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Add simplification customization for SMTLIB2

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Add the ability to customize incremental pre-processing simplification for the SMTLIB2 front-end. The main new capability is to use pre-processing tactics in incremental mode that were previously not available. The main new capabilities are
- solve-eqs
- reduce-args
- elim-unconstrained
There are several more. Documentation and exposed simplifiers are populated incrementally. The current set of supported simplifiers can be inspected by using z3 with the --simplifiers flag or referring to https://microsoft.github.io/z3guide/docs/strategies/simplifiers

Some pending features are:
- add the ability to update parameters to simplifiers similar to how tactics can be controlled using parameters.
- expose simplification solvers over the binary API.
This commit is contained in:
Nikolaj Bjorner 2023-01-30 22:38:51 -08:00
parent dd0decfe5d
commit 6022c17131
32 changed files with 370 additions and 69 deletions
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5
src/solver/simplifier_solver.h
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@ -20,6 +20,9 @@ Author:
class solver;
class solver_factory;
class dependent_expr_simplifier;
class dependent_expr_state;
typedef std::function<dependent_expr_simplifier*(ast_manager&, const params_ref&, dependent_expr_state& s)> simplifier_factory;
solver * mk_simplifier_solver(solver * s);
solver * mk_simplifier_solver(solver * s, simplifier_factory* fac);