%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : GRP217-1 : TPTP v9.2.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n024.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 May 5 04:24:50 PM UTC 2026
% Result : Unsatisfiable 4.54s 3.29s
% Output : CNFRefutation 4.64s
% Verified :
% SZS Type : Refutation
% Derivation depth : 35
% Number of leaves : 27
% Syntax : Number of clauses : 160 ( 29 unt; 110 nHn; 129 RR)
% Number of literals : 393 ( 392 equ; 129 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 : 105 ( 5 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(prove_this_49,negated_conjecture,
( inverse(X1) != sk_c11
| multiply(X1,sk_c10) != sk_c11
| multiply(X2,X3) != sk_c10
| inverse(X2) != X3
| multiply(X3,sk_c11) != sk_c10
| multiply(sk_c11,X4) != sk_c10
| multiply(X5,sk_c11) != X4
| inverse(X5) != sk_c11
| multiply(X6,X7) != sk_c11
| inverse(X6) != X7
| multiply(X7,sk_c10) != sk_c11
| multiply(sk_c11,X8) != sk_c10
| multiply(X9,sk_c11) != X8
| inverse(X9) != sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_49) ).
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_40,negated_conjecture,
( multiply(sk_c4,sk_c11) = sk_c5
| multiply(sk_c11,sk_c9) = sk_c10 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_40) ).
cnf(prove_this_46,negated_conjecture,
( inverse(sk_c4) = sk_c11
| multiply(sk_c11,sk_c9) = sk_c10 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_46) ).
cnf(prove_this_34,negated_conjecture,
( multiply(sk_c11,sk_c5) = sk_c10
| multiply(sk_c11,sk_c9) = sk_c10 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_34) ).
cnf(prove_this_28,negated_conjecture,
( multiply(sk_c3,sk_c11) = sk_c10
| multiply(sk_c11,sk_c9) = sk_c10 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_28) ).
cnf(prove_this_22,negated_conjecture,
( inverse(sk_c2) = sk_c3
| multiply(sk_c11,sk_c9) = sk_c10 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_22) ).
cnf(prove_this_16,negated_conjecture,
( multiply(sk_c2,sk_c3) = sk_c10
| multiply(sk_c11,sk_c9) = sk_c10 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_16) ).
cnf(prove_this_41,negated_conjecture,
( multiply(sk_c4,sk_c11) = sk_c5
| multiply(sk_c8,sk_c11) = sk_c9 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_41) ).
cnf(prove_this_47,negated_conjecture,
( inverse(sk_c4) = sk_c11
| multiply(sk_c8,sk_c11) = sk_c9 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_47) ).
cnf(prove_this_35,negated_conjecture,
( multiply(sk_c11,sk_c5) = sk_c10
| multiply(sk_c8,sk_c11) = sk_c9 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_35) ).
cnf(prove_this_48,negated_conjecture,
( inverse(sk_c4) = sk_c11
| inverse(sk_c8) = sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_48) ).
cnf(prove_this_36,negated_conjecture,
( multiply(sk_c11,sk_c5) = sk_c10
| inverse(sk_c8) = sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_36) ).
cnf(prove_this_4,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c11,sk_c9) = sk_c10 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_4) ).
cnf(prove_this_10,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c11
| multiply(sk_c11,sk_c9) = sk_c10 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_10) ).
cnf(prove_this_42,negated_conjecture,
( multiply(sk_c4,sk_c11) = sk_c5
| inverse(sk_c8) = sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_42) ).
cnf(prove_this_9,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c11
| multiply(sk_c7,sk_c10) = sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_9) ).
cnf(prove_this_3,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c7,sk_c10) = sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_3) ).
cnf(prove_this_8,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c11
| inverse(sk_c6) = sk_c7 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_8) ).
cnf(prove_this_7,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c11
| multiply(sk_c6,sk_c7) = sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_7) ).
cnf(prove_this_25,negated_conjecture,
( multiply(sk_c3,sk_c11) = sk_c10
| multiply(sk_c6,sk_c7) = sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_25) ).
cnf(prove_this_26,negated_conjecture,
( multiply(sk_c3,sk_c11) = sk_c10
| inverse(sk_c6) = sk_c7 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_26) ).
cnf(prove_this_2,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c6) = sk_c7 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_2) ).
cnf(prove_this_1,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c6,sk_c7) = sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_1) ).
cnf(prove_this_6,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c8) = sk_c11 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_6) ).
cnf(c_0_27,negated_conjecture,
( inverse(X1) != sk_c11
| multiply(X1,sk_c10) != sk_c11
| multiply(X2,X3) != sk_c10
| inverse(X2) != X3
| multiply(X3,sk_c11) != sk_c10
| multiply(sk_c11,X4) != sk_c10
| multiply(X5,sk_c11) != X4
| inverse(X5) != sk_c11
| multiply(X6,X7) != sk_c11
| inverse(X6) != X7
| multiply(X7,sk_c10) != sk_c11
| multiply(sk_c11,X8) != sk_c10
| multiply(X9,sk_c11) != X8
| inverse(X9) != sk_c11 ),
prove_this_49 ).
cnf(c_0_28,axiom,
multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
associativity ).
cnf(c_0_29,axiom,
multiply(inverse(X1),X1) = identity,
left_inverse ).
cnf(c_0_30,axiom,
multiply(identity,X1) = X1,
left_identity ).
cnf(c_0_31,negated_conjecture,
( multiply(sk_c11,multiply(X1,sk_c11)) != sk_c10
| multiply(sk_c11,multiply(X2,sk_c11)) != sk_c10
| multiply(inverse(X3),sk_c10) != sk_c11
| multiply(inverse(X4),sk_c11) != sk_c10
| multiply(X3,inverse(X3)) != sk_c11
| multiply(X4,inverse(X4)) != sk_c10
| multiply(X5,sk_c10) != sk_c11
| inverse(X1) != sk_c11
| inverse(X2) != sk_c11
| inverse(X5) != sk_c11 ),
inference(er,[status(thm)],[inference(er,[status(thm)],[inference(er,[status(thm)],[inference(er,[status(thm)],[c_0_27])])])]) ).
cnf(c_0_32,negated_conjecture,
( multiply(sk_c4,sk_c11) = sk_c5
| multiply(sk_c11,sk_c9) = sk_c10 ),
prove_this_40 ).
cnf(c_0_33,negated_conjecture,
( inverse(sk_c4) = sk_c11
| multiply(sk_c11,sk_c9) = sk_c10 ),
prove_this_46 ).
cnf(c_0_34,negated_conjecture,
( multiply(sk_c11,sk_c5) = sk_c10
| multiply(sk_c11,sk_c9) = sk_c10 ),
prove_this_34 ).
cnf(c_0_35,plain,
multiply(inverse(X1),multiply(X1,X2)) = X2,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_29]),c_0_30]) ).
cnf(c_0_36,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c11,multiply(X1,sk_c11)) != sk_c10
| multiply(inverse(X2),sk_c10) != sk_c11
| multiply(inverse(X3),sk_c11) != sk_c10
| multiply(X2,inverse(X2)) != sk_c11
| multiply(X3,inverse(X3)) != sk_c10
| multiply(X4,sk_c10) != sk_c11
| inverse(X1) != sk_c11
| inverse(X4) != sk_c11 ),
inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_31,c_0_32]),c_0_33]),c_0_34]) ).
cnf(c_0_37,negated_conjecture,
( multiply(sk_c3,sk_c11) = sk_c10
| multiply(sk_c11,sk_c9) = sk_c10 ),
prove_this_28 ).
cnf(c_0_38,negated_conjecture,
( multiply(inverse(sk_c4),sk_c5) = sk_c11
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_35,c_0_32]) ).
cnf(c_0_39,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(inverse(X1),sk_c10) != sk_c11
| multiply(inverse(X2),sk_c11) != sk_c10
| multiply(X1,inverse(X1)) != sk_c11
| multiply(X2,inverse(X2)) != sk_c10
| multiply(X3,sk_c10) != sk_c11
| inverse(X3) != sk_c11 ),
inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_36,c_0_32]),c_0_33]),c_0_34]) ).
cnf(c_0_40,negated_conjecture,
( inverse(sk_c2) = sk_c3
| multiply(sk_c11,sk_c9) = sk_c10 ),
prove_this_22 ).
cnf(c_0_41,negated_conjecture,
( multiply(sk_c3,multiply(sk_c11,X1)) = multiply(sk_c10,X1)
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_28,c_0_37]) ).
cnf(c_0_42,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c11,sk_c5) = sk_c11 ),
inference(spm,[status(thm)],[c_0_38,c_0_33]) ).
cnf(c_0_43,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(inverse(X1),sk_c11) != sk_c10
| multiply(sk_c3,sk_c10) != sk_c11
| multiply(sk_c2,sk_c3) != sk_c11
| multiply(X1,inverse(X1)) != sk_c10
| multiply(X2,sk_c10) != sk_c11
| inverse(X2) != sk_c11 ),
inference(spm,[status(thm)],[c_0_39,c_0_40]) ).
cnf(c_0_44,negated_conjecture,
( multiply(sk_c3,sk_c10) = multiply(sk_c10,sk_c5)
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_41,c_0_34]) ).
cnf(c_0_45,negated_conjecture,
( multiply(sk_c3,sk_c11) = multiply(sk_c10,sk_c5)
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_41,c_0_42]) ).
cnf(c_0_46,negated_conjecture,
( multiply(sk_c2,sk_c3) = sk_c10
| multiply(sk_c11,sk_c9) = sk_c10 ),
prove_this_16 ).
cnf(c_0_47,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(inverse(X1),sk_c11) != sk_c10
| multiply(sk_c10,sk_c5) != sk_c11
| multiply(sk_c2,sk_c3) != sk_c11
| multiply(X1,inverse(X1)) != sk_c10
| multiply(X2,sk_c10) != sk_c11
| inverse(X2) != sk_c11 ),
inference(spm,[status(thm)],[c_0_43,c_0_44]) ).
cnf(c_0_48,negated_conjecture,
( multiply(sk_c10,sk_c5) = sk_c10
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_37,c_0_45]) ).
cnf(c_0_49,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| sk_c10 = sk_c11 ),
inference(spm,[status(thm)],[c_0_34,c_0_42]) ).
cnf(c_0_50,plain,
multiply(inverse(inverse(X1)),X2) = multiply(X1,X2),
inference(spm,[status(thm)],[c_0_35,c_0_35]) ).
cnf(c_0_51,negated_conjecture,
( multiply(inverse(sk_c2),sk_c10) = sk_c3
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_35,c_0_46]) ).
cnf(c_0_52,negated_conjecture,
( multiply(sk_c4,sk_c11) = sk_c5
| multiply(sk_c8,sk_c11) = sk_c9 ),
prove_this_41 ).
cnf(c_0_53,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(inverse(X1),sk_c11) != sk_c10
| multiply(sk_c2,sk_c3) != sk_c11
| multiply(X1,inverse(X1)) != sk_c10
| multiply(X2,sk_c10) != sk_c11
| inverse(X2) != sk_c11 ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_49]) ).
cnf(c_0_54,plain,
multiply(X1,identity) = X1,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_29]),c_0_50]) ).
cnf(c_0_55,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c3,sk_c10) = sk_c3 ),
inference(spm,[status(thm)],[c_0_51,c_0_40]) ).
cnf(c_0_56,negated_conjecture,
( multiply(inverse(sk_c4),sk_c5) = sk_c11
| multiply(sk_c8,sk_c11) = sk_c9 ),
inference(spm,[status(thm)],[c_0_35,c_0_52]) ).
cnf(c_0_57,negated_conjecture,
( inverse(sk_c4) = sk_c11
| multiply(sk_c8,sk_c11) = sk_c9 ),
prove_this_47 ).
cnf(c_0_58,negated_conjecture,
( multiply(sk_c11,sk_c5) = sk_c10
| multiply(sk_c8,sk_c11) = sk_c9 ),
prove_this_35 ).
cnf(c_0_59,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(inverse(X1),sk_c11) != sk_c10
| multiply(X1,inverse(X1)) != sk_c10
| multiply(X2,sk_c10) != sk_c11
| inverse(X2) != sk_c11 ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_46]),c_0_49]) ).
cnf(c_0_60,plain,
inverse(identity) = identity,
inference(spm,[status(thm)],[c_0_29,c_0_54]) ).
cnf(c_0_61,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| identity = sk_c10 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_55]),c_0_29]) ).
cnf(c_0_62,negated_conjecture,
( multiply(sk_c8,sk_c11) = sk_c9
| multiply(sk_c11,sk_c5) = sk_c11 ),
inference(spm,[status(thm)],[c_0_56,c_0_57]) ).
cnf(c_0_63,negated_conjecture,
( inverse(sk_c4) = sk_c11
| inverse(sk_c8) = sk_c11 ),
prove_this_48 ).
cnf(c_0_64,negated_conjecture,
( multiply(inverse(sk_c8),sk_c9) = sk_c11
| multiply(sk_c11,sk_c5) = sk_c10 ),
inference(spm,[status(thm)],[c_0_35,c_0_58]) ).
cnf(c_0_65,negated_conjecture,
( multiply(sk_c11,sk_c5) = sk_c10
| inverse(sk_c8) = sk_c11 ),
prove_this_36 ).
cnf(c_0_66,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(X1,sk_c10) != sk_c11
| inverse(X1) != sk_c11 ),
inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_59,c_0_60]),c_0_30]),c_0_30]),c_0_61]),c_0_49]) ).
cnf(c_0_67,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c11,sk_c9) = sk_c10 ),
prove_this_4 ).
cnf(c_0_68,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c11
| multiply(sk_c11,sk_c9) = sk_c10 ),
prove_this_10 ).
cnf(c_0_69,negated_conjecture,
( multiply(inverse(sk_c8),sk_c9) = sk_c11
| multiply(sk_c11,sk_c5) = sk_c11 ),
inference(spm,[status(thm)],[c_0_35,c_0_62]) ).
cnf(c_0_70,negated_conjecture,
( multiply(sk_c11,sk_c4) = identity
| inverse(sk_c8) = sk_c11 ),
inference(spm,[status(thm)],[c_0_29,c_0_63]) ).
cnf(c_0_71,negated_conjecture,
( multiply(sk_c11,sk_c5) = sk_c10
| multiply(sk_c11,sk_c9) = sk_c11 ),
inference(spm,[status(thm)],[c_0_64,c_0_65]) ).
cnf(c_0_72,negated_conjecture,
multiply(sk_c11,sk_c9) = sk_c10,
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_66,c_0_67]),c_0_68]) ).
cnf(c_0_73,negated_conjecture,
( multiply(sk_c11,sk_c4) = identity
| multiply(sk_c11,sk_c5) = sk_c11
| multiply(sk_c11,sk_c9) = sk_c11 ),
inference(spm,[status(thm)],[c_0_69,c_0_70]) ).
cnf(c_0_74,negated_conjecture,
( multiply(inverse(sk_c11),sk_c10) = sk_c9
| sk_c10 = sk_c11 ),
inference(spm,[status(thm)],[c_0_35,c_0_49]) ).
cnf(c_0_75,negated_conjecture,
( multiply(inverse(sk_c11),sk_c10) = sk_c5
| multiply(sk_c11,sk_c9) = sk_c11 ),
inference(spm,[status(thm)],[c_0_35,c_0_71]) ).
cnf(c_0_76,negated_conjecture,
( multiply(sk_c11,sk_c5) = sk_c10
| sk_c10 = sk_c11 ),
inference(rw,[status(thm)],[c_0_71,c_0_72]) ).
cnf(c_0_77,negated_conjecture,
( multiply(sk_c11,sk_c5) = sk_c11
| multiply(sk_c11,sk_c4) = identity
| sk_c10 = sk_c11 ),
inference(rw,[status(thm)],[c_0_73,c_0_72]) ).
cnf(c_0_78,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c11
| sk_c10 = sk_c11
| sk_c5 = sk_c9 ),
inference(spm,[status(thm)],[c_0_74,c_0_75]) ).
cnf(c_0_79,negated_conjecture,
( multiply(sk_c11,sk_c4) = identity
| sk_c10 = sk_c11 ),
inference(spm,[status(thm)],[c_0_76,c_0_77]) ).
cnf(c_0_80,negated_conjecture,
( sk_c5 = sk_c9
| sk_c10 = sk_c11 ),
inference(spm,[status(thm)],[c_0_49,c_0_78]) ).
cnf(c_0_81,plain,
inverse(inverse(X1)) = X1,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_50,c_0_54]),c_0_54]) ).
cnf(c_0_82,negated_conjecture,
( inverse(sk_c11) = sk_c4
| sk_c10 = sk_c11 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_79]),c_0_54]) ).
cnf(c_0_83,negated_conjecture,
( multiply(sk_c4,sk_c11) = sk_c5
| inverse(sk_c8) = sk_c11 ),
prove_this_42 ).
cnf(c_0_84,negated_conjecture,
( multiply(inverse(sk_c4),sk_c9) = sk_c11
| multiply(sk_c8,sk_c11) = sk_c9
| sk_c10 = sk_c11 ),
inference(spm,[status(thm)],[c_0_56,c_0_80]) ).
cnf(c_0_85,negated_conjecture,
( inverse(sk_c4) = sk_c11
| sk_c10 = sk_c11 ),
inference(spm,[status(thm)],[c_0_81,c_0_82]) ).
cnf(c_0_86,negated_conjecture,
( multiply(sk_c11,multiply(sk_c8,X1)) = X1
| multiply(sk_c4,sk_c11) = sk_c5 ),
inference(spm,[status(thm)],[c_0_35,c_0_83]) ).
cnf(c_0_87,negated_conjecture,
( multiply(sk_c8,sk_c11) = sk_c9
| sk_c10 = sk_c11 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_84,c_0_85]),c_0_72])]) ).
cnf(c_0_88,negated_conjecture,
( multiply(sk_c4,sk_c11) = identity
| sk_c10 = sk_c11 ),
inference(spm,[status(thm)],[c_0_29,c_0_82]) ).
cnf(c_0_89,negated_conjecture,
( multiply(sk_c4,sk_c11) = sk_c5
| sk_c10 = sk_c11 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_86,c_0_87]),c_0_72])]) ).
cnf(c_0_90,negated_conjecture,
( sk_c10 = sk_c11
| identity = sk_c5 ),
inference(spm,[status(thm)],[c_0_88,c_0_89]) ).
cnf(c_0_91,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c11
| multiply(sk_c7,sk_c10) = sk_c11 ),
prove_this_9 ).
cnf(c_0_92,negated_conjecture,
( multiply(X1,sk_c5) = X1
| sk_c10 = sk_c11 ),
inference(spm,[status(thm)],[c_0_54,c_0_90]) ).
cnf(c_0_93,negated_conjecture,
( multiply(inverse(sk_c1),sk_c11) = sk_c10
| multiply(sk_c7,sk_c10) = sk_c11 ),
inference(spm,[status(thm)],[c_0_35,c_0_91]) ).
cnf(c_0_94,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c7,sk_c10) = sk_c11 ),
prove_this_3 ).
cnf(c_0_95,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c11
| inverse(sk_c6) = sk_c7 ),
prove_this_8 ).
cnf(c_0_96,negated_conjecture,
multiply(inverse(sk_c11),sk_c10) = sk_c9,
inference(spm,[status(thm)],[c_0_35,c_0_72]) ).
cnf(c_0_97,negated_conjecture,
sk_c10 = sk_c11,
inference(spm,[status(thm)],[c_0_76,c_0_92]) ).
cnf(c_0_98,negated_conjecture,
( multiply(sk_c7,sk_c10) = sk_c11
| multiply(sk_c11,sk_c11) = sk_c10 ),
inference(spm,[status(thm)],[c_0_93,c_0_94]) ).
cnf(c_0_99,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c11
| multiply(sk_c7,sk_c6) = identity ),
inference(spm,[status(thm)],[c_0_29,c_0_95]) ).
cnf(c_0_100,negated_conjecture,
identity = sk_c9,
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_96,c_0_97]),c_0_29]) ).
cnf(c_0_101,negated_conjecture,
( multiply(inverse(sk_c7),sk_c11) = sk_c10
| multiply(sk_c11,sk_c11) = sk_c10 ),
inference(spm,[status(thm)],[c_0_35,c_0_98]) ).
cnf(c_0_102,negated_conjecture,
( multiply(sk_c1,multiply(sk_c10,X1)) = multiply(sk_c11,X1)
| multiply(sk_c7,sk_c6) = identity ),
inference(spm,[status(thm)],[c_0_28,c_0_99]) ).
cnf(c_0_103,plain,
multiply(inverse(X1),X1) = sk_c9,
inference(rw,[status(thm)],[c_0_29,c_0_100]) ).
cnf(c_0_104,negated_conjecture,
( multiply(inverse(sk_c7),multiply(sk_c11,X1)) = multiply(sk_c10,X1)
| multiply(sk_c11,sk_c11) = sk_c10 ),
inference(spm,[status(thm)],[c_0_28,c_0_101]) ).
cnf(c_0_105,negated_conjecture,
( multiply(sk_c1,multiply(sk_c11,X1)) = multiply(sk_c11,X1)
| multiply(sk_c7,sk_c6) = sk_c9 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_102,c_0_97]),c_0_100]) ).
cnf(c_0_106,plain,
multiply(X1,inverse(X1)) = sk_c9,
inference(spm,[status(thm)],[c_0_103,c_0_81]) ).
cnf(c_0_107,plain,
multiply(X1,sk_c9) = X1,
inference(rw,[status(thm)],[c_0_54,c_0_100]) ).
cnf(c_0_108,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c11
| multiply(sk_c6,sk_c7) = sk_c11 ),
prove_this_7 ).
cnf(c_0_109,negated_conjecture,
( multiply(sk_c3,sk_c11) = sk_c10
| multiply(sk_c6,sk_c7) = sk_c11 ),
prove_this_25 ).
cnf(c_0_110,negated_conjecture,
( multiply(inverse(sk_c7),multiply(sk_c11,X1)) = multiply(sk_c11,X1)
| multiply(sk_c11,sk_c11) = sk_c11 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_104,c_0_97]),c_0_97]) ).
cnf(c_0_111,negated_conjecture,
( multiply(sk_c7,sk_c6) = sk_c9
| sk_c1 = sk_c9 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_105,c_0_106]),c_0_107]) ).
cnf(c_0_112,negated_conjecture,
( multiply(sk_c1,multiply(sk_c10,X1)) = multiply(sk_c11,X1)
| multiply(sk_c6,sk_c7) = sk_c11 ),
inference(spm,[status(thm)],[c_0_28,c_0_108]) ).
cnf(c_0_113,negated_conjecture,
( multiply(inverse(sk_c6),sk_c11) = sk_c7
| multiply(sk_c3,sk_c11) = sk_c10 ),
inference(spm,[status(thm)],[c_0_35,c_0_109]) ).
cnf(c_0_114,negated_conjecture,
( multiply(sk_c3,sk_c11) = sk_c10
| inverse(sk_c6) = sk_c7 ),
prove_this_26 ).
cnf(c_0_115,negated_conjecture,
( multiply(sk_c11,sk_c11) = sk_c11
| inverse(sk_c7) = sk_c9 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_110,c_0_106]),c_0_107]) ).
cnf(c_0_116,plain,
inverse(sk_c9) = sk_c9,
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_60,c_0_100]),c_0_100]) ).
cnf(c_0_117,negated_conjecture,
( inverse(sk_c7) = sk_c6
| sk_c1 = sk_c9 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_111]),c_0_107]) ).
cnf(c_0_118,negated_conjecture,
( multiply(sk_c1,multiply(sk_c11,X1)) = multiply(sk_c11,X1)
| multiply(sk_c6,sk_c7) = sk_c11 ),
inference(rw,[status(thm)],[c_0_112,c_0_97]) ).
cnf(c_0_119,negated_conjecture,
( multiply(sk_c3,sk_c11) = sk_c10
| multiply(sk_c7,sk_c11) = sk_c7 ),
inference(spm,[status(thm)],[c_0_113,c_0_114]) ).
cnf(c_0_120,negated_conjecture,
( multiply(sk_c11,sk_c11) = sk_c11
| sk_c9 = sk_c7 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_81,c_0_115]),c_0_116]) ).
cnf(c_0_121,negated_conjecture,
( multiply(sk_c6,sk_c7) = sk_c9
| sk_c1 = sk_c9 ),
inference(spm,[status(thm)],[c_0_103,c_0_117]) ).
cnf(c_0_122,negated_conjecture,
( multiply(sk_c6,sk_c7) = sk_c11
| sk_c1 = sk_c9 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_118,c_0_106]),c_0_107]) ).
cnf(c_0_123,negated_conjecture,
( multiply(sk_c3,multiply(sk_c11,X1)) = multiply(sk_c10,X1)
| multiply(sk_c7,sk_c11) = sk_c7 ),
inference(spm,[status(thm)],[c_0_28,c_0_119]) ).
cnf(c_0_124,negated_conjecture,
( sk_c9 = sk_c7
| sk_c9 = sk_c11 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_120]),c_0_29]),c_0_100]) ).
cnf(c_0_125,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c6) = sk_c7 ),
prove_this_2 ).
cnf(c_0_126,negated_conjecture,
( sk_c1 = sk_c9
| sk_c9 = sk_c11 ),
inference(spm,[status(thm)],[c_0_121,c_0_122]) ).
cnf(c_0_127,negated_conjecture,
( multiply(sk_c3,multiply(sk_c11,X1)) = multiply(sk_c11,X1)
| multiply(sk_c7,sk_c11) = sk_c7 ),
inference(rw,[status(thm)],[c_0_123,c_0_97]) ).
cnf(c_0_128,negated_conjecture,
( multiply(X1,sk_c7) = X1
| sk_c9 = sk_c11 ),
inference(spm,[status(thm)],[c_0_107,c_0_124]) ).
cnf(c_0_129,negated_conjecture,
( inverse(sk_c6) = sk_c7
| sk_c9 = sk_c11 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_125,c_0_126]),c_0_116])]) ).
cnf(c_0_130,negated_conjecture,
( multiply(sk_c7,sk_c11) = sk_c7
| sk_c9 = sk_c3 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_127,c_0_106]),c_0_107]) ).
cnf(c_0_131,negated_conjecture,
( multiply(sk_c11,multiply(X1,multiply(X2,sk_c11))) != sk_c10
| multiply(sk_c11,multiply(X3,sk_c11)) != sk_c10
| multiply(inverse(X4),sk_c10) != sk_c11
| multiply(inverse(X5),sk_c11) != sk_c10
| multiply(X4,inverse(X4)) != sk_c11
| multiply(X5,inverse(X5)) != sk_c10
| inverse(multiply(X1,X2)) != sk_c11
| multiply(X6,sk_c10) != sk_c11
| inverse(X3) != sk_c11
| inverse(X6) != sk_c11 ),
inference(spm,[status(thm)],[c_0_31,c_0_28]) ).
cnf(c_0_132,negated_conjecture,
( inverse(sk_c7) = sk_c9
| sk_c9 = sk_c11 ),
inference(spm,[status(thm)],[c_0_103,c_0_128]) ).
cnf(c_0_133,negated_conjecture,
( inverse(sk_c7) = sk_c6
| sk_c9 = sk_c11 ),
inference(spm,[status(thm)],[c_0_81,c_0_129]) ).
cnf(c_0_134,negated_conjecture,
( sk_c9 = sk_c3
| sk_c9 = sk_c11 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_130]),c_0_29]),c_0_100]) ).
cnf(c_0_135,negated_conjecture,
( multiply(sk_c11,multiply(X1,sk_c11)) != sk_c10
| multiply(sk_c11,multiply(X2,sk_c11)) != sk_c10
| multiply(inverse(X3),sk_c10) != sk_c11
| multiply(inverse(X4),sk_c11) != sk_c10
| inverse(multiply(X1,identity)) != sk_c11
| multiply(X3,inverse(X3)) != sk_c11
| multiply(X4,inverse(X4)) != sk_c10
| multiply(X5,sk_c10) != sk_c11
| inverse(X2) != sk_c11
| inverse(X5) != sk_c11 ),
inference(spm,[status(thm)],[c_0_131,c_0_30]) ).
cnf(c_0_136,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c6,sk_c7) = sk_c11 ),
prove_this_1 ).
cnf(c_0_137,negated_conjecture,
( sk_c9 = sk_c11
| sk_c9 = sk_c6 ),
inference(spm,[status(thm)],[c_0_132,c_0_133]) ).
cnf(c_0_138,negated_conjecture,
( sk_c9 = sk_c11
| sk_c3 != sk_c11 ),
inference(ef,[status(thm)],[c_0_134]) ).
cnf(c_0_139,negated_conjecture,
( inverse(multiply(inverse(sk_c11),identity)) != sk_c11
| multiply(sk_c11,multiply(X1,sk_c11)) != sk_c10
| multiply(inverse(X2),sk_c10) != sk_c11
| multiply(inverse(X3),sk_c11) != sk_c10
| multiply(sk_c11,identity) != sk_c10
| multiply(X2,inverse(X2)) != sk_c11
| multiply(X3,inverse(X3)) != sk_c10
| multiply(X4,sk_c10) != sk_c11
| inverse(X1) != sk_c11
| inverse(X4) != sk_c11 ),
inference(spm,[status(thm)],[c_0_135,c_0_29]) ).
cnf(c_0_140,negated_conjecture,
( multiply(sk_c6,sk_c7) = sk_c11
| sk_c9 = sk_c11 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_136,c_0_126]),c_0_116])]) ).
cnf(c_0_141,negated_conjecture,
( sk_c9 = sk_c11
| sk_c6 != sk_c11 ),
inference(ef,[status(thm)],[c_0_137]) ).
cnf(c_0_142,plain,
multiply(inverse(multiply(X1,X2)),multiply(X1,multiply(X2,X3))) = X3,
inference(spm,[status(thm)],[c_0_35,c_0_28]) ).
cnf(c_0_143,negated_conjecture,
( multiply(X1,sk_c11) = X1
| sk_c3 != sk_c11 ),
inference(spm,[status(thm)],[c_0_107,c_0_138]) ).
cnf(c_0_144,negated_conjecture,
( multiply(sk_c11,multiply(X1,sk_c11)) != sk_c10
| multiply(inverse(X2),sk_c10) != sk_c11
| multiply(inverse(X3),sk_c11) != sk_c10
| multiply(X2,inverse(X2)) != sk_c11
| multiply(X3,inverse(X3)) != sk_c10
| multiply(X4,sk_c10) != sk_c11
| inverse(X1) != sk_c11
| inverse(X4) != sk_c11
| sk_c10 != sk_c11 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_139,c_0_54]),c_0_54]),c_0_81])]) ).
cnf(c_0_145,negated_conjecture,
sk_c9 = sk_c11,
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_128,c_0_140]),c_0_141]) ).
cnf(c_0_146,plain,
multiply(sk_c9,X1) = X1,
inference(rw,[status(thm)],[c_0_30,c_0_100]) ).
cnf(c_0_147,plain,
multiply(inverse(multiply(X1,X2)),X1) = inverse(X2),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_142,c_0_106]),c_0_107]) ).
cnf(c_0_148,negated_conjecture,
( inverse(sk_c11) = sk_c9
| sk_c3 != sk_c11 ),
inference(spm,[status(thm)],[c_0_103,c_0_143]) ).
cnf(c_0_149,negated_conjecture,
( multiply(sk_c11,multiply(X1,sk_c11)) != sk_c11
| multiply(inverse(X2),sk_c11) != sk_c11
| multiply(inverse(X3),sk_c11) != sk_c11
| multiply(X4,sk_c11) != sk_c11
| inverse(X1) != sk_c11
| inverse(X4) != sk_c11
| sk_c9 != sk_c11 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[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)],[c_0_144,c_0_97]),c_0_97]),c_0_97]),c_0_97]),c_0_97]),c_0_97])]),c_0_106]),c_0_106])]) ).
cnf(c_0_150,plain,
multiply(X1,sk_c11) = X1,
inference(rw,[status(thm)],[c_0_107,c_0_145]) ).
cnf(c_0_151,plain,
multiply(sk_c11,X1) = X1,
inference(rw,[status(thm)],[c_0_146,c_0_145]) ).
cnf(c_0_152,plain,
inverse(sk_c11) = sk_c11,
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_116,c_0_145]),c_0_145]) ).
cnf(c_0_153,negated_conjecture,
( inverse(sk_c11) = sk_c9
| sk_c9 = sk_c3 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_147,c_0_130]),c_0_29]),c_0_100]) ).
cnf(c_0_154,negated_conjecture,
( inverse(sk_c11) = sk_c11
| sk_c3 != sk_c11 ),
inference(rw,[status(thm)],[c_0_148,c_0_145]) ).
cnf(c_0_155,negated_conjecture,
( inverse(X1) != sk_c11
| inverse(X2) != sk_c11 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(er,[status(thm)],[inference(er,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_149,c_0_145])]),c_0_150]),c_0_151]),c_0_150]),c_0_150]),c_0_150])])]),c_0_152])]) ).
cnf(c_0_156,negated_conjecture,
inverse(sk_c11) = sk_c11,
inference(csr,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_153,c_0_145]),c_0_145]),c_0_154]) ).
cnf(c_0_157,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c8) = sk_c11 ),
prove_this_6 ).
cnf(c_0_158,negated_conjecture,
inverse(X1) != sk_c11,
inference(spm,[status(thm)],[c_0_155,c_0_156]) ).
cnf(c_0_159,negated_conjecture,
$false,
inference(sr,[status(thm)],[inference(sr,[status(thm)],[c_0_157,c_0_158]),c_0_158]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.06 % Problem : GRP217-1 : TPTP v9.2.1. Released v2.5.0.
% 0.00/0.06 % Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.06/0.24 % Computer : n024.cluster.edu
% 0.06/0.24 % Model : x86_64 x86_64
% 0.06/0.24 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.24 % Memory : 8042.1875MB
% 0.06/0.24 % OS : Linux 3.10.0-693.el7.x86_64
% 0.06/0.24 % CPULimit : 300
% 0.06/0.24 % WCLimit : 300
% 0.06/0.24 % DateTime : Mon May 4 13:28:41 EDT 2026
% 0.06/0.24 % CPUTime :
% 0.06/0.25 % start to proof: theBenchmark
% 4.54/3.29 % Version : CSE_E---1.7
% 4.54/3.29 % Problem : theBenchmark.p
% 4.54/3.29 % SZS status Unsatisfiable for theBenchmark.p
% 4.54/3.29 % SZS output start CNFRefutation
% See solution above
% 4.64/3.31 % Total time : 2.361s
%------------------------------------------------------------------------------