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13943 commits 24 branches 48 tags 158 MiB
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11755 commits

Author SHA1 Message Date
Murphy Berzish
e9eec5349d
z3str3: improve vector handling in simplify_parent (#4413) 2020-05-28 09:59:42 -07:00
Murphy Berzish
882777fc1d
z3str3: track the scope of library-aware terms for axiom setup (#4420) 2020-05-28 09:59:28 -07:00
Murphy Berzish
3b0c8a7ff9
fix logic for disabling theory case split heuristic (#4397) 2020-05-28 09:57:44 -07:00
Murphy Berzish
71ea7287bb
z3str3: detect and give up when symbolic automaton construction fails (#4384) 
typically this will happen due to non-constant terms in a RegLan expression
 2020-05-28 09:57:33 -07:00
Murphy Berzish
ccebd4db59
z3str3: allow leading zeroes in str.to_int (#4381) 2020-05-28 09:57:22 -07:00
Murphy Berzish
f3b2a082ae
z3str3: make counterexamples less naive, and check regex membership more efficiently (#4358) 
* z3str3: make counterexamples less naive, and check regex membership more efficiently

* z3str3: construct even better counterexamples for regex membership
 2020-05-28 09:57:08 -07:00
Nikolaj Bjorner
56bf4c144b fix #4471 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-27 14:19:59 -07:00
Nikolaj Bjorner
f0178a87f5 remove old README 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-27 14:04:43 -07:00
Nikolaj Bjorner
90708576fe from #4468 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-27 14:04:30 -07:00
Nikolaj Bjorner
87f8da022e fix non-empty -> empty typo 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-27 12:13:25 -07:00
Nikolaj Bjorner
dbd90e5f86 dbg proagate_eq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-27 10:33:45 -07:00
Nikolaj Bjorner
9dd8ebb474 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-27 10:10:25 -07:00
Nikolaj Bjorner
94ffd63b51 change to iterative unfolding left build broken for some time 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-26 21:25:53 -07:00
Nikolaj Bjorner
9764007c97 lorem ipsum 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-26 20:55:02 -07:00
Nikolaj Bjorner
0c2c1861f1 add general purpose emptiness/non-emptiness check 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-26 20:50:18 -07:00
Nikolaj Bjorner
88e36c6bf3 add general purpose emptiness/non-emptiness check 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-26 20:42:21 -07:00
Nikolaj Bjorner
33cdc06eb4 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-26 13:37:49 -07:00
Nikolaj Bjorner
a1991d803f add some notes to regex 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-26 13:30:52 -07:00
Nikolaj Bjorner
5e79eb62fd add some notes to regex 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-26 13:30:52 -07:00
Lev Nachmanson
9336e823ed make propagating on bounds on monomials and calling nra the default options 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-26 12:44:47 -07:00
Lev Nachmanson
52fdb4d291 fix issue https://github.com/Z3Prover/z3/issues/4438 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-26 12:44:47 -07:00
Lev Nachmanson
caa384f6c9 make m_inf_set private and cosmetic improvements in nla patching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-26 12:44:47 -07:00
Nuno Lopes
d8cea7c8d5 fix a few warnings & simplify debug.h header 2020-05-26 13:49:13 +01:00
Nikolaj Bjorner
a97bc65af4 hoist co-factors eagerly without adding axioms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-25 15:10:45 -07:00
Nikolaj Bjorner
e938ee33bb na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-25 14:11:59 -07:00
Nikolaj Bjorner
4e01d5b5c1 tune axioms for derivatives 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-25 14:11:59 -07:00
Lev Nachmanson
97b480ded3
Expl (#4462) 
* cleaner API for explanation

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* remove an unnecessery check

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* expl

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-24 17:06:39 -07:00
Nikolaj Bjorner
d6ad371934 avoid div/mod axioms on 0 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-23 16:37:40 -07:00
Nuno Lopes
7a12cebd41 remove unused file 2020-05-24 00:10:40 +01:00
Nikolaj Bjorner
24df35a83e guard derivative code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-23 16:02:10 -07:00
Nikolaj Bjorner
eb3f20832e initial pass at using derivatives in regex unfolding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-23 11:53:07 -07:00
Nuno Lopes
903725314c fix gcc 9/10 warnings 2020-05-23 16:39:09 +01:00
Nikolaj Bjorner
d1d14111cb turn on Unicode parsing when they fit in 8 bits 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-22 10:41:19 -07:00
Hari Govind V K
b7d7ff38cb
bug fix. Handle unknown without model (#4443) 2020-05-22 10:12:42 -07:00
Nikolaj Bjorner
9eedd4ecd6 gate mk_bool_app by existence of regex 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-22 10:09:16 -07:00
Nikolaj Bjorner
82fb7573d7 more rewrites for emptiness 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-22 09:56:21 -07:00
Margus Veanes
5d6be3f17f
adding regex simplification rewriter (#4440) 2020-05-22 09:55:29 -07:00
Nikolaj Bjorner
18bb90f93d fix #4426 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-21 21:27:26 -07:00
Nikolaj Bjorner
9da0b61d30 na 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
131dfc2101 na 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
ce1fd26b19 #4424 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
698d300511 na 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
5307797c32 #4424 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
4c9517260c #4427 2020-05-21 21:04:48 -07:00
Hari Govind V K
ed92b8437c
fix #4054 (#4277) 
* flag when quantified lemmas are added to smt_context

* When solver returns unknown but cannot create child, return unknown

* handle unknowns when qlemmas and weak_abs are turned on
 2020-05-21 09:58:09 -07:00
Lev Nachmanson
bfd2407e0f
Debug (#4415) 
* fix it explanation.h

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* fix explanation.h

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* add options to run bound propagation on monomials etc.

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-21 09:55:01 -07:00
Nikolaj Bjorner
1729232254 fix #4414 2020-05-20 14:28:41 -07:00
Nikolaj Bjorner
f2d3160181 try different field order for Mac build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-20 01:06:56 -07:00
Nikolaj Bjorner
1dcbde4ecb fix #4401 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 19:55:39 -07:00
Nikolaj Bjorner
6381cfdc05 remove old functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 16:34:21 -07:00