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11118 commits 28 branches 52 tags 171 MiB
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691 commits

Author SHA1 Message Date
Nikolaj Bjorner
41deae52c6 fix enum2bv to handle singleton enumeration types, differentiate disequality conflicts for theories that handle disequalities vs. theories that don't 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 13:35:53 -07:00
Nikolaj Bjorner
24fc19ed58 speed up consequence finding by avoiding local search whenver assumption level is reached during the initial phase 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 08:15:39 -07:00
Nikolaj Bjorner
da4289fadc fix unit tests for pb 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-25 20:47:48 -07:00
Christoph M. Wintersteiger
8c5c564d6c fixed initialization order warning in pb2bv_rewriter 2016-10-25 14:31:29 +01:00
Nikolaj Bjorner
fefd00aa49 fix sign of constant in pb constraint 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 20:28:56 -07:00
Nikolaj Bjorner
b82b53dc34 add handling of pseudo-boolean inequalities that use if-expressions over Booleans and arihmetic instead of built-in PB predicates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 17:41:52 -07:00
Nikolaj Bjorner
6cf54a226e a more efficient encoding for pseudo-Boolean inequality constraints into bit-vectors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 08:25:02 -07:00
Nikolaj Bjorner
b476784f23 add missing file 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-23 20:52:44 -07:00
Nikolaj Bjorner
3778048eb4 add bounded-int and pb2bv solvers to fd_solver, use sorting networks for pb2bv rewriter when applicable, hoist to pb2bv_rewriter module and remove it from the pb2bv_tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-23 20:31:59 -07:00
Nikolaj Bjorner
23b9d3ef55 fix at-most-1 constraint compiler bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-22 18:50:16 -07:00
Murphy Berzish
ef0f6f1de3 add str.to-int in theory_str WIP 2016-10-20 16:01:51 -04:00
Nikolaj Bjorner
d060359f01 add fd solver for finite domain queries 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-18 22:34:34 -04:00
Nikolaj Bjorner
4fda2adec8 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-10-16 15:46:50 -04:00
Nikolaj Bjorner
58198d7cb6 add consequence finding to inc-sat-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-16 15:45:39 -04:00
Nikolaj Bjorner
aec59e4ff7 add consequence finding to inc-sat-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-16 15:43:28 -04:00
Christoph M. Wintersteiger
7e705a2d32 Bug fixes for underspecified FP operations. 2016-10-15 18:35:39 +02:00
Christoph M. Wintersteiger
bc257211d6 Whitespace 2016-10-15 18:35:39 +02:00
Nikolaj Bjorner
e3f0aff318 address ubuntu warning and add shortcuts for maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-03 16:22:13 -07:00
Nikolaj Bjorner
476b06fa14 fix compiler warnings, gcc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-28 16:42:07 -07:00
Mikolas Janota
147c0f8152 Removing an unused method from bv_rewriter. 2016-09-16 19:44:37 +01:00
Mikolas Janota
ec47a1df50 Adding bv preprocessing techniques. 2016-09-16 19:44:37 +01:00
Nikolaj Bjorner
5a86815f34 fix regression in seq-replace rewriting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-11 05:43:16 -07:00
Nikolaj Bjorner
0b57829bdd fix heisenbug, unintialized variable, issue #720 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-10 11:04:29 -07:00
Nikolaj Bjorner
cb140011bc add missing rewrite rule. Issue #731 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-10 09:42:36 -07:00
Nikolaj Bjorner
e485d1889c update replace semantics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-08 13:59:13 -07:00
Murphy Berzish
f9b4f21683 add rewrite for theory_str rewriter RegexPlus 
fixes regex-013.smt2
 2016-08-31 19:22:04 -04:00
Murphy Berzish
6263391c11 fix out-of-range integer comparison bug in string NFA 2016-08-17 20:58:57 -04:00
Murphy Berzish
0834229b39 theory_str model validation for substr 2016-08-17 15:33:02 -04:00
Murphy Berzish
48081864b0 add regex validation in str_rewriter 2016-08-16 18:07:31 -04:00
Christoph M. Wintersteiger
e8141aaa84 debug fixes 2016-08-12 19:52:59 +01:00
Murphy Berzish
3dff240bb3 theory_str model validation for Length 2016-08-07 15:50:41 -04:00
Murphy Berzish
cb566ad5ce fix model validation for theory_str 2016-08-07 15:43:08 -04:00
Nikolaj Bjorner
4958edeb42 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-28 19:40:49 -07:00
Loris D'Antoni
73bd4acfc5 added symbolic automata complement for sequences 2016-07-28 13:50:05 -07:00
Nikolaj Bjorner
b7de813c63 set solver on simplify command 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-27 15:35:44 -07:00
Murphy Berzish
0f38203779 add RegexCharRange to theory_str 2016-07-19 16:39:43 -04:00
Murphy Berzish
9ffcd135d5 add RegexPlus to theory_str 2016-07-19 15:47:41 -04:00
Nikolaj Bjorner
3a70b6aab4 fix model generation, add rewrite rules for sin(acos(x)) reduction to help model validation. Issue #680 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-13 11:12:27 -07:00
Nikolaj Bjorner
d5ee7e24bc add simplification for equalities between itos and constant strings, Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-08 11:50:39 -07:00
Nikolaj Bjorner
30cf0d19eb use of mk_bool_val 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 09:11:45 -07:00
Nikolaj Bjorner
f72d9c25c6 merge with update to bv rewriter 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 09:08:01 -07:00
Christoph M. Wintersteiger
70301ad3c8 Added bv*mul_no*flow handling in bv_rewriter. 
Fixes #657.
 2016-06-24 16:25:11 +01:00
Nikolaj Bjorner
67ea78a4a5 Add basic MARCO example 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 08:00:23 -07:00
Nikolaj Bjorner
914bf2ff3b extend constant folding for bit-vector overflow/underflow operators, #657 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 07:43:05 -07:00
Christoph M. Wintersteiger
0a575936d0 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-06-23 19:31:08 +01:00
Christoph M. Wintersteiger
8bde7b8a4c Added facilities for dumping smt_params for debugging purposes 2016-06-23 19:31:00 +01:00
Nikolaj Bjorner
5b497b6249 reduce set of mainly verbose warnings raised by -Wmaybe-uninitialized and unused variable warnings from release mode builds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-22 20:25:47 -07:00
Murphy Berzish
4c34629806 starting regex support, rewriter 2016-06-21 21:13:16 -04:00
Murphy Berzish
5b3c868c90 theory_str Replace method 2016-06-15 21:14:54 -04:00
Murphy Berzish
7c8b882ae6 decl and rewriter support for LastIndexof in theory_str (WIP) 2016-06-15 18:04:33 -04:00