HOL Light vs Ultimate Automizer
| HOL Light | Ultimate Automizer | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web, Windows, macOS, Linux | Web, Windows, Linux |
| Free plan | Yes | Yes |
| Verification method | deductive | model-checking |
| Supported formalisms | theorem-proving | — |
| Input languages | OCaml; higher-order logic | C, Boogie |
| Deployment | self-hosted | both |
Both are listed in Best Formal Verification Tools. On Freedom251, HOL Light scores higher on our published basis.