TSTP Solution File: SET960+1 by Beagle---0.9.51

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Beagle---0.9.51
% Problem  : SET960+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/sandbox2/solver/bin/beagle.jar -auto -q -proof -print tff -smtsolver /export/starexec/sandbox2/solver/bin/cvc4-1.4-x86_64-linux-opt -liasolver cooper -t %d %s

% 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 Aug 22 10:57:25 EDT 2023

% Result   : Theorem 4.27s 2.18s
% Output   : CNFRefutation 4.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   23
% Syntax   : Number of formulae    :  129 (  72 unt;  20 typ;   0 def)
%            Number of atoms       :  158 (  79 equ)
%            Maximal formula atoms :    5 (   1 avg)
%            Number of connectives :  115 (  66   ~;  43   |;   2   &)
%                                         (   4 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   31 (  13   >;  18   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   18 (  18 usr;   7 con; 0-4 aty)
%            Number of variables   :   90 (;  88   !;   2   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
%$ in > empty > unordered_pair > ordered_pair > cartesian_product2 > #nlpp > singleton > empty_set > #skF_11 > #skF_1 > #skF_4 > #skF_10 > #skF_13 > #skF_5 > #skF_2 > #skF_7 > #skF_6 > #skF_9 > #skF_8 > #skF_3 > #skF_12

%Foreground sorts:

%Background operators:

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

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

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

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

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

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

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

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

tff('#skF_13',type,
    '#skF_13': $i ).

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

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

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

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

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

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

tff(empty_set,type,
    empty_set: $i ).

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

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

tff(cartesian_product2,type,
    cartesian_product2: ( $i * $i ) > $i ).

tff('#skF_12',type,
    '#skF_12': $i ).

tff(f_39,axiom,
    ! [A] :
      ( ( A = empty_set )
    <=> ! [B] : ~ in(B,A) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

tff(f_69,negated_conjecture,
    ~ ! [A,B] :
        ( ( cartesian_product2(A,B) = empty_set )
      <=> ( ( A = empty_set )
          | ( B = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t113_zfmisc_1) ).

tff(f_51,axiom,
    ! [A,B,C] :
      ( ( C = cartesian_product2(A,B) )
    <=> ! [D] :
          ( in(D,C)
        <=> ? [E,F] :
              ( in(E,A)
              & in(F,B)
              & ( D = ordered_pair(E,F) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_zfmisc_1) ).

tff(c_8,plain,
    ! [A_5] :
      ( ( empty_set = A_5 )
      | in('#skF_1'(A_5),A_5) ),
    inference(cnfTransformation,[status(thm)],[f_39]) ).

tff(c_6,plain,
    ! [B_8] : ~ in(B_8,empty_set),
    inference(cnfTransformation,[status(thm)],[f_39]) ).

tff(c_44,plain,
    ( ( cartesian_product2('#skF_10','#skF_11') != empty_set )
    | ( empty_set != '#skF_13' ) ),
    inference(cnfTransformation,[status(thm)],[f_69]) ).

tff(c_58,plain,
    empty_set != '#skF_13',
    inference(splitLeft,[status(thm)],[c_44]) ).

tff(c_48,plain,
    ( ( cartesian_product2('#skF_10','#skF_11') != empty_set )
    | ( empty_set != '#skF_12' ) ),
    inference(cnfTransformation,[status(thm)],[f_69]) ).

tff(c_57,plain,
    empty_set != '#skF_12',
    inference(splitLeft,[status(thm)],[c_48]) ).

tff(c_54,plain,
    ( ( empty_set = '#skF_11' )
    | ( empty_set = '#skF_10' )
    | ( cartesian_product2('#skF_12','#skF_13') = empty_set ) ),
    inference(cnfTransformation,[status(thm)],[f_69]) ).

tff(c_105,plain,
    cartesian_product2('#skF_12','#skF_13') = empty_set,
    inference(splitLeft,[status(thm)],[c_54]) ).

tff(c_230,plain,
    ! [E_62,F_63,A_64,B_65] :
      ( in(ordered_pair(E_62,F_63),cartesian_product2(A_64,B_65))
      | ~ in(F_63,B_65)
      | ~ in(E_62,A_64) ),
    inference(cnfTransformation,[status(thm)],[f_51]) ).

tff(c_235,plain,
    ! [E_62,F_63] :
      ( in(ordered_pair(E_62,F_63),empty_set)
      | ~ in(F_63,'#skF_13')
      | ~ in(E_62,'#skF_12') ),
    inference(superposition,[status(thm),theory(equality)],[c_105,c_230]) ).

tff(c_237,plain,
    ! [F_63,E_62] :
      ( ~ in(F_63,'#skF_13')
      | ~ in(E_62,'#skF_12') ),
    inference(negUnitSimplification,[status(thm)],[c_6,c_235]) ).

tff(c_239,plain,
    ! [E_66] : ~ in(E_66,'#skF_12'),
    inference(splitLeft,[status(thm)],[c_237]) ).

tff(c_243,plain,
    empty_set = '#skF_12',
    inference(resolution,[status(thm)],[c_8,c_239]) ).

tff(c_247,plain,
    $false,
    inference(negUnitSimplification,[status(thm)],[c_57,c_243]) ).

tff(c_249,plain,
    ! [F_67] : ~ in(F_67,'#skF_13'),
    inference(splitRight,[status(thm)],[c_237]) ).

tff(c_253,plain,
    empty_set = '#skF_13',
    inference(resolution,[status(thm)],[c_8,c_249]) ).

tff(c_257,plain,
    $false,
    inference(negUnitSimplification,[status(thm)],[c_58,c_253]) ).

tff(c_258,plain,
    ( ( empty_set = '#skF_10' )
    | ( empty_set = '#skF_11' ) ),
    inference(splitRight,[status(thm)],[c_54]) ).

tff(c_260,plain,
    empty_set = '#skF_11',
    inference(splitLeft,[status(thm)],[c_258]) ).

tff(c_263,plain,
    ! [A_5] :
      ( ( A_5 = '#skF_11' )
      | in('#skF_1'(A_5),A_5) ),
    inference(demodulation,[status(thm),theory(equality)],[c_260,c_8]) ).

tff(c_506,plain,
    ! [A_89,B_90,D_91] :
      ( in('#skF_7'(A_89,B_90,cartesian_product2(A_89,B_90),D_91),B_90)
      | ~ in(D_91,cartesian_product2(A_89,B_90)) ),
    inference(cnfTransformation,[status(thm)],[f_51]) ).

tff(c_266,plain,
    ! [B_8] : ~ in(B_8,'#skF_11'),
    inference(demodulation,[status(thm),theory(equality)],[c_260,c_6]) ).

tff(c_519,plain,
    ! [D_92,A_93] : ~ in(D_92,cartesian_product2(A_93,'#skF_11')),
    inference(resolution,[status(thm)],[c_506,c_266]) ).

tff(c_542,plain,
    ! [A_93] : ( cartesian_product2(A_93,'#skF_11') = '#skF_11' ),
    inference(resolution,[status(thm)],[c_263,c_519]) ).

tff(c_52,plain,
    ( ( cartesian_product2('#skF_10','#skF_11') != empty_set )
    | ( cartesian_product2('#skF_12','#skF_13') = empty_set ) ),
    inference(cnfTransformation,[status(thm)],[f_69]) ).

tff(c_104,plain,
    cartesian_product2('#skF_10','#skF_11') != empty_set,
    inference(splitLeft,[status(thm)],[c_52]) ).

tff(c_261,plain,
    cartesian_product2('#skF_10','#skF_11') != '#skF_11',
    inference(demodulation,[status(thm),theory(equality)],[c_260,c_104]) ).

tff(c_546,plain,
    $false,
    inference(demodulation,[status(thm),theory(equality)],[c_542,c_261]) ).

tff(c_547,plain,
    empty_set = '#skF_10',
    inference(splitRight,[status(thm)],[c_258]) ).

tff(c_553,plain,
    ! [A_5] :
      ( ( A_5 = '#skF_10' )
      | in('#skF_1'(A_5),A_5) ),
    inference(demodulation,[status(thm),theory(equality)],[c_547,c_8]) ).

tff(c_699,plain,
    ! [A_107,B_108,D_109] :
      ( in('#skF_6'(A_107,B_108,cartesian_product2(A_107,B_108),D_109),A_107)
      | ~ in(D_109,cartesian_product2(A_107,B_108)) ),
    inference(cnfTransformation,[status(thm)],[f_51]) ).

tff(c_556,plain,
    ! [B_8] : ~ in(B_8,'#skF_10'),
    inference(demodulation,[status(thm),theory(equality)],[c_547,c_6]) ).

tff(c_708,plain,
    ! [D_110,B_111] : ~ in(D_110,cartesian_product2('#skF_10',B_111)),
    inference(resolution,[status(thm)],[c_699,c_556]) ).

tff(c_723,plain,
    ! [B_111] : ( cartesian_product2('#skF_10',B_111) = '#skF_10' ),
    inference(resolution,[status(thm)],[c_553,c_708]) ).

tff(c_551,plain,
    cartesian_product2('#skF_10','#skF_11') != '#skF_10',
    inference(demodulation,[status(thm),theory(equality)],[c_547,c_104]) ).

tff(c_727,plain,
    $false,
    inference(demodulation,[status(thm),theory(equality)],[c_723,c_551]) ).

tff(c_729,plain,
    cartesian_product2('#skF_10','#skF_11') = empty_set,
    inference(splitRight,[status(thm)],[c_52]) ).

tff(c_857,plain,
    ! [E_118,F_119,A_120,B_121] :
      ( in(ordered_pair(E_118,F_119),cartesian_product2(A_120,B_121))
      | ~ in(F_119,B_121)
      | ~ in(E_118,A_120) ),
    inference(cnfTransformation,[status(thm)],[f_51]) ).

tff(c_862,plain,
    ! [E_118,F_119] :
      ( in(ordered_pair(E_118,F_119),empty_set)
      | ~ in(F_119,'#skF_11')
      | ~ in(E_118,'#skF_10') ),
    inference(superposition,[status(thm),theory(equality)],[c_729,c_857]) ).

tff(c_867,plain,
    ! [F_119,E_118] :
      ( ~ in(F_119,'#skF_11')
      | ~ in(E_118,'#skF_10') ),
    inference(negUnitSimplification,[status(thm)],[c_6,c_862]) ).

tff(c_870,plain,
    ! [E_122] : ~ in(E_122,'#skF_10'),
    inference(splitLeft,[status(thm)],[c_867]) ).

tff(c_875,plain,
    empty_set = '#skF_10',
    inference(resolution,[status(thm)],[c_8,c_870]) ).

tff(c_880,plain,
    '#skF_10' != '#skF_13',
    inference(demodulation,[status(thm),theory(equality)],[c_875,c_58]) ).

tff(c_1075,plain,
    ! [A_146] :
      ( ( A_146 = '#skF_10' )
      | in('#skF_1'(A_146),A_146) ),
    inference(demodulation,[status(thm),theory(equality)],[c_875,c_8]) ).

tff(c_881,plain,
    '#skF_10' != '#skF_12',
    inference(demodulation,[status(thm),theory(equality)],[c_875,c_57]) ).

tff(c_951,plain,
    ! [A_132] :
      ( ( A_132 = '#skF_10' )
      | in('#skF_1'(A_132),A_132) ),
    inference(demodulation,[status(thm),theory(equality)],[c_875,c_8]) ).

tff(c_728,plain,
    cartesian_product2('#skF_12','#skF_13') = empty_set,
    inference(splitRight,[status(thm)],[c_52]) ).

tff(c_865,plain,
    ! [E_118,F_119] :
      ( in(ordered_pair(E_118,F_119),empty_set)
      | ~ in(F_119,'#skF_13')
      | ~ in(E_118,'#skF_12') ),
    inference(superposition,[status(thm),theory(equality)],[c_728,c_857]) ).

tff(c_868,plain,
    ! [F_119,E_118] :
      ( ~ in(F_119,'#skF_13')
      | ~ in(E_118,'#skF_12') ),
    inference(negUnitSimplification,[status(thm)],[c_6,c_865]) ).

tff(c_921,plain,
    ! [E_118] : ~ in(E_118,'#skF_12'),
    inference(splitLeft,[status(thm)],[c_868]) ).

tff(c_963,plain,
    '#skF_10' = '#skF_12',
    inference(resolution,[status(thm)],[c_951,c_921]) ).

tff(c_975,plain,
    $false,
    inference(negUnitSimplification,[status(thm)],[c_881,c_963]) ).

tff(c_976,plain,
    ! [F_119] : ~ in(F_119,'#skF_13'),
    inference(splitRight,[status(thm)],[c_868]) ).

tff(c_1095,plain,
    '#skF_10' = '#skF_13',
    inference(resolution,[status(thm)],[c_1075,c_976]) ).

tff(c_1109,plain,
    $false,
    inference(negUnitSimplification,[status(thm)],[c_880,c_1095]) ).

tff(c_1111,plain,
    ! [F_147] : ~ in(F_147,'#skF_11'),
    inference(splitRight,[status(thm)],[c_867]) ).

tff(c_1116,plain,
    empty_set = '#skF_11',
    inference(resolution,[status(thm)],[c_8,c_1111]) ).

tff(c_1144,plain,
    '#skF_11' != '#skF_13',
    inference(demodulation,[status(thm),theory(equality)],[c_1116,c_58]) ).

tff(c_1395,plain,
    ! [A_176] :
      ( ( A_176 = '#skF_11' )
      | in('#skF_1'(A_176),A_176) ),
    inference(demodulation,[status(thm),theory(equality)],[c_1116,c_8]) ).

tff(c_1145,plain,
    '#skF_11' != '#skF_12',
    inference(demodulation,[status(thm),theory(equality)],[c_1116,c_57]) ).

tff(c_1276,plain,
    ! [A_164] :
      ( ( A_164 = '#skF_11' )
      | in('#skF_1'(A_164),A_164) ),
    inference(demodulation,[status(thm),theory(equality)],[c_1116,c_8]) ).

tff(c_1191,plain,
    ! [E_118] : ~ in(E_118,'#skF_12'),
    inference(splitLeft,[status(thm)],[c_868]) ).

tff(c_1292,plain,
    '#skF_11' = '#skF_12',
    inference(resolution,[status(thm)],[c_1276,c_1191]) ).

tff(c_1309,plain,
    $false,
    inference(negUnitSimplification,[status(thm)],[c_1145,c_1292]) ).

tff(c_1310,plain,
    ! [F_119] : ~ in(F_119,'#skF_13'),
    inference(splitRight,[status(thm)],[c_868]) ).

tff(c_1411,plain,
    '#skF_11' = '#skF_13',
    inference(resolution,[status(thm)],[c_1395,c_1310]) ).

tff(c_1428,plain,
    $false,
    inference(negUnitSimplification,[status(thm)],[c_1144,c_1411]) ).

tff(c_1430,plain,
    empty_set = '#skF_13',
    inference(splitRight,[status(thm)],[c_44]) ).

tff(c_1744,plain,
    ! [A_5] :
      ( ( A_5 = '#skF_13' )
      | in('#skF_1'(A_5),A_5) ),
    inference(demodulation,[status(thm),theory(equality)],[c_1430,c_8]) ).

tff(c_1883,plain,
    ! [A_217,B_218,D_219] :
      ( in('#skF_7'(A_217,B_218,cartesian_product2(A_217,B_218),D_219),B_218)
      | ~ in(D_219,cartesian_product2(A_217,B_218)) ),
    inference(cnfTransformation,[status(thm)],[f_51]) ).

tff(c_1432,plain,
    ! [B_8] : ~ in(B_8,'#skF_13'),
    inference(demodulation,[status(thm),theory(equality)],[c_1430,c_6]) ).

tff(c_1892,plain,
    ! [D_220,A_221] : ~ in(D_220,cartesian_product2(A_221,'#skF_13')),
    inference(resolution,[status(thm)],[c_1883,c_1432]) ).

tff(c_1907,plain,
    ! [A_221] : ( cartesian_product2(A_221,'#skF_13') = '#skF_13' ),
    inference(resolution,[status(thm)],[c_1744,c_1892]) ).

tff(c_1449,plain,
    ! [A_5] :
      ( ( A_5 = '#skF_13' )
      | in('#skF_1'(A_5),A_5) ),
    inference(demodulation,[status(thm),theory(equality)],[c_1430,c_8]) ).

tff(c_1673,plain,
    ! [A_196,B_197,D_198] :
      ( in('#skF_6'(A_196,B_197,cartesian_product2(A_196,B_197),D_198),A_196)
      | ~ in(D_198,cartesian_product2(A_196,B_197)) ),
    inference(cnfTransformation,[status(thm)],[f_51]) ).

tff(c_1682,plain,
    ! [D_199,B_200] : ~ in(D_199,cartesian_product2('#skF_13',B_200)),
    inference(resolution,[status(thm)],[c_1673,c_1432]) ).

tff(c_1697,plain,
    ! [B_200] : ( cartesian_product2('#skF_13',B_200) = '#skF_13' ),
    inference(resolution,[status(thm)],[c_1449,c_1682]) ).

tff(c_46,plain,
    ( ( empty_set = '#skF_11' )
    | ( empty_set = '#skF_10' )
    | ( empty_set != '#skF_13' ) ),
    inference(cnfTransformation,[status(thm)],[f_69]) ).

tff(c_1441,plain,
    ( ( '#skF_11' = '#skF_13' )
    | ( '#skF_10' = '#skF_13' ) ),
    inference(demodulation,[status(thm),theory(equality)],[c_1430,c_1430,c_1430,c_46]) ).

tff(c_1442,plain,
    '#skF_10' = '#skF_13',
    inference(splitLeft,[status(thm)],[c_1441]) ).

tff(c_1429,plain,
    cartesian_product2('#skF_10','#skF_11') != empty_set,
    inference(splitRight,[status(thm)],[c_44]) ).

tff(c_1439,plain,
    cartesian_product2('#skF_10','#skF_11') != '#skF_13',
    inference(demodulation,[status(thm),theory(equality)],[c_1430,c_1429]) ).

tff(c_1443,plain,
    cartesian_product2('#skF_13','#skF_11') != '#skF_13',
    inference(demodulation,[status(thm),theory(equality)],[c_1442,c_1439]) ).

tff(c_1701,plain,
    $false,
    inference(demodulation,[status(thm),theory(equality)],[c_1697,c_1443]) ).

tff(c_1702,plain,
    '#skF_11' = '#skF_13',
    inference(splitRight,[status(thm)],[c_1441]) ).

tff(c_1704,plain,
    cartesian_product2('#skF_10','#skF_13') != '#skF_13',
    inference(demodulation,[status(thm),theory(equality)],[c_1702,c_1439]) ).

tff(c_1911,plain,
    $false,
    inference(demodulation,[status(thm),theory(equality)],[c_1907,c_1704]) ).

tff(c_1913,plain,
    empty_set = '#skF_12',
    inference(splitRight,[status(thm)],[c_48]) ).

tff(c_2173,plain,
    ! [A_5] :
      ( ( A_5 = '#skF_12' )
      | in('#skF_1'(A_5),A_5) ),
    inference(demodulation,[status(thm),theory(equality)],[c_1913,c_8]) ).

tff(c_2412,plain,
    ! [A_269,B_270,D_271] :
      ( in('#skF_7'(A_269,B_270,cartesian_product2(A_269,B_270),D_271),B_270)
      | ~ in(D_271,cartesian_product2(A_269,B_270)) ),
    inference(cnfTransformation,[status(thm)],[f_51]) ).

tff(c_1914,plain,
    ! [B_8] : ~ in(B_8,'#skF_12'),
    inference(demodulation,[status(thm),theory(equality)],[c_1913,c_6]) ).

tff(c_2425,plain,
    ! [D_272,A_273] : ~ in(D_272,cartesian_product2(A_273,'#skF_12')),
    inference(resolution,[status(thm)],[c_2412,c_1914]) ).

tff(c_2448,plain,
    ! [A_273] : ( cartesian_product2(A_273,'#skF_12') = '#skF_12' ),
    inference(resolution,[status(thm)],[c_2173,c_2425]) ).

tff(c_1964,plain,
    ! [A_5] :
      ( ( A_5 = '#skF_12' )
      | in('#skF_1'(A_5),A_5) ),
    inference(demodulation,[status(thm),theory(equality)],[c_1913,c_8]) ).

tff(c_2103,plain,
    ! [A_239,B_240,D_241] :
      ( in('#skF_6'(A_239,B_240,cartesian_product2(A_239,B_240),D_241),A_239)
      | ~ in(D_241,cartesian_product2(A_239,B_240)) ),
    inference(cnfTransformation,[status(thm)],[f_51]) ).

tff(c_2112,plain,
    ! [D_242,B_243] : ~ in(D_242,cartesian_product2('#skF_12',B_243)),
    inference(resolution,[status(thm)],[c_2103,c_1914]) ).

tff(c_2127,plain,
    ! [B_243] : ( cartesian_product2('#skF_12',B_243) = '#skF_12' ),
    inference(resolution,[status(thm)],[c_1964,c_2112]) ).

tff(c_50,plain,
    ( ( empty_set = '#skF_11' )
    | ( empty_set = '#skF_10' )
    | ( empty_set != '#skF_12' ) ),
    inference(cnfTransformation,[status(thm)],[f_69]) ).

tff(c_1921,plain,
    ( ( '#skF_11' = '#skF_12' )
    | ( '#skF_10' = '#skF_12' ) ),
    inference(demodulation,[status(thm),theory(equality)],[c_1913,c_1913,c_1913,c_50]) ).

tff(c_1922,plain,
    '#skF_10' = '#skF_12',
    inference(splitLeft,[status(thm)],[c_1921]) ).

tff(c_1912,plain,
    cartesian_product2('#skF_10','#skF_11') != empty_set,
    inference(splitRight,[status(thm)],[c_48]) ).

tff(c_1928,plain,
    cartesian_product2('#skF_12','#skF_11') != '#skF_12',
    inference(demodulation,[status(thm),theory(equality)],[c_1922,c_1913,c_1912]) ).

tff(c_2131,plain,
    $false,
    inference(demodulation,[status(thm),theory(equality)],[c_2127,c_1928]) ).

tff(c_2132,plain,
    '#skF_11' = '#skF_12',
    inference(splitRight,[status(thm)],[c_1921]) ).

tff(c_2139,plain,
    cartesian_product2('#skF_10','#skF_12') != '#skF_12',
    inference(demodulation,[status(thm),theory(equality)],[c_2132,c_1913,c_1912]) ).

tff(c_2452,plain,
    $false,
    inference(demodulation,[status(thm),theory(equality)],[c_2448,c_2139]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET960+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.13  % Command  : java -Dfile.encoding=UTF-8 -Xms512M -Xmx4G -Xss10M -jar /export/starexec/sandbox2/solver/bin/beagle.jar -auto -q -proof -print tff -smtsolver /export/starexec/sandbox2/solver/bin/cvc4-1.4-x86_64-linux-opt -liasolver cooper -t %d %s
% 0.13/0.34  % Computer : n021.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Thu Aug  3 16:27:21 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 4.27/2.18  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 4.27/2.19  
% 4.27/2.19  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 4.27/2.23  
% 4.27/2.23  Inference rules
% 4.27/2.23  ----------------------
% 4.27/2.23  #Ref     : 0
% 4.27/2.23  #Sup     : 574
% 4.27/2.23  #Fact    : 0
% 4.27/2.23  #Define  : 0
% 4.27/2.23  #Split   : 11
% 4.27/2.23  #Chain   : 0
% 4.27/2.23  #Close   : 0
% 4.27/2.23  
% 4.27/2.23  Ordering : KBO
% 4.27/2.23  
% 4.27/2.23  Simplification rules
% 4.27/2.23  ----------------------
% 4.27/2.23  #Subsume      : 76
% 4.27/2.23  #Demod        : 192
% 4.27/2.23  #Tautology    : 219
% 4.27/2.23  #SimpNegUnit  : 23
% 4.27/2.23  #BackRed      : 53
% 4.27/2.23  
% 4.27/2.23  #Partial instantiations: 0
% 4.27/2.23  #Strategies tried      : 1
% 4.27/2.23  
% 4.27/2.23  Timing (in seconds)
% 4.27/2.23  ----------------------
% 4.27/2.24  Preprocessing        : 0.51
% 4.27/2.24  Parsing              : 0.25
% 4.27/2.24  CNF conversion       : 0.04
% 4.27/2.24  Main loop            : 0.65
% 4.27/2.24  Inferencing          : 0.24
% 4.27/2.24  Reduction            : 0.19
% 4.27/2.24  Demodulation         : 0.14
% 4.27/2.24  BG Simplification    : 0.04
% 4.27/2.24  Subsumption          : 0.12
% 4.27/2.24  Abstraction          : 0.03
% 4.27/2.24  MUC search           : 0.00
% 4.27/2.24  Cooper               : 0.00
% 4.27/2.24  Total                : 1.23
% 4.27/2.24  Index Insertion      : 0.00
% 4.27/2.24  Index Deletion       : 0.00
% 4.27/2.24  Index Matching       : 0.00
% 4.27/2.24  BG Taut test         : 0.00
%------------------------------------------------------------------------------