CBMC vs OpenJML

CBMC

6.9 #9 in Formal Verification Tools

About CBMC

OpenJML

5.9 #26 in Formal Verification Tools

About OpenJML
CBMCOpenJML
Free planYesYes
Free trialNoNo
Paid fromFreeFree
Open sourceNoNo
PlatformsLinux, macOS, self-hosted, Windowsapi, extension, Linux, macOS, Windows
Free planYes—
Verification methodmodel-checkingdeductive
Supported formalismscontractscontracts
CounterexamplesYesYes
Input languagesC, C++, Java bytecode, SystemCJava and JML
Deploymentself-hostedself-hosted

Both are listed in Best Formal Verification Tools. On The Geeks Club, CBMC scores higher on our published basis.