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291 commits

Author SHA1 Message Date
Nikolaj Bjorner
64a0e62648 fix #3699
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-02 21:17:01 -07:00
Nikolaj Bjorner
be3a9b227c fix #3699
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-02 20:35:15 -07:00
Nikolaj Bjorner
fe267803d1 fix #3634
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-31 20:33:42 -07:00
Nikolaj Bjorner
2b5247a37b fix #3625
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-31 12:30:13 -07:00
Nikolaj Bjorner
48581eb7ab fix #3598, feature overload abuse
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-30 17:29:02 -07:00
Nikolaj Bjorner
8a961a5ce9 fix #3554
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-30 15:02:55 -07:00
Nikolaj Bjorner
d4aa850412 fix #3572
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-30 14:09:47 -07:00
Nikolaj Bjorner
5152c9500d fix #3591
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-30 13:08:58 -07:00
Nikolaj Bjorner
ba4765f16f debugging #3511
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-30 11:00:02 -07:00
Nikolaj Bjorner
b41b83cd63 fix #3314
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
41c68d64d4 avoid deref on null
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-24 17:06:06 -07:00
Nikolaj Bjorner
84090aaf24 fix #3423
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-23 10:27:42 -07:00
Nikolaj Bjorner
00520041fe fix #3436
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-22 13:02:08 -07:00
Nikolaj Bjorner
fcd1f2b3cd fix #3459
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-21 18:11:40 -07:00
Nikolaj Bjorner
1380a98a17 fix #3411
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-19 09:46:46 -07:00
Nikolaj Bjorner
31ff658f5e fix #3416
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-19 08:54:08 -07:00
Nikolaj Bjorner
6b319f9ac3 fix #3297
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-14 11:49:05 -07:00
Nikolaj Bjorner
a6fcdecfd7 Add accessor for lower/upper bounds of algebraic numerals #3245
The pretty printer for algebraic numerals prints a polynomial root expression, however, polynomial root expressions are not exposed over the API. The C API contains methods for approximating root objects from above and below with arbitrary precision. These functions are now exposed over the C++ API.
Note that algebraic numbers are also disjoint from rcf (real closed field) objects.
Thus, z3 doesn't support adding "pi" as an extension field to algebraic numbers that are used by the nlsat solver. It operats on algebraic numbers formed by roots over polynomial with rational coefficients
2020-03-12 14:23:45 -07:00
Nikolaj Bjorner
7a80fe20ca fix #3242 2020-03-12 10:41:08 -07:00
Nikolaj Bjorner
d9c09dcdf9 disable extra model validation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-11 11:46:54 -07:00
Nikolaj Bjorner
36cddd0c46 fix #3235 - return early during lookaehad, avoid checking invariant when context is inconsistent
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-11 10:55:56 -07:00
Nikolaj Bjorner
e45871d7c5 fix #3239
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-11 09:35:28 -07:00
Nikolaj Bjorner
7bcd3452b8 reduce invertible update
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-10 21:02:54 -07:00
Nikolaj Bjorner
bed2097fc4 fix #3076 - need to apply relevancy propagation in mk_bits. Assume bv v is already relevant but did not have bits associated with it, the bits need to then be marked as relevant
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-10 10:36:00 -07:00
Nikolaj Bjorner
9b3c844c2a fix #3209
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-08 15:23:20 +01:00
Nikolaj Bjorner
f501380e89 fix #3169 - set cancellation timeout and limit during push. Also expose internalization outside of scope that disables cancellation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-06 23:36:04 +01:00
Nikolaj Bjorner
afa34a1c12 fix #3087
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-25 12:58:45 -08:00
Nikolaj Bjorner
198622b61a fix #3081 fix #3075
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-25 02:18:01 -08:00
Nikolaj Bjorner
006caea5ba fix #3042
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-18 23:11:45 -08:00
Nikolaj Bjorner
bbce6bfa07 fix #2980
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-11 22:43:00 -08:00
Nikolaj Bjorner
f29b455611 fix #2949 fix #2955 experiment with cut selection
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-08 10:34:14 -08:00
Nikolaj Bjorner
200f47369d some micro tuning
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-06 16:58:25 -08:00
Nikolaj Bjorner
8b23a1701a move flatten functionality to asserted_formulas, sort variables in lut_finder
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-06 09:16:23 -08:00
Nikolaj Bjorner
3ef05ced2f tuning
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-05 19:36:07 -08:00
Nikolaj Bjorner
f1c8754527 na
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-05 12:46:08 -08:00
Nikolaj Bjorner
2d59b81353 delay evaluation of model, throttle propagation, introduce LUT results into cutset
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-05 12:33:42 -08:00
Nikolaj Bjorner
566d3070fa enable parallel under scopes, preview in sequential mode before incurrring copy overhead
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-04 20:26:42 -08:00
Nikolaj Bjorner
3da3b41786 ensure parallel mode works under push/pop
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-04 19:22:28 -08:00
Nikolaj Bjorner
7df8d17639 move in assumptions to loop
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-01 10:59:48 -08:00
Nikolaj Bjorner
74fc8cfde7 combine PS_THEORY with cache on/off mode
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-01 09:50:00 -08:00
Nikolaj Bjorner
5f2720562b adding threads to smt core
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-31 17:08:53 -08:00
Lev Nachmanson
9ecae4abad revert changes in smt directory
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
f939a26c86 integrating changes of Nikolaj with m_empty_clause etc.
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
6321dabe93 fix #2869 fix #2878
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-23 10:59:33 -06:00
Nikolaj Bjorner
ec39d84f57 remove empty clause feature
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-10 20:19:59 -08:00
Nikolaj Bjorner
4b22ff2d3b empty clause handling
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-10 02:45:40 -08:00
Nikolaj Bjorner
04df77e89d revert empty clause handling
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-10 02:40:38 -08:00
Nikolaj Bjorner
5cecd986e2 track empty clause during pop
If a theory solver creates the empty clause it gets dropped during pop.
By maintaining a variable m_empty_clause, the solver ensures that it retains the information that the search state is inconsistent.
2019-12-09 11:10:37 +03:00
Nikolaj Bjorner
7e415c1b69 update to logging 2019-12-04 23:08:41 +03:00
Nikolaj Bjorner
2f6a9ba39b na
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-03 20:34:56 +01:00