TSTP Solution File: SWV331-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SWV331-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n003.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 1.86s
% Output   : Refutation 1.62s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    6
% Syntax   : Number of clauses     :    9 (   7 unt;   0 nHn;   9 RR)
%            Number of literals    :   14 (   0 equ;   6 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :   17 (  17 usr;   9 con; 0-2 aty)
%            Number of variables   :    5 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ c_in(c_Message_Omsg_OKey(v_K),c_Event_Oused(v_evs3),tc_Message_Omsg),
    file('SWV331-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ c_in(A,c_Message_OsymKeys,tc_nat)
    | ~ c_in(c_Message_Omsg_OCrypt(A,B),C,tc_Message_Omsg)
    | c_in(A,c_Message_OkeysFor(C),tc_nat) ),
    file('SWV331-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ c_in(A,c_Message_OkeysFor(c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,B))),tc_nat)
    | ~ c_in(A,c_Message_OsymKeys,tc_nat)
    | ~ c_in(B,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))
    | c_in(c_Message_Omsg_OKey(A),c_Event_Oused(B),tc_Message_Omsg) ),
    file('SWV331-2.p',unknown),
    [] ).

cnf(4,axiom,
    c_in(v_evs3,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent)),
    file('SWV331-2.p',unknown),
    [] ).

cnf(5,axiom,
    c_in(v_K,c_Message_OsymKeys,tc_nat),
    file('SWV331-2.p',unknown),
    [] ).

cnf(6,axiom,
    c_in(c_Message_Omsg_OCrypt(v_K,c_Message_Omsg_ONonce(v_NB)),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs3)),tc_Message_Omsg),
    file('SWV331-2.p',unknown),
    [] ).

cnf(7,plain,
    c_in(v_K,c_Message_OkeysFor(c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs3))),tc_nat),
    inference(hyper,[status(thm)],[6,2,5]),
    [iquote('hyper,6,2,5')] ).

cnf(8,plain,
    c_in(c_Message_Omsg_OKey(v_K),c_Event_Oused(v_evs3),tc_Message_Omsg),
    inference(hyper,[status(thm)],[7,3,5,4]),
    [iquote('hyper,7,3,5,4')] ).

cnf(9,plain,
    $false,
    inference(binary,[status(thm)],[8,1]),
    [iquote('binary,8.1,1.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SWV331-2 : TPTP v8.1.0. Released v3.2.0.
% 0.00/0.12  % Command  : otter-tptp-script %s
% 0.11/0.32  % Computer : n003.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Wed Jul 27 06:07:11 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 1.62/1.86  ----- Otter 3.3f, August 2004 -----
% 1.62/1.86  The process was started by sandbox on n003.cluster.edu,
% 1.62/1.86  Wed Jul 27 06:07:11 2022
% 1.62/1.86  The command was "./otter".  The process ID is 15706.
% 1.62/1.86  
% 1.62/1.86  set(prolog_style_variables).
% 1.62/1.86  set(auto).
% 1.62/1.86     dependent: set(auto1).
% 1.62/1.86     dependent: set(process_input).
% 1.62/1.86     dependent: clear(print_kept).
% 1.62/1.86     dependent: clear(print_new_demod).
% 1.62/1.86     dependent: clear(print_back_demod).
% 1.62/1.86     dependent: clear(print_back_sub).
% 1.62/1.86     dependent: set(control_memory).
% 1.62/1.86     dependent: assign(max_mem, 12000).
% 1.62/1.86     dependent: assign(pick_given_ratio, 4).
% 1.62/1.86     dependent: assign(stats_level, 1).
% 1.62/1.86     dependent: assign(max_seconds, 10800).
% 1.62/1.86  clear(print_given).
% 1.62/1.86  
% 1.62/1.86  list(usable).
% 1.62/1.86  0 [] c_in(v_evs3,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent)).
% 1.62/1.86  0 [] -c_in(c_Message_Omsg_OKey(v_K),c_Event_Oused(v_evs3),tc_Message_Omsg).
% 1.62/1.86  0 [] c_in(v_K,c_Message_OsymKeys,tc_nat).
% 1.62/1.86  0 [] c_in(c_Message_Omsg_OCrypt(v_K,c_Message_Omsg_ONonce(v_NB)),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs3)),tc_Message_Omsg).
% 1.62/1.86  0 [] -c_in(V_K,c_Message_OsymKeys,tc_nat)| -c_in(c_Message_Omsg_OCrypt(V_K,V_X),V_H,tc_Message_Omsg)|c_in(V_K,c_Message_OkeysFor(V_H),tc_nat).
% 1.62/1.86  0 [] -c_in(V_K,c_Message_OkeysFor(c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,V_evs))),tc_nat)| -c_in(V_K,c_Message_OsymKeys,tc_nat)| -c_in(V_evs,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))|c_in(c_Message_Omsg_OKey(V_K),c_Event_Oused(V_evs),tc_Message_Omsg).
% 1.62/1.86  end_of_list.
% 1.62/1.86  
% 1.62/1.86  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=4.
% 1.62/1.86  
% 1.62/1.86  This is a Horn set without equality.  The strategy will
% 1.62/1.86  be hyperresolution, with satellites in sos and nuclei
% 1.62/1.86  in usable.
% 1.62/1.86  
% 1.62/1.86     dependent: set(hyper_res).
% 1.62/1.86     dependent: clear(order_hyper).
% 1.62/1.86  
% 1.62/1.86  ------------> process usable:
% 1.62/1.86  ** KEPT (pick-wt=6): 1 [] -c_in(c_Message_Omsg_OKey(v_K),c_Event_Oused(v_evs3),tc_Message_Omsg).
% 1.62/1.86  ** KEPT (pick-wt=15): 2 [] -c_in(A,c_Message_OsymKeys,tc_nat)| -c_in(c_Message_Omsg_OCrypt(A,B),C,tc_Message_Omsg)|c_in(A,c_Message_OkeysFor(C),tc_nat).
% 1.62/1.86  ** KEPT (pick-wt=23): 3 [] -c_in(A,c_Message_OkeysFor(c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,B))),tc_nat)| -c_in(A,c_Message_OsymKeys,tc_nat)| -c_in(B,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent))|c_in(c_Message_Omsg_OKey(A),c_Event_Oused(B),tc_Message_Omsg).
% 1.62/1.86  
% 1.62/1.86  ------------> process sos:
% 1.62/1.86  ** KEPT (pick-wt=5): 4 [] c_in(v_evs3,c_Yahalom_Oyahalom,tc_List_Olist(tc_Event_Oevent)).
% 1.62/1.86  ** KEPT (pick-wt=4): 5 [] c_in(v_K,c_Message_OsymKeys,tc_nat).
% 1.62/1.86  ** KEPT (pick-wt=10): 6 [] c_in(c_Message_Omsg_OCrypt(v_K,c_Message_Omsg_ONonce(v_NB)),c_Message_Oparts(c_Event_Oknows(c_Message_Oagent_OSpy,v_evs3)),tc_Message_Omsg).
% 1.62/1.86  
% 1.62/1.86  ======= end of input processing =======
% 1.62/1.86  
% 1.62/1.86  =========== start of search ===========
% 1.62/1.86  
% 1.62/1.86  -------- PROOF -------- 
% 1.62/1.86  
% 1.62/1.86  ----> UNIT CONFLICT at   0.00 sec ----> 9 [binary,8.1,1.1] $F.
% 1.62/1.86  
% 1.62/1.86  Length of proof is 2.  Level of proof is 2.
% 1.62/1.86  
% 1.62/1.86  ---------------- PROOF ----------------
% 1.62/1.86  % SZS status Unsatisfiable
% 1.62/1.86  % SZS output start Refutation
% See solution above
% 1.62/1.86  ------------ end of proof -------------
% 1.62/1.86  
% 1.62/1.86  
% 1.62/1.86  Search stopped by max_proofs option.
% 1.62/1.86  
% 1.62/1.86  
% 1.62/1.86  Search stopped by max_proofs option.
% 1.62/1.86  
% 1.62/1.86  ============ end of search ============
% 1.62/1.86  
% 1.62/1.86  -------------- statistics -------------
% 1.62/1.86  clauses given                  4
% 1.62/1.87  clauses generated              2
% 1.62/1.87  clauses kept                   8
% 1.62/1.87  clauses forward subsumed       0
% 1.62/1.87  clauses back subsumed          0
% 1.62/1.87  Kbytes malloced              976
% 1.62/1.87  
% 1.62/1.87  ----------- times (seconds) -----------
% 1.62/1.87  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.62/1.87  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.62/1.87  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.62/1.87  
% 1.62/1.87  That finishes the proof of the theorem.
% 1.62/1.87  
% 1.62/1.87  Process 15706 finished Wed Jul 27 06:07:13 2022
% 1.62/1.87  Otter interrupted
% 1.62/1.87  PROOF FOUND
%------------------------------------------------------------------------------