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Author SHA1 Message Date
Bruce Mitchener 7bc283b84e Avoid unnecessary copies in for-range loops. 2018-10-02 10:38:41 +07:00
Bruce Mitchener cdfc19a885 Use nullptr. 2018-10-02 09:11:19 +07:00
Nikolaj Bjorner 286126dde9 fix #1828, add self-contained utility to extract arithmetical values for use in theory_seq and theory_str and other theories that access current values assigned to numeric variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-16 13:31:37 -07:00
Nikolaj Bjorner 13390e2c3a fix #681, unsound propagation of binary equalities. Clean up memory leaks on exit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-29 12:08:59 -07:00
Nikolaj Bjorner 5509bf248a coallesce lambda/quant tracing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-29 08:02:56 -07:00
Nikolaj Bjorner 64e570f159 fix #1766 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-29 02:22:28 -07:00
Nikolaj Bjorner 1cb3f7c792 fixing #1520 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-28 18:03:13 -07:00
Nikolaj Bjorner 60bb02b709 updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-26 15:31:49 +01:00
Nikolaj Bjorner c7e1d59b19 Merge branch 'master' of https://github.com/z3prover/z3 into lev 2018-07-03 13:42:50 -07:00
Nikolaj Bjorner e37954d87b simplify code fix for #1725 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-03 09:16:52 -07:00
Nikolaj Bjorner ec6260342b fix #1725 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-03 09:13:02 -07:00
Nikolaj Bjorner 03ed33ac02 merge with master 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-02 15:31:26 -07:00
Nikolaj Bjorner e13b61eae8 work around regression with use of mk_app_core, returning BR_FAILED if nothing is rewritten 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-02 11:10:37 -07:00
Nikolaj Bjorner 05738702d6 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-02 08:10:47 -07:00
Nikolaj Bjorner b38abf64d7 use expr_ref on mk_concat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-01 19:30:46 -07:00
Nikolaj Bjorner fad1e611aa build warnings, updates to reduce-invertible, change is_algebraic tester to use int return type 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-01 12:34:55 -07:00
Nikolaj Bjorner 5a2a8d7d5c
Merge pull request #1715 from levnach/master 
merge lar_solver/int_solver
 2018-07-01 12:20:02 -07:00
Thai Trinh cd62017afd fixed failures with regression tests 2018-06-30 15:52:20 +08:00
Lev Nachmanson da44ad7e6f added stubs for get_lower/get_upper required by theory_seq 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-06-29 13:43:23 -07:00
Thai Trinh 1892d31794 add parameter to enable splitting guided by length constraints 2018-06-27 18:10:40 +08:00
Thai Trinh aacb7289be merge with Z3Prover/master 2018-06-25 19:44:46 +08:00
Nikolaj Bjorner eeba30a277 fix #1677 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-06-19 10:56:45 -07:00
Nikolaj Bjorner b4aac1ab55 revert fix to #1677 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-06-18 21:23:13 -07:00
Nikolaj Bjorner 6a0b70ee5c selective expansion of strings for canonizer to fix #1690 regression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-06-18 20:42:53 -07:00
Nikolaj Bjorner 4634d1daed selective expansion of strings for canonizer to fix #1690 regression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-06-18 20:37:39 -07:00
Nikolaj Bjorner c3b27903f8 fix #1677 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-06-18 11:22:01 -07:00
Nikolaj Bjorner 1e143971c3 tune for unit test, delay initialize re-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-13 11:49:33 -07:00
Nikolaj Bjorner b5f067bec5 fix #1592 #1587 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-25 11:18:24 +02:00
Nikolaj Bjorner 19bb883263 fix #1581 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-23 12:12:39 +02:00
Nikolaj Bjorner 279f1986a6 fix #1575, fix #1585 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-23 07:11:15 +02:00
Nikolaj Bjorner 72f8e408fc fix #1538 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-17 11:25:07 -07:00
Nikolaj Bjorner eb1122c5cb delay updating parameters to ensure rewriting in asserted_formulas is applied using configuration overrides. Fixes build regression for tree_interpolation documentation test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-04 21:57:08 -08:00
Nikolaj Bjorner ce1b135ec3 address accessor inconsistencies between - and from #1506 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-26 14:57:17 +09:00
Nikolaj Bjorner 7b68be75c9 fixes to #1500 and #1457 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-25 13:11:20 +09:00
Bruce Mitchener 76eb7b9ede Use nullptr. 2018-02-12 14:05:55 +07:00
Bruce Mitchener 7167fda1dc Use override rather than virtual. 2018-02-10 09:56:33 +07:00
Nikolaj Bjorner 61934d8106 align semantics of re.allchar with string proposal. #1475 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-07 20:08:15 -08:00
Nikolaj Bjorner c1c1b7378c removing axiom exposing unsoundness, replace by weaker axiom 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-01 19:44:16 -08:00
Nikolaj Bjorner f0a30ded7d add shorthand for translating models #1407 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-01 19:25:09 -08:00
Thai Trinh 07afce6a64 pass vectors by reference 2017-12-16 20:44:07 +08:00
Thai Trinh fe503d95ec simplify code 2017-12-15 20:01:03 +08:00
Thai Trinh c07a63cf8e coalesce seq.unit into string in mk_skolem 2017-12-12 05:00:34 +08:00
Thai Trinh 8bf4a15c27 update "seq.align" skolem function 2017-12-09 00:47:48 +08:00
Thai Trinh a2641909d0 initialize pointers 2017-12-08 19:40:20 +08:00
Thai Trinh b819b368f1 minor 2017-12-08 19:29:07 +08:00
Thai Trinh b8ce5509b0 change to "auto" 2017-12-08 19:16:28 +08:00
Thai Trinh c33dfc80e0 Merge branch 'master' of https://github.com/Z3Prover/z3 into Z3Prover-master 
Conflicts:
	src/smt/theory_seq.cpp
 2017-12-08 19:02:24 +08:00
Nikolaj Bjorner faebbc5384 add shortcuts for concatenation and equality propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-08 16:17:04 +05:30
Thai Trinh 3a5c30bd9b use obj_ref_map 2017-12-08 18:36:20 +08:00
Thai Trinh 6253faece7 fixed redundant check 2017-12-08 17:20:30 +08:00
Thai Trinh 7ece37f9a1 added assertions 2017-12-08 17:10:28 +08:00
Thai Trinh ff567412c1 Simplify code 2017-12-08 14:26:20 +08:00
Thai Trinh b6806eb1c2 Add more splitting rules for string equations (including rules based on length constraints) 2017-12-08 04:34:50 +08:00
Nikolaj Bjorner 39d1ad3edb fix #1390 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-07 05:15:53 +05:30
Nikolaj Bjorner bfe6260c58 fix #1376 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-27 08:39:20 -08:00
Nikolaj Bjorner 7d693a5f9f fix different bug reported on #1366 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-25 20:01:14 -08:00
Nikolaj Bjorner 841c48e04d fix break 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-25 18:24:45 -08:00
Nikolaj Bjorner 77b74ddb88 fix #1366 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-25 17:55:20 -08:00
Nikolaj Bjorner d520557ad9 fix #1233 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-21 11:52:15 -08:00
Nikolaj Bjorner c5f231acdf debugging #1233 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-21 08:16:41 -08:00
Nikolaj Bjorner 42fbe19814 fix #1316, segmentation fault when numeric value is not internalized 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-10-21 18:56:36 -04:00
Nikolaj Bjorner 4d8290ebc2 update to theory_seq following examples from PJLJ 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-30 14:04:02 -07:00
Nikolaj Bjorner 974eaab01c complement regular expressions when used in negated membership constraints #1224 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-28 01:38:23 -07:00
Nikolaj Bjorner ebe9db14d5 fix regression exposed by segfault2.smt2 crash 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-21 14:13:43 -07:00
Nikolaj Bjorner 276fdd0e97 register auxiliary constants from projection operation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-20 08:51:24 -07:00
Nikolaj Bjorner ead704f52f handle undefined constant cases for int.to.str 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-13 17:13:10 -07:00
Nikolaj Bjorner 19bb55e396 recognize theory_i_arith to fix #1200 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-13 10:22:36 -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 71d80ab47f fix build break based on new assertion in smt-eq-justification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-07-31 11:54:11 -07:00
Nikolaj Bjorner 62b8394bdd fixes #1179 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-07-31 09:52:45 -07:00
Nikolaj Bjorner 031d7e1b59 use iterators, update build icon for osx 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-07-01 16:58:40 -07:00
Nikolaj Bjorner 08524a2d90 cleanup for warning message 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-07-01 11:47:17 -07:00
Nikolaj Bjorner be4b0ffe69 fix unsoundness bug instroduced when fixing #1125 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-06-30 19:36:38 -07:00
Nikolaj Bjorner c44c8284bd use worklist algorithm to avoid stack overflow #1125 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-06-30 18:10:36 -07:00
Nikolaj Bjorner f375016a11 disable tweak to seq until there are cycles to test further 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-06-19 18:23:27 -05:00
Nikolaj Bjorner 894c60bdf9 fix bug in qe-lite reported in #1086: bookkeeping of unconstrained variables only works for quantifier-free formulas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-06-19 18:22:30 -05:00
Nikolaj Bjorner 02161f2ff7 revert internalize logic for re until debugged 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-06-15 21:13:25 -07:00
Nikolaj Bjorner e67572ffa6 address issues raised in #998 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-06-15 20:47:59 -07:00
Nikolaj Bjorner 5be3e959ab address issues raised in #998 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-06-15 20:46:47 -07:00
Nikolaj Bjorner a59ee8032c fix unsoundness bug in axiomatization of str.at. #1067 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-06-13 19:02:59 -07:00
Nikolaj Bjorner 79a8e9aab0 fix build break #1029 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-18 12:09:51 -07:00
Nikolaj Bjorner 3152833893 fix unused variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-29 18:55:47 -07:00
Nikolaj Bjorner 66e61b8a31 issues #963 #912 2017-04-17 03:06:38 -07:00
Nikolaj Bjorner 4140afa4cb add regular expression membership for range of int.to.str functions. Issue #957 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-11 10:49:42 +08:00
Nikolaj Bjorner 3a9857940e add missing axioms for str.at. Issue #953 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-25 19:31:01 +01:00
Nikolaj Bjorner ca4ae171ea remove unsound simplification in prefix #949 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-21 07:40:35 -06:00
Nikolaj Bjorner 37ee4c95c3 adding parallel threads 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 02:09:08 -08:00
Nikolaj Bjorner 7386e2f3e9 add warning for scearios of #876 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-25 18:29:30 -08:00
Nikolaj Bjorner 777091e653 fix part 1 of #875 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-25 18:09:27 -08:00
Nikolaj Bjorner c1480b4389 handle model generation from issue #748. Deal with warnings from #836 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-12 00:40:52 +01:00
Nikolaj Bjorner dea3b8ddf7 address warnings from #836 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-10 13:14:36 +01:00
Nikolaj Bjorner acba529bce fix bug in encoding of axioms for indexof. Issue #806 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-09 15:32:15 +01:00
Nikolaj Bjorner e65d80dedd make semantics of extract/substr deterministic. Issue #781 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-15 18:29:51 +02:00
Nikolaj Bjorner caf0a1e80d fix breaking change to theory-seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-05 07:22:27 +00:00
Nikolaj Bjorner 152321bce6 fix crash in poly normalizer exposed by qe. Issue #775 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-04 20:29:12 +00:00
Nikolaj Bjorner 1450594fc6 add patch to deal with bug exposed in issue #721 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-10 12:15:49 -07:00
Nikolaj Bjorner 2f67665c7e ensure stoi axiom even when no value is present for argument. Issue #731 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-10 09:40:21 -07:00
Nikolaj Bjorner e485d1889c update replace semantics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-08 13:59:13 -07:00
Nikolaj Bjorner 4d9aadde35 updated consequence finder to fix bug in processing enumeration types 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-08-31 16:15:36 +08:00
Nikolaj Bjorner 879f792125 fix axiomatization of str.replace. Fixes issue #703 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-08-20 06:13:52 -07:00
Nikolaj Bjorner 2d8325ed43 fix axiomatization of str.replace. Fixes issue #703 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-08-20 06:05:13 -07:00
Nikolaj Bjorner 60711bb0cd deal with model construction, issue #684. fix model construction for ite #678. WIth this version, issue #686 does not repro 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-20 12:18:07 -07:00
Nikolaj Bjorner bdbf1c9bf4 add support for default semantics for stoi (non-integer strings map to -1). Issue #670 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-08 10:45:19 -07:00
Nikolaj Bjorner 5b497b6249 reduce set of mainly verbose warnings raised by -Wmaybe-uninitialized and unused variable warnings from release mode builds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-22 20:25:47 -07:00
Nikolaj Bjorner eab5a84f62 fix issues with int.to.str and seq.len encodings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-02 20:57:52 -07:00
Nikolaj Bjorner 39acd3594a test variants for seq_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-30 18:15:10 -07:00
Nikolaj Bjorner f03032bd09 updated seq solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-29 14:01:05 -07:00
Nikolaj Bjorner cddf8091b5 strengthen support for int.to.str and length reasoning. Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-28 12:36:50 -07:00
Nikolaj Bjorner c3f498a640 strengthen support for int.to.str and length reasoning. Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-28 12:26:47 -07:00
Nikolaj Bjorner 85be486c1e add ite reduction to canonizer, remove it from ad-hoc routine 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-18 09:58:34 -07:00
Nikolaj Bjorner cc3bfe8da2 removing warnings for unused variables, #579 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 16:02:08 -07:00
Nikolaj Bjorner 09b8c0e7fa removing warnings for unused variables, #579 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 15:59:06 -07:00
Nikolaj Bjorner ec565ae7a0 fixes to #596 and #592: use exponential step increments on integer problems, align int.to.str with canonizer and disequality checker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 01:00:42 -07:00
Nikolaj Bjorner 10cdd527ca strengthening length properties for int.to.str. Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-15 12:27:04 -07:00
Nikolaj Bjorner d11d9bd1de avoid crash on quantifiers + sequences 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-03 16:24:12 -07:00
Nikolaj Bjorner c3f4124a9f trace down recent exposed regression in goal2sat, incorporate Scott's suggestion on making vector<std::string inaccessible 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-18 14:50:10 -07:00
Nikolaj Bjorner 81232808ba add handling for int.to.str 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-18 11:17:33 -07:00
Nikolaj Bjorner 4761f4f191 add handling for int.to.str 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-18 11:14:40 -07:00
Nikolaj Bjorner c454b81b2c special case branching 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-05 11:57:49 +02:00
Nikolaj Bjorner ed1a5797fb check that a clause was not removed to fix issue #551 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-04 20:15:49 +02:00
Nikolaj Bjorner 33e7640645 disable mb branching pending unit test analysis 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-03 10:53:37 +02:00
Nikolaj Bjorner 03336ab9f2 add evaluation of array equalities to model evaluator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-02 15:07:01 +02:00
Nikolaj Bjorner 0870b4a5a0 add length coherence check for length = 0 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-25 17:17:34 -07:00
Nikolaj Bjorner 29845d037b fix build break on seq evaluation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 08:48:42 -07:00
Nikolaj Bjorner 45fdb95f53 fix performance for model construction, recognize concats of values as a value for pre-processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-23 17:23:57 -07:00
Nikolaj Bjorner 70f13ced33 make proto-model evaluation use model_evaluator instead of legacy evaluator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-05 10:14:15 -08:00
Nikolaj Bjorner df2d7e7628 add intersection using symbolic automata facility 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-28 17:05:12 -08:00
Nikolaj Bjorner e659845bc0 tune handling of contains, avoid redundant equalities, merge use of indexof.left/right with contains.left/right adding only least-ness constraints in the context of index 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-27 09:56:11 -08:00
Nikolaj Bjorner ce8862d415 fix bug in conflict clause generation in seq-branch-variable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-26 18:15:45 -08:00
Nikolaj Bjorner 4c408165ab Merge branch 'master' of https://github.com/Z3Prover/z3 into HEAD 2016-02-24 08:55:28 -08:00
Nikolaj Bjorner 5679fb5d6b experimenting with alternative prefix encodings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-24 08:55:22 -08:00
Nikolaj Bjorner d5383e2387 fix bug in definition of rewrite rule for replace, tighten constraints for tightest-prefix 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-23 18:41:56 -08:00
Nikolaj Bjorner c7abc11ce0 Merge branch 'master' of https://github.com/Z3Prover/z3 into HEAD 2016-02-19 08:23:32 -08:00
Nikolaj Bjorner bff10527d1 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-19 08:23:27 -08:00
Nikolaj Bjorner a073b37ce3 fix bugs in seq solver: add relevancy and axiom 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-18 18:10:16 -08:00
Nikolaj Bjorner 5962ca2a62 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-18 12:08:35 -08:00
Nikolaj Bjorner 67958efed2 add fixed length heuristic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-17 21:20:39 -08:00
Nikolaj Bjorner 133e3693de fix bug in replace built-in and move length-equality propagation to branch final check 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-09 11:08:33 +00:00
Nikolaj Bjorner 677b4bf4fe fix #436, adding more length-based propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-07 14:43:53 +00:00
Nikolaj Bjorner 9c7e5c37d1 add equality propagation based on partial length information to sequence theory. Fix issue #429 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-04 08:12:46 -08:00
Nikolaj Bjorner 9b979b6e1e more string optimizations based on Chris' examples 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-01 17:08:11 -08:00
Nuno Lopes b9c0578eea fix build on C++98 compilers 2016-02-01 17:12:22 +00:00
Nikolaj Bjorner 995a2e1a29 perf tuning based on Chris's examples 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-01 07:51:05 -08:00
Nikolaj Bjorner 2115111dac update display method for datalog to use predicates, throttle use of extensionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-28 20:23:06 -08:00
Nikolaj Bjorner 30f8110488 fix bugs exposed by Chris' sequence unit tests. Improve diagnostics for reason-unknown in combined solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-28 08:51:04 -08:00
Nikolaj Bjorner b352d43e50 fix bugs exposed by Chris' sequence unit tests. Improve diagnostics for reason-unknown in combined solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-28 08:50:13 -08:00
Nikolaj Bjorner 345f6e87bd seq bug fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-26 07:21:31 -08:00
Nikolaj Bjorner 924f03c6de fixing bugs in seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-23 10:38:49 -05:00
Nikolaj Bjorner 993a0434b4 fix warning message for unused variable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-19 23:47:35 -05:00
Nikolaj Bjorner cccd502a4d bug-fixes to sequence theory 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-19 13:57:47 +01:00