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8807 commits 26 branches 52 tags 171 MiB
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1341 commits

Author SHA1 Message Date
Nikolaj Bjorner
152321bce6 fix crash in poly normalizer exposed by qe. Issue #775 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-04 20:29:12 +00:00
Christoph M. Wintersteiger
824ba14977 Disabled some ITE rewrite rules that were applied by default, but too expensive. Added re-computation of subterm occurrences in ctx_simplify_tactic. (Performance fixes for QF_LIA benchmarks). 2016-11-04 13:39:53 +00:00
Christoph M. Wintersteiger
a3e915fbea Whitespace 2016-11-04 13:37:14 +00:00
Nikolaj Bjorner
be9d5c7088 fix evaluator for array store expressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-02 21:33:24 +00:00
Nikolaj Bjorner
ff75f88c4f fix memory abuse in internalization in inc-sat-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-31 22:25:58 +01:00
Murphy Berzish
452eed6626 move get_std_regex_str to str_util 2016-10-29 12:19:24 -04:00
Nikolaj Bjorner
ca309341c3 fixing cancellation code paths for inc_sat_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 22:07:46 -07:00
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
Christoph M. Wintersteiger
e4f7ff9881 Added Z3_fpa_is_numeral_negative to FPA API 2016-10-27 15:06:24 +01:00
Christoph M. Wintersteiger
bea7bc5e30 Bugfix for bv2fpa_converter. Fixes #767. 2016-10-26 16:32:44 +01:00
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
Christoph M. Wintersteiger
89d38385db Added functions to test FP numerals for special values. 2016-10-24 12:50:05 +01:00
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
Christoph M. Wintersteiger
5ac3bb04ee Tabs 2016-10-18 13:18:59 +01:00
Nikolaj Bjorner
edaec81aa2 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-10-17 14:53:13 -04:00
Nikolaj Bjorner
9e4450228e adding unit test for enumeration types 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-17 14:52:37 -04:00
Christoph M. Wintersteiger
2f6ef0f3be Removed unnecessary variables. 2016-10-17 16:33:09 +01:00
Christoph M. Wintersteiger
707dbd4173 Bugfix for bv2fpa (model) conversion. 
Relates to #740
 2016-10-17 16:19:27 +01:00
Nikolaj Bjorner
4cae91b096 spacing, unit test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-17 08:07:23 -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
009af4455d Refactored and fixed model conversion for fpa2bv conversion of unspecified values via theory_fpa. 2016-10-15 18:35:39 +02:00
Christoph M. Wintersteiger
58af4cae14 More consistent fp.* operators. 2016-10-15 18:35:39 +02:00
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
Murphy Berzish
ce53b36864 theory_str API started 2016-10-14 12:34:11 -04:00
Nikolaj Bjorner
487f15f90a better encodings for at-most-1, #755 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-10 23:49:45 -07:00
Nikolaj Bjorner
8d2b70a5e2 better encodings for at-most-1, #755 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-10 23:46:03 -07:00
Christoph M. Wintersteiger
acdaeca826 Bugfix for ITEs over FP rounding modes. 
Fixes #751.
 2016-10-04 18:04:56 +01:00
Christoph M. Wintersteiger
0bd06930ae whitespace 2016-10-04 18:04:00 +01:00
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
ab3b36269e Merge branch 'master' of https://github.com/Z3Prover/z3 2016-09-28 16:42:14 -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
Nikolaj Bjorner
b758a7a508 disable smt-lib success printing when locally parsing database of common pattern rules. Issue #743 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-22 19:53:48 -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