TSTP Solution File: LCL165-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LCL165-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n025.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 13:03:44 EDT 2022

% Result   : Unknown 4.70s 4.88s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : LCL165-1 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.13  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n025.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 09:32:45 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 4.70/4.87  ----- Otter 3.3f, August 2004 -----
% 4.70/4.87  The process was started by sandbox on n025.cluster.edu,
% 4.70/4.87  Wed Jul 27 09:32:45 2022
% 4.70/4.87  The command was "./otter".  The process ID is 8367.
% 4.70/4.87  
% 4.70/4.87  set(prolog_style_variables).
% 4.70/4.87  set(auto).
% 4.70/4.87     dependent: set(auto1).
% 4.70/4.87     dependent: set(process_input).
% 4.70/4.87     dependent: clear(print_kept).
% 4.70/4.87     dependent: clear(print_new_demod).
% 4.70/4.87     dependent: clear(print_back_demod).
% 4.70/4.87     dependent: clear(print_back_sub).
% 4.70/4.87     dependent: set(control_memory).
% 4.70/4.87     dependent: assign(max_mem, 12000).
% 4.70/4.87     dependent: assign(pick_given_ratio, 4).
% 4.70/4.87     dependent: assign(stats_level, 1).
% 4.70/4.87     dependent: assign(max_seconds, 10800).
% 4.70/4.87  clear(print_given).
% 4.70/4.87  
% 4.70/4.87  list(usable).
% 4.70/4.87  0 [] A=A.
% 4.70/4.87  0 [] implies(truth,X)=X.
% 4.70/4.87  0 [] implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))=truth.
% 4.70/4.87  0 [] implies(implies(X,Y),Y)=implies(implies(Y,X),X).
% 4.70/4.87  0 [] implies(implies(not(X),not(Y)),implies(Y,X))=truth.
% 4.70/4.87  0 [] or(X,Y)=implies(not(X),Y).
% 4.70/4.87  0 [] or(or(X,Y),Z)=or(X,or(Y,Z)).
% 4.70/4.87  0 [] or(X,Y)=or(Y,X).
% 4.70/4.87  0 [] and(X,Y)=not(or(not(X),not(Y))).
% 4.70/4.87  0 [] and(and(X,Y),Z)=and(X,and(Y,Z)).
% 4.70/4.87  0 [] and(X,Y)=and(Y,X).
% 4.70/4.87  0 [] not(or(and(x,or(x,x)),and(x,x)))!=and(not(x),or(or(not(x),not(x)),and(not(x),not(x)))).
% 4.70/4.87  end_of_list.
% 4.70/4.87  
% 4.70/4.87  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 4.70/4.87  
% 4.70/4.87  All clauses are units, and equality is present; the
% 4.70/4.87  strategy will be Knuth-Bendix with positive clauses in sos.
% 4.70/4.87  
% 4.70/4.87     dependent: set(knuth_bendix).
% 4.70/4.87     dependent: set(anl_eq).
% 4.70/4.87     dependent: set(para_from).
% 4.70/4.87     dependent: set(para_into).
% 4.70/4.87     dependent: clear(para_from_right).
% 4.70/4.87     dependent: clear(para_into_right).
% 4.70/4.87     dependent: set(para_from_vars).
% 4.70/4.87     dependent: set(eq_units_both_ways).
% 4.70/4.87     dependent: set(dynamic_demod_all).
% 4.70/4.87     dependent: set(dynamic_demod).
% 4.70/4.87     dependent: set(order_eq).
% 4.70/4.87     dependent: set(back_demod).
% 4.70/4.87     dependent: set(lrpo).
% 4.70/4.87  
% 4.70/4.87  ------------> process usable:
% 4.70/4.87  ** KEPT (pick-wt=25): 1 [] not(or(and(x,or(x,x)),and(x,x)))!=and(not(x),or(or(not(x),not(x)),and(not(x),not(x)))).
% 4.70/4.87  
% 4.70/4.87  ------------> process sos:
% 4.70/4.87  ** KEPT (pick-wt=3): 2 [] A=A.
% 4.70/4.87  ** KEPT (pick-wt=5): 3 [] implies(truth,A)=A.
% 4.70/4.87  ---> New Demodulator: 4 [new_demod,3] implies(truth,A)=A.
% 4.70/4.87  ** KEPT (pick-wt=13): 5 [] implies(implies(A,B),implies(implies(B,C),implies(A,C)))=truth.
% 4.70/4.87  ---> New Demodulator: 6 [new_demod,5] implies(implies(A,B),implies(implies(B,C),implies(A,C)))=truth.
% 4.70/4.87  ** KEPT (pick-wt=11): 7 [] implies(implies(A,B),B)=implies(implies(B,A),A).
% 4.70/4.87  ** KEPT (pick-wt=11): 8 [] implies(implies(not(A),not(B)),implies(B,A))=truth.
% 4.70/4.87  ---> New Demodulator: 9 [new_demod,8] implies(implies(not(A),not(B)),implies(B,A))=truth.
% 4.70/4.87  ** KEPT (pick-wt=8): 10 [] or(A,B)=implies(not(A),B).
% 4.70/4.87  ** KEPT (pick-wt=11): 11 [] or(or(A,B),C)=or(A,or(B,C)).
% 4.70/4.87  ---> New Demodulator: 12 [new_demod,11] or(or(A,B),C)=or(A,or(B,C)).
% 4.70/4.87  ** KEPT (pick-wt=7): 13 [] or(A,B)=or(B,A).
% 4.70/4.87  ** KEPT (pick-wt=10): 15 [copy,14,flip.1] not(or(not(A),not(B)))=and(A,B).
% 4.70/4.87  ---> New Demodulator: 16 [new_demod,15] not(or(not(A),not(B)))=and(A,B).
% 4.70/4.87  ** KEPT (pick-wt=11): 17 [] and(and(A,B),C)=and(A,and(B,C)).
% 4.70/4.87  ---> New Demodulator: 18 [new_demod,17] and(and(A,B),C)=and(A,and(B,C)).
% 4.70/4.87  ** KEPT (pick-wt=7): 19 [] and(A,B)=and(B,A).
% 4.70/4.87    Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 4.70/4.88  >>>> Starting back demodulation with 4.
% 4.70/4.88  >>>> Starting back demodulation with 6.
% 4.70/4.88    Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] implies(implies(A,B),B)=implies(implies(B,A),A).
% 4.70/4.88  >>>> Starting back demodulation with 9.
% 4.70/4.88  ** KEPT (pick-wt=8): 20 [copy,10,flip.1] implies(not(A),B)=or(A,B).
% 4.70/4.88  >>>> Starting back demodulation with 12.
% 4.70/4.88      >> back demodulating 1 with 12.
% 4.70/4.88    Following clause subsumed by 13 during input processing: 0 [copy,13,flip.1] or(A,B)=or(B,A).
% 4.70/4.88  >>>> Starting back demodulation with 16.
% 4.70/4.88  >>>> Starting back demodulation with 18.
% 4.70/4.88    Following clause subsumed by 19 during input processing: 0 [copy,19,flip.1] and(A,B)=and(B,A).
% 4.70/4.88    Following clause subsumed by 10 during input processing: 0 [copy,20,flip.1] or(A,B)=implies(not(A),B).
% 4.70/4.88  
% 4.70/4.88  ======= end of input processing =======
% 4.70/4.88  
% 4.70/4.88  =========== start of search ===========
% 4.70/4.88  
% 4.70/4.88  
% 4.70/4.88  Resetting weight limit to 9.
% 4.70/4.88  
% 4.70/4.88  
% 4.70/4.88  Resetting weight limit to 9.
% 4.70/4.88  
% 4.70/4.88  sos_size=553
% 4.70/4.88  
% 4.70/4.88  Search stopped because sos empty.
% 4.70/4.88  
% 4.70/4.88  
% 4.70/4.88  Search stopped because sos empty.
% 4.70/4.88  
% 4.70/4.88  ============ end of search ============
% 4.70/4.88  
% 4.70/4.88  -------------- statistics -------------
% 4.70/4.88  clauses given                642
% 4.70/4.88  clauses generated         482993
% 4.70/4.88  clauses kept                 738
% 4.70/4.88  clauses forward subsumed  216170
% 4.70/4.88  clauses back subsumed          0
% 4.70/4.88  Kbytes malloced             6835
% 4.70/4.88  
% 4.70/4.88  ----------- times (seconds) -----------
% 4.70/4.88  user CPU time          2.71          (0 hr, 0 min, 2 sec)
% 4.70/4.88  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 4.70/4.88  wall-clock time        5             (0 hr, 0 min, 5 sec)
% 4.70/4.88  
% 4.70/4.88  Process 8367 finished Wed Jul 27 09:32:50 2022
% 4.70/4.88  Otter interrupted
% 4.70/4.88  PROOF NOT FOUND
%------------------------------------------------------------------------------