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This ensures that users or developers don't accidentally break the solver either via options or changing the SMT engine flow so that the formula is not rewritten up to a given point.
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This commit adds support for code generation of options with modes (enums). From now on option enums can be specified in the corresponding *.toml files without the need of extra code. All option enums are now in the options namespace.
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Support ackermannization on uninterpreted sorts in BV. For uninterpreted sorts, we create a bit-vector sort to replace it. For an uninterpreted sort `S`, if the number of variables within sort `S` is `n`, the replacing bit-vector will have size (log n)+1.
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This would add tracing options to print the decision tree in [org-mode](https://orgmode.org/) format which can be viewed with emacs or [vim-orgmode](https://github.com/jceb/vim-orgmode).
In the raw format, the number of asterisks denote the decision level of a decision, and within a propagation node, the number of spaces denote the level. Most viewers render the asterisks as indented bullets.
There are some options for controlling verbosity:
`dtview` - prints the decisions (basic option)
`dtview::command` - also prints smt-lib commands as they're issued
`dtview::conflict` - also prints conflicts
`dtview::prop` - also prints propagations
Example usage:
`cvc4 -t dtview -t dtview::command -t dtview::conflict -t dtview::prop <example smt2 file> &> example-trace.org`
The resulting file when opened with an org-mode viewer has collapsible nodes, where "..." marks a node with children.
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API (#3355)
* Treat uninterpreted functions as a child in Term iteration
* Remove unnecessary const_iterator constructor
* Add parameter comments to const_iterator constructor
* Use operator[] instead of storing a vector of Expr children
* Switch pos member variable from int to uint32_t
* Add comment about how UFs are treated in iteration
* Allow OpTerm to contain a single Kind, update OpTerm construction
* Update mkTerm to use only an OpTerm (and not also a Kind)
* Remove unnecessary function checkMkOpTerm
* Update mkOpTerm comments to not use _OP Kinds
* Update examples to use new mkTerm
* First pass on fixing unit test
* Override kind for Constructor and Selector Terms
* More fixes to unit tests
* Updates to parser
* Remove old assert (for Kind, OpTerm pattern which was removed)
* Remove *_OP kinds from public API
* Add hasOpTerm and getOpTerm methods to Term
* Add test for UF iteration
* Add unit test for getOpTerm
* Move OpTerm implementation above Term implemenation to match header file
Moved in header because Term::getOpTerm() returns an OpTerm and the compiler complains
if OpTerm is not defined earlier. Simply moving the declaration is easier/cleaner than
forward declaring within the same file that it's declared.
* Fix mkTerm in datatypes-new.cpp example
* Use helper function for creating term from Kind to avoid nested API calls
* Rename: OpTerm->Op in API
* Update OpTerm->Op in examples/tests/parser
* Add case for APPLY_TESTER
* operator term -> operator
* Update src/api/cvc4cpp.h
Co-Authored-By: Aina Niemetz <aina.niemetz@gmail.com>
* Comment comment suggestion
Co-Authored-By: Aina Niemetz <aina.niemetz@gmail.com>
* Add not-null checks and implement Op from a single Kind constructor
* Undo sed mistake for OpTerm replacement
* Add 'd_' prefix to member vars
* Fix comment and remove old commented-out code
* Formatting
* Revert "Formatting"
This reverts commit d1d5fc1fb71496daeba668e97cad84c213200ba9.
* More fixes for sed mistakes
* Minor formatting
* Undo changes in CVC parser
* Add isIndexed and prefix with d_
* Create helper function for isIndexed to avoid calling API functions in other API functions
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Fixes #971.
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Detected with cppcheck static analyser, which said: (performance) Function
parameter should be passed by reference. Reformat with clang-format as
needed.
Signed-off-by: Piotr Trojanek <piotr.trojanek@gmail.com>
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The ackermannization process is currently already support general theories rather than specifically for BV. In this pull request, an option has been added to turn on ackermannization independently.
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This commit makes CVC4 complain if the user asked for proofs for an unsupported logic (in this contest, ALL is considered unsupported).
Changes in the regression script are introduced as well, in order to only request proofs for regressions in supported logics.
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When we do solving in incremental mode, we store substitutions at a
special index in our list of assertions. Previously, we used a
context-dependent variable for that. However, this is not needed since
the list of assertions just consists of the assertions currently being
processed, which are independent of the assertions seen so far. This
commit changes the index to be an ordinary integer and moves it to the
AssertionPipeline. Additionally, it abstracts access to the index in
preparation for splitting AssertionPipeline into three vectors (see
issue #2473).
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Solver::checkValidAssuming. (#3197)
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