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29 commits

Author SHA1 Message Date
Arie Gurfinkel
fffc8489bf Switched compute_implicant_literals to use new model API 2018-06-16 13:43:30 -07:00
Nikolaj Bjorner
b6c43f6143 move files for build script
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-06-15 15:13:55 -07:00
Nikolaj Bjorner
2e44850df9 move term graph closer to qe
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-06-14 16:08:51 -07:00
Arie Gurfinkel
4a2eb909bf Re-fixing a bug in compute_implicant_literals() 2018-06-14 16:08:51 -07:00
Arie Gurfinkel
18e3c7b13d Fix bug introduced by formatting 2018-06-14 16:08:51 -07:00
Nikolaj Bjorner
f3466bb3e4 tidy
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-06-14 16:08:51 -07:00
Arie Gurfinkel
4ca734528e Formatting 2018-06-14 16:08:50 -07:00
Arie Gurfinkel
a8438e081e Wired qe::mbp into spacer
use option fixedpoint.spacer.native_mbp=true to use it
2018-06-14 16:08:49 -07:00
Nikolaj Bjorner
20300bbf94 updates to mbqi
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-06-14 16:08:49 -07:00
Arie Gurfinkel
00f870b7ff to_mbp_benchmark(): prints an mbp problem in benchmark format
currently unused. See comment in spacer_util.c:qe_project for example
usage
2018-06-14 16:08:49 -07:00
Nikolaj Bjorner
402234757e updates to mbqi
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-06-14 16:08:49 -07:00
Arie Gurfinkel
054c6196a0 Move spacer qe into spacer_qe namespace
Attempt to solve compilation issues with GCC and current replication
of qe namespace inside and outside spacer
2018-06-14 16:08:49 -07:00
Nikolaj Bjorner
7931bd1dfc updates to mbqi
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-06-14 16:08:48 -07:00
Nikolaj Bjorner
ff0f257102 remove iff
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-06-14 16:08:48 -07:00
Yakir Vizel
23a8e59493 Initial commit of QGen
Controlled by fixedpoint.spacer.use_quanti_generalizer

measure cumulative time, number of invocations, and number of failed
SMT calls

Relaxing equality in a pattern: if a variable equals a numeral, relax with GE

pob::get_skolems() returns all skolems that might appear in the pob.
New skolems must be added above the largest index in that map,
even if they are not used in the pob itself.

pattern generalization should be done before the pattern is skolemized and
added into the new cube.
2018-06-14 16:08:47 -07:00
Arie Gurfinkel
09d54c10a6 Wire term graph into spacer normalizer 2018-06-14 16:08:47 -07:00
Arie Gurfinkel
880fc77655 Further rewrite equalities 2018-06-14 16:08:47 -07:00
Arie Gurfinkel
9f0eb367b1 ground lemmas during propagation when qlemmas are disabled
When asserting quantified lemmas are disabled, ground a lemma
explicitly during propagate to make sure that it is ground using our
local set of skolem constants.
2018-06-14 16:08:47 -07:00
Nikolaj Bjorner
c513f3ca09 merge with master
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-03-25 14:57:01 -07:00
Nikolaj Bjorner
8e09a78c26 fix #1510 by reintroducing automatic declaration of recognizers
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-03-02 23:02:20 +09:00
Bruce Mitchener
76eb7b9ede Use nullptr. 2018-02-12 14:05:55 +07:00
Nikolaj Bjorner
2f218b0bdc remove also cores as arguments to tactics
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-11-19 12:18:50 -08:00
Nikolaj Bjorner
4bbece6616 re-organize proof and model converters to be associated with goals instead of external
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-11-18 16:33:54 -08:00
Nikolaj Bjorner
df6b1a707e remove proof_converter from tactic application, removing nlsat_tactic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-11-17 23:32:29 -08:00
Nikolaj Bjorner
637a0fa139 unused warnings
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-10-24 08:49:25 -07:00
Nikolaj Bjorner
f63439603d streamlining proof generation (initial step of removing ast-manager dependency). Detect error in model creation when declaring constant with non-zero arity. See #1223
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-10-23 21:16:46 -07:00
Arie Gurfinkel
88a35119b9 moved obj_equiv_class to ast 2017-08-01 19:24:50 -04:00
Arie Gurfinkel
25c6480e6e updated include directives 2017-07-31 23:16:42 -04:00
Arie Gurfinkel
5b9bf74787 Spacer engine for HORN logic
The algorithms implemented in the engine are described in the following papers

Anvesh Komuravelli, Nikolaj Bjørner, Arie Gurfinkel, Kenneth L. McMillan:
Compositional Verification of Procedural Programs using Horn Clauses over Integers and Arrays. FMCAD 2015: 89-96

Nikolaj Bjørner, Arie Gurfinkel:
Property Directed Polyhedral Abstraction. VMCAI 2015: 263-281

Anvesh Komuravelli, Arie Gurfinkel, Sagar Chaki:
SMT-Based Model Checking for Recursive Programs. CAV 2014: 17-34
2017-07-31 17:02:29 -04:00