Apalache vs HOL4

Apalache

5.6 #32 in Formal Verification Tools

About Apalache

HOL4

7.3 #6 in Formal Verification Tools

About HOL4
ApalacheHOL4
Free planYes
Free trialNo
Paid fromFree
PlatformsLinux, macOS, self-hosted, Windows
Verification methodsymbolic
Supported formalismsinvariantstheorem-proving
CounterexamplesYesYes
Input languagesTLA+, QuintHOL higher-order logic; Standard ML
Deploymentself-hostedself-hosted
Free planYes
Proof artifactsYes

Listed together in Best Formal Verification Tools