CBMC vs TLA+

CBMC

6.5 #7 in Formal Verification Tools

About CBMC

TLA+

5.3 #28 in Formal Verification Tools

About TLA+
CBMCTLA+
Free planYesYes
Free trialNoNo
Paid fromFreeFree
Open sourceNoNo
PlatformsLinux, macOS, self-hosted, Windowsextension, Linux, macOS, Windows
Free planYes—
Verification methodmodel-checkinghybrid
Supported formalismscontractsinvariants
CounterexamplesYesYes
Input languagesC, C++, Java bytecode, SystemCTLA+ and PlusCal
Deploymentself-hostedboth

Both are listed in Best Formal Verification Tools. On Freedom251, CBMC scores higher on our published basis.