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Line endings in VERSIONS.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@2244 bbc10eb1-c90d-0410-af57-cb519fbb1720
master
Dave Parker 15 years ago
parent
commit
ac5759bd7c
  1. 621
      prism/VERSIONS.txt

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prism/VERSIONS.txt

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This file summarises the principal changes between each main public release of PRISM.
For more detailed information about the various changes, see the file CHANGELOG.txt.
-----------------------------------------------------------------------------
Version 3.3.1 (released 22/11/2009)
-----------------------------------------------------------------------------
* Minor bug fixes
-----------------------------------------------------------------------------
Version 3.3 (beta1 released 20/5/2009)
-----------------------------------------------------------------------------
* New language parser:
- improved efficiency, especially on large/complex models
- more accurate error reporting
* GUI model editor improvements:
- error highlighting
- line numbers
- undo/redo feature
* Expanded property specification language
- LTL (and PCTL*) now supported
- arbitrary expressions allowed, e.g. 1-P=?[...]
- support for weak until (W) and release (R) added
- steady-state operators (S=?[...], R=?[S]) allowed for DTMCs
- optional semicolons to terminate properties in properties files
* Modelling language changes:
- cleaner notation for functions, e.g. mod(i,n), not func(mod,i,n)
- function names can be renamed in module renaming
- language strictness: updates (x'=...) must be parenthesised
- ranges (x=1..3,5) no longer supported
- added conversion tool for old models (etc/scripts/prism3to4)
* New tool features:
- added symmetry reduction functionality
- steady-state/transient probability computation for DTMCs
- expanded cost/reward-property model checking support
- PRISM-to-html and PRISM-to-Latex conversion scripts
- efficiency improvements to precomputation algorithms
- BSCC export functionality (-exportbsccs switch)
- improvements to memory handling, especially in sparse/hybrid engines
-----------------------------------------------------------------------------
Version 3.2 (beta released 25/2/2008)
-----------------------------------------------------------------------------
* Support for 64-bit architectures and Mac OS X v10.5 (Leopard)
* Improvements to property specification language
- addition of F and G operators (eventually/globally)
- can now use labels/formulas from model file in properties files
* Redesign of the simulator GUI, plus new features:
- ability to display accumulated time/rewards
- new "Configure view" dialog
- easier selection of next step (double click)
* New graph plotting engine using JFreeChart
* Other GUI improvements:
- new icon set and graphics
- font increase/decrease feature
- loading of partially correct property files
* Further additional functionality:
- extra reward model checking algorithms for some engines
- prototype SBML-to-PRISM translator
- new -exportrows switch for matrix exports
- new options for -simpath switch
- new -extraddinfo switch for displaying extra (MT)BDD info
-----------------------------------------------------------------------------
Version 3.1.1 (released 5/4/2007)
-----------------------------------------------------------------------------
* Minor bug fixes
-----------------------------------------------------------------------------
Version 3.1 (released 15/11/2006)
-----------------------------------------------------------------------------
* New installer for Windows binary
* Models can now have multiple (named) reward structures
* New -simpath switch for command-line generation of random paths with simulator
* Minor PRISM language improvements:
- type keyword does not need to be first thing in model file
- doubles in exponential form (1.4e-9) and unary minus (-1) allowed
* PRISM settings file now used by command-line version too
* Small GUI improvements
* New option to disable steady-state detection for CTMC transient analysis
* Bug fixes
-----------------------------------------------------------------------------
Version 3.0 (released 6/7/2006)
-----------------------------------------------------------------------------
* Discrete-event simulation engine added, providing:
- generation of approximate quantitative results via sampling
- debugging tool: manual model exploration and automatic trace generation
* Support for costs and rewards:
- state-based and transition-based (impulse) costs/reward specification added to PRISM language
- verification (and simulation) of properties based on expected value of costs/rewards
(e.g. cumulated reward to reach state/time-bound, transient or steady-state reward value)
* Overhaul of import/export functionality, including:
- export of transition matrix graph (Dot file)
- export of state/transition rewards
- export of property file labels and their satisfying states
- improved support for other export formats: Matlab, MRMC
- possibility to export to stdout/log instead of a file
- import of explicit model descriptions (from transition matrix and, optionally, state list)
* GUI improvements, e.g.:
- additional graph plotting functionality
- XML-based import/export of graphs
- export of graphs to Matlab
* Improved options management including saving of user settings
* Support for Mac OS X
* Easier compilation process
* Direct computation of transient probabilities
* Support for multiple initial states
* Improvements/additions to PRISM modelling/property languages
* Additional error checking on PRISM models
* Underlying data structure and efficiency improvements
* Bug fixes
-----------------------------------------------------------------------------
Version 2.1 (released 8/9/2004)
-----------------------------------------------------------------------------
* Now possible to build/run PRISM on Windows
* Compilation/installation procedures slightly simplified
* Splash screen on load
-----------------------------------------------------------------------------
Version 2.0 (released 17/3/2004)
-----------------------------------------------------------------------------
* Completely new graphical user interface, including:
- Text editor for PRISM language
- Automated results collection/graph plotting
* Enhancements to PRISM language:
- Types (ints, doubles and booleans) and type checking added
- Probabilities/rates can now be expressions
- Variable ranges/initial values can now be expressions
- Constant/formula definitions can be expressions (including in terms of each other)
- Process algebra style definitions allowed for MDPs too (via "system" construct)
* Enhancements to property specifications:
- Probability/time bounds in PCTL/CSL properties can now be expressions
- Use of constants now permitted: both those from the model and newly declared ones
- Added "init" keyword to PCTL/CSL (atomic proposition true only in initial state)
- Can define and reuse "labels" (atomic propositions) (like formulas in model files)
- Can write properties of the form "P=?[...]" which return the actual probability
* Additional features:
- Automatic handling of multiple model checking computations,
e.g. check "P~p[true U<=k error]" for k=1..100
- Added -exportstates switch, exports reachable states to text file
- Added -nobscc switch for optional bypass of BSCC computation
- Added explicit versions of export options (including first export option for MDPs)
- Export options can now be used in conjunction with each other and with model checking
- Added -version switch to display version
* Efficiency improvements
- Improved heuristics for hybrid engine (sb/sbmax/gsl switches -> sbmax/sbl/gsmax/gsl)
- More efficient construction process for unstructured models
- General restructuring/improvements to model construction process implementation
* Miscellaneous
- Various bug fixes
- Fairness (for MDP model checking) now OFF by default (used to be ON)
-----------------------------------------------------------------------------
Version 1.3.1 (released 20/2/2003)
-----------------------------------------------------------------------------
* Bug fixes in model construction code
-----------------------------------------------------------------------------
Version 1.3 (released 10/2/2003)
-----------------------------------------------------------------------------
* Steady-state probability computation improved to include strongly connected component (SCC) computation
* Extended support for CSL time-bounded until operator to include arbitrary intervals
* More flexible parallel composition options in the PRISM language (for DTMCs and CTMCs)
* Added option to import PEPA process algebra descriptions as models
* Improved range of numerical methods: (Backwards) Gauss-Seidel and (Backwards) SOR (plus variants for hybrid engine)
* Added -pctl/-csl switches to allow command line specification of properties
* Improved handling of deadlock states: can add self-loops to these states automatically (e.g. -fixdl switch)
* Steady-state probabilities are no longer automatically computed for CTMCs: use the -ss switch
* Addition of {} operator to PCTL/CSL formulas to support printing of probabilities
* Resolved problem with PRISM language syntax: updates must now be parenthesised
* Default value for maximum number of iterations reduced from 500,000 to (more sensible) 10,000
* Added switches to control CUDD behaviour (-cuddmaxmem, -cuddepsilon)
* Additional example files
* Numerous bug fixlatest.htmles
* Now released under the GPL license
-----------------------------------------------------------------------------
Version 1.2 (released 17/9/2001)
-----------------------------------------------------------------------------
First public release
This file summarises the principal changes between each main public release of PRISM.
For more detailed information about the various changes, see the file CHANGELOG.txt.
-----------------------------------------------------------------------------
Version 3.3.1 (released 22/11/2009)
-----------------------------------------------------------------------------
* Minor bug fixes
-----------------------------------------------------------------------------
Version 3.3 (beta1 released 20/5/2009)
-----------------------------------------------------------------------------
* New language parser:
- improved efficiency, especially on large/complex models
- more accurate error reporting
* GUI model editor improvements:
- error highlighting
- line numbers
- undo/redo feature
* Expanded property specification language
- LTL (and PCTL*) now supported
- arbitrary expressions allowed, e.g. 1-P=?[...]
- support for weak until (W) and release (R) added
- steady-state operators (S=?[...], R=?[S]) allowed for DTMCs
- optional semicolons to terminate properties in properties files
* Modelling language changes:
- cleaner notation for functions, e.g. mod(i,n), not func(mod,i,n)
- function names can be renamed in module renaming
- language strictness: updates (x'=...) must be parenthesised
- ranges (x=1..3,5) no longer supported
- added conversion tool for old models (etc/scripts/prism3to4)
* New tool features:
- added symmetry reduction functionality
- steady-state/transient probability computation for DTMCs
- expanded cost/reward-property model checking support
- PRISM-to-html and PRISM-to-Latex conversion scripts
- efficiency improvements to precomputation algorithms
- BSCC export functionality (-exportbsccs switch)
- improvements to memory handling, especially in sparse/hybrid engines
-----------------------------------------------------------------------------
Version 3.2 (beta released 25/2/2008)
-----------------------------------------------------------------------------
* Support for 64-bit architectures and Mac OS X v10.5 (Leopard)
* Improvements to property specification language
- addition of F and G operators (eventually/globally)
- can now use labels/formulas from model file in properties files
* Redesign of the simulator GUI, plus new features:
- ability to display accumulated time/rewards
- new "Configure view" dialog
- easier selection of next step (double click)
* New graph plotting engine using JFreeChart
* Other GUI improvements:
- new icon set and graphics
- font increase/decrease feature
- loading of partially correct property files
* Further additional functionality:
- extra reward model checking algorithms for some engines
- prototype SBML-to-PRISM translator
- new -exportrows switch for matrix exports
- new options for -simpath switch
- new -extraddinfo switch for displaying extra (MT)BDD info
-----------------------------------------------------------------------------
Version 3.1.1 (released 5/4/2007)
-----------------------------------------------------------------------------
* Minor bug fixes
-----------------------------------------------------------------------------
Version 3.1 (released 15/11/2006)
-----------------------------------------------------------------------------
* New installer for Windows binary
* Models can now have multiple (named) reward structures
* New -simpath switch for command-line generation of random paths with simulator
* Minor PRISM language improvements:
- type keyword does not need to be first thing in model file
- doubles in exponential form (1.4e-9) and unary minus (-1) allowed
* PRISM settings file now used by command-line version too
* Small GUI improvements
* New option to disable steady-state detection for CTMC transient analysis
* Bug fixes
-----------------------------------------------------------------------------
Version 3.0 (released 6/7/2006)
-----------------------------------------------------------------------------
* Discrete-event simulation engine added, providing:
- generation of approximate quantitative results via sampling
- debugging tool: manual model exploration and automatic trace generation
* Support for costs and rewards:
- state-based and transition-based (impulse) costs/reward specification added to PRISM language
- verification (and simulation) of properties based on expected value of costs/rewards
(e.g. cumulated reward to reach state/time-bound, transient or steady-state reward value)
* Overhaul of import/export functionality, including:
- export of transition matrix graph (Dot file)
- export of state/transition rewards
- export of property file labels and their satisfying states
- improved support for other export formats: Matlab, MRMC
- possibility to export to stdout/log instead of a file
- import of explicit model descriptions (from transition matrix and, optionally, state list)
* GUI improvements, e.g.:
- additional graph plotting functionality
- XML-based import/export of graphs
- export of graphs to Matlab
* Improved options management including saving of user settings
* Support for Mac OS X
* Easier compilation process
* Direct computation of transient probabilities
* Support for multiple initial states
* Improvements/additions to PRISM modelling/property languages
* Additional error checking on PRISM models
* Underlying data structure and efficiency improvements
* Bug fixes
-----------------------------------------------------------------------------
Version 2.1 (released 8/9/2004)
-----------------------------------------------------------------------------
* Now possible to build/run PRISM on Windows
* Compilation/installation procedures slightly simplified
* Splash screen on load
-----------------------------------------------------------------------------
Version 2.0 (released 17/3/2004)
-----------------------------------------------------------------------------
* Completely new graphical user interface, including:
- Text editor for PRISM language
- Automated results collection/graph plotting
* Enhancements to PRISM language:
- Types (ints, doubles and booleans) and type checking added
- Probabilities/rates can now be expressions
- Variable ranges/initial values can now be expressions
- Constant/formula definitions can be expressions (including in terms of each other)
- Process algebra style definitions allowed for MDPs too (via "system" construct)
* Enhancements to property specifications:
- Probability/time bounds in PCTL/CSL properties can now be expressions
- Use of constants now permitted: both those from the model and newly declared ones
- Added "init" keyword to PCTL/CSL (atomic proposition true only in initial state)
- Can define and reuse "labels" (atomic propositions) (like formulas in model files)
- Can write properties of the form "P=?[...]" which return the actual probability
* Additional features:
- Automatic handling of multiple model checking computations,
e.g. check "P~p[true U<=k error]" for k=1..100
- Added -exportstates switch, exports reachable states to text file
- Added -nobscc switch for optional bypass of BSCC computation
- Added explicit versions of export options (including first export option for MDPs)
- Export options can now be used in conjunction with each other and with model checking
- Added -version switch to display version
* Efficiency improvements
- Improved heuristics for hybrid engine (sb/sbmax/gsl switches -> sbmax/sbl/gsmax/gsl)
- More efficient construction process for unstructured models
- General restructuring/improvements to model construction process implementation
* Miscellaneous
- Various bug fixes
- Fairness (for MDP model checking) now OFF by default (used to be ON)
-----------------------------------------------------------------------------
Version 1.3.1 (released 20/2/2003)
-----------------------------------------------------------------------------
* Bug fixes in model construction code
-----------------------------------------------------------------------------
Version 1.3 (released 10/2/2003)
-----------------------------------------------------------------------------
* Steady-state probability computation improved to include strongly connected component (SCC) computation
* Extended support for CSL time-bounded until operator to include arbitrary intervals
* More flexible parallel composition options in the PRISM language (for DTMCs and CTMCs)
* Added option to import PEPA process algebra descriptions as models
* Improved range of numerical methods: (Backwards) Gauss-Seidel and (Backwards) SOR (plus variants for hybrid engine)
* Added -pctl/-csl switches to allow command line specification of properties
* Improved handling of deadlock states: can add self-loops to these states automatically (e.g. -fixdl switch)
* Steady-state probabilities are no longer automatically computed for CTMCs: use the -ss switch
* Addition of {} operator to PCTL/CSL formulas to support printing of probabilities
* Resolved problem with PRISM language syntax: updates must now be parenthesised
* Default value for maximum number of iterations reduced from 500,000 to (more sensible) 10,000
* Added switches to control CUDD behaviour (-cuddmaxmem, -cuddepsilon)
* Additional example files
* Numerous bug fixlatest.htmles
* Now released under the GPL license
-----------------------------------------------------------------------------
Version 1.2 (released 17/9/2001)
-----------------------------------------------------------------------------
First public release
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