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184 commits

Author SHA1 Message Date
Nikolaj Bjorner
8fe357f1f2
Nlsat simplify (#7227)
* dev branch for simplification

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* bug fixes

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* bugfixes

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix factorization

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* separate out simplification functionality

* reorder initialization

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* reorder initialization

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* Update README.md

* initial warppers for seq-map/seq-fold

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* expose fold as well

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add C++ bindings for sequence operations

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add abs function to API

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add parameter validation to ternary and 4-ary functions for API #7219

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add pre-processing and reorder

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add pre-processing and reorder

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

---------

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-05-14 22:19:33 -07:00
Nikolaj Bjorner
8f4ffc7caf add logging for first conflict
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-05-01 20:50:52 -07:00
Nikolaj Bjorner
04c55c34e5 fix unsoundness bug
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-05-01 14:45:15 -07:00
Nikolaj Bjorner
869643a551 fix memory leak 2024-05-01 10:07:37 -07:00
Nikolaj Bjorner
1ef4354080 fix build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-04-30 17:52:00 -07:00
Nikolaj Bjorner
aa1a596394 add doc-string 2024-04-30 17:05:40 -07:00
Nikolaj Bjorner
29e724f787 add gc to lemmas, convert bounds constraints to lemmas, add simplification pre-processing beyond equality extraction 2024-04-30 17:05:21 -07:00
Nikolaj Bjorner
4c070f9e76 add extra fields to nlsat-clause 2024-04-30 17:00:05 -07:00
Nikolaj Bjorner
bebcd94703 enable logging nla lemmas
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-04-25 10:29:34 -04:00
Nikolaj Bjorner
c18a42cf5b change signed projection to include root object. 2024-03-23 16:14:24 -04:00
Nikolaj Bjorner
f840d5d965 na
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-03-20 21:29:13 -07:00
Nikolaj Bjorner
70d2263a85 cast, updated nlexplain 2024-03-20 21:29:08 -07:00
Lev Nachmanson
730f9ad9b7 Nikolaj's fix in add_zero_assumption
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2024-03-20 09:39:20 -10:00
Lev Nachmanson
4d06c399cc replace DEBUG_CODE by #ifdef Z3DEBUG in nlsat
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2024-02-13 10:51:44 -10:00
Nikolaj Bjorner
c40e72aaa3 include debug output 2024-02-05 15:31:33 -08:00
Nikolaj Bjorner
f4eaa6fc98 improve logging
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-02-05 14:41:29 -08:00
Nikolaj Bjorner
683070a175 finish encoding of n'th root
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-02-05 10:44:41 -08:00
Nikolaj Bjorner
8555f25587 add todo note, and log more lemmas
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-02-04 21:08:04 -08:00
Nikolaj Bjorner
d743e1b47c add note that the encoding is a first approximation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-02-04 19:11:35 -08:00
Nikolaj Bjorner
b9528b1c56 update self-validator to handle root expressions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-02-04 19:06:30 -08:00
Nikolaj Bjorner
1b94d43a8b fix build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2024-01-24 08:52:56 -08:00
Nikolaj Bjorner
fad428381a prepare for integer intervals 2024-01-23 15:33:48 -08:00
Nikolaj Bjorner
98c9fa7faf prepare for handling integer intervals 2024-01-23 15:29:11 -08:00
Nikolaj Bjorner
be7856c57d fix #7027
TODO: review old nlsat bugs for effect of this fix.
2024-01-23 14:56:15 -08:00
Nikolaj Bjorner
125a82bea5 improved diagnostics 2024-01-22 16:23:55 -08:00
Nikolaj Bjorner
0ebd8d655b prepare for printing more cases of root objects in SMT 2024-01-22 15:48:45 -08:00
Bruce Mitchener
50e0fd3ba6
Use noexcept more. (#7058) 2023-12-16 12:14:53 +00:00
Nikolaj Bjorner
924c296704 add logging 2023-11-18 12:30:40 -08:00
Nikolaj Bjorner
4f7f4376b8 fix bug in new core not detecting conflict, fix #6525, add tactic doc
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2023-01-14 17:20:43 -05:00
Nikolaj Bjorner
6297c001ee remove legacy solve_eqs_tactic entirely
also, bug fixes to elim_unconstrained (elim_uncnstr2) which is to replace legacy tactic for eliminating unconstrained constants.
2022-11-14 18:57:16 -08:00
Nikolaj Bjorner
3a37cfca30 switch to solve_eqs2 tactic 2022-11-08 12:23:36 -08:00
Nikolaj Bjorner
1dca6402fb move model and proof converters to self-contained module 2022-11-03 05:23:01 -07:00
Nikolaj Bjorner
6f2a6da600 address unused variable warnings
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2022-08-28 18:50:54 -07:00
Bruce Mitchener
5d0dea05aa
Remove empty leaf destructors. (#6211) 2022-07-30 10:07:03 +01:00
Bruce Mitchener
1eb84fe4b9
Mark override methods appropriately. (#6207) 2022-07-29 23:29:15 +02:00
Nuno Lopes
d9fcfdab34 fix debug build 2022-06-17 14:35:33 +01:00
Nikolaj Bjorner
fc77345bec breaking change. Enforce append semantics everywhere for parameter updates #5744
Replace semantics doesn't work with assumptions made elsewhere in code.
The remedy is to apply append (override) semantics for parameter changes.
2021-12-30 19:11:14 -08:00
Nikolaj Bjorner
9f2b18cac5 add tactic name
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-12-07 13:37:57 -08:00
Henrich Lauko
96671cfc73
Add and fix a few general compiler warnings. (#5628)
* rewriter: fix unused variable warnings

* cmake: make missing non-virtual dtors error

* treewide: add missing virtual destructors

* cmake: add a few more checks

* api: add missing virtual destructor to user_propagator_base

* examples: compile cpp example with compiler warnings

* model: fix unused variable warnings

* rewriter: fix logical-op-parentheses warnings

* sat: fix unused variable warnings

* smt: fix unused variable warnings
2021-10-29 15:42:32 +02:00
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
Nuno Lopes
5e034e495f fix compiler warnings 2021-02-19 10:33:41 +00:00
Nikolaj Bjorner
25f53c0467 deal with warnings reported in https://launchpadlibrarian.net/522361319/buildlog_ubuntu-groovy-s390x.z3_4.8.10-1ubuntu4ppa1_BUILDING.txt.gz
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-02-11 13:49:47 -08:00
Nikolaj Bjorner
df0a449f70 fix some build warnings exposed in #5005
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-02-08 10:58:42 -08:00
Nikolaj Bjorner
b56372fe76 fix some build warnings exposed in #5005
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-02-08 10:57:50 -08:00
Nikolaj Bjorner
7d60d8462d patch for Sturm sequence bug #4961 2021-01-24 12:58:25 -08:00
Nikolaj Bjorner
c7704ef9af pass algebraic manager to arith-plugin mk-numeral because rational check may overwrite the argument using the current manager deals with crash as part of #4532
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-07-26 17:52:28 -07:00
Nuno Lopes
23e6adcad3 fix a couple hundred deref-after-free bugs due to .c_str() on a temporary string 2020-07-11 20:24:45 +01:00
Nikolaj Bjorner
d0e20e44ff booyah
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-07-04 15:56:30 -07:00
Nikolaj Bjorner
d75ce38016 fix #4552
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-06-30 19:14:55 -07:00
Nikolaj Bjorner
9ca5b3f304 fix #4449
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-06-03 21:10:07 -07:00