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Code Activity
11649 commits 49 branches 53 tags 182 MiB
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1050 commits

Author SHA1 Message Date
Nikolaj Bjorner
63c138c08e add option to enable equality propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-21 11:16:13 -08:00
Nikolaj Bjorner
d4f41c0420 add goal context for simplifier, disable equality creation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-20 10:13:24 -08:00
Nuno Lopes
7d3af70a63 ctx-simplify: fix mem leak of simplifier 2016-02-19 11:08:01 +00:00
Nuno Lopes
c618838ed9 bv_bounds: fix crash in push() when realloc happened 2016-02-19 11:06:22 +00:00
Nuno Lopes
121b3b60f3 bv_bounds/ctx_simplify: improve handling of (ite x a b) where (not x) is proved to be false 2016-02-19 09:42:42 +00:00
Nuno Lopes
d32b4c71d1 [bv_bounds] introduce a tight bit in intervals to denote they are tight (over and under approx) 
use this to ensure certain transformations remain sound
 2016-02-18 15:53:11 +00:00
Nuno Lopes
8718c1c99f bv_bounds: simplify negated expressions as well 2016-02-17 19:14:02 +00:00
Nuno Lopes
a4cfcd4550 bv_bounds: fix bug in interval intersection for non-wrapping disjoint values 2016-02-17 16:32:43 +00:00
Nuno Lopes
ac20d8bc11 bv_bounds: fix intersection of wrapped intervals 
e.g., [117, 115] /\ [115, 113] -> [115, 113]
 2016-02-17 15:41:12 +00:00
Nuno Lopes
98a92b9255 bv_bounds tactic: change representation to intervals 
Code by myself and Nikolaj Bjorner
 2016-02-17 10:02:40 +00:00
Nuno Lopes
c05a0dfa61 revert my previous attempt to simplify the destructor of ctx-simplify 
there can be assertions at level 0
 2016-02-16 13:10:17 +00:00
Nuno Lopes
293566d464 ctx-simplify: simplify destructor 2016-02-16 09:53:04 +00:00
Nuno Lopes
98c5a5c86c move ctx_propagate_assertions class to .cpp file 2016-02-16 09:34:45 +00:00
Nikolaj Bjorner
07953342ac Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-15 17:29:54 -08:00
Nikolaj Bjorner
d3805bbdf6 fix location of level retrieval 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-15 17:29:46 -08:00
Nuno Lopes
96f6bf7028 ctx_simplify: simplify ite if then/else values become equal 2016-02-15 12:06:20 +00:00
Nikolaj Bjorner
8fc58e1ace propagate bounds implementation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-13 02:07:41 +00:00
Nikolaj Bjorner
d7186eede8 bv bounds tactic for Nuno 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-13 00:13:16 +00:00
Nikolaj Bjorner
e484fc365d add outline of bv bounds tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-12 22:57:47 +00:00
Nikolaj Bjorner
45999b254c hoist simplifier functionality out of context loop to allow plugging in other contextual simplification methods 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-12 18:58:37 +00:00
Mikolas Janota
b614e7732b Merge remote-tracking branch 'upstream/master' into lackr 2016-02-08 12:54:22 +00:00
Nikolaj Bjorner
eae17a43a2 Fix #430: disable rewriting of concatentations with constants because it breaks equality propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-05 11:00:17 +00:00
Nikolaj Bjorner
cf970fd76a Fix #430: disable rewriting of concatentations with constants because it breaks equality propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-05 10:59:24 +00:00
Christoph M. Wintersteiger
808eb664cb Merge branch 'master' of https://github.com/Z3Prover/z3 into lackr 2016-02-04 18:27:19 +00:00
Mikolas Janota
8547a965ab changing preamble for qfufbv_ackr_tactic. 2016-02-04 14:05:40 +00:00
Christoph M. Wintersteiger
4e37821dde "canceled" -> Z3_CANCELED_MSG 
Relates to #431
 2016-02-04 13:52:43 +00:00
mikolas
faa620f673 Further refactoring ackermannization. 2016-02-03 17:31:19 +00:00
mikolas
2679b74543 refactoring 2016-02-03 13:53:52 +00:00
Mikolas Janota
6f12c0e6f9 bugfix in refactoring 2016-02-03 11:52:11 +00:00
mikolas
0f0d3e55dc refactoring 2016-02-02 17:58:23 +00:00
mikolas
21b332235a Merge branch 'lackr' of github.com:MikolasJanota/z3 into lackr 2016-02-02 15:04:32 +00:00
mikolas
bcab9a3600 re-factoring 2016-02-02 15:04:20 +00:00
Christoph M. Wintersteiger
3f6a1eb8c5 Fix for QF_BV core theory detection. 2016-02-02 13:01:32 +00:00
Christoph M. Wintersteiger
35c21779e3 Merge branch 'master' of https://github.com/Z3Prover/z3 into lackr 2016-02-02 11:29:35 +00:00
Christoph M. Wintersteiger
0b298b4df9 Minor fixes for QF_BV div0 ackermannization 2016-02-01 18:04:19 +00:00
mikolas
de28e57dee Adding parameters to Ackermannization in qfbv_tactic. 2016-01-29 17:21:21 +00:00
mikolas
c9799b143d Adding parameters to Ackermannization in qfbv_tactic. 2016-01-29 17:18:21 +00:00
Mikolas Janota
470b5c20fe Small modifs in ackermannization. 2016-01-29 16:43:18 +00:00
mikolas
2ce7dc68ad Adding a probe for estimating the number of Ackermann congruence lemas. 2016-01-29 15:37:10 +00:00
Mikolas Janota
3e94a44540 Refactoring ackermannization functionality. 2016-01-28 18:18:42 +00:00
Mikolas Janota
53c187671f Merge branch 'lackr' of github.com:MikolasJanota/z3 into lackr 2016-01-28 11:48:20 +00:00
mikolas
acd01c7778 Adding a probe for qf_ufbv and applying it in the qfufbv_ackr_tactic. 2016-01-28 11:46:31 +00:00
Christoph M. Wintersteiger
20df9e1cd1 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-28 11:14:11 +00:00
Christoph M. Wintersteiger
5f0ea74e89 Made ufbv-rewriter tactic public 2016-01-28 11:14:01 +00:00
Mikolas Janota
28a5c27e33 Merge branch 'lackr' of github.com:MikolasJanota/z3 into lackr 2016-01-27 16:27:35 +00:00
Mikolas Janota
e318d460d7 dbg printing 2016-01-27 16:27:31 +00:00
mikolas
956d774299 Detecting OP_BSDIV0, etc. as uninterpreted functions in ackermannization. 2016-01-27 16:22:28 +00:00
Mikolas Janota
4b37140780 small fix 2016-01-26 18:11:33 +00:00
Mikolas Janota
470f8bca73 Merge remote-tracking branch 'upstream/master' into lackr 2016-01-26 16:51:57 +00:00
Mikolas Janota
c63f9f4912 Moving things around. Adding tactic just for ackermannization. 2016-01-26 16:50:00 +00:00