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6022 commits 25 branches 48 tags 158 MiB
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181 commits

Author SHA1 Message Date
Nikolaj Bjorner
5cb21924ad ensure that FD logic understands pb from command context 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-17 16:02:54 -08:00
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
ef9230d8f8 detect quantifiers in model expressions to quiet down failing model validation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-07 06:56:36 -08:00
Nikolaj Bjorner
51a4085910 check for logic in solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-04 15:19:11 +00:00
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
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
Christoph M. Wintersteiger
df2a569d25 Replaced antiquated header with modern equivalent. 2016-10-24 13:29:17 +01:00
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
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
9f77759cd6 ensure that status is displayed in SMT-LIB2 compliant way. Issue #734 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-13 10:34:34 -07:00
Nikolaj Bjorner
439e8e6b04 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-08-20 03:53:55 -07:00
Nikolaj Bjorner
f2b5c11d1c add option for prettier proof printing, Issue #706 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-08-20 03:52:45 -07:00
Christoph M. Wintersteiger
b74bff7fb7 logic detection fix 2016-08-10 11:39:47 +01:00
Christoph M. Wintersteiger
03aa6914a3 Fixed sub-logic detection for the ALL logic. 2016-08-09 13:20:45 +01:00
Nikolaj Bjorner
7562efbe84 add consequence command 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-30 12:59:29 -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
Nikolaj Bjorner
b56837e09b fix build break: throw only on invalid model 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-20 13:11:22 -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
73cdf809fe Merge branch 'master' of https://github.com/Z3Prover/z3 2016-07-09 12:36:22 -07:00
Nikolaj Bjorner
0a6b03808c fix core extraction for QF_BV theory/inc_sat_solver based on regressions pointed out by Matthias Heizmann and Tjark Weber 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-09 12:35:54 -07:00
Nikolaj Bjorner
8f862f8fed fix core extraction for QF_BV theory/inc_sat_solver based on regressions pointed out by Matthias Heizmann and Tjark Weber 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-09 12:35:11 -07:00
Christoph M. Wintersteiger
7cf80845fd Merge pull request #675 from FabianWolff/master 
Fix spelling errors
 2016-07-09 17:32:10 +01:00
Nikolaj Bjorner
3d73fe55c7 track assumptions when calling check-sat. regression detected by Tjark Weber running core extraction 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-09 05:31:49 -07:00
Nikolaj Bjorner
53b3edc8cc add cases for recognizing ALL. Issue #674 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-09 05:18:26 -07:00
Fabian Wolff
6eaab00e83 Fix spelling errors 2016-07-09 11:46:43 +02:00
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
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
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
e29adbf304 fix issues #581: nested timeouts canceled each-other 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-30 11:18:34 -07:00
Nikolaj Bjorner
4ebf392da7 Fixes #564: use std::vector on std::strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-16 09:26:13 -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
5994c5a948 fix partial model tracking over cancellation/exceptions, reported by August Shi. Fix regression test for fp-to-real, reset the pre-processor in inc_sat_solver on exceptions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-07 16:42:29 -08:00
Nikolaj Bjorner
7c6540e18f recursive function definitions; combine model-building functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-03 07:59:03 -08:00
Nikolaj Bjorner
a25336a899 fix test build, working on rec-functions and automata complementation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-01 22:31:44 -08:00
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
Mikolas Janota
470f8bca73 Merge remote-tracking branch 'upstream/master' into lackr 2016-01-26 16:51:57 +00:00
Mikolas Janota
c2edf2c5bf Merge remote-tracking branch 'upstream/master' into lackr 2016-01-25 13:04:46 +00:00
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
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
a295dd48dc add seq_rewriter to model_evaluator, remove th_rewriter additional step in validator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 04:02:48 +05:30
Nikolaj Bjorner
7cbd59bf06 enhance model validation to invoke rewriter if result isn't true using the simplify-based model evaluator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 03:40:33 +05:30
Mikolas Janota
5706df30c6 Fixing soft timeout for check-sat-using. 2016-01-08 16:17:34 +00:00
Nikolaj Bjorner
521271e559 moving to resource managed cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 17:46:22 -08:00
Nikolaj Bjorner
96d1066c6a reworking cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 16:43:48 -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
981f8226fe moving to resource managed cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 13:36:47 -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
58411f64e8 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-10 20:25:12 -08:00
Nikolaj Bjorner
5eb23e1e7a seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-10 19:20:16 -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