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19421 commits 25 branches 48 tags 158 MiB
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53 commits

Author SHA1 Message Date
Nikolaj Bjorner
6f63f8761c
optimizations to bv-solver and euf-egraph (#4698) 
* additional bit-vector propagators

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* rename restrict (not a keyword, but well) #4694, tune euf

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* merge

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add pb rewriting to pb2bv #4697

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-09-20 06:47:27 -07:00
Nikolaj Bjorner
b889b110ee bool_vector, some spacer tidy 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-05 12:59:04 -07:00
Nikolaj Bjorner
d17248821a include chronological backtracking, two-phase sat, xor inprocessing, probsat, ddfw 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-06-13 08:45:21 -07:00
Nikolaj Bjorner
93ee05648e add shortcuts for unit assertions, conflicts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-11 10:56:36 -08:00
Nikolaj Bjorner
24dfdfe9bc disable fixes for #2128 and related as it breaks model evaluation time in regressions, set longer delay for inprocessing in sat solver, report stats 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-09 16:06:02 -08:00
Nikolaj Bjorner
65bd427e46 neatify statistics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-14 16:48:48 -08:00
Nikolaj Bjorner
ed7cac8cc0 neatify logging 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-14 16:42:13 -08:00
Nikolaj Bjorner
dc5e4ca1c5 fix drat generation in asymmetric branch simplification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-12 13:19:09 -08:00
Nikolaj Bjorner
f525f43e43 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-30 09:30:43 -07:00
Nikolaj Bjorner
a954ab7d8d flip literals in ATEs produced using RI 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-06 08:38:01 -07:00
Nikolaj Bjorner
aa2721517b model conversion and acce tracking 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-30 16:24:22 -07:00
Nikolaj Bjorner
8533238582 add propagation after binary addition 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-26 15:56:05 -07:00
Nikolaj Bjorner
51d62684e1 move propagation to after binary clause addition 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-26 15:51:00 -07:00
Nikolaj Bjorner
d60d0b8a7a fix indent 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-26 15:19:14 -07:00
Nikolaj Bjorner
96b717f494 propagate during asymmetric branching 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-26 15:17:41 -07:00
Nikolaj Bjorner
a79400a01b fix bugs in scc_tr 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-25 14:55:42 -07:00
Nikolaj Bjorner
f04e805fa4 add hiding to auxiliary declarations created in mc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-06 18:02:37 -08:00
Nikolaj Bjorner
19b1248e5e Merge branch 'opt' of https://github.com/nikolajbjorner/z3 into opt 2018-03-06 13:33:40 -08:00
Nikolaj Bjorner
d3ceb8c794 radix sort experiment 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-06 13:33:37 -08:00
Nikolaj Bjorner
4c1379e8c9 bug fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-19 21:49:03 -08:00
Nikolaj Bjorner
e95840b640 ate/acce 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-02 20:51:41 -08:00
Nikolaj Bjorner
eca250933d disable uhle from lookahead solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-01 19:56:01 -08:00
Nikolaj Bjorner
2739342aba fix updates to cce 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-30 23:41:04 -08:00
Nikolaj Bjorner
5a2b072ddf working on completing ATE/ALA for acce and abce 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-29 20:32:06 -08:00
Nikolaj Bjorner
3b1810d893 fix hidden tautology bug on non-learned clauses 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-21 23:18:41 -08:00
Nikolaj Bjorner
b3e5fade32 remove cache reset that causes crash 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-15 11:22:50 -08:00
Nikolaj Bjorner
6b258578f9 fix uninitialized variable m_gc_burst in config, have cuber accept and receive optional vector of variables indicating splits and global autarky as output 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-14 02:38:45 -08:00
Nikolaj Bjorner
71c52396cb fix transitive reduction bug, eliminate blocked tag on binary clauses, separate BIG structure from scc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-13 02:38:06 -08:00
Nikolaj Bjorner
7afbf8165e snapshot 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-12 01:36:44 -08:00
Nikolaj Bjorner
6d729f1f15 disable UHLT 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-11 10:36:42 -08:00
Nikolaj Bjorner
b98c864d76 fixes to inprocessing code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-01 18:06:26 -08:00
Nikolaj Bjorner
018411bc58 fix bug in PB constraint init_watch handling, adding transitive reduction, HLE, ULT, 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-01 08:23:55 -08:00
Nikolaj Bjorner
da0aa71082 adding uhle/uhte for faster asymmetric branching 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-29 21:21:56 -08:00
Nikolaj Bjorner
a4dc68766d preparing for more efficient asymmetric branching 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-29 17:16:15 -08:00
Nikolaj Bjorner
6f273e7b8f bug fixes in uninitialized variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-11 12:09:33 -08:00
Nikolaj Bjorner
a6da207b65 fix crash bugs in sat solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-11 11:25:43 -08:00
Nikolaj Bjorner
0a9946578b use failed literal to asym branching 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-08 09:14:21 -08:00
Nikolaj Bjorner
b099449ce1 asymm branch 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-08 07:21:49 -08:00
Nikolaj Bjorner
2746528aab fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-07 17:16:36 -08:00
Nikolaj Bjorner
829c140087 ensure that bca takes also lemmas into account 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-10-27 15:40:25 -07:00
Nikolaj Bjorner
651587ce01 merge with master branch 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-09-19 09:39:22 -07:00
Nikolaj Bjorner
2b82fd5d0c updated include directives 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-01 10:51:47 -07:00
Nikolaj Bjorner
b19f94ae5b make include paths uniformly use path relative to src. #534 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-07-31 13:24:11 -07:00
Nikolaj Bjorner
8205b45839 initial integration of opt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-27 19:13:00 -07:00
Nikolaj Bjorner
e47e8c67c0 introducing scoped detacth/attach of clauses to enforce basic sat solver invariants. Part of investigating #939: 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-22 14:12:47 -07:00
Nikolaj Bjorner
72651e2e98 fixing sources for double frees of clauses. #940 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-14 19:35:11 -07:00
Nikolaj Bjorner
8b4f3ac6f0 fix drat checker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-10 18:04:54 -05:00
Nikolaj Bjorner
aec5a38b14 fix memory leak in SAT solver exposed by regression tests 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-06 11:44:55 -08:00
Nikolaj Bjorner
6a3f75822d fix format bug (issue 126) and smaller nits in sat solver (const annotation, disable elimination of external or already elimianted variables) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-04 18:35:18 -07:00
Leonardo de Moura
40b1137b30 Fix issue https://z3.codeplex.com/workitem/47 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-06-13 13:45:14 -07:00