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Author SHA1 Message Date
Nikolaj Bjorner 5cecd986e2 track empty clause during pop 
If a theory solver creates the empty clause it gets dropped during pop.
By maintaining a variable m_empty_clause, the solver ensures that it retains the information that the search state is inconsistent.
 2019-12-09 11:10:37 +03:00
Nikolaj Bjorner ebb7d60c75 fix #2792 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-09 07:50:57 +03:00
Nikolaj Bjorner 99a91ee116 fix #2793 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-09 07:38:47 +03:00
Nikolaj Bjorner db02328cf3 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-08 13:05:04 +03:00
Nikolaj Bjorner e6dc557c68 fix #2791 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-08 11:09:02 +03:00
Nikolaj Bjorner 5da0902dd4 remove smt option 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-07 11:31:21 +03:00
Nikolaj Bjorner 0f566ddf38 fix #2789 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-07 11:09:52 +03:00
Nikolaj Bjorner a2aab76c22 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-07 11:02:25 +03:00
Nikolaj Bjorner 3fa3c8bf76 fix #2788 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-07 09:46:33 +03:00
Nikolaj Bjorner 8eb2356b68 fix #2787 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-07 09:03:36 +03:00
Murphy Berzish e5ca451a02 z3str3: remove unused str_eq_todo worklist 2019-12-05 01:51:16 +03:00
Murphy Berzish 32e5c6ffd1 z3str3: missed instance of rewrite-then-assert 2019-12-05 01:51:16 +03:00
Nikolaj Bjorner 7e415c1b69 update to logging 2019-12-04 23:08:41 +03:00
Nikolaj Bjorner 20754bc72d fix #2768 2019-12-04 23:08:03 +03:00
Nikolaj Bjorner f646c9ac11 fix #2780 2019-12-04 10:45:17 +03:00
Nikolaj Bjorner 3d874313d3 fix #2782 2019-12-04 10:31:02 +03:00
Nikolaj Bjorner 2f6a9ba39b na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-03 20:34:56 +01:00
Nikolaj Bjorner eec153bb57 fix #2779 2019-12-03 14:49:58 +01:00
Nikolaj Bjorner 7f61d08496 fix #2777 2019-12-03 13:53:59 +01:00
Nikolaj Bjorner b35ec49b40 fix #2778 2019-12-03 12:53:06 +01:00
Nikolaj Bjorner 9af4cc0fd6 links to API (related to issue in z3doc) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-03 12:20:11 +01:00
Nikolaj Bjorner 28cb13fb96 fix #2771 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 15:41:56 -08:00
Nikolaj Bjorner 37a4dd68d0 fix #2773 fix #2774 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 15:22:03 -08:00
Nikolaj Bjorner 1eab774b91 fix #2774 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 15:22:03 -08:00
Murphy Berzish 89c9bb2e0e z3str3: don't call propagate() in init_search_eh() 2019-12-02 15:20:04 -08:00
Nikolaj Bjorner 7b0327dbad fix #2767 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 09:19:23 -08:00
Nikolaj Bjorner 2bf9b5ca8b fix #2767 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 09:15:04 -08:00
Nikolaj Bjorner 17d67c1b50 fix #2726 2019-12-01 20:14:35 -08:00
Nikolaj Bjorner 86c35bc7c1 fix #2763 2019-12-01 17:10:21 -08:00
Nikolaj Bjorner ad309e53a1 fix #2766 2019-12-01 16:06:14 -08:00
Nikolaj Bjorner 9ebaf19e47 fix #2765 2019-12-01 15:05:38 -08:00
Nikolaj Bjorner 23fcc21543 fix #2764 
fix #2764
 2019-12-01 12:05:58 -08:00
Nikolaj Bjorner b371592c0d unused variable warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-30 19:21:35 -08:00
Nikolaj Bjorner 320d6640b1 ensure unfolding is increased with seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-30 18:32:19 -08:00
Nikolaj Bjorner 489448b869 fix #2762, fix #2750, add iterative unrolling to help on termination on sat instances (to address non-termination in #2759 and #2762) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-30 18:05:24 -08:00
Nikolaj Bjorner 0d004b5232 fix #2761 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-30 10:31:26 -08:00
Nikolaj Bjorner cdf3c48349 clear memory on allocation to avoid msan warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-29 15:50:49 -08:00
Nikolaj Bjorner 7e452254c3 distribute string and regex concatenation on literals, scenario exposed by #2668 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-29 11:24:18 -08:00
Nikolaj Bjorner b479c34c0b fix #2751 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-29 10:18:55 -08:00
Nikolaj Bjorner 001ddef058 fix #2749 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-29 10:18:55 -08:00
Murphy Berzish bf28b815fa z3str3: add a method to rewrite-and-assert an axiom to reduce boilerplate 2019-11-29 09:37:22 -08:00
Murphy Berzish b8f2cf5b0b z3str3: rewrite strong arrangement axiom to avoid assertion violation 2019-11-29 09:37:22 -08:00
Nikolaj Bjorner a257ec0cc1 build warnings #2748 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-28 15:36:54 -08:00
Federico Mora 30d9ea5c2c Addressing comments from pull request: more descriptive variable names and m.mk_not 2019-11-27 22:06:59 -08:00
Federico Mora 574051df1b Step by step derivation of second int.to.str axiom 2019-11-27 22:06:59 -08:00
Federico Mora 900e707619 Added more comments 2019-11-27 22:06:59 -08:00
Federico Mora 6ffb475007 Add comments and make implication into xor. Logically equivalent. 2019-11-27 22:06:59 -08:00
Federico Mora fc74689c1b int.to.str must not begin with 0 unless is 0 2019-11-27 22:06:59 -08:00
Nikolaj Bjorner 0b893afee4 pretty print algebraic numbers from fast pretty printer 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-27 17:13:15 -08:00
Nikolaj Bjorner e36c2fec9e updated readme for VS and CMake integration 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-27 09:17:48 -08:00