CBMC vs Why3
| CBMC | Why3 | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, self-hosted, Windows | Web, Linux, Windows |
| Free plan | Yes | — |
| Verification method | model-checking | deductive |
| Supported formalisms | contracts | contracts |
| Counterexamples | Yes | Yes |
| Input languages | C, C++, Java bytecode, SystemC | WhyML, micro-C, micro-Python, MLCFG, Coma |
| Deployment | self-hosted | both |
Both are listed in Best Formal Verification Tools. On Everything Xiaomi, CBMC scores higher on our published basis.