Side by side
Alloy Analyzer vs cvc5
Both stand on formal verification tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxMac+1
Alloy Analyzer combines constraint-based model exploration with graphical views and counterexample generation. Temporal model checking adds a separate installation requirement, so users should account for NuSMV or nuXmv when planning that workflow.
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Free plan APILinuxMac+3
cvc5 offers a solver, synthesis engine, and library interfaces for work across multiple theories. Review the license implications if using optional GPLv3 dependencies.
Visit cvc5The facts
| Alloy Analyzer | cvc5 | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Mac, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | alloytools.org | cvc5.github.io |
| On formal verification tools | #1 of 34 | #5 of 34 |
Alloy Analyzer: what it does well
- Free, self-contained executable includes examples and source.
- Finds structures and counterexamples to properties.
- Graphical results can be customized.
- JAR can be used as an API.
What to know first
- Temporal model checking requires NuSMV or nuXmv.
- Those temporal tools must be available in PATH.
- Modeling uses the Alloy language.
cvc5: what it does well
- Supports common standardized SMT theories.
- Provides proofs and unsatisfiable cores.
- Offers C++, C, Java, and Python APIs.
- Source releases and binaries cover three desktop systems.
What to know first
- Optional GPLv3 dependencies change the combined work's license.
- Command-line input languages listed are SMT-LIB v2 and SyGuS-IF.
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