TSTP Solution File: GRP337-1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : GRP337-1 : TPTP v8.1.2. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s

% Computer : n008.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 : Thu Aug 31 00:18:30 EDT 2023

% Result   : Unsatisfiable 0.20s 0.70s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :   32
% Syntax   : Number of formulae    :  131 (  21 unt;  11 typ;   0 def)
%            Number of atoms       :  280 ( 279 equ)
%            Maximal formula atoms :   12 (   2 avg)
%            Number of connectives :  243 (  83   ~; 160   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   2 avg)
%            Maximal term depth    :    4 (   1 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   :   65 (   5 sgn;   0   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    identity: $i ).

tff(decl_23,type,
    multiply: ( $i * $i ) > $i ).

tff(decl_24,type,
    inverse: $i > $i ).

tff(decl_25,type,
    sk_c7: $i ).

tff(decl_26,type,
    sk_c8: $i ).

tff(decl_27,type,
    sk_c6: $i ).

tff(decl_28,type,
    sk_c4: $i ).

tff(decl_29,type,
    sk_c5: $i ).

tff(decl_30,type,
    sk_c1: $i ).

tff(decl_31,type,
    sk_c2: $i ).

tff(decl_32,type,
    sk_c3: $i ).

cnf(associativity,axiom,
    multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',associativity) ).

cnf(left_inverse,axiom,
    multiply(inverse(X1),X1) = identity,
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',left_inverse) ).

cnf(left_identity,axiom,
    multiply(identity,X1) = X1,
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',left_identity) ).

cnf(prove_this_27,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | inverse(sk_c4) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_27) ).

cnf(prove_this_28,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | inverse(sk_c8) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_28) ).

cnf(prove_this_30,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | inverse(sk_c5) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_30) ).

cnf(prove_this_21,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | inverse(sk_c4) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_21) ).

cnf(prove_this_5,negated_conjecture,
    ( multiply(sk_c7,sk_c8) = sk_c6
    | multiply(sk_c5,sk_c6) = sk_c7 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_5) ).

cnf(prove_this_10,negated_conjecture,
    ( inverse(sk_c1) = sk_c8
    | inverse(sk_c8) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_10) ).

cnf(prove_this_12,negated_conjecture,
    ( inverse(sk_c1) = sk_c8
    | inverse(sk_c5) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_12) ).

cnf(prove_this_6,negated_conjecture,
    ( multiply(sk_c7,sk_c8) = sk_c6
    | inverse(sk_c5) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_6) ).

cnf(prove_this_24,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | inverse(sk_c5) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_24) ).

cnf(prove_this_22,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | inverse(sk_c8) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_22) ).

cnf(prove_this_1,negated_conjecture,
    ( multiply(sk_c7,sk_c8) = sk_c6
    | multiply(sk_c7,sk_c6) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_1) ).

cnf(prove_this_19,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | multiply(sk_c7,sk_c6) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_19) ).

cnf(prove_this_18,negated_conjecture,
    ( multiply(sk_c1,sk_c7) = sk_c8
    | inverse(sk_c5) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_18) ).

cnf(prove_this_16,negated_conjecture,
    ( multiply(sk_c1,sk_c7) = sk_c8
    | inverse(sk_c8) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_16) ).

cnf(prove_this_26,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | multiply(sk_c4,sk_c8) = sk_c7 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_26) ).

cnf(prove_this_25,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | multiply(sk_c7,sk_c6) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_25) ).

cnf(prove_this_37,negated_conjecture,
    ( multiply(sk_c7,sk_c8) != sk_c6
    | inverse(X1) != sk_c8
    | multiply(X1,sk_c7) != sk_c8
    | multiply(X2,X3) != sk_c7
    | inverse(X2) != X3
    | multiply(X3,sk_c8) != sk_c7
    | multiply(sk_c7,sk_c6) != sk_c8
    | multiply(X4,sk_c8) != sk_c7
    | inverse(X4) != sk_c8
    | inverse(sk_c8) != sk_c6
    | multiply(X5,sk_c6) != sk_c7
    | inverse(X5) != sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_37) ).

cnf(prove_this_23,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | multiply(sk_c5,sk_c6) = sk_c7 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_23) ).

cnf(c_0_21,axiom,
    multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
    associativity ).

cnf(c_0_22,axiom,
    multiply(inverse(X1),X1) = identity,
    left_inverse ).

cnf(c_0_23,axiom,
    multiply(identity,X1) = X1,
    left_identity ).

cnf(c_0_24,plain,
    multiply(inverse(X1),multiply(X1,X2)) = X2,
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_21,c_0_22]),c_0_23]) ).

cnf(c_0_25,plain,
    multiply(inverse(inverse(X1)),identity) = X1,
    inference(spm,[status(thm)],[c_0_24,c_0_22]) ).

cnf(c_0_26,plain,
    multiply(inverse(inverse(X1)),X2) = multiply(X1,X2),
    inference(spm,[status(thm)],[c_0_24,c_0_24]) ).

cnf(c_0_27,plain,
    multiply(X1,identity) = X1,
    inference(rw,[status(thm)],[c_0_25,c_0_26]) ).

cnf(c_0_28,plain,
    inverse(inverse(X1)) = X1,
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_26,c_0_27]),c_0_27]) ).

cnf(c_0_29,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | inverse(sk_c4) = sk_c8 ),
    prove_this_27 ).

cnf(c_0_30,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | inverse(sk_c8) = sk_c6 ),
    prove_this_28 ).

cnf(c_0_31,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | inverse(sk_c5) = sk_c6 ),
    prove_this_30 ).

cnf(c_0_32,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | inverse(sk_c4) = sk_c8 ),
    prove_this_21 ).

cnf(c_0_33,plain,
    multiply(X1,inverse(X1)) = identity,
    inference(spm,[status(thm)],[c_0_22,c_0_28]) ).

cnf(c_0_34,negated_conjecture,
    ( multiply(sk_c8,sk_c4) = identity
    | inverse(sk_c2) = sk_c3 ),
    inference(spm,[status(thm)],[c_0_22,c_0_29]) ).

cnf(c_0_35,negated_conjecture,
    ( multiply(sk_c7,sk_c8) = sk_c6
    | multiply(sk_c5,sk_c6) = sk_c7 ),
    prove_this_5 ).

cnf(c_0_36,negated_conjecture,
    ( inverse(sk_c1) = sk_c8
    | inverse(sk_c8) = sk_c6 ),
    prove_this_10 ).

cnf(c_0_37,negated_conjecture,
    ( inverse(sk_c1) = sk_c8
    | inverse(sk_c5) = sk_c6 ),
    prove_this_12 ).

cnf(c_0_38,negated_conjecture,
    ( multiply(sk_c3,sk_c2) = identity
    | inverse(sk_c8) = sk_c6 ),
    inference(spm,[status(thm)],[c_0_22,c_0_30]) ).

cnf(c_0_39,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | inverse(sk_c6) = sk_c5 ),
    inference(spm,[status(thm)],[c_0_28,c_0_31]) ).

cnf(c_0_40,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | multiply(sk_c8,sk_c4) = identity ),
    inference(spm,[status(thm)],[c_0_22,c_0_32]) ).

cnf(c_0_41,negated_conjecture,
    ( multiply(sk_c8,sk_c4) = identity
    | multiply(sk_c2,sk_c3) = identity ),
    inference(spm,[status(thm)],[c_0_33,c_0_34]) ).

cnf(c_0_42,plain,
    multiply(inverse(multiply(X1,X2)),multiply(X1,multiply(X2,X3))) = X3,
    inference(spm,[status(thm)],[c_0_24,c_0_21]) ).

cnf(c_0_43,negated_conjecture,
    ( multiply(inverse(sk_c5),sk_c7) = sk_c6
    | multiply(sk_c7,sk_c8) = sk_c6 ),
    inference(spm,[status(thm)],[c_0_24,c_0_35]) ).

cnf(c_0_44,negated_conjecture,
    ( multiply(sk_c7,sk_c8) = sk_c6
    | inverse(sk_c5) = sk_c6 ),
    prove_this_6 ).

cnf(c_0_45,negated_conjecture,
    ( multiply(sk_c8,sk_c1) = identity
    | inverse(sk_c8) = sk_c6 ),
    inference(spm,[status(thm)],[c_0_22,c_0_36]) ).

cnf(c_0_46,negated_conjecture,
    ( inverse(sk_c1) = sk_c8
    | inverse(sk_c6) = sk_c5 ),
    inference(spm,[status(thm)],[c_0_28,c_0_37]) ).

cnf(c_0_47,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | inverse(sk_c5) = sk_c6 ),
    prove_this_24 ).

cnf(c_0_48,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | inverse(sk_c8) = sk_c6 ),
    prove_this_22 ).

cnf(c_0_49,negated_conjecture,
    ( multiply(sk_c3,sk_c2) = identity
    | inverse(sk_c6) = sk_c8 ),
    inference(spm,[status(thm)],[c_0_28,c_0_38]) ).

cnf(c_0_50,negated_conjecture,
    ( multiply(sk_c3,sk_c2) = identity
    | inverse(sk_c6) = sk_c5 ),
    inference(spm,[status(thm)],[c_0_22,c_0_39]) ).

cnf(c_0_51,negated_conjecture,
    ( multiply(sk_c8,sk_c4) = identity
    | sk_c7 = identity ),
    inference(spm,[status(thm)],[c_0_40,c_0_41]) ).

cnf(c_0_52,negated_conjecture,
    ( multiply(sk_c7,sk_c8) = sk_c6
    | multiply(sk_c7,sk_c6) = sk_c8 ),
    prove_this_1 ).

cnf(c_0_53,plain,
    multiply(inverse(multiply(X1,X2)),X1) = inverse(X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_33]),c_0_27]) ).

cnf(c_0_54,negated_conjecture,
    ( multiply(sk_c7,sk_c8) = sk_c6
    | multiply(sk_c6,sk_c7) = sk_c6 ),
    inference(spm,[status(thm)],[c_0_43,c_0_44]) ).

cnf(c_0_55,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | multiply(sk_c7,sk_c6) = sk_c8 ),
    prove_this_19 ).

cnf(c_0_56,negated_conjecture,
    ( multiply(sk_c1,sk_c7) = sk_c8
    | inverse(sk_c5) = sk_c6 ),
    prove_this_18 ).

cnf(c_0_57,negated_conjecture,
    ( multiply(sk_c1,sk_c7) = sk_c8
    | inverse(sk_c8) = sk_c6 ),
    prove_this_16 ).

cnf(c_0_58,negated_conjecture,
    ( multiply(sk_c8,sk_c1) = identity
    | inverse(sk_c6) = sk_c8 ),
    inference(spm,[status(thm)],[c_0_28,c_0_45]) ).

cnf(c_0_59,negated_conjecture,
    ( multiply(sk_c8,sk_c1) = identity
    | inverse(sk_c6) = sk_c5 ),
    inference(spm,[status(thm)],[c_0_22,c_0_46]) ).

cnf(c_0_60,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | inverse(sk_c6) = sk_c5 ),
    inference(spm,[status(thm)],[c_0_28,c_0_47]) ).

cnf(c_0_61,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | inverse(sk_c6) = sk_c8 ),
    inference(spm,[status(thm)],[c_0_28,c_0_48]) ).

cnf(c_0_62,negated_conjecture,
    ( multiply(sk_c3,sk_c2) = identity
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_49,c_0_50]) ).

cnf(c_0_63,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | multiply(sk_c4,sk_c8) = sk_c7 ),
    prove_this_26 ).

cnf(c_0_64,negated_conjecture,
    ( inverse(sk_c8) = sk_c4
    | sk_c7 = identity ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_51]),c_0_27]) ).

cnf(c_0_65,negated_conjecture,
    ( multiply(inverse(sk_c7),sk_c8) = sk_c6
    | multiply(sk_c7,sk_c8) = sk_c6 ),
    inference(spm,[status(thm)],[c_0_24,c_0_52]) ).

cnf(c_0_66,negated_conjecture,
    ( multiply(sk_c7,sk_c8) = sk_c6
    | inverse(sk_c7) = identity ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_54]),c_0_22]) ).

cnf(c_0_67,negated_conjecture,
    ( multiply(inverse(sk_c2),sk_c7) = sk_c3
    | multiply(sk_c7,sk_c6) = sk_c8 ),
    inference(spm,[status(thm)],[c_0_24,c_0_55]) ).

cnf(c_0_68,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | multiply(sk_c7,sk_c6) = sk_c8 ),
    prove_this_25 ).

cnf(c_0_69,negated_conjecture,
    ( multiply(sk_c1,sk_c7) = sk_c8
    | inverse(sk_c6) = sk_c5 ),
    inference(spm,[status(thm)],[c_0_28,c_0_56]) ).

cnf(c_0_70,negated_conjecture,
    ( multiply(sk_c1,sk_c7) = sk_c8
    | inverse(sk_c6) = sk_c8 ),
    inference(spm,[status(thm)],[c_0_28,c_0_57]) ).

cnf(c_0_71,negated_conjecture,
    ( multiply(sk_c8,sk_c1) = identity
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_58,c_0_59]) ).

cnf(c_0_72,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_60,c_0_61]) ).

cnf(c_0_73,negated_conjecture,
    ( inverse(sk_c3) = sk_c2
    | sk_c5 = sk_c8 ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_62]),c_0_27]) ).

cnf(c_0_74,negated_conjecture,
    ( multiply(sk_c7,sk_c8) != sk_c6
    | inverse(X1) != sk_c8
    | multiply(X1,sk_c7) != sk_c8
    | multiply(X2,X3) != sk_c7
    | inverse(X2) != X3
    | multiply(X3,sk_c8) != sk_c7
    | multiply(sk_c7,sk_c6) != sk_c8
    | multiply(X4,sk_c8) != sk_c7
    | inverse(X4) != sk_c8
    | inverse(sk_c8) != sk_c6
    | multiply(X5,sk_c6) != sk_c7
    | inverse(X5) != sk_c6 ),
    prove_this_37 ).

cnf(c_0_75,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | multiply(sk_c5,sk_c6) = sk_c7 ),
    prove_this_23 ).

cnf(c_0_76,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | multiply(sk_c5,sk_c6) = identity ),
    inference(spm,[status(thm)],[c_0_33,c_0_47]) ).

cnf(c_0_77,negated_conjecture,
    ( multiply(sk_c4,sk_c8) = sk_c7
    | multiply(sk_c2,sk_c3) = identity ),
    inference(spm,[status(thm)],[c_0_33,c_0_63]) ).

cnf(c_0_78,negated_conjecture,
    ( multiply(sk_c4,sk_c8) = identity
    | sk_c7 = identity ),
    inference(spm,[status(thm)],[c_0_22,c_0_64]) ).

cnf(c_0_79,negated_conjecture,
    ( multiply(sk_c7,sk_c8) = sk_c6
    | sk_c6 = sk_c8 ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_65,c_0_66]),c_0_23]) ).

cnf(c_0_80,negated_conjecture,
    ( multiply(sk_c7,sk_c6) = sk_c8
    | multiply(sk_c3,sk_c7) = sk_c3 ),
    inference(spm,[status(thm)],[c_0_67,c_0_68]) ).

cnf(c_0_81,negated_conjecture,
    ( multiply(sk_c1,sk_c7) = sk_c8
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_69,c_0_70]) ).

cnf(c_0_82,negated_conjecture,
    ( inverse(sk_c8) = sk_c1
    | sk_c5 = sk_c8 ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_71]),c_0_27]) ).

cnf(c_0_83,negated_conjecture,
    ( multiply(inverse(sk_c2),sk_c7) = sk_c3
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_24,c_0_72]) ).

cnf(c_0_84,negated_conjecture,
    ( inverse(sk_c2) = sk_c3
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_28,c_0_73]) ).

cnf(c_0_85,negated_conjecture,
    ( multiply(inverse(X1),sk_c8) != sk_c7
    | multiply(sk_c7,sk_c8) != sk_c6
    | multiply(sk_c7,sk_c6) != sk_c8
    | multiply(X1,inverse(X1)) != sk_c7
    | multiply(X2,sk_c6) != sk_c7
    | multiply(X3,sk_c8) != sk_c7
    | multiply(X4,sk_c7) != sk_c8
    | inverse(sk_c8) != sk_c6
    | inverse(X2) != sk_c6
    | inverse(X3) != sk_c8
    | inverse(X4) != sk_c8 ),
    inference(er,[status(thm)],[c_0_74]) ).

cnf(c_0_86,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = sk_c7
    | sk_c7 = identity ),
    inference(spm,[status(thm)],[c_0_75,c_0_76]) ).

cnf(c_0_87,negated_conjecture,
    ( multiply(sk_c2,sk_c3) = identity
    | sk_c7 = identity ),
    inference(spm,[status(thm)],[c_0_77,c_0_78]) ).

cnf(c_0_88,negated_conjecture,
    ( multiply(inverse(sk_c7),sk_c6) = sk_c8
    | sk_c6 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_24,c_0_79]) ).

cnf(c_0_89,negated_conjecture,
    ( multiply(sk_c7,sk_c6) = sk_c8
    | inverse(sk_c7) = identity ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_80]),c_0_22]) ).

cnf(c_0_90,negated_conjecture,
    ( multiply(inverse(sk_c1),sk_c8) = sk_c7
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_24,c_0_81]) ).

cnf(c_0_91,negated_conjecture,
    ( inverse(sk_c1) = sk_c8
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_28,c_0_82]) ).

cnf(c_0_92,negated_conjecture,
    ( multiply(sk_c3,sk_c7) = sk_c3
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_83,c_0_84]) ).

cnf(c_0_93,negated_conjecture,
    ( multiply(inverse(X1),sk_c8) != sk_c7
    | multiply(sk_c7,sk_c8) != sk_c6
    | multiply(sk_c7,sk_c6) != sk_c8
    | multiply(X2,sk_c6) != sk_c7
    | multiply(X3,sk_c8) != sk_c7
    | multiply(X4,sk_c7) != sk_c8
    | inverse(sk_c8) != sk_c6
    | inverse(X2) != sk_c6
    | inverse(X3) != sk_c8
    | inverse(X4) != sk_c8
    | sk_c7 != identity ),
    inference(rw,[status(thm)],[c_0_85,c_0_33]) ).

cnf(c_0_94,negated_conjecture,
    sk_c7 = identity,
    inference(spm,[status(thm)],[c_0_86,c_0_87]) ).

cnf(c_0_95,negated_conjecture,
    ( multiply(sk_c7,sk_c6) = sk_c8
    | sk_c6 = sk_c8 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_88,c_0_89]),c_0_23])]) ).

cnf(c_0_96,negated_conjecture,
    ( multiply(sk_c8,sk_c8) = sk_c7
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_90,c_0_91]) ).

cnf(c_0_97,negated_conjecture,
    ( multiply(sk_c7,X1) = X1
    | sk_c5 = sk_c8 ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_92]),c_0_24]) ).

cnf(c_0_98,negated_conjecture,
    ( multiply(inverse(X1),sk_c8) != identity
    | multiply(X2,sk_c6) != identity
    | multiply(X3,sk_c8) != identity
    | inverse(sk_c8) != sk_c6
    | inverse(sk_c8) != sk_c8
    | inverse(X2) != sk_c6
    | inverse(X3) != sk_c8
    | sk_c6 != sk_c8 ),
    inference(er,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_93,c_0_94]),c_0_94]),c_0_23]),c_0_94]),c_0_23]),c_0_94]),c_0_94]),c_0_94]),c_0_27]),c_0_94])])]) ).

cnf(c_0_99,negated_conjecture,
    sk_c6 = sk_c8,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_95,c_0_94]),c_0_23])]) ).

cnf(c_0_100,negated_conjecture,
    ( multiply(inverse(sk_c8),sk_c7) = sk_c8
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_24,c_0_96]) ).

cnf(c_0_101,negated_conjecture,
    ( multiply(inverse(X1),sk_c7) = inverse(X1)
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_53,c_0_97]) ).

cnf(c_0_102,negated_conjecture,
    ( multiply(inverse(X1),sk_c8) != identity
    | multiply(X2,sk_c8) != identity
    | multiply(X3,sk_c8) != identity
    | inverse(sk_c8) != sk_c8
    | inverse(X2) != sk_c8
    | inverse(X3) != sk_c8 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_98,c_0_99]),c_0_99]),c_0_99]),c_0_99])]) ).

cnf(c_0_103,negated_conjecture,
    ( inverse(sk_c8) = sk_c8
    | sk_c5 = sk_c8 ),
    inference(spm,[status(thm)],[c_0_100,c_0_101]) ).

cnf(c_0_104,negated_conjecture,
    ( sk_c5 = sk_c8
    | multiply(inverse(X1),sk_c8) != identity
    | multiply(X2,sk_c8) != identity
    | multiply(X3,sk_c8) != identity
    | inverse(X2) != sk_c8
    | inverse(X3) != sk_c8 ),
    inference(spm,[status(thm)],[c_0_102,c_0_103]) ).

cnf(c_0_105,negated_conjecture,
    ( sk_c5 = sk_c8
    | multiply(X1,sk_c8) != identity
    | multiply(X2,sk_c8) != identity
    | inverse(X1) != sk_c8
    | inverse(X2) != sk_c8 ),
    inference(spm,[status(thm)],[c_0_104,c_0_22]) ).

cnf(c_0_106,negated_conjecture,
    ( inverse(sk_c6) = sk_c5
    | inverse(sk_c8) = sk_c1 ),
    inference(spm,[status(thm)],[c_0_28,c_0_46]) ).

cnf(c_0_107,negated_conjecture,
    ( sk_c5 = sk_c8
    | multiply(X1,sk_c8) != identity
    | inverse(X1) != sk_c8 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_105,c_0_22]),c_0_28])]) ).

cnf(c_0_108,negated_conjecture,
    ( multiply(sk_c5,multiply(sk_c6,X1)) = X1
    | inverse(sk_c8) = sk_c1 ),
    inference(spm,[status(thm)],[c_0_24,c_0_106]) ).

cnf(c_0_109,negated_conjecture,
    sk_c5 = sk_c8,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(er,[status(thm)],[inference(spm,[status(thm)],[c_0_107,c_0_28])]),c_0_22])]) ).

cnf(c_0_110,plain,
    multiply(X1,inverse(multiply(X2,X1))) = inverse(X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_53]),c_0_28]) ).

cnf(c_0_111,negated_conjecture,
    ( multiply(sk_c8,multiply(sk_c8,X1)) = X1
    | inverse(sk_c8) = sk_c1 ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_108,c_0_109]),c_0_99]) ).

cnf(c_0_112,negated_conjecture,
    ( inverse(sk_c8) = sk_c1
    | inverse(sk_c8) = sk_c8 ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_110,c_0_111]),c_0_21]),c_0_33]),c_0_27]) ).

cnf(c_0_113,negated_conjecture,
    ( inverse(sk_c8) = sk_c8
    | sk_c1 != sk_c8 ),
    inference(ef,[status(thm)],[c_0_112]) ).

cnf(c_0_114,negated_conjecture,
    inverse(sk_c8) = sk_c8,
    inference(csr,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_70,c_0_94]),c_0_27]),c_0_99]),c_0_113]) ).

cnf(c_0_115,negated_conjecture,
    ( multiply(inverse(X1),sk_c8) != identity
    | multiply(X2,sk_c8) != identity
    | multiply(X3,sk_c8) != identity
    | inverse(X2) != sk_c8
    | inverse(X3) != sk_c8 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_102,c_0_114])]) ).

cnf(c_0_116,negated_conjecture,
    multiply(sk_c8,sk_c8) = identity,
    inference(spm,[status(thm)],[c_0_22,c_0_114]) ).

cnf(c_0_117,negated_conjecture,
    ( multiply(X1,sk_c8) != identity
    | multiply(X2,sk_c8) != identity
    | inverse(X1) != sk_c8
    | inverse(X2) != sk_c8 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_115,c_0_114]),c_0_116])]) ).

cnf(c_0_118,negated_conjecture,
    ( multiply(X1,sk_c8) != identity
    | inverse(X1) != sk_c8 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_117,c_0_116]),c_0_114])]) ).

cnf(c_0_119,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_118,c_0_114]),c_0_116])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : GRP337-1 : TPTP v8.1.2. Released v2.5.0.
% 0.00/0.14  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.13/0.35  % Computer : n008.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Mon Aug 28 21:48:47 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.20/0.57  start to proof: theBenchmark
% 0.20/0.70  % Version  : CSE_E---1.5
% 0.20/0.70  % Problem  : theBenchmark.p
% 0.20/0.70  % Proof found
% 0.20/0.70  % SZS status Theorem for theBenchmark.p
% 0.20/0.70  % SZS output start Proof
% See solution above
% 0.20/0.72  % Total time : 0.120000 s
% 0.20/0.72  % SZS output end Proof
% 0.20/0.72  % Total time : 0.124000 s
%------------------------------------------------------------------------------