Frama-C vs TLA+

Frama-C

5.6 #17 in Formal Verification Tools

About Frama-C

TLA+

5.3 #28 in Formal Verification Tools

About TLA+
Frama-CTLA+
Free planNoYes
Free trialNoNo
Paid from—Free
Open sourceNoNo
PlatformsLinux, macOS, Windowsextension, Linux, macOS, Windows
Free planYes—
Verification methodhybridhybrid
Supported formalismscontractsinvariants
CounterexamplesYesYes
Input languagesC, ACSLTLA+ and PlusCal
Deploymentself-hostedboth

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