TSTP Solution File: GRP086-1 by Beagle---0.9.51

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Beagle---0.9.51
% Problem  : GRP086-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 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 : n028.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 10:39:48 EDT 2023

% Result   : Unsatisfiable 20.95s 8.93s
% Output   : CNFRefutation 20.95s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   13
% Syntax   : Number of formulae    :  100 (  85 unt;  11 typ;   0 def)
%            Number of atoms       :   98 (  94 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   31 (  22   ~;   9   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :   10 (   2 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    3 (   2   >;   1   *;   0   +;   0  <<)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   9 con; 0-2 aty)
%            Number of variables   :  196 (; 196   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
%$ multiply > #nlpp > inverse > c3 > b4 > b3 > b2 > b1 > a4 > a3 > a2 > a1

%Foreground sorts:

%Background operators:

%Foreground operators:
tff(a1,type,
    a1: $i ).

tff(a3,type,
    a3: $i ).

tff(c3,type,
    c3: $i ).

tff(b2,type,
    b2: $i ).

tff(inverse,type,
    inverse: $i > $i ).

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

tff(b1,type,
    b1: $i ).

tff(b4,type,
    b4: $i ).

tff(b3,type,
    b3: $i ).

tff(a2,type,
    a2: $i ).

tff(a4,type,
    a4: $i ).

tff(f_25,axiom,
    ! [X,Y,Z] : ( multiply(X,multiply(multiply(Y,Z),inverse(multiply(X,Z)))) = Y ),
    file(unknown,unknown) ).

tff(f_36,axiom,
    ( ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1) )
    | ( multiply(multiply(inverse(b2),b2),a2) != a2 )
    | ( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) )
    | ( multiply(a4,b4) != multiply(b4,a4) ) ),
    file(unknown,unknown) ).

tff(c_2,plain,
    ! [X_1,Y_2,Z_3] : ( multiply(X_1,multiply(multiply(Y_2,Z_3),inverse(multiply(X_1,Z_3)))) = Y_2 ),
    inference(cnfTransformation,[status(thm)],[f_25]) ).

tff(c_5,plain,
    ! [X_4,Y_5,Z_6] : ( multiply(X_4,multiply(multiply(Y_5,Z_6),inverse(multiply(X_4,Z_6)))) = Y_5 ),
    inference(cnfTransformation,[status(thm)],[f_25]) ).

tff(c_26,plain,
    ! [X_7,Y_8,Z_9,X_10] : ( multiply(X_7,multiply(Y_8,inverse(multiply(X_7,multiply(multiply(Y_8,Z_9),inverse(multiply(X_10,Z_9))))))) = X_10 ),
    inference(superposition,[status(thm),theory(equality)],[c_5,c_2]) ).

tff(c_62,plain,
    ! [X_11,Y_12] : ( multiply(X_11,multiply(Y_12,inverse(Y_12))) = X_11 ),
    inference(superposition,[status(thm),theory(equality)],[c_2,c_26]) ).

tff(c_8,plain,
    ! [X_1,Y_5,Z_6,X_4] : ( multiply(X_1,multiply(Y_5,inverse(multiply(X_1,multiply(multiply(Y_5,Z_6),inverse(multiply(X_4,Z_6))))))) = X_4 ),
    inference(superposition,[status(thm),theory(equality)],[c_5,c_2]) ).

tff(c_101,plain,
    ! [X_13,Y_14] : ( multiply(X_13,multiply(Y_14,inverse(X_13))) = Y_14 ),
    inference(superposition,[status(thm),theory(equality)],[c_62,c_8]) ).

tff(c_118,plain,
    ! [X_4,Z_6,Y_5] : ( multiply(multiply(X_4,Z_6),multiply(Y_5,inverse(multiply(Y_5,Z_6)))) = X_4 ),
    inference(superposition,[status(thm),theory(equality)],[c_101,c_8]) ).

tff(c_59,plain,
    ! [X_1,Y_2] : ( multiply(X_1,multiply(Y_2,inverse(Y_2))) = X_1 ),
    inference(superposition,[status(thm),theory(equality)],[c_2,c_26]) ).

tff(c_68,plain,
    ! [X_1,X_11,X_4,Y_12] : ( multiply(X_1,multiply(X_11,inverse(multiply(X_1,multiply(X_11,inverse(multiply(X_4,multiply(Y_12,inverse(Y_12))))))))) = X_4 ),
    inference(superposition,[status(thm),theory(equality)],[c_62,c_8]) ).

tff(c_15066,plain,
    ! [X_175,X_176,X_177] : ( multiply(X_175,multiply(X_176,inverse(multiply(X_175,multiply(X_176,inverse(X_177)))))) = X_177 ),
    inference(demodulation,[status(thm),theory(equality)],[c_59,c_68]) ).

tff(c_15426,plain,
    ! [X_182,Y_183,Z_184] : ( multiply(X_182,multiply(multiply(Y_183,Z_184),inverse(Y_183))) = multiply(X_182,Z_184) ),
    inference(superposition,[status(thm),theory(equality)],[c_2,c_15066]) ).

tff(c_12059,plain,
    ! [X_120,Z_121,Y_122] : ( multiply(multiply(X_120,Z_121),multiply(Y_122,inverse(multiply(Y_122,Z_121)))) = X_120 ),
    inference(superposition,[status(thm),theory(equality)],[c_101,c_8]) ).

tff(c_12082,plain,
    ! [X_120,Z_121,Y_5] : ( multiply(multiply(X_120,Z_121),multiply(Y_5,inverse(X_120))) = multiply(Y_5,Z_121) ),
    inference(superposition,[status(thm),theory(equality)],[c_12059,c_8]) ).

tff(c_15458,plain,
    ! [Y_183,Z_184,Z_121] : ( multiply(multiply(Y_183,Z_184),Z_121) = multiply(multiply(Y_183,Z_121),Z_184) ),
    inference(superposition,[status(thm),theory(equality)],[c_15426,c_12082]) ).

tff(c_11,plain,
    ! [X_4,Y_2,Y_5,Z_6] : ( multiply(X_4,multiply(multiply(Y_2,multiply(multiply(Y_5,Z_6),inverse(multiply(X_4,Z_6)))),inverse(Y_5))) = Y_2 ),
    inference(superposition,[status(thm),theory(equality)],[c_5,c_2]) ).

tff(c_17366,plain,
    ! [X_201,Y_202,Y_203,Z_204] : ( multiply(X_201,multiply(multiply(Y_202,inverse(Y_203)),multiply(multiply(Y_203,Z_204),inverse(multiply(X_201,Z_204))))) = Y_202 ),
    inference(demodulation,[status(thm),theory(equality)],[c_15458,c_11]) ).

tff(c_17582,plain,
    ! [Y_203,X_4] : ( multiply(multiply(Y_203,inverse(Y_203)),X_4) = X_4 ),
    inference(superposition,[status(thm),theory(equality)],[c_118,c_17366]) ).

tff(c_17647,plain,
    ! [Y_205,X_206] : ( multiply(multiply(Y_205,inverse(Y_205)),X_206) = X_206 ),
    inference(superposition,[status(thm),theory(equality)],[c_118,c_17366]) ).

tff(c_15620,plain,
    ! [Y_185,Z_187,Z_186] : ( multiply(multiply(Y_185,Z_187),Z_186) = multiply(multiply(Y_185,Z_186),Z_187) ),
    inference(superposition,[status(thm),theory(equality)],[c_15426,c_12082]) ).

tff(c_15138,plain,
    ! [X_1,Y_2,Z_3] : ( multiply(X_1,multiply(multiply(Y_2,Z_3),inverse(Y_2))) = multiply(X_1,Z_3) ),
    inference(superposition,[status(thm),theory(equality)],[c_2,c_15066]) ).

tff(c_15651,plain,
    ! [X_1,Y_185,Z_186] : ( multiply(X_1,multiply(multiply(Y_185,inverse(Y_185)),Z_186)) = multiply(X_1,Z_186) ),
    inference(superposition,[status(thm),theory(equality)],[c_15620,c_15138]) ).

tff(c_16294,plain,
    ! [X_190,Y_191,Z_192] : ( multiply(X_190,multiply(multiply(Y_191,inverse(Y_191)),Z_192)) = multiply(X_190,Z_192) ),
    inference(superposition,[status(thm),theory(equality)],[c_15620,c_15138]) ).

tff(c_94,plain,
    ! [X_1,X_11,X_4] : ( multiply(X_1,multiply(X_11,inverse(multiply(X_1,multiply(X_11,inverse(X_4)))))) = X_4 ),
    inference(demodulation,[status(thm),theory(equality)],[c_59,c_68]) ).

tff(c_16334,plain,
    ! [X_190,Y_191,X_4] : ( multiply(X_190,inverse(multiply(X_190,multiply(multiply(Y_191,inverse(Y_191)),inverse(X_4))))) = X_4 ),
    inference(superposition,[status(thm),theory(equality)],[c_16294,c_94]) ).

tff(c_16514,plain,
    ! [X_190,X_4] : ( multiply(X_190,inverse(multiply(X_190,inverse(X_4)))) = X_4 ),
    inference(demodulation,[status(thm),theory(equality)],[c_15651,c_16334]) ).

tff(c_17705,plain,
    ! [Y_205,X_4] : ( inverse(multiply(multiply(Y_205,inverse(Y_205)),inverse(X_4))) = X_4 ),
    inference(superposition,[status(thm),theory(equality)],[c_17647,c_16514]) ).

tff(c_17922,plain,
    ! [X_4] : ( inverse(inverse(X_4)) = X_4 ),
    inference(demodulation,[status(thm),theory(equality)],[c_17582,c_17705]) ).

tff(c_18014,plain,
    ! [Y_208,Z_209] : ( multiply(multiply(Y_208,Z_209),inverse(Y_208)) = Z_209 ),
    inference(superposition,[status(thm),theory(equality)],[c_15458,c_17647]) ).

tff(c_17881,plain,
    ! [Y_183,Z_121] : ( multiply(multiply(Y_183,Z_121),inverse(Y_183)) = Z_121 ),
    inference(superposition,[status(thm),theory(equality)],[c_15458,c_17647]) ).

tff(c_18017,plain,
    ! [Z_209,Y_208] : ( multiply(Z_209,inverse(multiply(Y_208,Z_209))) = inverse(Y_208) ),
    inference(superposition,[status(thm),theory(equality)],[c_18014,c_17881]) ).

tff(c_16540,plain,
    ! [X_193,X_194] : ( multiply(X_193,inverse(multiply(X_193,inverse(X_194)))) = X_194 ),
    inference(demodulation,[status(thm),theory(equality)],[c_15651,c_16334]) ).

tff(c_16631,plain,
    ! [Y_195,X_196] : ( multiply(multiply(Y_195,inverse(X_196)),X_196) = Y_195 ),
    inference(superposition,[status(thm),theory(equality)],[c_16540,c_2]) ).

tff(c_27622,plain,
    ! [X_272,Y_273,X_274] : ( multiply(X_272,multiply(Y_273,inverse(multiply(X_272,X_274)))) = multiply(Y_273,inverse(X_274)) ),
    inference(superposition,[status(thm),theory(equality)],[c_16631,c_2]) ).

tff(c_27862,plain,
    ! [Z_209,Y_273,Y_208] : ( multiply(Z_209,multiply(Y_273,inverse(inverse(Y_208)))) = multiply(Y_273,inverse(inverse(multiply(Y_208,Z_209)))) ),
    inference(superposition,[status(thm),theory(equality)],[c_18017,c_27622]) ).

tff(c_28077,plain,
    ! [Z_209,Y_273,Y_208] : ( multiply(Z_209,multiply(Y_273,Y_208)) = multiply(Y_273,multiply(Y_208,Z_209)) ),
    inference(demodulation,[status(thm),theory(equality)],[c_17922,c_17922,c_27862]) ).

tff(c_16838,plain,
    ! [Y_197,X_198] : ( multiply(multiply(Y_197,X_198),inverse(X_198)) = Y_197 ),
    inference(superposition,[status(thm),theory(equality)],[c_16631,c_15458]) ).

tff(c_75,plain,
    ! [X_11,Y_5] : ( multiply(X_11,multiply(Y_5,inverse(X_11))) = Y_5 ),
    inference(superposition,[status(thm),theory(equality)],[c_62,c_8]) ).

tff(c_16893,plain,
    ! [Y_197,X_198] : ( multiply(Y_197,X_198) = multiply(X_198,Y_197) ),
    inference(superposition,[status(thm),theory(equality)],[c_16838,c_75]) ).

tff(c_13538,plain,
    ! [X_152,Y_153,X_154] : ( multiply(X_152,multiply(Y_153,inverse(multiply(X_152,multiply(Y_153,inverse(X_154)))))) = X_154 ),
    inference(superposition,[status(thm),theory(equality)],[c_101,c_2]) ).

tff(c_13832,plain,
    ! [X_158,Y_159,Z_160] : ( multiply(X_158,multiply(multiply(Y_159,Z_160),inverse(Y_159))) = multiply(X_158,Z_160) ),
    inference(superposition,[status(thm),theory(equality)],[c_2,c_13538]) ).

tff(c_13856,plain,
    ! [Y_159,Z_160,Z_121] : ( multiply(multiply(Y_159,Z_160),Z_121) = multiply(multiply(Y_159,Z_121),Z_160) ),
    inference(superposition,[status(thm),theory(equality)],[c_13832,c_12082]) ).

tff(c_124,plain,
    ! [X_13,Y_2,Y_14] : ( multiply(X_13,multiply(multiply(Y_2,multiply(Y_14,inverse(X_13))),inverse(Y_14))) = Y_2 ),
    inference(superposition,[status(thm),theory(equality)],[c_101,c_2]) ).

tff(c_14454,plain,
    ! [X_165,Y_166,Y_167] : ( multiply(X_165,multiply(multiply(Y_166,inverse(Y_167)),multiply(Y_167,inverse(X_165)))) = Y_166 ),
    inference(demodulation,[status(thm),theory(equality)],[c_13856,c_124]) ).

tff(c_14534,plain,
    ! [Y_5,X_4] : ( multiply(multiply(Y_5,inverse(Y_5)),X_4) = X_4 ),
    inference(superposition,[status(thm),theory(equality)],[c_118,c_14454]) ).

tff(c_14561,plain,
    ! [Y_168,X_169] : ( multiply(multiply(Y_168,inverse(Y_168)),X_169) = X_169 ),
    inference(superposition,[status(thm),theory(equality)],[c_118,c_14454]) ).

tff(c_14587,plain,
    ! [Y_168,Z_121,X_169] : ( multiply(multiply(multiply(Y_168,inverse(Y_168)),Z_121),X_169) = multiply(X_169,Z_121) ),
    inference(superposition,[status(thm),theory(equality)],[c_14561,c_13856]) ).

tff(c_14806,plain,
    ! [Z_121,X_169] : ( multiply(Z_121,X_169) = multiply(X_169,Z_121) ),
    inference(demodulation,[status(thm),theory(equality)],[c_14534,c_14587]) ).

tff(c_12225,plain,
    ! [X_126,X_127,X_128] : ( multiply(X_126,multiply(X_127,inverse(multiply(X_126,multiply(X_127,inverse(X_128)))))) = X_128 ),
    inference(demodulation,[status(thm),theory(equality)],[c_59,c_68]) ).

tff(c_12285,plain,
    ! [X_129,Y_130,Z_131] : ( multiply(X_129,multiply(multiply(Y_130,Z_131),inverse(Y_130))) = multiply(X_129,Z_131) ),
    inference(superposition,[status(thm),theory(equality)],[c_2,c_12225]) ).

tff(c_12301,plain,
    ! [Y_130,Z_131,Z_121] : ( multiply(multiply(Y_130,Z_131),Z_121) = multiply(multiply(Y_130,Z_121),Z_131) ),
    inference(superposition,[status(thm),theory(equality)],[c_12285,c_12082]) ).

tff(c_12393,plain,
    ! [Y_132,Z_134,Z_133] : ( multiply(multiply(Y_132,Z_134),Z_133) = multiply(multiply(Y_132,Z_133),Z_134) ),
    inference(superposition,[status(thm),theory(equality)],[c_12285,c_12082]) ).

tff(c_12276,plain,
    ! [X_1,Y_2,Z_3] : ( multiply(X_1,multiply(multiply(Y_2,Z_3),inverse(Y_2))) = multiply(X_1,Z_3) ),
    inference(superposition,[status(thm),theory(equality)],[c_2,c_12225]) ).

tff(c_12424,plain,
    ! [X_1,Y_132,Z_133] : ( multiply(X_1,multiply(multiply(Y_132,inverse(Y_132)),Z_133)) = multiply(X_1,Z_133) ),
    inference(superposition,[status(thm),theory(equality)],[c_12393,c_12276]) ).

tff(c_12662,plain,
    ! [X_135,Y_136,Z_137] : ( multiply(X_135,multiply(multiply(Y_136,inverse(Y_136)),Z_137)) = multiply(X_135,Z_137) ),
    inference(superposition,[status(thm),theory(equality)],[c_12393,c_12276]) ).

tff(c_12698,plain,
    ! [X_135,Y_136,X_4] : ( multiply(X_135,inverse(multiply(X_135,multiply(multiply(Y_136,inverse(Y_136)),inverse(X_4))))) = X_4 ),
    inference(superposition,[status(thm),theory(equality)],[c_12662,c_94]) ).

tff(c_12860,plain,
    ! [X_138,X_139] : ( multiply(X_138,inverse(multiply(X_138,inverse(X_139)))) = X_139 ),
    inference(demodulation,[status(thm),theory(equality)],[c_12424,c_12698]) ).

tff(c_12942,plain,
    ! [X_140,X_141] : ( multiply(multiply(X_140,inverse(X_141)),X_141) = X_140 ),
    inference(superposition,[status(thm),theory(equality)],[c_12860,c_118]) ).

tff(c_13155,plain,
    ! [Y_143,Z_144] : ( multiply(multiply(Y_143,Z_144),inverse(Z_144)) = Y_143 ),
    inference(superposition,[status(thm),theory(equality)],[c_12301,c_12942]) ).

tff(c_13202,plain,
    ! [Z_144,Y_143] : ( multiply(Z_144,Y_143) = multiply(Y_143,Z_144) ),
    inference(superposition,[status(thm),theory(equality)],[c_13155,c_75]) ).

tff(c_222,plain,
    ! [X_18,Y_19,X_20] : ( multiply(X_18,multiply(Y_19,inverse(multiply(X_18,multiply(Y_19,inverse(X_20)))))) = X_20 ),
    inference(superposition,[status(thm),theory(equality)],[c_101,c_2]) ).

tff(c_355,plain,
    ! [X_24,Y_25,Z_26] : ( multiply(X_24,multiply(multiply(Y_25,Z_26),inverse(Y_25))) = multiply(X_24,Z_26) ),
    inference(superposition,[status(thm),theory(equality)],[c_2,c_222]) ).

tff(c_139,plain,
    ! [X_15,Z_16,Y_17] : ( multiply(multiply(X_15,Z_16),multiply(Y_17,inverse(multiply(Y_17,Z_16)))) = X_15 ),
    inference(superposition,[status(thm),theory(equality)],[c_101,c_8]) ).

tff(c_162,plain,
    ! [X_15,Z_16,Y_5] : ( multiply(multiply(X_15,Z_16),multiply(Y_5,inverse(X_15))) = multiply(Y_5,Z_16) ),
    inference(superposition,[status(thm),theory(equality)],[c_139,c_8]) ).

tff(c_368,plain,
    ! [Y_25,Z_26,Z_16] : ( multiply(multiply(Y_25,Z_26),Z_16) = multiply(multiply(Y_25,Z_16),Z_26) ),
    inference(superposition,[status(thm),theory(equality)],[c_355,c_162]) ).

tff(c_20,plain,
    ! [X_1,Y_5,Y_2,Z_3] : ( multiply(X_1,multiply(multiply(Y_5,multiply(multiply(Y_2,Z_3),inverse(multiply(X_1,Z_3)))),inverse(Y_2))) = Y_5 ),
    inference(superposition,[status(thm),theory(equality)],[c_2,c_5]) ).

tff(c_724,plain,
    ! [X_30,Y_31,Y_32,Z_33] : ( multiply(X_30,multiply(multiply(Y_31,inverse(Y_32)),multiply(multiply(Y_32,Z_33),inverse(multiply(X_30,Z_33))))) = Y_31 ),
    inference(demodulation,[status(thm),theory(equality)],[c_368,c_20]) ).

tff(c_883,plain,
    ! [Y_34,X_35] : ( multiply(multiply(Y_34,inverse(Y_34)),X_35) = X_35 ),
    inference(superposition,[status(thm),theory(equality)],[c_118,c_724]) ).

tff(c_992,plain,
    ! [Y_34,Y_2] : ( multiply(Y_34,inverse(Y_34)) = multiply(Y_2,inverse(Y_2)) ),
    inference(superposition,[status(thm),theory(equality)],[c_883,c_59]) ).

tff(c_828,plain,
    ! [Y_32,X_4] : ( multiply(multiply(Y_32,inverse(Y_32)),X_4) = X_4 ),
    inference(superposition,[status(thm),theory(equality)],[c_118,c_724]) ).

tff(c_915,plain,
    ! [Y_34,Z_16,X_35] : ( multiply(multiply(multiply(Y_34,inverse(Y_34)),Z_16),X_35) = multiply(X_35,Z_16) ),
    inference(superposition,[status(thm),theory(equality)],[c_883,c_368]) ).

tff(c_1084,plain,
    ! [Z_16,X_35] : ( multiply(Z_16,X_35) = multiply(X_35,Z_16) ),
    inference(demodulation,[status(thm),theory(equality)],[c_828,c_915]) ).

tff(c_4,plain,
    ( ( multiply(b4,a4) != multiply(a4,b4) )
    | ( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) )
    | ( multiply(multiply(inverse(b2),b2),a2) != a2 )
    | ( multiply(inverse(b1),b1) != multiply(inverse(a1),a1) ) ),
    inference(cnfTransformation,[status(thm)],[f_36]) ).

tff(c_137,plain,
    multiply(inverse(b1),b1) != multiply(inverse(a1),a1),
    inference(splitLeft,[status(thm)],[c_4]) ).

tff(c_1107,plain,
    multiply(b1,inverse(b1)) != multiply(a1,inverse(a1)),
    inference(demodulation,[status(thm),theory(equality)],[c_1084,c_1084,c_137]) ).

tff(c_8672,plain,
    ! [Y_2] : ( multiply(a1,inverse(a1)) != multiply(Y_2,inverse(Y_2)) ),
    inference(superposition,[status(thm),theory(equality)],[c_992,c_1107]) ).

tff(c_12039,plain,
    $false,
    inference(reflexivity,[status(thm),theory(equality)],[c_8672]) ).

tff(c_12040,plain,
    ( ( multiply(multiply(inverse(b2),b2),a2) != a2 )
    | ( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) )
    | ( multiply(b4,a4) != multiply(a4,b4) ) ),
    inference(splitRight,[status(thm)],[c_4]) ).

tff(c_12148,plain,
    multiply(b4,a4) != multiply(a4,b4),
    inference(splitLeft,[status(thm)],[c_12040]) ).

tff(c_13279,plain,
    $false,
    inference(demodulation,[status(thm),theory(equality)],[c_13202,c_12148]) ).

tff(c_13280,plain,
    ( ( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) )
    | ( multiply(multiply(inverse(b2),b2),a2) != a2 ) ),
    inference(splitRight,[status(thm)],[c_12040]) ).

tff(c_13449,plain,
    multiply(multiply(inverse(b2),b2),a2) != a2,
    inference(splitLeft,[status(thm)],[c_13280]) ).

tff(c_14041,plain,
    multiply(multiply(inverse(b2),a2),b2) != a2,
    inference(demodulation,[status(thm),theory(equality)],[c_13856,c_13449]) ).

tff(c_14833,plain,
    multiply(b2,multiply(a2,inverse(b2))) != a2,
    inference(demodulation,[status(thm),theory(equality)],[c_14806,c_14806,c_14041]) ).

tff(c_14843,plain,
    $false,
    inference(demodulation,[status(thm),theory(equality)],[c_75,c_14833]) ).

tff(c_14844,plain,
    multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)),
    inference(splitRight,[status(thm)],[c_13280]) ).

tff(c_17011,plain,
    multiply(c3,multiply(a3,b3)) != multiply(a3,multiply(b3,c3)),
    inference(demodulation,[status(thm),theory(equality)],[c_16893,c_14844]) ).

tff(c_55203,plain,
    $false,
    inference(demodulation,[status(thm),theory(equality)],[c_28077,c_17011]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : GRP086-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.00/0.14  % 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
% 0.15/0.35  % Computer : n028.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 300
% 0.15/0.36  % DateTime : Thu Aug  3 22:33:54 EDT 2023
% 0.21/0.36  % CPUTime  : 
% 20.95/8.93  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 20.95/8.94  
% 20.95/8.94  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 20.95/8.97  
% 20.95/8.97  Inference rules
% 20.95/8.97  ----------------------
% 20.95/8.97  #Ref     : 1
% 20.95/8.97  #Sup     : 14011
% 20.95/8.97  #Fact    : 0
% 20.95/8.98  #Define  : 0
% 20.95/8.98  #Split   : 3
% 20.95/8.98  #Chain   : 0
% 20.95/8.98  #Close   : 0
% 20.95/8.98  
% 20.95/8.98  Ordering : KBO
% 20.95/8.98  
% 20.95/8.98  Simplification rules
% 20.95/8.98  ----------------------
% 20.95/8.98  #Subsume      : 959
% 20.95/8.98  #Demod        : 15442
% 20.95/8.98  #Tautology    : 4806
% 20.95/8.98  #SimpNegUnit  : 0
% 20.95/8.98  #BackRed      : 65
% 20.95/8.98  
% 20.95/8.98  #Partial instantiations: 0
% 20.95/8.98  #Strategies tried      : 1
% 20.95/8.98  
% 20.95/8.98  Timing (in seconds)
% 20.95/8.98  ----------------------
% 20.95/8.98  Preprocessing        : 0.41
% 20.95/8.98  Parsing              : 0.22
% 20.95/8.98  CNF conversion       : 0.02
% 20.95/8.98  Main loop            : 7.49
% 20.95/8.98  Inferencing          : 1.48
% 20.95/8.98  Reduction            : 4.75
% 20.95/8.98  Demodulation         : 4.51
% 20.95/8.98  BG Simplification    : 0.21
% 20.95/8.98  Subsumption          : 0.71
% 20.95/8.98  Abstraction          : 0.33
% 20.95/8.98  MUC search           : 0.00
% 20.95/8.98  Cooper               : 0.00
% 20.95/8.98  Total                : 7.97
% 20.95/8.98  Index Insertion      : 0.00
% 20.95/8.98  Index Deletion       : 0.00
% 20.95/8.98  Index Matching       : 0.00
% 20.95/8.98  BG Taut test         : 0.00
%------------------------------------------------------------------------------