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#
# Option specification file for CVC4
# See src/options/base_options for a description of this file format
#
module QUANTIFIERS "theory/quantifiers/options.h" Quantifiers
option eMatching --e-matching bool :read-write :default true
whether to do heuristic E-matching
# Whether to mini-scope quantifiers.
# For example, forall x. ( P( x ) ^ Q( x ) ) will be rewritten to
# ( forall x. P( x ) ) ^ ( forall x. Q( x ) )
option miniscopeQuant /--disable-miniscope-quant bool :default true
disable miniscope quantifiers
# Whether to mini-scope quantifiers based on formulas with no free variables.
# For example, forall x. ( P( x ) V Q ) will be rewritten to
# ( forall x. P( x ) ) V Q
option miniscopeQuantFreeVar /--disable-miniscope-quant-fv bool :default true
disable miniscope quantifiers for ground subformulas
# Whether to prenex (nested universal) quantifiers
option prenexQuant --prenex-quant=MODE CVC4::theory::quantifiers::PrenexQuantMode :default CVC4::theory::quantifiers::PRENEX_NO_USER_PAT :include "theory/quantifiers/modes.h" :read-write :handler CVC4::theory::quantifiers::stringToPrenexQuantMode :handler-include "theory/quantifiers/options_handlers.h"
disable prenexing of quantified formulas
# Whether to variable-eliminate quantifiers.
# For example, forall x y. ( P( x, y ) V x != c ) will be rewritten to
# forall y. P( c, y )
option varElimQuant /--disable-var-elim-quant bool :default true
disable simple variable elimination for quantified formulas
option dtVarExpandQuant --dt-var-exp-quant bool :default true
expand datatype variables bound to one constructor in quantifiers
option iteCondVarSplitQuant --ite-cond-var-split-quant bool :default true
split variables occurring as conditions of ITE in quantifiers
option simpleIteLiftQuant /--disable-ite-lift-quant bool :default true
disable simple ite lifting for quantified formulas
# Whether to CNF quantifier bodies
option cnfQuant --cnf-quant bool :default false
apply CNF conversion to quantified formulas
# Whether to NNF quantifier bodies
option nnfQuant --nnf-quant bool :default true
apply NNF conversion to quantified formulas
option clauseSplit --clause-split bool :default false
apply clause splitting to quantified formulas
# Whether to pre-skolemize quantifier bodies.
# For example, forall x. ( P( x ) => (exists y. f( y ) = x) ) will be rewritten to
# forall x. P( x ) => f( S( x ) ) = x
option preSkolemQuant --pre-skolem-quant bool :read-write :default false
apply skolemization eagerly to bodies of quantified formulas
# Whether to perform agressive miniscoping
option aggressiveMiniscopeQuant --ag-miniscope-quant bool :default false
perform aggressive miniscoping for quantifiers
# Whether to perform quantifier macro expansion
option macrosQuant --macros-quant bool :default false
perform quantifiers macro expansions
# Whether to perform first-order propagation
option foPropQuant --fo-prop-quant bool :default false
perform first-order propagation on quantifiers
option termDbMode --term-db-mode CVC4::theory::quantifiers::TermDbMode :default CVC4::theory::quantifiers::TERM_DB_ALL :read-write :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToTermDbMode :handler-include "theory/quantifiers/options_handlers.h"
which ground terms to consider for instantiation
# Whether to use smart triggers
option smartTriggers /--disable-smart-triggers bool :default true
disable smart triggers
# Whether to use relevent triggers
option relevantTriggers --relevant-triggers bool :default false
prefer triggers that are more relevant based on SInE style analysis
option relationalTriggers --relational-triggers bool :default false
choose relational triggers such as x = f(y), x >= f(y)
option purifyTriggers --purify-triggers bool :default false :read-write
purify triggers, e.g. f( x+1 ) becomes f( y ), x mapsto y-1
option purifyDtTriggers --purify-dt-triggers bool :default false :read-write
purify dt triggers, match all constructors of correct form instead of selectors
option pureThTriggers --pure-th-triggers bool :default false :read-write
use pure theory terms as single triggers
option multiTriggerWhenSingle --multi-trigger-when-single bool :default true
never select multi-triggers when single triggers exist
option triggerSelMode --trigger-sel CVC4::theory::quantifiers::TriggerSelMode :default CVC4::theory::quantifiers::TRIGGER_SEL_DEFAULT :read-write :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToTriggerSelMode :handler-include "theory/quantifiers/options_handlers.h"
selection mode for triggers
option quantFunWellDefined --quant-fun-wd bool :default false
assume that function defined by quantifiers are well defined
option fmfFunWellDefined --fmf-fun bool :default false
find models for finite runs of defined functions, assumes functions are well-defined
# Whether to consider terms in the bodies of quantifiers for matching
option registerQuantBodyTerms --register-quant-body-terms bool :default false
consider ground terms within bodies of quantified formulas for matching
option instWhenMode --inst-when=MODE CVC4::theory::quantifiers::InstWhenMode :default CVC4::theory::quantifiers::INST_WHEN_FULL_LAST_CALL :read-write :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToInstWhenMode :handler-include "theory/quantifiers/options_handlers.h" :predicate CVC4::theory::quantifiers::checkInstWhenMode :predicate-include "theory/quantifiers/options_handlers.h"
when to apply instantiation
option instMaxLevel --inst-max-level=N int :read-write :default -1
maximum inst level of terms used to instantiate quantified formulas with (-1 == no limit, default)
option instLevelInputOnly --inst-level-input-only bool :default true
only input terms are assigned instantiation level zero
option eagerInstQuant --eager-inst-quant bool :default false
apply quantifier instantiation eagerly
option instNoEntail --inst-no-entail bool :read-write :default false
do not consider instances of quantified formulas that are currently entailed
option fullSaturateQuant --full-saturate-quant bool :default false
when all other quantifier instantiation strategies fail, instantiate with ground terms from relevant domain, then arbitrary ground terms before answering unknown
option literalMatchMode --literal-matching=MODE CVC4::theory::quantifiers::LiteralMatchMode :default CVC4::theory::quantifiers::LITERAL_MATCH_NONE :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToLiteralMatchMode :handler-include "theory/quantifiers/options_handlers.h" :predicate CVC4::theory::quantifiers::checkLiteralMatchMode :predicate-include "theory/quantifiers/options_handlers.h"
choose literal matching mode
option cbqi --enable-cbqi bool :read-write :default false
turns on counterexample-based quantifier instantiation
option recurseCbqi --cbqi-recurse bool :default false
turns on recursive counterexample-based quantifier instantiation
option userPatternsQuant --user-pat=MODE CVC4::theory::quantifiers::UserPatMode :default CVC4::theory::quantifiers::USER_PAT_MODE_TRUST :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToUserPatMode :handler-include "theory/quantifiers/options_handlers.h"
policy for handling user-provided patterns for quantifier instantiation
option flipDecision --flip-decision/ bool :default false
turns on flip decision heuristic
option internalReps /--disable-quant-internal-reps bool :default true
disables instantiating with representatives chosen by quantifiers engine
option finiteModelFind finite-model-find --finite-model-find bool :default false :read-write
use finite model finding heuristic for quantifier instantiation
option mbqiMode --mbqi=MODE CVC4::theory::quantifiers::MbqiMode :read-write :default CVC4::theory::quantifiers::MBQI_FMC :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToMbqiMode :handler-include "theory/quantifiers/options_handlers.h" :predicate CVC4::theory::quantifiers::checkMbqiMode :predicate-include "theory/quantifiers/options_handlers.h"
choose mode for model-based quantifier instantiation
option fmfOneInstPerRound --mbqi-one-inst-per-round bool :read-write :default false
only add one instantiation per quantifier per round for mbqi
option fmfOneQuantPerRound --mbqi-one-quant-per-round bool :default false
only add instantiations for one quantifier per round for mbqi
option fmfInstEngine --fmf-inst-engine bool :default false
use instantiation engine in conjunction with finite model finding
option fmfInstGen /--disable-fmf-inst-gen bool :default true
disable Inst-Gen instantiation techniques for finite model finding
option fmfInstGenOneQuantPerRound --fmf-inst-gen-one-quant-per-round bool :default false
only perform Inst-Gen instantiation techniques on one quantifier per round
option fmfFreshDistConst --fmf-fresh-dc bool :default false
use fresh distinguished representative when applying Inst-Gen techniques
option fmfFmcSimple /--disable-fmf-fmc-simple bool :default true
disable simple models in full model check for finite model finding
option fmfBoundInt fmf-bound-int --fmf-bound-int bool :default false :read-write
finite model finding on bounded integer quantification
option fmfBoundIntLazy --fmf-bound-int-lazy bool :default false :read-write
enforce bounds for bounded integer quantification lazily via use of proxy variables
option axiomInstMode --axiom-inst=MODE CVC4::theory::quantifiers::AxiomInstMode :default CVC4::theory::quantifiers::AXIOM_INST_MODE_DEFAULT :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToAxiomInstMode :handler-include "theory/quantifiers/options_handlers.h"
policy for instantiating axioms
option quantConflictFind --quant-cf bool :read-write :default true
enable conflict find mechanism for quantifiers
option qcfMode --quant-cf-mode=MODE CVC4::theory::quantifiers::QcfMode :default CVC4::theory::quantifiers::QCF_PROP_EQ :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToQcfMode :handler-include "theory/quantifiers/options_handlers.h"
what effort to apply conflict find mechanism
option qcfWhenMode --quant-cf-when=MODE CVC4::theory::quantifiers::QcfWhenMode :default CVC4::theory::quantifiers::QCF_WHEN_MODE_DEFAULT :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToQcfWhenMode :handler-include "theory/quantifiers/options_handlers.h"
when to invoke conflict find mechanism for quantifiers
option qcfTConstraint --qcf-tconstraint bool :read-write :default false
enable entailment checks for t-constraints in qcf algorithm
option quantRewriteRules --rewrite-rules bool :default true
use rewrite rules module
option rrOneInstPerRound --rr-one-inst-per-round bool :default false
add one instance of rewrite rule per round
option quantInduction --quant-ind bool :default false
use all available techniques for inductive reasoning
option dtStcInduction --dt-stc-ind bool :read-write :default false
apply strengthening for existential quantification over datatypes based on structural induction
option intWfInduction --int-wf-ind bool :read-write :default false
apply strengthening for integers based on well-founded induction
option conjectureGen --conjecture-gen bool :read-write :default false
generate candidate conjectures for inductive proofs
option conjectureGenPerRound --conjecture-gen-per-round=N int :default 1
number of conjectures to generate per instantiation round
option conjectureNoFilter --conjecture-no-filter bool :default false
do not filter conjectures
option conjectureFilterActiveTerms --conjecture-filter-active-terms bool :read-write :default true
filter based on active terms
option conjectureFilterCanonical --conjecture-filter-canonical bool :read-write :default true
filter based on canonicity
option conjectureFilterModel --conjecture-filter-model bool :read-write :default true
filter based on model
option conjectureGenGtEnum --conjecture-gen-gt-enum=N int :default 0
number of ground terms to generate for model filtering
option conjectureUeeIntro --conjecture-gen-uee-intro bool :default false
more aggressive merging for universal equality engine, introduces terms
option ceGuidedInst --cegqi bool :default false :read-write
counterexample-guided quantifier instantiation
option ceGuidedInstFair --cegqi-fair=MODE CVC4::theory::quantifiers::CegqiFairMode :default CVC4::theory::quantifiers::CEGQI_FAIR_DT_SIZE :include "theory/quantifiers/modes.h" :handler CVC4::theory::quantifiers::stringToCegqiFairMode :handler-include "theory/quantifiers/options_handlers.h"
if and how to apply fairness for cegqi
option sygusDecompose --sygus-decompose bool :default false
decompose single invocation synthesis conjectures
option sygusNormalForm --sygus-normal-form bool :default true
only search for sygus builtin terms that are in normal form
option localTheoryExt --local-t-ext bool :default false
do instantiation based on local theory extensions
option termDbInstClosure --term-db-inst-closure bool :default false
only consider inst closure terms for E-matching
endmodule
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