TSTP Solution File: ROB007-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : ROB007-2 : TPTP v8.1.0. Bugfixed v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n014.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 13:12:22 EDT 2022

% Result   : Unknown 2.92s 3.11s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : ROB007-2 : TPTP v8.1.0. Bugfixed v3.1.0.
% 0.10/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n014.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 04:04:24 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.92/3.10  ----- Otter 3.3f, August 2004 -----
% 2.92/3.10  The process was started by sandbox2 on n014.cluster.edu,
% 2.92/3.10  Wed Jul 27 04:04:24 2022
% 2.92/3.10  The command was "./otter".  The process ID is 20790.
% 2.92/3.10  
% 2.92/3.10  set(prolog_style_variables).
% 2.92/3.10  set(auto).
% 2.92/3.10     dependent: set(auto1).
% 2.92/3.10     dependent: set(process_input).
% 2.92/3.10     dependent: clear(print_kept).
% 2.92/3.10     dependent: clear(print_new_demod).
% 2.92/3.10     dependent: clear(print_back_demod).
% 2.92/3.10     dependent: clear(print_back_sub).
% 2.92/3.10     dependent: set(control_memory).
% 2.92/3.10     dependent: assign(max_mem, 12000).
% 2.92/3.10     dependent: assign(pick_given_ratio, 4).
% 2.92/3.10     dependent: assign(stats_level, 1).
% 2.92/3.10     dependent: assign(max_seconds, 10800).
% 2.92/3.10  clear(print_given).
% 2.92/3.10  
% 2.92/3.10  list(usable).
% 2.92/3.10  0 [] A=A.
% 2.92/3.10  0 [] add(X,Y)=add(Y,X).
% 2.92/3.10  0 [] add(add(X,Y),Z)=add(X,add(Y,Z)).
% 2.92/3.10  0 [] negate(add(negate(add(X,Y)),negate(add(X,negate(Y)))))=X.
% 2.92/3.10  0 [] negate(add(a,b))=negate(b).
% 2.92/3.10  0 [] add(X,X)!=X.
% 2.92/3.10  end_of_list.
% 2.92/3.10  
% 2.92/3.10  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 2.92/3.10  
% 2.92/3.10  All clauses are units, and equality is present; the
% 2.92/3.10  strategy will be Knuth-Bendix with positive clauses in sos.
% 2.92/3.10  
% 2.92/3.10     dependent: set(knuth_bendix).
% 2.92/3.10     dependent: set(anl_eq).
% 2.92/3.10     dependent: set(para_from).
% 2.92/3.10     dependent: set(para_into).
% 2.92/3.10     dependent: clear(para_from_right).
% 2.92/3.10     dependent: clear(para_into_right).
% 2.92/3.10     dependent: set(para_from_vars).
% 2.92/3.10     dependent: set(eq_units_both_ways).
% 2.92/3.10     dependent: set(dynamic_demod_all).
% 2.92/3.10     dependent: set(dynamic_demod).
% 2.92/3.10     dependent: set(order_eq).
% 2.92/3.10     dependent: set(back_demod).
% 2.92/3.10     dependent: set(lrpo).
% 2.92/3.10  
% 2.92/3.10  ------------> process usable:
% 2.92/3.10  ** KEPT (pick-wt=5): 1 [] add(A,A)!=A.
% 2.92/3.10  
% 2.92/3.10  ------------> process sos:
% 2.92/3.10  ** KEPT (pick-wt=3): 2 [] A=A.
% 2.92/3.10  ** KEPT (pick-wt=7): 3 [] add(A,B)=add(B,A).
% 2.92/3.10  ** KEPT (pick-wt=11): 4 [] add(add(A,B),C)=add(A,add(B,C)).
% 2.92/3.10  ---> New Demodulator: 5 [new_demod,4] add(add(A,B),C)=add(A,add(B,C)).
% 2.92/3.10  ** KEPT (pick-wt=13): 6 [] negate(add(negate(add(A,B)),negate(add(A,negate(B)))))=A.
% 2.92/3.10  ---> New Demodulator: 7 [new_demod,6] negate(add(negate(add(A,B)),negate(add(A,negate(B)))))=A.
% 2.92/3.10  ** KEPT (pick-wt=7): 8 [] negate(add(a,b))=negate(b).
% 2.92/3.10  ---> New Demodulator: 9 [new_demod,8] negate(add(a,b))=negate(b).
% 2.92/3.10    Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 2.92/3.10    Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] add(A,B)=add(B,A).
% 2.92/3.10  >>>> Starting back demodulation with 5.
% 2.92/3.10  >>>> Starting back demodulation with 7.
% 2.92/3.10  >>>> Starting back demodulation with 9.
% 2.92/3.10  
% 2.92/3.10  ======= end of input processing =======
% 2.92/3.10  
% 2.92/3.10  =========== start of search ===========
% 2.92/3.10  
% 2.92/3.10  
% 2.92/3.10  Resetting weight limit to 14.
% 2.92/3.10  
% 2.92/3.10  
% 2.92/3.10  Resetting weight limit to 14.
% 2.92/3.10  
% 2.92/3.10  sos_size=356
% 2.92/3.10  
% 2.92/3.10  Search stopped because sos empty.
% 2.92/3.10  
% 2.92/3.10  
% 2.92/3.10  Search stopped because sos empty.
% 2.92/3.10  
% 2.92/3.10  ============ end of search ============
% 2.92/3.10  
% 2.92/3.10  -------------- statistics -------------
% 2.92/3.10  clauses given                399
% 2.92/3.10  clauses generated         152454
% 2.92/3.10  clauses kept                 406
% 2.92/3.10  clauses forward subsumed    4598
% 2.92/3.10  clauses back subsumed          0
% 2.92/3.10  Kbytes malloced             7812
% 2.92/3.10  
% 2.92/3.10  ----------- times (seconds) -----------
% 2.92/3.10  user CPU time          1.41          (0 hr, 0 min, 1 sec)
% 2.92/3.10  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 2.92/3.10  wall-clock time        3             (0 hr, 0 min, 3 sec)
% 2.92/3.10  
% 2.92/3.10  Process 20790 finished Wed Jul 27 04:04:27 2022
% 2.92/3.10  Otter interrupted
% 2.92/3.10  PROOF NOT FOUND
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