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Fixes #7318. This changes how we link ANTLR3 to more closely resemble
what we do for, e.g., GMP. This fixes the issue on Amazon Linux 2
(tested using a Docker image) with CMake 3.13.3.
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Fixes #7274.
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This PR does a major refactoring on how we organize our builds to allow both shared and static builds. We now build the libraries using object libraries to allow building the libraries both dynamically and statically in the same build folder, though the static library is optional (ENABLE_STATIC_LIBRARY). The binary is linked either dynamically or statically (depending on ENABLE_STATIC_BINARY).
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constraint (#7268)
Since ~1 year ago, we insist that the location and data types of the separation logic heap are set upfront, analogous to the set-logic command. This means that the separation logic empty heap constraint does not need to be annotated with its types.
This makes SEP_EMP a nullary Boolean operator instead of binary predicate (taking dummy arguments whose types specify the heap type). It changes the smt2 extended syntax from (_ emp T1 T2) to sep.emp.
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This commit removes support for the extended `(check-sat <term>)` command which overlaps in functionality with the standard `(check-sat-assuming (<prop_literal>*))` command.
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This changes mkTuple -> tuple and tupSel -> tuple_select.
This is in line with the most recent syntax for tuples in preparation for the theory of tables in smt2.
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This commit removes the support for the CVC language and converts all *.cvc regression tests to SMT-LIBv2.
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This takes the essential changes from #7218 so that the current ANTLR issues are avoided.
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Adds smt2 parsing, printing and API support for get-difficulty. Adds unit tests.
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Adds support for global assumptions in sygus files.
Also guards against cases of declare-const, which should be prohibited in sygus.
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This PR refactors the driver to no longer directly access the Options object, but instead use Solver::getOption() or Solver::getOptionInfo().
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This PR adds kind BAG_MAP to bags.
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This PR moves the first chunk of code in the driver to use the proper options API for the language options. It is now handled as a string.
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This PR combines the two enums InputLanguage and OutputLanguage into a single Language type. It makes sure that AST is not used as input language using a predicate whenever the option is set.
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This removes support for creating bit-vectors from a string without a
size argument. We further also now require that the base argument is
always given (it has no default value).
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This makes INST_ATTRIBUTE (optionally) take multiple children, giving a way for the user to set attributes on quantified formulas, which does not require a new API command.
This is a special case of term annotations that occur as the body of a quantified formula.
If we need to extend our API to support further user-provided attributes, we should use a similar approach, e.g. a new kind ANNOTATE.
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This currently has no effect other than giving an unsupported warning.
In the future, set-feature will be implemented via the appropriate call to Solver::setOption if necessary.
Fixes #6182.
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The internal solver no longer cares about what assertions are named / are in the unsat core.
This simplifies the code so that the (now unused) `inUnsatCore` flag is removed from all interfaces.
This eliminates another external use of `getSmtEngine`.
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This name is the name of the symbol we parse. Internally, we still call
it POW2. This is a fix for the problem that `pow2` may clash (and
already does clash on SMT-LIB benchmarks) with user-defined symbols.
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This commit adds the remaining changes for a working and integrated `pow2` solver.
In particular, it adds a rewrite and a lemma that identify `pow2(x)` with `0` whenever `x<0`.
Regressions are added as well, including `pow2-native-0.smt2` that shows the semantics of `pow2` on negative values.
The next steps are new rewrites and and more lemma schemas.
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(#6790)
Fixes #6526
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This PR gets rid of almost all remaining public option wrappers. It does so by
- making base, main and parser options public such that they can directly be used from the driver and the parser
- moving incremental and the resource limiting options to base
- moving dumping options to main
After this PR, the only option wrapper left is becoming obsolete as well after (the follow-up of) #6697.
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This commit adds a new parser option, --hol, which marks that HOL is being used. This option has the effect of prepending the problem's logic with "HO_", which teels the solver that the logic is higher order. The parser builder, base parser, and SMT2 and TPTP parsers are all updated to work with this new setting, as is the logic info class.
For now this parser option is enabling the --uf-ho option for internal use, since for now higher-order solving relies it. In a future PR this dependency will be removed (since this information is already given to the SMT solver via the logic).
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This simplifies the smt2 parser so that automatically setting the logic is done directly instead of being buffered as a command.
This prevents spurious errors for features that require (A) checking the logic is set and (B) fully intialize the underlying SMT engine. `declare-pool` is an example of an smt2 command where the user will get an error (instead of a warning) when set-logic is not used due to setting the logic, after fully initing SMT engine and then executing the buffered set-logic command.
Note this should also make dump=raw-benchmark more accurate (no set-logic is included when dumping benchmarks with no set-logic command).
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This PR moves options wrapper functions out of the Options class. These wrapper functions are meant to be called by "external" code that should not access the options modules. This PR thereby significantly reduces the interface of the Options class.
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Fixes #6057. The reductions of `str.replace_re` and `str.replace_re_all`
were not correctly enforcing that the operations replace the _first_
occurrence of some regular expression in a string. This commit fixes the
issue by introducing a new operator `str.indexof_re(s, r, n)`, which,
analoguously to `str.indexof`, returns the index of the first match of
the regular expression `r` in `s`. The commit adds basic rewrites for
evaluating the operator as well as its reduction. Additionally, it
converts the reductions of `str.replace_re` and `str.replace_re_all` to
use that new operator. This simplifies the reductions of the two
operators and ensures that the semantics are consistent between the two.
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This is to make it consistent with the name of the SMT-LIB operator
(fp.add).
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This PR does some minor improvements to the API:
- remove getConstSequenceElements(), use getSequenceValue() instead
- improve documentation for Term
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This PR adds more getter functions for api::Term to retrieve values from constant terms (and terms that the average API use might consider constant).
It also introduces std::wstring as regular representation for string constants instead of std::vector<uint32> for the SMT-LIB parser and the String class.
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Currently, when a :named attribute is used in a binder, the parser
complains about an illegal argument. This is because an argument check
in the SymbolManager fails. This is not very user friendly. This
commit makes the error message clearer for the user:
Cannot name a term in a binder (e.g., quantifiers, definitions)
To do this, the commit changes the return type for
SymbolManager::setExpressionName to include more information that can
then be used by the parser to generate an appropriate error message.
The commit also changes define-fun to not push/pop the local scope
if it has zero arguments because it is semantically equivalent to a
define-const, which allows :named terms.
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This commit decouples the creation of a `Parser` instance from creating
an `Input` and setting the `Input` on the parser. This is a first step
in refactoring the parser infrastructure. A future PR will split the
parser class into three classes: `Parser`, `ParserState`, and
`InputParser`. The `Parser` and `InputParser` classes will be the
public-facing classes. The new `Parser` class will have methods to
create `InputParser`s from files, streams, and strings. `InputParser`s
will have methods to get commands/exprs from a given input. The
`ParserState` class will keep track of the state of the parser and will
be the internal interface for the parsers. The current `Parser` class is
used both publicly and internally, which is messy.
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When cvc5 was compiled in competition mode (but not for the application
track), then it had a special behavior when reading from stdin. When it
received input from stdin, it would read all of stdin and then parse the
input as a string because it assumed that the full input is directly
available on stdin. However, the non-application tracks of SMT-COMP do
not use stdin anymore. They pass a filename to the solver. This special
case is not used as a result. Usually, cvc5 parses from stdin using the
line buffer, so this commit makes it so that this is always the case,
which simplifies the code.
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This removes the special case of TUPLE_UPDATE and RECORD_UPDATE in favor of the more general datatype update.
Datatype update is handled analogously to APPLY_SELECTOR / APPLY_TESTER.
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This PR replaces all api::*HashFunction objects by specializations of std::hash. std::hash is meant to be extended in this way, and it allows for a much cleaner usage of std::unordered_set and std::unordered_map with these types.
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This commits changes the build system to cvc5 and removes the remaining
occurrences of CVC4. It further cleans up outdated/unused scripts in contrib/.
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This adds the command declare-pool to the public API. It also adds parsing support for this feature, lifts the internal kinds to public kinds, adds an example regression, and a unit test for the new declare-pool solver method.
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Finally, we no longer need to link against GMP and CLN for the parser and the tests.
To actually achieve this, this PR also removes some dead code and unused includes from some parser files.
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This renames everything but GitHub links and build system related
macros. Switching the build system to cvc5 will be the last step in the
renaming process.
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Fixes #6298.
Enables parsing of par in the sygus parser, and adds support for default grammar construction.
Also fixes a bug related to single invocation for non-function types.
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This fixes the type rule for to_real to match SMT-LIB: its argument must be an integer.
This required fixing the TPTP parser which has a more relaxed semantics for to_real / to_rat.
This also fixes Solver::isReal, which should return false if we are the integer type.
Fixes #6208.
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