pvs-common.gen 7.46 KB
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unknown "unfinished" "\"\\0\""
unknown "untried" "\"\\0\""
valid "succeeded"
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time "why3cpulimit time : %s s"

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(*transformation "inline_trivial"*)
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transformation "eliminate_builtin"
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(* PVS does not support mutual recursion *)
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transformation "eliminate_mutual_recursion"
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(* though we could do better, we only use recursion on one argument *)
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transformation "eliminate_non_struct_recursion"

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transformation "eliminate_epsilon"

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(* PVS only has simple patterns *)
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transformation "compile_match"
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transformation "eliminate_projections"
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transformation "simplify_formula"

theory BuiltIn
  syntax type   int   "int"
  syntax type   real  "real"
  syntax predicate  (=)   "(%1 = %2)"
end

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theory map.Map
  syntax type  map "[%1 -> %2]"

  syntax function get "%1(%2)"
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  syntax function ([]) "%1(%2)"

  syntax function set    "(%1 WITH [(%2) |-> %3])"
  syntax function ([<-]) "(%1 WITH [(%2) |-> %3])"
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  remove prop Select_eq
  remove prop Select_neq

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  syntax function const "(LAMBDA (x:%v0): %1)"
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  remove prop Const
end

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theory Bool
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  syntax type bool   "bool"

  syntax function True  "TRUE"
  syntax function False "FALSE"
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end

theory bool.Bool
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  syntax function andb  "(%1 AND %2)"
  syntax function orb   "(%1 OR %2)"
  syntax function xorb  "(%1 XOR %2)"
  syntax function notb  "(NOT %1)"
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  syntax function implb "(%1 => %2)"
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end

theory int.Int

  syntax function zero "0"
  syntax function one  "1"

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  syntax function ( + ) "(%1 + %2)"
  syntax function ( - ) "(%1 - %2)"
  syntax function ( * ) "(%1 * %2)"
  syntax function (-_)  "(-%1)"
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  syntax predicate (<=) "(%1 <= %2)"
  syntax predicate (<)  "(%1 <  %2)"
  syntax predicate (>=) "(%1 >= %2)"
  syntax predicate (>)  "(%1 >  %2)"

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  remove prop MulComm.Comm
  remove prop MulAssoc.Assoc
  remove prop Unit_def_l
  remove prop Unit_def_r
  remove prop Inv_def_l
  remove prop Inv_def_r
  remove prop Assoc
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  remove prop Mul_distr_l
  remove prop Mul_distr_r
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  remove prop Comm
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  remove prop Unitary
  remove prop Refl
  remove prop Trans
  remove prop Antisymm
  remove prop Total
  remove prop NonTrivialRing
  remove prop CompatOrderAdd
  remove prop CompatOrderMult
  remove prop ZeroLessOne

end

theory int.Abs

  syntax function abs "abs(%1)"

  remove prop Abs_pos

end

theory int.MinMax

  syntax function min "min(%1, %2)"
  syntax function max "max(%1, %2)"

end

theory real.Real

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  syntax function zero "0"
  syntax function one  "1"
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  syntax function ( + ) "(%1 + %2)"
  syntax function ( - ) "(%1 - %2)"
  syntax function (-_)  "(-%1)"
  syntax function ( * ) "(%1 * %2)"
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  (* / and inv are defined in the realization *)
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  syntax predicate (<=) "(%1 <= %2)"
  syntax predicate (<)  "(%1 <  %2)"
  syntax predicate (>=) "(%1 >= %2)"
  syntax predicate (>)  "(%1 >  %2)"
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  remove prop MulComm.Comm
  remove prop MulAssoc.Assoc
  remove prop Unit_def_l
  remove prop Unit_def_r
  remove prop Inv_def_l
  remove prop Inv_def_r
  remove prop Assoc
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  remove prop Mul_distr_l
  remove prop Mul_distr_r
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  remove prop Comm
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  remove prop Unitary
  remove prop Inverse
  remove prop NonTrivialRing
  remove prop CompatOrderAdd
  remove prop CompatOrderMult
  remove prop ZeroLessOne
  remove prop Refl
  remove prop Trans
  remove prop Antisymm
  remove prop Total
  remove prop assoc_mul_div
  remove prop assoc_div_mul
  remove prop assoc_div_div

end

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theory real.MinMax
  syntax function min "min(%1, %2)"
  syntax function max "max(%1, %2)"

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  remove prop Max_l
  remove prop Min_r
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  remove prop Max_comm
  remove prop Min_comm
  remove prop Max_assoc
  remove prop Min_assoc
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end

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theory real.RealInfix

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  syntax function (+.)  "(%1 + %2)"
  syntax function (-.)  "(%1 - %2)"
  syntax function (-._) "(-%1)"
  syntax function ( *.) "(%1 * %2)"
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  syntax function (/.)  "real@Real.infix_sl(%1, %2)"
  syntax function inv   "real@Real.inv(%1)"
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  syntax predicate (<=.) "(%1 <= %2)"
  syntax predicate (<.)  "(%1 <  %2)"
  syntax predicate (>=.) "(%1 >= %2)"
  syntax predicate (>.)  "(%1 >  %2)"
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end

theory real.Abs

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  syntax function abs "abs(%1)"
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  remove prop Abs_le
  remove prop Abs_pos

end

theory real.FromInt

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  syntax function from_int "(%1 :: real)"
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  remove prop Zero
  remove prop One
  remove prop Add
  remove prop Sub
  remove prop Mul
  remove prop Neg

end

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theory real.PowerReal

  syntax function pow "(%1 ^ %2)"

  remove prop Pow_x_zero
  remove prop Pow_x_one
  remove prop Pow_one_y

end

(***
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theory real.Square

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  syntax function sqrt "SQRT(%1)"
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end

theory real.ExpLog

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  syntax function exp "EXP(%1)"
  syntax function log "LOG(%1)"
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end

theory real.Trigonometry

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  syntax function cos "COS(%1)"
  syntax function sin "SIN(%1)"
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  syntax function pi "PI"

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  syntax function tan "TAN(%1)"
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end
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***)
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theory option.Option
  syntax type option "lift[%1]"

  syntax function None "bottom"
  syntax function Some "up(%1)"
end

theory list.List

  syntax type list "list[%1]"

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  syntax function Nil  "(null :: %t0)"
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  syntax function Cons "cons(%1, %2)"

end

theory list.Length
  syntax function length "length(%1)"
  remove prop Length_nonnegative
  remove prop Length_nil
end

theory list.Mem
  syntax predicate mem "member(%1, %2)"
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end

theory list.Nth
  syntax function nth
    "IF 0 <= %1 AND %1 < length(%2) THEN up(nth(%2, %1)) ELSE bottom ENDIF"
end

theory list.Append
  syntax function (++) "append(%1, %2)"

  remove prop Append_assoc
  remove prop Append_l_nil
  remove prop Append_length
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  (* FIXME? the following are not part of PVS prelude *)
  remove prop mem_append
  remove prop mem_decomp
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end

theory list.Reverse
  syntax function reverse "reverse(%1)"
end

theory set.Set
  syntax type set "set[%1]"

  syntax predicate mem "member(%1, %2)"
  remove prop      extensionality

  syntax predicate subset "subset?(%1, %2)"
  remove prop      subset_trans

  syntax function  empty    "(emptyset :: %t0)"
  syntax predicate is_empty "empty?(%1)"
  remove prop      empty_def1

  syntax function add "add(%1, %2)"
  remove prop     add_def1
  syntax function singleton "singleton(%1)"

  syntax function remove "remove(%1, %2)"
  remove prop     remove_def1
  remove prop     subset_remove

  syntax function union "union(%1, %2)"
  remove prop     union_def1

  syntax function inter "intersection(%1, %2)"
  remove prop     inter_def1

  syntax function diff "difference(%1, %2)"
  remove prop     diff_def1
  remove prop     subset_diff

  (* TODO: choose *)

  syntax function all "fullset"
  remove prop     all_def
end

theory set.Fset
  syntax type set "finite_set[%1]"

  syntax predicate mem "member(%1, %2)"
  remove prop      extensionality

  syntax predicate subset "subset?(%1, %2)"
  remove prop      subset_trans

  syntax function  empty    "(emptyset :: %t0)"
  syntax predicate is_empty "empty?(%1)"
  remove prop      empty_def1

  syntax function add "add(%1, %2)"
  remove prop     add_def1
  syntax function singleton "singleton(%1)"

  syntax function remove "remove(%1, %2)"
  remove prop     remove_def1
  remove prop     subset_remove

  syntax function union "union(%1, %2)"
  remove prop     union_def1

  syntax function inter "intersection(%1, %2)"
  remove prop     inter_def1

  syntax function diff "difference(%1, %2)"
  remove prop     diff_def1
  remove prop     subset_diff

  (* TODO: choose *)

  syntax function cardinal "Card(%1)"
  remove prop     cardinal_nonneg
  remove prop     cardinal_empty
  remove prop     cardinal_add
  remove prop     cardinal_remove
  remove prop     cardinal_subset
  remove prop     cardinal1

  (* TODO: nth *)
end

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(* this file has an extension .aux rather than .gen
   since it should not be distributed *)
import "pvs-realizations.aux"