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Code Activity
9392 commits 29 branches 52 tags 172 MiB
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1972 commits

Author SHA1 Message Date
Bruce Mitchener
50f3e9c3c0 Fix typos. 2018-02-09 16:35:26 +07:00
Nikolaj Bjorner
61934d8106 align semantics of re.allchar with string proposal. #1475 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-07 20:08:15 -08:00
Nikolaj Bjorner
fa0c75e76e rename to core2 to avoid overloaded virtual 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-07 15:13:13 -08:00
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
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
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
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
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
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
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
0f20944aeb regex lower bound (WIP) 2018-01-03 13:54:18 -05:00
Murphy Berzish
0917af7c56 full upper bound refinement 2018-01-03 12:02:11 -05:00
Bruce Mitchener
5a0f5a778f Remove unnecessary copy of coeff in iteration. 2018-01-02 23:14:29 +07:00
Bruce Mitchener
73b3da37d8 Typo fixes. 2018-01-02 22:48:06 +07:00
Nikolaj Bjorner
e8a9e1a58b set default rewriter behavior in incremental mode to distribute multiplication over addition #1373 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-01 20:04:55 -08:00
Nikolaj Bjorner
c1c1b7378c removing axiom exposing unsoundness, replace by weaker axiom 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-01 19:44:16 -08:00
Nikolaj Bjorner
f0a30ded7d add shorthand for translating models #1407 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-01 19:25:09 -08:00
Nikolaj Bjorner
5bc4c9809e initialize additional assumptions after setup_context is called the first time 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-25 12:50:11 -08:00
Murphy Berzish
0ac7082c80 add upper bound refinement (WIP) 2017-12-21 17:13:39 -05:00
trinhmt
57845d4809
Merge pull request #4 from Z3Prover/master 
merge from z3prover/z3
 2017-12-16 20:46:42 +08:00
Thai Trinh
07afce6a64 pass vectors by reference 2017-12-16 20:44:07 +08:00
Thai Trinh
fe503d95ec simplify code 2017-12-15 20:01:03 +08:00
Nikolaj Bjorner
58c6cb87c3 small improvements to QF_NIA tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-14 11:48:22 -08:00
Nikolaj Bjorner
a74d18a695 prepare for variable scoping and autarkies 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-13 20:11:16 -08:00
Nikolaj Bjorner
387e984bd3 Merge branch 'master' of https://github.com/z3prover/z3 2017-12-13 13:48:34 -08:00
Nikolaj Bjorner
5a479fca76 generalize model finder code to be independent of conjunction elimination 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-13 13:48:24 -08:00
Nikolaj Bjorner
7afbf8165e snapshot 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-12 01:36:44 -08:00
Thai Trinh
c07a63cf8e coalesce seq.unit into string in mk_skolem 2017-12-12 05:00:34 +08:00
Nikolaj Bjorner
82c26509ae
Merge pull request #1396 from mtrberzi/substr-bug 
Fix incorrect term in theory_str str.substr reduction
 2017-12-11 12:36:07 -08:00
Murphy Berzish
9d2c86f214 fix incorrect clause in argumentsValid subterm of substr reduction 2017-12-08 20:31:22 -05:00