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About

The repo is used to generate string constraints based on the regexes from the papers and the internet.

regex_source

benchmark-cnt-set-automata

The regexes coming from the OOPSLA'20 paper "Regex Matching with Counting-Set Automata".

benchmark-ca-main

The regexes coming from the USENIX Security'22 paper "Counting in Regexes Considered Harmful: Exposing ReDoS Vulnerability of Nonbacktracking Matchers".

VTLeeLab-LinguaFranca-FSE19-7a763c4

The regexes coming from the FSE'19 paper "Why Aren’t Regular Expressions a Lingua Franca? An Empirical Study on the Re-use and Portability of Regular Expressions". Its extracted regexes are stored in extracted.

scripts

python

The python scripts used to generate string constraints.

  • benchmarks_selected_to_smt2.py : The script to translate the regexes from regex_source/benchmarks-ca-main/Benchmarks-selected.
  • VTEELAb_FSE19_regex_extractor.py : The script to extract the regexes from the regex_source/VTLeeLab-LinguaFranca-FSE19-7a763c4 dataset.
  • runner.py : The multiple threads runner interface.
  • utils.py : The utility functions.

bash

The bash scripts used to generate string constraints.

  • stringfuzz_gen_counting_bench.sh : The script to generate string constraints with counting operator by stringfuzz.

reg2script

The tool to translate regexes to string constraints in smtlib2 format.

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