TSTP Solution File: SWV292-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SWV292-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n023.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 13:20:24 EDT 2022

% Result   : Unsatisfiable 1.97s 2.17s
% Output   : Refutation 1.97s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   16
% Syntax   : Number of clauses     :   29 (  17 unt;   3 nHn;  29 RR)
%            Number of literals    :   46 (   0 equ;  17 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :   32 (  32 usr;  15 con; 0-3 aty)
%            Number of variables   :   29 (   4 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ c_in(v_A,c_Event_Obad,tc_Message_Oagent),
    file('SWV292-2.p',unknown),
    [] ).

cnf(2,axiom,
    ~ c_in(c_Event_Oevent_OSays(v_A,v_B,c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_B),c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent),
    file('SWV292-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( c_in(c_Event_Oevent_OSays(v_A,v_B,c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_B),c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent)
    | ~ c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(4,plain,
    ~ c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[3]),2]),
    [iquote('copy,3,unit_del,2')] ).

cnf(5,axiom,
    ( ~ c_in(c_Event_Oevent_OSays(A,B,C),c_List_Oset(D,tc_Event_Oevent),tc_Event_Oevent)
    | c_in(C,c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,D)),tc_Message_Omsg) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ c_in(c_Message_Omsg_OCrypt(A,B),c_Message_Osynth(C),tc_Message_Omsg)
    | c_in(c_Message_Omsg_OCrypt(A,B),C,tc_Message_Omsg)
    | c_in(c_Message_Omsg_OKey(A),C,tc_Message_Omsg) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ c_in(A,c_Message_Oparts(c_insert(B,C,tc_Message_Omsg)),tc_Message_Omsg)
    | ~ c_in(B,c_Message_Osynth(c_Message_Oanalz(C)),tc_Message_Omsg)
    | c_in(A,c_union(c_Message_Osynth(c_Message_Oanalz(C)),c_Message_Oparts(C),tc_Message_Omsg),tc_Message_Omsg) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(8,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('SWV292-2.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ c_in(c_Message_Omsg_OMPair(A,B),c_Message_Osynth(c_Message_Oanalz(C)),tc_Message_Omsg)
    | c_in(A,c_Message_Osynth(c_Message_Oanalz(C)),tc_Message_Omsg) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ c_in(A,c_Message_Oanalz(B),tc_Message_Omsg)
    | c_in(A,c_Message_Oparts(B),tc_Message_Omsg) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ c_in(A,B,tc_Message_Omsg)
    | c_in(A,c_Message_Osynth(B),tc_Message_Omsg) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ c_in(A,c_OtwayRees_Ootway,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_Event_Oevent_OSays(v_sko__usf(B,C,A),B,C),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ c_in(A,c_OtwayRees_Ootway,tc_List_Olist(tc_Event_Oevent))
    | ~ c_in(c_Message_Omsg_OKey(c_Public_OshrK(B)),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,A)),tc_Message_Omsg)
    | c_in(B,c_Event_Obad,tc_Message_Oagent) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ c_in(A,c_union(B,C,D),D)
    | c_in(A,C,D)
    | c_in(A,B,D) ),
    file('SWV292-2.p',unknown),
    [] ).

cnf(16,axiom,
    c_in(v_evs4,c_OtwayRees_Ootway,tc_List_Olist(tc_Event_Oevent)),
    file('SWV292-2.p',unknown),
    [] ).

cnf(17,axiom,
    c_in(c_Event_Oevent_OGets(v_Ba,c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NAa),c_Message_Omsg_OMPair(v_X,c_Message_Omsg_OCrypt(c_Public_OshrK(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NB),c_Message_Omsg_OKey(v_K)))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent),
    file('SWV292-2.p',unknown),
    [] ).

cnf(18,axiom,
    c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_Message_Oparts(c_insert(v_X,c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4),tc_Message_Omsg)),tc_Message_Omsg),
    file('SWV292-2.p',unknown),
    [] ).

cnf(20,plain,
    c_in(c_Event_Oevent_OSays(v_sko__usf(v_Ba,c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NAa),c_Message_Omsg_OMPair(v_X,c_Message_Omsg_OCrypt(c_Public_OshrK(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NB),c_Message_Omsg_OKey(v_K))))),v_evs4),v_Ba,c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NAa),c_Message_Omsg_OMPair(v_X,c_Message_Omsg_OCrypt(c_Public_OshrK(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NB),c_Message_Omsg_OKey(v_K)))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent),
    inference(hyper,[status(thm)],[17,12,16]),
    [iquote('hyper,17,12,16')] ).

cnf(23,plain,
    c_in(c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NAa),c_Message_Omsg_OMPair(v_X,c_Message_Omsg_OCrypt(c_Public_OshrK(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NB),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)],[20,5]),
    [iquote('hyper,20,5')] ).

cnf(26,plain,
    c_in(c_Message_Omsg_OMPair(v_X,c_Message_Omsg_OCrypt(c_Public_OshrK(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NB),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)],[23,8]),
    [iquote('hyper,23,8')] ).

cnf(27,plain,
    c_in(c_Message_Omsg_OMPair(v_X,c_Message_Omsg_OCrypt(c_Public_OshrK(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NB),c_Message_Omsg_OKey(v_K)))),c_Message_Osynth(c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4))),tc_Message_Omsg),
    inference(hyper,[status(thm)],[26,11]),
    [iquote('hyper,26,11')] ).

cnf(50,plain,
    c_in(v_X,c_Message_Osynth(c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4))),tc_Message_Omsg),
    inference(hyper,[status(thm)],[27,9]),
    [iquote('hyper,27,9')] ).

cnf(52,plain,
    c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_union(c_Message_Osynth(c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),tc_Message_Omsg),
    inference(hyper,[status(thm)],[50,7,18]),
    [iquote('hyper,50,7,18')] ).

cnf(76,plain,
    c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_Message_Osynth(c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4))),tc_Message_Omsg),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[52,14]),4]),
    [iquote('hyper,52,14,unit_del,4')] ).

cnf(79,plain,
    ( c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg)
    | c_in(c_Message_Omsg_OKey(c_Public_OshrK(v_A)),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg) ),
    inference(hyper,[status(thm)],[76,6]),
    [iquote('hyper,76,6')] ).

cnf(103,plain,
    c_in(c_Message_Omsg_OKey(c_Public_OshrK(v_A)),c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[79,10]),4]),
    [iquote('hyper,79,10,unit_del,4')] ).

cnf(107,plain,
    c_in(c_Message_Omsg_OKey(c_Public_OshrK(v_A)),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg),
    inference(hyper,[status(thm)],[103,10]),
    [iquote('hyper,103,10')] ).

cnf(108,plain,
    c_in(v_A,c_Event_Obad,tc_Message_Oagent),
    inference(hyper,[status(thm)],[107,13,16]),
    [iquote('hyper,107,13,16')] ).

cnf(109,plain,
    $false,
    inference(binary,[status(thm)],[108,1]),
    [iquote('binary,108.1,1.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SWV292-2 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n023.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Wed Jul 27 06:33:33 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.97/2.16  ----- Otter 3.3f, August 2004 -----
% 1.97/2.16  The process was started by sandbox2 on n023.cluster.edu,
% 1.97/2.16  Wed Jul 27 06:33:33 2022
% 1.97/2.16  The command was "./otter".  The process ID is 29217.
% 1.97/2.16  
% 1.97/2.16  set(prolog_style_variables).
% 1.97/2.16  set(auto).
% 1.97/2.16     dependent: set(auto1).
% 1.97/2.16     dependent: set(process_input).
% 1.97/2.16     dependent: clear(print_kept).
% 1.97/2.16     dependent: clear(print_new_demod).
% 1.97/2.16     dependent: clear(print_back_demod).
% 1.97/2.16     dependent: clear(print_back_sub).
% 1.97/2.16     dependent: set(control_memory).
% 1.97/2.16     dependent: assign(max_mem, 12000).
% 1.97/2.16     dependent: assign(pick_given_ratio, 4).
% 1.97/2.16     dependent: assign(stats_level, 1).
% 1.97/2.16     dependent: assign(max_seconds, 10800).
% 1.97/2.16  clear(print_given).
% 1.97/2.16  
% 1.97/2.16  list(usable).
% 1.97/2.16  0 [] -c_in(v_A,c_Event_Obad,tc_Message_Oagent).
% 1.97/2.16  0 [] c_in(v_evs4,c_OtwayRees_Ootway,tc_List_Olist(tc_Event_Oevent)).
% 1.97/2.16  0 [] c_in(c_Event_Oevent_OGets(v_Ba,c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NAa),c_Message_Omsg_OMPair(v_X,c_Message_Omsg_OCrypt(c_Public_OshrK(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NB),c_Message_Omsg_OKey(v_K)))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent).
% 1.97/2.16  0 [] c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_Message_Oparts(c_insert(v_X,c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4),tc_Message_Omsg)),tc_Message_Omsg).
% 1.97/2.16  0 [] -c_in(c_Event_Oevent_OSays(v_A,v_B,c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_B),c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent).
% 1.97/2.16  0 [] c_in(c_Event_Oevent_OSays(v_A,v_B,c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_B),c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent)| -c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg).
% 1.97/2.16  0 [] -c_in(c_Event_Oevent_OSays(V_A,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).
% 1.97/2.16  0 [] -c_in(c_Message_Omsg_OCrypt(V_K,V_X),c_Message_Osynth(V_H),tc_Message_Omsg)|c_in(c_Message_Omsg_OCrypt(V_K,V_X),V_H,tc_Message_Omsg)|c_in(c_Message_Omsg_OKey(V_K),V_H,tc_Message_Omsg).
% 1.97/2.16  0 [] -c_in(V_Z,c_Message_Oparts(c_insert(V_X,V_H,tc_Message_Omsg)),tc_Message_Omsg)| -c_in(V_X,c_Message_Osynth(c_Message_Oanalz(V_H)),tc_Message_Omsg)|c_in(V_Z,c_union(c_Message_Osynth(c_Message_Oanalz(V_H)),c_Message_Oparts(V_H),tc_Message_Omsg),tc_Message_Omsg).
% 1.97/2.16  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).
% 1.97/2.16  0 [] -c_in(c_Message_Omsg_OMPair(V_X,V_Y),c_Message_Osynth(c_Message_Oanalz(V_H)),tc_Message_Omsg)|c_in(V_X,c_Message_Osynth(c_Message_Oanalz(V_H)),tc_Message_Omsg).
% 1.97/2.16  0 [] -c_in(V_c,c_Message_Oanalz(V_H),tc_Message_Omsg)|c_in(V_c,c_Message_Oparts(V_H),tc_Message_Omsg).
% 1.97/2.16  0 [] -c_in(V_X,V_H,tc_Message_Omsg)|c_in(V_X,c_Message_Osynth(V_H),tc_Message_Omsg).
% 1.97/2.16  0 [] -c_in(V_evs,c_OtwayRees_Ootway,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(c_Event_Oevent_OSays(v_sko__usf(V_B,V_X,V_evs),V_B,V_X),c_List_Oset(V_evs,tc_Event_Oevent),tc_Event_Oevent).
% 1.97/2.16  0 [] -c_in(V_evs,c_OtwayRees_Ootway,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Message_Omsg_OKey(c_Public_OshrK(V_A)),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).
% 1.97/2.16  0 [] -c_in(V_c,c_union(V_A,V_B,T_a),T_a)|c_in(V_c,V_B,T_a)|c_in(V_c,V_A,T_a).
% 1.97/2.16  end_of_list.
% 1.97/2.16  
% 1.97/2.16  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=3.
% 1.97/2.16  
% 1.97/2.16  This is a non-Horn set without equality.  The strategy will
% 1.97/2.17  be ordered hyper_res, unit deletion, and factoring, with
% 1.97/2.17  satellites in sos and with nuclei in usable.
% 1.97/2.17  
% 1.97/2.17     dependent: set(hyper_res).
% 1.97/2.17     dependent: set(factor).
% 1.97/2.17     dependent: set(unit_deletion).
% 1.97/2.17  
% 1.97/2.17  ------------> process usable:
% 1.97/2.17  ** KEPT (pick-wt=4): 1 [] -c_in(v_A,c_Event_Obad,tc_Message_Oagent).
% 1.97/2.17  ** KEPT (pick-wt=26): 2 [] -c_in(c_Event_Oevent_OSays(v_A,v_B,c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_B),c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent).
% 1.97/2.17  ** KEPT (pick-wt=16): 4 [copy,3,unit_del,2] -c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4)),tc_Message_Omsg).
% 1.97/2.17  ** KEPT (pick-wt=16): 5 [] -c_in(c_Event_Oevent_OSays(A,B,C),c_List_Oset(D,tc_Event_Oevent),tc_Event_Oevent)|c_in(C,c_Message_Oanalz(c_Event_Oknows(c_Message_Oagent_OSpy,D)),tc_Message_Omsg).
% 1.97/2.17  ** KEPT (pick-wt=18): 6 [] -c_in(c_Message_Omsg_OCrypt(A,B),c_Message_Osynth(C),tc_Message_Omsg)|c_in(c_Message_Omsg_OCrypt(A,B),C,tc_Message_Omsg)|c_in(c_Message_Omsg_OKey(A),C,tc_Message_Omsg).
% 1.97/2.17  ** KEPT (pick-wt=24): 7 [] -c_in(A,c_Message_Oparts(c_insert(B,C,tc_Message_Omsg)),tc_Message_Omsg)| -c_in(B,c_Message_Osynth(c_Message_Oanalz(C)),tc_Message_Omsg)|c_in(A,c_union(c_Message_Osynth(c_Message_Oanalz(C)),c_Message_Oparts(C),tc_Message_Omsg),tc_Message_Omsg).
% 1.97/2.17  ** KEPT (pick-wt=12): 8 [] -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).
% 1.97/2.17  ** KEPT (pick-wt=14): 9 [] -c_in(c_Message_Omsg_OMPair(A,B),c_Message_Osynth(c_Message_Oanalz(C)),tc_Message_Omsg)|c_in(A,c_Message_Osynth(c_Message_Oanalz(C)),tc_Message_Omsg).
% 1.97/2.17  ** KEPT (pick-wt=10): 10 [] -c_in(A,c_Message_Oanalz(B),tc_Message_Omsg)|c_in(A,c_Message_Oparts(B),tc_Message_Omsg).
% 1.97/2.17  ** KEPT (pick-wt=9): 11 [] -c_in(A,B,tc_Message_Omsg)|c_in(A,c_Message_Osynth(B),tc_Message_Omsg).
% 1.97/2.17  ** KEPT (pick-wt=25): 12 [] -c_in(A,c_OtwayRees_Ootway,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_Event_Oevent_OSays(v_sko__usf(B,C,A),B,C),c_List_Oset(A,tc_Event_Oevent),tc_Event_Oevent).
% 1.97/2.17  ** KEPT (pick-wt=18): 13 [] -c_in(A,c_OtwayRees_Ootway,tc_List_Olist(tc_Event_Oevent))| -c_in(c_Message_Omsg_OKey(c_Public_OshrK(B)),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,A)),tc_Message_Omsg)|c_in(B,c_Event_Obad,tc_Message_Oagent).
% 1.97/2.17  ** KEPT (pick-wt=15): 14 [] -c_in(A,c_union(B,C,D),D)|c_in(A,C,D)|c_in(A,B,D).
% 1.97/2.17  
% 1.97/2.17  ------------> process sos:
% 1.97/2.17  ** KEPT (pick-wt=5): 16 [] c_in(v_evs4,c_OtwayRees_Ootway,tc_List_Olist(tc_Event_Oevent)).
% 1.97/2.17  ** KEPT (pick-wt=20): 17 [] c_in(c_Event_Oevent_OGets(v_Ba,c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NAa),c_Message_Omsg_OMPair(v_X,c_Message_Omsg_OCrypt(c_Public_OshrK(v_Ba),c_Message_Omsg_OMPair(c_Message_Omsg_ONonce(v_NB),c_Message_Omsg_OKey(v_K)))))),c_List_Oset(v_evs4,tc_Event_Oevent),tc_Event_Oevent).
% 1.97/2.17  ** KEPT (pick-wt=19): 18 [] c_in(c_Message_Omsg_OCrypt(c_Public_OshrK(v_A),c_Message_Omsg_OMPair(v_NA,c_Message_Omsg_OMPair(c_Message_Omsg_OAgent(v_A),c_Message_Omsg_OAgent(v_B)))),c_Message_Oparts(c_insert(v_X,c_Event_Oknows(c_Message_Oagent_OSpy,v_evs4),tc_Message_Omsg)),tc_Message_Omsg).
% 1.97/2.17  
% 1.97/2.17  ======= end of input processing =======
% 1.97/2.17  
% 1.97/2.17  =========== start of search ===========
% 1.97/2.17  
% 1.97/2.17  -------- PROOF -------- 
% 1.97/2.17  
% 1.97/2.17  ----> UNIT CONFLICT at   0.01 sec ----> 109 [binary,108.1,1.1] $F.
% 1.97/2.17  
% 1.97/2.17  Length of proof is 12.  Level of proof is 11.
% 1.97/2.17  
% 1.97/2.17  ---------------- PROOF ----------------
% 1.97/2.17  % SZS status Unsatisfiable
% 1.97/2.17  % SZS output start Refutation
% See solution above
% 1.97/2.17  ------------ end of proof -------------
% 1.97/2.17  
% 1.97/2.17  
% 1.97/2.17  Search stopped by max_proofs option.
% 1.97/2.17  
% 1.97/2.17  
% 1.97/2.17  Search stopped by max_proofs option.
% 1.97/2.17  
% 1.97/2.17  ============ end of search ============
% 1.97/2.17  
% 1.97/2.17  -------------- statistics -------------
% 1.97/2.17  clauses given                 78
% 1.97/2.17  clauses generated            115
% 1.97/2.17  clauses kept                 107
% 1.97/2.17  clauses forward subsumed      24
% 1.97/2.17  clauses back subsumed          3
% 1.97/2.17  Kbytes malloced             1953
% 1.97/2.17  
% 1.97/2.17  ----------- times (seconds) -----------
% 1.97/2.17  user CPU time          0.01          (0 hr, 0 min, 0 sec)
% 1.97/2.17  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.97/2.17  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.97/2.17  
% 1.97/2.17  That finishes the proof of the theorem.
% 1.97/2.17  
% 1.97/2.17  Process 29217 finished Wed Jul 27 06:33:35 2022
% 1.97/2.17  Otter interrupted
% 1.97/2.17  PROOF FOUND
%------------------------------------------------------------------------------