| Wed, 17 Nov 2021 15:09:10 +0100 |
fleury |
generate problems with correct logic for veriT
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| Wed, 20 Oct 2021 18:13:17 +0200 |
wenzelm |
discontinued obsolete "val extend = I" for data slots;
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| Tue, 28 Sep 2021 22:14:02 +0200 |
wenzelm |
clarified antiquotations;
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| Wed, 06 Dec 2017 20:43:09 +0100 |
wenzelm |
prefer control symbol antiquotations;
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| Sun, 01 Oct 2017 15:01:39 +0200 |
blanchet |
properly take quantifiers into account (cf. my Ph.D. thesis, Section 6.4.1) and offer three modes of completeness (for experiments mostly)
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| Tue, 29 Aug 2017 18:30:23 +0200 |
blanchet |
towards support for HO SMT-LIB
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| Tue, 20 Jun 2017 14:41:35 +0200 |
blanchet |
tuning
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| Tue, 20 Jun 2017 14:33:45 +0200 |
blanchet |
correctly unfold applied 'let's (e.g. '(let x = a in f) b') -- and removed dead code
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| Fri, 04 Dec 2015 14:15:16 +0100 |
blanchet |
removed needless complication for modern SMT solvers
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| Wed, 24 Sep 2014 15:46:25 +0200 |
blanchet |
interleave (co)datatypes in the right order w.r.t. dependencies
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| Wed, 17 Sep 2014 17:32:27 +0200 |
blanchet |
added codatatype support for CVC4
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| Wed, 17 Sep 2014 16:53:39 +0200 |
blanchet |
added interface for CVC4 extensions
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| Thu, 28 Aug 2014 00:40:38 +0200 |
blanchet |
renamed new SMT module from 'SMT2' to 'SMT'
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| Wed, 18 Apr 2012 10:53:28 +0200 |
blanchet |
avoid generating syntactically invalid patterns (with "if_then_else") in SMT-LIB files
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| Sat, 18 Feb 2012 23:43:21 +0100 |
boehmes |
corrected treatment of applications of built-in functions to higher-order terms
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| Wed, 20 Jul 2011 15:09:53 +0200 |
boehmes |
removed debugging facilities accidentally left in the committed code
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| Wed, 20 Jul 2011 12:23:20 +0200 |
boehmes |
generalized lambda-lifting such that it is less specifically tailored for SMT (it does not anymore dependent on any SMT-specific code)
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| Wed, 20 Jul 2011 09:23:12 +0200 |
boehmes |
moved lambda-lifting on terms into a separate structure (for better re-use in tools other than SMT)
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| Thu, 14 Jul 2011 17:29:30 +0200 |
blanchet |
allow lambda-lifting without triggers
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| Sun, 26 Jun 2011 19:10:02 +0200 |
boehmes |
generalized introduction of explicit application constant: consider more functions as possible witness/instance of quantifiers than before (a constant of type T1 -> T2 -> T3 should be considered to have a rank less or equal to 1 if variables of type T2 -> T3 occur bound in a problem);
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| Wed, 22 Jun 2011 15:07:03 +0200 |
boehmes |
export lambda-lifting code as there is potential use for it within Sledgehammer
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| Tue, 14 Jun 2011 13:50:54 +0200 |
boehmes |
slightly more general treatment of mutually recursive datatypes;
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| Sun, 05 Jun 2011 15:00:17 +0200 |
boehmes |
made introduction of explicit application stable under removal of vacuous facts (which only lower the rank of constants but do not participate in the proof)
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| Fri, 08 Apr 2011 19:04:08 +0200 |
boehmes |
fixed eta-expansion: use correct order to apply new bound variables
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| Fri, 08 Apr 2011 19:04:08 +0200 |
boehmes |
unfold and eta-contract let expressions before lambda-lifting to avoid bad terms
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| Mon, 21 Feb 2011 09:14:48 +0100 |
boehmes |
wrap occurrences of quantifiers in first-order terms (i.e., outside first-order formulas) in If-expressions
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| Mon, 03 Jan 2011 16:22:08 +0100 |
boehmes |
re-implemented support for datatypes (including records and typedefs);
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| Mon, 20 Dec 2010 22:02:57 +0100 |
boehmes |
avoid ML structure aliases (especially single-letter abbreviations)
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| Sun, 19 Dec 2010 18:54:29 +0100 |
boehmes |
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
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| Fri, 17 Dec 2010 18:15:56 +0100 |
wenzelm |
merged
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| Fri, 17 Dec 2010 14:36:33 +0100 |
boehmes |
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
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| Fri, 17 Dec 2010 13:12:58 +0100 |
wenzelm |
tuned;
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| Thu, 16 Dec 2010 13:54:17 +0100 |
boehmes |
merged
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| Thu, 16 Dec 2010 13:34:28 +0100 |
boehmes |
fix lambda-lifting: take level of bound variables into account and also apply bound variables from outer scope
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| Thu, 16 Dec 2010 12:33:06 +0100 |
boehmes |
fixed introduction of explicit application function: bound variables always need explicit application if they are applied to some term
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| Thu, 16 Dec 2010 12:07:36 +0100 |
boehmes |
fixed eta-expansion: introduce a couple of abstractions at once
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| Thu, 16 Dec 2010 12:19:00 +0000 |
paulson |
merged
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| Thu, 16 Dec 2010 12:05:00 +0000 |
paulson |
made sml/nj happy
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| Wed, 15 Dec 2010 16:32:45 +0100 |
boehmes |
fixed checking and translation of weights (previously, weights occurring in terms were rejected, and weight numbers were unintended translated into Vars)
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| Wed, 15 Dec 2010 16:29:56 +0100 |
boehmes |
the functions term_of and prop_of are also needed in earlier stages, not only for Z3 proof reconstruction, so they really belong in SMT_Utils
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| Wed, 15 Dec 2010 14:29:04 +0100 |
blanchet |
workaround for bug in weight handling -- sometimes numerals got replaced by Vars and this confused the weight extractor
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| Wed, 15 Dec 2010 10:12:44 +0100 |
boehmes |
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
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| Wed, 15 Dec 2010 08:39:24 +0100 |
boehmes |
tuned
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| Tue, 07 Dec 2010 14:53:12 +0100 |
boehmes |
centralized handling of built-in types and constants;
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| Mon, 06 Dec 2010 15:38:02 +0100 |
boehmes |
tuned
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| Thu, 25 Nov 2010 14:58:20 +0100 |
blanchet |
eta-reduce on the fly to prevent an exception
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| Wed, 24 Nov 2010 10:39:58 +0100 |
boehmes |
be more precise: only treat constant 'distinct' applied to an explicit list as built-in
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| Mon, 22 Nov 2010 23:37:00 +0100 |
boehmes |
added support for quantifier weight annotations
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| Mon, 22 Nov 2010 15:45:43 +0100 |
boehmes |
share and use more utility functions;
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| Wed, 17 Nov 2010 08:14:56 +0100 |
boehmes |
use the const antiquotation for constants (this checks that the constant is declared, whereas the more general term antiquotation treats undeclared names as free variable)
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| Fri, 29 Oct 2010 18:17:04 +0200 |
boehmes |
introduced SMT.distinct as a representation of the solvers' built-in predicate; check that SMT.distinct is always applied to an explicit list
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| Tue, 26 Oct 2010 11:39:26 +0200 |
boehmes |
keep track of theorems initially given to SMT (even if they are rewritten); provide interface to filter theorems necessary for SMT proofs
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| Sun, 19 Sep 2010 00:29:13 +0200 |
boehmes |
do not treat natural numbers as a datatype (natural numbers are considered an abstract type with a coercion to integers)
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| Fri, 17 Sep 2010 10:52:35 +0200 |
boehmes |
add full support for datatypes to the SMT interface (only used by Z3 in oracle mode so far); added store to keep track of datatype selector functions
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| Thu, 16 Sep 2010 06:49:46 +0200 |
boehmes |
reverse order of datatype declarations so that declarations only depend on already declared datatypes
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| Mon, 13 Sep 2010 06:02:47 +0200 |
boehmes |
added preliminary support for SMT datatypes (for now restricted to tuples and lists); only the Z3 interface (in oracle mode) makes use of it, there is especially no Z3 proof reconstruction support for datatypes yet
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| Wed, 26 May 2010 15:34:47 +0200 |
boehmes |
hide constants and types introduced by SMT,
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| Wed, 12 May 2010 23:54:04 +0200 |
boehmes |
layered SMT setup, adapted SMT clients, added further tests, made Z3 proof abstraction configurable
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| Wed, 12 May 2010 23:54:02 +0200 |
boehmes |
integrated SMT into the HOL image
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