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z3str3: remove legacy code (#4215)

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* z3str3: remove legacy fixed-length overlap testing

parameter smt.str.fixed_length_overlap_models has been deprecated

* z3str3: remove legacy length/value testing algorithm and binary search heuristic

the following parameters are deprecated:
smt.str.use_binary_search
smt.str.binary_search_start
smt.str.fixed_length_models (the fixed-length model construction is now always used)

* z3str3: remove legacy regex unroll methods

* z3str3: remove unused methods and member variables
This commit is contained in:
Murphy Berzish 2020-05-06 15:07:04 -05:00 • committed by GitHub
parent 691759c9e2
commit 1f15033ca2
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 68 additions and 2576 deletions
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9
src/smt/params/theory_str_params.cpp
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@ -27,17 +27,12 @@ void theory_str_params::updt_params(params_ref const & _p) {
m_UseFastLengthTesterCache = p.str_fast_length_tester_cache();
m_UseFastValueTesterCache = p.str_fast_value_tester_cache();
m_StringConstantCache = p.str_string_constant_cache();
m_FiniteOverlapModels = p.str_finite_overlap_models();
m_UseBinarySearch = p.str_use_binary_search();
m_BinarySearchInitialUpperBound = p.str_binary_search_start();
m_OverlapTheoryAwarePriority = p.str_overlap_priority();
m_RegexAutomata = p.str_regex_automata();
m_RegexAutomata_DifficultyThreshold = p.str_regex_automata_difficulty_threshold();
m_RegexAutomata_IntersectionDifficultyThreshold = p.str_regex_automata_intersection_difficulty_threshold();
m_RegexAutomata_FailedAutomatonThreshold = p.str_regex_automata_failed_automaton_threshold();
m_RegexAutomata_FailedIntersectionThreshold = p.str_regex_automata_failed_intersection_threshold();
m_RegexAutomata_LengthAttemptThreshold = p.str_regex_automata_length_attempt_threshold();
m_FixedLengthModels = p.str_fixed_length_models();
m_FixedLengthRefinement = p.str_fixed_length_refinement();
m_FixedLengthNaiveCounterexamples = p.str_fixed_length_naive_cex();
}
@ -52,15 +47,11 @@ void theory_str_params::display(std::ostream & out) const {
DISPLAY_PARAM(m_UseFastLengthTesterCache);
DISPLAY_PARAM(m_UseFastValueTesterCache);
DISPLAY_PARAM(m_StringConstantCache);
DISPLAY_PARAM(m_UseBinarySearch);
DISPLAY_PARAM(m_BinarySearchInitialUpperBound);
DISPLAY_PARAM(m_OverlapTheoryAwarePriority);
DISPLAY_PARAM(m_RegexAutomata);
DISPLAY_PARAM(m_RegexAutomata_DifficultyThreshold);
DISPLAY_PARAM(m_RegexAutomata_IntersectionDifficultyThreshold);
DISPLAY_PARAM(m_RegexAutomata_FailedAutomatonThreshold);
DISPLAY_PARAM(m_RegexAutomata_FailedIntersectionThreshold);
DISPLAY_PARAM(m_RegexAutomata_LengthAttemptThreshold);
DISPLAY_PARAM(m_FixedLengthModels);
DISPLAY_PARAM(m_FixedLengthNaiveCounterexamples);
}