18 commits

Author	SHA1	Message	Date
Murphy Berzish	f604fad779	z3str3: fix negated str.contains, add reduction for str.at	2020-02-20 11:46:29 -10:00
Murphy Berzish	698e2ffb0b	z3str3: small refactoring to previous commit	2020-02-18 08:57:06 -10:00
Murphy Berzish	b4acd44d5e	z3str3: fix crash in model construction when a variable has an impossible length assignment	2020-02-18 08:57:06 -10:00
Murphy Berzish	0146259ea4	z3str3: fix control flow and return paths in regex model construction	2020-02-12 12:03:34 -08:00
Murphy Berzish	8d3ed19981	z3str3: loop and trace cleanup	2020-02-11 12:37:42 -08:00
Nikolaj Bjorner	d770b5135d	fix build warnings for theory_str_mc ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2020-02-10 09:02:14 -08:00
Murphy Berzish	524434cfbb	z3str3: pass correct subterm to negative regex model construction	2020-02-09 20:40:43 -08:00
Nikolaj Bjorner	d5dfe07203	warnings ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2020-02-07 19:42:44 -08:00
Nikolaj Bjorner	88374a15d0	build errors/warnings ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2020-02-07 10:09:10 -08:00
Murphy Berzish	4535228fe2	z3str3: mk_value searches equivalence class of terms for candidate model variables	2020-02-06 21:43:23 -08:00
Murphy Berzish	69cab61de3	z3str3: fix str.contains bitvector reduction	2020-02-06 21:43:23 -08:00
Murphy Berzish	883c5df109	z3str3: regex automata in bitvector model construction	2020-02-06 21:43:23 -08:00
Murphy Berzish	237adbf40c	z3str3: ensure top-level free variables always participate in model construction	2020-02-06 21:43:23 -08:00
Murphy Berzish	812049ca4a	z3str3: ignore non-relevant formulas in bitvector model construction	2020-02-06 21:43:23 -08:00
Murphy Berzish	cf3f271f5b	z3str3: add smt.str.fixed_length_naive_cex option for naive length-based counterexamples	2020-02-06 21:43:23 -08:00
Murphy Berzish	c1e7d7788e	z3str3: refactor bv-mc to separate file	2020-02-06 21:43:23 -08:00
Murphy Berzish	5a9a173c5f	z3str3: move bitvector model construction to theory_str_mc	2020-02-06 21:43:23 -08:00
Murphy Berzish	509cad9c9a	z3str3: refactoring, move legacy model construction code into theory_str_mc	2020-01-14 16:13:25 -08:00