mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-05-01 21:05:52 +00:00
Code Activity
17846 commits 24 branches 48 tags 158 MiB
Commit graph

2006 commits

Author SHA1 Message Date
Nikolaj Bjorner
b9f6fc5130 debug buidl 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 13:55:57 -07:00
Nikolaj Bjorner
5549301335 remove unreachable code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 09:13:13 -07:00
Nikolaj Bjorner
b019477378 add cofactoring functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 09:11:42 -07:00
Nikolaj Bjorner
1defbc8aa4 Merge branch 'polysat' of https://github.com/z3prover/z3 into polysat 2021-06-30 01:05:42 -04:00
Nikolaj Bjorner
a374e739f1 prepare for tuned viable sets 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 01:05:34 -04:00
Jakob Rath
3436b52c4a
Polysat: refactor constraints (#5372) 
* Refactor: remove sign and dep from constraint

* fix some bugs

* improve log messages

* Add missing premises to lemma

* Rename getter in an attempt to fix linux build
 2021-06-25 11:04:25 -07:00
Nikolaj Bjorner
a0b0c1f428 with a fix 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-23 17:50:33 -07:00
Nikolaj Bjorner
4f0ec82957 functionally complete viable, needs to be debugged 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-23 17:44:52 -07:00
Nikolaj Bjorner
db242c28c6 make it C++17 friendly 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-23 15:20:59 -07:00
Jakob Rath
20a5baeb70
Polysat: expand conflict explanation rules (#5366) 
* update example to match slides

* Add normalized view of inequalities

* workaround

* Add a conflict explanation rule

* unit clauses should be asserted at the base level

* Add src constraint to interval

* support non-strict case in first rule

* print conflict constraints only once

* update second rule

* update third rule as well
 2021-06-23 10:12:39 -07:00
Nikolaj Bjorner
dec37aee34 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-22 21:01:17 -07:00
Nikolaj Bjorner
01c81405af remove var-constraint alltogether 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-22 20:58:32 -07:00
Nikolaj Bjorner
b9719768a0 more viable scaffolding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-22 20:55:56 -07:00
Nikolaj Bjorner
8f0c408c0a prepare for new viable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-22 20:44:21 -07:00
Nikolaj Bjorner
55daa2424c fix #5362 2021-06-22 12:26:27 -07:00
Jakob Rath
d7b8ea2f7f
Polysat: minor fixes (#5364) 
* update include paths

* bdd fixes

* update/fix some tests

* work around assertion failure when constraint from clause becomes unit

* Remove old code

* use clause_builder

* Verify model when returning SAT

* log

* fix
 2021-06-22 09:27:18 -07:00
Nikolaj Bjorner
52eb473c63 prepare viable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-21 21:55:20 -07:00
Nikolaj Bjorner
f18dccebc2 move tbv 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-21 21:12:46 -07:00
Nikolaj Bjorner
ce5c8b3066 rename to some saner name 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-21 16:19:37 -07:00
Nikolaj Bjorner
63f3c841d8 remove var_constraint to get rid of bdd dependencies 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-21 16:14:30 -07:00
Nikolaj Bjorner
9173306adc na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-21 16:00:13 -07:00
Nikolaj Bjorner
6f93ed8dc2 moving out viable functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-21 15:50:04 -07:00
Nikolaj Bjorner
19099244c4 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-20 12:38:20 -07:00
Nikolaj Bjorner
4fad0385de tune multiplication slightly 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-20 11:07:06 -07:00
Nikolaj Bjorner
d78313e001 more pp 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-20 10:13:59 -07:00
Nikolaj Bjorner
4066087138 pretty printing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-20 09:49:31 -07:00
Nikolaj Bjorner
4bcfcecbbb fix initialization/finalization order for bdd 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-19 23:11:06 -07:00
Nikolaj Bjorner
947ea66cad simplify output to use signed constants 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-18 17:39:13 -07:00
Nikolaj Bjorner
a049235caa simplify output to use signed constants 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-18 17:26:11 -07:00
Nikolaj Bjorner
f263045f96 modify mk_mul 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-18 17:18:16 -07:00
Nikolaj Bjorner
3da37f4fb5 add unit test driver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-18 10:58:42 -07:00
Nikolaj Bjorner
57df45dc16 Merge branch 'master' of https://github.com/z3prover/z3 into polysat 2021-06-18 10:02:33 -07:00
Jakob Rath
c4963f4381
Polysat: add two more prototype rules (#5355) 
* Add try_div to PDDs

* x>y is false when x==y

* First version of the other two prototype rules

* More band-aid fixes...
 2021-06-18 08:48:50 -07:00
Jakob Rath
3e1cfcd538
Polysat: conflict explanation prototype (#5353) 
* display constraint's extra info in one place

* Add stub for conflict explainer

* Add helper functions to check whether constraint is active at base level

* Add helper class tmp_assign

* Add clause_builder; it skips unnecessary literals during clause creation

* some fixes

* Use clause_builder for forbidden intervals

* remove old comments

* fixes/comments in solver

* print redundant clauses

* First pass at conflict_explainer

* remove unused model class

* Choose value for k

* also print min/max k
 2021-06-17 10:35:32 -05:00
Jakob Rath
1fe7dc40fe
Polysat: add simpler monotonicity unit test + minor changes (#5348) 
* Add simpler versions of monotonicity puzzle

* band-aid fix to conflicts during revert_decision

* minor changes
 2021-06-15 12:18:37 -05:00
Nikolaj Bjorner
c1ab7987f6 #5324 2021-06-07 11:41:35 -07:00
Lev Nachmanson
3a5b88e52b set status to CANCELLED on the total_iterations threshold bailout 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2021-06-07 07:34:16 -07:00
Nikolaj Bjorner
9afc59d5b4 #5324 2021-06-06 15:39:23 -07:00
Nikolaj Bjorner
7cd901019f #5324 2021-06-05 17:14:51 -07:00
Nikolaj Bjorner
5da4b29136 turn on parity test 2021-06-04 10:18:24 -07:00
Nikolaj Bjorner
0182187296 fix regression in arithmetic resource bound 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-03 11:41:42 -07:00
Nikolaj Bjorner
8a02167e30 get-universe 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-01 21:08:08 -07:00
Nikolaj Bjorner
3e773fba5e get-universe 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-01 21:07:48 -07:00
Nikolaj Bjorner
6a5cdd48e7 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-01 20:43:45 -07:00
Nikolaj Bjorner
ab3b387076 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-01 20:37:43 -07:00
Nikolaj Bjorner
45adfc6a66 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-01 20:31:05 -07:00
Nikolaj Bjorner
0e6d530518 std::cout 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-01 18:49:37 -07:00
Nikolaj Bjorner
2156c74d51 #4702 
initial gcd test implementation for accumulated parity constraints
 2021-06-01 15:26:36 -07:00
Nikolaj Bjorner
5127014f18 track cuts 2021-06-01 15:26:36 -07:00
Jakob Rath
8757f04d20
Polysat: disjunctive lemmas (#5311) 
* Add macro to disable linear solver for development

* Move new_* and add_* to header

* Add ref_vector_core::push_back(ref<T>&&)

* Attempt to simplify lifetime handling

* Make operator bool() explicit

* clause improvements

* display boolean assignment

* clause::resolve

* bug fixes

* more fixes

* final case of backtrack
 2021-05-28 13:53:08 -07:00