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1253 commits 23 branches 48 tags 157 MiB
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303 commits

Author SHA1 Message Date
Nikolaj Bjorner 0210156bf0 add convex interior generalizer 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-06-10 10:51:56 -04:00
Nikolaj Bjorner b6d9d8a601 fix bugs reported by Nuno Lopes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-06-04 12:55:35 -07:00
Nikolaj Bjorner bd064bf5d0 enable UTVPI by default 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-06-03 11:46:13 -07:00
Nikolaj Bjorner c0895e5548 remove hassel table from unstable: does not compile under other plantforms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-31 17:48:19 -07:00
Nikolaj Bjorner 60c4973c1d fix crash in proof generation in BMC 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-29 17:56:23 -07:00
Nuno Lopes 9a66696639 merge hassel table code from branch 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-05-29 14:35:32 -07:00
Nikolaj Bjorner 7c12ab4716 fix some compiler warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-25 14:40:57 -07:00
Nikolaj Bjorner ccf10d0abe fix crash in PDR engine when transformations don't produce output predicates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-25 14:38:02 -07:00
Leonardo de Moura 09945dc2cb Fix compilation error with gcc 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-05-23 08:07:19 -07:00
Nuno Lopes dc91a754dd improve clp solver 
- run default rule transformations
 - sort a predicate's rules by number of queries in the body to bias search

Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-05-21 10:48:55 -07:00
Nuno Lopes aea667d09b fix a one-too-many in my previous commit 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-05-17 12:17:35 -07:00
Nuno Lopes d1999b3424 AIG exporter: create latches lazily 
properly check for constants

Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-05-17 09:46:30 -07:00
Nuno Lopes 6560fc0a2c add experimental Horn clause to AIG (AAG format) converter. 
Clauses should be over booleans only (or bit-blasted with fixedpoint.bit_blast=true).
We will crash if that's not the case.
Only linear clauses supported for now

Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-05-16 09:58:31 -07:00
Nuno Lopes 100e396618 fix typo in my previous commit 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-05-15 13:33:42 -07:00
Nuno Lopes 5efdc58194 horn clause bit blasting: propagate output predicates for predicates without rules (most likely an UNSAT prog) 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-05-15 13:17:00 -07:00
Nuno Lopes e6c8149873 horn rule bit blaster: fix propagation of output predicates when arity == 0 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-05-15 10:50:46 -07:00
Nikolaj Bjorner ac6488a195 relax pre-processing to untangle non-horn formulas, based on Eldarica/linear benchmarks 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-13 13:21:45 -07:00
Nikolaj Bjorner 5eed106ffe fix parameters in utvpi and make Karr invariants use backward propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-12 17:02:25 -07:00
Nikolaj Bjorner 622484929f postpone rule flushing dependent on engine 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-06 01:33:40 +02:00
Nikolaj Bjorner 717f131942 fix warnings and errors from the mint64 build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-01 19:54:40 +01:00
Nikolaj Bjorner 7cb9e7381d fix build errors on ubuntu and gcc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-01 02:35:57 -07:00
Nikolaj Bjorner 351cea1439 Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2013-04-30 11:53:56 -07:00
Nikolaj Bjorner 21b0a4fcbb testing utvpi 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-30 11:53:10 -07:00
Nuno Lopes f40df22ccc enable COI transformation in datalog mode 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-04-30 10:29:41 -07:00
Nikolaj Bjorner fbe4af6336 add backward propagation transformation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-28 13:39:26 -07:00
Nikolaj Bjorner e6d6c55df0 Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2013-04-28 13:20:49 -07:00
Nikolaj Bjorner 4471d929f7 fix linking error in debug mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-28 13:20:31 -07:00
Nikolaj Bjorner 160a448823 Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2013-04-28 12:51:58 -07:00
Nikolaj Bjorner 3ac7cbe1c5 fix build breaker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-28 12:51:33 -07:00
Nikolaj Bjorner 8abdefef6d Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2013-04-28 12:48:10 -07:00
Nikolaj Bjorner 3f45782814 tidy up clp_context a bit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 17:22:06 -07:00
Nikolaj Bjorner 80f2b70e78 fix header information 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 16:12:52 -07:00
Nikolaj Bjorner d1938ce972 add simple bounded CLP backend 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 16:11:07 -07:00
Nikolaj Bjorner 65b52ba3e9 add simple bounded CLP backend 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 16:10:46 -07:00
Nikolaj Bjorner 8038c719fb optimize rule preprocessing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 14:40:20 -07:00
Nikolaj Bjorner b644fb9875 optimize rule processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 12:02:19 -07:00
Nikolaj Bjorner c58b4f9a53 optimize rule processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 11:43:06 -07:00
Nikolaj Bjorner 83add2bd9b fix bugs reported by Filip Konecny <filip.konecny@epfl.ch> in PDR 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-25 13:39:11 -07:00
Nikolaj Bjorner 780ad7cc17 fix seg-fault caused by neglecting to inherit output predicate in slice 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-25 09:30:51 -07:00
Nikolaj Bjorner 4f9247a28a Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2013-04-24 20:04:01 -07:00
Nuno Lopes f58e8e961d fix the build 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-04-23 14:59:19 -07:00
Nuno Lopes 9c230941cc [datalog] improve performance of smt2 frontend 
- delay calls to make_annotations and process_costs untill needed
 - remove debug exception handler in join()

Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-04-23 12:01:50 -07:00
Nuno Lopes 1917c909d8 delete garbage 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-04-23 11:28:09 -07:00
Nuno Lopes 12b092c45f [datalog] restore the old (linear) cycle breaker 
force the compiler to use all preds as global deltas for correctness.  This is a temporary fix.

Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-04-23 11:27:27 -07:00
Nuno Lopes 08eb85fe3d minor cleanup 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-04-23 10:02:44 -07:00
Nikolaj Bjorner a1277a57ae resolved conflicts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-23 10:01:50 -07:00
Nikolaj Bjorner d849dbf21f remove pointer comparisons/hash 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-23 09:58:30 -07:00
Nuno Lopes db653a6e68 [datalog] merge changes from the hassel branch 
Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
 2013-04-22 09:05:27 -07:00
Nikolaj Bjorner 4ceb228583 Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2013-04-21 18:17:56 -07:00
Nikolaj Bjorner 0fbdd37e89 working on horn difference logic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-21 18:17:49 -07:00