Dafny vs Ultimate Automizer

Dafny

5.1 #14 in Formal Verification Tools

About Dafny

Ultimate Automizer

5.0 #33 in Formal Verification Tools

About Ultimate Automizer
DafnyUltimate Automizer
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
PlatformsLinux, macOS, self-hosted, WindowsWeb, Windows, Linux
Free planYesYes
Verification methoddeductivemodel-checking
Supported formalismscontracts—
CounterexamplesYes—
Input languagesDafnyC, Boogie
Deploymentself-hostedboth

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