TPTP Problem File: SWW960+1.p

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```%--------------------------------------------------------------------------
% File     : SWW960+1 : TPTP v8.1.2. Released v7.4.0.
% Domain   : Software Verification
% Problem  : Attack on Needman-Schroeder Public Key Protocol
% Version  : [LT19] axioms : Especial.
% English  : Attack demonstrates an impersonation attack and also violation
%            of secrecy of nonce Nb.

% Refs     : [BO97]  Bull & Otway (1997), The Authentication Protocol
%          : [RS98]  Ryan & Schneider (1998), An Attack on a Recursive Auth
%          : [LT19]  Li & Tiu (2019), Combining ProVerif and Automated Theo
%          : [Li20]  Li (2020), Email to Geoff Sutcliffe
% Source   : [Li20]
% Names    : NSPK-agree-A-to-B-secrecy.p [LT20]

% Status   : Theorem
% Rating   : 0.69 v8.1.0, 0.56 v7.5.0, 0.62 v7.4.0
% Syntax   : Number of formulae    :  169 ( 108 unt;   0 def)
%            Number of atoms       :  258 (  88 equ)
%            Maximal formula atoms :    7 (   1 avg)
%            Number of connectives :  169 (  80   ~;   0   |;  28   &)
%                                         (   0 <=>;  61  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Maximal term depth    :    6 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   0 prp; 1-2 aty)
%            Number of functors    :   49 (  49 usr;  15 con; 0-2 aty)
%            Number of variables   :  116 ( 116   !;   0   ?)
% SPC      : FOF_THM_RFO_SEQ

% Comments : Generated by a modified version of ProVerif used in the
%            ProVerif-ATP project [LT19].
%          : Line 358 (conjecture) is patched manually (made VAR_V_651 explicitly universally quantified)
%--------------------------------------------------------------------------
fof(ax0,axiom,
constr_CONST_0x30 != constr_CONST_1 ).

fof(ax1,axiom,
constr_CONST_0x30 != constr_CONST_2 ).

fof(ax2,axiom,
constr_CONST_0x30 != constr_CONST_3 ).

fof(ax3,axiom,
constr_CONST_0x30 != constr_CONST_4 ).

fof(ax4,axiom,
constr_CONST_0x30 != name_A ).

fof(ax5,axiom,
constr_CONST_0x30 != name_B ).

fof(ax6,axiom,
constr_CONST_0x30 != name_I ).

fof(ax7,axiom,
constr_CONST_0x30 != name_c ).

fof(ax8,axiom,
constr_CONST_0x30 != name_objective ).

fof(ax9,axiom,
constr_CONST_0x30 != name_skA ).

fof(ax10,axiom,
constr_CONST_0x30 != name_skB ).

fof(ax11,axiom,
constr_CONST_0x30 != name_skS ).

fof(ax12,axiom,
constr_CONST_1 != constr_CONST_2 ).

fof(ax13,axiom,
constr_CONST_1 != constr_CONST_3 ).

fof(ax14,axiom,
constr_CONST_1 != constr_CONST_4 ).

fof(ax15,axiom,
constr_CONST_1 != name_A ).

fof(ax16,axiom,
constr_CONST_1 != name_B ).

fof(ax17,axiom,
constr_CONST_1 != name_I ).

fof(ax18,axiom,
constr_CONST_1 != name_c ).

fof(ax19,axiom,
constr_CONST_1 != name_objective ).

fof(ax20,axiom,
constr_CONST_1 != name_skA ).

fof(ax21,axiom,
constr_CONST_1 != name_skB ).

fof(ax22,axiom,
constr_CONST_1 != name_skS ).

fof(ax23,axiom,
constr_CONST_2 != constr_CONST_3 ).

fof(ax24,axiom,
constr_CONST_2 != constr_CONST_4 ).

fof(ax25,axiom,
constr_CONST_2 != name_A ).

fof(ax26,axiom,
constr_CONST_2 != name_B ).

fof(ax27,axiom,
constr_CONST_2 != name_I ).

fof(ax28,axiom,
constr_CONST_2 != name_c ).

fof(ax29,axiom,
constr_CONST_2 != name_objective ).

fof(ax30,axiom,
constr_CONST_2 != name_skA ).

fof(ax31,axiom,
constr_CONST_2 != name_skB ).

fof(ax32,axiom,
constr_CONST_2 != name_skS ).

fof(ax33,axiom,
constr_CONST_3 != constr_CONST_4 ).

fof(ax34,axiom,
constr_CONST_3 != name_A ).

fof(ax35,axiom,
constr_CONST_3 != name_B ).

fof(ax36,axiom,
constr_CONST_3 != name_I ).

fof(ax37,axiom,
constr_CONST_3 != name_c ).

fof(ax38,axiom,
constr_CONST_3 != name_objective ).

fof(ax39,axiom,
constr_CONST_3 != name_skA ).

fof(ax40,axiom,
constr_CONST_3 != name_skB ).

fof(ax41,axiom,
constr_CONST_3 != name_skS ).

fof(ax42,axiom,
constr_CONST_4 != name_A ).

fof(ax43,axiom,
constr_CONST_4 != name_B ).

fof(ax44,axiom,
constr_CONST_4 != name_I ).

fof(ax45,axiom,
constr_CONST_4 != name_c ).

fof(ax46,axiom,
constr_CONST_4 != name_objective ).

fof(ax47,axiom,
constr_CONST_4 != name_skA ).

fof(ax48,axiom,
constr_CONST_4 != name_skB ).

fof(ax49,axiom,
constr_CONST_4 != name_skS ).

fof(ax50,axiom,
name_A != name_B ).

fof(ax51,axiom,
name_A != name_I ).

fof(ax52,axiom,
name_A != name_c ).

fof(ax53,axiom,
name_A != name_objective ).

fof(ax54,axiom,
name_A != name_skA ).

fof(ax55,axiom,
name_A != name_skB ).

fof(ax56,axiom,
name_A != name_skS ).

fof(ax57,axiom,
name_B != name_I ).

fof(ax58,axiom,
name_B != name_c ).

fof(ax59,axiom,
name_B != name_objective ).

fof(ax60,axiom,
name_B != name_skA ).

fof(ax61,axiom,
name_B != name_skB ).

fof(ax62,axiom,
name_B != name_skS ).

fof(ax63,axiom,
name_I != name_c ).

fof(ax64,axiom,
name_I != name_objective ).

fof(ax65,axiom,
name_I != name_skA ).

fof(ax66,axiom,
name_I != name_skB ).

fof(ax67,axiom,
name_I != name_skS ).

fof(ax68,axiom,
name_c != name_objective ).

fof(ax69,axiom,
name_c != name_skA ).

fof(ax70,axiom,
name_c != name_skB ).

fof(ax71,axiom,
name_c != name_skS ).

fof(ax72,axiom,
name_objective != name_skA ).

fof(ax73,axiom,
name_objective != name_skB ).

fof(ax74,axiom,
name_objective != name_skS ).

fof(ax75,axiom,
name_skA != name_skB ).

fof(ax76,axiom,
name_skA != name_skS ).

fof(ax77,axiom,
name_skB != name_skS ).

fof(ax78,axiom,
! [VAR_K_18,VAR_M_17] : constr_adec(constr_aenc(VAR_M_17,constr_pkey(VAR_K_18)),VAR_K_18) = VAR_M_17 ).

fof(ax79,axiom,
! [VAR_K_16,VAR_M_15] : constr_dec(constr_enc(VAR_M_15,VAR_K_16),VAR_K_16) = VAR_M_15 ).

fof(ax80,axiom,
! [VAR_K_14,VAR_M_13] : constr_getmess(constr_sign(VAR_M_13,VAR_K_14)) = VAR_M_13 ).

fof(ax81,axiom,
! [VAR_K_0X30,VAR_M_0X30] : constr_checksign(constr_sign(VAR_M_0X30,VAR_K_0X30),constr_pkey(VAR_K_0X30)) = VAR_M_0X30 ).

fof(ax82,axiom,
! [VAR_X0X30_11,VAR_X1_12] : constr_tuple_2_get_1_bitstring(tuple_2(VAR_X0X30_11,VAR_X1_12)) = VAR_X1_12 ).

fof(ax83,axiom,
! [VAR_X0X30_9,VAR_X1_10X30] : constr_tuple_2_get_0x30_bitstring(tuple_2(VAR_X0X30_9,VAR_X1_10X30)) = VAR_X0X30_9 ).

fof(ax84,axiom,
! [VAR_X0X30_7,VAR_X1_8] : constr_tuple_2_get_1(tuple_2(VAR_X0X30_7,VAR_X1_8)) = VAR_X1_8 ).

fof(ax85,axiom,
! [VAR_X0X30_0X30,VAR_X1_0X30] : constr_tuple_2_get_0x30(tuple_2(VAR_X0X30_0X30,VAR_X1_0X30)) = VAR_X0X30_0X30 ).

fof(ax86,axiom,
! [VAR_X_36,VAR_Y_37] : pred_eq_bitstring_bitstring(VAR_X_36,VAR_Y_37) ).

fof(ax87,axiom,
! [VAR_V_43] :
( pred_attacker(VAR_V_43)
=> pred_attacker(constr_tuple_2_get_1_bitstring(VAR_V_43)) ) ).

fof(ax88,axiom,
! [VAR_V_45] :
( pred_attacker(VAR_V_45)
=> pred_attacker(constr_tuple_2_get_1(VAR_V_45)) ) ).

fof(ax89,axiom,
! [VAR_V_47] :
( pred_attacker(VAR_V_47)
=> pred_attacker(constr_tuple_2_get_0x30_bitstring(VAR_V_47)) ) ).

fof(ax90,axiom,
! [VAR_V_49] :
( pred_attacker(VAR_V_49)
=> pred_attacker(constr_tuple_2_get_0x30(VAR_V_49)) ) ).

fof(ax91,axiom,
pred_attacker(tuple_true) ).

fof(ax92,axiom,
! [VAR_V_52,VAR_V_53] :
( ( pred_attacker(VAR_V_52)
& pred_attacker(VAR_V_53) )
=> pred_attacker(constr_sign(VAR_V_52,VAR_V_53)) ) ).

fof(ax93,axiom,
! [VAR_V_55] :
( pred_attacker(VAR_V_55)
=> pred_attacker(constr_pkey(VAR_V_55)) ) ).

fof(ax94,axiom,
! [VAR_V_57] :
( pred_attacker(VAR_V_57)
=> pred_attacker(tuple_out_3(VAR_V_57)) ) ).

fof(ax95,axiom,
! [VAR_V_60X30] :
( pred_attacker(tuple_out_3(VAR_V_60X30))
=> pred_attacker(VAR_V_60X30) ) ).

fof(ax96,axiom,
! [VAR_V_63] :
( pred_attacker(VAR_V_63)
=> pred_attacker(tuple_out_2(VAR_V_63)) ) ).

fof(ax97,axiom,
! [VAR_V_66] :
( pred_attacker(tuple_out_2(VAR_V_66))
=> pred_attacker(VAR_V_66) ) ).

fof(ax98,axiom,
! [VAR_V_69] :
( pred_attacker(VAR_V_69)
=> pred_attacker(tuple_out_1(VAR_V_69)) ) ).

fof(ax99,axiom,
! [VAR_V_72] :
( pred_attacker(tuple_out_1(VAR_V_72))
=> pred_attacker(VAR_V_72) ) ).

fof(ax100,axiom,
! [VAR_V_76] :
( pred_attacker(VAR_V_76)
=> pred_attacker(tuple_key_retrieval_server_out_2(VAR_V_76)) ) ).

fof(ax101,axiom,
! [VAR_V_79] :
( pred_attacker(tuple_key_retrieval_server_out_2(VAR_V_79))
=> pred_attacker(VAR_V_79) ) ).

fof(ax102,axiom,
! [VAR_V_83,VAR_V_84] :
( ( pred_attacker(VAR_V_83)
& pred_attacker(VAR_V_84) )
=> pred_attacker(tuple_key_retrieval_server_in_1(VAR_V_83,VAR_V_84)) ) ).

fof(ax103,axiom,
! [VAR_V_91,VAR_V_92] :
( pred_attacker(tuple_key_retrieval_server_in_1(VAR_V_91,VAR_V_92))
=> pred_attacker(VAR_V_91) ) ).

fof(ax104,axiom,
! [VAR_V_94,VAR_V_95] :
( pred_attacker(tuple_key_retrieval_server_in_1(VAR_V_94,VAR_V_95))
=> pred_attacker(VAR_V_95) ) ).

fof(ax105,axiom,
! [VAR_V_99,VAR_V_10X300X30] :
( ( pred_attacker(VAR_V_99)
& pred_attacker(VAR_V_10X300X30) )
=> pred_attacker(tuple_key_register_server_in_1(VAR_V_99,VAR_V_10X300X30)) ) ).

fof(ax106,axiom,
! [VAR_V_10X307,VAR_V_10X308] :
( pred_attacker(tuple_key_register_server_in_1(VAR_V_10X307,VAR_V_10X308))
=> pred_attacker(VAR_V_10X307) ) ).

fof(ax107,axiom,
! [VAR_V_110X30,VAR_V_111] :
( pred_attacker(tuple_key_register_server_in_1(VAR_V_110X30,VAR_V_111))
=> pred_attacker(VAR_V_111) ) ).

fof(ax108,axiom,
! [VAR_V_114] :
( pred_attacker(VAR_V_114)
=> pred_attacker(constr_getmess(VAR_V_114)) ) ).

fof(ax109,axiom,
pred_attacker(tuple_false) ).

fof(ax110,axiom,
! [VAR_V_117,VAR_V_118] :
( ( pred_attacker(VAR_V_117)
& pred_attacker(VAR_V_118) )
=> pred_attacker(constr_enc(VAR_V_117,VAR_V_118)) ) ).

fof(ax111,axiom,
! [VAR_V_121,VAR_V_122] :
( ( pred_attacker(VAR_V_121)
& pred_attacker(VAR_V_122) )
=> pred_attacker(constr_dec(VAR_V_121,VAR_V_122)) ) ).

fof(ax112,axiom,
! [VAR_V_124] :
( pred_attacker(VAR_V_124)
=> pred_attacker(tuple_client_B_out_6(VAR_V_124)) ) ).

fof(ax113,axiom,
! [VAR_V_127] :
( pred_attacker(tuple_client_B_out_6(VAR_V_127))
=> pred_attacker(VAR_V_127) ) ).

fof(ax114,axiom,
! [VAR_V_130X30] :
( pred_attacker(VAR_V_130X30)
=> pred_attacker(tuple_client_B_out_4(VAR_V_130X30)) ) ).

fof(ax115,axiom,
! [VAR_V_133] :
( pred_attacker(tuple_client_B_out_4(VAR_V_133))
=> pred_attacker(VAR_V_133) ) ).

fof(ax116,axiom,
! [VAR_V_137,VAR_V_138] :
( ( pred_attacker(VAR_V_137)
& pred_attacker(VAR_V_138) )
=> pred_attacker(tuple_client_B_out_1(VAR_V_137,VAR_V_138)) ) ).

fof(ax117,axiom,
! [VAR_V_145,VAR_V_146] :
( pred_attacker(tuple_client_B_out_1(VAR_V_145,VAR_V_146))
=> pred_attacker(VAR_V_145) ) ).

fof(ax118,axiom,
! [VAR_V_148,VAR_V_149] :
( pred_attacker(tuple_client_B_out_1(VAR_V_148,VAR_V_149))
=> pred_attacker(VAR_V_149) ) ).

fof(ax119,axiom,
! [VAR_V_152] :
( pred_attacker(VAR_V_152)
=> pred_attacker(tuple_client_B_in_5(VAR_V_152)) ) ).

fof(ax120,axiom,
! [VAR_V_155] :
( pred_attacker(tuple_client_B_in_5(VAR_V_155))
=> pred_attacker(VAR_V_155) ) ).

fof(ax121,axiom,
! [VAR_V_158] :
( pred_attacker(VAR_V_158)
=> pred_attacker(tuple_client_B_in_3(VAR_V_158)) ) ).

fof(ax122,axiom,
! [VAR_V_161] :
( pred_attacker(tuple_client_B_in_3(VAR_V_161))
=> pred_attacker(VAR_V_161) ) ).

fof(ax123,axiom,
! [VAR_V_164] :
( pred_attacker(VAR_V_164)
=> pred_attacker(tuple_client_B_in_2(VAR_V_164)) ) ).

fof(ax124,axiom,
! [VAR_V_167] :
( pred_attacker(tuple_client_B_in_2(VAR_V_167))
=> pred_attacker(VAR_V_167) ) ).

fof(ax125,axiom,
! [VAR_V_170X30] :
( pred_attacker(VAR_V_170X30)
=> pred_attacker(tuple_client_A_out_5(VAR_V_170X30)) ) ).

fof(ax126,axiom,
! [VAR_V_173] :
( pred_attacker(tuple_client_A_out_5(VAR_V_173))
=> pred_attacker(VAR_V_173) ) ).

fof(ax127,axiom,
! [VAR_V_176] :
( pred_attacker(VAR_V_176)
=> pred_attacker(tuple_client_A_out_3(VAR_V_176)) ) ).

fof(ax128,axiom,
! [VAR_V_179] :
( pred_attacker(tuple_client_A_out_3(VAR_V_179))
=> pred_attacker(VAR_V_179) ) ).

fof(ax129,axiom,
! [VAR_V_183,VAR_V_184] :
( ( pred_attacker(VAR_V_183)
& pred_attacker(VAR_V_184) )
=> pred_attacker(tuple_client_A_out_1(VAR_V_183,VAR_V_184)) ) ).

fof(ax130,axiom,
! [VAR_V_191,VAR_V_192] :
( pred_attacker(tuple_client_A_out_1(VAR_V_191,VAR_V_192))
=> pred_attacker(VAR_V_191) ) ).

fof(ax131,axiom,
! [VAR_V_194,VAR_V_195] :
( pred_attacker(tuple_client_A_out_1(VAR_V_194,VAR_V_195))
=> pred_attacker(VAR_V_195) ) ).

fof(ax132,axiom,
! [VAR_V_198] :
( pred_attacker(VAR_V_198)
=> pred_attacker(tuple_client_A_in_4(VAR_V_198)) ) ).

fof(ax133,axiom,
! [VAR_V_20X301] :
( pred_attacker(tuple_client_A_in_4(VAR_V_20X301))
=> pred_attacker(VAR_V_20X301) ) ).

fof(ax134,axiom,
! [VAR_V_20X304] :
( pred_attacker(VAR_V_20X304)
=> pred_attacker(tuple_client_A_in_2(VAR_V_20X304)) ) ).

fof(ax135,axiom,
! [VAR_V_20X307] :
( pred_attacker(tuple_client_A_in_2(VAR_V_20X307))
=> pred_attacker(VAR_V_20X307) ) ).

fof(ax136,axiom,
! [VAR_V_211,VAR_V_212] :
( ( pred_attacker(VAR_V_211)
& pred_attacker(VAR_V_212) )
=> pred_attacker(constr_checksign(VAR_V_211,VAR_V_212)) ) ).

fof(ax137,axiom,
! [VAR_V_215,VAR_V_216] :
( ( pred_attacker(VAR_V_215)
& pred_attacker(VAR_V_216) )
=> pred_attacker(constr_aenc(VAR_V_215,VAR_V_216)) ) ).

fof(ax138,axiom,
! [VAR_V_219,VAR_V_220X30] :
( ( pred_attacker(VAR_V_219)
& pred_attacker(VAR_V_220X30) )

fof(ax139,axiom,
pred_attacker(constr_CONST_4) ).

fof(ax140,axiom,
pred_attacker(constr_CONST_3) ).

fof(ax141,axiom,
pred_attacker(constr_CONST_2) ).

fof(ax142,axiom,
pred_attacker(constr_CONST_1) ).

fof(ax143,axiom,
pred_attacker(constr_CONST_0x30) ).

fof(ax144,axiom,
! [VAR_V_227,VAR_V_228] :
( ( pred_attacker(VAR_V_227)
& pred_attacker(VAR_V_228) )
=> pred_attacker(tuple_2(VAR_V_227,VAR_V_228)) ) ).

fof(ax145,axiom,
! [VAR_V_235,VAR_V_236] :
( pred_attacker(tuple_2(VAR_V_235,VAR_V_236))
=> pred_attacker(VAR_V_235) ) ).

fof(ax146,axiom,
! [VAR_V_238,VAR_V_239] :
( pred_attacker(tuple_2(VAR_V_238,VAR_V_239))
=> pred_attacker(VAR_V_239) ) ).

fof(ax147,axiom,
! [VAR_V_241,VAR_V_242] :
( ( pred_mess(VAR_V_242,VAR_V_241)
& pred_attacker(VAR_V_242) )
=> pred_attacker(VAR_V_241) ) ).

fof(ax148,axiom,
! [VAR_V_243,VAR_V_244] :
( ( pred_attacker(VAR_V_244)
& pred_attacker(VAR_V_243) )
=> pred_mess(VAR_V_244,VAR_V_243) ) ).

fof(ax149,axiom,
pred_attacker(name_c) ).

fof(ax150,axiom,
pred_attacker(name_I) ).

fof(ax151,axiom,
pred_attacker(name_B) ).

fof(ax152,axiom,
pred_attacker(name_A) ).

fof(ax153,axiom,
! [VAR_V_246] : pred_equal(VAR_V_246,VAR_V_246) ).

fof(ax154,axiom,
! [VAR_V_247] : pred_attacker(name_new0x2Dname(VAR_V_247)) ).

fof(ax155,axiom,
pred_table(tuple_keys(name_A,constr_pkey(name_skA))) ).

fof(ax156,axiom,
pred_table(tuple_keys(name_B,constr_pkey(name_skB))) ).

fof(ax157,axiom,
pred_attacker(tuple_out_1(constr_pkey(name_skA))) ).

fof(ax158,axiom,
pred_attacker(tuple_out_2(constr_pkey(name_skB))) ).

fof(ax159,axiom,
pred_attacker(tuple_out_3(constr_pkey(name_skS))) ).

fof(ax160,axiom,
pred_attacker(tuple_client_A_out_1(name_A,name_I)) ).

fof(ax161,axiom,
! [VAR_0X40SID_367,VAR_SIGN_I_PKI_366] :
( ( pred_eq_bitstring_bitstring(name_I,constr_tuple_2_get_0x30(constr_checksign(VAR_SIGN_I_PKI_366,constr_pkey(name_skS))))
& pred_attacker(tuple_client_A_in_2(VAR_SIGN_I_PKI_366)) )
=> pred_attacker(tuple_client_A_out_3(constr_aenc(tuple_2(name_Na(VAR_0X40SID_367),name_A),constr_tuple_2_get_1_bitstring(constr_checksign(VAR_SIGN_I_PKI_366,constr_pkey(name_skS)))))) ) ).

fof(ax162,axiom,
! [VAR_0X40SID_415,VAR_AENC_NA_NI_416,VAR_SIGN_I_PKI_417] :
& pred_attacker(tuple_client_A_in_4(VAR_AENC_NA_NI_416))
& pred_eq_bitstring_bitstring(name_I,constr_tuple_2_get_0x30(constr_checksign(VAR_SIGN_I_PKI_417,constr_pkey(name_skS))))
& pred_attacker(tuple_client_A_in_2(VAR_SIGN_I_PKI_417)) )

fof(ax163,axiom,
pred_attacker(tuple_client_B_out_1(name_B,name_A)) ).

fof(ax164,axiom,
! [VAR_0X40SID_524,VAR_AENC_NA_A_522,VAR_SIGN_A_PKA_523] :
& pred_attacker(tuple_client_B_in_3(VAR_AENC_NA_A_522))
& pred_eq_bitstring_bitstring(name_A,constr_tuple_2_get_0x30(constr_checksign(VAR_SIGN_A_PKA_523,constr_pkey(name_skS))))
& pred_attacker(tuple_client_B_in_2(VAR_SIGN_A_PKA_523)) )

fof(ax165,axiom,
! [VAR_0X40SID_546,VAR_AENC_NA_A_548,VAR_AENC_NB_547,VAR_SIGN_A_PKA_549] :
& pred_attacker(tuple_client_B_in_5(VAR_AENC_NB_547))
& pred_attacker(tuple_client_B_in_3(VAR_AENC_NA_A_548))
& pred_eq_bitstring_bitstring(name_A,constr_tuple_2_get_0x30(constr_checksign(VAR_SIGN_A_PKA_549,constr_pkey(name_skS))))
& pred_attacker(tuple_client_B_in_2(VAR_SIGN_A_PKA_549)) )
=> pred_attacker(tuple_client_B_out_6(name_objective)) ) ).

fof(ax166,axiom,
! [VAR_DST_588,VAR_PKDST_589,VAR_SRC_590X30] :
( ( pred_table(tuple_keys(VAR_DST_588,VAR_PKDST_589))
& pred_attacker(tuple_key_retrieval_server_in_1(VAR_SRC_590X30,VAR_DST_588)) )
=> pred_attacker(tuple_key_retrieval_server_out_2(constr_sign(tuple_2(VAR_DST_588,VAR_PKDST_589),name_skS))) ) ).

fof(ax167,axiom,
! [VAR_HOST_642,VAR_PK_643] :
( ( VAR_HOST_642 != name_B
& VAR_HOST_642 != name_A
& pred_attacker(tuple_key_register_server_in_1(VAR_HOST_642,VAR_PK_643)) )
=> pred_table(tuple_keys(VAR_HOST_642,VAR_PK_643)) ) ).

fof(co0,conjecture,
! [VAR_V_651] : pred_attacker(tuple_2(name_Nb(VAR_V_651),name_objective)) ).

%--------------------------------------------------------------------------
```