| Thu, 26 Jul 2012 11:08:16 +0200 |
blanchet |
Z3 prints so many warnings that the very informative abnormal termination exception hardly ever gets raised -- better be more aggressive here
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| Thu, 26 Jul 2012 10:48:03 +0200 |
blanchet |
Sledgehammer already has its own ways of reporting and recovering from crashes in external provers -- no need to additionally print scores of warnings (cf. 4b0daca2bf88)
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| Wed, 30 May 2012 23:10:42 +0200 |
boehmes |
introduced option "z3_with_extensions" to control whether Z3's support for nonlinear arithmetic and datatypes should be enabled (including potential proof reconstruction failures)
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| Mon, 23 Apr 2012 21:44:36 +0200 |
wenzelm |
more standard method setup;
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| Tue, 27 Mar 2012 16:59:13 +0300 |
blanchet |
renamed "smt_fixed" to "smt_read_only_certificates"
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| Thu, 01 Mar 2012 10:12:58 +0100 |
boehmes |
fine-tune intended failure of smt method when the chosen SMT solver is not installed: restrict failures to true invocations of the SMT solver and don't fail for runs based on certificates
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| Wed, 29 Feb 2012 17:43:41 +0100 |
boehmes |
SMT fails if the chosen SMT solver is not installed
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| Wed, 15 Feb 2012 23:19:30 +0100 |
wenzelm |
renamed Thm.capply to Thm.apply, and Thm.cabs to Thm.lambda in conformance with similar operations in structure Term and Logic;
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| Tue, 14 Feb 2012 19:18:57 +0100 |
wenzelm |
normalized aliases;
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| Mon, 02 May 2011 16:33:21 +0200 |
wenzelm |
added Attrib.setup_config_XXX conveniences, with implicit setup of the background theory;
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| Fri, 08 Apr 2011 19:04:08 +0200 |
boehmes |
check if negating the goal is possible (avoids CTERM exception for Pure propositions)
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| Mon, 14 Feb 2011 10:40:43 +0100 |
boehmes |
more explicit errors to inform users about problems related to SMT solvers;
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| Mon, 17 Jan 2011 17:45:52 +0100 |
boehmes |
made Z3 the default SMT solver again
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| Mon, 10 Jan 2011 17:39:54 +0100 |
boehmes |
dropped superfluous error message
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| Sat, 08 Jan 2011 17:14:48 +0100 |
wenzelm |
misc tuning and comments based on review of Theory_Data, Proof_Data, Generic_Data usage;
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| Thu, 06 Jan 2011 17:51:56 +0100 |
boehmes |
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
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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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| Mon, 20 Dec 2010 08:17:23 +0100 |
boehmes |
perform monomorphization during normalization: schematic numerals might be monomorphized into built-in numerals and then numeral normalization is required
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| Fri, 17 Dec 2010 15:30:43 +0100 |
blanchet |
run the SMT relevance filter only once, then run the normalization/monomorphization code once _per class_ of SMT solvers
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| Fri, 17 Dec 2010 12:10:08 +0100 |
blanchet |
make timeout part of the SMT filter's tail
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| Fri, 17 Dec 2010 12:02:46 +0100 |
blanchet |
split "smt_filter" into head and tail
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| Wed, 15 Dec 2010 10:12:48 +0100 |
boehmes |
fixed proof reconstruction for lambda-lifted problems (which broke when the lambda-lifting code was changed to operate on terms instead of on theorems)
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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 |
re-ordered SMT normalization code (eta-normalization, lambda abstractions and partial functions will be dealt with on the term level);
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| Wed, 15 Dec 2010 08:39:24 +0100 |
boehmes |
moved SMT classes and dictionary functions to SMT_Utils
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| Wed, 15 Dec 2010 08:39:24 +0100 |
boehmes |
added option to modify the random seed of SMT solvers
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| Tue, 07 Dec 2010 15:55:35 +0100 |
boehmes |
merged
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| Tue, 07 Dec 2010 15:01:37 +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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| Tue, 07 Dec 2010 09:58:52 +0100 |
blanchet |
make SML/NJ happy
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| Mon, 06 Dec 2010 11:25:21 +0100 |
blanchet |
have SMT solvers report the number of facts that they should have by default in Sledgehammer -- the information might not seem to belong there but it also belongs nowhere else, for how is Sledgehammer to know how different solvers deal with hundreds of facts?
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| Mon, 06 Dec 2010 10:32:39 +0100 |
blanchet |
return all facts for CVC3 and Yices, since there is no proof parsing / unsat core extraction
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| Fri, 03 Dec 2010 18:27:21 +0100 |
blanchet |
export more information about available SMT solvers
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| Tue, 30 Nov 2010 18:22:43 +0100 |
boehmes |
split up Z3 models into constraints on free variables and constant definitions;
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| Tue, 23 Nov 2010 18:28:09 +0100 |
blanchet |
try Metis to reconstruct SMT proofs, to increase success rate and reduce dependency on (often remote) SMT solvers or certificates
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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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| Wed, 17 Nov 2010 08:14:55 +0100 |
boehmes |
keep input and output files used to communicate with the SMT solver (for debugging purposes mainly)
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| Mon, 15 Nov 2010 22:23:28 +0100 |
boehmes |
renamed SMT failure: Abnormal_Termination is indeed more appropriate than Solver_Crashed
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| Mon, 15 Nov 2010 22:23:26 +0100 |
boehmes |
honour timeouts which are not rounded to full seconds
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| Mon, 15 Nov 2010 17:35:57 +0100 |
boehmes |
trace more solver output before raising an exception due to a non-zero return code (avoids truncating potential counterexamples produced by Z3)
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| Fri, 12 Nov 2010 17:28:43 +0100 |
boehmes |
check the return code of the SMT solver and raise an exception if the prover failed
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| Fri, 12 Nov 2010 15:56:10 +0100 |
boehmes |
turned SMT counterexamples into verbose messages (they had been swallowed before, following the state of smt_trace -- which is off by default), because they might be useful for the user
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| Mon, 08 Nov 2010 12:13:51 +0100 |
boehmes |
return the process return code along with the process outputs
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| Mon, 08 Nov 2010 12:13:44 +0100 |
boehmes |
better modularization: moved SMT configuration options and diagnostics as well as SMT failure and exception into separate structures (both of which are loaded first and consequently are available to other SMT structures)
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| Thu, 04 Nov 2010 18:01:55 +0100 |
boehmes |
simulate more closely the behaviour of the tactic
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| Wed, 03 Nov 2010 16:44:38 +0100 |
boehmes |
standardize timeout value based on reals
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| Fri, 29 Oct 2010 18:17:09 +0200 |
boehmes |
optionally drop assumptions which cannot be preprocessed
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| Fri, 29 Oct 2010 18:17:06 +0200 |
boehmes |
clarified error message
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| Tue, 26 Oct 2010 17:35:54 +0200 |
boehmes |
use proper context
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| Tue, 26 Oct 2010 17:35:52 +0200 |
boehmes |
trace assumptions before giving them to the SMT solver
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| Tue, 26 Oct 2010 17:35:51 +0200 |
boehmes |
capture out-of-memory warnings of Z3 and turn them into proper exceptions; be more precise about SMT solver run-time: return NONE instead of ~1
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| Tue, 26 Oct 2010 17:35:49 +0200 |
boehmes |
honor choice of either local or remote SMT solver only for smt_filter and keep default behaviour for the SMT tactic; omit messages when running smt_filter
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| Tue, 26 Oct 2010 11:51:09 +0200 |
boehmes |
optionally force the remote version of an SMT solver to be executed
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| Tue, 26 Oct 2010 11:49:36 +0200 |
boehmes |
tuned
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| Tue, 26 Oct 2010 11:49:23 +0200 |
boehmes |
added a mode to only filter assumptions used in a Z3 proof (in which no proof reconstruction is performed)
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| Tue, 26 Oct 2010 11:45:12 +0200 |
boehmes |
joined setup of SMT solvers in one place; turned Z3-specific options into SMT options (renamed configuration options from z3_* to smt_*); more detailed SMT exception; improved SMT filter interface
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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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| Fri, 01 Oct 2010 10:25:36 +0200 |
haftmann |
chop_while replace drop_while and take_while
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| Thu, 30 Sep 2010 18:37:29 +0200 |
haftmann |
take_while, drop_while
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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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