CPAchecker vs Why3

CPAchecker

5.2 #11 in Formal Verification Tools

About CPAchecker

Why3

5.1 #28 in Formal Verification Tools

About Why3
CPAcheckerWhy3
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
PlatformsWindows, macOS, LinuxWeb, Linux, Windows
Verification methodhybriddeductive
Supported formalismsinvariantscontracts
CounterexamplesYesYes
Proof artifactsYes—
Input languagesC, SV-LIBWhyML, micro-C, micro-Python, MLCFG, Coma
Deploymentself-hostedboth

Both are listed in Best Formal Verification Tools. On Inferse, CPAchecker scores higher on our published basis.