CPAchecker vs Why3

CPAchecker

6.5 #9 in Formal Verification Tools

About CPAchecker

Why3

6.6 #6 in Formal Verification Tools

About Why3
CPAcheckerWhy3
Free planYesYes
Free trialNo
Paid fromFreeFree
PlatformsLinux, macOS, self-hosted, Windowsapi, Linux, self-hosted, Web, Windows
Verification methodhybriddeductive
Supported formalismsinvariantscontracts
CounterexamplesYesYes
Proof artifactsYes
Input languagesC, SV-LIBWhyML, micro-C, micro-Python, MLCFG, Coma
Deploymentself-hostedboth

Listed together in Best Formal Verification Tools