TSTP Solution File: GRP434-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GRP434-1 : TPTP v8.1.0. Released v2.6.0.
% 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 12:57:00 EDT 2022

% Result   : Unsatisfiable 1.98s 2.12s
% Output   : Refutation 1.98s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   40 (  40 unt;   0 nHn;   2 RR)
%            Number of literals    :   40 (  39 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :   13 (   3 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :  112 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    multiply(multiply(inverse(b2),b2),a2) != a2,
    file('GRP434-1.p',unknown),
    [] ).

cnf(3,axiom,
    inverse(multiply(multiply(multiply(inverse(multiply(multiply(A,B),C)),A),B),multiply(D,inverse(D)))) = C,
    file('GRP434-1.p',unknown),
    [] ).

cnf(5,plain,
    inverse(multiply(multiply(multiply(A,multiply(inverse(multiply(multiply(B,C),A)),B)),C),multiply(D,inverse(D)))) = multiply(E,inverse(E)),
    inference(para_into,[status(thm),theory(equality)],[3,3]),
    [iquote('para_into,3.1.1.1.1.1.1,3.1.1')] ).

cnf(13,plain,
    multiply(A,inverse(A)) = multiply(B,inverse(B)),
    inference(para_into,[status(thm),theory(equality)],[5,5]),
    [iquote('para_into,5.1.1,5.1.1')] ).

cnf(27,plain,
    inverse(multiply(multiply(multiply(inverse(multiply(A,inverse(A))),B),C),multiply(D,inverse(D)))) = inverse(multiply(B,C)),
    inference(para_from,[status(thm),theory(equality)],[13,3]),
    [iquote('para_from,13.1.1,3.1.1.1.1.1.1.1')] ).

cnf(28,plain,
    inverse(multiply(multiply(multiply(inverse(multiply(multiply(A,inverse(A)),B)),C),inverse(C)),multiply(D,inverse(D)))) = B,
    inference(para_from,[status(thm),theory(equality)],[13,3]),
    [iquote('para_from,13.1.1,3.1.1.1.1.1.1.1.1')] ).

cnf(38,plain,
    inverse(multiply(multiply(multiply(A,inverse(A)),B),multiply(C,inverse(C)))) = inverse(multiply(inverse(inverse(multiply(D,inverse(D)))),B)),
    inference(para_into,[status(thm),theory(equality)],[27,13]),
    [iquote('para_into,26.1.1.1.1.1,13.1.1')] ).

cnf(47,plain,
    inverse(multiply(inverse(inverse(multiply(A,inverse(A)))),B)) = inverse(multiply(multiply(multiply(C,inverse(C)),B),multiply(D,inverse(D)))),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[38])]),
    [iquote('copy,38,flip.1')] ).

cnf(104,plain,
    inverse(multiply(A,inverse(A))) = inverse(multiply(B,inverse(B))),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[28,13]),27]),
    [iquote('para_into,28.1.1.1.1.1.1.1,13.1.1,demod,27')] ).

cnf(157,plain,
    multiply(multiply(A,inverse(A)),inverse(multiply(B,inverse(B)))) = multiply(C,inverse(C)),
    inference(para_from,[status(thm),theory(equality)],[104,13]),
    [iquote('para_from,104.1.1,13.1.1.2')] ).

cnf(171,plain,
    multiply(A,inverse(A)) = multiply(multiply(B,inverse(B)),inverse(multiply(C,inverse(C)))),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[157])]),
    [iquote('copy,157,flip.1')] ).

cnf(202,plain,
    inverse(multiply(multiply(inverse(multiply(A,inverse(A))),B),inverse(B))) = multiply(C,inverse(C)),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[157,5]),27]),
    [iquote('para_from,157.1.1,5.1.1.1.1.1.2.1.1,demod,27')] ).

cnf(220,plain,
    inverse(multiply(multiply(multiply(multiply(A,inverse(A)),inverse(multiply(B,inverse(B)))),inverse(inverse(inverse(multiply(multiply(C,inverse(C)),D))))),multiply(E,inverse(E)))) = D,
    inference(para_from,[status(thm),theory(equality)],[171,28]),
    [iquote('para_from,171.1.1,28.1.1.1.1.1')] ).

cnf(223,plain,
    inverse(multiply(multiply(multiply(multiply(A,inverse(A)),inverse(multiply(B,inverse(B)))),C),multiply(D,inverse(D)))) = inverse(multiply(inverse(inverse(multiply(E,inverse(E)))),C)),
    inference(para_from,[status(thm),theory(equality)],[171,27]),
    [iquote('para_from,171.1.1,26.1.1.1.1.1')] ).

cnf(235,plain,
    inverse(multiply(inverse(inverse(multiply(A,inverse(A)))),B)) = inverse(multiply(multiply(multiply(multiply(C,inverse(C)),inverse(multiply(D,inverse(D)))),B),multiply(E,inverse(E)))),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[223])]),
    [iquote('copy,223,flip.1')] ).

cnf(296,plain,
    inverse(multiply(multiply(multiply(multiply(A,inverse(A)),inverse(multiply(B,inverse(B)))),C),multiply(D,inverse(D)))) = inverse(C),
    inference(para_from,[status(thm),theory(equality)],[202,3]),
    [iquote('para_from,202.1.1,3.1.1.1.1.1.1')] ).

cnf(299,plain,
    inverse(multiply(inverse(inverse(multiply(A,inverse(A)))),B)) = inverse(B),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[235]),296]),
    [iquote('back_demod,235,demod,296')] ).

cnf(301,plain,
    inverse(inverse(inverse(inverse(multiply(multiply(A,inverse(A)),B))))) = B,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[220]),296]),
    [iquote('back_demod,220,demod,296')] ).

cnf(304,plain,
    inverse(multiply(multiply(multiply(A,inverse(A)),B),multiply(C,inverse(C)))) = inverse(B),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[47]),299])]),
    [iquote('back_demod,47,demod,299,flip.1')] ).

cnf(332,plain,
    inverse(inverse(inverse(inverse(multiply(multiply(inverse(inverse(inverse(multiply(multiply(A,inverse(A)),B)))),B),C))))) = C,
    inference(para_into,[status(thm),theory(equality)],[301,301]),
    [iquote('para_into,300.1.1.1.1.1.1.1.2,300.1.1')] ).

cnf(334,plain,
    inverse(inverse(inverse(inverse(multiply(multiply(multiply(inverse(inverse(multiply(A,inverse(A)))),B),inverse(B)),C))))) = C,
    inference(para_into,[status(thm),theory(equality)],[301,299]),
    [iquote('para_into,300.1.1.1.1.1.1.1.2,298.1.1')] ).

cnf(378,plain,
    inverse(multiply(multiply(multiply(inverse(inverse(inverse(multiply(multiply(A,inverse(A)),B)))),B),C),multiply(D,inverse(D)))) = inverse(C),
    inference(para_into,[status(thm),theory(equality)],[304,301]),
    [iquote('para_into,304.1.1.1.1.1.2,300.1.1')] ).

cnf(387,plain,
    inverse(multiply(multiply(multiply(A,inverse(A)),B),multiply(multiply(C,inverse(C)),inverse(multiply(D,inverse(D)))))) = inverse(B),
    inference(para_into,[status(thm),theory(equality)],[304,104]),
    [iquote('para_into,304.1.1.1.2.2,104.1.1')] ).

cnf(389,plain,
    inverse(inverse(inverse(inverse(inverse(multiply(A,inverse(A))))))) = multiply(B,inverse(B)),
    inference(para_from,[status(thm),theory(equality)],[304,301]),
    [iquote('para_from,304.1.1,300.1.1.1.1.1')] ).

cnf(432,plain,
    inverse(inverse(multiply(A,inverse(A)))) = multiply(B,inverse(B)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[389,104]),301]),
    [iquote('para_into,389.1.1.1.1.1.1.1.2,104.1.1,demod,301')] ).

cnf(470,plain,
    inverse(multiply(multiply(A,inverse(A)),B)) = inverse(B),
    inference(para_from,[status(thm),theory(equality)],[432,299]),
    [iquote('para_from,432.1.1,298.1.1.1.1')] ).

cnf(471,plain,
    inverse(multiply(multiply(multiply(inverse(A),inverse(multiply(B,inverse(B)))),multiply(C,inverse(C))),multiply(D,inverse(D)))) = A,
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[432,28]),470]),
    [iquote('para_from,432.1.1,28.1.1.1.1.2,demod,470')] ).

cnf(508,plain,
    inverse(multiply(multiply(multiply(inverse(inverse(inverse(A))),A),B),multiply(C,inverse(C)))) = inverse(B),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[378]),470]),
    [iquote('back_demod,378,demod,470')] ).

cnf(530,plain,
    inverse(inverse(inverse(inverse(multiply(multiply(inverse(inverse(inverse(A))),A),B))))) = B,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[332]),470]),
    [iquote('back_demod,332,demod,470')] ).

cnf(537,plain,
    inverse(inverse(inverse(inverse(A)))) = A,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[301]),470]),
    [iquote('back_demod,300,demod,470')] ).

cnf(573,plain,
    multiply(multiply(inverse(inverse(inverse(A))),A),B) = B,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[530]),537]),
    [iquote('back_demod,530,demod,537')] ).

cnf(602,plain,
    multiply(multiply(multiply(inverse(inverse(multiply(A,inverse(A)))),B),inverse(B)),C) = C,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[334]),537]),
    [iquote('back_demod,334,demod,537')] ).

cnf(613,plain,
    inverse(multiply(A,multiply(B,inverse(B)))) = inverse(A),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[508]),573]),
    [iquote('back_demod,508,demod,573')] ).

cnf(628,plain,
    inverse(multiply(inverse(A),inverse(multiply(B,inverse(B))))) = A,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[471]),613,613]),
    [iquote('back_demod,471,demod,613,613')] ).

cnf(641,plain,
    multiply(inverse(inverse(multiply(A,inverse(A)))),B) = B,
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[537,299]),537])]),
    [iquote('para_into,536.1.1.1.1.1,298.1.1,demod,537,flip.1')] ).

cnf(643,plain,
    multiply(multiply(A,inverse(A)),B) = B,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[602]),641]),
    [iquote('back_demod,602,demod,641')] ).

cnf(661,plain,
    inverse(multiply(A,inverse(multiply(B,inverse(B))))) = inverse(A),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[387]),643,643]),
    [iquote('back_demod,387,demod,643,643')] ).

cnf(669,plain,
    inverse(inverse(A)) = A,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[628]),661]),
    [iquote('back_demod,628,demod,661')] ).

cnf(674,plain,
    multiply(multiply(inverse(A),A),B) = B,
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[573]),669]),
    [iquote('back_demod,572,demod,669')] ).

cnf(676,plain,
    $false,
    inference(binary,[status(thm)],[674,1]),
    [iquote('binary,674.1,1.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : GRP434-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.12  % 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 05:25:41 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 1.98/2.12  ----- Otter 3.3f, August 2004 -----
% 1.98/2.12  The process was started by sandbox on n015.cluster.edu,
% 1.98/2.12  Wed Jul 27 05:25:41 2022
% 1.98/2.12  The command was "./otter".  The process ID is 27186.
% 1.98/2.12  
% 1.98/2.12  set(prolog_style_variables).
% 1.98/2.12  set(auto).
% 1.98/2.12     dependent: set(auto1).
% 1.98/2.12     dependent: set(process_input).
% 1.98/2.12     dependent: clear(print_kept).
% 1.98/2.12     dependent: clear(print_new_demod).
% 1.98/2.12     dependent: clear(print_back_demod).
% 1.98/2.12     dependent: clear(print_back_sub).
% 1.98/2.12     dependent: set(control_memory).
% 1.98/2.12     dependent: assign(max_mem, 12000).
% 1.98/2.12     dependent: assign(pick_given_ratio, 4).
% 1.98/2.12     dependent: assign(stats_level, 1).
% 1.98/2.12     dependent: assign(max_seconds, 10800).
% 1.98/2.12  clear(print_given).
% 1.98/2.12  
% 1.98/2.12  list(usable).
% 1.98/2.12  0 [] A=A.
% 1.98/2.12  0 [] inverse(multiply(multiply(multiply(inverse(multiply(multiply(A,B),C)),A),B),multiply(D,inverse(D))))=C.
% 1.98/2.12  0 [] multiply(multiply(inverse(b2),b2),a2)!=a2.
% 1.98/2.12  end_of_list.
% 1.98/2.12  
% 1.98/2.12  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.98/2.12  
% 1.98/2.12  All clauses are units, and equality is present; the
% 1.98/2.12  strategy will be Knuth-Bendix with positive clauses in sos.
% 1.98/2.12  
% 1.98/2.12     dependent: set(knuth_bendix).
% 1.98/2.12     dependent: set(anl_eq).
% 1.98/2.12     dependent: set(para_from).
% 1.98/2.12     dependent: set(para_into).
% 1.98/2.12     dependent: clear(para_from_right).
% 1.98/2.12     dependent: clear(para_into_right).
% 1.98/2.12     dependent: set(para_from_vars).
% 1.98/2.12     dependent: set(eq_units_both_ways).
% 1.98/2.12     dependent: set(dynamic_demod_all).
% 1.98/2.12     dependent: set(dynamic_demod).
% 1.98/2.12     dependent: set(order_eq).
% 1.98/2.12     dependent: set(back_demod).
% 1.98/2.12     dependent: set(lrpo).
% 1.98/2.12  
% 1.98/2.12  ------------> process usable:
% 1.98/2.12  ** KEPT (pick-wt=8): 1 [] multiply(multiply(inverse(b2),b2),a2)!=a2.
% 1.98/2.12  
% 1.98/2.12  ------------> process sos:
% 1.98/2.12  ** KEPT (pick-wt=3): 2 [] A=A.
% 1.98/2.12  ** KEPT (pick-wt=18): 3 [] inverse(multiply(multiply(multiply(inverse(multiply(multiply(A,B),C)),A),B),multiply(D,inverse(D))))=C.
% 1.98/2.12  ---> New Demodulator: 4 [new_demod,3] inverse(multiply(multiply(multiply(inverse(multiply(multiply(A,B),C)),A),B),multiply(D,inverse(D))))=C.
% 1.98/2.12    Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 1.98/2.12  >>>> Starting back demodulation with 4.
% 1.98/2.12  
% 1.98/2.12  ======= end of input processing =======
% 1.98/2.12  
% 1.98/2.12  =========== start of search ===========
% 1.98/2.12  
% 1.98/2.12  
% 1.98/2.12  Resetting weight limit to 22.
% 1.98/2.12  
% 1.98/2.12  
% 1.98/2.12  Resetting weight limit to 22.
% 1.98/2.12  
% 1.98/2.12  sos_size=205
% 1.98/2.12  
% 1.98/2.12  -------- PROOF -------- 
% 1.98/2.12  
% 1.98/2.12  ----> UNIT CONFLICT at   0.04 sec ----> 676 [binary,674.1,1.1] $F.
% 1.98/2.12  
% 1.98/2.12  Length of proof is 37.  Level of proof is 19.
% 1.98/2.12  
% 1.98/2.12  ---------------- PROOF ----------------
% 1.98/2.12  % SZS status Unsatisfiable
% 1.98/2.12  % SZS output start Refutation
% See solution above
% 1.98/2.12  ------------ end of proof -------------
% 1.98/2.12  
% 1.98/2.12  
% 1.98/2.12  Search stopped by max_proofs option.
% 1.98/2.12  
% 1.98/2.12  
% 1.98/2.12  Search stopped by max_proofs option.
% 1.98/2.12  
% 1.98/2.12  ============ end of search ============
% 1.98/2.12  
% 1.98/2.12  -------------- statistics -------------
% 1.98/2.12  clauses given                 23
% 1.98/2.12  clauses generated            917
% 1.98/2.12  clauses kept                 534
% 1.98/2.12  clauses forward subsumed     671
% 1.98/2.12  clauses back subsumed          0
% 1.98/2.12  Kbytes malloced             6835
% 1.98/2.12  
% 1.98/2.12  ----------- times (seconds) -----------
% 1.98/2.12  user CPU time          0.04          (0 hr, 0 min, 0 sec)
% 1.98/2.12  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.98/2.12  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.98/2.12  
% 1.98/2.12  That finishes the proof of the theorem.
% 1.98/2.12  
% 1.98/2.12  Process 27186 finished Wed Jul 27 05:25:43 2022
% 1.98/2.13  Otter interrupted
% 1.98/2.13  PROOF FOUND
%------------------------------------------------------------------------------