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12541 commits 49 branches 53 tags 182 MiB
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2712 commits

Author SHA1 Message Date
Nikolaj Bjorner
b1cdb3e451 add mbqi to smtfd. For Nuno, of course 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-09-09 11:28:25 +02:00
Murphy Berzish
18ba14cff8 Z3str3: fix empty-string contradictions (#2538) 
* z3str3: str.indexof second argument can be empty string without causing contradictions

* z3str3: str.indexof second argument can be empty string without causing contradictions

* z3str3: fixups for str.indexof

* z3str3: str.indexof code cleanup
 2019-09-07 16:35:20 +03:00
Nikolaj Bjorner
8ec6219010 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-09-06 09:42:57 +03:00
Nikolaj Bjorner
a92c82d895 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-09-06 09:42:57 +03:00
Nikolaj Bjorner
68e4ed3c9c fix #2531 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-09-02 09:59:58 -07:00
Nikolaj Bjorner
e816d16724 fix #2527 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-31 10:09:52 -04:00
Nikolaj Bjorner
4c0db00a7b fix push/pop bug for ite-elimination, thanks to Nao Hirokawa for reporting it 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-30 08:31:37 -03:00
Nikolaj Bjorner
de43e05102 fix overflow bug exposed by #2476 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-29 22:34:04 -03:00
Nikolaj Bjorner
20dc59e02d fix #2523 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-28 12:28:33 -03:00
Nikolaj Bjorner
2e6908bd9e fix #2509, fix issue with model inheritance exposed by #2483 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-27 10:48:22 -03:00
Nikolaj Bjorner
271cd2ac6b disable expensive model validation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-26 07:26:12 -03:00
Nikolaj Bjorner
75a40d8f8e reorder fields, rename overload name clash 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-25 16:01:39 -03:00
Nikolaj Bjorner
64f4c9794d fix regressions during string fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-25 10:00:26 +01:00
Nikolaj Bjorner
0d9cd7bc2b addressing misc. string bugs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-24 15:40:15 +01:00
Nikolaj Bjorner
a337a51374 fixes for #2513 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-23 23:29:24 +03:00
Nikolaj Bjorner
de69b01e92 Lev's fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-23 23:29:24 +03:00
Nikolaj Bjorner
2b2f016f96 python for accessing lambda, switch to theory branching for QF_LRA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-14 15:44:34 -07:00
Nikolaj Bjorner
520ea65f32 move towards theory phase selection, implement getitem on lambda 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-14 15:44:33 -07:00
Nikolaj Bjorner
75962173ff fix #2481 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-12 09:38:45 -07:00
Nikolaj Bjorner
9fa9aa09ff fix #2468, adding assignment phase heuristic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-10 15:25:05 -07:00
Nikolaj Bjorner
8579a004d0 distribute concat over bvxor and bvor, #2470 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-07 15:14:58 -07:00
Nikolaj Bjorner
e950453685 force propagation for smt cubing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-06 14:19:16 -07:00
Nikolaj Bjorner
0af249d651 'na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-06 13:44:12 -07:00
Bruce Mitchener
077f518241 Fix -Wreorder warning. 2019-08-04 18:37:31 -07:00
Nikolaj Bjorner
bc3b0f6e33 introduce fresh term when none is available in context or model to fix #2456 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-04 12:00:48 -07:00
Nikolaj Bjorner
01920abf46 introduce fresh term when none is available in context or model to fix #2456 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-04 11:57:30 -07:00
Nikolaj Bjorner
59f69bbe0d introduce fresh term when none is available in context or model to fix #2456 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-04 11:56:03 -07:00
Nikolaj Bjorner
2d5714a5d4 fixing #2443 #2445 #2447 #2448 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-02 15:06:34 -07:00
Nikolaj Bjorner
584eee2cf4 fixing #2448 and #2445 and #2443 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-02 15:06:34 -07:00
Nikolaj Bjorner
c4480337c4 fixing #2448 and #2445 and #2443 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-02 15:06:34 -07:00
Nikolaj Bjorner
3d1c40ce23 fixing #2448 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-02 15:06:34 -07:00
Nikolaj Bjorner
0a29002c2f return unknown if m_array_weak was used and result is satisfiable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-02 00:20:41 +08:00
Nikolaj Bjorner
e1fd167e01 remove stale assertions due to lambda #2446 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-30 14:35:09 +08:00
Nikolaj Bjorner
74631265b9 remove stale assertions due to lambda #2446 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-30 14:32:06 +08:00
Nikolaj Bjorner
e6df7b73aa fix #2434 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-25 09:40:18 -07:00
Nikolaj Bjorner
859512d937 fix #2431 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-24 12:14:02 -07:00
Nikolaj Bjorner
019d78e219 fix #2422 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-24 09:51:04 -07:00
Nikolaj Bjorner
e593b5b2c8 fix #2415 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-20 16:23:01 -07:00
Nikolaj Bjorner
41ca956012 expose import model converter over Python, document it, add partial order axioms for lex, disable linear order axioms, prepare ground for re-adding clauses from reconstruction stack 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-18 13:45:13 -07:00
Nikolaj Bjorner
5820b16800 mark assumption literals to be skolem to hide them from models #2406 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-18 08:25:42 -07:00
Nikolaj Bjorner
1ba6d16c61 augment axiomatization for substr to fix #2366 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-12 08:38:33 +01:00
Nikolaj Bjorner
cfb4d289b8 fix #2325 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-11 10:34:35 +01:00
Nikolaj Bjorner
88aa689a70 fix #2387, add ite-hoist rewriting, allow assumptions to be compound expressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-09 07:40:29 +01:00
Nikolaj Bjorner
cd93cdd819 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-09 07:40:29 +01:00
Nikolaj Bjorner
6d244ed2aa internalize reflect 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-04 07:33:37 +07:00
Nikolaj Bjorner
8e2ad4e461 #2379 and #2380 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-04 07:08:47 +07:00
Nikolaj Bjorner
db87f2aab0 separate rewriter used by smt context from asserted formulas to avoid term substitution, exposed by #2370 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-02 15:28:21 +07:00
Nikolaj Bjorner
85b0722df0 ensure also negative lt are constrained 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-06-30 07:44:06 +03:00
Nikolaj Bjorner
1f0d162b7f fix segfault #2360 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-06-30 00:54:48 +03:00
Nikolaj Bjorner
6e994f9279 temporarily disable delete 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-06-29 20:09:33 +03:00