%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : GRP271-1 : TPTP v9.2.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n020.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 04:25:09 PM UTC 2026
% Result : Unsatisfiable 55.00s 32.56s
% Output : CNFRefutation 55.30s
% Verified :
% SZS Type : Refutation
% Derivation depth : 41
% Number of leaves : 30
% Syntax : Number of clauses : 180 ( 35 unt; 134 nHn; 145 RR)
% Number of literals : 411 ( 410 equ; 101 neg)
% Maximal clause size : 15 ( 2 avg)
% Maximal term depth : 6 ( 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 : 101 ( 1 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_18,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c7) = sk_c6 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_18) ).
cnf(prove_this_48,negated_conjecture,
( inverse(sk_c2) = sk_c10
| inverse(sk_c7) = sk_c6 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_48) ).
cnf(prove_this_19,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c6) = sk_c8 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_19) ).
cnf(prove_this_8,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| inverse(sk_c7) = sk_c6 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_8) ).
cnf(prove_this_38,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| inverse(sk_c7) = sk_c6 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_38) ).
cnf(prove_this_49,negated_conjecture,
( inverse(sk_c2) = sk_c10
| inverse(sk_c6) = sk_c8 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_49) ).
cnf(prove_this_9,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| inverse(sk_c6) = sk_c8 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_9) ).
cnf(prove_this_28,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c7) = sk_c6 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_28) ).
cnf(prove_this_39,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| inverse(sk_c6) = sk_c8 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_39) ).
cnf(prove_this_29,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c6) = sk_c8 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_29) ).
cnf(prove_this_51,negated_conjecture,
( multiply(X1,sk_c11) != sk_c10
| inverse(X1) != sk_c11
| multiply(sk_c11,sk_c9) != sk_c10
| multiply(X2,sk_c10) != sk_c9
| inverse(X2) != sk_c10
| multiply(X3,sk_c11) != sk_c10
| inverse(X3) != sk_c11
| multiply(X4,sk_c10) != sk_c9
| inverse(X4) != sk_c10
| multiply(X5,X6) != sk_c11
| inverse(X5) != X6
| multiply(X6,sk_c10) != sk_c11
| inverse(X7) != X8
| inverse(X8) != X6
| multiply(X7,X6) != X8 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_51) ).
cnf(prove_this_30,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c7,sk_c8) = sk_c6 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_30) ).
cnf(prove_this_26,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c5) = sk_c8 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_26) ).
cnf(prove_this_25,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c5,sk_c8) = sk_c11 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_25) ).
cnf(prove_this_22,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c3) = sk_c11 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_22) ).
cnf(prove_this_33,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| multiply(sk_c4,sk_c10) = sk_c9 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_33) ).
cnf(prove_this_44,negated_conjecture,
( inverse(sk_c2) = sk_c10
| inverse(sk_c4) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_44) ).
cnf(prove_this_20,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c7,sk_c8) = sk_c6 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_20) ).
cnf(prove_this_43,negated_conjecture,
( inverse(sk_c2) = sk_c10
| multiply(sk_c4,sk_c10) = sk_c9 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_43) ).
cnf(prove_this_34,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| inverse(sk_c4) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_34) ).
cnf(prove_this_10,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| multiply(sk_c7,sk_c8) = sk_c6 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_10) ).
cnf(prove_this_16,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c5) = sk_c8 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_16) ).
cnf(prove_this_21,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c3,sk_c11) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_21) ).
cnf(prove_this_6,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| inverse(sk_c5) = sk_c8 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_6) ).
cnf(prove_this_2,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| inverse(sk_c3) = sk_c11 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_2) ).
cnf(prove_this_15,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c5,sk_c8) = sk_c11 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_15) ).
cnf(prove_this_1,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| multiply(sk_c3,sk_c11) = sk_c10 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_1) ).
cnf(c_0_30,axiom,
multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
associativity ).
cnf(c_0_31,axiom,
multiply(inverse(X1),X1) = identity,
left_inverse ).
cnf(c_0_32,axiom,
multiply(identity,X1) = X1,
left_identity ).
cnf(c_0_33,plain,
multiply(inverse(X1),multiply(X1,X2)) = X2,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_30,c_0_31]),c_0_32]) ).
cnf(c_0_34,plain,
multiply(inverse(inverse(X1)),identity) = X1,
inference(spm,[status(thm)],[c_0_33,c_0_31]) ).
cnf(c_0_35,plain,
multiply(inverse(inverse(X1)),X2) = multiply(X1,X2),
inference(spm,[status(thm)],[c_0_33,c_0_33]) ).
cnf(c_0_36,plain,
multiply(X1,identity) = X1,
inference(rw,[status(thm)],[c_0_34,c_0_35]) ).
cnf(c_0_37,plain,
inverse(inverse(X1)) = X1,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_36]),c_0_36]) ).
cnf(c_0_38,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c7) = sk_c6 ),
prove_this_18 ).
cnf(c_0_39,negated_conjecture,
( inverse(sk_c2) = sk_c10
| inverse(sk_c7) = sk_c6 ),
prove_this_48 ).
cnf(c_0_40,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c6) = sk_c8 ),
prove_this_19 ).
cnf(c_0_41,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c6) = sk_c7 ),
inference(spm,[status(thm)],[c_0_37,c_0_38]) ).
cnf(c_0_42,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| inverse(sk_c7) = sk_c6 ),
prove_this_8 ).
cnf(c_0_43,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| inverse(sk_c7) = sk_c6 ),
prove_this_38 ).
cnf(c_0_44,negated_conjecture,
( inverse(sk_c2) = sk_c10
| inverse(sk_c6) = sk_c8 ),
prove_this_49 ).
cnf(c_0_45,negated_conjecture,
( inverse(sk_c2) = sk_c10
| inverse(sk_c6) = sk_c7 ),
inference(spm,[status(thm)],[c_0_37,c_0_39]) ).
cnf(c_0_46,plain,
multiply(X1,inverse(X1)) = identity,
inference(spm,[status(thm)],[c_0_31,c_0_37]) ).
cnf(c_0_47,negated_conjecture,
( inverse(sk_c1) = sk_c11
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_40,c_0_41]) ).
cnf(c_0_48,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| inverse(sk_c6) = sk_c8 ),
prove_this_9 ).
cnf(c_0_49,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| inverse(sk_c6) = sk_c7 ),
inference(spm,[status(thm)],[c_0_37,c_0_42]) ).
cnf(c_0_50,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c7) = sk_c6 ),
prove_this_28 ).
cnf(c_0_51,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| inverse(sk_c6) = sk_c8 ),
prove_this_39 ).
cnf(c_0_52,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| inverse(sk_c6) = sk_c7 ),
inference(spm,[status(thm)],[c_0_37,c_0_43]) ).
cnf(c_0_53,negated_conjecture,
( inverse(sk_c2) = sk_c10
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_44,c_0_45]) ).
cnf(c_0_54,negated_conjecture,
( multiply(sk_c1,sk_c11) = identity
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_46,c_0_47]) ).
cnf(c_0_55,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_48,c_0_49]) ).
cnf(c_0_56,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c6) = sk_c8 ),
prove_this_29 ).
cnf(c_0_57,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c6) = sk_c7 ),
inference(spm,[status(thm)],[c_0_37,c_0_50]) ).
cnf(c_0_58,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_51,c_0_52]) ).
cnf(c_0_59,negated_conjecture,
( multiply(sk_c2,sk_c10) = identity
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_46,c_0_53]) ).
cnf(c_0_60,negated_conjecture,
( sk_c7 = sk_c8
| identity = sk_c10 ),
inference(spm,[status(thm)],[c_0_54,c_0_55]) ).
cnf(c_0_61,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_56,c_0_57]) ).
cnf(c_0_62,negated_conjecture,
( sk_c7 = sk_c8
| identity = sk_c9 ),
inference(spm,[status(thm)],[c_0_58,c_0_59]) ).
cnf(c_0_63,negated_conjecture,
( multiply(X1,sk_c10) = X1
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_36,c_0_60]) ).
cnf(c_0_64,negated_conjecture,
( multiply(inverse(sk_c11),sk_c10) = sk_c9
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_33,c_0_61]) ).
cnf(c_0_65,negated_conjecture,
( multiply(sk_c10,X1) = X1
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_32,c_0_60]) ).
cnf(c_0_66,negated_conjecture,
( multiply(X1,sk_c11) != sk_c10
| inverse(X1) != sk_c11
| multiply(sk_c11,sk_c9) != sk_c10
| multiply(X2,sk_c10) != sk_c9
| inverse(X2) != sk_c10
| multiply(X3,sk_c11) != sk_c10
| inverse(X3) != sk_c11
| multiply(X4,sk_c10) != sk_c9
| inverse(X4) != sk_c10
| multiply(X5,X6) != sk_c11
| inverse(X5) != X6
| multiply(X6,sk_c10) != sk_c11
| inverse(X7) != X8
| inverse(X8) != X6
| multiply(X7,X6) != X8 ),
prove_this_51 ).
cnf(c_0_67,negated_conjecture,
( multiply(sk_c9,X1) = X1
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_32,c_0_62]) ).
cnf(c_0_68,negated_conjecture,
( inverse(sk_c11) = sk_c9
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_63,c_0_64]) ).
cnf(c_0_69,negated_conjecture,
( inverse(sk_c10) = sk_c2
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_37,c_0_53]) ).
cnf(c_0_70,negated_conjecture,
( inverse(sk_c10) = identity
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_46,c_0_65]) ).
cnf(c_0_71,negated_conjecture,
( inverse(multiply(X1,inverse(X2))) != inverse(X2)
| multiply(inverse(X2),sk_c10) != sk_c11
| multiply(X1,inverse(X2)) != inverse(X1)
| multiply(sk_c11,sk_c9) != sk_c10
| multiply(X2,inverse(X2)) != sk_c11
| multiply(X3,sk_c10) != sk_c9
| multiply(X4,sk_c11) != sk_c10
| multiply(X5,sk_c10) != sk_c9
| multiply(X6,sk_c11) != sk_c10
| inverse(X3) != sk_c10
| inverse(X4) != sk_c11
| inverse(X5) != sk_c10
| inverse(X6) != sk_c11 ),
inference(er,[status(thm)],[inference(er,[status(thm)],[c_0_66])]) ).
cnf(c_0_72,negated_conjecture,
( inverse(sk_c9) = identity
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_46,c_0_67]) ).
cnf(c_0_73,negated_conjecture,
( inverse(sk_c9) = sk_c11
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_37,c_0_68]) ).
cnf(c_0_74,negated_conjecture,
( sk_c7 = sk_c8
| identity = sk_c2 ),
inference(spm,[status(thm)],[c_0_69,c_0_70]) ).
cnf(c_0_75,negated_conjecture,
( inverse(multiply(X1,inverse(X2))) != inverse(X2)
| multiply(inverse(X2),sk_c10) != sk_c11
| multiply(X1,inverse(X2)) != inverse(X1)
| multiply(sk_c11,sk_c9) != sk_c10
| multiply(X3,sk_c10) != sk_c9
| multiply(X4,sk_c11) != sk_c10
| multiply(X5,sk_c10) != sk_c9
| multiply(X6,sk_c11) != sk_c10
| inverse(X3) != sk_c10
| inverse(X4) != sk_c11
| inverse(X5) != sk_c10
| inverse(X6) != sk_c11
| identity != sk_c11 ),
inference(rw,[status(thm)],[c_0_71,c_0_46]) ).
cnf(c_0_76,negated_conjecture,
( sk_c7 = sk_c8
| identity = sk_c11 ),
inference(spm,[status(thm)],[c_0_72,c_0_73]) ).
cnf(c_0_77,negated_conjecture,
( multiply(sk_c2,X1) = X1
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_32,c_0_74]) ).
cnf(c_0_78,negated_conjecture,
( multiply(X1,sk_c9) = X1
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_36,c_0_62]) ).
cnf(c_0_79,negated_conjecture,
( sk_c7 = sk_c8
| inverse(multiply(X1,inverse(X2))) != inverse(X2)
| multiply(inverse(X2),sk_c10) != sk_c11
| multiply(X1,inverse(X2)) != inverse(X1)
| multiply(X3,sk_c10) != sk_c9
| multiply(X4,sk_c11) != sk_c10
| multiply(X5,sk_c10) != sk_c9
| multiply(X6,sk_c11) != sk_c10
| inverse(X3) != sk_c10
| inverse(X4) != sk_c11
| inverse(X5) != sk_c10
| inverse(X6) != sk_c11 ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_75,c_0_76]),c_0_61]) ).
cnf(c_0_80,negated_conjecture,
( inverse(sk_c2) = identity
| sk_c7 = sk_c8 ),
inference(spm,[status(thm)],[c_0_46,c_0_77]) ).
cnf(c_0_81,negated_conjecture,
( sk_c7 = sk_c8
| sk_c11 = sk_c10 ),
inference(spm,[status(thm)],[c_0_61,c_0_78]) ).
cnf(c_0_82,negated_conjecture,
( sk_c7 = sk_c8
| multiply(X1,sk_c10) != sk_c9
| multiply(X2,sk_c11) != sk_c10
| multiply(X3,sk_c10) != sk_c9
| multiply(X4,sk_c11) != sk_c10
| inverse(X5) != identity
| inverse(X1) != sk_c10
| inverse(X2) != sk_c11
| inverse(X3) != sk_c10
| inverse(X4) != sk_c11
| inverse(X5) != X5 ),
inference(csr,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_79,c_0_80]),c_0_36]),c_0_32]),c_0_36]),c_0_81]) ).
cnf(c_0_83,negated_conjecture,
( sk_c7 = sk_c8
| multiply(X1,sk_c11) != sk_c10
| multiply(X2,sk_c10) != sk_c9
| multiply(X3,sk_c11) != sk_c10
| inverse(X4) != identity
| inverse(X1) != sk_c11
| inverse(X2) != sk_c10
| inverse(X3) != sk_c11
| inverse(X4) != X4 ),
inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_82,c_0_31]),c_0_37])]),c_0_62]) ).
cnf(c_0_84,negated_conjecture,
( sk_c7 = sk_c8
| multiply(X1,sk_c10) != sk_c9
| multiply(X2,sk_c11) != sk_c10
| inverse(X3) != identity
| inverse(X1) != sk_c10
| inverse(X2) != sk_c11
| inverse(X3) != X3 ),
inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_83,c_0_31]),c_0_37])]),c_0_60]) ).
cnf(c_0_85,plain,
multiply(inverse(identity),X1) = X1,
inference(spm,[status(thm)],[c_0_33,c_0_32]) ).
cnf(c_0_86,negated_conjecture,
( sk_c7 = sk_c8
| multiply(X1,sk_c11) != sk_c10
| inverse(X2) != identity
| inverse(X1) != sk_c11
| inverse(X2) != X2 ),
inference(csr,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_84,c_0_64]),c_0_37]),c_0_81]) ).
cnf(c_0_87,plain,
multiply(inverse(inverse(identity)),X1) = X1,
inference(spm,[status(thm)],[c_0_33,c_0_85]) ).
cnf(c_0_88,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c7,sk_c8) = sk_c6 ),
prove_this_30 ).
cnf(c_0_89,negated_conjecture,
( sk_c7 = sk_c8
| inverse(X1) != identity
| inverse(X1) != X1 ),
inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_86,c_0_31]),c_0_37])]),c_0_60]) ).
cnf(c_0_90,plain,
inverse(identity) = identity,
inference(spm,[status(thm)],[c_0_31,c_0_87]) ).
cnf(c_0_91,negated_conjecture,
( multiply(inverse(sk_c7),sk_c6) = sk_c8
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_33,c_0_88]) ).
cnf(c_0_92,negated_conjecture,
sk_c7 = sk_c8,
inference(spm,[status(thm)],[c_0_89,c_0_90]) ).
cnf(c_0_93,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c5) = sk_c8 ),
prove_this_26 ).
cnf(c_0_94,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c5,sk_c8) = sk_c11 ),
prove_this_25 ).
cnf(c_0_95,negated_conjecture,
( multiply(inverse(sk_c8),sk_c6) = sk_c8
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(rw,[status(thm)],[c_0_91,c_0_92]) ).
cnf(c_0_96,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c8) = sk_c5 ),
inference(spm,[status(thm)],[c_0_37,c_0_93]) ).
cnf(c_0_97,negated_conjecture,
( multiply(sk_c5,multiply(sk_c8,X1)) = multiply(sk_c11,X1)
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_30,c_0_94]) ).
cnf(c_0_98,negated_conjecture,
( multiply(sk_c8,sk_c8) = sk_c6
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(rw,[status(thm)],[c_0_88,c_0_92]) ).
cnf(c_0_99,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c5,sk_c6) = sk_c8 ),
inference(spm,[status(thm)],[c_0_95,c_0_96]) ).
cnf(c_0_100,negated_conjecture,
( multiply(sk_c5,sk_c6) = multiply(sk_c11,sk_c8)
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_97,c_0_98]) ).
cnf(c_0_101,negated_conjecture,
( multiply(sk_c11,sk_c8) = sk_c8
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_99,c_0_100]) ).
cnf(c_0_102,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c3) = sk_c11 ),
prove_this_22 ).
cnf(c_0_103,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| multiply(sk_c4,sk_c10) = sk_c9 ),
prove_this_33 ).
cnf(c_0_104,negated_conjecture,
( inverse(sk_c2) = sk_c10
| inverse(sk_c4) = sk_c10 ),
prove_this_44 ).
cnf(c_0_105,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c7,sk_c8) = sk_c6 ),
prove_this_20 ).
cnf(c_0_106,negated_conjecture,
( multiply(inverse(sk_c11),sk_c8) = sk_c8
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_33,c_0_101]) ).
cnf(c_0_107,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c11) = sk_c3 ),
inference(spm,[status(thm)],[c_0_37,c_0_102]) ).
cnf(c_0_108,negated_conjecture,
( inverse(sk_c2) = sk_c10
| multiply(sk_c4,sk_c10) = sk_c9 ),
prove_this_43 ).
cnf(c_0_109,negated_conjecture,
( multiply(inverse(sk_c4),sk_c9) = sk_c10
| multiply(sk_c2,sk_c10) = sk_c9 ),
inference(spm,[status(thm)],[c_0_33,c_0_103]) ).
cnf(c_0_110,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| inverse(sk_c4) = sk_c10 ),
prove_this_34 ).
cnf(c_0_111,negated_conjecture,
( multiply(sk_c10,sk_c4) = identity
| inverse(sk_c2) = sk_c10 ),
inference(spm,[status(thm)],[c_0_31,c_0_104]) ).
cnf(c_0_112,negated_conjecture,
( multiply(sk_c7,sk_c8) = sk_c6
| inverse(sk_c11) = sk_c1 ),
inference(spm,[status(thm)],[c_0_37,c_0_105]) ).
cnf(c_0_113,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c3,sk_c8) = sk_c8 ),
inference(spm,[status(thm)],[c_0_106,c_0_107]) ).
cnf(c_0_114,negated_conjecture,
( multiply(sk_c10,multiply(sk_c2,X1)) = X1
| multiply(sk_c4,sk_c10) = sk_c9 ),
inference(spm,[status(thm)],[c_0_33,c_0_108]) ).
cnf(c_0_115,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| multiply(sk_c10,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_109,c_0_110]) ).
cnf(c_0_116,plain,
multiply(inverse(multiply(X1,X2)),multiply(X1,multiply(X2,X3))) = X3,
inference(spm,[status(thm)],[c_0_33,c_0_30]) ).
cnf(c_0_117,negated_conjecture,
( multiply(sk_c10,multiply(sk_c2,X1)) = X1
| multiply(sk_c10,sk_c4) = identity ),
inference(spm,[status(thm)],[c_0_33,c_0_111]) ).
cnf(c_0_118,negated_conjecture,
( multiply(sk_c2,sk_c10) = sk_c9
| multiply(sk_c10,sk_c4) = identity ),
inference(spm,[status(thm)],[c_0_31,c_0_110]) ).
cnf(c_0_119,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| multiply(sk_c7,sk_c8) = sk_c6 ),
prove_this_10 ).
cnf(c_0_120,negated_conjecture,
( multiply(sk_c8,sk_c8) = sk_c6
| inverse(sk_c11) = sk_c1 ),
inference(rw,[status(thm)],[c_0_112,c_0_92]) ).
cnf(c_0_121,negated_conjecture,
( inverse(sk_c1) = sk_c11
| inverse(sk_c5) = sk_c8 ),
prove_this_16 ).
cnf(c_0_122,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| multiply(sk_c3,sk_c11) = sk_c10 ),
prove_this_21 ).
cnf(c_0_123,plain,
multiply(X1,multiply(X2,inverse(multiply(X1,X2)))) = identity,
inference(spm,[status(thm)],[c_0_30,c_0_46]) ).
cnf(c_0_124,negated_conjecture,
( multiply(inverse(sk_c3),sk_c8) = sk_c8
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_33,c_0_113]) ).
cnf(c_0_125,negated_conjecture,
( multiply(sk_c4,sk_c10) = sk_c9
| multiply(sk_c10,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_114,c_0_115]) ).
cnf(c_0_126,plain,
multiply(inverse(multiply(X1,X2)),X1) = inverse(X2),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_116,c_0_46]),c_0_36]) ).
cnf(c_0_127,negated_conjecture,
( multiply(sk_c10,sk_c4) = identity
| multiply(sk_c10,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_117,c_0_118]) ).
cnf(c_0_128,negated_conjecture,
( multiply(sk_c8,sk_c8) = sk_c6
| multiply(sk_c1,sk_c11) = sk_c10 ),
inference(rw,[status(thm)],[c_0_119,c_0_92]) ).
cnf(c_0_129,negated_conjecture,
( multiply(sk_c8,sk_c8) = sk_c6
| multiply(sk_c1,sk_c11) = identity ),
inference(spm,[status(thm)],[c_0_31,c_0_120]) ).
cnf(c_0_130,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| inverse(sk_c5) = sk_c8 ),
prove_this_6 ).
cnf(c_0_131,negated_conjecture,
( multiply(sk_c8,sk_c5) = identity
| inverse(sk_c1) = sk_c11 ),
inference(spm,[status(thm)],[c_0_31,c_0_121]) ).
cnf(c_0_132,negated_conjecture,
( multiply(inverse(sk_c3),sk_c10) = sk_c11
| multiply(sk_c11,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_33,c_0_122]) ).
cnf(c_0_133,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| inverse(sk_c3) = identity ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_123,c_0_124]),c_0_46]),c_0_36]) ).
cnf(c_0_134,negated_conjecture,
( multiply(inverse(sk_c4),sk_c9) = sk_c10
| multiply(sk_c10,sk_c9) = sk_c10 ),
inference(spm,[status(thm)],[c_0_33,c_0_125]) ).
cnf(c_0_135,negated_conjecture,
( multiply(sk_c10,sk_c9) = sk_c10
| inverse(sk_c4) = sk_c10 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_126,c_0_127]),c_0_90]),c_0_32]) ).
cnf(c_0_136,negated_conjecture,
( multiply(sk_c8,sk_c8) = sk_c6
| identity = sk_c10 ),
inference(spm,[status(thm)],[c_0_128,c_0_129]) ).
cnf(c_0_137,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| multiply(sk_c8,sk_c5) = identity ),
inference(spm,[status(thm)],[c_0_31,c_0_130]) ).
cnf(c_0_138,negated_conjecture,
( multiply(sk_c8,sk_c5) = identity
| multiply(sk_c1,sk_c11) = identity ),
inference(spm,[status(thm)],[c_0_46,c_0_131]) ).
cnf(c_0_139,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| sk_c11 = sk_c10 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_132,c_0_133]),c_0_32]) ).
cnf(c_0_140,negated_conjecture,
multiply(sk_c10,sk_c9) = sk_c10,
inference(spm,[status(thm)],[c_0_134,c_0_135]) ).
cnf(c_0_141,negated_conjecture,
( multiply(inverse(sk_c8),sk_c6) = sk_c8
| identity = sk_c10 ),
inference(spm,[status(thm)],[c_0_33,c_0_136]) ).
cnf(c_0_142,negated_conjecture,
( multiply(sk_c8,multiply(sk_c8,X1)) = multiply(sk_c6,X1)
| identity = sk_c10 ),
inference(spm,[status(thm)],[c_0_30,c_0_136]) ).
cnf(c_0_143,negated_conjecture,
( multiply(sk_c8,sk_c5) = identity
| identity = sk_c10 ),
inference(spm,[status(thm)],[c_0_137,c_0_138]) ).
cnf(c_0_144,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| inverse(sk_c3) = sk_c11 ),
prove_this_2 ).
cnf(c_0_145,plain,
multiply(X1,inverse(multiply(X2,X1))) = inverse(X2),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_123]),c_0_36]) ).
cnf(c_0_146,negated_conjecture,
( multiply(inverse(sk_c11),sk_c10) = sk_c9
| sk_c11 = sk_c10 ),
inference(spm,[status(thm)],[c_0_33,c_0_139]) ).
cnf(c_0_147,negated_conjecture,
identity = sk_c9,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_140]),c_0_31]) ).
cnf(c_0_148,negated_conjecture,
( multiply(inverse(sk_c8),multiply(inverse(sk_c8),multiply(sk_c6,X1))) = X1
| identity = sk_c10 ),
inference(spm,[status(thm)],[c_0_116,c_0_141]) ).
cnf(c_0_149,negated_conjecture,
( multiply(sk_c6,sk_c5) = sk_c8
| identity = sk_c10 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_142,c_0_143]),c_0_36]) ).
cnf(c_0_150,negated_conjecture,
( multiply(sk_c11,sk_c9) = sk_c10
| identity = sk_c11 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_123,c_0_101]),c_0_46]),c_0_36]) ).
cnf(c_0_151,negated_conjecture,
( inverse(sk_c1) = sk_c11
| multiply(sk_c5,sk_c8) = sk_c11 ),
prove_this_15 ).
cnf(c_0_152,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| multiply(sk_c3,sk_c11) = sk_c10 ),
prove_this_1 ).
cnf(c_0_153,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| multiply(sk_c3,sk_c11) = identity ),
inference(spm,[status(thm)],[c_0_46,c_0_144]) ).
cnf(c_0_154,negated_conjecture,
( multiply(sk_c10,inverse(sk_c9)) = sk_c11
| sk_c11 = sk_c10 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_145,c_0_146]),c_0_37]) ).
cnf(c_0_155,plain,
inverse(sk_c9) = sk_c9,
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_90,c_0_147]),c_0_147]) ).
cnf(c_0_156,negated_conjecture,
( inverse(sk_c8) = sk_c5
| identity = sk_c10 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_148,c_0_149]),c_0_31]),c_0_36]) ).
cnf(c_0_157,negated_conjecture,
( multiply(inverse(sk_c11),sk_c10) = sk_c9
| identity = sk_c11 ),
inference(spm,[status(thm)],[c_0_33,c_0_150]) ).
cnf(c_0_158,negated_conjecture,
( multiply(sk_c5,sk_c8) = sk_c11
| inverse(sk_c11) = sk_c1 ),
inference(spm,[status(thm)],[c_0_37,c_0_151]) ).
cnf(c_0_159,plain,
multiply(X1,multiply(inverse(X1),X2)) = X2,
inference(spm,[status(thm)],[c_0_33,c_0_37]) ).
cnf(c_0_160,negated_conjecture,
( multiply(sk_c1,sk_c11) = sk_c10
| identity = sk_c10 ),
inference(spm,[status(thm)],[c_0_152,c_0_153]) ).
cnf(c_0_161,negated_conjecture,
sk_c11 = sk_c10,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_154,c_0_155]),c_0_140])]) ).
cnf(c_0_162,negated_conjecture,
( multiply(sk_c5,sk_c8) = identity
| identity = sk_c10 ),
inference(spm,[status(thm)],[c_0_31,c_0_156]) ).
cnf(c_0_163,negated_conjecture,
( multiply(sk_c5,sk_c8) = sk_c11
| multiply(sk_c1,sk_c10) = sk_c9
| identity = sk_c11 ),
inference(spm,[status(thm)],[c_0_157,c_0_158]) ).
cnf(c_0_164,plain,
multiply(X1,multiply(X2,multiply(inverse(multiply(X1,X2)),X3))) = X3,
inference(spm,[status(thm)],[c_0_30,c_0_159]) ).
cnf(c_0_165,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c10
| sk_c9 = sk_c10 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_160,c_0_147]),c_0_161]) ).
cnf(c_0_166,negated_conjecture,
( multiply(sk_c5,sk_c8) = sk_c9
| sk_c9 = sk_c10 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_162,c_0_147]),c_0_147]) ).
cnf(c_0_167,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c9
| multiply(sk_c5,sk_c8) = sk_c10
| sk_c9 = sk_c10 ),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_163,c_0_147]),c_0_161]),c_0_161]) ).
cnf(c_0_168,negated_conjecture,
( multiply(sk_c1,X1) = X1
| sk_c9 = sk_c10 ),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_164,c_0_165]),c_0_159]) ).
cnf(c_0_169,negated_conjecture,
( multiply(sk_c1,sk_c10) = sk_c9
| sk_c9 = sk_c10 ),
inference(spm,[status(thm)],[c_0_166,c_0_167]) ).
cnf(c_0_170,negated_conjecture,
sk_c9 = sk_c10,
inference(spm,[status(thm)],[c_0_168,c_0_169]) ).
cnf(c_0_171,negated_conjecture,
multiply(sk_c10,sk_c10) = sk_c10,
inference(rw,[status(thm)],[c_0_140,c_0_170]) ).
cnf(c_0_172,negated_conjecture,
multiply(sk_c10,X1) = X1,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_164,c_0_171]),c_0_159]) ).
cnf(c_0_173,negated_conjecture,
inverse(multiply(X1,sk_c10)) = inverse(X1),
inference(spm,[status(thm)],[c_0_145,c_0_172]) ).
cnf(c_0_174,negated_conjecture,
multiply(X1,sk_c10) = X1,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_37,c_0_173]),c_0_37]) ).
cnf(c_0_175,plain,
inverse(sk_c10) = sk_c10,
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_155,c_0_170]),c_0_170]) ).
cnf(c_0_176,negated_conjecture,
( inverse(multiply(X1,inverse(X2))) != inverse(X2)
| multiply(X1,inverse(X2)) != inverse(X1)
| inverse(X2) != sk_c10 ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(er,[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)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_75,c_0_147]),c_0_174]),c_0_161]),c_0_161]),c_0_170]),c_0_172]),c_0_174]),c_0_170]),c_0_161]),c_0_174]),c_0_174]),c_0_170]),c_0_161]),c_0_174]),c_0_161]),c_0_161]),c_0_170]),c_0_161])])])])])]),c_0_175])]) ).
cnf(c_0_177,plain,
multiply(X1,inverse(X1)) = sk_c10,
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_46,c_0_147]),c_0_170]) ).
cnf(c_0_178,negated_conjecture,
inverse(X1) != sk_c10,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_176,c_0_177]),c_0_175])]) ).
cnf(c_0_179,negated_conjecture,
$false,
inference(sr,[status(thm)],[inference(sr,[status(thm)],[c_0_104,c_0_178]),c_0_178]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13 % Problem : GRP271-1 : TPTP v9.2.1. Released v2.5.0.
% 0.00/0.13 % Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.19/0.37 % Computer : n020.cluster.edu
% 0.19/0.37 % Model : x86_64 x86_64
% 0.19/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/0.37 % Memory : 8042.1875MB
% 0.19/0.37 % OS : Linux 3.10.0-693.el7.x86_64
% 0.19/0.37 % CPULimit : 300
% 0.19/0.37 % WCLimit : 300
% 0.19/0.37 % DateTime : Mon May 4 18:31:05 EDT 2026
% 0.19/0.37 % CPUTime :
% 0.19/0.38 % start to proof: theBenchmark
% 55.00/32.56 % Version : CSE_E---1.7
% 55.00/32.56 % Problem : theBenchmark.p
% 55.00/32.56 % SZS status Unsatisfiable for theBenchmark.p
% 55.00/32.56 % SZS output start CNFRefutation
% See solution above
% 55.30/32.82 % Total time : 23.418s
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