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This PR classifies all internal kinds of incompleteness as identifiers.
It makes it so TheoryEngine records an identifier when its incomplete flag is set.
The next step will be to possibly communicate this value to the user.
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This is in preparation for refactoring skolem creation throughout the code base to improve proofs and migrate Theory::expandDefinitions to Rewriter::expandDefinitions.
This PR also eliminates some unused code in TheoryArithPrivate.
Followup PRs will start formalizing/eliminating calls to mkDummySkolem.
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Currently, NodeBuilder takes a single template argument: An integer
that determines the expected number of arguments. This argument is used
to determine the size of the d_inlineNvChildSpace array. This array is
used to construct nodes inline. The advantage of this is that we don't
have to allocate a NodeValue on the heap for the node under
construction until we are sure that the node is new. While templating
the array size may save some stack space (or avoid a heap allocation if
we statically know that we a fixed number of children and that number is
greater than 10), it complicates the code and leads to longer compile
times. Thus, this commit removes the template argument and moves some of
the NodeBuilder code to a source file for faster compilation.
CPU build time before change (debug build): 2429.68s
CPU build time after change (debug build): 2228.44s
Signed-off-by: Andres Noetzli noetzli@amazon.com
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Each theory has its own proof checker, responsible for checking the rules pertaining to that theory. The main proof checker uses these specialized checkers. Previously the main proof checker (of the proof node manager used across the SMT solver) was connected to these theory proof checkers during initialization of the theory. This commit adds an interface to the theories for retrieving its proof checker (analogous to how one retrieves the rewriter of a theory) which is used by a new method in the theory engine to register a theory proof checker to a given proof checker according to a theory id.
This is in preparation for the new unsat cores based on proofs.
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Adds support for BitVector optimization, which is done via offline binary search. Units tests included.
Also mildly refactors the optimizer architecture.
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Fixes the first benchmark from #6203.
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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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This PR migrates CLN to a new Find script and adds the possibility to install CLN if not found in the system.
Also, it does a bit of cleanup.
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Refactors GMP and libpoly to also use external projects and be available within cmake as proper targets.
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This PR refactors the contrib script to download SymFPU to a cmake external project.
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This PR enables us to build gtest ourselves if it is not already installed.
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This PR introduces the header file for a more modular bv-to-int module, that will be called from the preprocessing pass bv-to-int, and possibly from the bit-vector solver after preprocessing.
The header file is basically a copy of the bv_to_int.h header file from preprocessing, with some adjustments to increase modularity.
In addition to the header file we also introduce an empty unit test that #includes the header, in order to identify compilation errors. The unit test will be populated in subsequent PRs, that will also include implementations.
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This eliminates one of the dependencies of TypeNode on options. In particular, this makes it so that function types are always considered first-class.
This change makes it so that higher-order types can always be constructed; logic exceptions should occur if they are used in constraints.
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Creating BitVectors (and deleting them) is in general expensive because
of the underlying multi-precision Integer. If possible, unnecessary
constructions and desctructions of BitVectors should be avoided.
The most common use case for `setBit` is that for an existing BitVector,
a given bit should be set to a certain value. Not doing this in place
generates unnecessary constructions and destructions of BitVectors.
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This is in preparation for renaming src/expr to src/node.
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Naming scheme is `Test<directory><Black|White><name>`.
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Naming scheme is `Test<directory><Black|White><name>`.
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This PR uses IntegralHistogramStat instead of HistogramStat when appropriate, that is everywhere.
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This PR refactors the linear arithmetic solver to properly use its inference manager, instead of directly sending lemmas to the output channel. To do this, it introduces new InferenceIds for the various linear lemmas.
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This PR does a first round of refactoring on the statistics, in particular the Stat class and derived classes.
It significantly shrinks the class hierarchy, modernizes some code (e.g. use std::chrono instead of clock_gettime), removes unused features (e.g. nesting of statistics) and does some general cleanup and consolidation.
Subsequent PRs are planned to change the ownership model (right now every module owns the Stat object) which makes the whole register / unregister mechanism obsolete.
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This also renames metakind::getLowerBoundForKind and
metakind::getUpperBoundForKind for consistency.
Note that the NodeManager class needs to be reordered to comply to our
style guidelines. This PR does not reorder but introduces a public block
at the top (where the rest of the public interface of the class should
go eventually).
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Further cleans up some unused variables and moves the configuration of
best to configure.sh.
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This commit removes the partial UDIV/UREM operator handling. BITVECTOR_UDIV and BITVECTOR_UREM are now total.
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The logic QF_LIA was not set in the api interpolation test.
Setting it brings the solving time from ~37s to ~2s.
Also, a comment is fixed.
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This cleans up the MyContext* classes defined for the tests according to
the code style guidelines. It further converts non-fixed width integer
types to fixed-width types. This was missed in #5587.
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This disables the temporarily available internals of Result.
It further changes the interface for getUnknownExplanation, which now
returns an enum value instead of a string.
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This disables the temporarily available internals of Op.
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Similar to #6031, this PR implements suggestions from iwyu to reduce the number of includes in header files by introducing forward declarations and moving includes to source files.
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This PR is a step towards removing SExpr class. It replaces SExpr with std::string for set-info and set-option commands.
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This PR adds tuple projection operator to the theory of data types.
It Also adds helper functions for selecting elements from a tuple.
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