TSTP Solution File: ITP209^4 by Leo-III---1.7.10

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.10
% Problem  : ITP209^4 : TPTP v8.1.2. Released v8.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n002.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  7 07:48:53 EDT 2024

% Result   : Theorem 6.28s 2.73s
% Output   : Refutation 6.45s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   21
% Syntax   : Number of formulae    :   36 (  18 unt;   8 typ;   0 def)
%            Number of atoms       :   54 (  31 equ;   0 cnn)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :  218 (   2   ~;   0   |;   2   &; 202   @)
%                                         (   0 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :   33 (  33   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   10 (   7 usr;   5 con; 0-4 aty)
%            Number of variables   :  103 (  10   ^  88   !;   0   ?; 103   :)
%                                         (   5  !>;   0  ?*;   0  @-;   0  @+)

% Comments : 
%------------------------------------------------------------------------------
thf(a_type,type,
    a: $tType ).

thf(syntax_ac_operator_type,type,
    syntax_ac_operator: 
      !>[TA: $tType] : ( ( TA > TA > TA ) > $o ) ).

thf(syntax7388354845996824322omatch_type,type,
    syntax7388354845996824322omatch: 
      !>[TA: $tType,TB: $tType] : ( TB > TA > $o ) ).

thf(syntax2379306206330768139omatch_type,type,
    syntax2379306206330768139omatch: 
      !>[TA: $tType,TB: $tType] : ( TB > TA > $o ) ).

thf(a2_type,type,
    a2: a ).

thf(b_type,type,
    b: a ).

thf(c_type,type,
    c: a ).

thf(f_type,type,
    f: a > a > a ).

thf(7,axiom,
    ! [TA: $tType,TB: $tType] :
      ( ( syntax2379306206330768139omatch @ TA @ TB )
      = ( ^ [A: TA,B: TB] : $true ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_4_syntax__nomatch__def) ).

thf(27,plain,
    ! [TA: $tType,TB: $tType] :
      ( ( syntax2379306206330768139omatch @ TA @ TB )
      = ( ^ [A: TA,B: TB] : $true ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(11,axiom,
    ! [TA: $tType,A: TA > TA > TA,B: TA,C: TA,D: TA] :
      ( ( syntax_ac_operator @ TA @ A )
     => ( ( A @ B @ ( A @ C @ D ) )
        = ( A @ ( A @ B @ C ) @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_8_ac__operator_Oleft__assoc) ).

thf(39,plain,
    ! [TA: $tType,A: TA > TA > TA,B: TA,C: TA,D: TA] :
      ( ( syntax_ac_operator @ TA @ A )
     => ( ( A @ B @ ( A @ C @ D ) )
        = ( A @ ( A @ B @ C ) @ D ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(1,conjecture,
    ( ( f @ ( f @ a2 @ b ) @ c )
    = ( f @ ( f @ a2 @ c ) @ b ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',conj_0) ).

thf(2,negated_conjecture,
    ( ( f @ ( f @ a2 @ b ) @ c )
   != ( f @ ( f @ a2 @ c ) @ b ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(15,plain,
    ( ( f @ ( f @ a2 @ b ) @ c )
   != ( f @ ( f @ a2 @ c ) @ b ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(12,axiom,
    ! [TA: $tType,A: TA > TA > TA,B: TA,C: TA,D: TA] :
      ( ( syntax_ac_operator @ TA @ A )
     => ( ( A @ ( A @ B @ C ) @ D )
        = ( A @ B @ ( A @ C @ D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_9_ac__operator_Oright__assoc) ).

thf(42,plain,
    ! [TA: $tType,A: TA > TA > TA,B: TA,C: TA,D: TA] :
      ( ( syntax_ac_operator @ TA @ A )
     => ( ( A @ ( A @ B @ C ) @ D )
        = ( A @ B @ ( A @ C @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(6,axiom,
    ! [A: a,B: a,C: a] :
      ( ( f @ ( f @ A @ B ) @ C )
      = ( f @ A @ ( f @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_3_right__assoc) ).

thf(24,plain,
    ! [A: a,B: a,C: a] :
      ( ( f @ ( f @ A @ B ) @ C )
      = ( f @ A @ ( f @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(5,axiom,
    ! [A: a,B: a,C: a] :
      ( ( f @ A @ ( f @ B @ C ) )
      = ( f @ B @ ( f @ A @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_2_left__commute) ).

thf(21,plain,
    ! [A: a,B: a,C: a] :
      ( ( f @ A @ ( f @ B @ C ) )
      = ( f @ B @ ( f @ A @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(9,axiom,
    ! [TA: $tType,A: TA > TA > TA] :
      ( ! [B: TA,C: TA,D: TA] :
          ( ( A @ ( A @ B @ C ) @ D )
          = ( A @ B @ ( A @ C @ D ) ) )
     => ( ! [B: TA,C: TA] :
            ( ( A @ B @ C )
            = ( A @ C @ B ) )
       => ( syntax_ac_operator @ TA @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_6_ac__operator_Ointro) ).

thf(33,plain,
    ! [TA: $tType,A: TA > TA > TA] :
      ( ! [B: TA,C: TA,D: TA] :
          ( ( A @ ( A @ B @ C ) @ D )
          = ( A @ B @ ( A @ C @ D ) ) )
     => ( ! [B: TA,C: TA] :
            ( ( A @ B @ C )
            = ( A @ C @ B ) )
       => ( syntax_ac_operator @ TA @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(13,axiom,
    ! [TA: $tType,A: TA > TA > TA,B: TA,C: TA,D: TA] :
      ( ( syntax_ac_operator @ TA @ A )
     => ( ( A @ B @ ( A @ C @ D ) )
        = ( A @ C @ ( A @ B @ D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_10_ac__operator_Oleft__commute) ).

thf(45,plain,
    ! [TA: $tType,A: TA > TA > TA,B: TA,C: TA,D: TA] :
      ( ( syntax_ac_operator @ TA @ A )
     => ( ( A @ B @ ( A @ C @ D ) )
        = ( A @ C @ ( A @ B @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(3,axiom,
    syntax_ac_operator @ a @ f,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_0_ac__operator__axioms) ).

thf(17,plain,
    syntax_ac_operator @ a @ f,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(14,axiom,
    ! [TA: $tType] :
      ( ( syntax_ac_operator @ TA )
      = ( ^ [A: TA > TA > TA] :
            ( ! [B: TA,C: TA,D: TA] :
                ( ( A @ ( A @ B @ C ) @ D )
                = ( A @ B @ ( A @ C @ D ) ) )
            & ! [B: TA,C: TA] :
                ( ( A @ B @ C )
                = ( A @ C @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_11_ac__operator__def) ).

thf(48,plain,
    ! [TA: $tType] :
      ( ( syntax_ac_operator @ TA )
      = ( ^ [A: TA > TA > TA] :
            ( ! [B: TA,C: TA,D: TA] :
                ( ( A @ ( A @ B @ C ) @ D )
                = ( A @ B @ ( A @ C @ D ) ) )
            & ! [B: TA,C: TA] :
                ( ( A @ B @ C )
                = ( A @ C @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(4,axiom,
    ! [A: a,B: a] :
      ( ( f @ A @ B )
      = ( f @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_1_commute) ).

thf(18,plain,
    ! [A: a,B: a] :
      ( ( f @ A @ B )
      = ( f @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(10,axiom,
    ! [TA: $tType,A: TA > TA > TA,B: TA,C: TA] :
      ( ( syntax_ac_operator @ TA @ A )
     => ( ( A @ B @ C )
        = ( A @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_7_ac__operator_Ocommute) ).

thf(36,plain,
    ! [TA: $tType,A: TA > TA > TA,B: TA,C: TA] :
      ( ( syntax_ac_operator @ TA @ A )
     => ( ( A @ B @ C )
        = ( A @ C @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(8,axiom,
    ! [TA: $tType,TB: $tType] :
      ( ( syntax7388354845996824322omatch @ TA @ TB )
      = ( ^ [A: TA,B: TB] : $true ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_5_syntax__fo__nomatch__def) ).

thf(30,plain,
    ! [TA: $tType,TB: $tType] :
      ( ( syntax7388354845996824322omatch @ TA @ TB )
      = ( ^ [A: TA,B: TB] : $true ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(51,plain,
    $false,
    inference(e,[status(thm)],[27,39,15,42,24,21,33,45,17,48,18,36,30]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : ITP209^4 : TPTP v8.1.2. Released v8.0.0.
% 0.07/0.15  % Command  : run_Leo-III %s %d
% 0.16/0.35  % Computer : n002.cluster.edu
% 0.16/0.35  % Model    : x86_64 x86_64
% 0.16/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.35  % Memory   : 8042.1875MB
% 0.16/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.35  % CPULimit : 300
% 0.16/0.35  % WCLimit  : 300
% 0.16/0.35  % DateTime : Mon May  6 14:21:24 EDT 2024
% 0.16/0.36  % CPUTime  : 
% 0.97/0.86  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.37/1.01  % [INFO] 	 Parsing done (141ms). 
% 1.37/1.01  % [INFO] 	 Running in sequential loop mode. 
% 1.66/1.23  % [INFO] 	 eprover registered as external prover. 
% 1.66/1.23  % [INFO] 	 cvc4 registered as external prover. 
% 1.84/1.24  % [INFO] 	 Scanning for conjecture ... 
% 1.94/1.29  % [INFO] 	 Found a conjecture and 12 axioms. Running axiom selection ... 
% 1.94/1.31  % [INFO] 	 Axiom selection finished. Selected 12 axioms (removed 0 axioms). 
% 2.14/1.35  % [INFO] 	 Problem is higher-order (TPTP THF). 
% 2.14/1.36  % [INFO] 	 Type checking passed. 
% 2.19/1.36  % [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 ... 
% 6.28/2.73  % External prover 'e' found a proof!
% 6.28/2.73  % [INFO] 	 Killing All external provers ... 
% 6.28/2.73  % Time passed: 2207ms (effective reasoning time: 1711ms)
% 6.28/2.73  % 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)>
% 6.28/2.73  % Axioms used in derivation (12): fact_9_ac__operator_Oright__assoc, fact_2_left__commute, fact_10_ac__operator_Oleft__commute, fact_0_ac__operator__axioms, fact_3_right__assoc, fact_4_syntax__nomatch__def, fact_6_ac__operator_Ointro, fact_8_ac__operator_Oleft__assoc, fact_5_syntax__fo__nomatch__def, fact_7_ac__operator_Ocommute, fact_1_commute, fact_11_ac__operator__def
% 6.28/2.73  % No. of inferences in proof: 28
% 6.28/2.73  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2207 ms resp. 1711 ms w/o parsing
% 6.45/2.78  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 6.45/2.78  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------