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18861 commits 46 branches 52 tags 178 MiB
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Author SHA1 Message Date
Nikolaj Bjorner
b52379fe88 update 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-27 20:20:51 -08:00
Nikolaj Bjorner
7cc58c9cc3 Merge branch 'master' of https://github.com/z3prover/z3 2022-12-27 20:19:39 -08:00
Nikolaj Bjorner
ec74a87423 fix #6510 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-27 20:19:26 -08:00
Nikolaj Bjorner
3e8cbb6611 #5884 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-27 18:07:57 -08:00
Nikolaj Bjorner
abef260d67 Merge branch 'master' of https://github.com/z3prover/z3 2022-12-27 12:03:49 -08:00
Nikolaj Bjorner
bc19992543 add doc for ackermannize 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-27 12:02:08 -08:00
Clemens Eisenhofer
28e9014401 Merge branch 'polysat' of https://github.com/Z3Prover/z3 into polysat 2022-12-27 08:48:04 +01:00
Clemens Eisenhofer
4b8577eaa2 Reverted unintended changes 2022-12-27 08:47:27 +01:00
Clemens Eisenhofer
39a4bb025b Propagate assignment if all bits are assigned and use better justification if any found 2022-12-27 08:44:55 +01:00
Nikolaj Bjorner
8d332cc3a1
#6508 (#6509) 2022-12-26 15:42:04 -08:00
Nikolaj Bjorner
6fab4fec23
#6508 2022-12-26 15:36:58 -08:00
Nikolaj Bjorner
b9c4f5d4fa #6506 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-25 18:33:01 -08:00
Nikolaj Bjorner
8efaaaf249 Fix #6503 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-25 17:29:06 -08:00
Nikolaj Bjorner
67b9ecbd97 missing disequality parity constraint 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-25 16:13:26 -08:00
Nikolaj Bjorner
4c6499f28b updated notes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-25 15:28:34 -08:00
Nikolaj Bjorner
be5b6f2839 add analysis 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-25 15:14:40 -08:00
Nikolaj Bjorner
403a126642 remove try_factor_equality1 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-25 11:37:55 -08:00
Clemens Eisenhofer
52eefb6e85 Some more commenting 2022-12-25 12:51:13 +01:00
Clemens Eisenhofer
74ec28201e Merge remote-tracking branch 'Z3Prover/polysat' into polysat 2022-12-25 12:41:39 +01:00
Clemens Eisenhofer
674e309fa3 ... and backtracking for bits 2022-12-25 12:23:49 +01:00
Nikolaj Bjorner
49a7f8446d disable match_non_max and match_non_zero 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-24 15:19:37 -08:00
Nikolaj Bjorner
e978b81c7a add review comment to bug location 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-24 12:40:47 -08:00
Nikolaj Bjorner
48cd05c725 introduce try_factor_equality2, disabled as it exposes new bugs. Old bug on bench15.smt2 exposed in debug mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-24 12:05:54 -08:00
Clemens Eisenhofer
173fb9c2bd Bit-Propagation for most operations (Backtracking missing) 2022-12-24 16:37:53 +01:00
Nikolaj Bjorner
4e0604bc22 add hooks for multiplication overflow 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-23 15:48:03 -08:00
Nikolaj Bjorner
d18a2427a4 notes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-23 14:57:56 -08:00
Nikolaj Bjorner
50cbe2659a extract multiple bounds for upper/lower bound 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-23 14:52:41 -08:00
Nikolaj Bjorner
9275930f50 fix bug in add-overflow propagation, move to use viable to mind for bounds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-23 13:38:51 -08:00
Nikolaj Bjorner
9fefa0040f added updated bounds propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-23 12:47:17 -08:00
Nikolaj Bjorner
6f8fb39bc9 added updated bounds propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-23 12:29:47 -08:00
Jakob Rath
fda93c97f5 Try bounds propagation for the example case 2022-12-23 18:15:40 +01:00
Jakob Rath
993996c8a5 Negate premise in lemma; fixes (or at least hides) the segfault 2022-12-23 17:18:10 +01:00
Jakob Rath
19e44e4f57 update tests 2022-12-23 11:44:10 +01:00
Jakob Rath
68b74ca6a7 parity debugging 2022-12-23 11:42:45 +01:00
Nikolaj Bjorner
1434c1117c wip - initial stab at bounds propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-22 21:49:33 -08:00
Nikolaj Bjorner
ce5cbefc56 fix missing parity propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-22 17:54:40 -08:00
Nikolaj Bjorner
86589c2553 Merge branch 'polysat' of https://github.com/z3prover/z3 into polysat 2022-12-22 12:10:31 -08:00
Nikolaj Bjorner
ed6f7ee9ff adding addition overflow bounds propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-22 12:10:24 -08:00
Jakob Rath
f025d0ad63 Disable merging of p<q and p=q in lemmas for now (cf. test_band5) 2022-12-22 19:25:50 +01:00
Jakob Rath
fa0a481fc8 Fix verbose logs 2022-12-22 19:25:31 +01:00
Jakob Rath
0cfc0af7ee no need to alloc sets 2022-12-22 18:55:18 +01:00
Jakob Rath
29a547e0b4 forbidden_intervals::match_max 2022-12-22 18:28:18 +01:00
Jakob Rath
8096e82101 remove unnecessary check 2022-12-22 18:22:10 +01:00
Jakob Rath
b42b027a40 Add stub for match_max 2022-12-22 17:47:33 +01:00
Jakob Rath
516eb55442 forbidden_intervals::match_non_max 2022-12-22 17:39:16 +01:00
Jakob Rath
3739372776 remove commented code 2022-12-22 17:38:17 +01:00
Jakob Rath
9207bb5d1e Add test 2022-12-22 16:37:32 +01:00
Jakob Rath
e57bcdfeab Strengthen forbidden_intervals::match_non_zero 2022-12-22 16:30:23 +01:00
Jakob Rath
21ea05b31c Weaken evaluation for new constraints in viable lemma 2022-12-22 16:24:27 +01:00
Jakob Rath
be20c0d54e Less allocation during lookup, remove unused argument 2022-12-22 15:09:18 +01:00