Benchmark

non-incremental/QF_SLIA/20230327-stringfuzz-lu/transformed/z3str2/regex-004-unsat-fuzz-reverse.smt2

Publications: Blotsky, D., Mora, F., Berzish, M., Zheng, Y., Kabir, I., & Ganesh, V. (2018). Stringfuzz: A fuzzer for string solvers. In CAV 2018.
Description: transformed by StringFuzz, a modular string and regex fuzzer, from an industrial benchmark
Benchmark
Size847
Compressed Size533
License Creative Commons Attribution 4.0 International (CC-BY-4.0)
Categoryrandom
First Occurrence2023-07-06
Generated ByDmitry Blotsky1, Federico Mora, Murphy Berzish, Yunhui Zheng, Ifaz Kabir, Vijay Ganesh, Zhengyang Lu
Generated On2018-01-24 00:00:00
GeneratorStringFuzz
Dolmen OK1
strict Dolmen OK1
check-sat calls1
Query 1
Status unknown
Inferred Status unsat
Size 838
Compressed Size529
Max. Term Depth4
Asserts 2
Declared Functions0
Declared Constants1
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

=1 str.to_re2 re.*1 re.+1
re.union1 str.in_re1

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2025 cvc5 cvc5 unsat ✅ 0.28684 0.16487
OSTRICH OSTRICH unsat ✅ 1.05356 1.52378
Z3alpha Z3-alpha unsat ✅ 0.38879 0.26678
Z3 Z3-alpha-base unsat ✅ 0.30113 0.18084
Z3-Noodler-base unsat ✅ 0.29617 0.16823
Z3-Noodler Z3-Noodler unsat ✅ 0.30897 0.17604
Z3-Noodler-Mocha-base unsat ✅ 0.34868 0.22368
Z3-Noodler-Mocha Z3-Noodler-Mocha unsat ✅ 0.29687 0.16839