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16327 commits 61 branches 52 tags 177 MiB
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1174 commits

Author SHA1 Message Date
Nikolaj Bjorner
431c3af409 fix #5929 - add parameter bv_le2extract to allow disabling the disassembly to extract 2022-03-27 18:23:41 -10:00
Nikolaj Bjorner
f1806d32d6 remove buggy code, close, fix #5825 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-03-20 13:25:44 -07:00
Nikolaj Bjorner
c51ca86203 add another constant folding case 2022-03-10 17:39:40 -08:00
Nikolaj Bjorner
e839e18381 minimal addition to rewrite bit-vector to character conversion using constant folding. 2022-03-10 17:31:17 -08:00
Nikolaj Bjorner
081c62d006 allow range comparison for bit-vectors and int/real 2022-03-10 17:08:49 -08:00
Nikolaj Bjorner
11030fc81d disable unsound mk_seq_butlast 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-02-21 18:56:49 -08:00
Nikolaj Bjorner
91045d3e4a two words 2022-02-20 10:29:57 +02:00
Nikolaj Bjorner
9a4d6cee6c overhead with push-ite on shared terms 2022-02-14 19:36:14 +02:00
Nikolaj Bjorner
3d26b501e7 fix #5827 #5828 2022-02-14 10:31:04 +02:00
Nikolaj Bjorner
773e829c58 #5804 2022-01-31 10:16:09 -08:00
Nikolaj Bjorner
913b90f7aa fix #5802 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-30 10:42:34 -08:00
Nikolaj Bjorner
2551631957 mul overflow #5797 2022-01-29 09:15:38 -08:00
Nikolaj Bjorner
5e81c1220c #5797 probably still wrong wrt underflow. 2022-01-27 12:48:15 -08:00
Nikolaj Bjorner
4da930b490 #5794 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-27 10:50:48 -08:00
Nikolaj Bjorner
461e71017d fix #5792 again 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-26 15:54:44 -08:00
Nikolaj Bjorner
20f9814939 fix #5789 
fix incorrect constant folding
 2022-01-24 09:42:14 +01:00
Nikolaj Bjorner
007af9cb8a fix #5784 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-21 03:08:03 +01:00
Nadav Rotem
9f9543ef69
Fix unused variable warnings. (#5760) 
This commit fixes a few cases of unused variables in release builds.
The commit uses the (void)xxx; syntax which is used in other parts of
the code.
 2022-01-08 18:18:30 -08:00
Nikolaj Bjorner
199daead50 remove Z3_bool_opt #5757 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-07 11:52:10 -08:00
Nikolaj Bjorner
8e3185ffe3 remove dual solver approach 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-03 14:08:01 -08:00
Nikolaj Bjorner
9d3c8a6a2f na 2022-01-01 17:59:31 -08:00
Nikolaj Bjorner
42219204ed sketch replace_all 2022-01-01 17:39:37 -08:00
Nikolaj Bjorner
aa901c4e88 axiom solver improvements 2021-12-31 11:53:40 -08:00
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
Margus Veanes
5afb95b34a
improved subset checking for regexes with counters (#5731) 2021-12-22 17:53:34 -08:00
Margus Veanes
1d9aad6ea9
improved regex merging avoiding unsat nontermination (#5728) 2021-12-20 17:44:06 -08:00
Margus Veanes
be38b256c8
fixed bug in is_char_const_range (#5724) 2021-12-19 17:46:42 -08:00
Margus Veanes
25d54ebb40
fixing regression of issue 1224 (#5723) 2021-12-19 14:07:53 -08:00
Margus Veanes
a7b1db611c
State graph dgml update and fixes in condition simplifier (#5721) 
* improved generated dgml graph

* fixed simplification of negated ranges and did some code cleanup

* do not make loops with lower=upper=0, this is epsilon

* do not add loops with lower=upper=1

* bug fix in normalization: forgotten eps case
 2021-12-19 11:09:55 -08:00
Nikolaj Bjorner
8ca023d541 expose propagate created 2021-12-17 16:12:47 -08:00
Nikolaj Bjorner
e1ffaa7faf na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-17 11:34:57 -08:00
Nikolaj Bjorner
6963451704 na 2021-12-16 20:13:29 -08:00
Nikolaj Bjorner
5974200444 fixes to previous push and streamlining 2021-12-16 20:06:49 -08:00
Nikolaj Bjorner
4e82a9af5f pin expressions 2021-12-16 19:41:32 -08:00
Margus Veanes
a288f9048a
Update regex union and intersection to maintain ANF (#5717) 
* added merge for unions and intersections

* added normalization rules to ensure ANF

* fixing PR comments related to merge
 2021-12-16 19:19:36 -08:00
Margus Veanes
2be93870c8
Cleanup regex info and some fixes in Derivative code (#5709) 
* removed unused regex info fields

* cleanup of info and fixes in antimirov derivatives

* removed extra qualification on operator
 2021-12-15 10:59:34 -08:00
Nikolaj Bjorner
03b5380a20 na 2021-12-14 13:39:52 -08:00
Nikolaj Bjorner
b1d167de5b fix co-factoring' 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-14 10:12:38 -08:00
Nikolaj Bjorner
f40becf099 remove case for non-emptiness to combine with standard membership 
as part of revising engine for addressing #5693
 2021-12-13 18:17:40 -08:00
Nikolaj Bjorner
51fa40ece5 fix spelling 2021-12-09 10:23:37 -08:00
Nikolaj Bjorner
e45ae32685 unsound equality propagation #5676 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-08 09:02:05 -08:00
Nikolaj Bjorner
a5bd115235 replace_re axiom placeholder 
@ahelwer - illustrates placeholder for one approach for axiomatizing replace_re
 2021-12-08 03:40:24 -08:00
Nikolaj Bjorner
87aec8819f fix #5687 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-01 10:08:29 -08:00
Nikolaj Bjorner
c083aa82ee add debug information in user-propagate #5687 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-29 08:59:53 -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
bc2020a39b #5604 
retain array interpretation when available
 2021-10-17 20:24:26 -07:00
Margus Veanes
f78546cd7c
fixed bug of computing butlast of a sequence (#5602) 2021-10-15 18:02:51 -07:00
Margus Veanes
cb120c93f4
Regex range bug fix (#5601) 
* added a missing derivative case for nonground range

* further missing cases and a bug fix in re.to_str
 2021-10-15 15:30:55 -07:00
Nikolaj Bjorner
9a76bf0aa2 #5591 
nth issue
 2021-10-12 13:59:28 -07:00
Nikolaj Bjorner
52032b9ef8 #5467 2021-10-12 10:16:15 -07:00