TSTP Solution File: SET918+1 by Beagle---0.9.51

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%------------------------------------------------------------------------------
% File     : Beagle---0.9.51
% Problem  : SET918+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Dfile.encoding=UTF-8 -Xms512M -Xmx4G -Xss10M -jar /export/starexec/sandbox/solver/bin/beagle.jar -auto -q -proof -print tff -smtsolver /export/starexec/sandbox/solver/bin/cvc4-1.4-x86_64-linux-opt -liasolver cooper -t %d %s

% Computer : n020.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 Aug 22 10:57:20 EDT 2023

% Result   : Theorem 3.39s 2.03s
% Output   : CNFRefutation 3.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   20
% Syntax   : Number of formulae    :   31 (   7 unt;  16 typ;   0 def)
%            Number of atoms       :   31 (  12 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   26 (  10   ~;   7   |;   3   &)
%                                         (   6 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   24 (  11   >;  13   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;   5 con; 0-3 aty)
%            Number of variables   :   22 (;  22   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
%$ in > empty > unordered_pair > set_intersection2 > #nlpp > singleton > #skF_11 > #skF_6 > #skF_4 > #skF_7 > #skF_10 > #skF_5 > #skF_9 > #skF_8 > #skF_3 > #skF_2 > #skF_1

%Foreground sorts:

%Background operators:

%Foreground operators:
tff(singleton,type,
    singleton: $i > $i ).

tff('#skF_11',type,
    '#skF_11': $i ).

tff('#skF_6',type,
    '#skF_6': ( $i * $i * $i ) > $i ).

tff(unordered_pair,type,
    unordered_pair: ( $i * $i ) > $i ).

tff('#skF_4',type,
    '#skF_4': ( $i * $i * $i ) > $i ).

tff('#skF_7',type,
    '#skF_7': $i ).

tff('#skF_10',type,
    '#skF_10': $i ).

tff(in,type,
    in: ( $i * $i ) > $o ).

tff('#skF_5',type,
    '#skF_5': ( $i * $i * $i ) > $i ).

tff(set_intersection2,type,
    set_intersection2: ( $i * $i ) > $i ).

tff(empty,type,
    empty: $i > $o ).

tff('#skF_9',type,
    '#skF_9': $i ).

tff('#skF_8',type,
    '#skF_8': $i ).

tff('#skF_3',type,
    '#skF_3': ( $i * $i * $i ) > $i ).

tff('#skF_2',type,
    '#skF_2': ( $i * $i ) > $i ).

tff('#skF_1',type,
    '#skF_1': ( $i * $i ) > $i ).

tff(f_76,negated_conjecture,
    ~ ! [A,B,C] :
        ~ ( ( set_intersection2(unordered_pair(A,B),C) = singleton(A) )
          & in(B,C)
          & ( A != B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t59_zfmisc_1) ).

tff(f_51,axiom,
    ! [A,B,C] :
      ( ( C = unordered_pair(A,B) )
    <=> ! [D] :
          ( in(D,C)
        <=> ( ( D = A )
            | ( D = B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_tarski) ).

tff(f_60,axiom,
    ! [A,B,C] :
      ( ( C = set_intersection2(A,B) )
    <=> ! [D] :
          ( in(D,C)
        <=> ( in(D,A)
            & in(D,B) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_xboole_0) ).

tff(f_42,axiom,
    ! [A,B] :
      ( ( B = singleton(A) )
    <=> ! [C] :
          ( in(C,B)
        <=> ( C = A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_tarski) ).

tff(c_62,plain,
    '#skF_10' != '#skF_9',
    inference(cnfTransformation,[status(thm)],[f_76]) ).

tff(c_64,plain,
    in('#skF_10','#skF_11'),
    inference(cnfTransformation,[status(thm)],[f_76]) ).

tff(c_22,plain,
    ! [D_17,A_12] : in(D_17,unordered_pair(A_12,D_17)),
    inference(cnfTransformation,[status(thm)],[f_51]) ).

tff(c_66,plain,
    set_intersection2(unordered_pair('#skF_9','#skF_10'),'#skF_11') = singleton('#skF_9'),
    inference(cnfTransformation,[status(thm)],[f_76]) ).

tff(c_356,plain,
    ! [D_64,A_65,B_66] :
      ( in(D_64,set_intersection2(A_65,B_66))
      | ~ in(D_64,B_66)
      | ~ in(D_64,A_65) ),
    inference(cnfTransformation,[status(thm)],[f_60]) ).

tff(c_489,plain,
    ! [D_76] :
      ( in(D_76,singleton('#skF_9'))
      | ~ in(D_76,'#skF_11')
      | ~ in(D_76,unordered_pair('#skF_9','#skF_10')) ),
    inference(superposition,[status(thm),theory(equality)],[c_66,c_356]) ).

tff(c_504,plain,
    ( in('#skF_10',singleton('#skF_9'))
    | ~ in('#skF_10','#skF_11') ),
    inference(resolution,[status(thm)],[c_22,c_489]) ).

tff(c_512,plain,
    in('#skF_10',singleton('#skF_9')),
    inference(demodulation,[status(thm),theory(equality)],[c_64,c_504]) ).

tff(c_8,plain,
    ! [C_11,A_7] :
      ( ( C_11 = A_7 )
      | ~ in(C_11,singleton(A_7)) ),
    inference(cnfTransformation,[status(thm)],[f_42]) ).

tff(c_541,plain,
    '#skF_10' = '#skF_9',
    inference(resolution,[status(thm)],[c_512,c_8]) ).

tff(c_548,plain,
    $false,
    inference(negUnitSimplification,[status(thm)],[c_62,c_541]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.14  % Problem  : SET918+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.15  % Command  : java -Dfile.encoding=UTF-8 -Xms512M -Xmx4G -Xss10M -jar /export/starexec/sandbox/solver/bin/beagle.jar -auto -q -proof -print tff -smtsolver /export/starexec/sandbox/solver/bin/cvc4-1.4-x86_64-linux-opt -liasolver cooper -t %d %s
% 0.14/0.37  % Computer : n020.cluster.edu
% 0.14/0.37  % Model    : x86_64 x86_64
% 0.14/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.37  % Memory   : 8042.1875MB
% 0.14/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.37  % CPULimit : 300
% 0.14/0.37  % WCLimit  : 300
% 0.14/0.37  % DateTime : Thu Aug  3 16:47:07 EDT 2023
% 0.14/0.37  % CPUTime  : 
% 3.39/2.03  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 3.39/2.03  
% 3.39/2.03  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 3.39/2.06  
% 3.39/2.06  Inference rules
% 3.39/2.06  ----------------------
% 3.39/2.06  #Ref     : 0
% 3.39/2.06  #Sup     : 116
% 3.39/2.06  #Fact    : 0
% 3.39/2.06  #Define  : 0
% 3.39/2.06  #Split   : 0
% 3.39/2.06  #Chain   : 0
% 3.39/2.06  #Close   : 0
% 3.39/2.06  
% 3.39/2.06  Ordering : KBO
% 3.39/2.06  
% 3.39/2.06  Simplification rules
% 3.39/2.06  ----------------------
% 3.39/2.06  #Subsume      : 27
% 3.39/2.06  #Demod        : 11
% 3.39/2.06  #Tautology    : 42
% 3.39/2.06  #SimpNegUnit  : 1
% 3.39/2.06  #BackRed      : 0
% 3.39/2.06  
% 3.39/2.06  #Partial instantiations: 0
% 3.39/2.06  #Strategies tried      : 1
% 3.39/2.06  
% 3.39/2.06  Timing (in seconds)
% 3.39/2.06  ----------------------
% 3.39/2.06  Preprocessing        : 0.51
% 3.39/2.06  Parsing              : 0.25
% 3.39/2.06  CNF conversion       : 0.04
% 3.39/2.06  Main loop            : 0.39
% 3.39/2.06  Inferencing          : 0.13
% 3.39/2.06  Reduction            : 0.12
% 3.39/2.06  Demodulation         : 0.09
% 3.39/2.06  BG Simplification    : 0.02
% 3.39/2.06  Subsumption          : 0.09
% 3.39/2.06  Abstraction          : 0.02
% 3.39/2.06  MUC search           : 0.00
% 3.39/2.06  Cooper               : 0.00
% 3.39/2.06  Total                : 0.95
% 3.39/2.06  Index Insertion      : 0.00
% 3.39/2.06  Index Deletion       : 0.00
% 3.39/2.06  Index Matching       : 0.00
% 3.39/2.06  BG Taut test         : 0.00
%------------------------------------------------------------------------------