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exposed pattern inference params

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-12-02 12:24:27 -08:00
parent 32854c677c
commit 624115ea6d
2 changed files with 28 additions and 10 deletions
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27
src/ast/pattern/pattern_inference_params.h
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@ -19,6 +19,8 @@ Revision History:
#ifndef _PATTERN_INFERENCE_PARAMS_H_
#define _PATTERN_INFERENCE_PARAMS_H_
#include"pattern_inference_params_helper.hpp"
enum arith_pattern_inference_kind {
AP_NO, // do not infer patterns with arithmetic terms
AP_CONSERVATIVE, // only infer patterns with arithmetic terms if there is no other option
@ -37,17 +39,22 @@ struct pattern_inference_params {
bool m_pi_avoid_skolems;
bool m_pi_warnings;
pattern_inference_params():
m_pi_max_multi_patterns(0),
m_pi_block_loop_patterns(true),
m_pi_arith(AP_CONSERVATIVE),
m_pi_use_database(false),
m_pi_arith_weight(5),
m_pi_non_nested_arith_weight(10),
m_pi_pull_quantifiers(true),
pattern_inference_params(params_ref const & p = params_ref()):
m_pi_nopat_weight(-1),
m_pi_avoid_skolems(true),
m_pi_warnings(false) {
m_pi_avoid_skolems(true) {
updt_params(p);
}
void 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_arith = static_cast<arith_pattern_inference_kind>(p.arith());
m_pi_use_database = p.use_database();
m_pi_arith_weight = p.arith_weight();
m_pi_non_nested_arith_weight = p.non_nested_arith_weight();
m_pi_pull_quantifiers = p.pull_quantifiers();
m_pi_warnings = p.warnings();
}
};

11
src/ast/pattern/pattern_inference_params_helper.pyg Normal file
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@ -0,0 +1,11 @@
def_module_params(class_name='pattern_inference_params_helper',
module_name='pi',
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'),
('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, True, 'use pattern database'),
('arith_weight', UINT, 5, 'default weight for quantifiers where the only available pattern has nested arithmetic terms'),
('non_nested_arith_weight', UINT, 10, 'default weight for quantifiers where the only available pattern has non nested arithmetic terms'),
('pull_quantifiers', BOOL, True, 'pull nested quantifiers, if no pattern was found'),
('warnings', BOOL, False, 'enable/disable warning messages in the pattern inference module')))