TSTP Solution File: SWV010+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SWV010+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n004.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 13:19:40 EDT 2022

% Result   : Unknown 1.73s 1.88s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SWV010+1 : TPTP v8.1.0. Released v2.4.0.
% 0.06/0.12  % Command  : otter-tptp-script %s
% 0.14/0.33  % Computer : n004.cluster.edu
% 0.14/0.33  % Model    : x86_64 x86_64
% 0.14/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.33  % Memory   : 8042.1875MB
% 0.14/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33  % CPULimit : 300
% 0.14/0.33  % WCLimit  : 300
% 0.14/0.33  % DateTime : Wed Jul 27 05:38:06 EDT 2022
% 0.14/0.33  % CPUTime  : 
% 1.73/1.88  ----- Otter 3.3f, August 2004 -----
% 1.73/1.88  The process was started by sandbox on n004.cluster.edu,
% 1.73/1.88  Wed Jul 27 05:38:06 2022
% 1.73/1.88  The command was "./otter".  The process ID is 22355.
% 1.73/1.88  
% 1.73/1.88  set(prolog_style_variables).
% 1.73/1.88  set(auto).
% 1.73/1.88     dependent: set(auto1).
% 1.73/1.88     dependent: set(process_input).
% 1.73/1.88     dependent: clear(print_kept).
% 1.73/1.88     dependent: clear(print_new_demod).
% 1.73/1.88     dependent: clear(print_back_demod).
% 1.73/1.88     dependent: clear(print_back_sub).
% 1.73/1.88     dependent: set(control_memory).
% 1.73/1.88     dependent: assign(max_mem, 12000).
% 1.73/1.88     dependent: assign(pick_given_ratio, 4).
% 1.73/1.88     dependent: assign(stats_level, 1).
% 1.73/1.88     dependent: assign(max_seconds, 10800).
% 1.73/1.88  clear(print_given).
% 1.73/1.88  
% 1.73/1.88  formula_list(usable).
% 1.73/1.88  a_holds(key(at,t)).
% 1.73/1.88  party_of_protocol(a).
% 1.73/1.88  message(sent(a,b,pair(a,an_a_nonce))).
% 1.73/1.88  a_stored(pair(b,an_a_nonce)).
% 1.73/1.88  all U V W X Y Z (message(sent(t,a,triple(encrypt(quadruple(Y,Z,W,V),at),X,U)))&a_stored(pair(Y,Z))->message(sent(a,Y,pair(X,encrypt(U,W))))&a_holds(key(W,Y))).
% 1.73/1.88  b_holds(key(bt,t)).
% 1.73/1.88  party_of_protocol(b).
% 1.73/1.88  fresh_to_b(an_a_nonce).
% 1.73/1.88  all U V (message(sent(U,b,pair(U,V)))&fresh_to_b(V)->message(sent(b,t,triple(b,generate_b_nonce(V),encrypt(triple(U,V,generate_expiration_time(V)),bt))))&b_stored(pair(U,V))).
% 1.73/1.88  all V X Y (message(sent(X,b,pair(encrypt(triple(X,V,generate_expiration_time(Y)),bt),encrypt(generate_b_nonce(Y),V))))&b_stored(pair(X,Y))->b_holds(key(V,X))).
% 1.73/1.88  t_holds(key(at,a)).
% 1.73/1.88  t_holds(key(bt,b)).
% 1.73/1.88  party_of_protocol(t).
% 1.73/1.88  all U V W X Y Z X1 (message(sent(U,t,triple(U,V,encrypt(triple(W,X,Y),Z))))&t_holds(key(Z,U))&t_holds(key(X1,W))->message(sent(t,W,triple(encrypt(quadruple(U,X,generate_key(X),Y),X1),encrypt(triple(W,generate_key(X),Y),Z),V)))).
% 1.73/1.88  end_of_list.
% 1.73/1.88  
% 1.73/1.88  -------> usable clausifies to:
% 1.73/1.88  
% 1.73/1.88  list(usable).
% 1.73/1.88  0 [] a_holds(key(at,t)).
% 1.73/1.88  0 [] party_of_protocol(a).
% 1.73/1.88  0 [] message(sent(a,b,pair(a,an_a_nonce))).
% 1.73/1.88  0 [] a_stored(pair(b,an_a_nonce)).
% 1.73/1.88  0 [] -message(sent(t,a,triple(encrypt(quadruple(Y,Z,W,V),at),X,U)))| -a_stored(pair(Y,Z))|message(sent(a,Y,pair(X,encrypt(U,W)))).
% 1.73/1.88  0 [] -message(sent(t,a,triple(encrypt(quadruple(Y,Z,W,V),at),X,U)))| -a_stored(pair(Y,Z))|a_holds(key(W,Y)).
% 1.73/1.88  0 [] b_holds(key(bt,t)).
% 1.73/1.88  0 [] party_of_protocol(b).
% 1.73/1.88  0 [] fresh_to_b(an_a_nonce).
% 1.73/1.88  0 [] -message(sent(U,b,pair(U,V)))| -fresh_to_b(V)|message(sent(b,t,triple(b,generate_b_nonce(V),encrypt(triple(U,V,generate_expiration_time(V)),bt)))).
% 1.73/1.88  0 [] -message(sent(U,b,pair(U,V)))| -fresh_to_b(V)|b_stored(pair(U,V)).
% 1.73/1.88  0 [] -message(sent(X,b,pair(encrypt(triple(X,V,generate_expiration_time(Y)),bt),encrypt(generate_b_nonce(Y),V))))| -b_stored(pair(X,Y))|b_holds(key(V,X)).
% 1.73/1.88  0 [] t_holds(key(at,a)).
% 1.73/1.88  0 [] t_holds(key(bt,b)).
% 1.73/1.88  0 [] party_of_protocol(t).
% 1.73/1.88  0 [] -message(sent(U,t,triple(U,V,encrypt(triple(W,X,Y),Z))))| -t_holds(key(Z,U))| -t_holds(key(X1,W))|message(sent(t,W,triple(encrypt(quadruple(U,X,generate_key(X),Y),X1),encrypt(triple(W,generate_key(X),Y),Z),V))).
% 1.73/1.88  end_of_list.
% 1.73/1.88  
% 1.73/1.88  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=4.
% 1.73/1.88  
% 1.73/1.88  This is a Horn set without equality.  The strategy will
% 1.73/1.88  be hyperresolution, with satellites in sos and nuclei
% 1.73/1.88  in usable.
% 1.73/1.88  
% 1.73/1.88     dependent: set(hyper_res).
% 1.73/1.88     dependent: clear(order_hyper).
% 1.73/1.88  
% 1.73/1.88  ------------> process usable:
% 1.73/1.88  ** KEPT (pick-wt=27): 1 [] -message(sent(t,a,triple(encrypt(quadruple(A,B,C,D),at),E,F)))| -a_stored(pair(A,B))|message(sent(a,A,pair(E,encrypt(F,C)))).
% 1.73/1.88  ** KEPT (pick-wt=22): 2 [] -message(sent(t,a,triple(encrypt(quadruple(A,B,C,D),at),E,F)))| -a_stored(pair(A,B))|a_holds(key(C,A)).
% 1.73/1.88  ** KEPT (pick-wt=24): 3 [] -message(sent(A,b,pair(A,B)))| -fresh_to_b(B)|message(sent(b,t,triple(b,generate_b_nonce(B),encrypt(triple(A,B,generate_expiration_time(B)),bt)))).
% 1.73/1.88  ** KEPT (pick-wt=13): 4 [] -message(sent(A,b,pair(A,B)))| -fresh_to_b(B)|b_stored(pair(A,B)).
% 1.73/1.88  ** KEPT (pick-wt=24): 5 [] -message(sent(A,b,pair(encrypt(triple(A,B,generate_expiration_time(C)),bt),encrypt(generate_b_nonce(C),B))))| -b_stored(pair(A,C))|b_holds(key(B,A)).
% 1.73/1.88  ** KEPT (pick-wt=42): 6 [] -message(sent(A,t,triple(A,B,encrypt(triple(C,D,E),F))))| -t_holds(key(F,A))| -t_holds(key(G,C))|message(sent(t,C,triple(encrypt(quadruple(A,D,generate_key(D),E),G),encrypt(triple(C,generate_key(D),E),F),B))).
% 1.73/1.88  
% 1.73/1.88  ------------> process sos:
% 1.73/1.88  ** KEPT (pick-wt=4): 7 [] a_holds(key(at,t)).
% 1.73/1.88  ** KEPT (pick-wt=2): 8 [] party_of_protocol(a).
% 1.73/1.88  ** KEPT (pick-wt=7): 9 [] message(sent(a,b,pair(a,an_a_nonce))).
% 1.73/1.88  ** KEPT (pick-wt=4): 10 [] a_stored(pair(b,an_a_nonce)).
% 1.73/1.88  ** KEPT (pick-wt=4): 11 [] b_holds(key(bt,t)).
% 1.73/1.88  ** KEPT (pick-wt=2): 12 [] party_of_protocol(b).
% 1.73/1.88  ** KEPT (pick-wt=2): 13 [] fresh_to_b(an_a_nonce).
% 1.73/1.88  ** KEPT (pick-wt=4): 14 [] t_holds(key(at,a)).
% 1.73/1.88  ** KEPT (pick-wt=4): 15 [] t_holds(key(bt,b)).
% 1.73/1.88  ** KEPT (pick-wt=2): 16 [] party_of_protocol(t).
% 1.73/1.88  
% 1.73/1.88  ======= end of input processing =======
% 1.73/1.88  
% 1.73/1.88  =========== start of search ===========
% 1.73/1.88  
% 1.73/1.88  Search stopped because sos empty.
% 1.73/1.88  
% 1.73/1.88  
% 1.73/1.88  Search stopped because sos empty.
% 1.73/1.88  
% 1.73/1.88  ============ end of search ============
% 1.73/1.88  
% 1.73/1.88  -------------- statistics -------------
% 1.73/1.88  clauses given                 16
% 1.73/1.88  clauses generated              6
% 1.73/1.88  clauses kept                  22
% 1.73/1.88  clauses forward subsumed       0
% 1.73/1.88  clauses back subsumed          0
% 1.73/1.88  Kbytes malloced              976
% 1.73/1.88  
% 1.73/1.88  ----------- times (seconds) -----------
% 1.73/1.88  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.73/1.88  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.73/1.88  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.73/1.88  
% 1.73/1.88  Process 22355 finished Wed Jul 27 05:38:07 2022
% 1.73/1.88  Otter interrupted
% 1.73/1.88  PROOF NOT FOUND
%------------------------------------------------------------------------------