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collectModelInfo with fullModel argument, most theory-specific implementation out of the model class, model printer relegated to printer classes. Also updates to finite mode finding, modifications to datatypes making them compatible with theory combination, support for theory-specific handling of user attributes, refactoring of uf models
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documentation, etc.).
* Remove sat_module.cpp, which was no longer used (was previously refactored?)
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numerous bugfixes, and the cvc3 system test is enabled.
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problem so they're no longer failing (in the quantifiers rewriter). Resolves bug #381.
* Added LAMBDA kind and type rule, and Node::isClosure().
(this commit was certified error- and warning-free by the test-and-commit script.)
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* add support for mkBoundVar() (BOUND_VAR_LISTs in quantifiers must be bound vars)
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this fixes at least one known bug where quantifiers could be asserted in quantifier-free logics, with incorrect results.
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active theories; resolves bug 380
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Here's a fun way to give yourself a week-long headache: try to figure out how
to write efficient code to normalize array constants.
It's mostly there now - just need to figure out how to use type enumerators and
update once the new cardinality stuff is in place.
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Rewriterules used ppAssert to obtain early the rewriterules in order
to use them in ppRewrite. But all the simplifications (ex. f x = b :
[f x/b]) are not done at that point. Since --simplification=batch
remove the equality (unlike =incremental), for
reachability_bbttf_eT_arrays.smt2 the answer was sat instead of
unsat (thx Andy).
Partial fix: don't take the rewriterules during ppAssert. That changes
nothing since early rewrite was already disabled. But the complete
fix (when early rewrite will be enabled again) will need to take the
rewriterules more than once.
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duplicate of TheoryEngine::theoryOf(TheoryId)
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2. Initial implementation of computeIsConst for arrays - still needs
additional checks based on cardinality
3. Finally fixed pre-competition bug in array rewriter
4. Still to come: array rewrites for constants and STORE_ALL
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no explicit setLogic(). This is important for the CVC language, where the parser doesn't ensure that setLogic() is called, and for API uses. setLogicInternal() should be called in order to properly set up heuristics, even if the logic is just ALL_SUPPORTED.
This means that the CVC language can now take advantage of statistics.
Also added the ability to set the logic from CVC presentation language via (e.g.)
OPTION "logic" "QF_UFLIA";
Disabled the justification decision heuristic for ALL_SUPPORTED, as it interferes with incrementality. Kshitij may have a fix (I warned him about this commit).
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* arrays now uses the new approach by using a CDQueue<>
* uf strong solver has had the feature disabled, pending a merge from Andy
* theory kinds files now have a getNextDecisionRequest property (if you want to take part in such decision requests you have to list that property)
* the staticLearning property has been renamed ppStaticLearn to match the function name
* theory kinds files are now checked again for correctly-declared properties (this had been disabled)
* minor documentation and other fixups
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quite basic. This may need to be revisited.
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returns the corresponding rational value.
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internal EqualityEngine pointer.
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* rename DeclarationScope to SymbolTable
* rename all HashStrategy -> HashFunction (which we often have anyways)
* remove CDCircList (no one is currently using it)
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isConst() and isVar() as appropriate)
also some base infrastructure for the new ::isConst().
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after exhaustively enumerating finite types), also fix a standards-related FIXME in SmtEngine by clarifying the text of an error message
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src/theory/quantifiers and src/theory/rewriterules. This unclutters the src/theory directory somewhat.
The namespaces weren't changed, only the file locations.
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1. changes the way options are declared (see http://church.cims.nyu.edu/wiki/Options)
2. moves module-specific options enumerations (SimplificationMode, DecisionMode, ArithUnateLemmaMode, etc.) to their own header files, also they are no longer inside the Options:: class namespace.
3. includes many SMT-LIBv2 compliance fixes, especially to (set-option..) and (get-option..)
The biggest syntactical changes (outside of adding new options) you'll notice are in accessing and setting options:
* to access an option, write (e.g.) options::unconstrainedSimp() instead of Options::current()->unconstrainedSimp.
* to determine if an option value was set by the user, check (e.g.) options::unconstrainedSimp.wasSetByUser().
* ensure that you have the option available (you have to #include the right module's options.h file, e.g. #include "theory/uf/options.h" for UF options)
*** this point is important. If you access an option and it tells you the option doesn't exist, you aren't #including the appropriate options.h header file ***
Note that if you want an option to be directly set (i.e., other than via command-line parsing or SmtEngine::setOption()), you need to mark the option :read-write in its options file (otherwise it's read-only), and you then write (e.g.) options::unconstrainedSimp.set(true).
Adding new options is incredibly simple for primitive types (int, unsigned, bool, string, double). For option settings that you need to turn into a member of an enumerated type, you write a custom "handler" for the option---this is no additional work than it was before, and there are many examples to copy from (a good one is stringToSimplificationMode() in src/smt/options_handlers.h).
Benefits of the new options system include:
1. changes to options declarations don't require a full-source rebuild (you only have to rebuild those sources that depend on the set of options that changed).
2. lots of sanity checks (that the same option isn't declared twice, that option values are in range for their type, that all options are documented properly, etc.)
3. consistency: Boolean-valued option --foo gets a --no-foo automatically, documentation is generated consistently, the option-parsing matches the documented option name, etc.
4. setting options programmatically via SmtEngine::setOption() is enabled, and behaves the same as command-line equivalents (including checking the value is in range, etc.)
5. the notion of options being "set by the user" is now primitive; you can use (e.g.) options::unconstrainedSimp.wasSetByUser() instead of having to use (and maintain) a separate Boolean option for the purpose
I've taken lots of care not to break anything. Hopefully, I've succeeded in that.
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* change some uses of "std::cout" to "Message()"
* change some files to use Unix newlines instead of DOS newlines
* fix compiler warning
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model.h/cpp to prepare for release, and major refactoring of quantifiers/finite model finding. Note that new datatype theory does not insist upon any interpretation for selectors applied to incorrect constructors and consequently some answers may differ with previous version
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- new syntax for rewrite rules
- better rewrite rules theory
- remove the rewriting with rewrite rules during ppRewrite temporarily
- theory can define their own candidate generator
- define a general candidate generator (inefficient ask to every theory)
- split inst_match between the pattern matching used for quantifiers (inst_match.*) and
the one used for rewrite rules (rr_inst_match.*):
- the pattern matching is less exhaustive for quantifiers,
- the one for rewrite rules can use efficient-e-matching.
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got it in quickly for Andy.
A "fair" version forthcoming.
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strong solver; fixed
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support yet for enumerating arrays, or for enumerating non-trivial datatypes.
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(extended) SMT command get-model. added collectModelInfo and removed getValue from theory interface. merge also includes major updates to finite model finding module (from CASC), added fmf options, some updates to strong solver and quantifiers engine interface. The test recursion_breaker_black currently fails for me on production builds, Morgan is planning to look into this.
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