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17468 commits 29 branches 52 tags 173 MiB
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515 commits

Author SHA1 Message Date
Nikolaj Bjorner
d2d42f9810 fix #2127 fix #2128 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-09 08:23:22 -08:00
Nikolaj Bjorner
94dae2da3a fix fourth bug produced by repros by Mark Dunlop 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-27 18:11:18 -08:00
Nikolaj Bjorner
1297eeb817 fix #2104 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-26 11:55:32 -08:00
Nikolaj Bjorner
cf6119cdfd fix #2102 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-25 21:02:25 -08:00
Nikolaj Bjorner
434eb25004 add useful div lemma for case #2079 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-10 17:20:01 -08:00
Nikolaj Bjorner
b63a0e31d3 fix regression from #2061 breaking #2074 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-07 16:30:04 -08:00
Nikolaj Bjorner
14f3ff0b63 Merge branch 'master' of https://github.com/z3prover/z3 2019-01-07 09:00:21 -08:00
Nikolaj Bjorner
cec34c745a defer blocking propagation until all properties of literal have been axiomatized. Deals with seq part of #2071 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-07 09:00:11 -08:00
Nikolaj Bjorner
6113149138 fix #2060. Code comment was right, code wasn't. Code comment and code could also be tuned 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-06 20:20:34 -08:00
Nikolaj Bjorner
a87f7a14d3 ever so gentle slap over the fingers for not using real regular expressions, #2058 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-06 13:46:04 -08:00
Nikolaj Bjorner
0d400a5ad6 fix bit2bool bug reported by Jianying Li 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-04 07:46:53 -08:00
Nikolaj Bjorner
b3d0ed6143 fix #2035 regression. correct axiom is |extract(s,i,l)| <= l or l < 0, but it is subsumed by encoding of extract, so new axiom is not useful 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-11 20:27:28 -08:00
Nikolaj Bjorner
bfcea7a819 perf improvements by reordering variable branching #1676 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-11 09:38:36 -08:00
Nikolaj Bjorner
b40c2b2926 fix #876 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-10 14:11:00 -08:00
Nikolaj Bjorner
68ace83893 remove enable trace 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-10 07:34:56 -08:00
Nikolaj Bjorner
f2a7bcaf5d remove prints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-09 14:38:45 -08:00
Nikolaj Bjorner
604e5dd0bb fixing #2030 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-09 12:56:21 -08:00
Nikolaj Bjorner
559f57470e fix #2031 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-09 08:21:48 +01:00
Nikolaj Bjorner
38b5e6de56 fix #2019 - insufficient axioms for special cases 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-08 13:57:35 +01:00
Nikolaj Bjorner
a20e68facc throttel extract/ite rewriting to avoid perf-bug exposed in example from Lucas Cordeiro and Alessandro Trindade 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-07 17:54:49 +00:00
Nikolaj Bjorner
9635ddd8fc fix #2018 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-05 00:54:10 -08:00
Nikolaj Bjorner
9e5aaf074e perf improvements for #1979 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-04 10:13:55 -08:00
Nikolaj Bjorner
ea0d253308 fix const-char test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-03 11:56:20 -08:00
Nikolaj Bjorner
2aa7ccc4a9 hide bit-vector dependencies under seq_util 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-03 08:45:17 -08:00
Nikolaj Bjorner
3db73e442c reset max unfolding literal on backtrack 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-29 21:04:43 -08:00
Bruce Mitchener
6567698199 Fix initialization order on theory_seq. 2018-11-30 08:10:49 +07:00
Nikolaj Bjorner
67f22d8d65 improving performance for length constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-29 11:32:52 -08:00
Nikolaj Bjorner
e96f9de70b perf #1988 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-29 06:02:32 -08:00
Nikolaj Bjorner
5df29daa35
Merge pull request #1972 from waywardmonkeys/use-vector-empty 
Prefer using empty rather than size comparisons.
 2018-11-27 10:39:34 -08:00
Nikolaj Bjorner
2b34e4f738 fix #1968 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-27 10:36:03 -08:00
Bruce Mitchener
e570940662 Prefer using empty rather than size comparisons. 2018-11-27 21:42:04 +07:00
Nikolaj Bjorner
503bedbc7a fix #1967: 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-26 21:12:47 -08:00
Nikolaj Bjorner
88fd088a09 conditional flattening 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-25 14:15:10 -08:00
Nikolaj Bjorner
16be5b0e7d fix #1816 - m_parent_selects gets updated while accessing an interator, fix is to rely on the size of the vector for iteration 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-25 14:04:17 -08:00
Nikolaj Bjorner
32df9b1155 mac build errors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-24 17:34:53 -08:00
Nikolaj Bjorner
96043216e5 fix unsound unfolding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-24 17:25:56 -08:00
Nikolaj Bjorner
6ddbc9cd38 overhaul of regular expression membership solving. Use iterative deepening and propagation, coallesce intersections 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-24 15:26:39 -08:00
Nikolaj Bjorner
d61d9d4ce3 remove reject states 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-24 11:06:51 -08:00
Nikolaj Bjorner
33eb82c25a remove prefix2prefix, fix #1566 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-23 23:36:47 -08:00
Nikolaj Bjorner
069949a576 fix model construction for semantics of itos 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-23 22:30:13 -08:00
Nikolaj Bjorner
20a28af225 fix stoi/itos axiom replay 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-23 21:42:48 -08:00
Nikolaj Bjorner
d55af41955 constrain lengths 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-23 19:54:34 -08:00
Nikolaj Bjorner
88fb826a03 overhaul stoi and itos to fix #1957 and related 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-23 18:50:20 -08:00
Nikolaj Bjorner
801026937d fix #1846 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-23 13:49:09 -08:00
Nikolaj Bjorner
8d940f64b8 fix build regression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-23 10:57:07 -08:00
Nikolaj Bjorner
f591e0948a fix #1841 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-22 15:28:33 -08:00
Nikolaj Bjorner
90070fda95 fix #1959 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-20 20:17:09 -08:00
Nikolaj Bjorner
c95dbb47a3 fix #1958 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-20 16:43:37 -08:00
Florian Pigorsch
326bf401b9 Fix some spelling errors (mostly in comments). 2018-10-20 17:07:41 +02:00
Bruce Mitchener
7bc283b84e Avoid unnecessary copies in for-range loops. 2018-10-02 10:38:41 +07:00