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regex failsafe and intersect WIP

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This commit is contained in:
Murphy Berzish 2018-01-12 13:53:02 -05:00
parent 6b799706b5
commit ca3784449f
5 changed files with 136 additions and 5 deletions
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30
src/smt/params/theory_str_params.h
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@ -93,6 +93,30 @@ struct theory_str_params {
*/
unsigned m_RegexAutomata_DifficultyThreshold;
/*
* RegexAutomata_IntersectionDifficultyThreshold is the lowest difficulty above which Z3str3
* will not eagerly intersect automata to check unsatisfiability.
*/
unsigned m_RegexAutomata_IntersectionDifficultyThreshold;
/*
* RegexAutomata_FailedAutomatonThreshold is the number of failed attempts to build an automaton
* after which a full automaton (i.e. with no length information) will be built regardless of difficulty.
*/
unsigned m_RegexAutomata_FailedAutomatonThreshold;
/*
* RegexAutomaton_FailedIntersectionThreshold is the number of failed attempts to perform automaton
* intersection after which intersection will always be performed regardless of difficulty.
*/
unsigned m_RegexAutomata_FailedIntersectionThreshold;
/*
* RegexAutomaton_LengthAttemptThreshold is the number of attempts to satisfy length/path constraints
* before which we begin checking unsatisfiability of a regex term.
*/
unsigned m_RegexAutomata_LengthAttemptThreshold;
theory_str_params(params_ref const & p = params_ref()):
m_StrongArrangements(true),
m_AggressiveLengthTesting(false),
@ -106,7 +130,11 @@ struct theory_str_params {
m_BinarySearchInitialUpperBound(64),
m_OverlapTheoryAwarePriority(-0.1),
m_RegexAutomata(true),
m_RegexAutomata_DifficultyThreshold(1000)
m_RegexAutomata_DifficultyThreshold(1000),
m_RegexAutomata_IntersectionDifficultyThreshold(1000),
m_RegexAutomata_FailedAutomatonThreshold(10),
m_RegexAutomata_FailedIntersectionThreshold(10),
m_RegexAutomata_LengthAttemptThreshold(10)
{
updt_params(p);
}