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Author SHA1 Message Date
Nikolaj Bjorner bbddeffe0b check for 0 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-25 15:07:05 +01:00
Jakob Rath 8c2f268506 fi disequal: add special treatment for v > -a*v 2022-01-24 17:03:49 +01:00
Jakob Rath 7d3308b00e test case for match_zero 2022-01-24 14:28:32 +01:00
Jakob Rath 1cb7ca8dfc match additional cases in forbidden intervals 2022-01-24 14:15:10 +01:00
Nikolaj Bjorner cd11b70864 add value-propagate flag to patch regression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-23 12:09:49 +01:00
Nikolaj Bjorner 93410ccd81 add assertion back for failing unit test, add comment about what is the bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-23 11:35:01 +01:00
Nikolaj Bjorner 5e7ff769b4 add assertion back for failing unit test, add comment about what is the bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-23 11:30:26 +01:00
Nikolaj Bjorner 5e1ad37533 share subst node 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-23 10:39:42 +01:00
Nikolaj Bjorner cbbf1381f7 update to use incremental substitution 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-23 03:00:25 +01:00
Nikolaj Bjorner 6f689c3c1f updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-22 12:21:20 +01:00
Nikolaj Bjorner 417a5320c7 forbidden intervals for strict inequalities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-22 11:14:53 +01:00
Nikolaj Bjorner 82798863ba patch crash for bench0 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-21 17:58:30 +01:00
Nikolaj Bjorner 3c940b5125 use nyi to catch uncovered cases 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-21 17:49:43 +01:00
Jakob Rath 86f247db22 fix warning 2022-01-21 16:20:14 +01:00
Nikolaj Bjorner f2dd95eaa9 Merge branch 'polysat' of https://github.com/z3prover/z3 into polysat 2022-01-21 15:57:35 +01:00
Nikolaj Bjorner 49d9e3440c use band, add bvneg compile step 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-21 15:57:27 +01:00
Jakob Rath c4c9c84aeb Treat eval'd literals as propagations (not as decisions) 2022-01-21 15:56:16 +01:00
Nikolaj Bjorner 8765dc16a5 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-21 13:11:53 +01:00
Jakob Rath 0a48846add Add separate state for deciding on lemmas 2022-01-21 11:55:03 +01:00
Jakob Rath aea3545fcc disable assertion for now 2022-01-20 17:48:19 +01:00
Jakob Rath daf23cfe02 wlist_invariant 2022-01-20 17:47:26 +01:00
Jakob Rath 543ad2f205 skip unassigned variables when computing level 2022-01-20 17:46:23 +01:00
Jakob Rath 0a59387d05 extra propagate 2022-01-20 17:44:57 +01:00
Jakob Rath c7a09051fa Assert constraints only once 2022-01-20 17:44:29 +01:00
Jakob Rath b968898b7e use member variable rather that static 2022-01-20 17:09:36 +01:00
Jakob Rath 64152c338d Don't nest propgate() calls 2022-01-20 17:06:30 +01:00
Jakob Rath c9b9b5f531 remove obsolete test case 2022-01-19 19:10:10 +01:00
Jakob Rath fa75a9109e Test forbidden intervals, disequal case 2022-01-19 19:06:35 +01:00
Jakob Rath 175b348948 Update quot_rem axioms 2022-01-18 10:43:12 +01:00
Jakob Rath e005838129 clause_builder should not fail on always-true literals 
Otherwise, e.g. when adding axioms, the caller would have to check each literal before adding it.
 2022-01-18 10:32:33 +01:00
Jakob Rath ebc4df1ece remove branch_bool 2022-01-17 15:57:05 +01:00
Jakob Rath 3a34995b03 Add eval_and 2022-01-12 13:47:05 +01:00
Jakob Rath 3895d8d6bb quot_rem needs additional constraint: quot <= a 2022-01-12 13:44:30 +01:00
Jakob Rath e0e03b3fc5 Wrap polysat tests in class 2022-01-12 13:42:04 +01:00
Jakob Rath 5886a8873c forgot ceil 2021-12-24 06:57:40 +01:00
Jakob Rath 28864e563c First version of refine_disequal_lin 2021-12-23 18:36:27 +01:00
Nikolaj Bjorner eb9bfbb3d8 add resolved attribute 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-20 17:39:12 -08:00
Nikolaj Bjorner e50c612068 avoid try_y_l_ax when a is unit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-19 15:37:27 -08:00
Nikolaj Bjorner adb3d68743 fixes to literal propagation exposed by bitwise and unit test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-19 15:21:12 -08:00
Nikolaj Bjorner 2afc58cc08 fix missing dependency, expose inefficiency 2021-12-19 12:32:20 -08:00
Nikolaj Bjorner c1d5111159 add first test for band 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-18 12:28:59 -08:00
Nikolaj Bjorner 8f8d88bc9d ups 2021-12-15 14:13:01 -08:00
Nikolaj Bjorner 02369647a0 add functionality for bit-wise and 2021-12-15 14:07:53 -08:00
Nikolaj Bjorner c9472b01fe fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-15 11:45:25 -08:00
Nikolaj Bjorner 4eb3f5c630 elaborate on narrow 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-15 10:17:42 -08:00
Nikolaj Bjorner a6684824c1 elaborate on narrow 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-15 10:13:33 -08:00
Nikolaj Bjorner 12fe964ea5 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-15 09:32:09 -08:00
Nikolaj Bjorner a2aa1170f9 rename to op-constraint to give space for other operations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-15 09:20:11 -08:00
Nikolaj Bjorner bc1e44ab71 fill in some use cases 2021-12-14 19:51:30 -08:00
Nikolaj Bjorner 79bc33b88e na 2021-12-14 19:42:19 -08:00