TSTP Solution File: LDA004-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LDA004-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n015.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 13:05:48 EDT 2022

% Result   : Unknown 11.82s 11.99s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : LDA004-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.13/0.33  % Computer : n015.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Wed Jul 27 02:14:56 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 11.82/11.99  ----- Otter 3.3f, August 2004 -----
% 11.82/11.99  The process was started by sandbox2 on n015.cluster.edu,
% 11.82/11.99  Wed Jul 27 02:14:56 2022
% 11.82/11.99  The command was "./otter".  The process ID is 17094.
% 11.82/11.99  
% 11.82/11.99  set(prolog_style_variables).
% 11.82/11.99  set(auto).
% 11.82/11.99     dependent: set(auto1).
% 11.82/11.99     dependent: set(process_input).
% 11.82/11.99     dependent: clear(print_kept).
% 11.82/11.99     dependent: clear(print_new_demod).
% 11.82/11.99     dependent: clear(print_back_demod).
% 11.82/11.99     dependent: clear(print_back_sub).
% 11.82/11.99     dependent: set(control_memory).
% 11.82/11.99     dependent: assign(max_mem, 12000).
% 11.82/11.99     dependent: assign(pick_given_ratio, 4).
% 11.82/11.99     dependent: assign(stats_level, 1).
% 11.82/11.99     dependent: assign(max_seconds, 10800).
% 11.82/11.99  clear(print_given).
% 11.82/11.99  
% 11.82/11.99  list(usable).
% 11.82/11.99  0 [] A=A.
% 11.82/11.99  0 [] f(X,f(Y,Z))=f(f(X,Y),f(X,Z)).
% 11.82/11.99  0 [] left(X,f(X,Y)).
% 11.82/11.99  0 [] -left(X,Y)| -left(Y,Z)|left(X,Z).
% 11.82/11.99  0 [] n2=f(n1,n1).
% 11.82/11.99  0 [] n3=f(n2,n1).
% 11.82/11.99  0 [] u=f(n2,n2).
% 11.82/11.99  0 [] u1=f(u,n1).
% 11.82/11.99  0 [] u2=f(u,n2).
% 11.82/11.99  0 [] u3=f(u,n3).
% 11.82/11.99  0 [] a=f(f(n3,n2),u2).
% 11.82/11.99  0 [] b=f(u1,u3).
% 11.82/11.99  0 [] -left(a,b).
% 11.82/11.99  end_of_list.
% 11.82/11.99  
% 11.82/11.99  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3.
% 11.82/11.99  
% 11.82/11.99  This is a Horn set with equality.  The strategy will be
% 11.82/11.99  Knuth-Bendix and hyper_res, with positive clauses in
% 11.82/11.99  sos and nonpositive clauses in usable.
% 11.82/11.99  
% 11.82/11.99     dependent: set(knuth_bendix).
% 11.82/11.99     dependent: set(anl_eq).
% 11.82/11.99     dependent: set(para_from).
% 11.82/11.99     dependent: set(para_into).
% 11.82/11.99     dependent: clear(para_from_right).
% 11.82/11.99     dependent: clear(para_into_right).
% 11.82/11.99     dependent: set(para_from_vars).
% 11.82/11.99     dependent: set(eq_units_both_ways).
% 11.82/11.99     dependent: set(dynamic_demod_all).
% 11.82/11.99     dependent: set(dynamic_demod).
% 11.82/11.99     dependent: set(order_eq).
% 11.82/11.99     dependent: set(back_demod).
% 11.82/11.99     dependent: set(lrpo).
% 11.82/11.99     dependent: set(hyper_res).
% 11.82/11.99     dependent: clear(order_hyper).
% 11.82/11.99  
% 11.82/11.99  ------------> process usable:
% 11.82/11.99  ** KEPT (pick-wt=9): 1 [] -left(A,B)| -left(B,C)|left(A,C).
% 11.82/11.99  ** KEPT (pick-wt=3): 2 [] -left(a,b).
% 11.82/11.99  
% 11.82/11.99  ------------> process sos:
% 11.82/11.99  ** KEPT (pick-wt=3): 3 [] A=A.
% 11.82/11.99  ** KEPT (pick-wt=13): 5 [copy,4,flip.1] f(f(A,B),f(A,C))=f(A,f(B,C)).
% 11.82/11.99  ---> New Demodulator: 6 [new_demod,5] f(f(A,B),f(A,C))=f(A,f(B,C)).
% 11.82/11.99  ** KEPT (pick-wt=5): 7 [] left(A,f(A,B)).
% 11.82/11.99  ** KEPT (pick-wt=5): 9 [copy,8,flip.1] f(n1,n1)=n2.
% 11.82/11.99  ---> New Demodulator: 10 [new_demod,9] f(n1,n1)=n2.
% 11.82/11.99  ** KEPT (pick-wt=5): 12 [copy,11,flip.1] f(n2,n1)=n3.
% 11.82/11.99  ---> New Demodulator: 13 [new_demod,12] f(n2,n1)=n3.
% 11.82/11.99  ** KEPT (pick-wt=5): 15 [copy,14,flip.1] f(n2,n2)=u.
% 11.82/11.99  ---> New Demodulator: 16 [new_demod,15] f(n2,n2)=u.
% 11.82/11.99  ** KEPT (pick-wt=5): 18 [copy,17,flip.1] f(u,n1)=u1.
% 11.82/11.99  ---> New Demodulator: 19 [new_demod,18] f(u,n1)=u1.
% 11.82/11.99  ** KEPT (pick-wt=5): 21 [copy,20,flip.1] f(u,n2)=u2.
% 11.82/11.99  ---> New Demodulator: 22 [new_demod,21] f(u,n2)=u2.
% 11.82/11.99  ** KEPT (pick-wt=5): 24 [copy,23,flip.1] f(u,n3)=u3.
% 11.82/11.99  ---> New Demodulator: 25 [new_demod,24] f(u,n3)=u3.
% 11.82/11.99  ** KEPT (pick-wt=7): 27 [copy,26,flip.1] f(f(n3,n2),u2)=a.
% 11.82/11.99  ---> New Demodulator: 28 [new_demod,27] f(f(n3,n2),u2)=a.
% 11.82/11.99  ** KEPT (pick-wt=5): 30 [copy,29,flip.1] f(u1,u3)=b.
% 11.82/11.99  ---> New Demodulator: 31 [new_demod,30] f(u1,u3)=b.
% 11.82/11.99    Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A.
% 11.82/11.99  >>>> Starting back demodulation with 6.
% 11.82/11.99  >>>> Starting back demodulation with 10.
% 11.82/11.99  >>>> Starting back demodulation with 13.
% 11.82/11.99  >>>> Starting back demodulation with 16.
% 11.82/11.99  >>>> Starting back demodulation with 19.
% 11.82/11.99  >>>> Starting back demodulation with 22.
% 11.82/11.99  >>>> Starting back demodulation with 25.
% 11.82/11.99  >>>> Starting back demodulation with 28.
% 11.82/11.99  >>>> Starting back demodulation with 31.
% 11.82/11.99  
% 11.82/11.99  ======= end of input processing =======
% 11.82/11.99  
% 11.82/11.99  =========== start of search ===========
% 11.82/11.99  
% 11.82/11.99  
% 11.82/11.99  Resetting weight limit to 7.
% 11.82/11.99  
% 11.82/11.99  
% 11.82/11.99  Resetting weight limit to 7.
% 11.82/11.99  
% 11.82/11.99  sos_size=872
% 11.82/11.99  
% 11.82/11.99  Search stopped because sos empty.
% 11.82/11.99  
% 11.82/11.99  
% 11.82/11.99  Search stopped because sos empty.
% 11.82/11.99  
% 11.82/11.99  ============ end of search ============
% 11.82/11.99  
% 11.82/11.99  -------------- statistics -------------
% 11.82/11.99  clauses given               1549
% 11.82/11.99  clauses generated         586265
% 11.82/11.99  clauses kept                1667
% 11.82/11.99  clauses forward subsumed   16341
% 11.82/11.99  clauses back subsumed         61
% 11.82/11.99  Kbytes malloced             8789
% 11.82/11.99  
% 11.82/11.99  ----------- times (seconds) -----------
% 11.82/11.99  user CPU time          9.90          (0 hr, 0 min, 9 sec)
% 11.82/11.99  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 11.82/11.99  wall-clock time       12             (0 hr, 0 min, 12 sec)
% 11.82/11.99  
% 11.82/11.99  Process 17094 finished Wed Jul 27 02:15:08 2022
% 11.82/11.99  Otter interrupted
% 11.82/11.99  PROOF NOT FOUND
%------------------------------------------------------------------------------