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19187 commits 45 branches 52 tags 177 MiB
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Author SHA1 Message Date
Nikolaj Bjorner
ac105b7d8c remove unused code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-19 11:47:00 -08:00
Nikolaj Bjorner
4350bd77ac check cancel flag to avoid unsound conflicts 2023-11-19 11:43:52 -08:00
Nikolaj Bjorner
32f8705ac3 #7001 - align is_numeral without to behavior if is_numeral with return numeral. 2023-11-19 10:43:14 -08:00
Nikolaj Bjorner
35bc522dae #7003 
minor tweaks to gomory and reset n3 within loop (but the entire function is dead code).
 2023-11-19 09:59:44 -08:00
Nikolaj Bjorner
924c296704 add logging 2023-11-18 12:30:40 -08:00
Nikolaj Bjorner
5bec982cc5 chores in theory_lra 2023-11-18 10:05:26 -08:00
Nikolaj Bjorner
e40b8a2d13 household chores in legacy arithmetic solver 2023-11-18 09:56:06 -08:00
Nikolaj Bjorner
5ab1afe5c2 expose enode pp convenciences 2023-11-18 09:53:20 -08:00
Nikolaj Bjorner
1710fe4927 use iterator shortcut 2023-11-18 09:52:58 -08:00
Nikolaj Bjorner
a9f9d3ddf4 build fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-17 10:15:01 -08:00
Nikolaj Bjorner
b9455c3692 #6999 deal with implicit assumptions, more robust pattern matching 
The code is making some assumptions that arrays are 1-dimensional. This is not generally true.
Introducing pattern matching to ensure the assumption is met.
Avoid get_arg(..) especially when there is an approach based on pattern matching recognizers.
 2023-11-17 10:06:20 -08:00
Nikolaj Bjorner
6d6d6b8ed0 build issue 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-17 09:20:17 -08:00
Hari Govind V K
f94a475da3
Qel fixes (#6999) 
* dont use qel for sequences. fix #6950

* handle negation of read-write. fix #6991

* handle neg-peq terms produced by distinct. fix #6889

* dbg print
 2023-11-17 09:18:04 -08:00
Nikolaj Bjorner
1b6c7d6541 fix #6996 2023-11-16 18:58:24 -08:00
Christoph M. Wintersteiger
36382ccb57
Fix memory and concurrency issues in OCaml API (#6992) 
* Fix memory and concurrency issues in OCaml API

* Undo locking changes
 2023-11-16 18:28:12 -08:00
Nikolaj Bjorner
5b9fdcf462 fix #6997 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-15 18:08:48 -08:00
Nikolaj Bjorner
f1a39b8884 add comment regarding usage model for flush_objects() to relate with pr #6992 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-15 11:54:59 -08:00
Christoph M. Wintersteiger
3baaba5edd
Revert unsound NaN constraints in theory_fpa (#6993) 2023-11-14 14:28:30 -08:00
Nikolaj Bjorner
c0ee4e9613 pip install importlib resources 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-14 10:02:24 -08:00
Nikolaj Bjorner
1ce95d3859 pip install importlib resources 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-14 10:01:13 -08:00
Nikolaj Bjorner
37b283fab9 use python3 in nightly 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-14 08:54:10 -08:00
Nikolaj Bjorner
7ed27a1f41 prepare release script 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-14 08:48:19 -08:00
Nikolaj Bjorner
ad2107f079 fix #6978 2023-11-14 08:45:22 -08:00
Nikolaj Bjorner
4406011881 fix #6984 2023-11-14 07:40:32 -08:00
Nikolaj Bjorner
3c2e97ddb6 fix #6988 2023-11-14 07:30:32 -08:00
Nikolaj Bjorner
c2610cb37c #6523 
malformed models on giveup status
 2023-11-13 14:32:53 -08:00
Nikolaj Bjorner
8a4e857294 #6523 
regressions from changes inside math/lp/int_solver
 2023-11-13 14:28:03 -08:00
Nikolaj Bjorner
3de5af3cb0 fix bug in bound simplification in Gomory for mixed integer linear cuts, enable fixed variable redution after bugfix, add notes that rewriting bounds does not work 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-10 16:39:04 +01:00
EyalBrilling
aa9c7912dc
fixed possible undefined variable assigment (#6985) 2023-11-10 11:36:24 +01:00
Nikolaj Bjorner
0556059bdf change to expr_ref to allow trying simplification 2023-11-08 13:50:48 +01:00
Nikolaj Bjorner
bd4d580b17 fix #6986 2023-11-08 13:49:30 +01:00
Nikolaj Bjorner
e6385f8c85 disable bound validation in debug mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-07 20:49:26 +01:00
Nikolaj Bjorner
3d99ed9dd4 Gomory cut / branch and bound improvements 
Improve fairness of cut generation by switching to find_infeasible_int_var with cascading priorities, allow stronger cuts by inlining terms.
 2023-11-07 19:59:02 +01:00
Nikolaj Bjorner
9f0b3cdc25 Add utility to expand sub-terms 2023-11-07 19:58:32 +01:00
Nikolaj Bjorner
fb95760137 remove template 2023-11-07 19:57:50 +01:00
Nikolaj Bjorner
77dab53e9e track number of Gomory cuts 2023-11-07 19:57:49 +01:00
Nikolaj Bjorner
2d1f4d5d93 remove verbose logging 2023-11-07 19:57:49 +01:00
Nikolaj Bjorner
e86eae27e6 #6523 and other heap-use-after-free error 2023-11-07 19:57:49 +01:00
Nikolaj Bjorner
eed02b6d86 improved logging, use C++11 for loops instead of iterators 2023-11-07 19:57:49 +01:00
Lev Nachmanson
14312ef8a3 remove some warnings with clang 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-11-02 15:34:41 -07:00
Lev Nachmanson
08d3a82ce0 simplify the jump on entering 2023-11-02 11:09:01 -07:00
Lev Nachmanson
bdf1fcf5c1 remove an assert 2023-11-02 09:59:03 -07:00
Lev Nachmanson
ca6cb0af95 add changes in lp with validate_bound and maximize_term 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-11-02 09:59:03 -07:00
AE1020
ebd4d1a300
WARNINGS_AS_ERRORS is ON/OFF, not TRUE/FALSE (#6979) 2023-11-02 10:58:09 +01:00
Nikolaj Bjorner
49a071988c remove temporary algebraic numbers from upper layers, move to owner module 2023-11-01 03:52:20 -07:00
Nikolaj Bjorner
ea915e5b37 #6971 
clear m_a1, m_a2 before calls that may affect model.
 2023-11-01 03:36:01 -07:00
Christoph M. Wintersteiger
3af2b36cd7
Add Z3_solver_interrupt to OCaml API (#6976) 2023-10-31 08:48:06 -07:00
Nikolaj Bjorner
91c2139b5d just use std::string 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-30 17:56:44 -07:00
Nikolaj Bjorner
fe6f38a160 #6951, fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-30 15:31:56 -07:00
Nikolaj Bjorner
c82b7dd241 Merge branch 'master' of https://github.com/z3prover/z3 2023-10-30 14:54:11 -07:00