The PRISM Language /

Model Type

The PRISM language can be used to describe three types of probabilistic models: discrete-time Markov chains (DTMCs), continuous-time Markov chains (CTMCs) and Markov decision processes (MDPs). To indicate which type is being described, a PRISM model includes one of the keywords dtmc, ctmc or mdp. This is typically at the very start of the file (as in Example 1), but can actually occur anywhere in the file (except inside modules and other declarations). The keywords probabilistic, stochastic and nondeterministic can be used as alternatives for dtmc, dtmc and mdp, respectively. If no such model type declaration is included, the model is by default assumed to be an MDP.

PRISM Manual

The PRISM Language

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