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5755 commits 49 branches 53 tags 182 MiB
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Author SHA1 Message Date
Murphy Berzish
09053b831d enforce nonempty string constraint on refreshed nonempty string vars 2016-12-09 17:23:39 -05:00
Murphy Berzish
e9411e5b8c explicitly re-introduce string axioms on refreshed string theory vars 
this fixes at least one case (kaluza/unsat/big/9650.smt2) where a string
could have a negative length value due to a constraint that went out of scope
 2016-12-09 17:12:29 -05:00
Murphy Berzish
737565180f disable stronger arrangements in theory_str for now 2016-12-09 16:55:34 -05:00
Murphy Berzish
515cd4a3f3 add boolean case split in theory_str::solve_concat_eq_str 2016-12-08 14:49:38 -05:00
Murphy Berzish
7b0aaf8745 boolean case split theory_str concat_eq remaining cases 2016-12-06 16:22:42 -05:00
Murphy Berzish
225b527d58 boolean case split theory_str process_concat_eq_type2 2016-12-06 16:09:38 -05:00
Murphy Berzish
b57f04e2d2 optimize generate_mutual_exclusion in theory_str to make only half as many subterms 2016-12-06 12:59:40 -05:00
Murphy Berzish
da61c99f9e experimental boolean case split in theory_str process_concat_eq_type1 WIP 2016-12-06 12:52:48 -05:00
Murphy Berzish
938dcaa669 Merge branch 'develop' of github.com:/mtrberzi/z3 into develop 2016-12-05 20:17:44 -05:00
Murphy Berzish
be9cb8db82 regex tracing theory_str 2016-12-05 20:17:43 -05:00
Murphy Berzish
35ad68d9b5 assert stronger arrangements theory_str 2016-12-05 15:13:48 -05:00
Murphy Berzish
406b622f59 Revert "testing term generation refactor in theory_str::check_length_const_string" 
This reverts commit edf151c9a0.
 2016-12-01 15:19:51 -05:00
Murphy Berzish
b020c71f8a Revert "ref_vector refactoring in theory_str::check_length_concat_concat" 
This reverts commit 599cc1e75d.
 2016-12-01 15:19:51 -05:00
Murphy Berzish
548f635f7e Revert "experimental non-reuse of XOR vars in theory_str" 
This reverts commit fd1bf65b64.
 2016-12-01 15:19:50 -05:00
Murphy Berzish
10c0d94cf2 Revert "refactor theory_str::check_length_concat_var" 
This reverts commit 170e2b4e2a.
 2016-12-01 15:19:50 -05:00
Murphy Berzish
170e2b4e2a refactor theory_str::check_length_concat_var 2016-11-30 19:41:00 -05:00
Murphy Berzish
fd1bf65b64 experimental non-reuse of XOR vars in theory_str 2016-11-30 15:52:58 -05:00
Murphy Berzish
599cc1e75d ref_vector refactoring in theory_str::check_length_concat_concat 2016-11-30 13:08:42 -05:00
Murphy Berzish
edf151c9a0 testing term generation refactor in theory_str::check_length_const_string 2016-11-29 21:46:00 -05:00
Murphy Berzish
947d443726 improved regex concat rewrite 2016-11-29 19:46:37 -05:00
Murphy Berzish
361f02ef1d remove assignment refcount hack from theory_str::pop_scope_eh 2016-11-28 21:34:55 -05:00
Murphy Berzish
f968f79d1c refactor solve_concat_eq_str to use expr_ref_vector 2016-11-28 18:47:42 -05:00
Murphy Berzish
b77f6666dc refactor process_concat_eq_type_6 to use expr_ref_vector 2016-11-28 18:40:28 -05:00
Murphy Berzish
1e65511a3f save a few functions to trail in theory_str 2016-11-28 16:21:26 -05:00
Murphy Berzish
8c33dfab39 fix escape character overflow print 2016-11-27 20:51:34 -05:00
Murphy Berzish
1fa8129c8f pretty-printing of general escape sequences for string literals 2016-11-25 18:02:24 -05:00
Murphy Berzish
889b6be2c3 fix smt-lib 2.5 double quotes in pp 2016-11-23 19:03:53 -05:00
Murphy Berzish
8e962aa427 escape chars in smt2 printing of string constants 2016-11-22 18:32:03 -05:00
Murphy Berzish
11d8ffc4d4 escape characters in theory_str 2016-11-22 18:21:40 -05:00
Murphy Berzish
5e37a21802 fix expr_ref in theory_str splits WIP 2016-11-18 16:07:20 -05:00
Murphy Berzish
855037eed7 refactor process_concat_eq_type2 in theory_str; fixes unsat/big/8558 2016-11-17 16:25:53 -05:00
Murphy Berzish
d260218e2b tabs to spaces test 2016-11-17 15:28:26 -05:00
Murphy Berzish
e2d05578d6 add extra trace message in smt_context for theory_str results change 2016-11-17 15:25:39 -05:00
Murphy Berzish
55ae83f47e Revert "experimental modification to simplify_parent call in theory_str, WIP" 
This reverts commit 9771428600.
 2016-11-16 13:00:05 -05:00
Murphy Berzish
9771428600 experimental modification to simplify_parent call in theory_str, WIP 2016-11-15 15:18:07 -05:00
Murphy Berzish
df6b461117 enhanced backpropagation in theory_str final_check for var=concat terms 
fixes kaluza sat/big/709.smt2
 2016-11-14 12:33:23 -05:00
Murphy Berzish
02aacab04e add z3str2-style free variable check to theory_str 2016-11-11 17:52:18 -05:00
Murphy Berzish
fbaee080b2 fix performance regression introduced with theory_str str.from-int 
more investigation is required to understand why this works.
 2016-11-11 00:32:50 -05:00
Murphy Berzish
5635016205 theory_str str.from-int very WIP 2016-11-09 18:06:02 -05:00
Murphy Berzish
fff1fadf3b add str.from-int in theory_str rewriter 2016-11-09 15:54:22 -05:00
Murphy Berzish
4aa2d965b3 Merge branch 'develop' of github.com:mtrberzi/z3 into develop 2016-11-09 14:05:38 -05:00
Murphy Berzish
61d1d5e8b0 add cache for length terms to theory_str, but it seems to slow things down so I disabled it 2016-11-08 15:20:47 -05:00
Murphy Berzish
521e0e175b refresh reused split vars in theory_str 
this fixes kaluza/unsat/big/7907, now SAT in ~30s
 2016-11-08 14:23:10 -05:00
Murphy Berzish
3ae336fa6f add experimental value tester caching to theory_str 2016-11-02 13:05:16 -04:00
Murphy Berzish
a61e1f17e8 fix crash in gen_len_test_options when fast length testers are disabled 2016-11-02 12:35:14 -04:00
Murphy Berzish
3da78f9d80 experimental cached length testers in theory_str 2016-11-01 20:35:01 -04:00
Murphy Berzish
a5b00641d8 Merge branch 'develop' of github.com:mtrberzi/z3 into develop 2016-11-01 13:02:59 -04:00
Murphy Berzish
452eed6626 move get_std_regex_str to str_util 2016-10-29 12:19:24 -04:00
Murphy Berzish
b06b9f9264 str.to-int WIP 2016-10-21 13:35:35 -04:00
Murphy Berzish
ef0f6f1de3 add str.to-int in theory_str WIP 2016-10-20 16:01:51 -04:00