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Code Activity
6580 commits 28 branches 52 tags 171 MiB
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1360 commits

Author SHA1 Message Date
Nikolaj Bjorner
f61600d1d8 fixing unsat core extraction for tactics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-02 14:14:55 +00:00
Murphy Berzish
3da78f9d80 experimental cached length testers in theory_str 2016-11-01 20:35:01 -04:00
Nikolaj Bjorner
46c4fdaae5 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-11-01 18:39:00 +01:00
Murphy Berzish
a5b00641d8 Merge branch 'develop' of github.com:mtrberzi/z3 into develop 2016-11-01 13:02:59 -04:00
Nikolaj Bjorner
305e080239 enable unsat core extraction in nlsat_tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-01 17:57:28 +01:00
Christoph M. Wintersteiger
026309a325 bugfix for disequality propagation in smt_context 2016-11-01 14:21:06 +00:00
Murphy Berzish
452eed6626 move get_std_regex_str to str_util 2016-10-29 12:19:24 -04:00
Nikolaj Bjorner
7764148dd3 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-28 07:42:27 -07:00
Nikolaj Bjorner
4d078dc0a9 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-28 07:17:49 -07:00
Nikolaj Bjorner
7d7e03e377 rewind qhead to ensure re-propagation after cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 16:23:33 -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
4bd83724dd remove conflict on false disequality, introduced regression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-26 19:15:05 -07:00
Nikolaj Bjorner
461e88e34c additional robustness check for incremental sat solver core when it recieves interpreted constants, added PB equality to interface and special handling of equalities to adddress performance gap documented in #755 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-25 20:32:13 -07:00
Nikolaj Bjorner
a880e5f49b fix incorrection assertion when checking signs of literals, exposed by miTLS regressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 13:12:36 -07:00
Nikolaj Bjorner
c68c56b0e7 fix incorrect assertion when checking signs of literals, exposed by mitls regressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 13:09:27 -07:00
Nikolaj Bjorner
33e7dccd42 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 09:11:02 -07:00
Nikolaj Bjorner
0439b795b4 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-10-24 09:10:40 -07:00
Christoph M. Wintersteiger
5716eaafed whitespace 2016-10-24 12:50:05 +01:00
Nikolaj Bjorner
4f3f21bff1 disable local optimization in presence of non-linear constraints, addresses issue #758 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-23 21:45:35 -07:00
Nikolaj Bjorner
b92bd89a45 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-23 20:53:10 -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
e32e0d460d fix at-most-1 constraint compiler bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-22 21:50:45 -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
b06b9f9264 str.to-int WIP 2016-10-21 13:35:35 -04:00
Nikolaj Bjorner
bb6d826908 use index j to avoid superficial, but typically flagged, name clash with internal index i 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-20 22:17:11 -07:00
Nikolaj Bjorner
9cd7b9b4f6 fix mutex finding for smt-core: it was returning mutexes for negations of literals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-20 22:13:23 -07:00
Nikolaj Bjorner
ef9486913b Merge branch 'master' of https://github.com/Z3Prover/z3 2016-10-19 08:57:16 -07:00
Nikolaj Bjorner
527980e440 local 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-19 08:57:10 -07:00
Christoph M. Wintersteiger
948bf9540f Fix for previous commit. 2016-10-19 12:07:33 +01:00
Christoph M. Wintersteiger
11997afb5d Fixed potential problems with invalidated iterators. 2016-10-19 12:00:34 +01:00
Nikolaj Bjorner
881e82e3fa remove legacy interface to dt2bv tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-18 23:04:17 -04:00
Christoph M. Wintersteiger
4546915238 Fixed iterator invalidation bug in theory_arith_nl. 
Indirectly relates to #740
 2016-10-18 17:17:19 +01:00
Christoph M. Wintersteiger
9fef51553c Whitespace 2016-10-18 17:15:43 +01:00
Nikolaj Bjorner
948a1e600e undo breaking commit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-18 10:27:47 -04:00
Nikolaj Bjorner
4cae91b096 spacing, unit test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-17 08:07:23 -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
Christoph M. Wintersteiger
009af4455d Refactored and fixed model conversion for fpa2bv conversion of unspecified values via theory_fpa. 2016-10-15 18:35:39 +02:00
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
8d2b70a5e2 better encodings for at-most-1, #755 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-10 23:46:03 -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
Murphy Berzish
dc8062ba67 patch out contains check for substr reduction 
fixes all regressions in release build, we may want to revisit this later
 2016-09-22 20:14:42 -04:00
Murphy Berzish
1061cdf58a fix value tester theory var reuse in theory_str 
fixes release regression in charAt-007
 2016-09-22 15:40:43 -04:00
Murphy Berzish
4433417b6e faster push_scope in theory_str 2016-09-20 16:25:28 -04:00
Murphy Berzish
feef85c129 override scope check in theory_str::solve_concat_eq_str 
fixes indexof2-009.smt2
 2016-09-20 15:37:29 -04:00
Murphy Berzish
48eaa6159c disable aggressive unroll testing in theory_str, it may be doing more harm than good 2016-09-20 01:10:27 -04:00
Murphy Berzish
447c6e4ce3 refresh length tester in theory_str::gen_len_val_options_for_free_var 
fixes charAt-007.smt2
 2016-09-20 00:28:29 -04:00
Murphy Berzish
f1d7ffcdce fix regression regex-020 2016-09-20 00:14:38 -04:00
Murphy Berzish
9615b191de theory_str hacking for theory var stuff WIP 2016-09-19 23:40:17 -04:00