%------------------------------------------------------------------------------
% File : E-SAT---3.5.1
% Problem : GRP266-1 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n015.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 12:43:02 PM UTC 2026
% Result : Unsatisfiable 0.66s 0.53s
% Output : CNFRefutation 0.66s
% Verified :
% SZS Type : Refutation
% Derivation depth : 34
% Number of leaves : 21
% Syntax : Number of clauses : 127 ( 21 unt; 88 nHn; 110 RR)
% Number of literals : 370 ( 369 equ; 163 neg)
% Maximal clause size : 14 ( 2 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 14 ( 14 usr; 12 con; 0-2 aty)
% Number of variables : 107 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(associativity,axiom,
multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',associativity) ).
cnf(left_inverse,axiom,
multiply(inverse(X1),X1) = identity,
file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_inverse) ).
cnf(left_identity,axiom,
multiply(identity,X1) = X1,
file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_identity) ).
cnf(prove_this_17,negated_conjecture,
( multiply(sk_c6,sk_c9) = sk_c10
| multiply(sk_c2,sk_c9) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_17) ).
cnf(prove_this_3,negated_conjecture,
( multiply(sk_c6,sk_c9) = sk_c10
| multiply(sk_c1,sk_c11) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_3) ).
cnf(prove_this_24,negated_conjecture,
( multiply(sk_c6,sk_c9) = sk_c10
| inverse(sk_c2) = sk_c9 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_24) ).
cnf(prove_this_4,negated_conjecture,
( inverse(sk_c6) = sk_c9
| multiply(sk_c1,sk_c11) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_4) ).
cnf(prove_this_11,negated_conjecture,
( inverse(sk_c6) = sk_c9
| inverse(sk_c1) = sk_c11 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_11) ).
cnf(prove_this_48,negated_conjecture,
( multiply(sk_c7,sk_c9) = sk_c8
| inverse(sk_c3) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_48) ).
cnf(prove_this_49,negated_conjecture,
( inverse(sk_c7) = sk_c9
| inverse(sk_c3) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_49) ).
cnf(prove_this_50,negated_conjecture,
( inverse(X8) != sk_c9
| multiply(X8,sk_c9) != X7
| multiply(sk_c9,X7) != sk_c10
| inverse(X6) != sk_c9
| multiply(X6,sk_c9) != sk_c10
| inverse(X5) != sk_c11
| multiply(X5,sk_c11) != sk_c10
| inverse(X4) != sk_c10
| multiply(X4,sk_c10) != X3
| multiply(sk_c10,X3) != sk_c9
| inverse(X2) != sk_c9
| multiply(X2,sk_c9) != sk_c10
| inverse(X1) != sk_c11
| multiply(X1,sk_c11) != sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_50) ).
cnf(prove_this_47,negated_conjecture,
( multiply(sk_c9,sk_c8) = sk_c10
| inverse(sk_c3) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_47) ).
cnf(prove_this_46,negated_conjecture,
( inverse(sk_c6) = sk_c9
| inverse(sk_c3) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_46) ).
cnf(prove_this_40,negated_conjecture,
( multiply(sk_c9,sk_c8) = sk_c10
| multiply(sk_c3,sk_c10) = sk_c4 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_40) ).
cnf(prove_this_33,negated_conjecture,
( multiply(sk_c9,sk_c8) = sk_c10
| multiply(sk_c10,sk_c4) = sk_c9 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_33) ).
cnf(prove_this_44,negated_conjecture,
( inverse(sk_c5) = sk_c11
| inverse(sk_c3) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_44) ).
cnf(prove_this_43,negated_conjecture,
( multiply(sk_c5,sk_c11) = sk_c10
| inverse(sk_c3) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_43) ).
cnf(prove_this_41,negated_conjecture,
( multiply(sk_c7,sk_c9) = sk_c8
| multiply(sk_c3,sk_c10) = sk_c4 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_41) ).
cnf(prove_this_34,negated_conjecture,
( multiply(sk_c7,sk_c9) = sk_c8
| multiply(sk_c10,sk_c4) = sk_c9 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_34) ).
cnf(prove_this_35,negated_conjecture,
( inverse(sk_c7) = sk_c9
| multiply(sk_c10,sk_c4) = sk_c9 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_35) ).
cnf(prove_this_42,negated_conjecture,
( inverse(sk_c7) = sk_c9
| multiply(sk_c3,sk_c10) = sk_c4 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_42) ).
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,negated_conjecture,
( multiply(sk_c6,sk_c9) = sk_c10
| multiply(sk_c2,sk_c9) = sk_c10 ),
prove_this_17 ).
cnf(c_0_26,negated_conjecture,
( multiply(sk_c6,sk_c9) = sk_c10
| multiply(sk_c1,sk_c11) = sk_c10 ),
prove_this_3 ).
cnf(c_0_27,negated_conjecture,
( multiply(sk_c6,sk_c9) = sk_c10
| multiply(inverse(sk_c2),sk_c10) = sk_c9 ),
inference(spm,[status(thm)],[c_0_24,c_0_25]) ).
cnf(c_0_28,negated_conjecture,
( multiply(sk_c6,sk_c9) = sk_c10
| inverse(sk_c2) = sk_c9 ),
prove_this_24 ).
cnf(c_0_29,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| multiply(inverse(sk_c6),sk_c10) = sk_c9 ),
inference(spm,[status(thm)],[c_0_24,c_0_26]) ).
cnf(c_0_30,negated_conjecture,
( inverse(sk_c6) = sk_c9
| multiply(sk_c1,sk_c11) = sk_c10 ),
prove_this_4 ).
cnf(c_0_31,negated_conjecture,
( multiply(sk_c9,sk_c10) = sk_c9
| multiply(sk_c6,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_27,c_0_28]) ).
cnf(c_0_32,negated_conjecture,
( multiply(sk_c9,sk_c10) = sk_c9
| multiply(sk_c1,sk_c11) = sk_c10 ),
inference(spm,[status(thm)],[c_0_29,c_0_30]) ).
cnf(c_0_33,negated_conjecture,
( multiply(sk_c9,sk_c10) = sk_c9
| multiply(inverse(sk_c6),sk_c10) = sk_c9 ),
inference(spm,[status(thm)],[c_0_24,c_0_31]) ).
cnf(c_0_34,negated_conjecture,
( inverse(sk_c6) = sk_c9
| inverse(sk_c1) = sk_c11 ),
prove_this_11 ).
cnf(c_0_35,negated_conjecture,
( multiply(sk_c9,sk_c10) = sk_c9
| multiply(inverse(sk_c1),sk_c10) = sk_c11 ),
inference(spm,[status(thm)],[c_0_24,c_0_32]) ).
cnf(c_0_36,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c9,sk_c10) = sk_c9 ),
inference(spm,[status(thm)],[c_0_33,c_0_34]) ).
cnf(c_0_37,negated_conjecture,
( multiply(sk_c11,sk_c10) = sk_c11
| multiply(sk_c9,sk_c10) = sk_c9 ),
inference(spm,[status(thm)],[c_0_35,c_0_36]) ).
cnf(c_0_38,negated_conjecture,
( identity = sk_c10
| multiply(sk_c9,sk_c10) = sk_c9 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_37]),c_0_22]) ).
cnf(c_0_39,negated_conjecture,
( multiply(sk_c7,sk_c9) = sk_c8
| inverse(sk_c3) = sk_c10 ),
prove_this_48 ).
cnf(c_0_40,negated_conjecture,
identity = sk_c10,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_38]),c_0_22])]) ).
cnf(c_0_41,negated_conjecture,
( inverse(sk_c7) = sk_c9
| inverse(sk_c3) = sk_c10 ),
prove_this_49 ).
cnf(c_0_42,negated_conjecture,
( inverse(X8) != sk_c9
| multiply(X8,sk_c9) != X7
| multiply(sk_c9,X7) != sk_c10
| inverse(X6) != sk_c9
| multiply(X6,sk_c9) != sk_c10
| inverse(X5) != sk_c11
| multiply(X5,sk_c11) != sk_c10
| inverse(X4) != sk_c10
| multiply(X4,sk_c10) != X3
| multiply(sk_c10,X3) != sk_c9
| inverse(X2) != sk_c9
| multiply(X2,sk_c9) != sk_c10
| inverse(X1) != sk_c11
| multiply(X1,sk_c11) != sk_c10 ),
inference(fof_simplification,[status(thm)],[prove_this_50]) ).
cnf(c_0_43,negated_conjecture,
( multiply(sk_c10,sk_c3) = identity
| multiply(sk_c7,sk_c9) = sk_c8 ),
inference(spm,[status(thm)],[c_0_22,c_0_39]) ).
cnf(c_0_44,plain,
multiply(sk_c10,X1) = X1,
inference(rw,[status(thm)],[c_0_23,c_0_40]) ).
cnf(c_0_45,negated_conjecture,
( inverse(sk_c7) = sk_c9
| multiply(sk_c10,sk_c3) = identity ),
inference(spm,[status(thm)],[c_0_22,c_0_41]) ).
cnf(c_0_46,negated_conjecture,
( inverse(X8) != sk_c9
| multiply(X8,sk_c9) != X7
| multiply(sk_c9,X7) != sk_c10
| inverse(X6) != sk_c9
| multiply(X6,sk_c9) != sk_c10
| inverse(X5) != sk_c11
| multiply(X5,sk_c11) != sk_c10
| inverse(X4) != sk_c10
| multiply(X4,sk_c10) != X3
| multiply(sk_c10,X3) != sk_c9
| inverse(X2) != sk_c9
| multiply(X2,sk_c9) != sk_c10
| inverse(X1) != sk_c11
| multiply(X1,sk_c11) != sk_c10 ),
c_0_42 ).
cnf(c_0_47,negated_conjecture,
( multiply(sk_c9,sk_c8) = sk_c10
| inverse(sk_c3) = sk_c10 ),
prove_this_47 ).
cnf(c_0_48,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c7,sk_c9) = sk_c8 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_43,c_0_40]),c_0_44]) ).
cnf(c_0_49,negated_conjecture,
( inverse(sk_c7) = sk_c9
| multiply(sk_c10,sk_c3) = sk_c10 ),
inference(rw,[status(thm)],[c_0_45,c_0_40]) ).
cnf(c_0_50,negated_conjecture,
( inverse(sk_c6) = sk_c9
| inverse(sk_c3) = sk_c10 ),
prove_this_46 ).
cnf(c_0_51,negated_conjecture,
( inverse(X6) != sk_c11
| inverse(X5) != sk_c9
| inverse(X1) != sk_c10
| inverse(X4) != sk_c11
| inverse(X3) != sk_c9
| inverse(X2) != sk_c9
| multiply(X6,sk_c11) != sk_c10
| multiply(X5,sk_c9) != sk_c10
| multiply(X4,sk_c11) != sk_c10
| multiply(X3,sk_c9) != sk_c10
| multiply(sk_c9,multiply(X2,sk_c9)) != sk_c10
| multiply(sk_c10,multiply(X1,sk_c10)) != sk_c9 ),
inference(er,[status(thm)],[inference(er,[status(thm)],[c_0_46])]) ).
cnf(c_0_52,negated_conjecture,
( multiply(sk_c10,sk_c3) = identity
| multiply(sk_c9,sk_c8) = sk_c10 ),
inference(spm,[status(thm)],[c_0_22,c_0_47]) ).
cnf(c_0_53,negated_conjecture,
( sk_c3 = sk_c10
| multiply(inverse(sk_c7),sk_c8) = sk_c9 ),
inference(spm,[status(thm)],[c_0_24,c_0_48]) ).
cnf(c_0_54,negated_conjecture,
( sk_c3 = sk_c10
| inverse(sk_c7) = sk_c9 ),
inference(rw,[status(thm)],[c_0_49,c_0_44]) ).
cnf(c_0_55,negated_conjecture,
( inverse(sk_c6) = sk_c9
| multiply(sk_c10,sk_c3) = identity ),
inference(spm,[status(thm)],[c_0_22,c_0_50]) ).
cnf(c_0_56,negated_conjecture,
( inverse(X6) != sk_c11
| inverse(X5) != sk_c9
| inverse(X2) != sk_c10
| inverse(X4) != sk_c11
| inverse(X3) != sk_c9
| inverse(X1) != sk_c9
| multiply(X6,sk_c11) != sk_c10
| multiply(X5,sk_c9) != sk_c10
| multiply(X4,sk_c11) != sk_c10
| multiply(X3,sk_c9) != sk_c10
| multiply(X2,sk_c10) != sk_c9
| multiply(sk_c9,multiply(X1,sk_c9)) != sk_c10 ),
inference(rw,[status(thm)],[c_0_51,c_0_44]) ).
cnf(c_0_57,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c9,sk_c8) = sk_c10 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_52,c_0_40]),c_0_44]) ).
cnf(c_0_58,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c9,sk_c8) = sk_c9 ),
inference(spm,[status(thm)],[c_0_53,c_0_54]) ).
cnf(c_0_59,negated_conjecture,
( inverse(sk_c6) = sk_c9
| multiply(sk_c10,sk_c3) = sk_c10 ),
inference(rw,[status(thm)],[c_0_55,c_0_40]) ).
cnf(c_0_60,negated_conjecture,
( inverse(X5) != sk_c11
| inverse(X4) != sk_c9
| inverse(X1) != sk_c10
| inverse(X3) != sk_c11
| inverse(X2) != sk_c9
| multiply(X5,sk_c11) != sk_c10
| multiply(X4,sk_c9) != sk_c10
| multiply(X3,sk_c11) != sk_c10
| multiply(X2,sk_c9) != sk_c10
| multiply(X1,sk_c10) != sk_c9
| sk_c3 = sk_c10 ),
inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_48]),c_0_54]),c_0_57]) ).
cnf(c_0_61,negated_conjecture,
( sk_c8 = sk_c10
| sk_c3 = sk_c10 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_58]),c_0_22]),c_0_40]) ).
cnf(c_0_62,plain,
multiply(inverse(X1),X1) = sk_c10,
inference(rw,[status(thm)],[c_0_22,c_0_40]) ).
cnf(c_0_63,negated_conjecture,
( sk_c3 = sk_c10
| inverse(sk_c6) = sk_c9 ),
inference(rw,[status(thm)],[c_0_59,c_0_44]) ).
cnf(c_0_64,negated_conjecture,
( multiply(sk_c9,sk_c8) = sk_c10
| multiply(sk_c3,sk_c10) = sk_c4 ),
prove_this_40 ).
cnf(c_0_65,negated_conjecture,
( inverse(X6) != sk_c11
| inverse(X5) != sk_c9
| inverse(X4) != sk_c11
| inverse(X3) != sk_c9
| multiply(X6,sk_c11) != sk_c10
| multiply(X5,sk_c9) != sk_c10
| multiply(X4,sk_c11) != sk_c10
| multiply(X3,sk_c9) != sk_c10
| inverse(multiply(X1,X2)) != sk_c10
| multiply(X1,multiply(X2,sk_c10)) != sk_c9
| sk_c3 = sk_c10 ),
inference(spm,[status(thm)],[c_0_60,c_0_21]) ).
cnf(c_0_66,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c9,sk_c10) = sk_c10 ),
inference(spm,[status(thm)],[c_0_57,c_0_61]) ).
cnf(c_0_67,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c9,sk_c6) = sk_c10 ),
inference(spm,[status(thm)],[c_0_62,c_0_63]) ).
cnf(c_0_68,negated_conjecture,
( multiply(sk_c9,sk_c8) = sk_c10
| multiply(inverse(sk_c3),sk_c4) = sk_c10 ),
inference(spm,[status(thm)],[c_0_24,c_0_64]) ).
cnf(c_0_69,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c9,sk_c7) = sk_c10 ),
inference(spm,[status(thm)],[c_0_62,c_0_54]) ).
cnf(c_0_70,negated_conjecture,
( inverse(X5) != sk_c11
| inverse(X4) != sk_c9
| inverse(X3) != sk_c11
| inverse(X2) != sk_c9
| multiply(X5,sk_c11) != sk_c10
| multiply(X4,sk_c9) != sk_c10
| multiply(X3,sk_c11) != sk_c10
| multiply(X2,sk_c9) != sk_c10
| multiply(X1,sk_c10) != sk_c9
| inverse(multiply(X1,sk_c9)) != sk_c10
| sk_c3 = sk_c10 ),
inference(spm,[status(thm)],[c_0_65,c_0_66]) ).
cnf(c_0_71,negated_conjecture,
( sk_c3 = sk_c10
| multiply(inverse(sk_c9),sk_c10) = sk_c8 ),
inference(spm,[status(thm)],[c_0_24,c_0_57]) ).
cnf(c_0_72,negated_conjecture,
( sk_c3 = sk_c10
| multiply(inverse(sk_c9),sk_c10) = sk_c6 ),
inference(spm,[status(thm)],[c_0_24,c_0_67]) ).
cnf(c_0_73,negated_conjecture,
( multiply(sk_c9,sk_c8) = sk_c10
| multiply(sk_c10,sk_c4) = sk_c9 ),
prove_this_33 ).
cnf(c_0_74,negated_conjecture,
( multiply(sk_c10,sk_c4) = sk_c10
| multiply(sk_c9,sk_c8) = sk_c10 ),
inference(spm,[status(thm)],[c_0_68,c_0_47]) ).
cnf(c_0_75,negated_conjecture,
( sk_c3 = sk_c10
| multiply(inverse(sk_c9),sk_c10) = sk_c7 ),
inference(spm,[status(thm)],[c_0_24,c_0_69]) ).
cnf(c_0_76,negated_conjecture,
( inverse(X4) != sk_c11
| inverse(X3) != sk_c9
| inverse(X2) != sk_c11
| inverse(X1) != sk_c9
| inverse(sk_c8) != sk_c10
| multiply(X4,sk_c11) != sk_c10
| multiply(X3,sk_c9) != sk_c10
| multiply(X2,sk_c11) != sk_c10
| multiply(X1,sk_c9) != sk_c10
| multiply(sk_c7,sk_c10) != sk_c9
| sk_c3 = sk_c10 ),
inference(spm,[status(thm)],[c_0_70,c_0_48]) ).
cnf(c_0_77,negated_conjecture,
( sk_c8 = sk_c6
| sk_c3 = sk_c10 ),
inference(spm,[status(thm)],[c_0_71,c_0_72]) ).
cnf(c_0_78,negated_conjecture,
( sk_c10 = sk_c9
| multiply(sk_c9,sk_c8) = sk_c10 ),
inference(spm,[status(thm)],[c_0_73,c_0_74]) ).
cnf(c_0_79,negated_conjecture,
( sk_c8 = sk_c7
| sk_c3 = sk_c10 ),
inference(spm,[status(thm)],[c_0_71,c_0_75]) ).
cnf(c_0_80,negated_conjecture,
( inverse(X4) != sk_c11
| inverse(X3) != sk_c9
| inverse(X2) != sk_c11
| inverse(X1) != sk_c9
| inverse(sk_c6) != sk_c10
| multiply(X4,sk_c11) != sk_c10
| multiply(X3,sk_c9) != sk_c10
| multiply(X2,sk_c11) != sk_c10
| multiply(X1,sk_c9) != sk_c10
| multiply(sk_c7,sk_c10) != sk_c9
| sk_c3 = sk_c10 ),
inference(spm,[status(thm)],[c_0_76,c_0_77]) ).
cnf(c_0_81,negated_conjecture,
( sk_c10 = sk_c9
| sk_c3 = sk_c10 ),
inference(spm,[status(thm)],[c_0_78,c_0_58]) ).
cnf(c_0_82,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_83,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c9,sk_c7) = sk_c9 ),
inference(spm,[status(thm)],[c_0_58,c_0_79]) ).
cnf(c_0_84,negated_conjecture,
( inverse(sk_c5) = sk_c11
| inverse(sk_c3) = sk_c10 ),
prove_this_44 ).
cnf(c_0_85,negated_conjecture,
( inverse(X4) != sk_c11
| inverse(X3) != sk_c9
| inverse(X2) != sk_c11
| inverse(X1) != sk_c9
| multiply(X4,sk_c11) != sk_c10
| multiply(X3,sk_c9) != sk_c10
| multiply(X2,sk_c11) != sk_c10
| multiply(X1,sk_c9) != sk_c10
| multiply(sk_c7,sk_c10) != sk_c9
| sk_c3 = sk_c10 ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_80,c_0_63]),c_0_81]) ).
cnf(c_0_86,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c7,X1) = X1 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_82,c_0_83]),c_0_24]) ).
cnf(c_0_87,negated_conjecture,
( sk_c3 = sk_c10
| multiply(inverse(sk_c7),sk_c10) = sk_c9 ),
inference(spm,[status(thm)],[c_0_53,c_0_61]) ).
cnf(c_0_88,plain,
multiply(inverse(inverse(X1)),X2) = multiply(X1,X2),
inference(spm,[status(thm)],[c_0_24,c_0_24]) ).
cnf(c_0_89,negated_conjecture,
( multiply(sk_c5,sk_c11) = sk_c10
| inverse(sk_c3) = sk_c10 ),
prove_this_43 ).
cnf(c_0_90,negated_conjecture,
( inverse(sk_c5) = sk_c11
| multiply(sk_c10,sk_c3) = identity ),
inference(spm,[status(thm)],[c_0_22,c_0_84]) ).
cnf(c_0_91,negated_conjecture,
( inverse(X4) != sk_c11
| inverse(X3) != sk_c9
| inverse(X2) != sk_c11
| inverse(X1) != sk_c9
| multiply(X4,sk_c11) != sk_c10
| multiply(X3,sk_c9) != sk_c10
| multiply(X2,sk_c11) != sk_c10
| multiply(X1,sk_c9) != sk_c10
| sk_c3 = sk_c10 ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_85,c_0_86]),c_0_81]) ).
cnf(c_0_92,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c7,sk_c9) = sk_c10 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_87]),c_0_88]) ).
cnf(c_0_93,negated_conjecture,
( multiply(sk_c10,sk_c3) = identity
| multiply(sk_c5,sk_c11) = sk_c10 ),
inference(spm,[status(thm)],[c_0_22,c_0_89]) ).
cnf(c_0_94,negated_conjecture,
( inverse(sk_c5) = sk_c11
| multiply(sk_c10,sk_c3) = sk_c10 ),
inference(rw,[status(thm)],[c_0_90,c_0_40]) ).
cnf(c_0_95,negated_conjecture,
( multiply(sk_c7,sk_c9) = sk_c8
| multiply(sk_c3,sk_c10) = sk_c4 ),
prove_this_41 ).
cnf(c_0_96,negated_conjecture,
( inverse(X3) != sk_c11
| inverse(X2) != sk_c9
| inverse(X1) != sk_c11
| multiply(X3,sk_c11) != sk_c10
| multiply(X2,sk_c9) != sk_c10
| multiply(X1,sk_c11) != sk_c10
| sk_c3 = sk_c10 ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_91,c_0_92]),c_0_54]) ).
cnf(c_0_97,negated_conjecture,
( sk_c3 = sk_c10
| multiply(sk_c5,sk_c11) = sk_c10 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_93,c_0_40]),c_0_44]) ).
cnf(c_0_98,negated_conjecture,
( sk_c3 = sk_c10
| inverse(sk_c5) = sk_c11 ),
inference(rw,[status(thm)],[c_0_94,c_0_44]) ).
cnf(c_0_99,negated_conjecture,
( multiply(sk_c7,sk_c9) = sk_c8
| multiply(inverse(sk_c3),sk_c4) = sk_c10 ),
inference(spm,[status(thm)],[c_0_24,c_0_95]) ).
cnf(c_0_100,negated_conjecture,
( inverse(X2) != sk_c11
| inverse(X1) != sk_c9
| multiply(X2,sk_c11) != sk_c10
| multiply(X1,sk_c9) != sk_c10
| sk_c3 = sk_c10 ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_96,c_0_97]),c_0_98]) ).
cnf(c_0_101,negated_conjecture,
( multiply(sk_c7,sk_c9) = sk_c8
| multiply(sk_c10,sk_c4) = sk_c9 ),
prove_this_34 ).
cnf(c_0_102,negated_conjecture,
( multiply(sk_c10,sk_c4) = sk_c10
| multiply(sk_c7,sk_c9) = sk_c8 ),
inference(spm,[status(thm)],[c_0_99,c_0_39]) ).
cnf(c_0_103,negated_conjecture,
( inverse(X1) != sk_c11
| multiply(X1,sk_c11) != sk_c10
| sk_c3 = sk_c10 ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_100,c_0_92]),c_0_54]) ).
cnf(c_0_104,negated_conjecture,
( multiply(sk_c10,sk_c4) = sk_c9
| multiply(inverse(sk_c7),sk_c8) = sk_c9 ),
inference(spm,[status(thm)],[c_0_24,c_0_101]) ).
cnf(c_0_105,negated_conjecture,
( inverse(sk_c7) = sk_c9
| multiply(sk_c10,sk_c4) = sk_c9 ),
prove_this_35 ).
cnf(c_0_106,negated_conjecture,
( multiply(sk_c10,sk_c4) = sk_c10
| multiply(inverse(sk_c7),sk_c8) = sk_c9 ),
inference(spm,[status(thm)],[c_0_24,c_0_102]) ).
cnf(c_0_107,negated_conjecture,
( inverse(sk_c7) = sk_c9
| multiply(sk_c3,sk_c10) = sk_c4 ),
prove_this_42 ).
cnf(c_0_108,negated_conjecture,
sk_c3 = sk_c10,
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_103,c_0_98]),c_0_97]) ).
cnf(c_0_109,negated_conjecture,
( multiply(sk_c9,sk_c8) = sk_c9
| multiply(sk_c10,sk_c4) = sk_c9 ),
inference(spm,[status(thm)],[c_0_104,c_0_105]) ).
cnf(c_0_110,negated_conjecture,
( sk_c4 = sk_c10
| multiply(inverse(sk_c7),sk_c8) = sk_c9 ),
inference(rw,[status(thm)],[c_0_106,c_0_44]) ).
cnf(c_0_111,negated_conjecture,
( sk_c4 = sk_c10
| inverse(sk_c7) = sk_c9 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_107,c_0_108]),c_0_44]) ).
cnf(c_0_112,negated_conjecture,
( sk_c4 = sk_c9
| multiply(sk_c9,sk_c8) = sk_c9 ),
inference(rw,[status(thm)],[c_0_109,c_0_44]) ).
cnf(c_0_113,negated_conjecture,
( sk_c4 = sk_c10
| multiply(sk_c9,sk_c8) = sk_c9 ),
inference(spm,[status(thm)],[c_0_110,c_0_111]) ).
cnf(c_0_114,negated_conjecture,
( sk_c10 = sk_c9
| sk_c4 = sk_c9 ),
inference(spm,[status(thm)],[c_0_78,c_0_112]) ).
cnf(c_0_115,negated_conjecture,
( sk_c10 = sk_c9
| sk_c4 = sk_c10 ),
inference(spm,[status(thm)],[c_0_78,c_0_113]) ).
cnf(c_0_116,negated_conjecture,
sk_c10 = sk_c9,
inference(spm,[status(thm)],[c_0_114,c_0_115]) ).
cnf(c_0_117,plain,
multiply(inverse(X1),X1) = sk_c9,
inference(rw,[status(thm)],[c_0_62,c_0_116]) ).
cnf(c_0_118,plain,
multiply(inverse(sk_c10),X1) = X1,
inference(spm,[status(thm)],[c_0_24,c_0_44]) ).
cnf(c_0_119,plain,
multiply(X1,sk_c9) = X1,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_117]),c_0_88]) ).
cnf(c_0_120,negated_conjecture,
( inverse(X5) != sk_c11
| inverse(X4) != sk_c9
| inverse(X1) != sk_c10
| inverse(X3) != sk_c11
| inverse(X2) != sk_c9
| multiply(X5,sk_c11) != sk_c10
| multiply(X4,sk_c9) != sk_c10
| multiply(X3,sk_c11) != sk_c10
| multiply(X2,sk_c9) != sk_c10
| multiply(X1,sk_c10) != sk_c9
| inverse(inverse(sk_c10)) != sk_c9
| multiply(sk_c9,sk_c9) != sk_c10 ),
inference(spm,[status(thm)],[c_0_56,c_0_118]) ).
cnf(c_0_121,plain,
multiply(sk_c9,X1) = X1,
inference(rw,[status(thm)],[c_0_44,c_0_116]) ).
cnf(c_0_122,plain,
inverse(sk_c9) = sk_c9,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_118,c_0_119]),c_0_116]) ).
cnf(c_0_123,negated_conjecture,
( inverse(X2) != sk_c11
| inverse(X1) != sk_c11
| multiply(X2,sk_c11) != sk_c9
| multiply(X1,sk_c11) != sk_c9 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(er,[status(thm)],[inference(er,[status(thm)],[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)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_120,c_0_116]),c_0_116]),c_0_116]),c_0_116]),c_0_116]),c_0_116]),c_0_116]),c_0_116]),c_0_121]),c_0_122]),c_0_122]),c_0_119]),c_0_119]),c_0_119])])])])]),c_0_122])]) ).
cnf(c_0_124,plain,
inverse(inverse(X1)) = X1,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_88,c_0_119]),c_0_119]) ).
cnf(c_0_125,negated_conjecture,
( inverse(X1) != sk_c11
| multiply(X1,sk_c11) != sk_c9 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_123,c_0_117]),c_0_124])]) ).
cnf(c_0_126,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(er,[status(thm)],[inference(spm,[status(thm)],[c_0_125,c_0_124])]),c_0_22]),c_0_40]),c_0_116])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GRP266-1 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.04 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.08/0.35 % Computer : n015.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.36 % DateTime : Sun Sep 20 20:11:05 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.36 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.14/0.40 Running first-order theorem proving
% 0.14/0.40 Running: /export/starexec/sandbox2/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --auto-schedule=8 --cpu-limit=300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.66/0.53 % Version: 3.5.1
% 0.66/0.53 % Preprocessing class: FSMSSMSMSSSNFFN.
% 0.66/0.53 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.66/0.53 % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S2SI with 1500s (5) cores
% 0.66/0.53 % Starting new_bool_3 with 300s (1) cores
% 0.66/0.53 % Starting new_bool_1 with 300s (1) cores
% 0.66/0.53 % Starting sh5l with 300s (1) cores
% 0.66/0.53 % G-E--_207_C18_F1_SE_CS_SP_PI_PS_S2SI with pid 3820108 completed with status 0
% 0.66/0.53 % Result found by G-E--_207_C18_F1_SE_CS_SP_PI_PS_S2SI
% 0.66/0.53 % Preprocessing class: FSMSSMSMSSSNFFN.
% 0.66/0.53 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.66/0.53 % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S2SI with 1500s (5) cores
% 0.66/0.53 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.66/0.53 % No SInE strategy applied
% 0.66/0.53 % Search class: FGHPS-FFMM21-SFFFFFNN
% 0.66/0.53 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.66/0.53 % Starting SubtermCWHack with 136s (1) cores
% 0.66/0.53 % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S2SI with 151s (1) cores
% 0.66/0.53 % Starting G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_RG_S04AN with 136s (1) cores
% 0.66/0.53 % Starting new_bool_3 with 136s (1) cores
% 0.66/0.53 % Starting new_bool_1 with 136s (1) cores
% 0.66/0.53 % G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_RG_S04AN with pid 3820115 completed with status 0
% 0.66/0.53 % Result found by G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_RG_S04AN
% 0.66/0.53 % Preprocessing class: FSMSSMSMSSSNFFN.
% 0.66/0.53 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.66/0.53 % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S2SI with 1500s (5) cores
% 0.66/0.53 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.66/0.53 % No SInE strategy applied
% 0.66/0.53 % Search class: FGHPS-FFMM21-SFFFFFNN
% 0.66/0.53 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.66/0.53 % Starting SubtermCWHack with 136s (1) cores
% 0.66/0.53 % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S2SI with 151s (1) cores
% 0.66/0.53 % Starting G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_RG_S04AN with 136s (1) cores
% 0.66/0.53 % Preprocessing time : 0.001 s
% 0.66/0.53 % Presaturation interreduction done
% 0.66/0.53
% 0.66/0.53 % Proof found!
% 0.66/0.53 % SZS status Unsatisfiable
% 0.66/0.53 % SZS output start CNFRefutation
% See solution above
% 0.66/0.53 % Parsed axioms : 53
% 0.66/0.53 % Removed by relevancy pruning/SinE : 0
% 0.66/0.53 % Initial clauses : 53
% 0.66/0.53 % Removed in clause preprocessing : 0
% 0.66/0.53 % Initial clauses in saturation : 53
% 0.66/0.53 % Processed clauses : 1802
% 0.66/0.53 % ...of these trivial : 31
% 0.66/0.53 % ...subsumed : 1028
% 0.66/0.53 % ...remaining for further processing : 743
% 0.66/0.53 % Other redundant clauses eliminated : 6
% 0.66/0.53 % Clauses deleted for lack of memory : 0
% 0.66/0.53 % Backward-subsumed : 159
% 0.66/0.53 % Backward-rewritten : 436
% 0.66/0.53 % Generated clauses : 7623
% 0.66/0.53 % ...of the previous two non-redundant : 7377
% 0.66/0.53 % ...aggressively subsumed : 0
% 0.66/0.53 % Contextual simplify-reflections : 28
% 0.66/0.53 % Paramodulations : 7619
% 0.66/0.53 % Factorizations : 1
% 0.66/0.53 % NegExts : 0
% 0.66/0.53 % Equation resolutions : 6
% 0.66/0.53 % Disequality decompositions : 0
% 0.66/0.53 % Total rewrite steps : 3135
% 0.66/0.53 % ...of those cached : 2946
% 0.66/0.53 % Propositional unsat checks : 0
% 0.66/0.53 % Propositional check models : 0
% 0.66/0.53 % Propositional check unsatisfiable : 0
% 0.66/0.53 % Propositional clauses : 0
% 0.66/0.53 % Propositional clauses after purity: 0
% 0.66/0.53 % Propositional unsat core size : 0
% 0.66/0.53 % Propositional preprocessing time : 0.000
% 0.66/0.53 % Propositional encoding time : 0.000
% 0.66/0.53 % Propositional solver time : 0.000
% 0.66/0.53 % Success case prop preproc time : 0.000
% 0.66/0.53 % Success case prop encoding time : 0.000
% 0.66/0.53 % Success case prop solver time : 0.000
% 0.66/0.53 % Current number of processed clauses : 93
% 0.66/0.53 % Positive orientable unit clauses : 13
% 0.66/0.53 % Positive unorientable unit clauses: 0
% 0.66/0.53 % Negative unit clauses : 0
% 0.66/0.53 % Non-unit-clauses : 80
% 0.66/0.53 % Current number of unprocessed clauses: 5272
% 0.66/0.53 % ...number of literals in the above : 40002
% 0.66/0.53 % Current number of archived formulas : 0
% 0.66/0.53 % Current number of archived clauses : 648
% 0.66/0.53 % Clause-clause subsumption calls (NU) : 20362
% 0.66/0.53 % Rec. Clause-clause subsumption calls : 7076
% 0.66/0.53 % Non-unit clause-clause subsumptions : 1197
% 0.66/0.53 % Unit Clause-clause subsumption calls : 505
% 0.66/0.53 % Rewrite failures with RHS unbound : 0
% 0.66/0.53 % BW rewrite match attempts : 49
% 0.66/0.53 % BW rewrite match successes : 28
% 0.66/0.53 % Condensation attempts : 0
% 0.66/0.53 % Condensation successes : 0
% 0.66/0.53 % Termbank termtop insertions : 163137
% 0.66/0.53 % Search garbage collected termcells : 41
% 0.66/0.53
% 0.66/0.53 % -------------------------------------------------
% 0.66/0.53 % User time : 0.100 s
% 0.66/0.53 % System time : 0.010 s
% 0.66/0.53 % Total time : 0.110 s
% 0.66/0.53 % Maximum resident set size: 3660 pages
% 0.66/0.53
% 0.66/0.53 % -------------------------------------------------
% 0.66/0.53 % User time : 0.464 s
% 0.66/0.53 % System time : 0.030 s
% 0.66/0.53 % Total time : 0.494 s
% 0.66/0.53 % Maximum resident set size: 4864 pages
% 0.66/0.53 % E exiting
%------------------------------------------------------------------------------