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#
# Option specification file for CVC4
# See src/options/base_options for a description of this file format
#
module STRINGS "options/strings_options.h" Strings theory
option stringExp strings-exp --strings-exp bool :default false :read-write
experimental features in the theory of strings
# :predicate-include "smt/smt_engine.h"
option stringLB strings-lb --strings-lb=N unsigned :default 0 :predicate unsignedLessEqual2
the strategy of LB rule application: 0-lazy, 1-eager, 2-no
# :predicate-include "smt/smt_engine.h"
option stdASCII strings-std-ascii --strings-std-ascii bool :default true :predicate unsignedLessEqual2
the alphabet contains only characters from the standard ASCII or the extended one
option stringFMF strings-fmf --strings-fmf bool :default false :read-write
the finite model finding used by the theory of strings
option stringEager strings-eager --strings-eager bool :default false
strings eager check
option stringEIT strings-eit --strings-eit bool :default false
the eager intersection used by the theory of strings
option stringOpt1 strings-opt1 --strings-opt1 bool :default true
internal option1 for strings: normal form
option stringOpt2 strings-opt2 --strings-opt2 bool :default false
internal option2 for strings: constant regexp splitting
option stringIgnNegMembership strings-inm --strings-inm bool :default false
internal for strings: ignore negative membership constraints (fragment checking is needed, left to users for now)
#expert-option stringCharCardinality strings-alphabet-card --strings-alphabet-card=N int16_t :default 128 :read-write
# the cardinality of the characters used by the theory of strings, default 128 (for standard ASCII) or 256 (for extended ASCII)
option stringLazyPreproc strings-lazy-pp --strings-lazy-pp bool :default true
perform string preprocessing lazily upon assertion
option stringLazyPreproc2 strings-lazy-pp2 --strings-lazy-pp2 bool :default true
perform string preprocessing lazily upon failure to reduce
option stringLenGeqZ strings-len-geqz --strings-len-geqz bool :default false
strings length greater than zero lemmas
option stringLenNorm strings-len-norm --strings-len-norm bool :default true
strings length normalization lemma
option stringSplitEmp strings-sp-emp --strings-sp-emp bool :default true
strings split on empty string
option stringInferSym strings-infer-sym --strings-infer-sym bool :default true
strings split on empty string
option stringEagerLen strings-eager-len --strings-eager-len bool :default true
strings eager length lemmas
option stringCheckEntailLen strings-check-entail-len --strings-check-entail-len bool :default true
check entailment between length terms to reduce splitting
option stringProcessLoop strings-process-loop --strings-process-loop bool :default true
reduce looping word equations to regular expressions
option stringAbortLoop strings-abort-loop --strings-abort-loop bool :default false
abort when a looping word equation is encountered
option stringInferAsLemmas strings-infer-as-lemmas --strings-infer-as-lemmas bool :default false
always send lemmas out instead of making internal inferences
option stringRExplainLemmas strings-rexplain-lemmas --strings-rexplain-lemmas bool :default true
regression explanations for string lemmas
option stringMinPrefixExplain strings-min-prefix-explain --strings-min-prefix-explain bool :default true
minimize explanations for prefix of normal forms in strings
endmodule
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