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18459 commits 23 branches 48 tags 157 MiB
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1605 commits

Author SHA1 Message Date
Nikolaj Bjorner 910b3023c2 free memory the clean way 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2024-01-20 14:01:01 -08:00
Nikolaj Bjorner d32dcfc4a4 free memory the clean way 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2024-01-20 13:54:50 -08:00
Nikolaj Bjorner 17545233e6 encapsulate anum functionality 2024-01-20 12:59:58 -08:00
Nikolaj Bjorner 2c55aa5466 remove unused code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2024-01-17 18:04:08 -08:00
Lev Nachmanson d084a19630 take care of strategy undecided, Nikolaj's comments 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-17 14:17:07 -10:00
Lev Nachmanson c591a7a3e7 force int bound on int columns, call term_is_int() after subst 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-17 13:53:59 -10:00
Lev Nachmanson 91ca55e5ad change the definition of Gomory row 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-14 13:37:30 -10:00
Lev Nachmanson d8df203622 remove an unused declaration 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-13 19:11:17 -10:00
Lev Nachmanson e2fb4fbd38 fix dependencies for Gomory polarity 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-13 19:01:21 -10:00
Lev Nachmanson 2eadcf0872 avoid duplicate explanations 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-12 15:49:21 -10:00
Lev Nachmanson 7d7fef061f add explanations and fix polarity 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-12 15:28:16 -10:00
Nikolaj Bjorner 3381fd2b52 spell check from https://github.com/microsoft/z3guide/pull/165 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2024-01-12 09:57:46 -08:00
Lev Nachmanson 999e67df0d address Nikolaj's comments in Gomory cut 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-11 16:49:10 -10:00
Lev Nachmanson 2d24436582 remove a blank line 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-11 13:42:35 -10:00
Lev Nachmanson 2b974a0f1d do not delay update for the polar case 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-11 13:39:37 -10:00
Lev Nachmanson 2ac866a8d0 take the coefficient from cut_result, not lia 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-11 12:10:37 -10:00
Lev Nachmanson 2ca1187b3a fix a bug in polarity 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-10 10:50:56 -10:00
Lev Nachmanson 2934618c50 remove simplify_inequality from gomory.cpp 2024-01-04 11:40:57 -10:00
Lev Nachmanson 239d68ed9c return conflict on an empty term in Gomory cuts 2024-01-03 18:56:35 -10:00
Nikolaj Bjorner a7bfdcd0ea readd big cuts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2024-01-02 11:17:59 -08:00
Lev Nachmanson 84997f8b21 move a TRACE statement 2024-01-01 05:25:07 -10:00
Lev Nachmanson fd2b6c62d1 bug fix in gomory polarity 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2024-01-01 05:25:07 -10:00
Lev Nachmanson 53c95e3627 cleanup 2023-12-28 06:00:57 -10:00
Lev Nachmanson 0728b81e9e add parameter lp_settings.m_gomory_simplify 2023-12-28 06:00:57 -10:00
Lev Nachmanson 5796e8899f use vector instead of unordered_map in gomory 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-12-28 06:00:57 -10:00
Lev Nachmanson a3529a0046 create bounds for gomory cuts with big numbers 2023-12-28 06:00:57 -10:00
Lev Nachmanson af7691224e adding the polarity bound 2023-12-28 06:00:57 -10:00
Lev Nachmanson 19f3ad46ce fix the build 2023-12-20 14:14:01 -10:00
Lev Nachmanson a00eb08ddd Merge branch 'master' of https://github.com/z3prover/z3 2023-12-20 12:56:55 -10:00
Lev Nachmanson 4317d134bf refactor: move gomory functionaly from int_solver to gomory 2023-12-20 12:56:20 -10:00
Nuno Lopes b2d5c24c1d remove a few string copies 2023-12-20 16:55:09 +00:00
Lev Nachmanson e28b644a67 remove an empty line 2023-12-20 06:53:59 -10:00
Lev Nachmanson d6365610d5 change some TRACE statements 2023-12-20 06:49:55 -10:00
Lev Nachmanson 9a18628b17 remove unnecessary assignments 2023-12-18 18:49:27 -10:00
Nikolaj Bjorner d0a59f3740 intblast with lazy expansion of shl, ashr, lshr 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-12-16 15:12:57 -08:00
Bruce Mitchener 50e0fd3ba6
Use noexcept more. (#7058) 2023-12-16 12:14:53 +00:00
Nikolaj Bjorner 9293923b8a Add intblast solver 2023-12-15 13:50:38 -08:00
Nikolaj Bjorner 0520558fc0 port updated pdd from polysat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-12-15 08:54:03 -08:00
Bruce Mitchener e90a844508
Use override more. (#7059) 2023-12-15 08:44:57 +00:00
Lev Nachmanson 536f4f84bb Merge branch 'master' of https://github.com/z3prover/z3 2023-12-12 15:23:43 -10:00
Nikolaj Bjorner 4d1d067d42 fix divergence reported by Guido Martinez 2023-12-07 13:34:35 -08:00
Nikolaj Bjorner 4a9b38e531 clean up nla_grobner 2023-12-04 17:08:17 -08:00
Lev Nachmanson fc23a498c4 a simple version of choosing a column for gomory cut 2023-12-04 15:06:50 -10:00
Nikolaj Bjorner de75692cb0 install importlib-resources for ubuntu doc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-12-04 10:32:02 -08:00
Nikolaj Bjorner f7415bb677 install importlib-resources for ubuntu doc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-12-04 10:32:02 -08:00
Nikolaj Bjorner f06e07ad0a fix cone of influence computation for terms with nested variables 
exposed by #7027, but generally missing. It is less likely to be exposed if input is normalized by distributing multiplication over addition.
 2023-12-03 12:42:42 -08:00
Nikolaj Bjorner 25dd29907b refine no-effect predicate to include value of ret 2023-12-03 12:41:21 -08:00
Nikolaj Bjorner 585d027668 remove assert #7032 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-12-02 14:12:41 -08:00
Nikolaj Bjorner 7eab26e3ef try with missed bounds 2023-12-02 10:48:40 -08:00
Lev Nachmanson 5784c2da79 remove an unnecessary if 2023-11-30 08:59:05 -10:00