NuSMV vs TLA+

NuSMV

5.9 #20 in Formal Verification Tools

About NuSMV

TLA+

6.7 #12 in Formal Verification Tools

About TLA+
NuSMVTLA+
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
PlatformsWindows, macOS, LinuxWindows, macOS, Linux
Free planYes—
Verification methodhybridhybrid
Supported formalismstemporal-logicinvariants
CounterexamplesYesYes
Input languagesSMVTLA+ and PlusCal
Deploymentself-hostedboth

Both are listed in Best Formal Verification Tools. On Samsung Mobile US Press, TLA+ scores higher on our published basis.