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This PR adds documentation about the command line options to the sphinx documentation. It is mostly a reformatted version of what --help would print.
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This PR replaces the confusing co-existence of long and smt_name for options by long and a list of alias.
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This PR further simplifies the option declaration by removing the header attribute from module options.
Instead of specifying it manually, it is now automatically generated from the filename of the toml file. The header files and the toml files use matching names already, so this PR simply removes another mechanism that is not used anyway.
This PR also does a minor cleanup of the Options class in the mkoptions.py script.
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This PR removes the possibility of declaring options read_only.
It's only effect is making an attempts to disallow changing the respective option from within our internal code (by not providing a setter method). However, a "read-only" option can still be set via the setOption() methods that is also used by the API, and by SMT-LIB's set-option.
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This adds the combination engine, which is the module of TheoryEngine which implements the combineTheories method and owns the various components of theory combination, which includes equality engine manager, model manager, and the "shared solver" (to come later). It will have two variants, CombinationCareGraph and CombinationModelBased, the former is added with this PR.
FYI @barrettcw
The next PR will connect this module to TheoryEngine and remove a few existing methods from TheoryEngine, as they are implemented in the modules of this class.
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arithmetic (#4930)
This PR activates the use of the relevance manager in TheoryEngine and makes use of it (via Valuation) in the non-linear extension in arith. It removes a deprecated hack (addTautology) for doing this.
This addresses CVC4/cvc4-projects#113.
Note that the best method for relevance is interleaving, where roughly you gain on SMT-LIB:
QF_NIA: +484-53 unsat +792-440 sat
QF_NRA: +32-19 unsat +57-23 sat
However, this PR does not (yet) enable this method by default.
Note that more work is necessary to determine which lemmas require NEEDS_JUSTIFY, this PR identifies 2 cases of lemmas that need justification (skolemization and strings reductions). Regardless, the use of the relevance manager is limited to non-linear arithmetic for now, which is only able to answer "sat" when only arithmetic is present in assertions.
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Towards disentangling Options / NodeManager / SmtEngine.
This PR removes options --use-theory=NAME and --replay/--replay-log. Both of these options are highly complex, unused, and lead to complications when implementing the way options and our build system work.
The first is motivated by making TheoryEngine use an "alternate" theory, which appears to e.g. make it so that TheoryIdl could entirely replace TheoryArith. I believe this is too heavy handed of a solution: there should a consistent TheoryArith class, and options should be used to enable/disable alternate modules within it.
The second attempts to replay low level decisions from the SAT solver. It is documented as not working (in 1.0). I do not believe this is worth salvaging.
It also removes the solver in src/theory/idl, which cannot be enabled after this commit.
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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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This commit refactors code generation for options. It uses a new configuration format for defining options (*.toml) and a new Python script mkoptions.py to generate the source code and option documentation.
The option behavior did not change for most of the options, except that for bool --enable-/--disable- long options enable/disable was removed. E.g. --enable-miplib-trick and --disable-miplib-trick got changed to --miplib-trick and --no-miplib-trick.
This commit fixes also an issues with set-option/get-option via the SMT2 interface. Before long options were only accessible if the name included the =ARG part.
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