TSTP Solution File: SEU159+1 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SEU159+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n024.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 : Fri May 19 11:57:17 EDT 2023

% Result   : Theorem 3.21s 1.70s
% Output   : Refutation 3.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   19 (   7 unt;   3 typ;   0 def)
%            Number of atoms       :   50 (  15 equ;   0 cnn)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :  124 (   4   ~;   5   |;   9   &;  86   @)
%                                         (   5 <=>;  15  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    6 (   6   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    6 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   36 (   0   ^;  36   !;   0   ?;  36   :)

% Comments : 
%------------------------------------------------------------------------------
thf(subset_type,type,
    subset: $i > $i > $o ).

thf(unordered_pair_type,type,
    unordered_pair: $i > $i > $i ).

thf(in_type,type,
    in: $i > $i > $o ).

thf(5,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( unordered_pair @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( D = A )
            | ( D = B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_tarski) ).

thf(21,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C
          = ( unordered_pair @ A @ B ) )
       => ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( D = A )
                | ( D = B ) ) )
            & ( ( ( D = A )
                | ( D = B ) )
             => ( in @ D @ C ) ) ) )
      & ( ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( D = A )
                | ( D = B ) ) )
            & ( ( ( D = A )
                | ( D = B ) )
             => ( in @ D @ C ) ) )
       => ( C
          = ( unordered_pair @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(1,conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ ( unordered_pair @ A @ B ) @ C )
    <=> ( ( in @ A @ C )
        & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t38_zfmisc_1) ).

thf(2,negated_conjecture,
    ~ ! [A: $i,B: $i,C: $i] :
        ( ( subset @ ( unordered_pair @ A @ B ) @ C )
      <=> ( ( in @ A @ C )
          & ( in @ B @ C ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(9,plain,
    ~ ! [A: $i,B: $i,C: $i] :
        ( ( ( subset @ ( unordered_pair @ A @ B ) @ C )
         => ( ( in @ A @ C )
            & ( in @ B @ C ) ) )
        & ( ( ( in @ A @ C )
            & ( in @ B @ C ) )
         => ( subset @ ( unordered_pair @ A @ B ) @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(7,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_tarski) ).

thf(54,plain,
    $true,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ( ( unordered_pair @ A @ B )
      = ( unordered_pair @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

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

thf(3,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(16,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(8,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(55,plain,
    ! [A: $i] : ( subset @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(6,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

thf(47,plain,
    ! [A: $i,B: $i] :
      ( ( ( subset @ A @ B )
       => ! [C: $i] :
            ( ( in @ C @ A )
           => ( in @ C @ B ) ) )
      & ( ! [C: $i] :
            ( ( in @ C @ A )
           => ( in @ C @ B ) )
       => ( subset @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(65,plain,
    $false,
    inference(cvc4,[status(thm)],[21,9,54,18,16,55,47]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.12  % Problem  : SEU159+1 : TPTP v8.1.2. Released v3.3.0.
% 0.09/0.15  % Command  : run_Leo-III %s %d
% 0.14/0.36  % Computer : n024.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % WCLimit  : 300
% 0.14/0.36  % DateTime : Thu May 18 12:32:23 EDT 2023
% 0.14/0.36  % CPUTime  : 
% 0.89/0.83  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.22/0.94  % [INFO] 	 Parsing done (107ms). 
% 1.22/0.95  % [INFO] 	 Running in sequential loop mode. 
% 1.52/1.14  % [INFO] 	 eprover registered as external prover. 
% 1.52/1.15  % [INFO] 	 cvc4 registered as external prover. 
% 1.52/1.15  % [INFO] 	 Scanning for conjecture ... 
% 1.77/1.20  % [INFO] 	 Found a conjecture and 6 axioms. Running axiom selection ... 
% 1.85/1.22  % [INFO] 	 Axiom selection finished. Selected 6 axioms (removed 0 axioms). 
% 1.88/1.23  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 1.88/1.24  % [INFO] 	 Type checking passed. 
% 1.88/1.24  % [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 ... 
% 2.86/1.70  % External prover 'cvc4' found a proof!
% 2.86/1.70  % [INFO] 	 Killing All external provers ... 
% 3.21/1.70  % Time passed: 1185ms (effective reasoning time: 746ms)
% 3.21/1.70  % 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)>
% 3.21/1.70  % Axioms used in derivation (6): d2_tarski, dt_k2_tarski, commutativity_k2_tarski, antisymmetry_r2_hidden, d3_tarski, reflexivity_r1_tarski
% 3.21/1.70  % No. of inferences in proof: 16
% 3.21/1.70  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1185 ms resp. 746 ms w/o parsing
% 3.21/1.73  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 3.21/1.73  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------