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214 commits

Author SHA1 Message Date
Nikolaj Bjorner
9f9c575451 fix bug exposed when running test-z3.exe /a in debug mode, #1159. Add assertions to heap interaction 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-07-25 16:26:45 -07:00
Nikolaj Bjorner
b915f78281 merge with master 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-07 17:05:57 -07:00
Murphy Berzish
5b4792955d theory-aware branching heuristic 2017-05-02 10:43:40 -04:00
Nikolaj Bjorner
48e37b0e16 pass qhead 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-01 16:54:22 -07:00
Murphy Berzish
2f56d128b0 add theory case split support to smt_context 2017-05-01 10:34:43 -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
dedc130e98 Merge branch 'master' of https://github.com/Z3Prover/z3 2017-04-25 10:30:16 -07:00
Nikolaj Bjorner
bd8b0186d6 make SMT consequence finding work with compound terms and formulas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-25 10:30:10 -07:00
Nikolaj Bjorner
48b62d34b7 make sure consequence generation works with interpreted atoms/terms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-24 18:08:52 -07:00
Nikolaj Bjorner
5068d2083d tidy 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-22 11:36:03 -07:00
Murphy Berzish
a1bb1f2a13 pre-init assumptions and unsat core validation for smt theories 2017-04-22 13:15:00 -04:00
Nikolaj Bjorner
e05cee757b properly handle recursive function definitions #898 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-24 10:10:42 -07:00
Nikolaj Bjorner
228111511c fixing build break, addressing #935 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-11 18:41:36 +01:00
Nikolaj Bjorner
05c5b3b07b merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-09 22:45:52 +01:00
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
49d7fd4f9c updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-26 09:27:57 -08:00
Christoph M. Wintersteiger
ba9d36605b Formatting, whitespace 2017-01-10 20:22:20 +00:00
Nikolaj Bjorner
8d09b6e4a8 add at-least and pbge to API, fix for issue #864 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-09 21:23:00 -08:00
Nikolaj Bjorner
024082a45f adding preferred sat, currently disabled, to wmax. Fixing issue #815 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-30 09:52:05 -08:00
Nikolaj Bjorner
ea601dd403 fix and coallesce clique functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-19 03:55:48 -08:00
Nikolaj Bjorner
e9db934f1a improving perf of mutex finding, revert semantics of 0 timeout to no-timeout. Issue #791 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-17 04:26:17 +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
76cf28d48b move from uint_set to hashtable over unsigned to save memory overhead in consequence generation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-08 13:34:59 -07:00
Nikolaj Bjorner
c5dd441947 fixes to consequence generation and cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-07 11:50:26 -07:00
Nikolaj Bjorner
3b70dd6678 tuning by using get_consequences2 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-06 14:29:40 +08:00
Nikolaj Bjorner
dc48008d46 fixestoconsequences 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-02 11:00:40 +08:00
Nikolaj Bjorner
c746d46d80 add validation code, fix bugs in consequence finder 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-01 16:21:23 +08:00
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
491b3b34aa tune consequence finding. Factor solver pretty-printing as SMT-LIB into top-level 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-08-03 11:14:29 -07:00
Nikolaj Bjorner
cb2d8d2107 add detection of non-fixed variables to consequence finding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-30 19:12:41 -07:00
Nikolaj Bjorner
d32019f4c9 fix consequence tracking for negated assumptions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-30 10:49:06 -07:00
Nikolaj Bjorner
8221a09659 fast path for antecedent extraction in smt_context 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-28 16:49:19 -07:00
Nikolaj Bjorner
9c099d6b1b fix mb maximization logic, so far not accessible 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-20 16:39:03 -07:00
Nikolaj Bjorner
67397bf71e enable logic parameter update to configure SMTLIB logic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-01 09:48:24 -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
85d44c5d66 fix axioms for extract, add extensionality checking for shared variables, convert exceptions to unknown status per #419 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-18 11:09:41 +05:30
Nikolaj Bjorner
fce286db91 Issue #354. Fix unsoundness in Array theory based on missing propagation of selects over ite expressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-10 17:11:12 -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
1758799ef4 add translate facility to inc_sat_solver. Limit lemma copying to unit lemmas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-07 10:00:14 -08:00
Nikolaj Bjorner
3d993a4ee1 Merge branch 'master' of https://github.com/Z3Prover/z3 into nsb/master 2015-11-06 17:29:53 -08:00
Nikolaj Bjorner
b4cb51cdb3 working on Forking/Serializing a z3 Solver #209 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-06 17:29:24 -08:00
Nikolaj Bjorner
fc592fc856 fix for #291. The root issue is that the set of antecedents is recycled as a fixed object between routines. Antecedents that were already allocated for a Gomory cut got reset by the internalizer. This causes unsound bounds axioms to be created 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-05 15:08:42 -08:00
Nikolaj Bjorner
9acaa49a05 adding translation routine to context to address enhancement request #209 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-10-31 14:28:21 -07:00
Nikolaj Bjorner
4b1a730f46 API method for translating context 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-10-31 12:47:16 -07:00
Nikolaj Bjorner
5d71190468 add catch for cancellation intermixed with return value l_true. To address regressions in QF_LIA tests 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-29 16:50:59 -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
Nuno Lopes
45cfb80d14 tentatively fix another issue with char signedness as reported in issue #210 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-09-10 09:01:44 +01:00
Nikolaj Bjorner
db24cb8087 add core validation option to directly validate cores using the context 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-10 10:56:07 +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
Nikolaj Bjorner
08cb8b8de8 address divergence in the case of shared theory symbols. Codeplex issue 147, thanks to George Karpenkov 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-12-09 16:04:25 +01:00