TSTP Solution File: LAT038-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LAT038-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n018.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 13:01:50 EDT 2022

% Result   : Unknown 4.66s 4.84s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : LAT038-1 : TPTP v8.1.0. Released v2.4.0.
% 0.11/0.12  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n018.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 08:25:16 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.69/1.90  ----- Otter 3.3f, August 2004 -----
% 1.69/1.90  The process was started by sandbox on n018.cluster.edu,
% 1.69/1.90  Wed Jul 27 08:25:16 2022
% 1.69/1.90  The command was "./otter".  The process ID is 19513.
% 1.69/1.90  
% 1.69/1.90  set(prolog_style_variables).
% 1.69/1.90  set(auto).
% 1.69/1.90     dependent: set(auto1).
% 1.69/1.90     dependent: set(process_input).
% 1.69/1.90     dependent: clear(print_kept).
% 1.69/1.90     dependent: clear(print_new_demod).
% 1.69/1.90     dependent: clear(print_back_demod).
% 1.69/1.90     dependent: clear(print_back_sub).
% 1.69/1.90     dependent: set(control_memory).
% 1.69/1.90     dependent: assign(max_mem, 12000).
% 1.69/1.90     dependent: assign(pick_given_ratio, 4).
% 1.69/1.90     dependent: assign(stats_level, 1).
% 1.69/1.90     dependent: assign(max_seconds, 10800).
% 1.69/1.90  clear(print_given).
% 1.69/1.90  
% 1.69/1.90  list(usable).
% 1.69/1.90  0 [] A=A.
% 1.69/1.90  0 [] meet(X,X)=X.
% 1.69/1.90  0 [] join(X,X)=X.
% 1.69/1.90  0 [] meet(X,join(X,Y))=X.
% 1.69/1.90  0 [] join(X,meet(X,Y))=X.
% 1.69/1.90  0 [] meet(X,Y)=meet(Y,X).
% 1.69/1.90  0 [] join(X,Y)=join(Y,X).
% 1.69/1.90  0 [] meet(meet(X,Y),Z)=meet(X,meet(Y,Z)).
% 1.69/1.90  0 [] join(join(X,Y),Z)=join(X,join(Y,Z)).
% 1.69/1.90  0 [] join(X,meet(Y,Z))=meet(join(X,Y),join(X,Z)).
% 1.69/1.90  0 [] meet(X,join(Y,Z))=join(meet(X,Y),meet(X,Z)).
% 1.69/1.90  0 [] f(join(U,V),W)=join(f(U,W),f(V,W)).
% 1.69/1.90  0 [] f(n0,W)=n0.
% 1.69/1.90  0 [] f(W,join(U,V))=join(f(W,U),f(W,V)).
% 1.69/1.90  0 [] f(W,n0)=n0.
% 1.69/1.90  0 [] f(join(aa,bb),dd)=f(join(cc,bb),dd).
% 1.69/1.90  0 [] meet(f(aa,dd),f(bb,dd))=meet(f(cc,dd),f(bb,dd)).
% 1.69/1.90  0 [] f(aa,dd)!=f(cc,dd).
% 1.69/1.90  end_of_list.
% 1.69/1.90  
% 1.69/1.90  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.69/1.90  
% 1.69/1.90  All clauses are units, and equality is present; the
% 1.69/1.90  strategy will be Knuth-Bendix with positive clauses in sos.
% 1.69/1.90  
% 1.69/1.90     dependent: set(knuth_bendix).
% 1.69/1.90     dependent: set(anl_eq).
% 1.69/1.90     dependent: set(para_from).
% 1.69/1.90     dependent: set(para_into).
% 1.69/1.90     dependent: clear(para_from_right).
% 1.69/1.90     dependent: clear(para_into_right).
% 1.69/1.90     dependent: set(para_from_vars).
% 1.69/1.90     dependent: set(eq_units_both_ways).
% 1.69/1.90     dependent: set(dynamic_demod_all).
% 1.69/1.90     dependent: set(dynamic_demod).
% 1.69/1.90     dependent: set(order_eq).
% 1.69/1.90     dependent: set(back_demod).
% 1.69/1.90     dependent: set(lrpo).
% 1.69/1.90  
% 1.69/1.90  ------------> process usable:
% 1.69/1.90  ** KEPT (pick-wt=7): 2 [copy,1,flip.1] f(cc,dd)!=f(aa,dd).
% 1.69/1.90  
% 1.69/1.90  ------------> process sos:
% 1.69/1.90  ** KEPT (pick-wt=3): 3 [] A=A.
% 1.69/1.90  ** KEPT (pick-wt=5): 4 [] meet(A,A)=A.
% 1.69/1.90  ---> New Demodulator: 5 [new_demod,4] meet(A,A)=A.
% 1.69/1.90  ** KEPT (pick-wt=5): 6 [] join(A,A)=A.
% 1.69/1.90  ---> New Demodulator: 7 [new_demod,6] join(A,A)=A.
% 1.69/1.90  ** KEPT (pick-wt=7): 8 [] meet(A,join(A,B))=A.
% 1.69/1.90  ---> New Demodulator: 9 [new_demod,8] meet(A,join(A,B))=A.
% 1.69/1.90  ** KEPT (pick-wt=7): 10 [] join(A,meet(A,B))=A.
% 1.69/1.90  ---> New Demodulator: 11 [new_demod,10] join(A,meet(A,B))=A.
% 1.69/1.90  ** KEPT (pick-wt=7): 12 [] meet(A,B)=meet(B,A).
% 1.69/1.90  ** KEPT (pick-wt=7): 13 [] join(A,B)=join(B,A).
% 1.69/1.90  ** KEPT (pick-wt=11): 14 [] meet(meet(A,B),C)=meet(A,meet(B,C)).
% 1.69/1.90  ---> New Demodulator: 15 [new_demod,14] meet(meet(A,B),C)=meet(A,meet(B,C)).
% 1.69/1.90  ** KEPT (pick-wt=11): 16 [] join(join(A,B),C)=join(A,join(B,C)).
% 1.69/1.90  ---> New Demodulator: 17 [new_demod,16] join(join(A,B),C)=join(A,join(B,C)).
% 1.69/1.90  ** KEPT (pick-wt=13): 19 [copy,18,flip.1] meet(join(A,B),join(A,C))=join(A,meet(B,C)).
% 1.69/1.90  ---> New Demodulator: 20 [new_demod,19] meet(join(A,B),join(A,C))=join(A,meet(B,C)).
% 1.69/1.90  ** KEPT (pick-wt=13): 21 [] meet(A,join(B,C))=join(meet(A,B),meet(A,C)).
% 1.69/1.90  ---> New Demodulator: 22 [new_demod,21] meet(A,join(B,C))=join(meet(A,B),meet(A,C)).
% 1.69/1.90  ** KEPT (pick-wt=13): 24 [copy,23,flip.1] join(f(A,B),f(C,B))=f(join(A,C),B).
% 1.69/1.90  ---> New Demodulator: 25 [new_demod,24] join(f(A,B),f(C,B))=f(join(A,C),B).
% 1.69/1.90  ** KEPT (pick-wt=5): 26 [] f(n0,A)=n0.
% 1.69/1.90  ---> New Demodulator: 27 [new_demod,26] f(n0,A)=n0.
% 1.69/1.90  ** KEPT (pick-wt=13): 29 [copy,28,flip.1] join(f(A,B),f(A,C))=f(A,join(B,C)).
% 1.69/1.90  ---> New Demodulator: 30 [new_demod,29] join(f(A,B),f(A,C))=f(A,join(B,C)).
% 1.69/1.90  ** KEPT (pick-wt=5): 31 [] f(A,n0)=n0.
% 1.69/1.90  ---> New Demodulator: 32 [new_demod,31] f(A,n0)=n0.
% 1.69/1.90  ** KEPT (pick-wt=11): 34 [copy,33,flip.1] f(join(cc,bb),dd)=f(join(aa,bb),dd).
% 1.69/1.90  ---> New Demodulator: 35 [new_demod,34] f(join(cc,bb),dd)=f(join(aa,bb),dd).
% 1.69/1.90  ** KEPT (pick-wt=15): 37 [copy,36,flip.1] meet(f(cc,dd),f(bb,dd))=meet(f(aa,dd),f(bb,dd)).
% 1.69/1.90  ---> New Demodulator: 38 [new_demod,37] meet(f(cc,dd),f(bb,dd))=meet(f(aa,dd),f(bb,dd)).
% 1.69/1.90    Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A.
% 1.69/1.90  >>>> Starting back demodulation with 5.
% 1.69/1.90  >>>> Starting back demodulation with 7.
% 1.69/1.90  >>>> Starting back demodulation with 9.
% 4.66/4.84  >>>> Starting back demodulation with 11.
% 4.66/4.84    Following clause subsumed by 12 during input processing: 0 [copy,12,flip.1] meet(A,B)=meet(B,A).
% 4.66/4.84    Following clause subsumed by 13 during input processing: 0 [copy,13,flip.1] join(A,B)=join(B,A).
% 4.66/4.84  >>>> Starting back demodulation with 15.
% 4.66/4.84  >>>> Starting back demodulation with 17.
% 4.66/4.84  >>>> Starting back demodulation with 20.
% 4.66/4.84  >>>> Starting back demodulation with 22.
% 4.66/4.84      >> back demodulating 19 with 22.
% 4.66/4.84      >> back demodulating 8 with 22.
% 4.66/4.84  >>>> Starting back demodulation with 25.
% 4.66/4.84  >>>> Starting back demodulation with 27.
% 4.66/4.84  >>>> Starting back demodulation with 30.
% 4.66/4.84  >>>> Starting back demodulation with 32.
% 4.66/4.84  >>>> Starting back demodulation with 35.
% 4.66/4.84  >>>> Starting back demodulation with 38.
% 4.66/4.84  >>>> Starting back demodulation with 40.
% 4.66/4.84  
% 4.66/4.84  ======= end of input processing =======
% 4.66/4.84  
% 4.66/4.84  =========== start of search ===========
% 4.66/4.84  
% 4.66/4.84  
% 4.66/4.84  Resetting weight limit to 11.
% 4.66/4.84  
% 4.66/4.84  
% 4.66/4.84  Resetting weight limit to 11.
% 4.66/4.84  
% 4.66/4.84  sos_size=693
% 4.66/4.84  
% 4.66/4.84  Search stopped because sos empty.
% 4.66/4.84  
% 4.66/4.84  
% 4.66/4.84  Search stopped because sos empty.
% 4.66/4.84  
% 4.66/4.84  ============ end of search ============
% 4.66/4.84  
% 4.66/4.84  -------------- statistics -------------
% 4.66/4.84  clauses given                837
% 4.66/4.84  clauses generated         522149
% 4.66/4.84  clauses kept                 949
% 4.66/4.84  clauses forward subsumed  175887
% 4.66/4.84  clauses back subsumed         11
% 4.66/4.84  Kbytes malloced             7812
% 4.66/4.84  
% 4.66/4.84  ----------- times (seconds) -----------
% 4.66/4.84  user CPU time          2.93          (0 hr, 0 min, 2 sec)
% 4.66/4.84  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 4.66/4.84  wall-clock time        5             (0 hr, 0 min, 5 sec)
% 4.66/4.84  
% 4.66/4.84  Process 19513 finished Wed Jul 27 08:25:21 2022
% 4.66/4.84  Otter interrupted
% 4.66/4.84  PROOF NOT FOUND
%------------------------------------------------------------------------------