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add path constraint generation for regex terms

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This commit is contained in:
Murphy Berzish 2018-01-10 17:24:47 -05:00
parent bac5a648d9
commit 6b799706b5
5 changed files with 145 additions and 35 deletions
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9
src/smt/params/theory_str_params.h
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@ -87,6 +87,12 @@ struct theory_str_params {
*/
bool m_RegexAutomata;
/*
* RegexAutomata_DifficultyThreshold is the lowest difficulty above which Z3str3
* will not eagerly construct an automaton for a regular expression term.
*/
unsigned m_RegexAutomata_DifficultyThreshold;
theory_str_params(params_ref const & p = params_ref()):
m_StrongArrangements(true),
m_AggressiveLengthTesting(false),
@ -99,7 +105,8 @@ struct theory_str_params {
m_UseBinarySearch(false),
m_BinarySearchInitialUpperBound(64),
m_OverlapTheoryAwarePriority(-0.1),
m_RegexAutomata(true)
m_RegexAutomata(true),
m_RegexAutomata_DifficultyThreshold(1000)
{
updt_params(p);
}