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17268 commits 42 branches 51 tags 169 MiB
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95 commits

Author SHA1 Message Date
Nikolaj Bjorner
59b7845c7d reset visited (fast mark) to not clash with occurs 2022-11-17 17:36:21 +09:00
Nikolaj Bjorner
1646a41b2f minor fixes 
- ensure mk_extract performs simplification to distribute over extract and removing extract if the range is the entire bit-vector
- ensure bool_rewriter simplifeis disjunctions when applicable.
 2022-11-02 08:44:55 -07:00
Nikolaj Bjorner
7b3a634b8d wip - features and bug-fixes to proof logging 2022-10-18 07:54:49 -07:00
Nikolaj Bjorner
ac1552d194 wip - updates to proof logging and self-checking 
move self-checking functionality to inside sat/smt so it can be used on-line and not just off-line.

when self-validation fails, use vs, not clause, to check. It allows self-validation without checking and maintaining RUP validation.

new options sat.smt.proof.check_rup, sat.smt.proof.check for online validation.

z3 sat.smt.proof.check=true sat.euf=true /v:1 sat.smt.proof.check_rup=true /st file.smt2 sat.smt.proof=p.smt2
 2022-10-16 23:33:30 +02:00
Nikolaj Bjorner
9be8fc7857 Add EUF (congruence closure) proof hints and checker to the new core 
EUF proofs are checked modulo union-find.
Equalities are added to to union-find if they are assumptions or if they can be derived using congruence closure. The congruence closure assumptions are added as proof-hints.
Note that this proof format does not track equality inferences, symmetry and transitivity. Instead they are handled by assuming a union-find based checker.
 2022-09-25 14:26:20 -07:00
Nikolaj Bjorner
51ed13f96a update topological sort to use arrays instead of hash tables, expose Context over Z3Object for programmability 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-06-08 06:28:24 -07:00
Nikolaj Bjorner
815c971c9a #5778 
regression when tracking literal explanations
 2022-03-22 01:55:43 -07:00
Nikolaj Bjorner
20bd59bb20 #5778 - missed tracking literal assignment justification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-03-21 10:15:00 -07:00
Nikolaj Bjorner
cd56d55e34 #5753 2022-01-16 09:31:16 -08:00
Nikolaj Bjorner
d1fb831030 relevancy overhaul 2022-01-04 16:03:31 -08:00
Nikolaj Bjorner
84f514a4f4 throttle ackerman on arrays 2022-01-01 15:33:33 -08:00
Nikolaj Bjorner
e8833f4dac working on relevancy=3 2021-12-30 17:07:14 -08:00
Nikolaj Bjorner
b87b464e69 set relevancy flag on enode 2021-12-29 17:57:28 -08:00
Nikolaj Bjorner
28bce8f09c working on relevant 2021-12-28 11:00:02 -08:00
Nikolaj Bjorner
281fb67d88 unit propagate with fingerprints 2021-10-04 20:01:46 -07:00
Nikolaj Bjorner
137e5c5263 fix tmp_eq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-28 14:28:41 -07:00
Nikolaj Bjorner
67ae75bac7 fix tmp_eq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-28 14:27:46 -07:00
Nikolaj Bjorner
92c1b600c3 tuning eval 2021-09-28 09:56:00 -07:00
Nikolaj Bjorner
18d1b368d1 #5532 2021-09-21 20:12:32 -07:00
Nikolaj Bjorner
9c5ef79701 #5532 2021-09-04 09:05:49 -07:00
Nikolaj Bjorner
0b063f7903 #5518 2021-08-31 12:50:24 -07:00
Nikolaj Bjorner
4b3b4b95d9 missing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-08-23 10:03:34 -07:00
Nikolaj Bjorner
2a682e4b13 #5482 
tricky one
 2021-08-23 10:01:53 -07:00
Nikolaj Bjorner
fde8808a40 #5454 2021-08-11 16:59:46 -07:00
Nikolaj Bjorner
178262fc12 #5454 2021-08-11 09:30:03 -07:00
Nikolaj Bjorner
31267e6ab8 #5429 2021-07-30 14:55:59 -07:00
Nikolaj Bjorner
32beb91efa sat.euf add missing function 2021-07-22 19:17:17 -07:00
Nikolaj Bjorner
644bd82ac7 #5422 2021-07-21 09:08:55 -07:00
Nikolaj Bjorner
7d915eb295 #5417 - revise q_eval based on bug based on non-chronological dependencies with post-hoc explain function 2021-07-19 07:40:46 -07:00
Nikolaj Bjorner
e8bc9f3469 #5417 
https://github.com/Z3Prover/z3/issues/5417#issuecomment-882050602
 2021-07-18 10:44:30 -07:00
Nikolaj Bjorner
ed9341e3b0 #5336 2021-06-19 22:22:56 -07:00
Nikolaj Bjorner
8d37495b7c merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-19 22:22:41 -07:00
Nikolaj Bjorner
f7d1cce69a #5336 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-19 22:12:52 -07:00
Nikolaj Bjorner
d016cb1da5 #5336 2021-06-16 23:57:44 -05:00
Nikolaj Bjorner
38fc97d18c #5336 2021-06-16 17:47:49 -05:00
Nikolaj Bjorner
df95ed64e0 #5324 2021-06-05 15:44:47 -07:00
Nikolaj Bjorner
51a4db862a #5223 2021-05-02 10:40:22 -07:00
Nikolaj Bjorner
decbf4be11 fix undo record for lblset 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-04-29 14:06:18 -07:00
Nikolaj Bjorner
308f399224 #5215 converting NYI 2021-04-27 16:19:54 -07:00
Nikolaj Bjorner
b1e8303257 #5211 2021-04-24 10:23:09 -07:00
Nikolaj Bjorner
b5496d823d #5211 2021-04-22 23:14:28 -07:00
Nikolaj Bjorner
5d49cb5519 #5211 2021-04-22 22:42:05 -07:00
Nikolaj Bjorner
4a6083836a call it data instead of c_ptr for approaching C++11 std::vector convention. 2021-04-13 18:17:35 -07:00
Nikolaj Bjorner
0b8939d86e self-contained function for merge_tf 2021-03-16 15:24:48 -07:00
Nikolaj Bjorner
830f314a3f fixes to dt_solver and related 2021-02-27 11:03:20 -08:00
Nikolaj Bjorner
a152bb1e80 remove template Context dependency in every trail object 2021-02-08 15:41:57 -08:00
Nikolaj Bjorner
8f577d3943 remove ast_manager get_sort method entirely 2021-02-02 13:57:01 -08:00
Nikolaj Bjorner
3ae4c6e9de refactor get_sort 2021-02-02 04:45:54 -08:00
Nikolaj Bjorner
46f754c43d add priority queue to instantiation 2021-01-31 16:17:52 -08:00
Nikolaj Bjorner
657ed4db7a fix relevancy bug for recfun 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-01-30 07:19:57 -08:00