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ap.theories.bitvectors

ModuloArithmetic

Related Doc: package bitvectors

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object ModuloArithmetic extends Theory

Theory for performing bounded modulo-arithmetic (arithmetic modulo some number N). This in particular includes bit-vector/machine arithmetic.

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Type Members

  1. class BVNAryOp extends IndexedBVOp

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  2. class BVOrder extends SortedPredicate

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  3. abstract class IndexedBVOp extends SortedIFunction

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    Generic class to represent families of functions, indexed by a vector of bit-widths.

  4. case class ModSort(lower: IdealInt, upper: IdealInt) extends ProxySort with TheorySort with Product with Serializable

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    Modulo sorts, representing the interval [lower, upper] with wrap-around arithmetic.

    Modulo sorts, representing the interval [lower, upper] with wrap-around arithmetic.

  5. class ShiftFunction extends SortedIFunction

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  6. class ShiftPredicate extends SortedPredicate

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Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. object BVComp extends IndexedBVOp

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  5. object BVConcat extends IndexedBVOp

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  6. object BVExtract extends IndexedBVOp

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  7. val MultTheory: nia.GroebnerMultiplication.type

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  8. object SignedBVSort

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    Object to create and recognise modulo sorts representing signed bit-vectors.

  9. object UnsignedBVSort

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    Object to create and recognise modulo sorts representing unsigned bit-vectors.

  10. object ZeroExtend extends IndexedBVOp

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  11. val _bv_extract: Predicate

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  12. val _l_shift_cast: ShiftPredicate

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  13. val _mod_cast: SortedPredicate

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  14. val _r_shift_cast: ShiftPredicate

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  15. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  16. val axioms: Conjunction

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    Axioms defining the theory; such axioms are simply added as formulae to the problem to be proven, and thus handled using the standard reasoning techniques (including e-matching).

    Axioms defining the theory; such axioms are simply added as formulae to the problem to be proven, and thus handled using the standard reasoning techniques (including e-matching).

    Definition Classes
    ModuloArithmeticTheory
  17. def bv(width: Int, num: IdealInt): ITerm

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  18. val bv_add: BVNAryOp

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  19. val bv_and: BVNAryOp

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  20. val bv_ashr: BVNAryOp

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  21. val bv_comp: BVComp.type

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  22. val bv_concat: BVConcat.type

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  23. val bv_extract: BVExtract.type

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  24. val bv_lshr: BVNAryOp

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  25. val bv_mul: BVNAryOp

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  26. val bv_neg: BVNAryOp

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  27. val bv_not: BVNAryOp

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  28. val bv_or: BVNAryOp

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  29. val bv_sdiv: BVNAryOp

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  30. val bv_shl: BVNAryOp

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  31. val bv_sle: BVOrder

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  32. val bv_slt: BVOrder

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  33. val bv_smod: BVNAryOp

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  34. val bv_srem: BVNAryOp

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  35. val bv_sub: BVNAryOp

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  36. val bv_udiv: BVNAryOp

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  37. val bv_ule: BVOrder

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  38. val bv_ult: BVOrder

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  39. val bv_urem: BVNAryOp

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  40. val bv_xnor: BVNAryOp

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  41. val bv_xor: BVNAryOp

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  42. def bvadd(t1: ITerm, t2: ITerm): ITerm

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  43. def bvand(t1: ITerm, t2: ITerm): ITerm

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  44. def bvashr(t1: ITerm, t2: ITerm): ITerm

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  45. def bvcomp(t1: ITerm, t2: ITerm): ITerm

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  46. def bvlshr(t1: ITerm, t2: ITerm): ITerm

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  47. def bvmul(t1: ITerm, t2: ITerm): ITerm

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  48. def bvneg(t: ITerm): ITerm

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  49. def bvnot(t: ITerm): ITerm

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  50. def bvor(t1: ITerm, t2: ITerm): ITerm

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  51. def bvsdiv(t1: ITerm, t2: ITerm): ITerm

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  52. def bvsge(t1: ITerm, t2: ITerm): IFormula

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  53. def bvsgt(t1: ITerm, t2: ITerm): IFormula

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  54. def bvshl(t1: ITerm, t2: ITerm): ITerm

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  55. def bvsle(t1: ITerm, t2: ITerm): IFormula

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  56. def bvslt(t1: ITerm, t2: ITerm): IFormula

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  57. def bvsmod(t1: ITerm, t2: ITerm): ITerm

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  58. def bvsrem(t1: ITerm, t2: ITerm): ITerm

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  59. def bvsub(t1: ITerm, t2: ITerm): ITerm

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  60. def bvudiv(t1: ITerm, t2: ITerm): ITerm

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  61. def bvuge(t1: ITerm, t2: ITerm): IFormula

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  62. def bvugt(t1: ITerm, t2: ITerm): IFormula

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  63. def bvule(t1: ITerm, t2: ITerm): IFormula

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  64. def bvult(t1: ITerm, t2: ITerm): IFormula

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  65. def bvurem(t1: ITerm, t2: ITerm): ITerm

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  66. def bvxnor(t1: ITerm, t2: ITerm): ITerm

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  67. def bvxor(t1: ITerm, t2: ITerm): ITerm

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  68. def cast2Int(t: ITerm): ITerm

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    Cast a term to an integer term.

  69. def cast2Interval(lower: IdealInt, upper: IdealInt, t: ITerm): ITerm

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    Cast a term to an integer interval, with modulo semantics.

  70. def cast2SignedBV(bits: Int, t: ITerm): ITerm

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    Cast a term to a signed bit-vector term.

  71. def cast2Sort(sort: ModSort, t: ITerm): ITerm

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    Cast a term to a modulo sort.

  72. def cast2UnsignedBV(bits: Int, t: ITerm): ITerm

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    Cast a term to an unsigned bit-vector term.

  73. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate() @throws( ... )
  74. def concat(t1: ITerm, t2: ITerm): ITerm

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  75. val debug: Boolean

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    Attributes
    protected[ap.theories.bitvectors]
  76. val dependencies: Iterable[Theory]

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    Optionally, other theories that this theory depends on.

    Optionally, other theories that this theory depends on. Specified dependencies will be loaded before this theory, but the preprocessors of the dependencies will be called after the preprocessor of this theory.

    Definition Classes
    ModuloArithmeticTheory
  77. val directlyEncodeExtract: Boolean

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    Attributes
    protected[ap.theories.bitvectors]
  78. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  79. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  80. def evalExtract(start: IdealInt, end: IdealInt, number: IdealInt): IdealInt

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    Evaluate bv_extract with concrete arguments

    Evaluate bv_extract with concrete arguments

  81. def evalFun(f: IFunApp): Option[ITerm]

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    Optionally, a function evaluating theory functions applied to concrete arguments, represented as constructor terms.

    Optionally, a function evaluating theory functions applied to concrete arguments, represented as constructor terms.

    Definition Classes
    ModuloArithmeticTheory
  82. def evalModCast(lower: IdealInt, upper: IdealInt, number: IdealInt): IdealInt

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    Evaluate mod_cast with concrete arguments

    Evaluate mod_cast with concrete arguments

  83. def evalPred(a: IAtom): Option[Boolean]

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    Optionally, a function evaluating theory predicates applied to concrete arguments, represented as constructor terms.

    Optionally, a function evaluating theory predicates applied to concrete arguments, represented as constructor terms.

    Definition Classes
    ModuloArithmeticTheory
  84. def evaluatingSimplifier(t: IExpression): IExpression

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    A simplification function that applies the methods evalFun and evalPred to some given expression (but not recursively).

    A simplification function that applies the methods evalFun and evalPred to some given expression (but not recursively). This is used in the Theory.postSimplifiers methods.

    Definition Classes
    Theory
  85. def extend(order: TermOrder): TermOrder

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    Add the symbols defined by this theory to the order

    Add the symbols defined by this theory to the order

    Definition Classes
    Theory
  86. def extract(begin: Int, end: Int, t: ITerm): ITerm

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  87. val functionPredicateMapping: List[(SortedIFunction, Predicate)]

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    Mapping of interpreted functions to interpreted predicates, used translating input ASTs to internal ASTs (the latter only containing predicates).

    Mapping of interpreted functions to interpreted predicates, used translating input ASTs to internal ASTs (the latter only containing predicates).

    Definition Classes
    ModuloArithmeticTheory
  88. val functionTranslation: Map[IFunction, Predicate]

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  89. val functionalPredicates: Set[Predicate]

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    Information which of the predicates satisfy the functionality axiom; at some internal points, such predicates can be handled more efficiently

    Information which of the predicates satisfy the functionality axiom; at some internal points, such predicates can be handled more efficiently

    Definition Classes
    ModuloArithmeticTheory
  90. val functions: List[SortedIFunction]

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    Interpreted functions of the theory

    Interpreted functions of the theory

    Definition Classes
    ModuloArithmeticTheory
  91. def generateDecoderData(model: Conjunction): Option[TheoryDecoderData]

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    If this theory defines any Theory.Decoder, which can translate model data into some theory-specific representation, this function can be overridden to pre-compute required data from a model.

    If this theory defines any Theory.Decoder, which can translate model data into some theory-specific representation, this function can be overridden to pre-compute required data from a model.

    Definition Classes
    Theory
  92. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
    Annotations
    @HotSpotIntrinsicCandidate()
  93. def getLowerUpper(arguments: Seq[Term]): (IdealInt, IdealInt)

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    Attributes
    protected[ap.theories.bitvectors]
  94. def getModulus(a: Atom): IdealInt

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    Attributes
    protected[ap.theories.bitvectors]
  95. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
    Annotations
    @HotSpotIntrinsicCandidate()
  96. def iPostprocess(f: IFormula, signature: Signature): IFormula

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    Optionally, a post-processor that is applied to formulas output by the prover, for instance to interpolants or the result of quantifier elimination.

    Optionally, a post-processor that is applied to formulas output by the prover, for instance to interpolants or the result of quantifier elimination. This method will be applied to the formula after calling Internal2Inputabsy.

    Definition Classes
    ModuloArithmeticTheory
  97. def iPreprocess(f: IFormula, signature: Signature): (IFormula, Signature)

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    Optionally, a pre-processor that is applied to formulas over this theory, prior to sending the formula to a prover.

    Optionally, a pre-processor that is applied to formulas over this theory, prior to sending the formula to a prover. This method will be applied very early in the translation process.

    Definition Classes
    ModuloArithmeticTheory
  98. val int_cast: MonoSortedIFunction

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    Function to map the modulo-sorts back to integers.

    Function to map the modulo-sorts back to integers. Semantically this is just the identify function

  99. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  100. def isSoundForSat(theories: Seq[Theory], config: Theory.SatSoundnessConfig.Value): Boolean

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    Check whether we can tell that the given combination of theories is sound for checking satisfiability of a problem, i.e., if proof construction ends up in a dead end, can it be concluded that a problem is satisfiable.

    Check whether we can tell that the given combination of theories is sound for checking satisfiability of a problem, i.e., if proof construction ends up in a dead end, can it be concluded that a problem is satisfiable.

    Definition Classes
    ModuloArithmeticTheory
  101. val l_shift_cast: ShiftFunction

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    Function for multiplying any number t with 2^n and mapping to an interval [lower, upper].

    Function for multiplying any number t with 2^n and mapping to an interval [lower, upper]. The function is applied as l_shift_cast(lower, upper, t, n).

  102. val mod_cast: SortedIFunction

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    Function for mapping any number to an interval [lower, upper].

    Function for mapping any number to an interval [lower, upper]. The function is applied as mod_cast(lower, upper, number)

  103. val modelGenPredicates: Set[Predicate]

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    Optionally, a set of predicates used by the theory to tell the PresburgerModelFinder about terms that will be handled exclusively by this theory.

    Optionally, a set of predicates used by the theory to tell the PresburgerModelFinder about terms that will be handled exclusively by this theory. If a proof goal in model generation mode contains an atom p(x), for p in this set, then the PresburgerModelFinder will ignore x when assigning concrete values to symbols.

    Definition Classes
    Theory
  104. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  105. final def notify(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate()
  106. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate()
  107. val order: TermOrder

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  108. val otherPreds: List[BVOrder]

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  109. val plugin: Some[ModPlugin.type]

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    Optionally, a plug-in implementing reasoning in this theory

    Optionally, a plug-in implementing reasoning in this theory

    Definition Classes
    ModuloArithmeticTheory
  110. def postSimplifiers: Seq[(IExpression) ⇒ IExpression]

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    Optionally, simplifiers that are applied to formulas output by the prover, for instance to interpolants or the result of quantifier.

    Optionally, simplifiers that are applied to formulas output by the prover, for instance to interpolants or the result of quantifier. Such simplifiers are invoked by ap.parser.Simplifier. By default, this list will only include the evaluatingSimplifier.

    Definition Classes
    Theory
  111. def postprocess(f: Conjunction, order: TermOrder): Conjunction

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    Optionally, a post-processor that is applied to formulas output by the prover, for instance to interpolants or the result of quantifier elimination.

    Optionally, a post-processor that is applied to formulas output by the prover, for instance to interpolants or the result of quantifier elimination. This method will be applied to the raw formulas, before calling Internal2Inputabsy.

    Definition Classes
    Theory
  112. def pow2(bits: IdealInt): IdealInt

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    Attributes
    protected[ap.theories.bitvectors]
  113. def pow2(bits: Int): IdealInt

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    Attributes
    protected[ap.theories.bitvectors]
  114. def pow2MinusOne(bits: IdealInt): IdealInt

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    Attributes
    protected[ap.theories.bitvectors]
  115. def pow2MinusOne(bits: Int): IdealInt

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    Attributes
    protected[ap.theories.bitvectors]
  116. def pow2Mod(bits: IdealInt, modulus: IdealInt): IdealInt

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    Attributes
    protected[ap.theories.bitvectors]
  117. val preAxioms: Formula

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  118. val predicateMatchConfig: PredicateMatchConfig

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    Information how interpreted predicates should be handled for e-matching.

    Information how interpreted predicates should be handled for e-matching.

    Definition Classes
    ModuloArithmeticTheory
  119. val predicates: Seq[Predicate]

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    Interpreted predicates of the theory

    Interpreted predicates of the theory

    Definition Classes
    ModuloArithmeticTheory
  120. def preprocess(f: Conjunction, order: TermOrder): Conjunction

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    Optionally, a pre-processor that is applied to formulas over this theory, prior to sending the formula to a prover.

    Optionally, a pre-processor that is applied to formulas over this theory, prior to sending the formula to a prover.

    Definition Classes
    ModuloArithmeticTheory
  121. val r_shift_cast: ShiftFunction

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    Function for dividing any number t by 2^n, rounding towards negative, and mapping to an interval [lower, upper].

    Function for dividing any number t by 2^n, rounding towards negative, and mapping to an interval [lower, upper]. The function is applied as r_shift_cast(lower, upper, t, n).

  122. val reducerPlugin: ReducerPluginFactory

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    Optionally, a plugin for the reducer applied to formulas both before and during proving.

    Optionally, a plugin for the reducer applied to formulas both before and during proving.

    Definition Classes
    ModuloArithmeticTheory
  123. def shiftLeft(sort: ModSort, shifted: ITerm, bits: ITerm): ITerm

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    Shift the term shifted a number of bits to the left, staying within the given sort.

    Shift the term shifted a number of bits to the left, staying within the given sort.

  124. def shiftRight(sort: ModSort, shifted: ITerm, bits: ITerm): ITerm

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    Shift the term shifted a number of bits to the right, staying within the given sort.

    Shift the term shifted a number of bits to the right, staying within the given sort.

  125. def sign_extend(addWidth: Int, t: ITerm): ITerm

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  126. val singleInstantiationPredicates: Set[Predicate]

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    When instantiating existentially quantifier formulas, EX phi, at most one instantiation is necessary provided that all predicates in phi are contained in this set.

    When instantiating existentially quantifier formulas, EX phi, at most one instantiation is necessary provided that all predicates in phi are contained in this set.

    Definition Classes
    ModuloArithmeticTheory
  127. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  128. def toString(): String

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    Definition Classes
    ModuloArithmetic → AnyRef → Any
  129. val totalityAxioms: Conjunction

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    Additional axioms that are included if the option +genTotalityAxioms is given to Princess.

    Additional axioms that are included if the option +genTotalityAxioms is given to Princess.

    Definition Classes
    ModuloArithmeticTheory
  130. lazy val transitiveDependencies: Iterable[Theory]

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    Dependencies closed under transitivity, i.e., also including the dependencies of dependencies.

    Dependencies closed under transitivity, i.e., also including the dependencies of dependencies.

    Definition Classes
    Theory
  131. val triggerRelevantFunctions: Set[IFunction]

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    A list of functions that should be considered in automatic trigger generation

    A list of functions that should be considered in automatic trigger generation

    Definition Classes
    ModuloArithmeticTheory
  132. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  133. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  134. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  135. def zero_extend(addWidth: Int, t: ITerm): ITerm

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  136. val zero_extend: ZeroExtend.type

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Deprecated Value Members

  1. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @Deprecated @deprecated @throws( classOf[java.lang.Throwable] )
    Deprecated

    (Since version ) see corresponding Javadoc for more information.

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