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This commit adds support for compiling CVC4 with ThreadSanitizer
instrumentation. This is useful for debugging issues when CVC4 is used
in a multi-threaded context (e.g. #3292).
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Fixes #3353. #3062 introduced a flag that tracks whether we have seen a
`(set-logic ...)` command to improve the handling of `--force-logic`.
However, the flag was not set to `false` when `(reset)` was called. This
commit fixes the issue.
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* Refactor non-linear extension for model-based refinement
* Format
* Minor
* Address
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The current code is creating/destroying datatypes unnecessarily.
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Fixes #971.
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This is work towards splitting a "core solver" object from TheoryStrings.
This moves global functions from TheoryStrings to InferenceManager/SolverState, making them accessible in the future by modules that have references to these objects.
It also corrects an issue where we were maintaining two `d_conflict` fields.
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This adds node-level interfaces for a few missing functions that will be necessary to have a Node-level API for datatypes.
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This commit fixes some minor (performance) issues in
`TheoryStrings::checkFlatForms()`: The `inelig` vector was initialized
with copies of the `start` element instead of all the elements before
`start` and the `else` branch of `count == asize` was looping over all
elements from `1` instead of `start + 1`. Additionally, this commit
refactors the code to be a bit more readable.
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* Split arith util
* Cleaner
* cpp
* Format
* Minor
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* Towards fix for non-linear models
* Format
* Fix
* More
* Improve
* Format
* More
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This ensures we add lemmas when collect model info fails for the higher order extension of UF. This fixes #3405 (that benchmark now answers unknown).
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This commit fixes numerous issues involving the combination of SyGuS and regular expressions.
Combining SyGuS and regular expressions may involve constructing regular expressions that are neither variables nor builtin regular expression operators. The code was not robust for this case, either throwing spurious assertion failures or having incorrect behavior.
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This refactors skolems introduced in the theory of sets. This is analogous to how skolems are treated for the theory of strings.
A key change that this commit enables is to identify "variable" sets based on those that weren't introduced by the SkolemCache (instead of via a check that their kind is `VARIABLE`, which is done currently and is error prone).
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Previously, the metakind header defined macros for the number of bits
reserved for fields in the NodeValue "header" (for the reference count,
the node kind, the number of children and the node id). These macros
were redundant, since the only one using them was the NodeValue itself,
which redefined them (while using them) as constants in the class.
Additionally, MAX_CHILDREN was defined (using these macros) not only
in the metakind header, but redefined in other places.
This commit defines the above values as constexpr members of the
NodeValue class and cleans up redundancy.
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definitions (#3399)
Signed-off-by: Andrew V. Jones <andrewvaughanj@gmail.com>
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This refactors the theory of strings to use a solver state object, which manages state information regarding assertions.
It also deletes some unused/undefined functions in theory_strings.h.
There are no major changes to the behavior of the code or its documentation in this PR.
This is work towards #1881.
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This commit updates the line numbers in templates to address warnings
due to wrong line numbers.
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In theory_engine.cpp, we were calling `theoryOf()` with
`THEORY_SAT_SOLVER` as the theory id. However, `THEORY_SAT_SOLVER` is
defined as `THEORY_LAST` and thus out-of-bounds of the `d_theoryTable`
defined in theory_engine.h (which is of size `THEORY_LAST`. This commit
adds an assertion that detects the out-of-bound access and introduces a
method to turn a theory id into a string which correctly handles
`THEORY_SAT_SOLVER`.
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Fixes #1399.
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This commit adds support for compiling CVC4 with UBSan instrumentation.
The commit also adds a dummy version of `AigBitblaster`. Previously,
when CVC4 was built without ABC, `AigBitblaster` was not fully defined
(the class was declared but the implementation was not being compiled).
This lead to missing RTTI information when compiling with UBSan
instrumentation.
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Fixes #2517.
This makes the order of theories explicit in the source code rather than relying on the order defined via the build system. Previously, the build system ensured the order of the theories via the KINDS_FILES variable, which is a list of kinds files that is fed to code generation scripts (mkkind, mkmetakind, mkrewriter, mktheorytraits). The generated code critical to the order of theories w.r.t. soundess is the TheoryId enum, and the CVC4_FOR_EACH_THEORY macro. Ideally, we would want to get rid of the latter (ugly and error prone), which is not possible in the current configuration, and to be discussed in the future.
This PR moves the TheoryID enum and related functions to theory/theory_id.h, and the CVC4_FOR_EACH_THEORY macro to theory/theory_engine.cpp, the only place where it is used.
I ran it on whole SMT-LIB (non-incremental and incremental) and did not encounter any soundness issues. The only issue that did occur is not related to these changes, non-critical and known: #2993
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