TSTP Solution File: GRP024-4 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GRP024-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n027.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 12:55:53 EDT 2022

% Result   : Unknown 3.69s 3.89s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : GRP024-4 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n027.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 05:11:36 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 3.69/3.89  ----- Otter 3.3f, August 2004 -----
% 3.69/3.89  The process was started by sandbox on n027.cluster.edu,
% 3.69/3.89  Wed Jul 27 05:11:36 2022
% 3.69/3.89  The command was "./otter".  The process ID is 5747.
% 3.69/3.89  
% 3.69/3.89  set(prolog_style_variables).
% 3.69/3.89  set(auto).
% 3.69/3.89     dependent: set(auto1).
% 3.69/3.89     dependent: set(process_input).
% 3.69/3.89     dependent: clear(print_kept).
% 3.69/3.89     dependent: clear(print_new_demod).
% 3.69/3.89     dependent: clear(print_back_demod).
% 3.69/3.89     dependent: clear(print_back_sub).
% 3.69/3.89     dependent: set(control_memory).
% 3.69/3.89     dependent: assign(max_mem, 12000).
% 3.69/3.89     dependent: assign(pick_given_ratio, 4).
% 3.69/3.89     dependent: assign(stats_level, 1).
% 3.69/3.89     dependent: assign(max_seconds, 10800).
% 3.69/3.89  clear(print_given).
% 3.69/3.89  
% 3.69/3.89  list(usable).
% 3.69/3.89  0 [] A=A.
% 3.69/3.89  0 [] multiply(identity,X)=X.
% 3.69/3.89  0 [] multiply(inverse(X),X)=identity.
% 3.69/3.89  0 [] multiply(multiply(X,Y),Z)=multiply(X,multiply(Y,Z)).
% 3.69/3.89  0 [] multiply(X,identity)=X.
% 3.69/3.89  0 [] multiply(X,inverse(X))=identity.
% 3.69/3.89  0 [] commutator(X,Y)=multiply(X,multiply(Y,multiply(inverse(X),inverse(Y)))).
% 3.69/3.89  0 [] commutator(commutator(a,b),c)=commutator(a,commutator(b,c))|multiply(commutator(e,f),g)=multiply(g,commutator(e,f)).
% 3.69/3.89  0 [] commutator(commutator(a,b),c)!=commutator(a,commutator(b,c))|multiply(commutator(e,f),g)!=multiply(g,commutator(e,f)).
% 3.69/3.89  end_of_list.
% 3.69/3.89  
% 3.69/3.89  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=2.
% 3.69/3.89  
% 3.69/3.89  This ia a non-Horn set with equality.  The strategy will be
% 3.69/3.89  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 3.69/3.89  deletion, with positive clauses in sos and nonpositive
% 3.69/3.89  clauses in usable.
% 3.69/3.89  
% 3.69/3.89     dependent: set(knuth_bendix).
% 3.69/3.89     dependent: set(anl_eq).
% 3.69/3.89     dependent: set(para_from).
% 3.69/3.89     dependent: set(para_into).
% 3.69/3.89     dependent: clear(para_from_right).
% 3.69/3.89     dependent: clear(para_into_right).
% 3.69/3.89     dependent: set(para_from_vars).
% 3.69/3.89     dependent: set(eq_units_both_ways).
% 3.69/3.89     dependent: set(dynamic_demod_all).
% 3.69/3.89     dependent: set(dynamic_demod).
% 3.69/3.89     dependent: set(order_eq).
% 3.69/3.89     dependent: set(back_demod).
% 3.69/3.89     dependent: set(lrpo).
% 3.69/3.89     dependent: set(hyper_res).
% 3.69/3.89     dependent: set(unit_deletion).
% 3.69/3.89     dependent: set(factor).
% 3.69/3.89  
% 3.69/3.89  ------------> process usable:
% 3.69/3.89  ** KEPT (pick-wt=22): 1 [] commutator(commutator(a,b),c)!=commutator(a,commutator(b,c))|multiply(commutator(e,f),g)!=multiply(g,commutator(e,f)).
% 3.69/3.89  
% 3.69/3.89  ------------> process sos:
% 3.69/3.89  ** KEPT (pick-wt=3): 2 [] A=A.
% 3.69/3.89  ** KEPT (pick-wt=5): 3 [] multiply(identity,A)=A.
% 3.69/3.89  ---> New Demodulator: 4 [new_demod,3] multiply(identity,A)=A.
% 3.69/3.89  ** KEPT (pick-wt=6): 5 [] multiply(inverse(A),A)=identity.
% 3.69/3.89  ---> New Demodulator: 6 [new_demod,5] multiply(inverse(A),A)=identity.
% 3.69/3.89  ** KEPT (pick-wt=11): 7 [] multiply(multiply(A,B),C)=multiply(A,multiply(B,C)).
% 3.69/3.89  ---> New Demodulator: 8 [new_demod,7] multiply(multiply(A,B),C)=multiply(A,multiply(B,C)).
% 3.69/3.89  ** KEPT (pick-wt=5): 9 [] multiply(A,identity)=A.
% 3.69/3.89  ---> New Demodulator: 10 [new_demod,9] multiply(A,identity)=A.
% 3.69/3.89  ** KEPT (pick-wt=6): 11 [] multiply(A,inverse(A))=identity.
% 3.69/3.89  ---> New Demodulator: 12 [new_demod,11] multiply(A,inverse(A))=identity.
% 3.69/3.89  ** KEPT (pick-wt=13): 14 [copy,13,flip.1] multiply(A,multiply(B,multiply(inverse(A),inverse(B))))=commutator(A,B).
% 3.69/3.89  ---> New Demodulator: 15 [new_demod,14] multiply(A,multiply(B,multiply(inverse(A),inverse(B))))=commutator(A,B).
% 3.69/3.89  ** KEPT (pick-wt=22): 16 [] commutator(commutator(a,b),c)=commutator(a,commutator(b,c))|multiply(commutator(e,f),g)=multiply(g,commutator(e,f)).
% 3.69/3.89    Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 3.69/3.89  >>>> Starting back demodulation with 4.
% 3.69/3.89  >>>> Starting back demodulation with 6.
% 3.69/3.89  >>>> Starting back demodulation with 8.
% 3.69/3.89  >>>> Starting back demodulation with 10.
% 3.69/3.89  >>>> Starting back demodulation with 12.
% 3.69/3.89  >>>> Starting back demodulation with 15.
% 3.69/3.89  
% 3.69/3.89  ======= end of input processing =======
% 3.69/3.89  
% 3.69/3.89  =========== start of search ===========
% 3.69/3.89  
% 3.69/3.89  
% 3.69/3.89  Resetting weight limit to 14.
% 3.69/3.89  
% 3.69/3.89  
% 3.69/3.89  Resetting weight limit to 14.
% 3.69/3.89  
% 3.69/3.89  sos_size=513
% 3.69/3.89  
% 3.69/3.89  Search stopped because sos empty.
% 3.69/3.89  
% 3.69/3.89  
% 3.69/3.89  Search stopped because sos empty.
% 3.69/3.89  
% 3.69/3.89  ============ end of search ============
% 3.69/3.89  
% 3.69/3.89  -------------- statistics -------------
% 3.69/3.89  clauses given                589
% 3.69/3.89  clauses generated         219273
% 3.69/3.89  clauses kept                 689
% 3.69/3.89  clauses forward subsumed   35355
% 3.69/3.89  clauses back subsumed          7
% 3.69/3.89  Kbytes malloced             6835
% 3.69/3.89  
% 3.69/3.89  ----------- times (seconds) -----------
% 3.69/3.89  user CPU time          2.13          (0 hr, 0 min, 2 sec)
% 3.69/3.89  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 3.69/3.89  wall-clock time        4             (0 hr, 0 min, 4 sec)
% 3.69/3.89  
% 3.69/3.89  Process 5747 finished Wed Jul 27 05:11:40 2022
% 3.69/3.89  Otter interrupted
% 3.69/3.89  PROOF NOT FOUND
%------------------------------------------------------------------------------