Age | Commit message (Collapse) | Author |
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Solver::checkValidAssuming. (#3197)
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This commit adds a check to make sure that the result of a `(check-sat)`
call matches the expected result set via `(set-info :status ...)`. In
doing so, it also fixes an issue where CVC4 would crash if asked for the
unsat core after setting the status to `unsat` but before calling
`(check-sat)` (see regression for concrete example). This happened
because CVC4 was storing the expected result and the computed result
both in the same variable (the expected result wasn't really being used
though). This commit keeps track of the expected result and the computed
result in separate variables to fix that issue.
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Fixes 2887.
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When dumping a `get-unsat-assumptions` command, CVC4 was instead dumping
two `get-unsat-cores` commands. This commit splits
`SmtEngine::getUnsatCores()` into a part that does the dumping and an
internal part that actually gets the unsat core without dumping.
`SmtEngine::getUnsatAssumptions()` now calls the internal version to
avoid the redundant dumping of a `get-unsat-cores` command and changes
the command that gets dumped in `SmtEngine::getUnsatAssumptions()`.
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C++11 supports explicitly deleting functions that should not be used
(explictly or implictly), e.g. copy or assignment constructors. We were
previously using the CVC4_UNDEFINED macro that used a compiler-specific
attribute. The C++11 feature should be more portable.
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- Introduces a system that validating that, when not using THEORY_SEP, that it is not possible to
obtain the separation logic heap/nil (validate_exception())
- Introduces a system test demonstrating how to use the separation logic theory, and then how
to use the "getters" to obtain and interrogate the heap/nil expressions (validate_getters())
- Refactors the original getters to avoid duplicate code
- Add a check as part of the getters to ensure that THEORY_SEP is in use
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logic (#2194)
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This adds support for check-sat-assuming. It further adds support for SmtEngine::query() over a
vector of Expressions, e.g., smtEngine->query({a, b}); checks the validity (of the current input
formula) under assumption (not (or a b)).
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into better documentation. (#1512)
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This commit adds new infrastructure for preprocessing passes. It is preparation only, it does not change how the current preprocessing passes work (this will be done in future commits).
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* Allow FORALL passed as an argument to get-qe.
* Document
* Format
* Minor
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* Move unsat core names to SmtEnginePrivate. Adds a SetExpressionNameCommand to do this. Removes the names field from GetUnsatCoreCommand.
* Comment
* Pass expression names by reference.
* Update throw specifiers.
* Minor
* Switch expression names to CDMap, simplify interface for printing unsat core names.
* Revert throw specifier change.
* Minor simplifcations
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CVC4::Exception. (#1085)
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Removing it as well.
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As reported in bug 769, the signal handlers currently use unsafe
functions such as dynamic memory allocations and fprintf. This commit
fixes the issue by introducing functions for printing statistics in
signal handlers (functions with the `safe` prefix). It also avoids
copying statistics, which further avoids dynamic memory allocation. The
safe printing of statistics has some limitations (it does not support
SExprStats or printing CVC4::Result), which should not matter much in
practice. Printing statistics in a non-signal handler is not affected by
these changes as that uses a separate code path (the functions without
the `safe` prefix).
Additional changes:
- Remove ListStat as it is not used anywhere
- Add unit test for safe printing statistics
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Commit f4ef7af0a2295691f281ee1604dfeb4082fe229c removed the definition
of getStatisticsRegistry(SmtEngine*) but not the declaration.
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Addresses coverity issues:
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- Options
-- Added the new option attribute :notify. One can get a notify() call on the Listener after a the option's value is updated. This is the new preferred way to achieve dynamic dispatch for options.
-- Removed SmtOptionsHandler and pushed its functionality into OptionsHandler and Listeners.
-- Added functions to Options for registering listeners of the notify calls.
-- Changed a number of options to use the new listener infrastructure.
-- Fixed a number of warnings in options.
-- Added the ArgumentExtender class to better capture how arguments are inserted while parsing options and ease memory management. Previously this was the "preemptGetopt" procedure.
-- Moved options/options_handler_interface.{cpp,h} to options/options_handler.{cpp,h}.
- Theories
-- Reimplemented alternative theories to use a datastructure stored on TheoryEngine instead of on Options.
- Ostream Handling:
-- Added new functionality that generalized how ostreams are opened, options/open_stream.h.
-- Simplified the memory management for different ostreams, smt/managed_ostreams.h.
-- Had the SmtEnginePrivate manage the memory for the ostreams set by options.
-- Simplified how the setting of ostreams are updated, smt/update_ostream.h.
- Configuration and Tags:
-- Configuration can now be used during predicates and handlers for options.
-- Moved configuration.{cpp,h,i} and configuration_private.h from util/ into base/.
-- Moved {Debug,Trace}_tags.* from being generated in options/ into base/.
- cvc4_private.h
-- Upgraded #warning's in cvc4_private.h and cvc4_private_library.h to #error's.
-- Added public first-order (non-templatized) member functions for options get and set the value of options outside of libcvc4. Fixed all of the use locations.
-- Made lib/lib/clock_gettime.h a cvc4_private_library.h header.
- Antlr
-- Fixed antlr and cvc4 macro definition conflicts that caused warnings.
- SmtGlobals
-- Refactored replayStream and replayLog out of SmtGlobals.
-- Renamed SmtGlobals to LemmaChannels and moved the implementation into smt_util/lemma_channels.{h,cpp}.
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- The functionality the get the StatisticsRegistry attached to the SmtEngine was previously through StatisticsRegistry::current(). This is the dominant StatisticsRegistry in the code. (There is another StatisticsRegistry attached to the NodeManager.) Having this be a static function on StatisticsRegistry requires the use of an SmtEngine in the wrong compilation unit.
- Usages of StatisticsRegistry::current() that were visible in prop/{bvminisat,minisat} has been removed. A pointer to the relevant StatisticsRegistry should be passed instead into the constructor.
- The function StatisticsRegistry::current() has been replaced by SmtScope::currentStatisticsRegistry(). SmtScope is in the libcvc4 package, where SmtEngine is available in the compilation unit.
- The function smtStatisticsRegistry() is a synonym for SmtScope::currentStatisticsRegistry() in smt/smt_statistics_registry.h. This header has fewer include dependencies than the one for SmtScope.
- Correspondingly, the static functions StatisticsRegistry::{registerStat, unregisterStat} have been removed. One should instead use smtStatisticsRegistry()->{registerStat,unregisterStat} instead.
- The KEEP_STATISTIC macro has been moved into smt/smt_statistics_registry.h.
- Documents the reason StatisticsRegistry is CVC4_PUBLIC. This lets me remove the warning I added.
- Removing most operators for timespec from statistics_registry.h file. These a bit error prone in clang.
- Most of the really confusing ifdef's in util/statistics_registry.h are gone.
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