TSTP Solution File: SWV332-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SWV332-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n010.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 : Wed Jul 27 13:20:30 EDT 2022

% Result   : Unsatisfiable 1.62s 1.89s
% Output   : Refutation 1.62s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   16
% Syntax   : Number of clauses     :   29 (  15 unt;   5 nHn;  28 RR)
%            Number of literals    :   55 (  11 equ;  25 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :   31 (  31 usr;  16 con; 0-4 aty)
%            Number of variables   :   51 (  19 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ c_in(A,c_Message_Oanalz(B),tc_Message_Omsg)
    | c_in(A,c_Message_Oparts(B),tc_Message_Omsg) ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ c_in(c_Message_Omsg_OMPair(A,B),c_Message_Oanalz(C),tc_Message_Omsg)
    | c_in(B,c_Message_Oanalz(C),tc_Message_Omsg) ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ c_in(c_Message_Omsg_OMPair(A,B),c_Message_Oanalz(C),tc_Message_Omsg)
    | c_in(A,c_Message_Oanalz(C),tc_Message_Omsg) ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ c_in(A,c_Event_Obad,tc_Message_Oagent)
    | ~ c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(A),B),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,C)),tc_Message_Omsg)
    | c_in(B,c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,C)),tc_Message_Omsg) ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))
    | ~ c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(E,F)))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,A)),tc_Message_Omsg)
    | c_in(B,c_Event_Obad,tc_Message_Oagent)
    | c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,B,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(E,F)))),c_Message_Omsg_OCrypt(c_Public_OshrK(C),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(B),c_Message_Omsg_OKey(D))))),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent) ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))
    | ~ c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OKey(D))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,A)),tc_Message_Omsg)
    | c_in(B,c_Event_Obad,tc_Message_Oagent)
    | c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,C,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(C),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(B),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_sko__2ji(C,B,D,A)),c_Message_Omsg_ONonce(v_sko__2jj(C,B,D,A)))))),c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OKey(D))))),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent) ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))
    | ~ c_in(c_Event_Oevent_OGets(B,C),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)
    | c_in(C,c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,A)),tc_Message_Omsg) ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))
    | ~ c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,B,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(E,F)))),G)),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)
    | ~ c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,H,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(H),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(I),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(J,K)))),L)),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)
    | H = B ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))
    | ~ c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,B,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(E,F)))),G)),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)
    | ~ c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,H,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(H),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(I),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(J,K)))),L)),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)
    | I = C ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(10,axiom,
    ( A != v_X
    | v_B != v_Ba
    | v_A != v_Aa ),
    file('SWV332-2.p',unknown),
    [] ).

cnf(11,plain,
    ( A != v_X
    | v_Ba != v_B
    | v_Aa != v_A ),
    inference(flip,[status(thm),theory(equality)],[inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[10])])]),
    [iquote('copy,10,flip.2,flip.3')] ).

cnf(12,axiom,
    ~ c_in(c_Message_Omsg_OKey(v_K),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    file('SWV332-2.p',unknown),
    [] ).

cnf(13,axiom,
    ~ c_in(v_B,c_Event_Obad,tc_Message_Oagent),
    file('SWV332-2.p',unknown),
    [] ).

cnf(16,axiom,
    A = A,
    file('SWV332-2.p',unknown),
    [] ).

cnf(17,axiom,
    c_in(v_evs4,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent)),
    file('SWV332-2.p',unknown),
    [] ).

cnf(18,axiom,
    c_in(c_Event_Oevent_OGets(v_Aa,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(v_Aa),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NA),c_Message_Omsg_ONonce(v_NB))))),v_X)),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent),
    file('SWV332-2.p',unknown),
    [] ).

cnf(19,axiom,
    c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OKey(v_K))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    file('SWV332-2.p',unknown),
    [] ).

cnf(28,plain,
    c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,v_A,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_B),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_sko__2ji(v_A,v_B,v_K,v_evs4)),c_Message_Omsg_ONonce(v_sko__2jj(v_A,v_B,v_K,v_evs4)))))),c_Message_Omsg_OCrypt(c_Public_OshrK(v_B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OKey(v_K))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[19,6,17]),13]),
    [iquote('hyper,19,6,17,unit_del,13')] ).

cnf(55,plain,
    c_in(c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(v_Aa),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NA),c_Message_Omsg_ONonce(v_NB))))),v_X),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    inference(hyper,[status(thm)],[18,7,17]),
    [iquote('hyper,18,7,17')] ).

cnf(100,plain,
    c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_Aa),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NA),c_Message_Omsg_ONonce(v_NB))))),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    inference(hyper,[status(thm)],[55,3]),
    [iquote('hyper,55,3')] ).

cnf(104,plain,
    c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_Aa),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NA),c_Message_Omsg_ONonce(v_NB))))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    inference(hyper,[status(thm)],[100,1]),
    [iquote('hyper,100,1')] ).

cnf(105,plain,
    ( c_in(v_Aa,c_Event_Obad,tc_Message_Oagent)
    | c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,v_Aa,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(v_Aa),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NA),c_Message_Omsg_ONonce(v_NB))))),c_Message_Omsg_OCrypt(c_Public_OshrK(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_Aa),c_Message_Omsg_OKey(v_K))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent) ),
    inference(hyper,[status(thm)],[104,5,17]),
    [iquote('hyper,104,5,17')] ).

cnf(107,plain,
    ( v_Ba = v_B
    | c_in(v_Aa,c_Event_Obad,tc_Message_Oagent) ),
    inference(flip,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[28,9,17,105])]),
    [iquote('hyper,28,9,17,105,flip.1')] ).

cnf(108,plain,
    ( v_Aa = v_A
    | c_in(v_Aa,c_Event_Obad,tc_Message_Oagent) ),
    inference(flip,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[28,8,17,105])]),
    [iquote('hyper,28,8,17,105,flip.1')] ).

cnf(117,plain,
    c_in(v_Aa,c_Event_Obad,tc_Message_Oagent),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[108,11,16,107])]),
    [iquote('hyper,108,11,16,107,factor_simp')] ).

cnf(118,plain,
    c_in(c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NA),c_Message_Omsg_ONonce(v_NB)))),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    inference(hyper,[status(thm)],[117,4,100]),
    [iquote('hyper,117,4,100')] ).

cnf(126,plain,
    c_in(c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NA),c_Message_Omsg_ONonce(v_NB))),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    inference(hyper,[status(thm)],[118,2]),
    [iquote('hyper,118,2')] ).

cnf(129,plain,
    c_in(c_Message_Omsg_OKey(v_K),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    inference(hyper,[status(thm)],[126,3]),
    [iquote('hyper,126,3')] ).

cnf(130,plain,
    $false,
    inference(binary,[status(thm)],[129,12]),
    [iquote('binary,129.1,12.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SWV332-2 : TPTP v8.1.0. Released v3.2.0.
% 0.12/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n010.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 06:17:09 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.62/1.84  ----- Otter 3.3f, August 2004 -----
% 1.62/1.84  The process was started by sandbox on n010.cluster.edu,
% 1.62/1.84  Wed Jul 27 06:17:09 2022
% 1.62/1.84  The command was "./otter".  The process ID is 28462.
% 1.62/1.84  
% 1.62/1.84  set(prolog_style_variables).
% 1.62/1.84  set(auto).
% 1.62/1.84     dependent: set(auto1).
% 1.62/1.84     dependent: set(process_input).
% 1.62/1.84     dependent: clear(print_kept).
% 1.62/1.84     dependent: clear(print_new_demod).
% 1.62/1.84     dependent: clear(print_back_demod).
% 1.62/1.84     dependent: clear(print_back_sub).
% 1.62/1.84     dependent: set(control_memory).
% 1.62/1.84     dependent: assign(max_mem, 12000).
% 1.62/1.84     dependent: assign(pick_given_ratio, 4).
% 1.62/1.84     dependent: assign(stats_level, 1).
% 1.62/1.84     dependent: assign(max_seconds, 10800).
% 1.62/1.84  clear(print_given).
% 1.62/1.84  
% 1.62/1.84  list(usable).
% 1.62/1.84  0 [] A=A.
% 1.62/1.84  0 [] -c_in(V_X,c_Message_Oanalz(V_H),tc_Message_Omsg)|c_in(V_X,c_Message_Oparts(V_H),tc_Message_Omsg).
% 1.62/1.84  0 [] -c_in(c_Message_Omsg_OMPair(V_X,V_Y),c_Message_Oanalz(V_H),tc_Message_Omsg)|c_in(V_Y,c_Message_Oanalz(V_H),tc_Message_Omsg).
% 1.62/1.84  0 [] -c_in(c_Message_Omsg_OMPair(V_X,V_Y),c_Message_Oanalz(V_H),tc_Message_Omsg)|c_in(V_X,c_Message_Oanalz(V_H),tc_Message_Omsg).
% 1.62/1.84  0 [] -c_in(V_A,c_Event_Obad,tc_Message_Oagent)| -c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(V_A),V_X),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,V_evs)),tc_Message_Omsg)|c_in(V_X,c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,V_evs)),tc_Message_Omsg).
% 1.62/1.84  0 [] -c_in(V_evs,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(V_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_B),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(V_K),c_Message_Omsg_OMPair(V_na,V_nb)))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,V_evs)),tc_Message_Omsg)|c_in(V_A,c_Event_Obad,tc_Message_Oagent)|c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,V_A,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(V_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_B),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(V_K),c_Message_Omsg_OMPair(V_na,V_nb)))),c_Message_Omsg_OCrypt(c_Public_OshrK(V_B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_A),c_Message_Omsg_OKey(V_K))))),c_List_Oset(V_evs,tc_Event_Oevent),tc_Event_Oevent).
% 1.62/1.84  0 [] -c_in(V_evs,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(V_B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_A),c_Message_Omsg_OKey(V_K))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,V_evs)),tc_Message_Omsg)|c_in(V_B,c_Event_Obad,tc_Message_Oagent)|c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,V_A,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(V_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_B),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(V_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_sko__2ji(V_A,V_B,V_K,V_evs)),c_Message_Omsg_ONonce(v_sko__2jj(V_A,V_B,V_K,V_evs)))))),c_Message_Omsg_OCrypt(c_Public_OshrK(V_B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_A),c_Message_Omsg_OKey(V_K))))),c_List_Oset(V_evs,tc_Event_Oevent),tc_Event_Oevent).
% 1.62/1.84  0 [] -c_in(V_evs,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Event_Oevent_OGets(V_B,V_X),c_List_Oset(V_evs,tc_Event_Oevent),tc_Event_Oevent)|c_in(V_X,c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,V_evs)),tc_Message_Omsg).
% 1.62/1.84  0 [] -c_in(V_evs,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,V_A_H,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(V_A_H),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_B_H),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(V_K),c_Message_Omsg_OMPair(V_na_H,V_nb_H)))),V_X_H)),c_List_Oset(V_evs,tc_Event_Oevent),tc_Event_Oevent)| -c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,V_A,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(V_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_B),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(V_K),c_Message_Omsg_OMPair(V_na,V_nb)))),V_X)),c_List_Oset(V_evs,tc_Event_Oevent),tc_Event_Oevent)|V_A=V_A_H.
% 1.62/1.84  0 [] -c_in(V_evs,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,V_A_H,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(V_A_H),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_B_H),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(V_K),c_Message_Omsg_OMPair(V_na_H,V_nb_H)))),V_X_H)),c_List_Oset(V_evs,tc_Event_Oevent),tc_Event_Oevent)| -c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,V_A,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(V_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(V_B),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(V_K),c_Message_Omsg_OMPair(V_na,V_nb)))),V_X)),c_List_Oset(V_evs,tc_Event_Oevent),tc_Event_Oevent)|V_B=V_B_H.
% 1.62/1.84  0 [] c_in(v_evs4,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent)).
% 1.62/1.84  0 [] V_U!=v_X|v_B!=v_Ba|v_A!=v_Aa.
% 1.62/1.84  0 [] c_in(c_Event_Oevent_OGets(v_Aa,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(v_Aa),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NA),c_Message_Omsg_ONonce(v_NB))))),v_X)),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent).
% 1.62/1.84  0 [] -c_in(c_Message_Omsg_OKey(v_K),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg).
% 1.62/1.84  0 [] c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OKey(v_K))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg).
% 1.62/1.84  0 [] -c_in(v_B,c_Event_Obad,tc_Message_Oagent).
% 1.62/1.84  end_of_list.
% 1.62/1.84  
% 1.62/1.84  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.62/1.84  
% 1.62/1.84  This ia a non-Horn set with equality.  The strategy will be
% 1.62/1.84  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.62/1.84  deletion, with positive clauses in sos and nonpositive
% 1.62/1.84  clauses in usable.
% 1.62/1.84  
% 1.62/1.84     dependent: set(knuth_bendix).
% 1.62/1.84     dependent: set(anl_eq).
% 1.62/1.84     dependent: set(para_from).
% 1.62/1.84     dependent: set(para_into).
% 1.62/1.84     dependent: clear(para_from_right).
% 1.62/1.84     dependent: clear(para_into_right).
% 1.62/1.84     dependent: set(para_from_vars).
% 1.62/1.84     dependent: set(eq_units_both_ways).
% 1.62/1.84     dependent: set(dynamic_demod_all).
% 1.62/1.84     dependent: set(dynamic_demod).
% 1.62/1.84     dependent: set(order_eq).
% 1.62/1.84     dependent: set(back_demod).
% 1.62/1.84     dependent: set(lrpo).
% 1.62/1.84     dependent: set(hyper_res).
% 1.62/1.84     dependent: set(unit_deletion).
% 1.62/1.84     dependent: set(factor).
% 1.62/1.84  
% 1.62/1.84  ------------> process usable:
% 1.62/1.84  ** KEPT (pick-wt=10): 1 [] -c_in(A,c_Message_Oanalz(B),tc_Message_Omsg)|c_in(A,c_Message_Oparts(B),tc_Message_Omsg).
% 1.62/1.84  ** KEPT (pick-wt=12): 2 [] -c_in(c_Message_Omsg_OMPair(A,B),c_Message_Oanalz(C),tc_Message_Omsg)|c_in(B,c_Message_Oanalz(C),tc_Message_Omsg).
% 1.62/1.84  ** KEPT (pick-wt=12): 3 [] -c_in(c_Message_Omsg_OMPair(A,B),c_Message_Oanalz(C),tc_Message_Omsg)|c_in(A,c_Message_Oanalz(C),tc_Message_Omsg).
% 1.62/1.84  ** KEPT (pick-wt=21): 4 [] -c_in(A,c_Event_Obad,tc_Message_Oagent)| -c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(A),B),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,C)),tc_Message_Omsg)|c_in(B,c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,C)),tc_Message_Omsg).
% 1.62/1.84  ** KEPT (pick-wt=56): 5 [] -c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(E,F)))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,A)),tc_Message_Omsg)|c_in(B,c_Event_Obad,tc_Message_Oagent)|c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,B,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(E,F)))),c_Message_Omsg_OCrypt(c_Public_OshrK(C),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(B),c_Message_Omsg_OKey(D))))),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent).
% 1.62/1.84  ** KEPT (pick-wt=62): 6 [] -c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OKey(D))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,A)),tc_Message_Omsg)|c_in(B,c_Event_Obad,tc_Message_Oagent)|c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,C,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(C),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(B),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_sko__2ji(C,B,D,A)),c_Message_Omsg_ONonce(v_sko__2jj(C,B,D,A)))))),c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OKey(D))))),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent).
% 1.62/1.89  ** KEPT (pick-wt=20): 7 [] -c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Event_Oevent_OGets(B,C),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)|c_in(C,c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,A)),tc_Message_Omsg).
% 1.62/1.89  ** KEPT (pick-wt=52): 8 [] -c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,B,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(E,F)))),G)),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)| -c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,H,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(H),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(I),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(J,K)))),L)),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)|H=B.
% 1.62/1.89  ** KEPT (pick-wt=52): 9 [] -c_in(A,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,B,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(C),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(E,F)))),G)),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)| -c_in(c_Event_Oevent_OSays(c_Message_Oagent_OServer,H,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(H),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(I),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(D),c_Message_Omsg_OMPair(J,K)))),L)),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent)|I=C.
% 1.62/1.89  ** KEPT (pick-wt=9): 11 [copy,10,flip.2,flip.3] A!=v_X|v_Ba!=v_B|v_Aa!=v_A.
% 1.62/1.89  ** KEPT (pick-wt=8): 12 [] -c_in(c_Message_Omsg_OKey(v_K),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg).
% 1.62/1.89  ** KEPT (pick-wt=4): 13 [] -c_in(v_B,c_Event_Obad,tc_Message_Oagent).
% 1.62/1.89  
% 1.62/1.89  ------------> process sos:
% 1.62/1.89  ** KEPT (pick-wt=3): 16 [] A=A.
% 1.62/1.89  ** KEPT (pick-wt=5): 17 [] c_in(v_evs4,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent)).
% 1.62/1.89  ** KEPT (pick-wt=23): 18 [] c_in(c_Event_Oevent_OGets(v_Aa,c_Message_Omsg_OMPair(c_Message_Omsg_OCrypt(c_Public_OshrK(v_Aa),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_OKey(v_K),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NA),c_Message_Omsg_ONonce(v_NB))))),v_X)),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent).
% 1.62/1.89  ** KEPT (pick-wt=14): 19 [] c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_B),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OKey(v_K))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg).
% 1.62/1.89    Following clause subsumed by 16 during input processing: 0 [copy,16,flip.1] A=A.
% 1.62/1.89  16 back subsumes 15.
% 1.62/1.89  16 back subsumes 14.
% 1.62/1.89  
% 1.62/1.89  ======= end of input processing =======
% 1.62/1.89  
% 1.62/1.89  =========== start of search ===========
% 1.62/1.89  
% 1.62/1.89  
% 1.62/1.89  Resetting weight limit to 54.
% 1.62/1.89  
% 1.62/1.89  
% 1.62/1.89  Resetting weight limit to 54.
% 1.62/1.89  
% 1.62/1.89  sos_size=79
% 1.62/1.89  
% 1.62/1.89  -------- PROOF -------- 
% 1.62/1.89  
% 1.62/1.89  ----> UNIT CONFLICT at   0.05 sec ----> 130 [binary,129.1,12.1] $F.
% 1.62/1.89  
% 1.62/1.89  Length of proof is 12.  Level of proof is 9.
% 1.62/1.89  
% 1.62/1.89  ---------------- PROOF ----------------
% 1.62/1.89  % SZS status Unsatisfiable
% 1.62/1.89  % SZS output start Refutation
% See solution above
% 1.62/1.89  ------------ end of proof -------------
% 1.62/1.89  
% 1.62/1.89  
% 1.62/1.89  Search stopped by max_proofs option.
% 1.62/1.89  
% 1.62/1.89  
% 1.62/1.89  Search stopped by max_proofs option.
% 1.62/1.89  
% 1.62/1.89  ============ end of search ============
% 1.62/1.89  
% 1.62/1.89  -------------- statistics -------------
% 1.62/1.89  clauses given                 23
% 1.62/1.89  clauses generated            870
% 1.62/1.89  clauses kept                 128
% 1.62/1.89  clauses forward subsumed      97
% 1.62/1.89  clauses back subsumed         14
% 1.62/1.89  Kbytes malloced             4882
% 1.62/1.89  
% 1.62/1.89  ----------- times (seconds) -----------
% 1.62/1.89  user CPU time          0.05          (0 hr, 0 min, 0 sec)
% 1.62/1.89  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.62/1.89  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.62/1.89  
% 1.62/1.89  That finishes the proof of the theorem.
% 1.62/1.89  
% 1.62/1.89  Process 28462 finished Wed Jul 27 06:17:11 2022
% 1.62/1.89  Otter interrupted
% 1.62/1.89  PROOF FOUND
%------------------------------------------------------------------------------