TSTP Solution File: HWV015-2 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : HWV015-2 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n022.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sat Sep 17 02:10:36 EDT 2022

% Result   : Unsatisfiable 0.19s 0.47s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   37
% Syntax   : Number of formulae    :   68 (  24 unt;  13 typ;   0 def)
%            Number of atoms       :  346 (  86 equ)
%            Maximal formula atoms :   20 (   6 avg)
%            Number of connectives :  404 ( 141   ~; 227   |;   0   &)
%                                         (  36 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of FOOLs       :   28 (  28 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   11 (   9   >;   2   *;   0   +;   0  <<)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;   4 con; 0-2 aty)
%            Number of variables   :   36 (  32   !;   0   ?;  36   :)

% Comments : 
%------------------------------------------------------------------------------
tff(p_LES_EQU__type,type,
    p_LES_EQU_: ( $i * $i ) > $o ).

tff(f__length__type,type,
    f__length_: $i > $i ).

tff(f__empty__type,type,
    f__empty_: $i ).

tff(fwork_DOTfifo_DOTrtl_DOTint__level__type,type,
    fwork_DOTfifo_DOTrtl_DOTint__level_: $i > $i ).

tff(t_206_type,type,
    t_206: $i ).

tff(fwork_DOTfifo_DOTrtl_DOTlevel__type,type,
    fwork_DOTfifo_DOTrtl_DOTlevel_: $i > $i ).

tff(n0_type,type,
    n0: $i ).

tff(f_ADD__type,type,
    f_ADD_: ( $i * $i ) > $i ).

tff(n1_type,type,
    n1: $i ).

tff(p__pred__type,type,
    p__pred_: $i > $o ).

tff(fwork_DOTfifo_DOTrtl_DOTrd__type,type,
    fwork_DOTfifo_DOTrtl_DOTrd_: $i > $i ).

tff(fwork_DOTfifo_DOTrtl_DOTreset__type,type,
    fwork_DOTfifo_DOTrtl_DOTreset_: $i > $i ).

tff(fwork_DOTfifo_DOTrtl_DOTwr__type,type,
    fwork_DOTfifo_DOTrtl_DOTwr_: $i > $i ).

tff(1,plain,
    ^ [T_0: $i] :
      refl(
        ( ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) )
      <=> ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) )
  <=> ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) )
  <=> ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,axiom,
    ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ),
    file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_5) ).

tff(5,plain,
    ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ),
    inference(modus_ponens,[status(thm)],[4,3]) ).

tff(6,plain,
    ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ),
    inference(skolemize,[status(sab)],[5]) ).

tff(7,plain,
    ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ),
    inference(modus_ponens,[status(thm)],[6,2]) ).

tff(8,plain,
    ( ~ ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) )
    | ( fwork_DOTfifo_DOTrtl_DOTlevel_(t_206) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(9,plain,
    fwork_DOTfifo_DOTrtl_DOTlevel_(t_206) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),
    inference(unit_resolution,[status(thm)],[8,7]) ).

tff(10,plain,
    ( p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),f__length_(f__empty_))
  <=> p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_)) ),
    inference(monotonicity,[status(thm)],[9]) ).

tff(11,plain,
    ( ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),f__length_(f__empty_))
  <=> ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_)) ),
    inference(monotonicity,[status(thm)],[10]) ).

tff(12,plain,
    ( ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),n0)
  <=> ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),f__length_(f__empty_)) ),
    inference(rewrite,[status(thm)],]) ).

tff(13,plain,
    ( ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),n0)
  <=> ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),n0) ),
    inference(rewrite,[status(thm)],]) ).

tff(14,axiom,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),n0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_1) ).

tff(15,plain,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),n0),
    inference(modus_ponens,[status(thm)],[14,13]) ).

tff(16,plain,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),f__length_(f__empty_)),
    inference(modus_ponens,[status(thm)],[15,12]) ).

tff(17,plain,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_)),
    inference(modus_ponens,[status(thm)],[16,11]) ).

tff(18,plain,
    ( ~ ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) )
    | ( fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(19,plain,
    fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)),
    inference(unit_resolution,[status(thm)],[18,7]) ).

tff(20,plain,
    ( ( fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTlevel_(t_206) )
  <=> ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) ),
    inference(monotonicity,[status(thm)],[19,9]) ).

tff(21,plain,
    ( ( fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)) != fwork_DOTfifo_DOTrtl_DOTlevel_(t_206) )
  <=> ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) != fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) ),
    inference(monotonicity,[status(thm)],[20]) ).

tff(22,plain,
    ( ( fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)) != fwork_DOTfifo_DOTrtl_DOTlevel_(t_206) )
  <=> ( fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)) != fwork_DOTfifo_DOTrtl_DOTlevel_(t_206) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(23,axiom,
    fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)) != fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_5) ).

tff(24,plain,
    fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)) != fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),
    inference(modus_ponens,[status(thm)],[23,22]) ).

tff(25,plain,
    fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) != fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),
    inference(modus_ponens,[status(thm)],[24,21]) ).

tff(26,plain,
    ( p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
  <=> p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206)) ),
    inference(rewrite,[status(thm)],]) ).

tff(27,axiom,
    p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_4) ).

tff(28,plain,
    p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206)),
    inference(modus_ponens,[status(thm)],[27,26]) ).

tff(29,plain,
    ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
  <=> ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206)) ),
    inference(rewrite,[status(thm)],]) ).

tff(30,axiom,
    ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_3) ).

tff(31,plain,
    ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206)),
    inference(modus_ponens,[status(thm)],[30,29]) ).

tff(32,plain,
    ( p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
  <=> p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206)) ),
    inference(rewrite,[status(thm)],]) ).

tff(33,axiom,
    p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_2) ).

tff(34,plain,
    p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206)),
    inference(modus_ponens,[status(thm)],[33,32]) ).

tff(35,plain,
    ^ [T_13: $i] :
      refl(
        ( ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
          | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
      <=> ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
          | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) ) )),
    inference(bind,[status(th)],]) ).

tff(36,plain,
    ( ! [T_13: $i] :
        ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
        | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
  <=> ! [T_13: $i] :
        ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
        | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) ) ),
    inference(quant_intro,[status(thm)],[35]) ).

tff(37,plain,
    ^ [T_13: $i] :
      trans(
        monotonicity(
          rewrite(
            ( p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
          <=> p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )),
          ( ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) )
        <=> ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) ) )),
        rewrite(
          ( ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
        <=> ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) ) )),
        ( ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
          | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) )
      <=> ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
          | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) ) )),
    inference(bind,[status(th)],]) ).

tff(38,plain,
    ( ! [T_13: $i] :
        ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
        | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) )
  <=> ! [T_13: $i] :
        ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
        | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) ) ),
    inference(quant_intro,[status(thm)],[37]) ).

tff(39,plain,
    ( ! [T_13: $i] :
        ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
        | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) )
  <=> ! [T_13: $i] :
        ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
        | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(40,plain,
    ^ [T_13: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              trans(
                monotonicity(
                  rewrite(
                    ( ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) )
                  <=> ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ) )),
                  ( ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
                    | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13)) )
                <=> ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
                    | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13)) ) )),
                rewrite(
                  ( ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
                    | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13)) )
                <=> ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
                    | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ) )),
                ( ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                  | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
                  | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13)) )
              <=> ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
                  | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                  | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ) )),
              ( ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
                | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
                | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13)) )
            <=> ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
                | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
                | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13)) ) )),
            rewrite(
              ( ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
                | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
                | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13)) )
            <=> ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
                | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
                | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
                | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ) )),
            ( ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
              | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
              | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
              | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13)) )
          <=> ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
              | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
              | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
              | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ) )),
          ( ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13)) )
        <=> ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
            | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13)) ) )),
        rewrite(
          ( ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
            | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13)) )
        <=> ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ) )),
        ( ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
          | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
          | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13)) )
      <=> ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
          | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ) )),
    inference(bind,[status(th)],]) ).

tff(41,plain,
    ( ! [T_13: $i] :
        ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
        | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
        | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13)) )
  <=> ! [T_13: $i] :
        ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
        | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ) ),
    inference(quant_intro,[status(thm)],[40]) ).

tff(42,axiom,
    ! [T_13: $i] :
      ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0)
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
      | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_31) ).

tff(43,plain,
    ! [T_13: $i] :
      ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ),
    inference(modus_ponens,[status(thm)],[42,41]) ).

tff(44,plain,
    ! [T_13: $i] :
      ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),n0) ),
    inference(modus_ponens,[status(thm)],[43,39]) ).

tff(45,plain,
    ! [T_13: $i] :
      ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) ),
    inference(modus_ponens,[status(thm)],[44,38]) ).

tff(46,plain,
    ! [T_13: $i] :
      ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) ),
    inference(skolemize,[status(sab)],[45]) ).

tff(47,plain,
    ! [T_13: $i] :
      ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) ),
    inference(modus_ponens,[status(thm)],[46,36]) ).

tff(48,plain,
    ( ( ~ ! [T_13: $i] :
            ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
      | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) )
  <=> ( ~ ! [T_13: $i] :
            ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
      | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(49,plain,
    ( ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_)) )
  <=> ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(50,plain,
    ( ( ~ ! [T_13: $i] :
            ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
      | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_)) )
  <=> ( ~ ! [T_13: $i] :
            ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
      | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) ) ),
    inference(monotonicity,[status(thm)],[49]) ).

tff(51,plain,
    ( ( ~ ! [T_13: $i] :
            ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
      | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_)) )
  <=> ( ~ ! [T_13: $i] :
            ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
            | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
            | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
      | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) ) ),
    inference(transitivity,[status(thm)],[50,48]) ).

tff(52,plain,
    ( ~ ! [T_13: $i] :
          ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
          | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
    | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
    | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
    | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
    | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) )
    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(53,plain,
    ( ~ ! [T_13: $i] :
          ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13) )
          | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(T_13),f__length_(f__empty_)) )
    | p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
    | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))
    | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))
    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_))
    | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) ),
    inference(modus_ponens,[status(thm)],[52,51]) ).

tff(54,plain,
    ( p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),f__length_(f__empty_))
    | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) ) ),
    inference(unit_resolution,[status(thm)],[53,47,34,31,28]) ).

tff(55,plain,
    $false,
    inference(unit_resolution,[status(thm)],[54,25,17]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : HWV015-2 : TPTP v8.1.0. Released v2.5.0.
% 0.08/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.34  % Computer : n022.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Wed Aug 31 22:03:40 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.34  Usage: tptp [options] [-file:]file
% 0.12/0.34    -h, -?       prints this message.
% 0.12/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.34    -m, -model   generate model.
% 0.12/0.34    -p, -proof   generate proof.
% 0.12/0.34    -c, -core    generate unsat core of named formulas.
% 0.12/0.34    -st, -statistics display statistics.
% 0.12/0.34    -t:timeout   set timeout (in second).
% 0.12/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.34    -<param>:<value> configuration parameter and value.
% 0.12/0.34    -o:<output-file> file to place output in.
% 0.19/0.47  % SZS status Unsatisfiable
% 0.19/0.47  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------