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Author SHA1 Message Date
Murphy Berzish 8029b6b889 Merge branch 'upstream-master' into develop 2017-05-05 14:44:29 -04:00
Nikolaj Bjorner 7e1fae418a fix #1005, disable expansion of regular expression range to union as it degrades performance significantly 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-05 10:59:47 -04:00
Murphy Berzish ab4fbe40b6 cleanup 2017-05-03 17:45:56 -04:00
Murphy Berzish d2ae94935e Merge branch 'upstream-master' into develop 
Conflicts:
	src/ast/rewriter/seq_rewriter.cpp
	src/ast/seq_decl_plugin.h
 2017-04-28 13:43:14 -04:00
Nikolaj Bjorner 8205b45839 initial integration of opt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-27 19:13:00 -07:00
Nikolaj Bjorner aedabfff7a disable newer pb encoding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-27 11:24:30 -07:00
Murphy Berzish 46ac718790 theory_str frontend changes 2017-04-26 17:24:05 -04:00
Murphy Berzish 06cd07e3c2 Merge branch 'theory-assumptions' into develop 
Conflicts:
	src/smt/smt_context.cpp
	src/smt/smt_context.h
	src/smt/smt_theory.h
 2017-04-22 13:31:43 -04:00
Nikolaj Bjorner 66e61b8a31 issues #963 #912 2017-04-17 03:06:38 -07:00
Nikolaj Bjorner 41e1b9f3fe gt encoding of pb constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-16 12:07:16 +09:00
Nikolaj Bjorner 48638c6f1e fix for #975, add mask to ensure character encoding is unique within range of bits used for encoding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-15 09:34:13 +07:00
Christoph M. Wintersteiger b67c1c5501 Fixed valgrind warning. Fixes #972 2017-04-10 16:28:41 +01:00
Christoph M. Wintersteiger 27a1758857 Added rewriter.ignore_patterns_on_ground_qbody option to disable simplification of quantifiers that have their universals appear only in patterns, but otherwise have a ground body. 2017-04-07 21:19:20 +01:00
Murphy Berzish a8935e99bc Merge branch 'upstream-master' into develop 2017-04-04 16:47:30 -04:00
Nikolaj Bjorner 582880346e add index option to 'eval' command for box objectives. Issue #955 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-31 09:22:56 -07:00
Christoph M. Wintersteiger d10dec2218 Removed unused variable 2017-03-24 14:31:06 +00:00
Murphy Berzish 82d472a227 Merge remote-tracking branch 'upstream/master' into develop 2017-03-23 13:35:58 -04:00
Nikolaj Bjorner e342b87921 Merge pull request #942 from mtrberzi/str-extract-semantics 
alternate str.extract semantics in seq_rewriter
 2017-03-21 10:48:06 -07:00
Murphy Berzish 6804c88b66 make seq.extract rewrite type-generic 2017-03-21 12:54:06 -04:00
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
Murphy Berzish 8021d63539 remove legacy str_decl_plugin and str_rewriter classes; these have been unified with sequence-compatible equivalents 2017-03-15 15:25:48 -04:00
Nikolaj Bjorner 05c267b8d8 make seq.at operations generic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-14 15:37:47 -07:00
Murphy Berzish 9659f08322 Merge branch 'str-extract-semantics' into develop 2017-03-14 14:14:53 -04:00
Murphy Berzish 34717a7b6e str.extract semantics fix 2017-03-14 14:14:46 -04:00
Murphy Berzish 94d5f242b8 Merge branch 'str-at-semantics' into develop 2017-03-13 14:40:40 -04:00
Murphy Berzish 5c9d7538a0 add alternate str.at semantics check in seq_rewriter 
this rewrites to empty string if the index is negative or beyond the length of the string,
which is consistent with CVC4's semantics for this term
 2017-03-13 14:39:12 -04:00
Nikolaj Bjorner 338193548b fixing build break, adding fixedpoint object to C++ API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-10 22:52:55 +01:00
Murphy Berzish c198bc5863 fix re.range rewrite for theory_str 2017-03-10 13:13:45 -05:00
Nikolaj Bjorner 05c5b3b07b merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-09 22:45:52 +01:00
Nikolaj Bjorner 5f5819f029 fix xor handling, and defaults for cardinality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-09 22:44:41 +01:00
Nikolaj Bjorner 6f68355fbc Merge branch 'master' of https://github.com/Z3Prover/z3 2017-03-08 21:33:43 -08:00
Murphy Berzish 577cb19745 experimental rewrite of bitvector unit sequences to string constants 2017-03-06 13:58:03 -05:00
Nikolaj Bjorner b0a47ca897 disable pb sorting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-02 08:11:38 -08:00
Murphy Berzish ab71dea82d theory_str refactoring 2017-02-28 17:47:55 -05:00
Murphy Berzish 9ac0d098ac Merge remote-tracking branch 'upstream/master' into release-1.0 2017-02-28 12:45:04 -05:00
Murphy Berzish 725352234d refactoring theory_str 2017-02-27 13:22:56 -05:00
Nikolaj Bjorner e9b49644b2 Merge branch 'master' of https://github.com/z3prover/z3 into opt 2017-02-25 16:20:33 -08:00
Nikolaj Bjorner 996c0f0666 fix type on exception message 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-25 16:14:50 -08:00
Murphy Berzish 179b0f7630 clean up todos theory_str 2017-02-21 19:52:27 -05:00
Nikolaj Bjorner 122a12c980 fix build on downlevel compilers 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-21 09:12:10 -08:00
Nikolaj Bjorner 98c5a779b4 add xor parity solver feature 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-20 16:55:00 -08:00
Nikolaj Bjorner dc588b54f7 add sorting-based pb encoding in the style of minisat+ 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-19 11:31:34 -08:00
Murphy Berzish 235ea79043 Merge branch 'upstream-master' into release-1.0 
Conflicts:
	src/cmd_context/check_logic.cpp
	src/cmd_context/cmd_context.cpp
	src/cmd_context/cmd_context.h
	src/smt/params/smt_params_helper.pyg
	src/smt/smt_context.cpp
 2017-02-18 15:04:44 -05:00
Nikolaj Bjorner b0dd3f3238 add recursive function graphs to model, adapt rewriter to bypass branches whose evaluation is redundant 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-16 13:58:12 -08:00
Nikolaj Bjorner b6b6035cfb tuning and fixing drat checker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-07 16:50:39 -08:00
Nikolaj Bjorner e9e0293d1a local updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-02 10:19:51 -08:00
Nikolaj Bjorner 7faa35ebdb fixing card 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-31 18:47:30 -08:00
Nikolaj Bjorner 8b7bafbd9f updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 21:23:53 -08:00
Murphy Berzish a879b24011 add str.prefixof, str.suffixof in theory_str 2017-01-27 16:26:30 -05:00
Murphy Berzish 50e2273dbd substr bugfix 2017-01-20 17:39:32 -05:00
Nikolaj Bjorner 13099b1590 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-19 17:56:43 -08:00
Nikolaj Bjorner 24eae3f6e0 fix crash with unary xor #870 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-15 12:06:56 -08:00
Nikolaj Bjorner cb6c6332b3 update conflict resolution for cardinality case 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-28 12:44:30 -08:00
Nikolaj Bjorner 4bcf1bf2f6 fix debug build, unused variable warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-21 10:44:49 -08:00
Nikolaj Bjorner df492e200f merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-21 10:04:02 -08:00
Nikolaj Bjorner 8d18fd075e remove sources for unused variable warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-21 09:54:45 -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 7cc093eee0 Add rewrite rule for property encoded in #812 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-11 11:05:12 +01:00
Nikolaj Bjorner 32c63ce4cd address other warnings per input from delcypher 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-10 17:23:59 +01:00
Nikolaj Bjorner 8e6600c6be add python API for newly exposed regex constructors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-09 09:09:03 +01:00
Murphy Berzish be9cb8db82 regex tracing theory_str 2016-12-05 20:17:43 -05:00
Nuno Lopes e697d3e810 remove 2 outdated comments 2016-12-01 14:10:31 +00:00
Murphy Berzish 947d443726 improved regex concat rewrite 2016-11-29 19:46:37 -05:00
Nikolaj Bjorner 7a4c20698f fix handling of AC operator ++ on regular expressions. Issue #804 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-22 13:02:17 -08:00
Christoph M. Wintersteiger a97358965b Fixed interruption/cancelation issue in rewriter. 2016-11-17 16:28:49 +00:00
Nikolaj Bjorner 1600823435 fix perf bug reported in #790 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-17 05:38:52 +02:00
Murphy Berzish fff1fadf3b add str.from-int in theory_str rewriter 2016-11-09 15:54:22 -05:00
Christoph M. Wintersteiger 824ba14977 Disabled some ITE rewrite rules that were applied by default, but too expensive. Added re-computation of subterm occurrences in ctx_simplify_tactic. (Performance fixes for QF_LIA benchmarks). 2016-11-04 13:39:53 +00:00
Christoph M. Wintersteiger a3e915fbea Whitespace 2016-11-04 13:37:14 +00:00
Nikolaj Bjorner be9d5c7088 fix evaluator for array store expressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-02 21:33:24 +00:00
Nikolaj Bjorner ff75f88c4f fix memory abuse in internalization in inc-sat-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-31 22:25:58 +01:00
Nikolaj Bjorner ca309341c3 fixing cancellation code paths for inc_sat_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 22:07:46 -07:00
Nikolaj Bjorner 41deae52c6 fix enum2bv to handle singleton enumeration types, differentiate disequality conflicts for theories that handle disequalities vs. theories that don't 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 13:35:53 -07:00
Nikolaj Bjorner 24fc19ed58 speed up consequence finding by avoiding local search whenver assumption level is reached during the initial phase 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 08:15:39 -07:00
Nikolaj Bjorner da4289fadc fix unit tests for pb 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-25 20:47:48 -07:00
Christoph M. Wintersteiger 8c5c564d6c fixed initialization order warning in pb2bv_rewriter 2016-10-25 14:31:29 +01:00
Nikolaj Bjorner fefd00aa49 fix sign of constant in pb constraint 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 20:28:56 -07:00
Nikolaj Bjorner b82b53dc34 add handling of pseudo-boolean inequalities that use if-expressions over Booleans and arihmetic instead of built-in PB predicates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 17:41:52 -07:00
Nikolaj Bjorner 6cf54a226e a more efficient encoding for pseudo-Boolean inequality constraints into bit-vectors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 08:25:02 -07:00
Nikolaj Bjorner b476784f23 add missing file 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-23 20:52:44 -07:00
Nikolaj Bjorner 3778048eb4 add bounded-int and pb2bv solvers to fd_solver, use sorting networks for pb2bv rewriter when applicable, hoist to pb2bv_rewriter module and remove it from the pb2bv_tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-23 20:31:59 -07:00
Nikolaj Bjorner 23b9d3ef55 fix at-most-1 constraint compiler bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-22 18:50:16 -07:00
Murphy Berzish ef0f6f1de3 add str.to-int in theory_str WIP 2016-10-20 16:01:51 -04:00
Nikolaj Bjorner d060359f01 add fd solver for finite domain queries 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-18 22:34:34 -04:00
Nikolaj Bjorner 4fda2adec8 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-10-16 15:46:50 -04:00
Nikolaj Bjorner 58198d7cb6 add consequence finding to inc-sat-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-16 15:45:39 -04:00
Nikolaj Bjorner aec59e4ff7 add consequence finding to inc-sat-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-16 15:43:28 -04:00
Christoph M. Wintersteiger 7e705a2d32 Bug fixes for underspecified FP operations. 2016-10-15 18:35:39 +02:00
Christoph M. Wintersteiger bc257211d6 Whitespace 2016-10-15 18:35:39 +02:00
Nikolaj Bjorner e3f0aff318 address ubuntu warning and add shortcuts for maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-03 16:22:13 -07:00
Nikolaj Bjorner 476b06fa14 fix compiler warnings, gcc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-28 16:42:07 -07:00
Mikolas Janota 147c0f8152 Removing an unused method from bv_rewriter. 2016-09-16 19:44:37 +01:00
Mikolas Janota ec47a1df50 Adding bv preprocessing techniques. 2016-09-16 19:44:37 +01:00
Nikolaj Bjorner 5a86815f34 fix regression in seq-replace rewriting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-11 05:43:16 -07:00
Nikolaj Bjorner 0b57829bdd fix heisenbug, unintialized variable, issue #720 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-10 11:04:29 -07:00
Nikolaj Bjorner cb140011bc add missing rewrite rule. Issue #731 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-10 09:42:36 -07:00
Nikolaj Bjorner e485d1889c update replace semantics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-08 13:59:13 -07:00
Murphy Berzish f9b4f21683 add rewrite for theory_str rewriter RegexPlus 
fixes regex-013.smt2
 2016-08-31 19:22:04 -04:00
Murphy Berzish 6263391c11 fix out-of-range integer comparison bug in string NFA 2016-08-17 20:58:57 -04:00
Murphy Berzish 0834229b39 theory_str model validation for substr 2016-08-17 15:33:02 -04:00
Murphy Berzish 48081864b0 add regex validation in str_rewriter 2016-08-16 18:07:31 -04:00
Christoph M. Wintersteiger e8141aaa84 debug fixes 2016-08-12 19:52:59 +01:00
Murphy Berzish 3dff240bb3 theory_str model validation for Length 2016-08-07 15:50:41 -04:00
Murphy Berzish cb566ad5ce fix model validation for theory_str 2016-08-07 15:43:08 -04:00
Nikolaj Bjorner 4958edeb42 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-28 19:40:49 -07:00
Loris D'Antoni 73bd4acfc5 added symbolic automata complement for sequences 2016-07-28 13:50:05 -07:00
Nikolaj Bjorner b7de813c63 set solver on simplify command 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-27 15:35:44 -07:00
Murphy Berzish 0f38203779 add RegexCharRange to theory_str 2016-07-19 16:39:43 -04:00
Murphy Berzish 9ffcd135d5 add RegexPlus to theory_str 2016-07-19 15:47:41 -04:00
Nikolaj Bjorner 3a70b6aab4 fix model generation, add rewrite rules for sin(acos(x)) reduction to help model validation. Issue #680 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-13 11:12:27 -07:00
Nikolaj Bjorner d5ee7e24bc add simplification for equalities between itos and constant strings, Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-08 11:50:39 -07:00
Nikolaj Bjorner 30cf0d19eb use of mk_bool_val 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 09:11:45 -07:00
Nikolaj Bjorner f72d9c25c6 merge with update to bv rewriter 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 09:08:01 -07:00
Christoph M. Wintersteiger 70301ad3c8 Added bv*mul_no*flow handling in bv_rewriter. 
Fixes #657.
 2016-06-24 16:25:11 +01:00
Nikolaj Bjorner 67ea78a4a5 Add basic MARCO example 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 08:00:23 -07:00
Nikolaj Bjorner 914bf2ff3b extend constant folding for bit-vector overflow/underflow operators, #657 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 07:43:05 -07:00
Christoph M. Wintersteiger 0a575936d0 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-06-23 19:31:08 +01:00
Christoph M. Wintersteiger 8bde7b8a4c Added facilities for dumping smt_params for debugging purposes 2016-06-23 19:31:00 +01:00
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
Murphy Berzish 4c34629806 starting regex support, rewriter 2016-06-21 21:13:16 -04:00
Murphy Berzish 5b3c868c90 theory_str Replace method 2016-06-15 21:14:54 -04:00
Murphy Berzish 7c8b882ae6 decl and rewriter support for LastIndexof in theory_str (WIP) 2016-06-15 18:04:33 -04:00
Murphy Berzish dc5a334d42 support for Indexof2 in theory_str 2016-06-15 17:37:17 -04:00
Murphy Berzish db2a5854e9 decl and rewriter for Indexof (WIP) 2016-06-14 20:10:06 -04:00
Murphy Berzish a3986d6d0e decl and rewriter support for Contains (WIP) 2016-06-14 18:36:43 -04:00
Murphy Berzish fd38b4c729 EndsWith decl and rewriter, WIP 2016-06-14 17:55:46 -04:00
Nikolaj Bjorner bfe26390f0 fix bug introduced when hiding unused variables in 96e157e, reported by Mikolas Janota 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-14 08:12:32 -07:00
Murphy Berzish 7d8e54c50f decl and rewriter for string StartsWith 2016-06-13 22:27:46 -04:00
Murphy Berzish be5cc02a45 working axiomatization for CharAt 2016-06-13 21:57:08 -04:00
Murphy Berzish 389845180c add CharAt to theory_str and basic rewrite rule for constant CharAt exprs 2016-06-13 16:34:24 -04:00
Murphy Berzish 7d09dbb8ec basic infrastructure for string rewriting 2016-06-12 20:46:52 -04:00
Christoph M. Wintersteiger 617e941015 fp2bv refactoring 2016-05-23 18:10:17 +01:00
Christoph M. Wintersteiger b6d90a64da fpa rewriter tidy up 2016-05-21 18:07:37 +01:00
Christoph M. Wintersteiger cae53c3ec2 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-05-20 19:55:01 +01:00
Christoph M. Wintersteiger 1cc8146aba Bugfixes for FP UFs and arrays. 2016-05-20 19:53:57 +01:00
Nikolaj Bjorner 1aa3fdab8a remove min/max, use qmax; disable cancellation during model evaluation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-19 13:04:20 -07:00
Christoph M. Wintersteiger 71a03dbeb3 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-05-18 09:58:11 +01:00
Nikolaj Bjorner 96e157e201 fix warnings for unused variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 13:54:22 -07:00
Christoph M. Wintersteiger df81ab72f5 Bug and performance fixes for FP UFs. 2016-05-17 16:35:45 +01:00
Nuno Lopes 0286cee450 simplify th_rewriter::mk_eq_value() 2016-05-05 11:00:21 +01:00
Christoph M. Wintersteiger 5971c20653 Bugfixes for bv_trailing. 2016-04-07 13:08:17 +01:00
Nuno Lopes e2b7ad246a bv_trailing: fix compiler warning + use of ast_manager 2016-04-06 15:34:31 +01:00
Mikolas Janota dbffc15b98 Improvements in caching of bv_trailing. 2016-04-06 11:04:15 +01:00
mikolas 9ba5bbfd33 Re-factoring and comments in bv_trailing. 2016-04-06 11:04:13 +01:00
Mikolas Janota 248feace34 fixing the behavior in bv_trailing 2016-04-06 11:04:11 +01:00
mikolas fced47386e More work on trailing 0 analysis. 2016-04-06 11:04:09 +01:00
mikolas ddb6ae4eab More work on trailing 0 analysis. 2016-04-06 11:04:07 +01:00
mikolas 78cb1e3c7b More work on trailing 0 analysis. 2016-04-06 11:04:05 +01:00
mikolas c7f1746321 Starting to work on trailing 0 analysis. 2016-04-06 11:04:03 +01:00
mikolas 05ce886afe Avoiding adding spurious +0 in poly_rewriter::cancel_monomials. 2016-04-05 17:26:48 +01:00
Nikolaj Bjorner 709a5d9524 fix bug: & -> && 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 16:09:12 -07:00
Nikolaj Bjorner 89fad8913f fix issue #535 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 08:16:54 -07:00
Nikolaj Bjorner 05a784fa9e fix issue #535 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 08:16:19 -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 701f32471e hardening model checker code against cancellations' 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-21 15:04:20 -07:00
Nikolaj Bjorner 20bbdfe31a moving remaining qsat functionality over 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 15:35:26 -07:00
Nikolaj Bjorner f175f864ec merge useful utilities from qsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 12:01:44 -07:00
Nikolaj Bjorner b0f65335ab update copyright year 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-17 13:07:40 -07:00
Christoph M. Wintersteiger c8af48d7ef Bugfix for bvurem0 model evaluation (+1 rewriting step) 2016-03-17 13:09:52 +00:00
Christoph M. Wintersteiger 6b2d84b2be Fixed model evaluation/simplification for to_ieee_bv. 2016-03-16 17:46:52 +00:00
Christoph M. Wintersteiger 7ec70c1686 bug fixes for unspecified FP results 2016-03-16 16:57:20 +00:00
Christoph M. Wintersteiger db6b9faabc Bugfix for FPA rewriter. 2016-03-16 16:35:45 +00:00
Christoph M. Wintersteiger cdc8e1303a Bugfix for fp.to_*_unspecified. 
Fixes #507
 2016-03-16 16:16:29 +00:00
Christoph M. Wintersteiger 99d7a47f82 Bugfixes for unspecified results from fp.to_* (models are still incomplete). 
Relates to #507
 2016-03-15 21:45:54 +00:00
Christoph M. Wintersteiger 371573cbff More implementation of fp.to_ieee_bv for unspecified input/output 
Relates to #507
 2016-03-15 15:11:37 +00:00
Christoph M. Wintersteiger 176782d62b Bugfix for fp.to_ieee_bv for unspecified input/output. 2016-03-15 14:38:11 +00:00
Christoph M. Wintersteiger b5279d1da8 Bugfix for fp.to_ieee_bv. 
Fixes #507.
 2016-03-11 12:35:41 +00:00
Nuno Lopes 9c620376c2 simplify ast::are_equal(), since pointer equality is sufficient 2016-03-07 13:15:12 +00:00
Nikolaj Bjorner aa1ddd169a fix bug in offset for shift amount for free bindings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-05 15:25:14 -08:00
Nikolaj Bjorner 640308b546 make proto-model evaluation use model_evaluator instead of legacy evaluator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-05 10:27:19 -08:00
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
Zephyr Pellerin b13db1e82e Bugfix for arith_rewriter single operand division 2016-03-04 18:26:00 -08:00
Christoph M. Wintersteiger dbf9609b4c added assertion 2016-03-02 18:06:14 +00:00
Christoph M. Wintersteiger f128c76f23 whitespace 2016-03-02 18:05:14 +00:00
Nuno Lopes 006dc147a8 fix build with gcc 5 2016-02-29 14:34:48 +00:00
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 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 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
Nuno Lopes 73da4dda07 add a bv rewrite pattern: 
(bvsle (- x (srem x c1)) c2) -> (bvsle x (+ c1 c2 - 1))
 2016-02-18 17:45:55 +00:00
Nikolaj Bjorner e2dc7c6f64 add note that current re.complement is non-standard 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-12 17:12:43 +00:00
Nikolaj Bjorner 94453033b6 add partial support for complementation of regular expressions. Handles case of complementing character ranges 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-12 15:59:33 +00:00
Nikolaj Bjorner fc1f37efc9 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-06 16:14:07 +00:00
Nikolaj Bjorner 5b50d98b89 ensure that seq rewriter gets invoked during pre-processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-06 16:13:31 +00:00
Christoph M. Wintersteiger ac19bfb032 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-05 13:53:41 +00:00
Christoph M. Wintersteiger bb5118acbb Bugfix for bv*div0 model construction. 2016-02-05 13:53:35 +00:00
Christoph M. Wintersteiger 21b85c27e1 whitespace 2016-02-05 13:47:14 +00:00
Nikolaj Bjorner cf970fd76a Fix #430: disable rewriting of concatentations with constants because it breaks equality propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-05 10:59:24 +00:00
Nikolaj Bjorner 2a65503235 fix #425 and report from Patrick Trentin of same bug in preprocessing soft constraints that are simplified to true/false 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-04 22:35:02 +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 fe6799699c Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-01 07:51:26 -08:00
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
Nuno Lopes cc6769c866 improve bit-blasting for the case (bvsrem var power-of-two) 
We will now transform bvsrem into an extract + zero extend
Gives ~40% speedup in selected benchmarks

Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2016-02-01 13:46:55 +00:00
Nikolaj Bjorner 6529d43fb1 fix bugs exposed by unit tests from Pierre 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-26 09:50:14 -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 cccd502a4d bug-fixes to sequence theory 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-19 13:57:47 +01:00
Nikolaj Bjorner 88362a1c3a fix bugs in sequence extraction from NFA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 16:32:43 +05:30
Nikolaj Bjorner 150c5c283d update re simplification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 10:11:39 +05:30
Nikolaj Bjorner 2d41b0e29b fix tout -> out. Tune generation of automata transitions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 03:31:30 +05:30
Nikolaj Bjorner 3ff97357a3 fix back rewriting for concat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-14 11:22:11 +01:00
Nikolaj Bjorner de9c959241 add support for re.nostr, re.all, fix bug in disequality handling of sequences, update signature of loop to handle integer arguments and variable arguments 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-14 10:56:03 +01:00
Nikolaj Bjorner a81c7c48d0 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-14 00:56:52 +01:00
Nikolaj Bjorner e0215400e2 add empty/full regular languages, escape sequence fixes, check cancellation inside simplifier 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-13 20:13:17 +01:00
Nikolaj Bjorner 57e1d4dc1f model generation with strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-13 10:39:38 +01:00
Nikolaj Bjorner 9909c056f0 add range / loop handling for re. Fix regression reading mixed numerals reported by Trentin 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-13 00:49:31 -08:00
Nikolaj Bjorner 22fbed18cc fix regressions exposed by build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-12 11:18:52 -08:00
Nikolaj Bjorner db746e0c2f fix more unused variable warning messages 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-12 09:52:16 -08:00
Nikolaj Bjorner db71563478 fix build compiler warnings on OSX 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-12 09:36:01 -08:00
Nikolaj Bjorner 0e6aaf0211 Issue #407 build break 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-07 20:05:49 -08:00
Nikolaj Bjorner ad778f87c7 change data-structures to concanetation decomposition normal form 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-07 16:03:37 -08:00
Nikolaj Bjorner 0c2334417c fix build warnigs with && vs ||, tuning seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-07 06:53:00 -08:00
Nikolaj Bjorner da63ac809e Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-05 10:16:12 -08:00
Nikolaj Bjorner fafdbfaf0e reset out_bits when blasting multiplication of bit-vectors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-05 10:16:02 -08:00
Christoph M. Wintersteiger 8b8dc95986 Merge pull request #398 from wintersteiger/jan4 
Improvements for the FPA API.
 2016-01-05 18:08:05 +00:00
Nikolaj Bjorner 9dfcaaa01d reset out_bits when blasting multiplication of bit-vectors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-05 10:07:44 -08:00
Christoph M. Wintersteiger de3cb7e5dc More FPA exponent/siginficand order consistency 2016-01-05 18:05:21 +00:00
Christoph M. Wintersteiger 1610e4fbd0 Merge branch 'master' of https://github.com/Z3Prover/z3 into jan4 2016-01-05 17:45:35 +00:00
Nikolaj Bjorner ee157e47e4 fix crash caused by recycling variable names. Stackoverflow segfault-in-bv-rewritermk-mul-eq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-05 09:19:21 -08:00
Nikolaj Bjorner 65de39f403 disabling mk_const_case_multiplier until debugged 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-05 08:45:10 -08:00
Christoph M. Wintersteiger 8b47a84598 Merge branch 'master' of https://github.com/Z3Prover/z3 into jan4 2016-01-05 11:34:35 +00:00
Nikolaj Bjorner 3f040dbd23 remove std::cout usage 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-04 22:26:54 -08:00
Nikolaj Bjorner 2c1d2aad44 seq, API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-04 22:06:32 -08:00
Nikolaj Bjorner c1ebf6b4fc seq + API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-04 18:01:48 -08:00
Christoph M. Wintersteiger 05b29df2cb Bugfix for FP API 2016-01-04 21:01:01 +00:00
Christoph M. Wintersteiger 677ff221f8 Internal consistency: FP exponents are always passed before significands. 2016-01-04 18:57:15 +00:00
Nikolaj Bjorner 0c03a87c82 merge with master 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-03 14:08:29 -08:00
Nikolaj Bjorner b5969326bc seq API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-02 23:31:36 -08:00
Nikolaj Bjorner 876fd1f7ba seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-01 09:00:21 -08:00
Nikolaj Bjorner 78550ec816 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-31 07:48:14 -08:00
Nikolaj Bjorner 746d26e744 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-29 21:14:52 -08:00
Nikolaj Bjorner bd9b5b5735 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-29 10:13:19 -08:00
Nikolaj Bjorner 739043e273 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-28 10:28:43 -08:00
Nikolaj Bjorner 071a654a9a seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-27 04:41:25 -08:00
Nikolaj Bjorner 31302ec851 automata 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-25 15:22:26 -08:00
Nikolaj Bjorner f414869456 add symbolic automaton 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-23 19:46:10 -08:00
Christoph M. Wintersteiger 077e801590 Assertion fix. Relates to #383. 2015-12-23 13:41:52 +01:00
Nikolaj Bjorner 9c6271dded add debugging facilities for github issues #384 #367 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-22 10:43:18 -08:00
Nikolaj Bjorner 8e26c97782 tuning bit-vector operations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-21 13:09:03 +02:00
Nikolaj Bjorner 284fcc2c04 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-20 09:43:56 +02:00
Nikolaj Bjorner b1459f4fa3 fix build warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-15 04:57:32 +02:00
Nikolaj Bjorner 43bc6caa55 fix warning messages 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-15 04:11:11 +02:00
Nikolaj Bjorner f3d94db889 bild on gcc #376 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-13 23:47:45 -08:00
Nikolaj Bjorner 72883df134 fix build, add seq features 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-13 16:02:17 -08:00
Nikolaj Bjorner 3c50508762 use ADT for strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-12 20:46:28 -08:00
Nikolaj Bjorner a7e2fb31e3 updates to resource exceptions, update master possibly handle pull request issue 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-12 11:36:49 -08:00
Nikolaj Bjorner 4132fc2d91 ensure limit children are safe for race conditions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-12 10:18:51 -08:00
Nikolaj Bjorner 2a051719d8 cleanup deprecated critical sections, fix cancellation for par_or_else tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-12 09:43:00 -08:00
Nikolaj Bjorner c97db1722d fix index into reversed contains semantics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 22:00:01 -08:00
Nikolaj Bjorner 1aea9722cb moving to resource managed cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 16:56:23 -08:00
Nikolaj Bjorner baee4225a7 reworking cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 16:21:24 -08:00
Nikolaj Bjorner 32b6b2da44 moving to resource managed cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 13:13:11 -08:00
Nikolaj Bjorner 5eb23e1e7a seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-10 19:20:16 -08:00
Nikolaj Bjorner 30580a012a seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-10 02:38:56 -08:00
Nikolaj Bjorner f9ca66d90b seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 23:19:16 -08:00
Nikolaj Bjorner c5a9d81d93 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 20:17:00 -08:00
Nikolaj Bjorner 035f2bb0da disable unsound simplification of root objects, and incorrect evaluation of negative even roots 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 08:41:59 -08:00
Nikolaj Bjorner b9302e6caf seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 00:38:03 -08:00
Nikolaj Bjorner 94bd2fdbe4 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 21:03:28 -08:00
Nikolaj Bjorner 895d032996 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 10:33:09 -08:00
Nikolaj Bjorner 2b190039d5 Merge branch 'master' of https://github.com/Z3Prover/z3 2015-12-08 03:35:03 -08:00
Nikolaj Bjorner e7687132ed seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 03:34:58 -08:00
Nikolaj Bjorner ca96fea2c0 add seq methods 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-07 16:28:20 -08:00
Nikolaj Bjorner a9f5c2f864 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-07 15:01:46 -08:00
Nikolaj Bjorner 03d1391ded merge seq and string operators 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 23:37:37 -08:00
Nikolaj Bjorner 8bb73c8eae merge seq and string operators 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 23:34:28 -08:00
Nikolaj Bjorner 08bfd08412 merging seq and string 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 22:15:56 -08:00
Nikolaj Bjorner 89fe24342d fix size_t mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 11:06:58 -08:00
Nikolaj Bjorner 40e9e4c7f8 more rewrites 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 10:44:19 -08:00
Nikolaj Bjorner 4fe0e07080 indexof 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-05 16:36:11 -08:00
Nikolaj Bjorner 5296009f46 ground string rewriting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-05 15:38:54 -08:00
Nikolaj Bjorner 75359c580e add basic rewriting to strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-05 12:02:33 -08:00
Christoph M. Wintersteiger 5f8f0b1280 Added bool rewriter case. 2015-11-12 14:49:21 +00:00
Christoph M. Wintersteiger 87ae5888ee whitespace 2015-11-12 14:48:29 +00:00
Christoph M. Wintersteiger 1807acdf26 tabs, whitespace 2015-11-09 17:50:50 +00:00
Christoph M. Wintersteiger bd94b59a92 Bugfix for arith rewriter to avoid rewriting loops. 2015-11-03 13:00:10 +00:00
Christoph M. Wintersteiger 27140c527c trailing whitespace 2015-11-03 12:56:29 +00:00
Christoph M. Wintersteiger 92152b16ca Bugfixes for model verification of unspecified values of fp.min/fp.max 2015-11-02 19:25:44 +00:00
Nikolaj Bjorner 7838213675 eliminate to_real coersions to make mixed integer problems easier to digest. Issue #277 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-10-30 15:12:21 -07:00
Christoph M. Wintersteiger 8fffa9f188 Removed trailing whitespace. 2015-10-30 12:20:41 +00:00
Christoph M. Wintersteiger 9b5abcd55a Improved support for FPA unspecified min/max values, model validation, and proof generation. 2015-10-25 13:10:40 +00:00
Christoph M. Wintersteiger ca496f20cb Partial refactoring of fpa2bv conversion to support proofs. 2015-10-25 13:10:40 +00:00
Christoph M. Wintersteiger 099775947e Partial fix for fp,min/fp.max models 2015-10-25 13:10:40 +00:00
Nuno Lopes 0e387b2abe use Z3_fallthrough instead of __falthrough directly to avoid messing with reserved identifiers 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-10-09 18:06:49 +01:00
Christoph M. Wintersteiger de39173f6f Corrected unspecified behavior of fp.min/fp.max corner cases in fpa2bv_converter and in theory_fpa. 
Fixes #68
 2015-10-07 20:44:08 +01:00
Christoph M. Wintersteiger 8a026c355f Corrected unspecified behavior of corner cases in fp.min/fp.max. 
Partially addresses #68.
 2015-10-07 20:39:36 +01:00
Nikolaj Bjorner d9b6623400 include rlimit in nlsat, include dedicated error message, for issue #216 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-29 09:16:46 -07:00
Nikolaj Bjorner 9b3e242990 adding rlimit resource limit facility to provide platform and architecture independent method for canceling activities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-28 13:37:59 -07:00
Christoph M. Wintersteiger 79d69cd5f0 Added FP to_ieee_bv to fpa_rewriter to enable model evaluation. 2015-09-16 12:57:05 +01:00
Christoph M. Wintersteiger a1073206f9 Bugfix for FP rewriter. 2015-09-15 16:23:24 +01:00
Christoph M. Wintersteiger 25f75b60fe Bugfix for fp.mul and fp.fma for small numbers of e/s bits. 
Fixes #215.
 2015-09-10 11:37:06 +01:00
Nikolaj Bjorner cc5d719d9e enable incremental bit-vector solving 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-01 09:48:35 -07:00
Nikolaj Bjorner ef7915858b add filter to detect circumventing the default semantics of bit-vector division with the use of the sat-based bit-vector solver. Provides a way to fix issue #190 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-24 16:27:07 -07:00
Nikolaj Bjorner 8505ca843b recognize more pb patterns 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-08 13:39:39 +02:00
Nikolaj Bjorner 4bc044c982 update header guards to be C++ style. Fixes issue #9 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-07-08 23:18:40 -07:00
Nuno Lopes b65d5797f8 optimize expr_safe_replace for when a subexpression has no substitutions 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-06-03 17:21:01 +01:00
Christoph M. Wintersteiger fec815b41e Various variable renamings to avoid conflicts with previously defined local variables, function parameters, or members (Visual Studio 2015 warnings). 2015-05-29 18:13:39 +01:00
Christoph M. Wintersteiger 9428acd578 Bugfix for FPA rewriter. 2015-05-29 13:58:33 +01:00
Christoph M. Wintersteiger 7619d609f9 FPA min/max -+0.0 special cases changed to +0.0 instead of second argument. 
Fixes #68
 2015-05-28 12:20:48 +01:00
Christoph M. Wintersteiger eee076b9f8 Bugfixes for fp.min, fp.max. 
Fixes the fix for #68
 2015-05-21 18:16:02 +01:00
Matthias Schlaipfer c82319b358 Refactor count_vars and count_rule_vars 
ast_manager m was not used
 2015-05-14 17:04:38 +01:00