TSTP Solution File: LAT241-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LAT241-1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n027.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 13:02:11 EDT 2022

% Result   : Unknown 5.57s 5.80s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LAT241-1 : TPTP v8.1.0. Released v3.1.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n027.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 08:24:36 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.75/1.93  ----- Otter 3.3f, August 2004 -----
% 1.75/1.93  The process was started by sandbox on n027.cluster.edu,
% 1.75/1.93  Wed Jul 27 08:24:36 2022
% 1.75/1.93  The command was "./otter".  The process ID is 10968.
% 1.75/1.93  
% 1.75/1.93  set(prolog_style_variables).
% 1.75/1.93  set(auto).
% 1.75/1.93     dependent: set(auto1).
% 1.75/1.93     dependent: set(process_input).
% 1.75/1.93     dependent: clear(print_kept).
% 1.75/1.93     dependent: clear(print_new_demod).
% 1.75/1.93     dependent: clear(print_back_demod).
% 1.75/1.93     dependent: clear(print_back_sub).
% 1.75/1.93     dependent: set(control_memory).
% 1.75/1.93     dependent: assign(max_mem, 12000).
% 1.75/1.93     dependent: assign(pick_given_ratio, 4).
% 1.75/1.93     dependent: assign(stats_level, 1).
% 1.75/1.93     dependent: assign(max_seconds, 10800).
% 1.75/1.93  clear(print_given).
% 1.75/1.93  
% 1.75/1.93  list(usable).
% 1.75/1.93  0 [] A=A.
% 1.75/1.93  0 [] meet(X,X)=X.
% 1.75/1.93  0 [] join(X,X)=X.
% 1.75/1.93  0 [] meet(X,join(X,Y))=X.
% 1.75/1.93  0 [] join(X,meet(X,Y))=X.
% 1.75/1.93  0 [] meet(X,Y)=meet(Y,X).
% 1.75/1.93  0 [] join(X,Y)=join(Y,X).
% 1.75/1.93  0 [] meet(meet(X,Y),Z)=meet(X,meet(Y,Z)).
% 1.75/1.93  0 [] join(join(X,Y),Z)=join(X,join(Y,Z)).
% 1.75/1.93  0 [] join(X,complement(X))=one.
% 1.75/1.93  0 [] meet(X,complement(X))=zero.
% 1.75/1.93  0 [] meet(X,Y)!=zero|join(X,Y)!=one|complement(X)=Y.
% 1.75/1.93  0 [] meet(X,join(Y,meet(Z,join(X,U))))=meet(X,join(Y,join(meet(X,Z),meet(Z,U)))).
% 1.75/1.93  0 [] meet(b,a)=a.
% 1.75/1.93  0 [] join(complement(b),complement(a))!=complement(a).
% 1.75/1.93  end_of_list.
% 1.75/1.93  
% 1.75/1.93  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3.
% 1.75/1.93  
% 1.75/1.93  This is a Horn set with equality.  The strategy will be
% 1.75/1.93  Knuth-Bendix and hyper_res, with positive clauses in
% 1.75/1.93  sos and nonpositive clauses in usable.
% 1.75/1.93  
% 1.75/1.93     dependent: set(knuth_bendix).
% 1.75/1.93     dependent: set(anl_eq).
% 1.75/1.93     dependent: set(para_from).
% 1.75/1.93     dependent: set(para_into).
% 1.75/1.93     dependent: clear(para_from_right).
% 1.75/1.93     dependent: clear(para_into_right).
% 1.75/1.93     dependent: set(para_from_vars).
% 1.75/1.93     dependent: set(eq_units_both_ways).
% 1.75/1.93     dependent: set(dynamic_demod_all).
% 1.75/1.93     dependent: set(dynamic_demod).
% 1.75/1.93     dependent: set(order_eq).
% 1.75/1.93     dependent: set(back_demod).
% 1.75/1.93     dependent: set(lrpo).
% 1.75/1.93     dependent: set(hyper_res).
% 1.75/1.93     dependent: clear(order_hyper).
% 1.75/1.93  
% 1.75/1.93  ------------> process usable:
% 1.75/1.93  ** KEPT (pick-wt=14): 1 [] meet(A,B)!=zero|join(A,B)!=one|complement(A)=B.
% 1.75/1.93  ** KEPT (pick-wt=8): 2 [] join(complement(b),complement(a))!=complement(a).
% 1.75/1.93  
% 1.75/1.93  ------------> process sos:
% 1.75/1.93  ** KEPT (pick-wt=3): 3 [] A=A.
% 1.75/1.93  ** KEPT (pick-wt=5): 4 [] meet(A,A)=A.
% 1.75/1.93  ---> New Demodulator: 5 [new_demod,4] meet(A,A)=A.
% 1.75/1.93  ** KEPT (pick-wt=5): 6 [] join(A,A)=A.
% 1.75/1.93  ---> New Demodulator: 7 [new_demod,6] join(A,A)=A.
% 1.75/1.93  ** KEPT (pick-wt=7): 8 [] meet(A,join(A,B))=A.
% 1.75/1.93  ---> New Demodulator: 9 [new_demod,8] meet(A,join(A,B))=A.
% 1.75/1.93  ** KEPT (pick-wt=7): 10 [] join(A,meet(A,B))=A.
% 1.75/1.93  ---> New Demodulator: 11 [new_demod,10] join(A,meet(A,B))=A.
% 1.75/1.93  ** KEPT (pick-wt=7): 12 [] meet(A,B)=meet(B,A).
% 1.75/1.93  ** KEPT (pick-wt=7): 13 [] join(A,B)=join(B,A).
% 1.75/1.93  ** KEPT (pick-wt=11): 14 [] meet(meet(A,B),C)=meet(A,meet(B,C)).
% 1.75/1.93  ---> New Demodulator: 15 [new_demod,14] meet(meet(A,B),C)=meet(A,meet(B,C)).
% 1.75/1.93  ** KEPT (pick-wt=11): 16 [] join(join(A,B),C)=join(A,join(B,C)).
% 1.75/1.93  ---> New Demodulator: 17 [new_demod,16] join(join(A,B),C)=join(A,join(B,C)).
% 1.75/1.93  ** KEPT (pick-wt=6): 18 [] join(A,complement(A))=one.
% 1.75/1.93  ---> New Demodulator: 19 [new_demod,18] join(A,complement(A))=one.
% 1.75/1.93  ** KEPT (pick-wt=6): 20 [] meet(A,complement(A))=zero.
% 1.75/1.93  ---> New Demodulator: 21 [new_demod,20] meet(A,complement(A))=zero.
% 1.75/1.93  ** KEPT (pick-wt=21): 22 [] meet(A,join(B,meet(C,join(A,D))))=meet(A,join(B,join(meet(A,C),meet(C,D)))).
% 1.75/1.93  ** KEPT (pick-wt=5): 23 [] meet(b,a)=a.
% 1.75/1.93  ---> New Demodulator: 24 [new_demod,23] meet(b,a)=a.
% 1.75/1.93    Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A.
% 1.75/1.93  >>>> Starting back demodulation with 5.
% 1.75/1.93  >>>> Starting back demodulation with 7.
% 1.75/1.93  >>>> Starting back demodulation with 9.
% 1.75/1.93  >>>> Starting back demodulation with 11.
% 1.75/1.93    Following clause subsumed by 12 during input processing: 0 [copy,12,flip.1] meet(A,B)=meet(B,A).
% 1.75/1.93    Following clause subsumed by 13 during input processing: 0 [copy,13,flip.1] join(A,B)=join(B,A).
% 1.75/1.93  >>>> Starting back demodulation with 15.
% 1.75/1.93  >>>> Starting back demodulation with 17.
% 1.75/1.93  >>>> Starting back demodulation with 19.
% 1.75/1.93  >>>> Starting back demodulation with 21.
% 1.75/1.93  ** KEPT (pick-wt=21): 25 [copy,22,flip.1] meet(A,join(B,join(meet(A,C),meet(C,D))))=meet(A,join(B,meet(C,join(A,D)))).
% 1.75/1.93  >>>> Starting back demodulation with 24.
% 5.57/5.80    Following clause subsumed by 22 during input processing: 0 [copy,25,flip.1] meet(A,join(B,meet(C,join(A,D))))=meet(A,join(B,join(meet(A,C),meet(C,D)))).
% 5.57/5.80  
% 5.57/5.80  ======= end of input processing =======
% 5.57/5.80  
% 5.57/5.80  =========== start of search ===========
% 5.57/5.80  
% 5.57/5.80  
% 5.57/5.80  Resetting weight limit to 10.
% 5.57/5.80  
% 5.57/5.80  
% 5.57/5.80  Resetting weight limit to 10.
% 5.57/5.80  
% 5.57/5.80  sos_size=568
% 5.57/5.80  
% 5.57/5.80  Search stopped because sos empty.
% 5.57/5.80  
% 5.57/5.80  
% 5.57/5.80  Search stopped because sos empty.
% 5.57/5.80  
% 5.57/5.80  ============ end of search ============
% 5.57/5.80  
% 5.57/5.80  -------------- statistics -------------
% 5.57/5.80  clauses given                779
% 5.57/5.80  clauses generated         642713
% 5.57/5.80  clauses kept                 875
% 5.57/5.80  clauses forward subsumed  209590
% 5.57/5.80  clauses back subsumed         88
% 5.57/5.80  Kbytes malloced             7812
% 5.57/5.80  
% 5.57/5.80  ----------- times (seconds) -----------
% 5.57/5.80  user CPU time          3.86          (0 hr, 0 min, 3 sec)
% 5.57/5.80  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 5.57/5.80  wall-clock time        6             (0 hr, 0 min, 6 sec)
% 5.57/5.80  
% 5.57/5.80  Process 10968 finished Wed Jul 27 08:24:42 2022
% 5.57/5.80  Otter interrupted
% 5.57/5.80  PROOF NOT FOUND
%------------------------------------------------------------------------------