2485 commits

Author	SHA1	Message	Date
Clemens Eisenhofer	b116d5ac9e	Fixed assignment bug for shifts/band	2022-11-21 16:40:28 +01:00
Clemens Eisenhofer	0341851958	Deal with special case that coefficients are multiples directly (Without calculating the symbolic inverse)	2022-11-21 14:36:01 +01:00
Clemens Eisenhofer	7cb87df00c	Bug fix; may not rewrite inequality	2022-11-21 11:34:23 +01:00
Clemens Eisenhofer	133f3d0a02	Evaluate bitwise operations on values	2022-11-21 09:38:53 +01:00
Clemens Eisenhofer	5c3180562d	Some more ways of calculating the inverse	2022-11-21 09:19:17 +01:00
Clemens Eisenhofer	5240a8382a	Make it compile again	2022-11-20 17:34:37 +01:00
Clemens Eisenhofer	4f4d56eb91	Added alternative way of calculating number of trailing zeros + hamming distance	2022-11-20 17:25:04 +01:00
Clemens Eisenhofer	98d572b48b	First try to generalize variable elimination	2022-11-20 11:35:12 +01:00
Jakob Rath	022c06f75d	pdd::subst_get	2022-11-18 15:14:38 +01:00
Jakob Rath	adc9f7abe4	Add basic implementation of left shift	2022-11-17 17:37:52 +01:00
Jakob Rath	68707eefe7	Fix lshr axioms	2022-11-17 17:37:52 +01:00
Jakob Rath	f12ae0af12	clause_builder: rename push to insert	2022-11-17 17:37:52 +01:00
Jakob Rath	dbe814d568	Add forbidden interval lemma separately	2022-11-17 15:00:16 +01:00
Jakob Rath	b4ee8cef1a	Add helper for creating op_constraints	2022-11-17 12:59:37 +01:00
Jakob Rath	38a43bd087	Remove conflict_kind	2022-11-17 12:25:28 +01:00
Jakob Rath	00e8c53f9a	Remove unused code	2022-11-17 12:22:40 +01:00
Jakob Rath	097454cf37	Fix eval_lshr	2022-11-17 11:47:12 +01:00
Jakob Rath	2c4e3184d7	For now, do not delete variables.	2022-11-16 15:49:58 +01:00
Jakob Rath	aa59de9056	Track max jump level from side lemmas	2022-11-14 15:43:46 +01:00
Jakob Rath	cd83a6ec69	Remove bailout state from conflict	2022-11-14 15:15:35 +01:00
Jakob Rath	e2804c3db2	Remove bail_vars	2022-11-14 15:02:58 +01:00
Jakob Rath	eec8e8ebe4	Fix name: value propagation -> evaluation (for boolean literals)	2022-11-14 14:58:20 +01:00
Jakob Rath	436881c18c	print lemmas	2022-11-14 14:51:54 +01:00
Jakob Rath	01af25ca02	Remove backjump state from conflict	2022-11-14 14:33:19 +01:00
Jakob Rath	406696f0a3	Remove unused code	2022-11-11 10:25:49 +01:00
Jakob Rath	fc773ef19e	Remove old file	2022-11-10 14:42:55 +01:00
Jakob Rath	d3f70c0fb8	Rename: explain -> superposition	2022-11-10 14:42:13 +01:00
Nikolaj Bjorner	27f8b8d13a	inline definition in header file ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2022-11-09 09:55:05 -08:00
Nikolaj Bjorner	a98502b62f	weaken assertion, remove dependency on hash_compare in unittest for hashtables ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2022-11-09 09:28:49 -08:00
Jakob Rath	abc4cc5295	Simplify boolean propagation level	2022-11-09 16:59:51 +01:00
Jakob Rath	27d65df70b	Use correct level for pvar propagations (v := val)	2022-11-09 16:58:34 +01:00
Jakob Rath	c08866dcec	Disable simplify_clause::try_recognize_bailout for now	2022-11-09 14:30:33 +01:00
Jakob Rath	05ddac5ddc	Allow disabling log messages	2022-11-08 17:15:56 +01:00
Jakob Rath	eaf38abf17	Normalize to 0 < 0 instead of 1 <= 0	2022-11-07 15:32:34 +01:00
Jakob Rath	e7c77a22ab	Dedup quot_rem and lshr too	2022-11-07 15:25:05 +01:00
Jakob Rath	2953b1c093	Dedup op constraints	2022-11-07 15:02:48 +01:00
Jakob Rath	89acd96a89	All constraints have bvars now	2022-11-07 14:14:36 +01:00
Jakob Rath	586ffdf402	Remove unnecessary argument	2022-11-07 14:04:28 +01:00
Jakob Rath	a1736473a4	Move bit-wise expressions to constraint_manager	2022-11-07 14:00:02 +01:00
Jakob Rath	7662427d92	Split constraint_manager into separate file	2022-11-07 13:33:48 +01:00
Jakob Rath	e33f728128	hm	2022-10-31 15:54:56 +01:00
Jakob Rath	29695391de	First pass at free variable elimination	2022-10-31 15:22:03 +01:00
Jakob Rath	4cdd3bf77d	Add overload for conflict::add_lemma	2022-10-31 15:19:36 +01:00
Jakob Rath	6a03df9017	Track set of variables that occur in conflict constraints	2022-10-31 15:18:48 +01:00
Jakob Rath	eba59356f3	Disable problematic resolve_with_assignment	2022-10-31 15:17:32 +01:00
Nikolaj Bjorner	0da0fa2b27	#6429	2022-10-29 13:43:07 -07:00
Nikolaj Bjorner	edad727cd5	#6364 ... ensure substitutions are applied to eliminate internal variables from results	2022-10-20 13:14:54 -07:00
Nikolaj Bjorner	fc30461828	unused variables ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2022-10-20 09:09:06 -07:00
Nikolaj Bjorner	eaf52f4c32	fix infinite loop issue in def::operator+, other issues remain though for #6404 ... The example from #6404 results in an incorrect result. It uses integer division on private variables where MBQI support is new and not tested for substitutions.	2022-10-18 14:52:30 -07:00
Nikolaj Bjorner	b758d5b2b1	wip - proof checking, add support for distinct, other fixes	2022-10-17 17:51:10 -07:00