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PRISM Manual | ThePRISMLanguage / PRISMModelFiles
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<p><a class='wikilink' href='Main.html'>The PRISM Language</a> /
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</p><h1>PRISM Model Files</h1>
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<p>Files containing model descriptions written in the PRISM language
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can contain any amount of white space (spaces, tabs, new lines, etc.),
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all of which is ignored when the file is parsed by the tool.
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Comments can also be used included in files in the style of the C programming language,
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by preceding them with the characters <code>//</code>.
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This is illustrated by the PRISM language examples from earlier in this section.
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</p>
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<p class='vspace'>By convention, the file extensions used for PRISM model files vary according to the model type:
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</p>
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<div class='vspace'></div><ul><li><code>.nm</code> (for MDPs or PTAs)
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</li><li><code>.pm</code> (for DTMCs)
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</li><li><code>.sm</code> (for CTMCs)
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</li></ul><p class='vspace'>but, since new models are added over time, we now recommend that you use:
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</p>
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<div class='vspace'></div><ul><li><code>.prism</code> (for any model type)
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</li></ul><div class='vspace'></div>
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<h3><a class='wikilink' href='../Main/Main.html'>PRISM Manual</a></h3>
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<p><strong><a class='wikilink' href='Main.html'>The PRISM Language</a></strong>
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</p><ul><li><a class='wikilink' href='Main.html'>Introduction</a>
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</li><li><a class='wikilink' href='Example1.html'>Example 1</a>
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</li><li><a class='wikilink' href='ModelType.html'>Model Type</a>
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</li><li><a class='wikilink' href='ModulesAndVariables.html'>Modules And Variables</a>
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</li><li><a class='wikilink' href='Commands.html'>Commands</a>
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</li><li><a class='wikilink' href='ParallelComposition.html'>Parallel Composition</a>
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</li><li><a class='wikilink' href='LocalNondeterminism.html'>Local Nondeterminism</a>
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</li><li><a class='wikilink' href='CTMCs.html'>CTMCs</a>
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</li><li><a class='wikilink' href='Example2.html'>Example 2</a>
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</li><li><a class='wikilink' href='Constants.html'>Constants</a>
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</li><li><a class='wikilink' href='Expressions.html'>Expressions</a>
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</li><li><a class='wikilink' href='Synchronisation.html'>Synchronisation</a>
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</li><li><a class='wikilink' href='ModuleRenaming.html'>Module Renaming</a>
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</li><li><a class='wikilink' href='MultipleInitialStates.html'>Multiple Initial States</a>
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</li><li><a class='wikilink' href='GlobalVariables.html'>Global Variables</a>
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</li><li><a class='wikilink' href='FormulasAndLabels.html'>Formulas And Labels</a>
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</li><li><a class='wikilink' href='PTAs.html'>PTAs</a>
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</li><li><a class='wikilink' href='CostsAndRewards.html'>Costs And Rewards</a>
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</li><li><a class='wikilink' href='ProcessAlgebraOperators.html'>Process Algebra Operators</a>
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</li><li><a class='selflink' href='PRISMModelFiles.html'>PRISM Model Files</a>
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</li></ul><p>[ <a class='wikilink' href='AllOnOnePage.html'>View all</a> ]
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