TSTP Solution File: SWW449-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SWW449-1 : TPTP v8.1.0. Released v5.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n004.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 13:22:34 EDT 2022

% Result   : Unknown 21.03s 21.21s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWW449-1 : TPTP v8.1.0. Released v5.2.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n004.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 02:56:21 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.74/1.95  ----- Otter 3.3f, August 2004 -----
% 1.74/1.95  The process was started by sandbox2 on n004.cluster.edu,
% 1.74/1.95  Wed Jul 27 02:56:21 2022
% 1.74/1.95  The command was "./otter".  The process ID is 20304.
% 1.74/1.95  
% 1.74/1.95  set(prolog_style_variables).
% 1.74/1.95  set(auto).
% 1.74/1.95     dependent: set(auto1).
% 1.74/1.95     dependent: set(process_input).
% 1.74/1.95     dependent: clear(print_kept).
% 1.74/1.95     dependent: clear(print_new_demod).
% 1.74/1.95     dependent: clear(print_back_demod).
% 1.74/1.95     dependent: clear(print_back_sub).
% 1.74/1.95     dependent: set(control_memory).
% 1.74/1.95     dependent: assign(max_mem, 12000).
% 1.74/1.95     dependent: assign(pick_given_ratio, 4).
% 1.74/1.95     dependent: assign(stats_level, 1).
% 1.74/1.95     dependent: assign(max_seconds, 10800).
% 1.74/1.95  clear(print_given).
% 1.74/1.95  
% 1.74/1.95  list(usable).
% 1.74/1.95  0 [] A=A.
% 1.74/1.95  0 [] sep(S,sep(T,Sigma))=sep(T,sep(S,Sigma)).
% 1.74/1.95  0 [] sep(lseg(X,X),Sigma)=Sigma.
% 1.74/1.95  0 [] -heap(sep(next(nil,Y),Sigma)).
% 1.74/1.95  0 [] -heap(sep(lseg(nil,Y),Sigma))|Y=nil.
% 1.74/1.95  0 [] -heap(sep(next(X,Y),sep(next(X,Z),Sigma))).
% 1.74/1.95  0 [] -heap(sep(next(X,Y),sep(lseg(X,Z),Sigma)))|X=Z.
% 1.74/1.95  0 [] -heap(sep(lseg(X,Y),sep(lseg(X,Z),Sigma)))|X=Y|X=Z.
% 1.74/1.95  0 [] -heap(sep(next(X,Y),sep(lseg(Y,Z),Sigma)))|X=Y|heap(sep(lseg(X,Z),Sigma)).
% 1.74/1.95  0 [] -heap(sep(lseg(X,Y),sep(lseg(Y,nil),Sigma)))|heap(sep(lseg(X,nil),Sigma)).
% 1.74/1.95  0 [] -heap(sep(lseg(X,Y),sep(lseg(Y,Z),sep(next(Z,W),Sigma))))|heap(sep(lseg(X,Z),sep(next(Z,W),Sigma))).
% 1.74/1.95  0 [] -heap(sep(lseg(X,Y),sep(lseg(Y,Z),sep(lseg(Z,W),Sigma))))|Z=W|heap(sep(lseg(X,Z),sep(lseg(Z,W),Sigma))).
% 1.74/1.95  0 [] heap(sep(next(x1,x11),sep(next(x3,x1),sep(next(x6,x2),sep(next(x9,x6),sep(next(x4,x1),sep(next(x8,x3),sep(next(x5,x11),sep(lseg(x7,x9),sep(next(x11,x3),sep(next(x2,x11),sep(lseg(x10,x11),emp)))))))))))).
% 1.74/1.95  0 [] -heap(sep(lseg(x8,x3),sep(lseg(x7,x9),sep(lseg(x3,x1),sep(lseg(x4,x1),sep(lseg(x9,x11),sep(lseg(x10,x11),sep(lseg(x5,x11),sep(lseg(x1,x3),emp))))))))).
% 1.74/1.95  end_of_list.
% 1.74/1.95  
% 1.74/1.95  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 1.74/1.95  
% 1.74/1.95  This ia a non-Horn set with equality.  The strategy will be
% 1.74/1.95  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.74/1.95  deletion, with positive clauses in sos and nonpositive
% 1.74/1.95  clauses in usable.
% 1.74/1.95  
% 1.74/1.95     dependent: set(knuth_bendix).
% 1.74/1.95     dependent: set(anl_eq).
% 1.74/1.95     dependent: set(para_from).
% 1.74/1.95     dependent: set(para_into).
% 1.74/1.95     dependent: clear(para_from_right).
% 1.74/1.95     dependent: clear(para_into_right).
% 1.74/1.95     dependent: set(para_from_vars).
% 1.74/1.95     dependent: set(eq_units_both_ways).
% 1.74/1.95     dependent: set(dynamic_demod_all).
% 1.74/1.95     dependent: set(dynamic_demod).
% 1.74/1.95     dependent: set(order_eq).
% 1.74/1.95     dependent: set(back_demod).
% 1.74/1.95     dependent: set(lrpo).
% 1.74/1.95     dependent: set(hyper_res).
% 1.74/1.95     dependent: set(unit_deletion).
% 1.74/1.95     dependent: set(factor).
% 1.74/1.95  
% 1.74/1.95  ------------> process usable:
% 1.74/1.95  ** KEPT (pick-wt=6): 1 [] -heap(sep(next(nil,A),B)).
% 1.74/1.95  ** KEPT (pick-wt=9): 2 [] -heap(sep(lseg(nil,A),B))|A=nil.
% 1.74/1.95  ** KEPT (pick-wt=10): 3 [] -heap(sep(next(A,B),sep(next(A,C),D))).
% 1.74/1.95  ** KEPT (pick-wt=13): 4 [] -heap(sep(next(A,B),sep(lseg(A,C),D)))|A=C.
% 1.74/1.95  ** KEPT (pick-wt=16): 5 [] -heap(sep(lseg(A,B),sep(lseg(A,C),D)))|A=B|A=C.
% 1.74/1.95  ** KEPT (pick-wt=19): 6 [] -heap(sep(next(A,B),sep(lseg(B,C),D)))|A=B|heap(sep(lseg(A,C),D)).
% 1.74/1.95  ** KEPT (pick-wt=16): 7 [] -heap(sep(lseg(A,B),sep(lseg(B,nil),C)))|heap(sep(lseg(A,nil),C)).
% 1.74/1.95  ** KEPT (pick-wt=24): 8 [] -heap(sep(lseg(A,B),sep(lseg(B,C),sep(next(C,D),E))))|heap(sep(lseg(A,C),sep(next(C,D),E))).
% 1.74/1.95  ** KEPT (pick-wt=27): 9 [] -heap(sep(lseg(A,B),sep(lseg(B,C),sep(lseg(C,D),E))))|C=D|heap(sep(lseg(A,C),sep(lseg(C,D),E))).
% 1.74/1.95  ** KEPT (pick-wt=34): 10 [] -heap(sep(lseg(x8,x3),sep(lseg(x7,x9),sep(lseg(x3,x1),sep(lseg(x4,x1),sep(lseg(x9,x11),sep(lseg(x10,x11),sep(lseg(x5,x11),sep(lseg(x1,x3),emp))))))))).
% 1.74/1.95  
% 1.74/1.95  ------------> process sos:
% 1.74/1.95  ** KEPT (pick-wt=3): 12 [] A=A.
% 1.74/1.95  ** KEPT (pick-wt=11): 13 [] sep(A,sep(B,C))=sep(B,sep(A,C)).
% 1.74/1.95  ** KEPT (pick-wt=7): 14 [] sep(lseg(A,A),B)=B.
% 1.74/1.95  ---> New Demodulator: 15 [new_demod,14] sep(lseg(A,A),B)=B.
% 1.74/1.95  ** KEPT (pick-wt=46): 16 [] heap(sep(next(x1,x11),sep(next(x3,x1),sep(next(x6,x2),sep(next(x9,x6),sep(next(x4,x1),sep(next(x8,x3),sep(next(x5,x11),sep(lseg(x7,x9),sep(next(x11,x3),sep(next(x2,x11),sep(lseg(x10,x11),emp)))))))))))).
% 1.74/1.95    Following clause subsumed by 12 during input processing: 0 [copy,12,flip.1] A=A.
% 1.74/1.95    Following clause subsumed by 13 during input processing: 0 [copy,13,flip.1] sep(A,sep(B,C))=sep(B,sep(A,C)).
% 21.03/21.21  >>>> Starting back demodulation with 15.
% 21.03/21.21  
% 21.03/21.21  ======= end of input processing =======
% 21.03/21.21  
% 21.03/21.21  =========== start of search ===========
% 21.03/21.21  
% 21.03/21.21  
% 21.03/21.21  Resetting weight limit to 15.
% 21.03/21.21  
% 21.03/21.21  
% 21.03/21.21  Resetting weight limit to 15.
% 21.03/21.21  
% 21.03/21.21  sos_size=434
% 21.03/21.21  
% 21.03/21.21  
% 21.03/21.21  Resetting weight limit to 12.
% 21.03/21.21  
% 21.03/21.21  
% 21.03/21.21  Resetting weight limit to 12.
% 21.03/21.21  
% 21.03/21.21  sos_size=465
% 21.03/21.21  
% 21.03/21.21  Search stopped because sos empty.
% 21.03/21.21  
% 21.03/21.21  
% 21.03/21.21  Search stopped because sos empty.
% 21.03/21.21  
% 21.03/21.21  ============ end of search ============
% 21.03/21.21  
% 21.03/21.21  -------------- statistics -------------
% 21.03/21.21  clauses given                544
% 21.03/21.21  clauses generated        1066834
% 21.03/21.21  clauses kept                 560
% 21.03/21.21  clauses forward subsumed    1211
% 21.03/21.21  clauses back subsumed          6
% 21.03/21.21  Kbytes malloced            11718
% 21.03/21.21  
% 21.03/21.21  ----------- times (seconds) -----------
% 21.03/21.21  user CPU time         19.25          (0 hr, 0 min, 19 sec)
% 21.03/21.21  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 21.03/21.21  wall-clock time       21             (0 hr, 0 min, 21 sec)
% 21.03/21.21  
% 21.03/21.21  Process 20304 finished Wed Jul 27 02:56:42 2022
% 21.03/21.21  Otter interrupted
% 21.03/21.21  PROOF NOT FOUND
%------------------------------------------------------------------------------