TSTP Solution File: CAT018-4 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : CAT018-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n005.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 12:47:50 EDT 2022

% Result   : Unknown 3.04s 3.20s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : CAT018-4 : TPTP v8.1.0. Released v1.0.0.
% 0.10/0.13  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n005.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 01:54:05 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 3.04/3.20  ----- Otter 3.3f, August 2004 -----
% 3.04/3.20  The process was started by sandbox2 on n005.cluster.edu,
% 3.04/3.20  Wed Jul 27 01:54:05 2022
% 3.04/3.20  The command was "./otter".  The process ID is 22980.
% 3.04/3.20  
% 3.04/3.20  set(prolog_style_variables).
% 3.04/3.20  set(auto).
% 3.04/3.20     dependent: set(auto1).
% 3.04/3.20     dependent: set(process_input).
% 3.04/3.20     dependent: clear(print_kept).
% 3.04/3.20     dependent: clear(print_new_demod).
% 3.04/3.20     dependent: clear(print_back_demod).
% 3.04/3.20     dependent: clear(print_back_sub).
% 3.04/3.20     dependent: set(control_memory).
% 3.04/3.20     dependent: assign(max_mem, 12000).
% 3.04/3.20     dependent: assign(pick_given_ratio, 4).
% 3.04/3.20     dependent: assign(stats_level, 1).
% 3.04/3.20     dependent: assign(max_seconds, 10800).
% 3.04/3.20  clear(print_given).
% 3.04/3.20  
% 3.04/3.20  list(usable).
% 3.04/3.20  0 [] A=A.
% 3.04/3.20  0 [] -e_quivalent(X,Y)|there_exists(X).
% 3.04/3.20  0 [] -e_quivalent(X,Y)|X=Y.
% 3.04/3.20  0 [] -there_exists(X)|X!=Y|e_quivalent(X,Y).
% 3.04/3.20  0 [] -there_exists(domain(X))|there_exists(X).
% 3.04/3.20  0 [] -there_exists(codomain(X))|there_exists(X).
% 3.04/3.20  0 [] -there_exists(compose(X,Y))|there_exists(domain(X)).
% 3.04/3.20  0 [] -there_exists(compose(X,Y))|domain(X)=codomain(Y).
% 3.04/3.20  0 [] -there_exists(domain(X))|domain(X)!=codomain(Y)|there_exists(compose(X,Y)).
% 3.04/3.20  0 [] compose(X,compose(Y,Z))=compose(compose(X,Y),Z).
% 3.04/3.20  0 [] compose(X,domain(X))=X.
% 3.04/3.20  0 [] compose(codomain(X),X)=X.
% 3.04/3.20  0 [] there_exists(compose(a,b)).
% 3.04/3.20  0 [] there_exists(compose(b,c)).
% 3.04/3.20  0 [] -there_exists(compose(a,compose(b,c))).
% 3.04/3.20  end_of_list.
% 3.04/3.20  
% 3.04/3.20  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3.
% 3.04/3.20  
% 3.04/3.20  This is a Horn set with equality.  The strategy will be
% 3.04/3.20  Knuth-Bendix and hyper_res, with positive clauses in
% 3.04/3.20  sos and nonpositive clauses in usable.
% 3.04/3.20  
% 3.04/3.20     dependent: set(knuth_bendix).
% 3.04/3.20     dependent: set(anl_eq).
% 3.04/3.20     dependent: set(para_from).
% 3.04/3.20     dependent: set(para_into).
% 3.04/3.20     dependent: clear(para_from_right).
% 3.04/3.20     dependent: clear(para_into_right).
% 3.04/3.20     dependent: set(para_from_vars).
% 3.04/3.20     dependent: set(eq_units_both_ways).
% 3.04/3.20     dependent: set(dynamic_demod_all).
% 3.04/3.20     dependent: set(dynamic_demod).
% 3.04/3.20     dependent: set(order_eq).
% 3.04/3.20     dependent: set(back_demod).
% 3.04/3.20     dependent: set(lrpo).
% 3.04/3.20     dependent: set(hyper_res).
% 3.04/3.20     dependent: clear(order_hyper).
% 3.04/3.20  
% 3.04/3.20  ------------> process usable:
% 3.04/3.20  ** KEPT (pick-wt=5): 1 [] -e_quivalent(A,B)|there_exists(A).
% 3.04/3.20  ** KEPT (pick-wt=6): 2 [] -e_quivalent(A,B)|A=B.
% 3.04/3.20  ** KEPT (pick-wt=8): 3 [] -there_exists(A)|A!=B|e_quivalent(A,B).
% 3.04/3.20  ** KEPT (pick-wt=5): 4 [] -there_exists(domain(A))|there_exists(A).
% 3.04/3.20  ** KEPT (pick-wt=5): 5 [] -there_exists(codomain(A))|there_exists(A).
% 3.04/3.20  ** KEPT (pick-wt=7): 6 [] -there_exists(compose(A,B))|there_exists(domain(A)).
% 3.04/3.20  ** KEPT (pick-wt=9): 7 [] -there_exists(compose(A,B))|domain(A)=codomain(B).
% 3.04/3.20  ** KEPT (pick-wt=12): 8 [] -there_exists(domain(A))|domain(A)!=codomain(B)|there_exists(compose(A,B)).
% 3.04/3.20  ** KEPT (pick-wt=6): 9 [] -there_exists(compose(a,compose(b,c))).
% 3.04/3.20  
% 3.04/3.20  ------------> process sos:
% 3.04/3.20  ** KEPT (pick-wt=3): 10 [] A=A.
% 3.04/3.20  ** KEPT (pick-wt=11): 12 [copy,11,flip.1] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 3.04/3.20  ---> New Demodulator: 13 [new_demod,12] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 3.04/3.20  ** KEPT (pick-wt=6): 14 [] compose(A,domain(A))=A.
% 3.04/3.20  ---> New Demodulator: 15 [new_demod,14] compose(A,domain(A))=A.
% 3.04/3.20  ** KEPT (pick-wt=6): 16 [] compose(codomain(A),A)=A.
% 3.04/3.20  ---> New Demodulator: 17 [new_demod,16] compose(codomain(A),A)=A.
% 3.04/3.20  ** KEPT (pick-wt=4): 18 [] there_exists(compose(a,b)).
% 3.04/3.20  ** KEPT (pick-wt=4): 19 [] there_exists(compose(b,c)).
% 3.04/3.20    Following clause subsumed by 10 during input processing: 0 [copy,10,flip.1] A=A.
% 3.04/3.20  >>>> Starting back demodulation with 13.
% 3.04/3.20  >>>> Starting back demodulation with 15.
% 3.04/3.20  >>>> Starting back demodulation with 17.
% 3.04/3.20  
% 3.04/3.20  ======= end of input processing =======
% 3.04/3.20  
% 3.04/3.20  =========== start of search ===========
% 3.04/3.20  
% 3.04/3.20  
% 3.04/3.20  Resetting weight limit to 8.
% 3.04/3.20  
% 3.04/3.20  
% 3.04/3.20  Resetting weight limit to 8.
% 3.04/3.20  
% 3.04/3.20  sos_size=1364
% 3.04/3.20  
% 3.04/3.20  Search stopped because sos empty.
% 3.04/3.20  
% 3.04/3.20  
% 3.04/3.20  Search stopped because sos empty.
% 3.04/3.20  
% 3.04/3.20  ============ end of search ============
% 3.04/3.20  
% 3.04/3.20  -------------- statistics -------------
% 3.04/3.20  clauses given               1335
% 3.04/3.20  clauses generated         437067
% 3.04/3.20  clauses kept                1791
% 3.04/3.20  clauses forward subsumed    7263
% 3.04/3.20  clauses back subsumed         52
% 3.04/3.20  Kbytes malloced             4882
% 3.04/3.20  
% 3.04/3.20  ----------- times (seconds) -----------
% 3.04/3.20  user CPU time          1.35          (0 hr, 0 min, 1 sec)
% 3.04/3.20  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 3.04/3.20  wall-clock time        3             (0 hr, 0 min, 3 sec)
% 3.04/3.20  
% 3.04/3.20  Process 22980 finished Wed Jul 27 01:54:08 2022
% 3.04/3.20  Otter interrupted
% 3.04/3.20  PROOF NOT FOUND
%------------------------------------------------------------------------------