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Adding some options in support of F* (#6774)

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* patterns: add option for pattern decomposition (pi.decompose_patterns)

True by default, retaining current behavior.

* rewriter: add option for sorting of disjunctions (rewriter.sort_disjunctions)

True by default, retaining current behavior.
This commit is contained in:
Guido Martínez 2023-06-20 16:10:37 -07:00 • committed by GitHub
parent eb1caee18a
commit 3517361a73
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 14 additions and 2 deletions
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1
src/params/bool_rewriter_params.pyg
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@ -4,6 +4,7 @@ def_module_params(module_name='rewriter',
params=(("ite_extra_rules", BOOL, True, "extra ite simplifications, these additional simplifications may reduce size locally but increase globally"),
("flat", BOOL, True, "create nary applications for +,*,bvadd,bvmul,bvand,bvor,bvxor"),
("flat_and_or", BOOL, True, "create nary applications for and,or"),
("sort_disjunctions", BOOL, True, "sort subterms in disjunctions"),
("elim_and", BOOL, False, "conjunctions are rewritten using negation and disjunctions"),
('elim_ite', BOOL, True, "eliminate ite in favor of and/or"),
("local_ctx", BOOL, False, "perform local (i.e., cheap) context simplifications"),

2
src/params/pattern_inference_params.cpp
View file

@ -23,6 +23,7 @@ void pattern_inference_params::updt_params(params_ref const & _p) {
pattern_inference_params_helper p(_p);
m_pi_max_multi_patterns = p.max_multi_patterns();
m_pi_block_loop_patterns = p.block_loop_patterns();
m_pi_decompose_patterns = p.decompose_patterns();
m_pi_arith = static_cast<arith_pattern_inference_kind>(p.arith());
m_pi_use_database = p.use_database();
m_pi_arith_weight = p.arith_weight();
@ -36,6 +37,7 @@ void pattern_inference_params::updt_params(params_ref const & _p) {
void pattern_inference_params::display(std::ostream & out) const {
DISPLAY_PARAM(m_pi_max_multi_patterns);
DISPLAY_PARAM(m_pi_block_loop_patterns);
DISPLAY_PARAM(m_pi_decompose_patterns);
DISPLAY_PARAM(m_pi_arith);
DISPLAY_PARAM(m_pi_use_database);
DISPLAY_PARAM(m_pi_arith_weight);

1
src/params/pattern_inference_params.h
View file

@ -29,6 +29,7 @@ enum arith_pattern_inference_kind {
struct pattern_inference_params {
unsigned m_pi_max_multi_patterns;
bool m_pi_block_loop_patterns;
bool m_pi_decompose_patterns;
arith_pattern_inference_kind m_pi_arith;
bool m_pi_use_database;
unsigned m_pi_arith_weight;

1
src/params/pattern_inference_params_helper.pyg
View file

@ -4,6 +4,7 @@ def_module_params(class_name='pattern_inference_params_helper',
export=True,
params=(('max_multi_patterns', UINT, 0, 'when patterns are not provided, the prover uses a heuristic to infer them, this option sets the threshold on the number of extra multi-patterns that can be created; by default, the prover creates at most one multi-pattern when there is no unary pattern'),
('block_loop_patterns', BOOL, True, 'block looping patterns during pattern inference'),
('decompose_patterns', BOOL, True, 'allow decomposition of patterns into multipatterns'),
('arith', UINT, 1, '0 - do not infer patterns with arithmetic terms, 1 - use patterns with arithmetic terms if there is no other pattern, 2 - always use patterns with arithmetic terms'),
('use_database', BOOL, False, 'use pattern database'),
('arith_weight', UINT, 5, 'default weight for quantifiers where the only available pattern has nested arithmetic terms'),