TSTP Solution File: KLE148+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KLE148+1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n017.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 13:00:51 EDT 2022

% Result   : Theorem 2.21s 2.46s
% Output   : Refutation 2.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   16 (  16 unt;   0 nHn;   4 RR)
%            Number of literals    :   16 (  15 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   20 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(6,axiom,
    multiplication(dollar_c2,strong_iteration(dollar_c1)) != dollar_c2,
    file('KLE148+1.p',unknown),
    [] ).

cnf(8,axiom,
    addition(A,B) = addition(B,A),
    file('KLE148+1.p',unknown),
    [] ).

cnf(12,axiom,
    addition(A,zero) = A,
    file('KLE148+1.p',unknown),
    [] ).

cnf(16,axiom,
    multiplication(A,multiplication(B,C)) = multiplication(multiplication(A,B),C),
    file('KLE148+1.p',unknown),
    [] ).

cnf(17,plain,
    multiplication(multiplication(A,B),C) = multiplication(A,multiplication(B,C)),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[16])]),
    [iquote('copy,16,flip.1')] ).

cnf(20,axiom,
    multiplication(A,one) = A,
    file('KLE148+1.p',unknown),
    [] ).

cnf(23,axiom,
    multiplication(A,addition(B,C)) = addition(multiplication(A,B),multiplication(A,C)),
    file('KLE148+1.p',unknown),
    [] ).

cnf(28,axiom,
    multiplication(zero,A) = zero,
    file('KLE148+1.p',unknown),
    [] ).

cnf(33,axiom,
    strong_iteration(A) = addition(multiplication(A,strong_iteration(A)),one),
    file('KLE148+1.p',unknown),
    [] ).

cnf(34,plain,
    addition(multiplication(A,strong_iteration(A)),one) = strong_iteration(A),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[33])]),
    [iquote('copy,33,flip.1')] ).

cnf(39,axiom,
    multiplication(dollar_c2,dollar_c1) = zero,
    file('KLE148+1.p',unknown),
    [] ).

cnf(53,plain,
    addition(zero,A) = A,
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[8,12])]),
    [iquote('para_into,8.1.1,12.1.1,flip.1')] ).

cnf(92,plain,
    multiplication(dollar_c2,multiplication(dollar_c1,A)) = zero,
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[17,39]),28])]),
    [iquote('para_into,17.1.1.1,39.1.1,demod,28,flip.1')] ).

cnf(274,plain,
    addition(multiplication(A,multiplication(B,strong_iteration(B))),A) = multiplication(A,strong_iteration(B)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[34,23]),20])]),
    [iquote('para_from,34.1.1,23.1.1.2,demod,20,flip.1')] ).

cnf(2733,plain,
    multiplication(dollar_c2,strong_iteration(dollar_c1)) = dollar_c2,
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[274,92]),53])]),
    [iquote('para_into,274.1.1.1,92.1.1,demod,53,flip.1')] ).

cnf(2735,plain,
    $false,
    inference(binary,[status(thm)],[2733,6]),
    [iquote('binary,2733.1,6.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : KLE148+1 : TPTP v8.1.0. Released v4.0.0.
% 0.10/0.12  % Command  : otter-tptp-script %s
% 0.13/0.33  % Computer : n017.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 05:56:48 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 1.73/1.94  ----- Otter 3.3f, August 2004 -----
% 1.73/1.94  The process was started by sandbox on n017.cluster.edu,
% 1.73/1.94  Wed Jul 27 05:56:48 2022
% 1.73/1.94  The command was "./otter".  The process ID is 9827.
% 1.73/1.94  
% 1.73/1.94  set(prolog_style_variables).
% 1.73/1.94  set(auto).
% 1.73/1.94     dependent: set(auto1).
% 1.73/1.94     dependent: set(process_input).
% 1.73/1.94     dependent: clear(print_kept).
% 1.73/1.94     dependent: clear(print_new_demod).
% 1.73/1.94     dependent: clear(print_back_demod).
% 1.73/1.94     dependent: clear(print_back_sub).
% 1.73/1.94     dependent: set(control_memory).
% 1.73/1.94     dependent: assign(max_mem, 12000).
% 1.73/1.94     dependent: assign(pick_given_ratio, 4).
% 1.73/1.94     dependent: assign(stats_level, 1).
% 1.73/1.94     dependent: assign(max_seconds, 10800).
% 1.73/1.94  clear(print_given).
% 1.73/1.94  
% 1.73/1.94  formula_list(usable).
% 1.73/1.94  all A (A=A).
% 1.73/1.94  all A B (addition(A,B)=addition(B,A)).
% 1.73/1.94  all C B A (addition(A,addition(B,C))=addition(addition(A,B),C)).
% 1.73/1.94  all A (addition(A,zero)=A).
% 1.73/1.94  all A (addition(A,A)=A).
% 1.73/1.94  all A B C (multiplication(A,multiplication(B,C))=multiplication(multiplication(A,B),C)).
% 1.73/1.94  all A (multiplication(A,one)=A).
% 1.73/1.94  all A (multiplication(one,A)=A).
% 1.73/1.94  all A B C (multiplication(A,addition(B,C))=addition(multiplication(A,B),multiplication(A,C))).
% 1.73/1.94  all A B C (multiplication(addition(A,B),C)=addition(multiplication(A,C),multiplication(B,C))).
% 1.73/1.94  all A (multiplication(zero,A)=zero).
% 1.73/1.94  all A (addition(one,multiplication(A,star(A)))=star(A)).
% 1.73/1.94  all A (addition(one,multiplication(star(A),A))=star(A)).
% 1.73/1.94  all A B C (le_q(addition(multiplication(A,C),B),C)->le_q(multiplication(star(A),B),C)).
% 1.73/1.94  all A B C (le_q(addition(multiplication(C,A),B),C)->le_q(multiplication(B,star(A)),C)).
% 1.73/1.94  all A (strong_iteration(A)=addition(multiplication(A,strong_iteration(A)),one)).
% 1.73/1.94  all A B C (le_q(C,addition(multiplication(A,C),B))->le_q(C,multiplication(strong_iteration(A),B))).
% 1.73/1.94  all A (strong_iteration(A)=addition(star(A),multiplication(strong_iteration(A),zero))).
% 1.73/1.94  all A B (le_q(A,B)<->addition(A,B)=B).
% 1.73/1.94  -(all X0 X1 (multiplication(X0,X1)=zero->multiplication(X0,strong_iteration(X1))=X0)).
% 1.73/1.94  end_of_list.
% 1.73/1.94  
% 1.73/1.94  -------> usable clausifies to:
% 1.73/1.94  
% 1.73/1.94  list(usable).
% 1.73/1.94  0 [] A=A.
% 1.73/1.94  0 [] addition(A,B)=addition(B,A).
% 1.73/1.94  0 [] addition(A,addition(B,C))=addition(addition(A,B),C).
% 1.73/1.94  0 [] addition(A,zero)=A.
% 1.73/1.94  0 [] addition(A,A)=A.
% 1.73/1.94  0 [] multiplication(A,multiplication(B,C))=multiplication(multiplication(A,B),C).
% 1.73/1.94  0 [] multiplication(A,one)=A.
% 1.73/1.94  0 [] multiplication(one,A)=A.
% 1.73/1.94  0 [] multiplication(A,addition(B,C))=addition(multiplication(A,B),multiplication(A,C)).
% 1.73/1.94  0 [] multiplication(addition(A,B),C)=addition(multiplication(A,C),multiplication(B,C)).
% 1.73/1.94  0 [] multiplication(zero,A)=zero.
% 1.73/1.94  0 [] addition(one,multiplication(A,star(A)))=star(A).
% 1.73/1.94  0 [] addition(one,multiplication(star(A),A))=star(A).
% 1.73/1.94  0 [] -le_q(addition(multiplication(A,C),B),C)|le_q(multiplication(star(A),B),C).
% 1.73/1.94  0 [] -le_q(addition(multiplication(C,A),B),C)|le_q(multiplication(B,star(A)),C).
% 1.73/1.94  0 [] strong_iteration(A)=addition(multiplication(A,strong_iteration(A)),one).
% 1.73/1.94  0 [] -le_q(C,addition(multiplication(A,C),B))|le_q(C,multiplication(strong_iteration(A),B)).
% 1.73/1.94  0 [] strong_iteration(A)=addition(star(A),multiplication(strong_iteration(A),zero)).
% 1.73/1.94  0 [] -le_q(A,B)|addition(A,B)=B.
% 1.73/1.94  0 [] le_q(A,B)|addition(A,B)!=B.
% 1.73/1.94  0 [] multiplication($c2,$c1)=zero.
% 1.73/1.94  0 [] multiplication($c2,strong_iteration($c1))!=$c2.
% 1.73/1.94  end_of_list.
% 1.73/1.94  
% 1.73/1.94  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=2.
% 1.73/1.94  
% 1.73/1.94  This is a Horn set with equality.  The strategy will be
% 1.73/1.94  Knuth-Bendix and hyper_res, with positive clauses in
% 1.73/1.94  sos and nonpositive clauses in usable.
% 1.73/1.94  
% 1.73/1.94     dependent: set(knuth_bendix).
% 1.73/1.94     dependent: set(anl_eq).
% 1.73/1.94     dependent: set(para_from).
% 1.73/1.94     dependent: set(para_into).
% 1.73/1.94     dependent: clear(para_from_right).
% 1.73/1.94     dependent: clear(para_into_right).
% 1.73/1.94     dependent: set(para_from_vars).
% 1.73/1.94     dependent: set(eq_units_both_ways).
% 1.73/1.94     dependent: set(dynamic_demod_all).
% 1.73/1.94     dependent: set(dynamic_demod).
% 1.73/1.94     dependent: set(order_eq).
% 1.73/1.94     dependent: set(back_demod).
% 1.73/1.94     dependent: set(lrpo).
% 1.73/1.94     dependent: set(hyper_res).
% 1.73/1.94     dependent: clear(order_hyper).
% 1.73/1.94  
% 1.73/1.94  ------------> process usable:
% 1.73/1.94  ** KEPT (pick-wt=13): 1 [] -le_q(addition(multiplication(A,B),C),B)|le_q(multiplication(star(A),C),B).
% 1.73/1.94  ** KEPT (pick-wt=13): 2 [] -le_q(addition(multiplication(A,B),C),A)|le_q(multiplication(C,star(B)),A).
% 1.73/1.94  ** KEPT (pick-wt=13): 3 [] -le_q(A,addition(multiplication(B,A),C))|le_q(A,multiplication(strong_iteration(B),C)).
% 2.21/2.46  ** KEPT (pick-wt=8): 4 [] -le_q(A,B)|addition(A,B)=B.
% 2.21/2.46  ** KEPT (pick-wt=8): 5 [] le_q(A,B)|addition(A,B)!=B.
% 2.21/2.46  ** KEPT (pick-wt=6): 6 [] multiplication($c2,strong_iteration($c1))!=$c2.
% 2.21/2.46  
% 2.21/2.46  ------------> process sos:
% 2.21/2.46  ** KEPT (pick-wt=3): 7 [] A=A.
% 2.21/2.46  ** KEPT (pick-wt=7): 8 [] addition(A,B)=addition(B,A).
% 2.21/2.46  ** KEPT (pick-wt=11): 10 [copy,9,flip.1] addition(addition(A,B),C)=addition(A,addition(B,C)).
% 2.21/2.46  ---> New Demodulator: 11 [new_demod,10] addition(addition(A,B),C)=addition(A,addition(B,C)).
% 2.21/2.46  ** KEPT (pick-wt=5): 12 [] addition(A,zero)=A.
% 2.21/2.46  ---> New Demodulator: 13 [new_demod,12] addition(A,zero)=A.
% 2.21/2.46  ** KEPT (pick-wt=5): 14 [] addition(A,A)=A.
% 2.21/2.46  ---> New Demodulator: 15 [new_demod,14] addition(A,A)=A.
% 2.21/2.46  ** KEPT (pick-wt=11): 17 [copy,16,flip.1] multiplication(multiplication(A,B),C)=multiplication(A,multiplication(B,C)).
% 2.21/2.46  ---> New Demodulator: 18 [new_demod,17] multiplication(multiplication(A,B),C)=multiplication(A,multiplication(B,C)).
% 2.21/2.46  ** KEPT (pick-wt=5): 19 [] multiplication(A,one)=A.
% 2.21/2.46  ---> New Demodulator: 20 [new_demod,19] multiplication(A,one)=A.
% 2.21/2.46  ** KEPT (pick-wt=5): 21 [] multiplication(one,A)=A.
% 2.21/2.46  ---> New Demodulator: 22 [new_demod,21] multiplication(one,A)=A.
% 2.21/2.46  ** KEPT (pick-wt=13): 23 [] multiplication(A,addition(B,C))=addition(multiplication(A,B),multiplication(A,C)).
% 2.21/2.46  ---> New Demodulator: 24 [new_demod,23] multiplication(A,addition(B,C))=addition(multiplication(A,B),multiplication(A,C)).
% 2.21/2.46  ** KEPT (pick-wt=13): 25 [] multiplication(addition(A,B),C)=addition(multiplication(A,C),multiplication(B,C)).
% 2.21/2.46  ---> New Demodulator: 26 [new_demod,25] multiplication(addition(A,B),C)=addition(multiplication(A,C),multiplication(B,C)).
% 2.21/2.46  ** KEPT (pick-wt=5): 27 [] multiplication(zero,A)=zero.
% 2.21/2.46  ---> New Demodulator: 28 [new_demod,27] multiplication(zero,A)=zero.
% 2.21/2.46  ** KEPT (pick-wt=9): 29 [] addition(one,multiplication(A,star(A)))=star(A).
% 2.21/2.46  ---> New Demodulator: 30 [new_demod,29] addition(one,multiplication(A,star(A)))=star(A).
% 2.21/2.46  ** KEPT (pick-wt=9): 31 [] addition(one,multiplication(star(A),A))=star(A).
% 2.21/2.46  ---> New Demodulator: 32 [new_demod,31] addition(one,multiplication(star(A),A))=star(A).
% 2.21/2.46  ** KEPT (pick-wt=9): 34 [copy,33,flip.1] addition(multiplication(A,strong_iteration(A)),one)=strong_iteration(A).
% 2.21/2.46  ---> New Demodulator: 35 [new_demod,34] addition(multiplication(A,strong_iteration(A)),one)=strong_iteration(A).
% 2.21/2.46  ** KEPT (pick-wt=10): 37 [copy,36,flip.1] addition(star(A),multiplication(strong_iteration(A),zero))=strong_iteration(A).
% 2.21/2.46  ---> New Demodulator: 38 [new_demod,37] addition(star(A),multiplication(strong_iteration(A),zero))=strong_iteration(A).
% 2.21/2.46  ** KEPT (pick-wt=5): 39 [] multiplication($c2,$c1)=zero.
% 2.21/2.46  ---> New Demodulator: 40 [new_demod,39] multiplication($c2,$c1)=zero.
% 2.21/2.46    Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] A=A.
% 2.21/2.46    Following clause subsumed by 8 during input processing: 0 [copy,8,flip.1] addition(A,B)=addition(B,A).
% 2.21/2.46  >>>> Starting back demodulation with 11.
% 2.21/2.46  >>>> Starting back demodulation with 13.
% 2.21/2.46  >>>> Starting back demodulation with 15.
% 2.21/2.46  >>>> Starting back demodulation with 18.
% 2.21/2.46  >>>> Starting back demodulation with 20.
% 2.21/2.46  >>>> Starting back demodulation with 22.
% 2.21/2.46  >>>> Starting back demodulation with 24.
% 2.21/2.46  >>>> Starting back demodulation with 26.
% 2.21/2.46  >>>> Starting back demodulation with 28.
% 2.21/2.46  >>>> Starting back demodulation with 30.
% 2.21/2.46  >>>> Starting back demodulation with 32.
% 2.21/2.46  >>>> Starting back demodulation with 35.
% 2.21/2.46  >>>> Starting back demodulation with 38.
% 2.21/2.46  >>>> Starting back demodulation with 40.
% 2.21/2.46  
% 2.21/2.46  ======= end of input processing =======
% 2.21/2.46  
% 2.21/2.46  =========== start of search ===========
% 2.21/2.46  
% 2.21/2.46  
% 2.21/2.46  Resetting weight limit to 9.
% 2.21/2.46  
% 2.21/2.46  
% 2.21/2.46  Resetting weight limit to 9.
% 2.21/2.46  
% 2.21/2.46  sos_size=1121
% 2.21/2.46  
% 2.21/2.46  
% 2.21/2.46  Resetting weight limit to 8.
% 2.21/2.46  
% 2.21/2.46  
% 2.21/2.46  Resetting weight limit to 8.
% 2.21/2.46  
% 2.21/2.46  sos_size=1041
% 2.21/2.46  
% 2.21/2.46  -------- PROOF -------- 
% 2.21/2.46  
% 2.21/2.46  ----> UNIT CONFLICT at   0.52 sec ----> 2735 [binary,2733.1,6.1] $F.
% 2.21/2.46  
% 2.21/2.46  Length of proof is 6.  Level of proof is 3.
% 2.21/2.46  
% 2.21/2.46  ---------------- PROOF ----------------
% 2.21/2.46  % SZS status Theorem
% 2.21/2.46  % SZS output start Refutation
% See solution above
% 2.21/2.46  ------------ end of proof -------------
% 2.21/2.46  
% 2.21/2.46  
% 2.21/2.46  Search stopped by max_proofs option.
% 2.21/2.46  
% 2.21/2.46  
% 2.21/2.46  Search stopped by max_proofs option.
% 2.21/2.46  
% 2.21/2.46  ============ end of search ============
% 2.21/2.46  
% 2.21/2.46  -------------- statistics -------------
% 2.21/2.46  clauses given                651
% 2.21/2.46  clauses generated          76286
% 2.21/2.46  clauses kept                2503
% 2.21/2.46  clauses forward subsumed   20499
% 2.21/2.46  clauses back subsumed        596
% 2.21/2.46  Kbytes malloced             5859
% 2.21/2.46  
% 2.21/2.46  ----------- times (seconds) -----------
% 2.21/2.46  user CPU time          0.52          (0 hr, 0 min, 0 sec)
% 2.21/2.46  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 2.21/2.46  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.21/2.46  
% 2.21/2.46  That finishes the proof of the theorem.
% 2.21/2.46  
% 2.21/2.46  Process 9827 finished Wed Jul 27 05:56:50 2022
% 2.21/2.46  Otter interrupted
% 2.21/2.46  PROOF FOUND
%------------------------------------------------------------------------------