TSTP Solution File: SYO239^5 by Leo-III-SAT---1.7.12

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%------------------------------------------------------------------------------
% File     : Leo-III-SAT---1.7.12
% Problem  : SYO239^5 : TPTP v8.2.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n021.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 : Tue May 21 08:59:41 EDT 2024

% Result   : Theorem 17.99s 4.39s
% Output   : Refutation 17.99s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   21 (   7 unt;   4 typ;   0 def)
%            Number of atoms       :   61 (  60 equ;   0 cnn)
%            Maximal formula atoms :    3 (   3 avg)
%            Number of connectives :  240 (  35   ~;   9   |;   0   &; 193   @)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   24 (  24   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    6 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   91 (  32   ^  26   !;  33   ?;  91   :)

% Comments : 
%------------------------------------------------------------------------------
thf(s_type,type,
    s: $i > $i ).

thf(c2_type,type,
    c2: $i ).

thf(c_star_type,type,
    c_star: $i > $i > $i ).

thf(sk1_type,type,
    sk1: ( $i > $o ) > $i ).

thf(1,conjecture,
    ( ! [A: $i] :
        ( ( ? [B: $i] :
              ( A
              = ( c_star @ c2 @ B ) ) )
        = ( ~ ? [B: $i] :
                ( ( s @ A )
                = ( c_star @ c2 @ B ) ) ) )
   => ? [A: $i > $o] :
      ! [B: $i] :
        ( ( A @ B )
        = ( ~ ( A @ ( s @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cBLEDSOE_FENG_SV_EO1_W_LEM) ).

thf(2,negated_conjecture,
    ~ ( ! [A: $i] :
          ( ( ? [B: $i] :
                ( A
                = ( c_star @ c2 @ B ) ) )
          = ( ~ ? [B: $i] :
                  ( ( s @ A )
                  = ( c_star @ c2 @ B ) ) ) )
     => ? [A: $i > $o] :
        ! [B: $i] :
          ( ( A @ B )
          = ( ~ ( A @ ( s @ B ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(3,plain,
    ~ ( ! [A: $i] :
          ( ( ? [B: $i] :
                ( A
                = ( c_star @ c2 @ B ) ) )
          = ( ~ ? [B: $i] :
                  ( ( s @ A )
                  = ( c_star @ c2 @ B ) ) ) )
     => ? [A: $i > $o] :
        ! [B: $i] :
          ( ( A @ B )
          = ( ~ ( A @ ( s @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(5,plain,
    ! [A: $i] :
      ( ( ? [B: $i] :
            ( A
            = ( c_star @ c2 @ B ) ) )
      = ( ~ ? [B: $i] :
              ( ( s @ A )
              = ( c_star @ c2 @ B ) ) ) ),
    inference(cnf,[status(esa)],[3]) ).

thf(8,plain,
    ! [A: $i] :
      ( ( ? [B: $i] :
            ( A
            = ( c_star @ c2 @ B ) ) )
      = ( ~ ? [B: $i] :
              ( ( s @ A )
              = ( c_star @ c2 @ B ) ) ) ),
    inference(lifteq,[status(thm)],[5]) ).

thf(4,plain,
    ! [A: $i > $o] :
      ( ( A @ ( sk1 @ A ) )
     != ( ~ ( A @ ( s @ ( sk1 @ A ) ) ) ) ),
    inference(cnf,[status(esa)],[3]) ).

thf(6,plain,
    ! [A: $i > $o] :
      ( ( ~ ( A @ ( s @ ( sk1 @ A ) ) ) )
     != ( A @ ( sk1 @ A ) ) ),
    inference(lifteq,[status(thm)],[4]) ).

thf(7,plain,
    ! [A: $i > $o] :
      ( ( ~ ( A @ ( s @ ( sk1 @ A ) ) ) )
     != ( A @ ( sk1 @ A ) ) ),
    inference(simp,[status(thm)],[6]) ).

thf(17,plain,
    ! [B: $i > $o,A: $i] :
      ( ( ( ? [C: $i] :
              ( A
              = ( c_star @ c2 @ C ) ) )
       != ( B @ ( sk1 @ B ) ) )
      | ( ( ~ ? [C: $i] :
                ( ( s @ A )
                = ( c_star @ c2 @ C ) ) )
       != ( ~ ( B @ ( s @ ( sk1 @ B ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[8,7]) ).

thf(20,plain,
    ! [B: $i > $i > $i,A: $i] :
      ( ( ( ? [C: $i] :
              ( A
              = ( c_star @ c2 @ C ) ) )
       != ( ? [C: $i] :
              ( ( s
                @ ( B
                  @ ( sk1
                    @ ^ [D: $i] :
                      ? [E: $i] :
                        ( ( s @ ( B @ D @ E ) )
                        = ( c_star @ c2 @ E ) ) )
                  @ C ) )
              = ( c_star @ c2 @ C ) ) ) )
      | ( ( ^ [C: $i] : A )
       != ( B
          @ ( s
            @ ( sk1
              @ ^ [C: $i] :
                ? [D: $i] :
                  ( ( s @ ( B @ C @ D ) )
                  = ( c_star @ c2 @ D ) ) ) ) ) ) ),
    inference(pre_uni,[status(thm)],[17:[bind(A,$thf( A )),bind(B,$thf( ^ [D: $i] : ? [E: $i] : ( ( s @ ( H @ D @ E ) ) = ( c_star @ c2 @ E ) ) ))]]) ).

thf(24,plain,
    ! [B: $i > $i > $i,A: $i] :
      ( ( ( ? [C: $i] :
              ( A
              = ( c_star @ c2 @ C ) ) )
       != ( ? [C: $i] :
              ( ( s
                @ ( B
                  @ ( sk1
                    @ ^ [D: $i] :
                      ? [E: $i] :
                        ( ( s @ ( B @ D @ E ) )
                        = ( c_star @ c2 @ E ) ) )
                  @ C ) )
              = ( c_star @ c2 @ C ) ) ) )
      | ( ( ^ [C: $i] : A )
       != ( B
          @ ( s
            @ ( sk1
              @ ^ [C: $i] :
                ? [D: $i] :
                  ( ( s @ ( B @ C @ D ) )
                  = ( c_star @ c2 @ D ) ) ) ) ) ) ),
    inference(simp,[status(thm)],[20]) ).

thf(51,plain,
    ! [B: $i > $i > $i,A: $i] :
      ( ( ( ^ [C: $i] :
              ( A
              = ( c_star @ c2 @ C ) ) )
       != ( ^ [C: $i] :
              ( ( s
                @ ( B
                  @ ( sk1
                    @ ^ [D: $i] :
                      ? [E: $i] :
                        ( ( s @ ( B @ D @ E ) )
                        = ( c_star @ c2 @ E ) ) )
                  @ C ) )
              = ( c_star @ c2 @ C ) ) ) )
      | ( ( ^ [C: $i] : A )
       != ( B
          @ ( s
            @ ( sk1
              @ ^ [C: $i] :
                ? [D: $i] :
                  ( ( s @ ( B @ C @ D ) )
                  = ( c_star @ c2 @ D ) ) ) ) ) ) ),
    inference(simp,[status(thm)],[24]) ).

thf(72,plain,
    ! [B: $i > $i > $i,A: $i] :
      ( ( ( ^ [C: $i] : A )
       != ( ^ [C: $i] :
              ( s
              @ ( B
                @ ( sk1
                  @ ^ [D: $i] :
                    ? [E: $i] :
                      ( ( s @ ( B @ D @ E ) )
                      = ( c_star @ c2 @ E ) ) )
                @ C ) ) ) )
      | ( ( c_star @ c2 )
       != ( c_star @ c2 ) )
      | ( ( ^ [C: $i] : A )
       != ( B
          @ ( s
            @ ( sk1
              @ ^ [C: $i] :
                ? [D: $i] :
                  ( ( s @ ( B @ C @ D ) )
                  = ( c_star @ c2 @ D ) ) ) ) ) ) ),
    inference(simp,[status(thm)],[51]) ).

thf(74,plain,
    ! [B: $i > $i > $i,A: $i] :
      ( ( ( ^ [C: $i] : A )
       != ( ^ [C: $i] :
              ( s
              @ ( B
                @ ( sk1
                  @ ^ [D: $i] :
                    ? [E: $i] :
                      ( ( s @ ( B @ D @ E ) )
                      = ( c_star @ c2 @ E ) ) )
                @ C ) ) ) )
      | ( ( ^ [C: $i] : A )
       != ( B
          @ ( s
            @ ( sk1
              @ ^ [C: $i] :
                ? [D: $i] :
                  ( ( s @ ( B @ C @ D ) )
                  = ( c_star @ c2 @ D ) ) ) ) ) ) ),
    inference(simp,[status(thm)],[72]) ).

thf(684,plain,
    ! [B: $i > $i > $i,A: $i] :
      ( ( ( ^ [C: $i] : A )
       != ( ^ [C: $i] :
              ( s
              @ ( B
                @ ( sk1
                  @ ^ [D: $i] :
                    ? [E: $i] :
                      ( ( s @ ( B @ D @ E ) )
                      = ( c_star @ c2 @ E ) ) )
                @ C ) ) ) )
      | ( ( ^ [C: $i] : A )
       != ( ^ [C: $i] : A ) )
      | ( ( B
          @ ( s
            @ ( sk1
              @ ^ [C: $i] :
                ? [D: $i] :
                  ( ( s @ ( B @ C @ D ) )
                  = ( c_star @ c2 @ D ) ) ) ) )
       != ( ^ [C: $i] :
              ( s
              @ ( B
                @ ( sk1
                  @ ^ [D: $i] :
                    ? [E: $i] :
                      ( ( s @ ( B @ D @ E ) )
                      = ( c_star @ c2 @ E ) ) )
                @ C ) ) ) ) ),
    inference(eqfactor_ordered,[status(thm)],[74]) ).

thf(688,plain,
    ! [A: $i] :
      ( ( ^ [B: $i] : A )
     != ( ^ [B: $i] :
            ( s
            @ ( s
              @ ( s
                @ ( sk1
                  @ ^ [C: $i] :
                    ? [D: $i] :
                      ( ( s @ ( s @ ( s @ C ) ) )
                      = ( c_star @ c2 @ D ) ) ) ) ) ) ) ),
    inference(pre_uni,[status(thm)],[684:[bind(A,$thf( A )),bind(B,$thf( ^ [C: $i] : ^ [D: $i] : ( s @ ( s @ C ) ) ))]]) ).

thf(692,plain,
    $false,
    inference(pattern_uni,[status(thm)],[688:[bind(A,$thf( s @ ( s @ ( s @ ( sk1 @ ^ [B: $i] : ? [C: $i] : ( ( s @ ( s @ ( s @ B ) ) ) = ( c_star @ c2 @ C ) ) ) ) ) ))]]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.10  % Problem  : SYO239^5 : TPTP v8.2.0. Released v4.0.0.
% 0.02/0.12  % Command  : run_Leo-III %s %d
% 0.11/0.33  % Computer : n021.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 300
% 0.11/0.33  % DateTime : Mon May 20 08:56:39 EDT 2024
% 0.11/0.33  % CPUTime  : 
% 1.01/0.93  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.31/1.09  % [INFO] 	 Parsing done (159ms). 
% 1.31/1.11  % [INFO] 	 Running in sequential loop mode. 
% 1.87/1.47  % [INFO] 	 nitpick registered as external prover. 
% 1.87/1.48  % [INFO] 	 Scanning for conjecture ... 
% 2.03/1.57  % [INFO] 	 Found a conjecture (or negated_conjecture) and 0 axioms. Running axiom selection ... 
% 2.03/1.60  % [INFO] 	 Axiom selection finished. Selected 0 axioms (removed 0 axioms). 
% 2.03/1.60  % [INFO] 	 Problem is higher-order (TPTP THF). 
% 2.03/1.61  % [INFO] 	 Type checking passed. 
% 2.03/1.61  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 17.99/4.38  % [INFO] 	 Killing All external provers ... 
% 17.99/4.39  % Time passed: 3920ms (effective reasoning time: 3271ms)
% 17.99/4.39  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 17.99/4.39  % Axioms used in derivation (0): 
% 17.99/4.39  % No. of inferences in proof: 17
% 17.99/4.39  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 3920 ms resp. 3271 ms w/o parsing
% 17.99/4.45  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 17.99/4.45  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------