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19189 commits 23 branches 48 tags 157 MiB
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3307 commits

Author SHA1 Message Date
Nikolaj Bjorner d944779e18 move away from sets and into vectors for data associated with Boolean variables 2025-01-21 14:30:11 -08:00
Nikolaj Bjorner 92ad285951 use vector instead of indexed uint set for Boolean var occurrences 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-21 13:35:48 -08:00
Nikolaj Bjorner eebff13f8b don't store full use list of clauses to avoid space overhead 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-21 13:23:13 -08:00
Nikolaj Bjorner fb0eb029a8 use lifted bool 2025-01-21 09:13:38 -08:00
Clemens Eisenhofer 1553bae20c
Performance improvements for seq-sls (#7519) 
* Improve length repair

* Fixed arguments

* Special case regex membership with constant string

* Trying hybrid eq-repair strategy

* Different heuristic

* Fixed stoi
 2025-01-21 08:01:59 -08:00
Nikolaj Bjorner 3cdcd831b1 fix build breaks 2025-01-20 20:36:26 -08:00
Nikolaj Bjorner fb5834268e fix unit tests, add subsampling mode for false literals 2025-01-20 17:34:59 -08:00
Nikolaj Bjorner 22e4054674 add clausal lookahead to arithmetic solver as part of portfolio 
have legacy qfbv-sls solver use nnf pre-processing. It relies on it for correctness of the score updates.
 2025-01-20 16:16:46 -08:00
Nikolaj Bjorner f422e26b3c add case for ite 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-15 18:53:26 -08:00
Nikolaj Bjorner a84130e844 prepare update stack for Boolean lookaheads 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-15 12:33:31 -08:00
Nikolaj Bjorner 498c9a686b throw exceptions where sls lacks support 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-15 11:20:03 -08:00
Nikolaj Bjorner 11909cfdff allow a plateau mode 2025-01-14 16:38:12 -08:00
Nikolaj Bjorner 8515cebd19 add plateau option 2025-01-14 13:54:20 -08:00
Nikolaj Bjorner 648cf9602e fix uninitialized variable warnings 2025-01-14 13:54:05 -08:00
Nikolaj Bjorner a08a3ee32b align reslimit with ddfw 2025-01-13 18:19:35 -08:00
Nikolaj Bjorner 943d881340 fixes to hybrid mode 2025-01-12 16:59:27 -08:00
Nikolaj Bjorner 9770c00592 adjust heuristic in random-inc-dec for finite domains 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-12 14:23:18 -08:00
Nikolaj Bjorner 97acf71d2d fixup registration with new terms during internalization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-12 14:12:02 -08:00
Nikolaj Bjorner 558758fcf1 another stab at fixing substring interval extraction combinatorics 
- i is the offset into val_other. The valid offsets are 0... |val_other|-1.
- j is the length of the substring. It only makes sense to extract strings of length 1,... |val_other|-i
 2025-01-12 11:14:17 -08:00
Nikolaj Bjorner fa22b646aa address some build warnings. 2025-01-12 10:18:11 -08:00
Nikolaj Bjorner b780b54574 optimization of sls-arith and fix build warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-12 09:49:48 -08:00
Nikolaj Bjorner 49dba337f7 fix ubuntu clang build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-11 20:02:31 -08:00
Nikolaj Bjorner c6f58c8bf7 updates to some_string_in_re per code review comments 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-11 17:47:27 -08:00
Clemens Eisenhofer c572fc2e4f
Regex membership (#7506) 
* Make finding a word in the regex iterative

* Fixed gc problem
 2025-01-11 17:41:37 -08:00
Nikolaj Bjorner 9a237d55ca fix misc build warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-11 17:41:24 -08:00
Nikolaj Bjorner d97bd48669 adding lookahead mode to arithmetic sls solver 2025-01-11 15:47:17 -08:00
Nikolaj Bjorner 847278fba8 adding global lookahead variant to sls arith solver 2025-01-09 16:47:33 -08:00
Nikolaj Bjorner c1a62d346c add missing return 2025-01-07 21:02:02 -08:00
Nikolaj Bjorner 1cb126f3dd remove assertion that doesn't build 2025-01-07 17:16:33 -08:00
Nikolaj Bjorner 2dd4faf598 sketch expr_inverter approach for eliminating unconstrained regex containment. 2025-01-07 16:53:57 -08:00
Nikolaj Bjorner ab9ea4e6e7 Add outline of elimination for regex membership constraints 2025-01-07 14:17:28 -08:00
Clemens Eisenhofer 5c60c6662c
Small seq-sls fixes (#7503) 
* Calculation based on wrong update list

* Fixed regex problem
 2025-01-07 09:26:00 -08:00
Nikolaj Bjorner e133a297ba change score for comparisons to use hamming distance 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-07 03:58:44 -08:00
Nikolaj Bjorner f77f259542 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-06 18:12:12 -08:00
Nikolaj Bjorner b6f45bcd9f limit lookahead count to 20 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-06 18:06:00 -08:00
Nikolaj Bjorner aed0ad3505 limit lookahead count to 10 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-06 17:40:17 -08:00
Nikolaj Bjorner 59fad2b10a shave off bv test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-06 17:25:30 -08:00
Nikolaj Bjorner e3e650a249 optimzie 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-06 15:36:20 -08:00
Nikolaj Bjorner 6787d87623 hoist update stack creation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-06 13:16:07 -08:00
Nikolaj Bjorner 5a5570ef4e remove type check in insert_update 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-06 11:12:08 -08:00
Nikolaj Bjorner 67827bfe56 restore nyi trace 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-06 08:37:14 -08:00
Nikolaj Bjorner a8b88b1850 fish for nyi 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-06 07:30:16 -08:00
Nikolaj Bjorner e45f186e67 make ite evaluation sensitive to using temporary Boolean assignment 2025-01-05 20:59:14 -08:00
Nikolaj Bjorner be5a16cc4d fixup scoring function for sle and ule 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-05 19:05:33 -08:00
Nikolaj Bjorner b3e410b5e4 fixup tabu checks to revised representation 2025-01-05 14:24:41 -08:00
Nikolaj Bjorner f6e3c5ae79 re-enable fixed tabu 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-05 11:49:12 -08:00
Nikolaj Bjorner 6b17862886 bug-fixes to root-literal sls 2025-01-05 11:31:12 -08:00
Nikolaj Bjorner bed085934f bugfixes to bv-sls 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-04 20:57:17 -08:00
Nikolaj Bjorner 710f757495 fixup parameter handling for enabling bv-lookahead 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2025-01-04 15:57:02 -08:00
Nikolaj Bjorner 05f166f736 add py_value to selected classes in python bindings, add mode for input-assertion based lookahead solving 2025-01-04 13:40:49 -08:00