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Published January 13, 2022 | Version 1.6.4
Software Open

moves-rwth/storm: v1.6.4

Creators

  • 1. @moves-rwth
  • 2. Radboud University
  • 3. University of Twente, previously @moves-rwth
  • 4. RWTH Aachen University
  • 5. Saarland University
  • 6. Ex TU Dresden, Germany
  • 7. Amazon Europe (@amzn)
  • 8. AI Lab, Vrije Universiteit Brussel
  • 9. INFORM, Institut für Operations Research und Management GmbH
  • 10. BetterBe

Description

  • Added support for model checking LTL properties in the sparse (and dd-to-sparse) engine. Requires building with Spot or an external LTL to deterministic automaton converter (using option --ltl2datool).
  • Added cmake options STORM_USE_SPOT_SYSTEM and STORM_USE_SPOT_SHIPPED to facilitate building Storm with Spot.
  • Improved parsing of formulas in PRISM-style syntax.
  • Added export of schedulers that use memory (in particular optimizing schedulers for LTL properties)
  • Added support for PRISM models that use unbounded integer variables.
  • Added support for nested arrays in JANI.
  • Added --location-elimination that can be applied to Jani DTMC models to reduce the size of the resulting Markov models, see here.
  • Added an export of check results to json. Use --exportresult in the command line interface.
  • Added --exportbuilt option that exports the built model in various formats. Deprecates --io:exportexplicit, --io:exportdd and --io:exportdot
  • Added export of built model in .json. which can be used to debug and explore the model.
  • Added computation of steady state probabilities for DTMC/CTMC in the sparse engine. Use --steadystate in the command line interface.
  • Added computation of the expected number of times each state in a DTMC/CTMC is visited (sparse engine). Use --expvisittimes in the command line interface.
  • Implemented parsing and model building of Stochastic multiplayer games (SMGs) in the PRISM language. No model checking implemented (yet).
  • API: Simulation of prism-models
  • API: Model-builder takes a callback function to prevent extension of particular actions, prism-to-explicit mapping can be exported
  • API: Export of dice-formatted expressions
  • Prism-language/explicit builder: Allow action names in commands writing to global variables if these (clearly) do not conflict with assignments of synchronizing commands.
  • Prism-language: n-ary predicates are supported (e.g., ExactlyOneOf)
  • Added support for continuous integration with Github Actions.
  • storm-pars: Exploit monotonicity for computing extremal values and parameter space partitioning.
  • storm-dft: Support for analysis of static fault trees via BDDs (Flag --bdd). In particular, efficient computation of multiple time bounds was added and support for several importance measures (Argument --importance).
  • storm-dft: Computation of minimal cut sets for static fault trees (Flag --mcs).
  • storm-dft: Improved modularisation for DFT by exploiting SFT analysis via BDDs.
  • storm-dft: Fixed don't care propagation for shared SPAREs which resulted in wrong results.
  • Developer: Added support for automatic code formatting and corresponding CI workflow.

Files

moves-rwth/storm-1.6.4.zip

Files (12.6 MB)

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Additional details

Related works

Is supplement to
https://github.com/moves-rwth/storm/tree/1.6.4 (URL)