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13711 commits 29 branches 52 tags 172 MiB
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3197 commits

Author SHA1 Message Date
Nuno Lopes
4452ac0d6d optimize pattern matching code generator for DAG patterns 
generated code now uses COMPARE instructions to compare subtrees instead of diving into both subtrees. Code is thus smaller and fails faster.
 2016-11-28 13:48:15 +00:00
Nikolaj Bjorner
441dbbb94b streamline logging in arithmetic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-24 13:08:50 -08:00
Nikolaj Bjorner
725e79e9eb re-enable ematching on recursive function definitions, disabling ematching breaks regressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-20 06:24:47 -08:00
Nikolaj Bjorner
6a9b5ea3af fix unsoundness reported in issue #777, disable ematching on recursive function definition axioms exposed in #793 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-19 15:29:43 -08:00
Nikolaj Bjorner
a5bae72bdf Merge branch 'master' of https://github.com/Z3Prover/z3 2016-11-19 08:09:55 -08:00
Nikolaj Bjorner
df0e3a100c tune initialization for wmax and sortmax 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-19 08:04:06 -08:00
Nikolaj Bjorner
ea601dd403 fix and coallesce clique functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-19 03:55:48 -08:00
Murphy Berzish
5e37a21802 fix expr_ref in theory_str splits WIP 2016-11-18 16:07:20 -05:00
Murphy Berzish
855037eed7 refactor process_concat_eq_type2 in theory_str; fixes unsat/big/8558 2016-11-17 16:25:53 -05:00
Murphy Berzish
d260218e2b tabs to spaces test 2016-11-17 15:28:26 -05:00
Murphy Berzish
e2d05578d6 add extra trace message in smt_context for theory_str results change 2016-11-17 15:25:39 -05:00
Christoph M. Wintersteiger
b138a0f6d3 Cleaned up hacky rewriter cancelation fix in theory_fpa. 2016-11-17 16:36:39 +00:00
Nikolaj Bjorner
123b50ed3c Merge branch 'master' of https://github.com/Z3Prover/z3 2016-11-17 04:26:36 +02:00
Nikolaj Bjorner
e9db934f1a improving perf of mutex finding, revert semantics of 0 timeout to no-timeout. Issue #791 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-17 04:26:17 +02:00
Murphy Berzish
55ae83f47e Revert "experimental modification to simplify_parent call in theory_str, WIP" 
This reverts commit 9771428600.
 2016-11-16 13:00:05 -05:00
Christoph M. Wintersteiger
9053e6eba6 Resolved merge conflicts. Added FPA API input validity checks. 2016-11-15 20:19:40 +00:00
Murphy Berzish
9771428600 experimental modification to simplify_parent call in theory_str, WIP 2016-11-15 15:18:07 -05:00
Christoph M. Wintersteiger
c7787feebb Assertion fix for theory_fpa. Relates to #570. 2016-11-15 19:59:22 +00:00
Christoph M. Wintersteiger
ee60ba824f Bugfix for rewriter exceptions in theory_fpa. Relates to #570. 2016-11-15 19:59:08 +00:00
Nikolaj Bjorner
e65d80dedd make semantics of extract/substr deterministic. Issue #781 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-15 18:29:51 +02:00
Nikolaj Bjorner
fa8427258a Merge branch 'master' of https://github.com/Z3Prover/z3 2016-11-15 15:07:15 +02:00
Nikolaj Bjorner
e21bd8dacc fix lexicographic combinations for wmax: pb constrsaints were not interpreted in Boolean benchmarks. #782 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-15 15:07:05 +02:00
Christoph M. Wintersteiger
6204f67d38 Fixed problems with aborted rewriters in theory_fpa. Relates to #570. 2016-11-14 17:40:09 +00:00
Murphy Berzish
df6b461117 enhanced backpropagation in theory_str final_check for var=concat terms 
fixes kaluza sat/big/709.smt2
 2016-11-14 12:33:23 -05:00
Murphy Berzish
02aacab04e add z3str2-style free variable check to theory_str 2016-11-11 17:52:18 -05:00
Murphy Berzish
5635016205 theory_str str.from-int very WIP 2016-11-09 18:06:02 -05:00
Murphy Berzish
4aa2d965b3 Merge branch 'develop' of github.com:mtrberzi/z3 into develop 2016-11-09 14:05:38 -05:00
Murphy Berzish
61d1d5e8b0 add cache for length terms to theory_str, but it seems to slow things down so I disabled it 2016-11-08 15:20:47 -05:00
Murphy Berzish
521e0e175b refresh reused split vars in theory_str 
this fixes kaluza/unsat/big/7907, now SAT in ~30s
 2016-11-08 14:23:10 -05:00
Christoph M. Wintersteiger
5ef7d38d72 Whitespace 2016-11-05 14:39:23 +00:00
Christoph M. Wintersteiger
50c323dc74 Whitespace 2016-11-05 14:35:56 +00:00
Nikolaj Bjorner
caf0a1e80d fix breaking change to theory-seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-05 07:22:27 +00:00
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
Nikolaj Bjorner
856cf7d4f9 fix generation of fresh constants for uninterpreted sort in EPR, Issue #649 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-04 15:51:35 +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
Murphy Berzish
3ae336fa6f add experimental value tester caching to theory_str 2016-11-02 13:05:16 -04:00
Murphy Berzish
a61e1f17e8 fix crash in gen_len_test_options when fast length testers are disabled 2016-11-02 12:35:14 -04:00
Nikolaj Bjorner
f61600d1d8 fixing unsat core extraction for tactics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-02 14:14:55 +00:00
Murphy Berzish
3da78f9d80 experimental cached length testers in theory_str 2016-11-01 20:35:01 -04:00
Nikolaj Bjorner
46c4fdaae5 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-11-01 18:39:00 +01:00
Murphy Berzish
a5b00641d8 Merge branch 'develop' of github.com:mtrberzi/z3 into develop 2016-11-01 13:02:59 -04:00
Nikolaj Bjorner
305e080239 enable unsat core extraction in nlsat_tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-01 17:57:28 +01:00
Christoph M. Wintersteiger
026309a325 bugfix for disequality propagation in smt_context 2016-11-01 14:21:06 +00:00
Murphy Berzish
452eed6626 move get_std_regex_str to str_util 2016-10-29 12:19:24 -04:00
Nikolaj Bjorner
7764148dd3 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-28 07:42:27 -07:00
Nikolaj Bjorner
4d078dc0a9 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-28 07:17:49 -07:00
Nikolaj Bjorner
7d7e03e377 rewind qhead to ensure re-propagation after cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 16:23:33 -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
4bd83724dd remove conflict on false disequality, introduced regression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-26 19:15:05 -07:00
Nikolaj Bjorner
461e88e34c additional robustness check for incremental sat solver core when it recieves interpreted constants, added PB equality to interface and special handling of equalities to adddress performance gap documented in #755 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-25 20:32:13 -07:00