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8123 commits

Author SHA1 Message Date
Christoph M. Wintersteiger
c3ed986031 Fixed RNA FP rounding mode semantics. Fixes #1190 and bugs reported by Youcheng Sun. 2018-02-03 16:46:21 +00:00
Christoph M. Wintersteiger
8689921e9c Fixed missing bit of precision in fp.to_ubv/fp.to_sbv. Thanks to Youcheng Sun for reporting this bug. 2018-02-03 15:16:23 +00:00
Christoph M. Wintersteiger
ad3b0ecad0 Fixed pattern rewriting to produce only valid patterns (which led to a segfault). Bug reported by Youcheng Sun. 2018-02-02 19:27:36 +00:00
Bruce Mitchener
ae8027e594 Fix typos. 2018-02-01 19:39:43 +07:00
Nikolaj Bjorner
54ba25175c
Merge pull request #1467 from waywardmonkeys/use-char-rfind
Use char version of rfind.
2018-01-30 08:41:23 -08:00
Bruce Mitchener
6d6b614924 Use char version of rfind.
There is only a single character involved, so use the char version.

This was found via `clang-tidy`.
2018-01-30 21:45:12 +07:00
Bruce Mitchener
177414c0ee Use const refs to reduce copying.
These are things that have been found by `clang-tidy`.
2018-01-30 21:43:56 +07:00
Nikolaj Bjorner
73e9d351dc adding initial model to updated #1463
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-30 03:21:58 -08:00
Nikolaj Bjorner
5a16d3ef7f fix license in sstream
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-29 19:14:17 -08:00
Nikolaj Bjorner
2f6c80ef08 fix build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-28 12:06:14 -08:00
Nikolaj Bjorner
3e191d5cc5 Merge branch 'master' of https://github.com/z3prover/z3 2018-01-28 11:46:02 -08:00
Nikolaj Bjorner
e4198c38e2 add solution_prefix per #1463, have parto with single objective behave similar to multipe-objectives #1439
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-28 11:45:39 -08:00
Murphy Berzish
1ee5ce96b8 use regex instead of head/tail split for string-integer conversion; check sort of refreshed vars; add intersection difficulty estimation 2018-01-26 14:52:18 -05:00
Virgile ROBLES
fddc4e311f
Fix encoding error
The encode/decode is not needed and fails if any non-ASCII character is returned by g++ or clang++
2018-01-26 00:30:59 +01:00
Murphy Berzish
c01dda4e31 experimental str.to.int fix 2018-01-25 16:11:31 -05:00
Murphy Berzish
5c3f35dc44 always rewrite regex length constraints as they are sometimes malformed 2018-01-25 15:52:57 -05:00
Murphy Berzish
852e0e0892 fix regex difficulty overflow bug; fix final check on regex terms that don't get path constraints 2018-01-25 15:25:36 -05:00
Christoph M. Wintersteiger
305212c021 Added rewrite cycle detection in demodulator/ufbv_rewriter. Partial fix for #1456. 2018-01-25 15:18:13 +00:00
Murphy Berzish
8d5065d35d fix constant eqc bug in mk_concat 2018-01-24 22:02:00 -05:00
Murphy Berzish
d648f95f63 fix setup of path constraints when the path constraint is False 2018-01-24 21:25:45 -05:00
Murphy Berzish
d9d3ef78d2 temporarily disable final check progress checking
it is interfering with regex automata solving
2018-01-19 16:14:56 -05:00
Murphy Berzish
2065ea88ee fix null pointer dereference 2018-01-19 14:56:06 -05:00
Murphy Berzish
a9fda81d03 check polarity 2018-01-18 17:53:42 -05:00
Murphy Berzish
5727950a3c zero-length automaton solution fix 2018-01-18 17:52:55 -05:00
Nikolaj Bjorner
57406d6cc4 more updates for #1439
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-17 18:11:14 -08:00
Murphy Berzish
dbb15f65b5 correct generation of linear length constraints for regex star terms 2018-01-17 19:26:42 -05:00
Murphy Berzish
c2b268c645 short path for length-0 regex terms 2018-01-17 18:26:31 -05:00
Murphy Berzish
c0ed683882 disable regex length constraint generation as it currently makes unsound axioms 2018-01-17 13:32:44 -05:00
Murphy Berzish
26ab91a448 check duplicate bounds info for regex terms 2018-01-17 13:02:32 -05:00
Murphy Berzish
e5585ecf4c regex fail count and automaton fallback 2018-01-16 18:15:29 -05:00
Murphy Berzish
153701eabe regex length term assertion WIP 2018-01-16 13:56:01 -05:00
Murphy Berzish
6c4c9a10e4 regex length linearity check WIP 2018-01-16 13:16:31 -05:00
Murphy Berzish
191cc30e2a intersection of regex constraints produces a conflict clause 2018-01-15 15:30:12 -05:00
Murphy Berzish
058d24fd09 reuse regex character constraints for the same string 2018-01-15 14:30:12 -05:00
Murphy Berzish
6f889ab699 intersection WIP; fix polarity of generated path constraint LHS 2018-01-15 14:08:15 -05:00
Nikolaj Bjorner
b5335bc34b change behavior of single-objective pareto to use Pareto GIA algorithm (so not a good idea with MaxSAT solving, but then uniform behavior #1439
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-13 20:08:23 -08:00
Nikolaj Bjorner
450f3c9b45 Merge branch 'master' of https://github.com/z3prover/z3 2018-01-12 19:29:56 -08:00
Nikolaj Bjorner
5159291d57 add missing interpreted tail during bottom-up simplification #1452
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-12 19:29:42 -08:00
Murphy Berzish
ca3784449f regex failsafe and intersect WIP 2018-01-12 13:53:02 -05:00
Murphy Berzish
6b799706b5 add path constraint generation for regex terms 2018-01-10 17:24:47 -05:00
Murphy Berzish
bac5a648d9 regex path constraint generation (WIP) 2018-01-09 20:20:04 -05:00
Murphy Berzish
98691a2c49 lower bound refinement 2018-01-08 15:56:21 -05:00
Christoph M. Wintersteiger
cfdde2f4d1 Added apply_result::as_expr to the C++ API. Requested here: https://stackoverflow.com/questions/48071840/get-result-of-tactics-application-as-an-expression-in-z3 2018-01-08 13:24:52 +00:00
Nikolaj Bjorner
1992749e78 to ascii or not to ascii #1447
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-07 18:52:00 -08:00
Nikolaj Bjorner
e7851a0637 fix build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-07 18:32:31 -08:00
Nikolaj Bjorner
482738bc8a avoid reset_error in dec_ref in bv_val #1443. Add BSD required template instance #1444
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-07 15:51:45 -08:00
Nikolaj Bjorner
711023d557
Merge pull request #1440 from mtrberzi/develop
Make linear search the default for theory_str
2018-01-03 13:22:39 -08:00
Murphy Berzish
09dc5cd0f8 Merge branch 'develop' into regex-develop 2018-01-03 16:12:33 -05:00
Murphy Berzish
a5180edc76 make linear search the default for theory_str 2018-01-03 16:05:34 -05:00
Murphy Berzish
83230f944a Merge remote-tracking branch 'upstream/master' into develop 2018-01-03 13:56:18 -05:00