TSTP Solution File: LAT400-4 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LAT400-4 : TPTP v8.1.0. Released v8.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n016.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 13:03:16 EDT 2022

% Result   : Unknown 1.85s 2.05s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : LAT400-4 : TPTP v8.1.0. Released v8.1.0.
% 0.06/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n016.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 08:36:52 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.57/1.78  ----- Otter 3.3f, August 2004 -----
% 1.57/1.78  The process was started by sandbox on n016.cluster.edu,
% 1.57/1.78  Wed Jul 27 08:36:52 2022
% 1.57/1.78  The command was "./otter".  The process ID is 26697.
% 1.57/1.78  
% 1.57/1.78  set(prolog_style_variables).
% 1.57/1.78  set(auto).
% 1.57/1.78     dependent: set(auto1).
% 1.57/1.78     dependent: set(process_input).
% 1.57/1.78     dependent: clear(print_kept).
% 1.57/1.78     dependent: clear(print_new_demod).
% 1.57/1.78     dependent: clear(print_back_demod).
% 1.57/1.78     dependent: clear(print_back_sub).
% 1.57/1.78     dependent: set(control_memory).
% 1.57/1.78     dependent: assign(max_mem, 12000).
% 1.57/1.78     dependent: assign(pick_given_ratio, 4).
% 1.57/1.78     dependent: assign(stats_level, 1).
% 1.57/1.78     dependent: assign(max_seconds, 10800).
% 1.57/1.78  clear(print_given).
% 1.57/1.78  
% 1.57/1.78  list(usable).
% 1.57/1.78  0 [] A=A.
% 1.57/1.78  0 [] meet(X,Y)=meet(Y,X).
% 1.57/1.78  0 [] meet(X,meet(Y,Z))=meet(meet(X,Y),Z).
% 1.57/1.78  0 [] join(X,Y)=join(Y,X).
% 1.57/1.78  0 [] join(X,join(Y,Z))=join(join(X,Y),Z).
% 1.57/1.78  0 [] join(X,meet(X,Y))=X.
% 1.57/1.78  0 [] meet(X,join(X,Y))=X.
% 1.57/1.78  0 [] upme(X,Y,Z)=meet(X,join(Y,Z)).
% 1.57/1.78  0 [] lome(X,Y,Z)=join(meet(X,Y),meet(X,Z)).
% 1.57/1.78  0 [] upjo(X,Y,Z)=meet(join(X,Y),join(X,Z)).
% 1.57/1.78  0 [] lojo(X,Y,Z)=join(X,meet(Y,Z)).
% 1.57/1.78  0 [] join(upme(meet(a,X1),Y1,Z1),meet(Y1,Z1))=meet(join(meet(meet(a,X1),Y1),Z1),join(meet(meet(a,X1),Z1),Y1)).
% 1.57/1.78  0 [] upme(X,Y,Z)=join(upme(X,Y,meet(a,Z)),upme(X,Z,meet(a,Y))).
% 1.57/1.78  0 [] lome(X,Y,Z)=upme(X,upme(Y,X,Z),upme(Z,X,Y)).
% 1.57/1.78  0 [] upme(a,x2,y2)=upme(a,x2,z2).
% 1.57/1.78  0 [] upme(x2,y2,z2)!=lome(x2,y2,z2).
% 1.57/1.78  end_of_list.
% 1.57/1.78  
% 1.57/1.78  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.57/1.78  
% 1.57/1.78  All clauses are units, and equality is present; the
% 1.57/1.78  strategy will be Knuth-Bendix with positive clauses in sos.
% 1.57/1.78  
% 1.57/1.78     dependent: set(knuth_bendix).
% 1.57/1.78     dependent: set(anl_eq).
% 1.57/1.78     dependent: set(para_from).
% 1.57/1.78     dependent: set(para_into).
% 1.57/1.78     dependent: clear(para_from_right).
% 1.57/1.78     dependent: clear(para_into_right).
% 1.57/1.78     dependent: set(para_from_vars).
% 1.57/1.78     dependent: set(eq_units_both_ways).
% 1.57/1.78     dependent: set(dynamic_demod_all).
% 1.57/1.78     dependent: set(dynamic_demod).
% 1.57/1.78     dependent: set(order_eq).
% 1.57/1.78     dependent: set(back_demod).
% 1.57/1.78     dependent: set(lrpo).
% 1.57/1.78  
% 1.57/1.78  ------------> process usable:
% 1.57/1.78  ** KEPT (pick-wt=9): 1 [] upme(x2,y2,z2)!=lome(x2,y2,z2).
% 1.57/1.78  
% 1.57/1.78  ------------> process sos:
% 1.57/1.78  ** KEPT (pick-wt=3): 2 [] A=A.
% 1.57/1.78  ** KEPT (pick-wt=7): 3 [] meet(A,B)=meet(B,A).
% 1.57/1.78  ** KEPT (pick-wt=11): 5 [copy,4,flip.1] meet(meet(A,B),C)=meet(A,meet(B,C)).
% 1.57/1.78  ---> New Demodulator: 6 [new_demod,5] meet(meet(A,B),C)=meet(A,meet(B,C)).
% 1.57/1.78  ** KEPT (pick-wt=7): 7 [] join(A,B)=join(B,A).
% 1.57/1.78  ** KEPT (pick-wt=11): 9 [copy,8,flip.1] join(join(A,B),C)=join(A,join(B,C)).
% 1.57/1.78  ---> New Demodulator: 10 [new_demod,9] join(join(A,B),C)=join(A,join(B,C)).
% 1.57/1.78  ** KEPT (pick-wt=7): 11 [] join(A,meet(A,B))=A.
% 1.57/1.78  ---> New Demodulator: 12 [new_demod,11] join(A,meet(A,B))=A.
% 1.57/1.78  ** KEPT (pick-wt=7): 13 [] meet(A,join(A,B))=A.
% 1.57/1.78  ---> New Demodulator: 14 [new_demod,13] meet(A,join(A,B))=A.
% 1.57/1.78  ** KEPT (pick-wt=10): 16 [copy,15,flip.1] meet(A,join(B,C))=upme(A,B,C).
% 1.57/1.78  ---> New Demodulator: 17 [new_demod,16] meet(A,join(B,C))=upme(A,B,C).
% 1.57/1.78  ** KEPT (pick-wt=12): 19 [copy,18,flip.1] join(meet(A,B),meet(A,C))=lome(A,B,C).
% 1.57/1.78  ---> New Demodulator: 20 [new_demod,19] join(meet(A,B),meet(A,C))=lome(A,B,C).
% 1.57/1.78  ** KEPT (pick-wt=11): 22 [copy,21,demod,17,flip.1] upme(join(A,B),A,C)=upjo(A,B,C).
% 1.57/1.78  ---> New Demodulator: 23 [new_demod,22] upme(join(A,B),A,C)=upjo(A,B,C).
% 1.57/1.78  ** KEPT (pick-wt=10): 25 [copy,24,flip.1] join(A,meet(B,C))=lojo(A,B,C).
% 1.57/1.78  ---> New Demodulator: 26 [new_demod,25] join(A,meet(B,C))=lojo(A,B,C).
% 1.57/1.78  ** KEPT (pick-wt=24): 28 [copy,27,demod,26,6,6,17,flip.1] upme(join(meet(a,meet(A,B)),C),meet(a,meet(A,C)),B)=lojo(upme(meet(a,A),B,C),B,C).
% 1.57/1.78  ---> New Demodulator: 29 [new_demod,28] upme(join(meet(a,meet(A,B)),C),meet(a,meet(A,C)),B)=lojo(upme(meet(a,A),B,C),B,C).
% 1.57/1.78  ** KEPT (pick-wt=18): 31 [copy,30,flip.1] join(upme(A,B,meet(a,C)),upme(A,C,meet(a,B)))=upme(A,B,C).
% 1.57/1.78  ---> New Demodulator: 32 [new_demod,31] join(upme(A,B,meet(a,C)),upme(A,C,meet(a,B)))=upme(A,B,C).
% 1.57/1.78  ** KEPT (pick-wt=15): 34 [copy,33,flip.1] upme(A,upme(B,A,C),upme(C,A,B))=lome(A,B,C).
% 1.57/1.78  ---> New Demodulator: 35 [new_demod,34] upme(A,upme(B,A,C),upme(C,A,B))=lome(A,B,C).
% 1.57/1.78  ** KEPT (pick-wt=9): 37 [copy,36,flip.1] upme(a,x2,z2)=upme(a,x2,y2).
% 1.57/1.78  ---> New Demodulator: 38 [new_demod,37] upme(a,x2,z2)=upme(a,x2,y2).
% 1.57/1.78    Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 1.85/2.05    Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] meet(A,B)=meet(B,A).
% 1.85/2.05  >>>> Starting back demodulation with 6.
% 1.85/2.05    Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] join(A,B)=join(B,A).
% 1.85/2.05  >>>> Starting back demodulation with 10.
% 1.85/2.05  >>>> Starting back demodulation with 12.
% 1.85/2.05  >>>> Starting back demodulation with 14.
% 1.85/2.05  >>>> Starting back demodulation with 17.
% 1.85/2.05      >> back demodulating 13 with 17.
% 1.85/2.05  >>>> Starting back demodulation with 20.
% 1.85/2.05  >>>> Starting back demodulation with 23.
% 1.85/2.05  >>>> Starting back demodulation with 26.
% 1.85/2.05      >> back demodulating 19 with 26.
% 1.85/2.05      >> back demodulating 11 with 26.
% 1.85/2.05  >>>> Starting back demodulation with 29.
% 1.85/2.05  >>>> Starting back demodulation with 32.
% 1.85/2.05  >>>> Starting back demodulation with 35.
% 1.85/2.05  >>>> Starting back demodulation with 38.
% 1.85/2.05  >>>> Starting back demodulation with 40.
% 1.85/2.05  ** KEPT (pick-wt=11): 44 [copy,41,flip.1] lome(A,B,C)=lojo(meet(A,B),A,C).
% 1.85/2.05  >>>> Starting back demodulation with 43.
% 1.85/2.05    Following clause subsumed by 41 during input processing: 0 [copy,44,flip.1] lojo(meet(A,B),A,C)=lome(A,B,C).
% 1.85/2.05  
% 1.85/2.05  ======= end of input processing =======
% 1.85/2.05  
% 1.85/2.05  =========== start of search ===========
% 1.85/2.05  
% 1.85/2.05  
% 1.85/2.05  Resetting weight limit to 12.
% 1.85/2.05  
% 1.85/2.05  
% 1.85/2.05  Resetting weight limit to 12.
% 1.85/2.05  
% 1.85/2.05  sos_size=106
% 1.85/2.05  
% 1.85/2.05  
% 1.85/2.05  Resetting weight limit to 9.
% 1.85/2.05  
% 1.85/2.05  
% 1.85/2.05  Resetting weight limit to 9.
% 1.85/2.05  
% 1.85/2.05  sos_size=85
% 1.85/2.05  
% 1.85/2.05  Search stopped because sos empty.
% 1.85/2.05  
% 1.85/2.05  
% 1.85/2.05  Search stopped because sos empty.
% 1.85/2.05  
% 1.85/2.05  ============ end of search ============
% 1.85/2.05  
% 1.85/2.05  -------------- statistics -------------
% 1.85/2.05  clauses given                182
% 1.85/2.05  clauses generated          15352
% 1.85/2.05  clauses kept                 432
% 1.85/2.05  clauses forward subsumed    4869
% 1.85/2.05  clauses back subsumed          7
% 1.85/2.05  Kbytes malloced            10742
% 1.85/2.05  
% 1.85/2.05  ----------- times (seconds) -----------
% 1.85/2.05  user CPU time          0.26          (0 hr, 0 min, 0 sec)
% 1.85/2.05  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 1.85/2.05  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.85/2.05  
% 1.85/2.05  Process 26697 finished Wed Jul 27 08:36:54 2022
% 1.85/2.05  Otter interrupted
% 1.85/2.05  PROOF NOT FOUND
%------------------------------------------------------------------------------