TSTP Solution File: HWV028-2 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : HWV028-2 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n023.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 02:10:44 EDT 2022

% Result   : Unsatisfiable 0.22s 0.46s
% Output   : Proof 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   40
% Syntax   : Number of formulae    :   78 (  29 unt;  12 typ;   0 def)
%            Number of atoms       :  184 (  43 equ)
%            Maximal formula atoms :   12 (   2 avg)
%            Number of connectives :  187 (  76   ~;  84   |;   0   &)
%                                         (  27 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of FOOLs       :    7 (   7 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    9 (   7   >;   2   *;   0   +;   0  <<)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   5 con; 0-2 aty)
%            Number of variables   :   92 (  81   !;   0   ?;  92   :)

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

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

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

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

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

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

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

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

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

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

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

tff(fwork_DOTfifo_DOTrtl_DOTfifo__length__type,type,
    fwork_DOTfifo_DOTrtl_DOTfifo__length_: $i ).

tff(1,plain,
    ( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
  <=> p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206)) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_1) ).

tff(3,plain,
    p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206)),
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ^ [T_5: $i] :
      refl(
        ( ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) )
      <=> ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) ) )),
    inference(bind,[status(th)],]) ).

tff(5,plain,
    ( ! [T_5: $i] :
        ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) )
  <=> ! [T_5: $i] :
        ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) ) ),
    inference(quant_intro,[status(thm)],[4]) ).

tff(6,plain,
    ^ [T_5: $i] :
      rewrite(
        ( ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 ) )
      <=> ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) ) )),
    inference(bind,[status(th)],]) ).

tff(7,plain,
    ( ! [T_5: $i] :
        ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 ) )
  <=> ! [T_5: $i] :
        ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) ) ),
    inference(quant_intro,[status(thm)],[6]) ).

tff(8,plain,
    ( ! [T_5: $i] :
        ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 ) )
  <=> ! [T_5: $i] :
        ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(9,plain,
    ^ [T_5: $i] :
      rewrite(
        ( ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 )
          | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5)) )
      <=> ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 ) ) )),
    inference(bind,[status(th)],]) ).

tff(10,plain,
    ( ! [T_5: $i] :
        ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 )
        | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5)) )
  <=> ! [T_5: $i] :
        ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
        | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 ) ) ),
    inference(quant_intro,[status(thm)],[9]) ).

tff(11,axiom,
    ! [T_5: $i] :
      ( ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 )
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_12) ).

tff(12,plain,
    ! [T_5: $i] :
      ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 ) ),
    inference(modus_ponens,[status(thm)],[11,10]) ).

tff(13,plain,
    ! [T_5: $i] :
      ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = n0 ) ),
    inference(modus_ponens,[status(thm)],[12,8]) ).

tff(14,plain,
    ! [T_5: $i] :
      ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) ),
    inference(modus_ponens,[status(thm)],[13,7]) ).

tff(15,plain,
    ! [T_5: $i] :
      ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) ),
    inference(skolemize,[status(sab)],[14]) ).

tff(16,plain,
    ! [T_5: $i] :
      ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) ),
    inference(modus_ponens,[status(thm)],[15,5]) ).

tff(17,plain,
    ( ( ~ ! [T_5: $i] :
            ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) )
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = f__length_(f__empty_) ) )
  <=> ( ~ ! [T_5: $i] :
            ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
            | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) )
      | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
      | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = f__length_(f__empty_) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,plain,
    ( ~ ! [T_5: $i] :
          ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) )
    | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
    | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = f__length_(f__empty_) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(19,plain,
    ( ~ ! [T_5: $i] :
          ( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_5))
          | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_5,n1)) = f__length_(f__empty_) ) )
    | ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))
    | ( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = f__length_(f__empty_) ) ),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = f__length_(f__empty_),
    inference(unit_resolution,[status(thm)],[19,16,3]) ).

tff(21,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(22,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)],[21]) ).

tff(23,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(24,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(25,plain,
    ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ),
    inference(modus_ponens,[status(thm)],[24,23]) ).

tff(26,plain,
    ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ),
    inference(skolemize,[status(sab)],[25]) ).

tff(27,plain,
    ! [T_0: $i] : ( fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ),
    inference(modus_ponens,[status(thm)],[26,22]) ).

tff(28,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(29,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)],[28,27]) ).

tff(30,plain,
    fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)) = fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),
    inference(symmetry,[status(thm)],[29]) ).

tff(31,plain,
    ( p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)))
  <=> p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),f__length_(f__empty_)) ),
    inference(monotonicity,[status(thm)],[30,20]) ).

tff(32,plain,
    ( p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),f__length_(f__empty_))
  <=> p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1))) ),
    inference(symmetry,[status(thm)],[31]) ).

tff(33,plain,
    ( ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),f__length_(f__empty_))
  <=> ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1))) ),
    inference(monotonicity,[status(thm)],[32]) ).

tff(34,plain,
    ( ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,n0)
  <=> ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,f__length_(f__empty_)) ),
    inference(rewrite,[status(thm)],]) ).

tff(35,plain,
    ( ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,n0)
  <=> ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,n0) ),
    inference(rewrite,[status(thm)],]) ).

tff(36,axiom,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,n0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_3) ).

tff(37,plain,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,n0),
    inference(modus_ponens,[status(thm)],[36,35]) ).

tff(38,plain,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,f__length_(f__empty_)),
    inference(modus_ponens,[status(thm)],[37,34]) ).

tff(39,plain,
    ( ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTfifo__length_)
  <=> ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTfifo__length_) ),
    inference(rewrite,[status(thm)],]) ).

tff(40,axiom,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTfifo__length_),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_2) ).

tff(41,plain,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTfifo__length_),
    inference(modus_ponens,[status(thm)],[40,39]) ).

tff(42,plain,
    ^ [X_98: $i,Y_99: $i,Z_100: $i] :
      refl(
        ( ( p_LES_EQU_(Z_100,Y_99)
          | p_LES_EQU_(Y_99,X_98)
          | ~ p_LES_EQU_(Z_100,X_98) )
      <=> ( p_LES_EQU_(Z_100,Y_99)
          | p_LES_EQU_(Y_99,X_98)
          | ~ p_LES_EQU_(Z_100,X_98) ) )),
    inference(bind,[status(th)],]) ).

tff(43,plain,
    ( ! [X_98: $i,Y_99: $i,Z_100: $i] :
        ( p_LES_EQU_(Z_100,Y_99)
        | p_LES_EQU_(Y_99,X_98)
        | ~ p_LES_EQU_(Z_100,X_98) )
  <=> ! [X_98: $i,Y_99: $i,Z_100: $i] :
        ( p_LES_EQU_(Z_100,Y_99)
        | p_LES_EQU_(Y_99,X_98)
        | ~ p_LES_EQU_(Z_100,X_98) ) ),
    inference(quant_intro,[status(thm)],[42]) ).

tff(44,plain,
    ( ! [X_98: $i,Y_99: $i,Z_100: $i] :
        ( p_LES_EQU_(Z_100,Y_99)
        | p_LES_EQU_(Y_99,X_98)
        | ~ p_LES_EQU_(Z_100,X_98) )
  <=> ! [X_98: $i,Y_99: $i,Z_100: $i] :
        ( p_LES_EQU_(Z_100,Y_99)
        | p_LES_EQU_(Y_99,X_98)
        | ~ p_LES_EQU_(Z_100,X_98) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(45,plain,
    ^ [X_98: $i,Y_99: $i,Z_100: $i] :
      rewrite(
        ( ( ~ p_LES_EQU_(Z_100,X_98)
          | p_LES_EQU_(Y_99,X_98)
          | p_LES_EQU_(Z_100,Y_99) )
      <=> ( p_LES_EQU_(Z_100,Y_99)
          | p_LES_EQU_(Y_99,X_98)
          | ~ p_LES_EQU_(Z_100,X_98) ) )),
    inference(bind,[status(th)],]) ).

tff(46,plain,
    ( ! [X_98: $i,Y_99: $i,Z_100: $i] :
        ( ~ p_LES_EQU_(Z_100,X_98)
        | p_LES_EQU_(Y_99,X_98)
        | p_LES_EQU_(Z_100,Y_99) )
  <=> ! [X_98: $i,Y_99: $i,Z_100: $i] :
        ( p_LES_EQU_(Z_100,Y_99)
        | p_LES_EQU_(Y_99,X_98)
        | ~ p_LES_EQU_(Z_100,X_98) ) ),
    inference(quant_intro,[status(thm)],[45]) ).

tff(47,axiom,
    ! [X_98: $i,Y_99: $i,Z_100: $i] :
      ( ~ p_LES_EQU_(Z_100,X_98)
      | p_LES_EQU_(Y_99,X_98)
      | p_LES_EQU_(Z_100,Y_99) ),
    file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_71) ).

tff(48,plain,
    ! [X_98: $i,Y_99: $i,Z_100: $i] :
      ( p_LES_EQU_(Z_100,Y_99)
      | p_LES_EQU_(Y_99,X_98)
      | ~ p_LES_EQU_(Z_100,X_98) ),
    inference(modus_ponens,[status(thm)],[47,46]) ).

tff(49,plain,
    ! [X_98: $i,Y_99: $i,Z_100: $i] :
      ( p_LES_EQU_(Z_100,Y_99)
      | p_LES_EQU_(Y_99,X_98)
      | ~ p_LES_EQU_(Z_100,X_98) ),
    inference(modus_ponens,[status(thm)],[48,44]) ).

tff(50,plain,
    ! [X_98: $i,Y_99: $i,Z_100: $i] :
      ( p_LES_EQU_(Z_100,Y_99)
      | p_LES_EQU_(Y_99,X_98)
      | ~ p_LES_EQU_(Z_100,X_98) ),
    inference(skolemize,[status(sab)],[49]) ).

tff(51,plain,
    ! [X_98: $i,Y_99: $i,Z_100: $i] :
      ( p_LES_EQU_(Z_100,Y_99)
      | p_LES_EQU_(Y_99,X_98)
      | ~ p_LES_EQU_(Z_100,X_98) ),
    inference(modus_ponens,[status(thm)],[50,43]) ).

tff(52,plain,
    ( ( ~ ! [X_98: $i,Y_99: $i,Z_100: $i] :
            ( p_LES_EQU_(Z_100,Y_99)
            | p_LES_EQU_(Y_99,X_98)
            | ~ p_LES_EQU_(Z_100,X_98) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTfifo__length_)
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,f__length_(f__empty_))
      | ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),f__length_(f__empty_)) )
  <=> ( ~ ! [X_98: $i,Y_99: $i,Z_100: $i] :
            ( p_LES_EQU_(Z_100,Y_99)
            | p_LES_EQU_(Y_99,X_98)
            | ~ p_LES_EQU_(Z_100,X_98) )
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTfifo__length_)
      | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,f__length_(f__empty_))
      | ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),f__length_(f__empty_)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(53,plain,
    ( ~ ! [X_98: $i,Y_99: $i,Z_100: $i] :
          ( p_LES_EQU_(Z_100,Y_99)
          | p_LES_EQU_(Y_99,X_98)
          | ~ p_LES_EQU_(Z_100,X_98) )
    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTfifo__length_)
    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,f__length_(f__empty_))
    | ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),f__length_(f__empty_)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(54,plain,
    ( ~ ! [X_98: $i,Y_99: $i,Z_100: $i] :
          ( p_LES_EQU_(Z_100,Y_99)
          | p_LES_EQU_(Y_99,X_98)
          | ~ p_LES_EQU_(Z_100,X_98) )
    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTfifo__length_)
    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,f__length_(f__empty_))
    | ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),f__length_(f__empty_)) ),
    inference(modus_ponens,[status(thm)],[53,52]) ).

tff(55,plain,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1)),f__length_(f__empty_)),
    inference(unit_resolution,[status(thm)],[54,51,41,38]) ).

tff(56,plain,
    ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1))),
    inference(modus_ponens,[status(thm)],[55,33]) ).

tff(57,plain,
    ^ [X_106: $i] :
      refl(
        ( p_LES_EQU_(X_106,X_106)
      <=> p_LES_EQU_(X_106,X_106) )),
    inference(bind,[status(th)],]) ).

tff(58,plain,
    ( ! [X_106: $i] : p_LES_EQU_(X_106,X_106)
  <=> ! [X_106: $i] : p_LES_EQU_(X_106,X_106) ),
    inference(quant_intro,[status(thm)],[57]) ).

tff(59,plain,
    ( ! [X_106: $i] : p_LES_EQU_(X_106,X_106)
  <=> ! [X_106: $i] : p_LES_EQU_(X_106,X_106) ),
    inference(rewrite,[status(thm)],]) ).

tff(60,axiom,
    ! [X_106: $i] : p_LES_EQU_(X_106,X_106),
    file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_75) ).

tff(61,plain,
    ! [X_106: $i] : p_LES_EQU_(X_106,X_106),
    inference(modus_ponens,[status(thm)],[60,59]) ).

tff(62,plain,
    ! [X_106: $i] : p_LES_EQU_(X_106,X_106),
    inference(skolemize,[status(sab)],[61]) ).

tff(63,plain,
    ! [X_106: $i] : p_LES_EQU_(X_106,X_106),
    inference(modus_ponens,[status(thm)],[62,58]) ).

tff(64,plain,
    ( ~ ! [X_106: $i] : p_LES_EQU_(X_106,X_106)
    | p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(65,plain,
    p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1)),fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(t_206,n1))),
    inference(unit_resolution,[status(thm)],[64,63]) ).

tff(66,plain,
    $false,
    inference(unit_resolution,[status(thm)],[65,56]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : HWV028-2 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.35  % Computer : n023.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Wed Aug 31 22:27:19 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.35  Usage: tptp [options] [-file:]file
% 0.13/0.35    -h, -?       prints this message.
% 0.13/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.35    -m, -model   generate model.
% 0.13/0.35    -p, -proof   generate proof.
% 0.13/0.35    -c, -core    generate unsat core of named formulas.
% 0.13/0.35    -st, -statistics display statistics.
% 0.13/0.35    -t:timeout   set timeout (in second).
% 0.13/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.35    -<param>:<value> configuration parameter and value.
% 0.13/0.35    -o:<output-file> file to place output in.
% 0.22/0.46  % SZS status Unsatisfiable
% 0.22/0.46  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------