Frama-C vs K Framework

Frama-C

5.6 #9 in Formal Verification Tools

About Frama-C

K Framework

5.1 #17 in Formal Verification Tools

About K Framework
Frama-CK Framework
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
PlatformsLinux, macOS, WindowsLinux, macOS
Free planYesYes
Verification methodhybridhybrid
Supported formalismscontractstheorem-proving
CounterexamplesYes—
Input languagesC, ACSLK specification language; C; WebAssembly; EVM; Plutus-Core; Michelson; TEAL
Deploymentself-hostedself-hosted

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