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Code Activity
22466 commits 86 branches 58 tags 205 MiB
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213 commits

Author SHA1 Message Date
Nikolaj Bjorner
abbe36561d cleanup service 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-24 17:22:04 -07:00
Nikolaj Bjorner
cedd896ea5 redo length re-computation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-24 15:49:19 -07:00
Nikolaj Bjorner
7fc68d20ea brain got parked somewhere? 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-23 19:16:18 -07:00
CEisenhofer
e045e650da Fixed order of undoing 2026-04-23 17:18:04 +02:00
CEisenhofer
3873f387be Model construction has to respect the length constraints 2026-04-22 19:51:09 +02:00
CEisenhofer
0a1eb26952 Avoid Skolem functions for length and symbolic characters introduced during Nielsen saturation (power exponents are still Skolem functions) 2026-04-22 11:06:55 +02:00
CEisenhofer
46364a1502 Extract argument of unit when adding constant character to range 2026-04-21 18:54:36 +02:00
CEisenhofer
8b2643ff02 Missing unit around symbolic characters 2026-04-21 18:38:03 +02:00
Nikolaj Bjorner
b2fa00ecf4 fix vector<le, false> to vector<le> we need the copy and destructor semantics for expr_ref 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-21 18:37:23 +02:00
CEisenhofer
03c990e0e1 Push substitutions back to base solver 2026-04-21 18:29:40 +02:00
Nikolaj Bjorner
4446705eae clean up conflict generation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-21 18:28:25 +02:00
Nikolaj Bjorner
3296681a19 add code review comments 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-21 17:17:19 +02:00
Nikolaj Bjorner
40122b494c add comments, fix a bug in early return for min-term version of expansion 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-21 16:49:29 +02:00
Nikolaj Bjorner
3beeadfe51 nits 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-21 16:20:17 +02:00
CEisenhofer
ec92a532b8 Use dedicated string variables based on mod. count 2026-04-21 10:53:35 +02:00
Nikolaj Bjorner
8cc85a7d7b code simplification, fix conflict in new_diseq_eh 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-21 10:17:43 +02:00
Nikolaj Bjorner
352b14fe2b fix and optimize not-contains and regex equalities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-21 09:16:00 +02:00
Nikolaj Bjorner
e172aa370d add simplification rule to concatentations of regex to avoid stack overflow in derivatives of very long expressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-20 18:20:43 +02:00
CEisenhofer
41412293fe Let's try to justify bounds 2026-04-20 15:52:35 +02:00
Nikolaj Bjorner
64e7f29533 remove spurious include 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-16 04:57:27 +02:00
CEisenhofer
82df1afeaf tentative solution: use existing nullability check (we might want to check in the future which guards of the ITE are actually true) 2026-04-14 18:07:03 +02:00
Nikolaj Bjorner
725b13680e na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-14 08:39:22 -07:00
CEisenhofer
0c4e4ad702 Regex factorization missed some justifications 2026-04-14 17:19:07 +02:00
CEisenhofer
2db99473a3 Removed irrelevant information from membership constraints 2026-04-14 16:27:50 +02:00
CEisenhofer
3fdd903373 Bug if uninternalized literal becomes internalized and immediately false 2026-04-14 15:48:13 +02:00
CEisenhofer
ed4387c70e Log to file 2026-04-14 11:47:26 +02:00
Nikolaj Bjorner
acae332b13 add spp for easier pretty printing snode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-14 00:39:01 -07:00
Nikolaj Bjorner
53cc320efa deps 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-14 00:29:58 -07:00
Nikolaj Bjorner
68d7917653 debug printing for widening 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-13 12:16:03 -07:00
Nikolaj Bjorner
035ea95faa add pp methods 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-13 11:41:58 -07:00
CEisenhofer
9155ce85bb Removed unused function 2026-04-13 15:05:41 +02:00
CEisenhofer
d620f20c63 Simplify code 2026-04-13 14:06:16 +02:00
Nikolaj Bjorner
4dfb6f7a7d display node state 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-12 15:45:03 -07:00
Nikolaj Bjorner
1be70988b9 add logging for length / Parikh bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-12 15:34:22 -07:00
CEisenhofer
2b7204b07c Does model construction work properly now? 2026-04-10 17:59:16 +02:00
CEisenhofer
e6ef0d29c4 We need to check local consistency over and over again 2026-04-09 15:56:00 +02:00
CEisenhofer
09572b20ed Character ranges must be passed back to the solver 2026-04-09 15:21:12 +02:00
CEisenhofer
aafb704cf8 Bug fix in model extraction 2026-04-09 14:42:48 +02:00
CEisenhofer
d127055841 fix(nseq): handle empty children in apply_regex_factorization 2026-04-09 14:24:44 +02:00
CEisenhofer
a36254f104 Some more bug fixes 2026-04-09 13:47:29 +02:00
CEisenhofer
8eb0ac29d9 We have to check for local conflicts before clearing the flag 2026-04-09 11:42:30 +02:00
CEisenhofer
598e4ede4e Removed debug code 2026-04-09 11:03:18 +02:00
CEisenhofer
803018b7c3 We forgot relevant equations with one side being empty 2026-04-09 10:40:33 +02:00
CEisenhofer
684f93bed4 We should not stop eagerly on local conflicts 2026-04-08 20:13:54 +02:00
CEisenhofer
857e93fdb2 Substitutions are extensions 2026-04-08 19:13:10 +02:00
CEisenhofer
513f49f39c Debugging 2026-04-08 18:48:47 +02:00
CEisenhofer
86dc9d3268 We need to reset local conflicts 2026-04-08 18:24:11 +02:00
CEisenhofer
26ededa891 More debug info 2026-04-08 18:00:52 +02:00
CEisenhofer
26d36ba6ee Missing justification added 
Added check for correctness of conflict core
 2026-04-08 10:15:27 +02:00
CEisenhofer
c7e7b40d40 Fix 2026-04-08 09:27:46 +02:00