5 commits

Author	SHA1	Message	Date
Nikolaj Bjorner	8ee54c665a	removing unit clauses and dependency manager, use minisat approach by tracking assumption literals directly also in clauses ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2021-09-20 15:10:03 -07:00
Nikolaj Bjorner	1e3ff3179e	handle empty clauses created as lemmas as unsat state. ... add unit tests	2021-09-19 15:43:47 -04:00
Nikolaj Bjorner	d514464e30	levels/crit ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2021-09-10 16:03:38 +02:00
Nikolaj Bjorner	516ca06c28	levels take 1 ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2021-09-10 15:40:25 +02:00
Jakob Rath	dc547510db	Polysat: conflict resolution wip (#5529) ... * conflict_core doesn't need gc() anymore * update comments, ensure_bvar for new constraints * Make sure constraints can only be created through constraint_manager * fix constraint::display if no boolean variable is assigned * Move clause into separate file * Add conflict_core binary resolution * conflict_core additions * reactivate conflict resolution outer loop * wip * seems commented includes break CI build	2021-09-01 09:10:10 -07:00