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theory_str binary search heuristic WIP

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This commit is contained in:
Murphy Berzish 2016-12-22 19:17:42 -05:00
parent df63b62763
commit 2dc9b486d3
5 changed files with 442 additions and 168 deletions
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src/smt/params/smt_params_helper.pyg
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@ -69,5 +69,7 @@ def_module_params(module_name='smt',
('str.fast_length_tester_cache', BOOL, False, 'cache length tester constants instead of regenerating them'),
('str.fast_value_tester_cache', BOOL, True, 'cache value tester constants instead of regenerating them'),
('str.string_constant_cache', BOOL, True, 'cache all generated string constants generated from anywhere in theory_str'),
('str.use_binary_search', BOOL, False, 'use a binary search heuristic for finding concrete length values for free variables in theory_str (set to False to use linear search)'),
('str.binary_search_start', UINT, 64, 'initial upper bound for theory_str binary search'),
('theory_case_split', BOOL, False, 'Allow the context to use heuristics involving theory case splits, which are a set of literals of which exactly one can be assigned True. If this option is false, the context will generate extra axioms to enforce this instead.')
))