TSTP Solution File: SEV087^5 by Vampire---4.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire---4.9
% Problem  : SEV087^5 : TPTP v8.2.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire %s %d THM

% Computer : n018.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 : Mon Jun 24 16:01:45 EDT 2024

% Result   : Theorem 0.22s 0.40s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   72 (   2 unt;   0 typ;   0 def)
%            Number of atoms       :  607 ( 253 equ;   0 cnn)
%            Maximal formula atoms :    8 (   8 avg)
%            Number of connectives :  605 (  97   ~;  79   |;  62   &; 345   @)
%                                         (   7 <=>;  15  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  334 ( 334   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   19 (  16 usr;   9 con; 0-2 aty)
%            Number of variables   :  292 ( 194   ^  58   !;  40   ?; 292   :)

% Comments : 
%------------------------------------------------------------------------------
thf(func_def_4,type,
    sP0: ( ( $i > $o ) > ( $i > $o ) > $o ) > $o ).

thf(func_def_5,type,
    sP1: ( ( $i > $o ) > ( $i > $o ) > $o ) > $o ).

thf(func_def_6,type,
    sK2: ( ( $i > $o ) > ( $i > $o ) > $o ) > $i > $o ).

thf(func_def_7,type,
    sK3: ( ( $i > $o ) > ( $i > $o ) > $o ) > $i > $o ).

thf(func_def_8,type,
    sK4: ( ( $i > $o ) > ( $i > $o ) > $o ) > $i > $o ).

thf(func_def_9,type,
    sK5: ( ( $i > $o ) > ( $i > $o ) > $o ) > $i > $o ).

thf(func_def_10,type,
    sK6: ( ( $i > $o ) > ( $i > $o ) > $o ) > $i > $o ).

thf(func_def_11,type,
    sK7: ( ( $i > $o ) > ( $i > $o ) > $o ) > $i > $o ).

thf(func_def_13,type,
    ph9: 
      !>[X0: $tType] : X0 ).

thf(f125,plain,
    $false,
    inference(avatar_sat_refutation,[],[f63,f81,f86,f91,f92,f97,f123,f124]) ).

thf(f124,plain,
    ( ~ spl8_8
    | ~ spl8_3 ),
    inference(avatar_split_clause,[],[f111,f60,f119]) ).

thf(f119,plain,
    ( spl8_8
  <=> ( ( sK5
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = ( sK6
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_8])]) ).

thf(f60,plain,
    ( spl8_3
  <=> ( $true
      = ( sP0
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_3])]) ).

thf(f111,plain,
    ( ( ( sK5
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
     != ( sK6
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ~ spl8_3 ),
    inference(trivial_inequality_removal,[],[f108]) ).

thf(f108,plain,
    ( ( ( sK5
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
     != ( sK6
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ( $true != $true )
    | ~ spl8_3 ),
    inference(superposition,[],[f26,f62]) ).

thf(f62,plain,
    ( ( $true
      = ( sP0
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ~ spl8_3 ),
    inference(avatar_component_clause,[],[f60]) ).

thf(f26,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( ( sP0 @ X0 )
       != $true )
      | ( ( sK5 @ X0 )
       != ( sK6 @ X0 ) ) ),
    inference(cnf_transformation,[],[f20]) ).

thf(f20,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( ( $true
          = ( X0 @ ( sK5 @ X0 ) @ ( sK6 @ X0 ) ) )
        & ( $true
          = ( X0 @ ( sK6 @ X0 ) @ ( sK5 @ X0 ) ) )
        & ( ( sK5 @ X0 )
         != ( sK6 @ X0 ) ) )
      | ( ( sP0 @ X0 )
       != $true ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5,sK6])],[f18,f19]) ).

thf(f19,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X1: $i > $o,X2: $i > $o] :
          ( ( ( X0 @ X1 @ X2 )
            = $true )
          & ( $true
            = ( X0 @ X2 @ X1 ) )
          & ( X1 != X2 ) )
     => ( ( $true
          = ( X0 @ ( sK5 @ X0 ) @ ( sK6 @ X0 ) ) )
        & ( $true
          = ( X0 @ ( sK6 @ X0 ) @ ( sK5 @ X0 ) ) )
        & ( ( sK5 @ X0 )
         != ( sK6 @ X0 ) ) ) ),
    introduced(choice_axiom,[]) ).

thf(f18,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X1: $i > $o,X2: $i > $o] :
          ( ( ( X0 @ X1 @ X2 )
            = $true )
          & ( $true
            = ( X0 @ X2 @ X1 ) )
          & ( X1 != X2 ) )
      | ( ( sP0 @ X0 )
       != $true ) ),
    inference(rectify,[],[f17]) ).

thf(f17,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X2: $i > $o,X3: $i > $o] :
          ( ( ( X0 @ X2 @ X3 )
            = $true )
          & ( $true
            = ( X0 @ X3 @ X2 ) )
          & ( X2 != X3 ) )
      | ( ( sP0 @ X0 )
       != $true ) ),
    inference(nnf_transformation,[],[f10]) ).

thf(f10,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X2: $i > $o,X3: $i > $o] :
          ( ( ( X0 @ X2 @ X3 )
            = $true )
          & ( $true
            = ( X0 @ X3 @ X2 ) )
          & ( X2 != X3 ) )
      | ( ( sP0 @ X0 )
       != $true ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[=])]) ).

thf(f123,plain,
    ( spl8_8
    | ~ spl8_3 ),
    inference(avatar_split_clause,[],[f114,f60,f119]) ).

thf(f114,plain,
    ( ( ( sK5
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = ( sK6
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ~ spl8_3 ),
    inference(equality_proxy_clausification,[],[f113]) ).

thf(f113,plain,
    ( ( $true
      = ( ( sK6
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        = ( sK5
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) )
    | ~ spl8_3 ),
    inference(beta_eta_normalization,[],[f112]) ).

thf(f112,plain,
    ( ( ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ( sK5
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        @ ( sK6
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
      = $true )
    | ~ spl8_3 ),
    inference(trivial_inequality_removal,[],[f110]) ).

thf(f110,plain,
    ( ( $true != $true )
    | ( ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ( sK5
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        @ ( sK6
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
      = $true )
    | ~ spl8_3 ),
    inference(superposition,[],[f28,f62]) ).

thf(f28,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( $true
        = ( X0 @ ( sK5 @ X0 ) @ ( sK6 @ X0 ) ) )
      | ( ( sP0 @ X0 )
       != $true ) ),
    inference(cnf_transformation,[],[f20]) ).

thf(f97,plain,
    ~ spl8_1,
    inference(avatar_contradiction_clause,[],[f96]) ).

thf(f96,plain,
    ( $false
    | ~ spl8_1 ),
    inference(trivial_inequality_removal,[],[f95]) ).

thf(f95,plain,
    ( ( $true = $false )
    | ~ spl8_1 ),
    inference(beta_eta_normalization,[],[f94]) ).

thf(f94,plain,
    ( ! [X1: $i] :
        ( ( ^ [Y0: $i] : $true
          @ X1 )
        = ( ^ [Y0: $i] : $false
          @ X1 ) )
    | ~ spl8_1 ),
    inference(argument_congruence,[],[f54]) ).

thf(f54,plain,
    ( ( ( ^ [Y0: $i] : $false )
      = ( ^ [Y0: $i] : $true ) )
    | ~ spl8_1 ),
    inference(avatar_component_clause,[],[f52]) ).

thf(f52,plain,
    ( spl8_1
  <=> ( ( ^ [Y0: $i] : $false )
      = ( ^ [Y0: $i] : $true ) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_1])]) ).

thf(f92,plain,
    ( ( ( sK3
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
     != ( sK2
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ( ( sK3
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
     != ( sK4
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ( ( sK4
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = ( sK2
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) ),
    introduced(theory_tautology_sat_conflict,[]) ).

thf(f91,plain,
    ( spl8_6
    | ~ spl8_2 ),
    inference(avatar_split_clause,[],[f70,f56,f88]) ).

thf(f88,plain,
    ( spl8_6
  <=> ( ( sK3
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = ( sK2
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_6])]) ).

thf(f56,plain,
    ( spl8_2
  <=> ( ( sP1
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = $true ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_2])]) ).

thf(f70,plain,
    ( ( ( sK3
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = ( sK2
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ~ spl8_2 ),
    inference(equality_proxy_clausification,[],[f69]) ).

thf(f69,plain,
    ( ( $true
      = ( ( sK3
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        = ( sK2
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) )
    | ~ spl8_2 ),
    inference(beta_eta_normalization,[],[f68]) ).

thf(f68,plain,
    ( ( ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ( sK2
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        @ ( sK3
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
      = $true )
    | ~ spl8_2 ),
    inference(trivial_inequality_removal,[],[f67]) ).

thf(f67,plain,
    ( ( ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ( sK2
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        @ ( sK3
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
      = $true )
    | ( $true != $true )
    | ~ spl8_2 ),
    inference(superposition,[],[f23,f58]) ).

thf(f58,plain,
    ( ( ( sP1
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = $true )
    | ~ spl8_2 ),
    inference(avatar_component_clause,[],[f56]) ).

thf(f23,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( ( sP1 @ X0 )
       != $true )
      | ( $true
        = ( X0 @ ( sK2 @ X0 ) @ ( sK3 @ X0 ) ) ) ),
    inference(cnf_transformation,[],[f16]) ).

thf(f16,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( ( $true
          = ( X0 @ ( sK3 @ X0 ) @ ( sK4 @ X0 ) ) )
        & ( ( X0 @ ( sK2 @ X0 ) @ ( sK4 @ X0 ) )
         != $true )
        & ( $true
          = ( X0 @ ( sK2 @ X0 ) @ ( sK3 @ X0 ) ) ) )
      | ( ( sP1 @ X0 )
       != $true ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4])],[f14,f15]) ).

thf(f15,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X1: $i > $o,X2: $i > $o,X3: $i > $o] :
          ( ( ( X0 @ X2 @ X3 )
            = $true )
          & ( ( X0 @ X1 @ X3 )
           != $true )
          & ( ( X0 @ X1 @ X2 )
            = $true ) )
     => ( ( $true
          = ( X0 @ ( sK3 @ X0 ) @ ( sK4 @ X0 ) ) )
        & ( ( X0 @ ( sK2 @ X0 ) @ ( sK4 @ X0 ) )
         != $true )
        & ( $true
          = ( X0 @ ( sK2 @ X0 ) @ ( sK3 @ X0 ) ) ) ) ),
    introduced(choice_axiom,[]) ).

thf(f14,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X1: $i > $o,X2: $i > $o,X3: $i > $o] :
          ( ( ( X0 @ X2 @ X3 )
            = $true )
          & ( ( X0 @ X1 @ X3 )
           != $true )
          & ( ( X0 @ X1 @ X2 )
            = $true ) )
      | ( ( sP1 @ X0 )
       != $true ) ),
    inference(rectify,[],[f13]) ).

thf(f13,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X6: $i > $o,X5: $i > $o,X4: $i > $o] :
          ( ( ( X0 @ X5 @ X4 )
            = $true )
          & ( ( X0 @ X6 @ X4 )
           != $true )
          & ( $true
            = ( X0 @ X6 @ X5 ) ) )
      | ( ( sP1 @ X0 )
       != $true ) ),
    inference(nnf_transformation,[],[f11]) ).

thf(f11,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X6: $i > $o,X5: $i > $o,X4: $i > $o] :
          ( ( ( X0 @ X5 @ X4 )
            = $true )
          & ( ( X0 @ X6 @ X4 )
           != $true )
          & ( $true
            = ( X0 @ X6 @ X5 ) ) )
      | ( ( sP1 @ X0 )
       != $true ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[=])]) ).

thf(f86,plain,
    ( ~ spl8_5
    | ~ spl8_2 ),
    inference(avatar_split_clause,[],[f73,f56,f83]) ).

thf(f83,plain,
    ( spl8_5
  <=> ( ( sK4
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = ( sK2
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_5])]) ).

thf(f73,plain,
    ( ( ( sK4
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
     != ( sK2
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ~ spl8_2 ),
    inference(equality_proxy_clausification,[],[f72]) ).

thf(f72,plain,
    ( ( $true
     != ( ( sK4
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        = ( sK2
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) )
    | ~ spl8_2 ),
    inference(beta_eta_normalization,[],[f71]) ).

thf(f71,plain,
    ( ( $true
     != ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ( sK2
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        @ ( sK4
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) )
    | ~ spl8_2 ),
    inference(trivial_inequality_removal,[],[f66]) ).

thf(f66,plain,
    ( ( $true
     != ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ( sK2
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        @ ( sK4
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) )
    | ( $true != $true )
    | ~ spl8_2 ),
    inference(superposition,[],[f24,f58]) ).

thf(f24,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( ( sP1 @ X0 )
       != $true )
      | ( ( X0 @ ( sK2 @ X0 ) @ ( sK4 @ X0 ) )
       != $true ) ),
    inference(cnf_transformation,[],[f16]) ).

thf(f81,plain,
    ( spl8_4
    | ~ spl8_2 ),
    inference(avatar_split_clause,[],[f76,f56,f78]) ).

thf(f78,plain,
    ( spl8_4
  <=> ( ( sK3
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = ( sK4
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_4])]) ).

thf(f76,plain,
    ( ( ( sK3
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = ( sK4
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ~ spl8_2 ),
    inference(equality_proxy_clausification,[],[f75]) ).

thf(f75,plain,
    ( ( ( ( sK4
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        = ( sK3
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
      = $true )
    | ~ spl8_2 ),
    inference(beta_eta_normalization,[],[f74]) ).

thf(f74,plain,
    ( ( $true
      = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ( sK3
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        @ ( sK4
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) )
    | ~ spl8_2 ),
    inference(trivial_inequality_removal,[],[f65]) ).

thf(f65,plain,
    ( ( $true
      = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ( sK3
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        @ ( sK4
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) )
    | ( $true != $true )
    | ~ spl8_2 ),
    inference(superposition,[],[f25,f58]) ).

thf(f25,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( $true
        = ( X0 @ ( sK3 @ X0 ) @ ( sK4 @ X0 ) ) )
      | ( ( sP1 @ X0 )
       != $true ) ),
    inference(cnf_transformation,[],[f16]) ).

thf(f63,plain,
    ( spl8_1
    | spl8_2
    | spl8_3 ),
    inference(avatar_split_clause,[],[f40,f60,f56,f52]) ).

thf(f40,plain,
    ( ( ( sP1
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = $true )
    | ( ( ^ [Y0: $i] : $false )
      = ( ^ [Y0: $i] : $true ) )
    | ( $true
      = ( sP0
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) ),
    inference(equality_proxy_clausification,[],[f39]) ).

thf(f39,plain,
    ( ( ( sP1
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = $true )
    | ( $true
      = ( sP0
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ( $true
      = ( ( ^ [Y0: $i] : $false )
        = ( ^ [Y0: $i] : $true ) ) ) ),
    inference(trivial_inequality_removal,[],[f38]) ).

thf(f38,plain,
    ( ( $true
      = ( ( ^ [Y0: $i] : $false )
        = ( ^ [Y0: $i] : $true ) ) )
    | ( $true != $true )
    | ( ( sP1
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = $true )
    | ( $true
      = ( sP0
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) ),
    inference(boolean_simplification,[],[f37]) ).

thf(f37,plain,
    ( ( $true
     != ( ( sK7
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        = ( sK7
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) ) )
    | ( $true
      = ( ( ^ [Y0: $i] : $false )
        = ( ^ [Y0: $i] : $true ) ) )
    | ( $true
      = ( sP0
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ( ( sP1
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = $true ) ),
    inference(beta_eta_normalization,[],[f31]) ).

thf(f31,plain,
    ( ( $true
      = ( sP0
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
    | ( $true
      = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ^ [Y0: $i] : $true
        @ ^ [Y0: $i] : $false ) )
    | ( ( ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 )
        @ ( sK7
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
        @ ( sK7
          @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) ) )
     != $true )
    | ( ( sP1
        @ ^ [Y0: $i > $o,Y1: $i > $o] : ( Y1 = Y0 ) )
      = $true ) ),
    inference(primitive_instantiation,[],[f29]) ).

thf(f29,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( $true
       != ( X0 @ ( sK7 @ X0 ) @ ( sK7 @ X0 ) ) )
      | ( ( sP1 @ X0 )
        = $true )
      | ( $true
        = ( X0
          @ ^ [Y0: $i] : $true
          @ ^ [Y0: $i] : $false ) )
      | ( ( sP0 @ X0 )
        = $true ) ),
    inference(cnf_transformation,[],[f22]) ).

thf(f22,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( ( sP1 @ X0 )
        = $true )
      | ( $true
        = ( X0
          @ ^ [Y0: $i] : $true
          @ ^ [Y0: $i] : $false ) )
      | ( $true
       != ( X0 @ ( sK7 @ X0 ) @ ( sK7 @ X0 ) ) )
      | ( ( sP0 @ X0 )
        = $true ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7])],[f12,f21]) ).

thf(f21,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X1: $i > $o] :
          ( ( X0 @ X1 @ X1 )
         != $true )
     => ( $true
       != ( X0 @ ( sK7 @ X0 ) @ ( sK7 @ X0 ) ) ) ),
    introduced(choice_axiom,[]) ).

thf(f12,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ( ( sP1 @ X0 )
        = $true )
      | ( $true
        = ( X0
          @ ^ [Y0: $i] : $true
          @ ^ [Y0: $i] : $false ) )
      | ? [X1: $i > $o] :
          ( ( X0 @ X1 @ X1 )
         != $true )
      | ( ( sP0 @ X0 )
        = $true ) ),
    inference(definition_folding,[],[f9,f11,f10]) ).

thf(f9,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X6: $i > $o,X5: $i > $o,X4: $i > $o] :
          ( ( ( X0 @ X5 @ X4 )
            = $true )
          & ( ( X0 @ X6 @ X4 )
           != $true )
          & ( $true
            = ( X0 @ X6 @ X5 ) ) )
      | ( $true
        = ( X0
          @ ^ [Y0: $i] : $true
          @ ^ [Y0: $i] : $false ) )
      | ? [X1: $i > $o] :
          ( ( X0 @ X1 @ X1 )
         != $true )
      | ? [X2: $i > $o,X3: $i > $o] :
          ( ( ( X0 @ X2 @ X3 )
            = $true )
          & ( $true
            = ( X0 @ X3 @ X2 ) )
          & ( X2 != X3 ) ) ),
    inference(flattening,[],[f8]) ).

thf(f8,plain,
    ! [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ? [X1: $i > $o] :
          ( ( X0 @ X1 @ X1 )
         != $true )
      | ? [X2: $i > $o,X3: $i > $o] :
          ( ( X2 != X3 )
          & ( ( X0 @ X2 @ X3 )
            = $true )
          & ( $true
            = ( X0 @ X3 @ X2 ) ) )
      | ( $true
        = ( X0
          @ ^ [Y0: $i] : $true
          @ ^ [Y0: $i] : $false ) )
      | ? [X6: $i > $o,X5: $i > $o,X4: $i > $o] :
          ( ( ( X0 @ X6 @ X4 )
           != $true )
          & ( $true
            = ( X0 @ X6 @ X5 ) )
          & ( ( X0 @ X5 @ X4 )
            = $true ) ) ),
    inference(ennf_transformation,[],[f7]) ).

thf(f7,plain,
    ~ ? [X0: ( $i > $o ) > ( $i > $o ) > $o] :
        ( ! [X1: $i > $o] :
            ( ( X0 @ X1 @ X1 )
            = $true )
        & ! [X2: $i > $o,X3: $i > $o] :
            ( ( ( ( X0 @ X2 @ X3 )
                = $true )
              & ( $true
                = ( X0 @ X3 @ X2 ) ) )
           => ( X2 = X3 ) )
        & ( $true
         != ( X0
            @ ^ [Y0: $i] : $true
            @ ^ [Y0: $i] : $false ) )
        & ! [X6: $i > $o,X5: $i > $o,X4: $i > $o] :
            ( ( ( $true
                = ( X0 @ X6 @ X5 ) )
              & ( ( X0 @ X5 @ X4 )
                = $true ) )
           => ( ( X0 @ X6 @ X4 )
              = $true ) ) ),
    inference(flattening,[],[f6]) ).

thf(f6,plain,
    ~ ? [X0: ( $i > $o ) > ( $i > $o ) > $o] :
        ( ! [X1: $i > $o] :
            ( ( X0 @ X1 @ X1 )
            = $true )
        & ( $true
         != ( X0
            @ ^ [Y0: $i] : $true
            @ ^ [Y0: $i] : $false ) )
        & ! [X2: $i > $o,X3: $i > $o] :
            ( ( ( ( X0 @ X2 @ X3 )
                = $true )
              & ( $true
                = ( X0 @ X3 @ X2 ) ) )
           => ( X2 = X3 ) )
        & ! [X6: $i > $o,X5: $i > $o,X4: $i > $o] :
            ( ( ( $true
                = ( X0 @ X6 @ X5 ) )
              & ( ( X0 @ X5 @ X4 )
                = $true ) )
           => ( ( X0 @ X6 @ X4 )
              = $true ) ) ),
    inference(rectify,[],[f5]) ).

thf(f5,plain,
    ~ ? [X0: ( $i > $o ) > ( $i > $o ) > $o] :
        ( ! [X1: $i > $o] :
            ( ( X0 @ X1 @ X1 )
            = $true )
        & ( $true
         != ( X0
            @ ^ [Y0: $i] : $true
            @ ^ [Y0: $i] : $false ) )
        & ! [X4: $i > $o,X5: $i > $o] :
            ( ( ( ( X0 @ X4 @ X5 )
                = $true )
              & ( ( X0 @ X5 @ X4 )
                = $true ) )
           => ( X4 = X5 ) )
        & ! [X6: $i > $o,X7: $i > $o,X8: $i > $o] :
            ( ( ( ( X0 @ X8 @ X7 )
                = $true )
              & ( $true
                = ( X0 @ X7 @ X6 ) ) )
           => ( ( X0 @ X8 @ X6 )
              = $true ) ) ),
    inference(fool_elimination,[],[f4]) ).

thf(f4,plain,
    ~ ? [X0: ( $i > $o ) > ( $i > $o ) > $o] :
        ( ! [X1: $i > $o] : ( X0 @ X1 @ X1 )
        & ~ ( X0
            @ ^ [X2: $i] : $true
            @ ^ [X3: $i] : $false )
        & ! [X4: $i > $o,X5: $i > $o] :
            ( ( ( X0 @ X4 @ X5 )
              & ( X0 @ X5 @ X4 ) )
           => ( X4 = X5 ) )
        & ! [X6: $i > $o,X7: $i > $o,X8: $i > $o] :
            ( ( ( X0 @ X8 @ X7 )
              & ( X0 @ X7 @ X6 ) )
           => ( X0 @ X8 @ X6 ) ) ),
    inference(rectify,[],[f2]) ).

thf(f2,negated_conjecture,
    ~ ? [X0: ( $i > $o ) > ( $i > $o ) > $o] :
        ( ! [X1: $i > $o] : ( X0 @ X1 @ X1 )
        & ~ ( X0
            @ ^ [X1: $i] : $true
            @ ^ [X1: $i] : $false )
        & ! [X4: $i > $o,X5: $i > $o] :
            ( ( ( X0 @ X4 @ X5 )
              & ( X0 @ X5 @ X4 ) )
           => ( X4 = X5 ) )
        & ! [X3: $i > $o,X2: $i > $o,X1: $i > $o] :
            ( ( ( X0 @ X1 @ X2 )
              & ( X0 @ X2 @ X3 ) )
           => ( X0 @ X1 @ X3 ) ) ),
    inference(negated_conjecture,[],[f1]) ).

thf(f1,conjecture,
    ? [X0: ( $i > $o ) > ( $i > $o ) > $o] :
      ( ! [X1: $i > $o] : ( X0 @ X1 @ X1 )
      & ~ ( X0
          @ ^ [X1: $i] : $true
          @ ^ [X1: $i] : $false )
      & ! [X4: $i > $o,X5: $i > $o] :
          ( ( ( X0 @ X4 @ X5 )
            & ( X0 @ X5 @ X4 ) )
         => ( X4 = X5 ) )
      & ! [X3: $i > $o,X2: $i > $o,X1: $i > $o] :
          ( ( ( X0 @ X1 @ X2 )
            & ( X0 @ X2 @ X3 ) )
         => ( X0 @ X1 @ X3 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cTHM120H_pme) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SEV087^5 : TPTP v8.2.0. Released v4.0.0.
% 0.11/0.12  % Command    : run_vampire %s %d THM
% 0.12/0.33  % Computer : n018.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Fri Jun 21 19:17:39 EDT 2024
% 0.12/0.33  % CPUTime    : 
% 0.12/0.35  This is a TH0_THM_EQU_NAR problem
% 0.12/0.35  Running higher-order theorem proving
% 0.12/0.35  Running /export/starexec/sandbox2/solver/bin/vampire_ho --cores 7 --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_hol /export/starexec/sandbox2/benchmark/theBenchmark.p -m 16384 -t 300
% 0.12/0.38  % (18333)lrs+10_1:1_c=on:cnfonf=conj_eager:fd=off:fe=off:kws=frequency:spb=intro:i=4:si=on:rtra=on_0 on theBenchmark for (2999ds/4Mi)
% 0.12/0.38  % (18336)lrs+1002_1:128_aac=none:au=on:cnfonf=lazy_not_gen_be_off:sos=all:i=2:si=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.12/0.38  % (18332)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on theBenchmark for (2999ds/183Mi)
% 0.12/0.38  % (18334)dis+1010_1:1_au=on:cbe=off:chr=on:fsr=off:hfsq=on:nm=64:sos=theory:sp=weighted_frequency:i=27:si=on:rtra=on_0 on theBenchmark for (2999ds/27Mi)
% 0.12/0.38  % (18337)lrs+1002_1:1_au=on:bd=off:e2e=on:sd=2:sos=on:ss=axioms:i=275:si=on:rtra=on_0 on theBenchmark for (2999ds/275Mi)
% 0.12/0.38  % (18336)Instruction limit reached!
% 0.12/0.38  % (18336)------------------------------
% 0.12/0.38  % (18336)Version: Vampire 4.8 (commit 11aac991b on 2023-10-04 16:26:07 +0200)
% 0.12/0.38  % (18336)Termination reason: Unknown
% 0.12/0.38  % (18336)Termination phase: Saturation
% 0.12/0.38  
% 0.12/0.38  % (18336)Memory used [KB]: 5500
% 0.12/0.38  % (18336)Time elapsed: 0.004 s
% 0.12/0.38  % (18336)Instructions burned: 2 (million)
% 0.12/0.38  % (18336)------------------------------
% 0.12/0.38  % (18336)------------------------------
% 0.12/0.38  % (18338)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on theBenchmark for (2999ds/18Mi)
% 0.22/0.38  % (18333)Instruction limit reached!
% 0.22/0.38  % (18333)------------------------------
% 0.22/0.38  % (18333)Version: Vampire 4.8 (commit 11aac991b on 2023-10-04 16:26:07 +0200)
% 0.22/0.38  % (18333)Termination reason: Unknown
% 0.22/0.38  % (18333)Termination phase: Saturation
% 0.22/0.38  
% 0.22/0.38  % (18333)Memory used [KB]: 5500
% 0.22/0.38  % (18333)Time elapsed: 0.006 s
% 0.22/0.38  % (18333)Instructions burned: 4 (million)
% 0.22/0.38  % (18333)------------------------------
% 0.22/0.38  % (18333)------------------------------
% 0.22/0.38  % (18334)Refutation not found, incomplete strategy
% 0.22/0.38  % (18334)------------------------------
% 0.22/0.38  % (18334)Version: Vampire 4.8 (commit 11aac991b on 2023-10-04 16:26:07 +0200)
% 0.22/0.38  % (18334)Termination reason: Refutation not found, incomplete strategy
% 0.22/0.38  
% 0.22/0.38  
% 0.22/0.38  % (18334)Memory used [KB]: 5500
% 0.22/0.38  % (18334)Time elapsed: 0.006 s
% 0.22/0.38  % (18334)Instructions burned: 4 (million)
% 0.22/0.38  % (18334)------------------------------
% 0.22/0.38  % (18334)------------------------------
% 0.22/0.38  % (18335)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.22/0.38  % (18335)Instruction limit reached!
% 0.22/0.38  % (18335)------------------------------
% 0.22/0.38  % (18335)Version: Vampire 4.8 (commit 11aac991b on 2023-10-04 16:26:07 +0200)
% 0.22/0.38  % (18335)Termination reason: Unknown
% 0.22/0.38  % (18335)Termination phase: Saturation
% 0.22/0.38  
% 0.22/0.38  % (18335)Memory used [KB]: 5500
% 0.22/0.38  % (18335)Time elapsed: 0.003 s
% 0.22/0.38  % (18335)Instructions burned: 2 (million)
% 0.22/0.38  % (18335)------------------------------
% 0.22/0.38  % (18335)------------------------------
% 0.22/0.39  % (18338)Instruction limit reached!
% 0.22/0.39  % (18338)------------------------------
% 0.22/0.39  % (18338)Version: Vampire 4.8 (commit 11aac991b on 2023-10-04 16:26:07 +0200)
% 0.22/0.39  % (18338)Termination reason: Unknown
% 0.22/0.39  % (18338)Termination phase: Saturation
% 0.22/0.39  
% 0.22/0.39  % (18338)Memory used [KB]: 5628
% 0.22/0.39  % (18338)Time elapsed: 0.014 s
% 0.22/0.39  % (18338)Instructions burned: 19 (million)
% 0.22/0.39  % (18338)------------------------------
% 0.22/0.39  % (18338)------------------------------
% 0.22/0.39  % (18337)Refutation not found, incomplete strategy
% 0.22/0.39  % (18337)------------------------------
% 0.22/0.39  % (18337)Version: Vampire 4.8 (commit 11aac991b on 2023-10-04 16:26:07 +0200)
% 0.22/0.39  % (18337)Termination reason: Refutation not found, incomplete strategy
% 0.22/0.39  
% 0.22/0.39  
% 0.22/0.39  % (18337)Memory used [KB]: 5628
% 0.22/0.39  % (18337)Time elapsed: 0.019 s
% 0.22/0.39  % (18337)Instructions burned: 24 (million)
% 0.22/0.39  % (18337)------------------------------
% 0.22/0.39  % (18337)------------------------------
% 0.22/0.39  % (18341)lrs+2_16:1_acc=model:au=on:bd=off:c=on:e2e=on:nm=2:sos=all:i=15:si=on:rtra=on_0 on theBenchmark for (2999ds/15Mi)
% 0.22/0.39  % (18339)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.22/0.39  % (18340)lrs+1002_1:1_cnfonf=lazy_not_be_gen:hud=14:prag=on:sp=weighted_frequency:tnu=1:i=37:si=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.22/0.40  % (18339)Instruction limit reached!
% 0.22/0.40  % (18339)------------------------------
% 0.22/0.40  % (18339)Version: Vampire 4.8 (commit 11aac991b on 2023-10-04 16:26:07 +0200)
% 0.22/0.40  % (18339)Termination reason: Unknown
% 0.22/0.40  % (18339)Termination phase: Saturation
% 0.22/0.40  
% 0.22/0.40  % (18339)Memory used [KB]: 5500
% 0.22/0.40  % (18339)Time elapsed: 0.004 s
% 0.22/0.40  % (18339)Instructions burned: 3 (million)
% 0.22/0.40  % (18339)------------------------------
% 0.22/0.40  % (18339)------------------------------
% 0.22/0.40  % (18342)dis+21_1:1_cbe=off:cnfonf=off:fs=off:fsr=off:hud=1:inj=on:i=3:si=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.22/0.40  % (18341)First to succeed.
% 0.22/0.40  % (18342)Instruction limit reached!
% 0.22/0.40  % (18342)------------------------------
% 0.22/0.40  % (18342)Version: Vampire 4.8 (commit 11aac991b on 2023-10-04 16:26:07 +0200)
% 0.22/0.40  % (18342)Termination reason: Unknown
% 0.22/0.40  % (18342)Termination phase: Saturation
% 0.22/0.40  
% 0.22/0.40  % (18342)Memory used [KB]: 5500
% 0.22/0.40  % (18342)Time elapsed: 0.005 s
% 0.22/0.40  % (18342)Instructions burned: 4 (million)
% 0.22/0.40  % (18342)------------------------------
% 0.22/0.40  % (18342)------------------------------
% 0.22/0.40  % (18341)Refutation found. Thanks to Tanya!
% 0.22/0.40  % SZS status Theorem for theBenchmark
% 0.22/0.40  % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.40  % (18341)------------------------------
% 0.22/0.40  % (18341)Version: Vampire 4.8 (commit 11aac991b on 2023-10-04 16:26:07 +0200)
% 0.22/0.40  % (18341)Termination reason: Refutation
% 0.22/0.40  
% 0.22/0.40  % (18341)Memory used [KB]: 5628
% 0.22/0.40  % (18341)Time elapsed: 0.009 s
% 0.22/0.40  % (18341)Instructions burned: 7 (million)
% 0.22/0.40  % (18341)------------------------------
% 0.22/0.40  % (18341)------------------------------
% 0.22/0.40  % (18331)Success in time 0.047 s
%------------------------------------------------------------------------------