||||||
|
return result
|
||||||
|
|
||||||
|
def new_step(self, step: int) -> Awaitable[None]:
|
||||||
|
return self.incremental_command(cmd="new_step", step=step)
|
||||||
|
|
||||||
|
def push(self) -> Awaitable[None]:
|
||||||
|
return self.incremental_command(cmd="push")
|
||||||
|
|
||||||
|
def pop(self) -> Awaitable[None]:
|
||||||
|
return self.incremental_command(cmd="pop")
|
||||||
|
|
||||||
|
def check(self) -> Awaitable[str]:
|
||||||
|
return self.incremental_command(cmd="check")
|
||||||
|
|
||||||
|
def assert_antecedent(self, expr: Any) -> Awaitable[None]:
|
||||||
|
return self.incremental_command(cmd="assert_antecedent", expr=expr)
|
||||||
|
|
||||||
|
def assert_consequent(self, expr: Any) -> Awaitable[None]:
|
||||||
|
return self.incremental_command(cmd="assert_consequent", expr=expr)
|
||||||
|
|
||||||
|
def assert_(self, expr: Any) -> Awaitable[None]:
|
||||||
|
return self.incremental_command(cmd="assert", expr=expr)
|
||||||
|
|
||||||
|
def hierarchy(self, step: int) -> Awaitable[None]:
|
||||||
|
return self.assert_antecedent(["mod_h", ["step", step]])
|
||||||
|
|
||||||
|
def assumptions(self, step: int, valid: bool = True) -> Awaitable[None]:
|
||||||
|
expr = ["mod_u", ["step", step]]
|
||||||
|
if not valid:
|
||||||
|
expr = ["not", expr]
|
||||||
|
return self.assert_consequent(expr)
|
||||||
|
|
||||||
|
def assertions(self, step: int, valid: bool = True) -> Awaitable[None]:
|
||||||
|
expr = ["mod_a", ["step", step]]
|
||||||
|
if not valid:
|
||||||
|
expr = ["not", expr]
|
||||||
|
return self.assert_(expr)
|
||||||
|
|
||||||
|
def initial(self, step: int, initial: bool) -> Awaitable[None]:
|
||||||
|
if initial:
|
||||||
|
return batch(
|
||||||
|
self.assert_antecedent(["mod_i", ["step", step]]),
|
||||||
|
self.assert_antecedent(["mod_is", ["step", step]]),
|
||||||
|
)
|
||||||
|
else:
|
||||||
|
return self.assert_antecedent(["not", ["mod_is", ["step", step]]])
|
||||||
|
|
||||||
|
def transition(self, pred: int, succ: int) -> Awaitable[None]:
|
||||||
|
return self.assert_antecedent(["mod_t", ["step", pred], ["step", succ]])
|
||||||
|
|
||||||
|
def bmc_step(
|
||||||
|
self,
|
||||||
|
step: int,
|
||||||
|
initial: bool = False,
|
||||||
|
assertions: bool | None = True,
|
||||||
|
pred: int | None = None,
|
||||||
|
) -> Awaitable[None]:
|
||||||
|
futures = []
|
||||||
|
futures.append(self.new_step(step))
|
||||||
|
futures.append(self.hierarchy(step))
|
||||||
|
futures.append(self.assumptions(step))
|
||||||
|
futures.append(self.initial(step, initial))
|
||||||
|
|
||||||
|
if pred is not None:
|
||||||
|
futures.append(self.transition(pred, step))
|
||||||
|
|
||||||
|
if assertions is not None:
|
||||||
|
futures.append(self.assertions(assertions))
|
||||||
|
|
||||||
|
return batch(*futures)
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
main()
|
||||||
0
tools/cexenum/examples/.gitignore
vendored
Normal file
0
tools/cexenum/examples/.gitignore
vendored
Normal file
49
tools/cexenum/examples/factor.sby
Normal file
49
tools/cexenum/examples/factor.sby
Normal file
|
|
@ -0,0 +1,49 @@
|
||||||
|
# Run using:
|
||||||
|
#
|
||||||
|
# sby -f factor.sby
|
||||||
|
# tabbypy3 cexenum.py factor --enum-depth=0
|
||||||
|
#
|
||||||
|
[options]
|
||||||
|
mode bmc
|
||||||
|
make_model prep,smt2
|
||||||
|
expect unknown
|
||||||
|
|
||||||
|
[engines]
|
||||||
|
none
|
||||||
|
|
||||||
|
[script]
|
||||||
|
read_verilog -sv top.sv
|
||||||
|
prep -top top
|
||||||
|
|
||||||
|
[file top.sv]
|
||||||
|
module top(input clk, input b_bit, output [15:0] acc);
|
||||||
|
reg [7:0] a;
|
||||||
|
reg [7:0] b_mask = 8'hff;
|
||||||
|
|
||||||
|
|
||||||
|
reg [15:0] a_shift = 0;
|
||||||
|
reg [15:0] acc = 0;
|
||||||
|
|
||||||
|
|
||||||
|
always @(posedge clk) begin
|
||||||
|
assume (!clk);
|
||||||
|
if ($initstate) begin
|
||||||
|
a_shift <= a;
|
||||||
|
acc <= 0;
|
||||||
|
end else begin
|
||||||
|
|
||||||
|
if (b_bit) begin
|
||||||
|
acc <= acc + a_shift;
|
||||||
|
end
|
||||||
|
a_shift <= a_shift << 1;
|
||||||
|
b_mask <= b_mask >> 1;
|
||||||
|
end
|
||||||
|
|
||||||
|
if (b_mask == 0) begin
|
||||||
|
a <= 0;
|
||||||
|
assert (acc != 100);
|
||||||
|
end;
|
||||||
|
|
||||||
|
end
|
||||||
|
|
||||||
|
endmodule
|
||||||
Loading…
Reference in a new issue