TSTP Solution File: HEN010-7 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : HEN010-7 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n021.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 12:58:00 EDT 2022

% Result   : Unsatisfiable 1.75s 1.96s
% Output   : Refutation 1.75s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   26 (  20 unt;   0 nHn;  19 RR)
%            Number of literals    :   43 (   5 equ;  19 neg)
%            Maximal clause size   :    6 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   35 (   3 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( ~ quotient(A,B,zero)
    | less_e_qual(A,B) ),
    file('HEN010-7.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ quotient(A,B,C)
    | ~ quotient(B,D,E)
    | ~ quotient(A,D,F)
    | ~ quotient(F,E,G)
    | ~ quotient(C,D,H)
    | less_e_qual(G,H) ),
    file('HEN010-7.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ less_e_qual(A,B)
    | ~ less_e_qual(B,A)
    | A = B ),
    file('HEN010-7.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ quotient(A,B,C)
    | ~ less_e_qual(C,D)
    | ~ quotient(A,D,E)
    | less_e_qual(E,B) ),
    file('HEN010-7.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ less_e_qual(A,B)
    | ~ quotient(C,B,D)
    | ~ quotient(C,A,E)
    | less_e_qual(D,E) ),
    file('HEN010-7.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ less_e_qual(A,B)
    | ~ quotient(A,C,D)
    | ~ quotient(B,C,E)
    | less_e_qual(D,E) ),
    file('HEN010-7.p',unknown),
    [] ).

cnf(11,axiom,
    idQa != idQa_Q__idQ_idQa,
    file('HEN010-7.p',unknown),
    [] ).

cnf(12,plain,
    idQa_Q__idQ_idQa != idQa,
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[11])]),
    [iquote('copy,11,flip.1')] ).

cnf(14,axiom,
    less_e_qual(zero,A),
    file('HEN010-7.p',unknown),
    [] ).

cnf(15,axiom,
    less_e_qual(A,identity),
    file('HEN010-7.p',unknown),
    [] ).

cnf(16,axiom,
    quotient(A,B,divide(A,B)),
    file('HEN010-7.p',unknown),
    [] ).

cnf(19,axiom,
    quotient(A,A,zero),
    file('HEN010-7.p',unknown),
    [] ).

cnf(20,axiom,
    quotient(A,zero,A),
    file('HEN010-7.p',unknown),
    [] ).

cnf(21,axiom,
    quotient(identity,a,idQa),
    file('HEN010-7.p',unknown),
    [] ).

cnf(22,axiom,
    quotient(identity,idQa,idQ_idQa),
    file('HEN010-7.p',unknown),
    [] ).

cnf(23,axiom,
    quotient(idQa,idQ_idQa,idQa_Q__idQ_idQa),
    file('HEN010-7.p',unknown),
    [] ).

cnf(60,plain,
    less_e_qual(A,A),
    inference(hyper,[status(thm)],[19,2]),
    [iquote('hyper,19,2')] ).

cnf(72,plain,
    less_e_qual(divide(A,a),idQa),
    inference(hyper,[status(thm)],[21,10,15,16]),
    [iquote('hyper,21,10,15,16')] ).

cnf(77,plain,
    less_e_qual(idQa,divide(idQa,a)),
    inference(hyper,[status(thm)],[21,4,21,19,20,16]),
    [iquote('hyper,21,4,21,19,20,16')] ).

cnf(91,plain,
    less_e_qual(idQ_idQa,a),
    inference(hyper,[status(thm)],[22,8,21,60]),
    [iquote('hyper,22,8,21,60')] ).

cnf(120,plain,
    less_e_qual(divide(idQa,a),idQa_Q__idQ_idQa),
    inference(hyper,[status(thm)],[23,9,91,16]),
    [iquote('hyper,23,9,91,16')] ).

cnf(121,plain,
    less_e_qual(idQa_Q__idQ_idQa,idQa),
    inference(hyper,[status(thm)],[23,9,14,20]),
    [iquote('hyper,23,9,14,20')] ).

cnf(229,plain,
    divide(idQa,a) = idQa,
    inference(hyper,[status(thm)],[77,5,72]),
    [iquote('hyper,77,5,72')] ).

cnf(231,plain,
    less_e_qual(idQa,idQa_Q__idQ_idQa),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[120]),229]),
    [iquote('back_demod,120,demod,229')] ).

cnf(239,plain,
    idQa_Q__idQ_idQa = idQa,
    inference(hyper,[status(thm)],[231,5,121]),
    [iquote('hyper,231,5,121')] ).

cnf(241,plain,
    $false,
    inference(binary,[status(thm)],[239,12]),
    [iquote('binary,239.1,12.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : HEN010-7 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : otter-tptp-script %s
% 0.13/0.33  % Computer : n021.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 08:53:23 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.75/1.96  ----- Otter 3.3f, August 2004 -----
% 1.75/1.96  The process was started by sandbox2 on n021.cluster.edu,
% 1.75/1.96  Wed Jul 27 08:53:23 2022
% 1.75/1.96  The command was "./otter".  The process ID is 12864.
% 1.75/1.96  
% 1.75/1.96  set(prolog_style_variables).
% 1.75/1.96  set(auto).
% 1.75/1.96     dependent: set(auto1).
% 1.75/1.96     dependent: set(process_input).
% 1.75/1.96     dependent: clear(print_kept).
% 1.75/1.96     dependent: clear(print_new_demod).
% 1.75/1.96     dependent: clear(print_back_demod).
% 1.75/1.96     dependent: clear(print_back_sub).
% 1.75/1.96     dependent: set(control_memory).
% 1.75/1.96     dependent: assign(max_mem, 12000).
% 1.75/1.96     dependent: assign(pick_given_ratio, 4).
% 1.75/1.96     dependent: assign(stats_level, 1).
% 1.75/1.96     dependent: assign(max_seconds, 10800).
% 1.75/1.96  clear(print_given).
% 1.75/1.96  
% 1.75/1.96  list(usable).
% 1.75/1.96  0 [] A=A.
% 1.75/1.96  0 [] -less_e_qual(X,Y)|quotient(X,Y,zero).
% 1.75/1.96  0 [] -quotient(X,Y,zero)|less_e_qual(X,Y).
% 1.75/1.96  0 [] -quotient(X,Y,Z)|less_e_qual(Z,X).
% 1.75/1.96  0 [] -quotient(X,Y,V1)| -quotient(Y,Z,V2)| -quotient(X,Z,V3)| -quotient(V3,V2,V4)| -quotient(V1,Z,V5)|less_e_qual(V4,V5).
% 1.75/1.96  0 [] less_e_qual(zero,X).
% 1.75/1.96  0 [] -less_e_qual(X,Y)| -less_e_qual(Y,X)|X=Y.
% 1.75/1.96  0 [] less_e_qual(X,identity).
% 1.75/1.96  0 [] quotient(X,Y,divide(X,Y)).
% 1.75/1.96  0 [] -quotient(X,Y,Z)| -quotient(X,Y,W)|Z=W.
% 1.75/1.96  0 [] quotient(X,identity,zero).
% 1.75/1.96  0 [] quotient(zero,X,zero).
% 1.75/1.96  0 [] quotient(X,X,zero).
% 1.75/1.96  0 [] quotient(X,zero,X).
% 1.75/1.96  0 [] -less_e_qual(X,Y)| -less_e_qual(Y,Z)|less_e_qual(X,Z).
% 1.75/1.96  0 [] -quotient(X,Y,W1)| -less_e_qual(W1,Z)| -quotient(X,Z,W2)|less_e_qual(W2,Y).
% 1.75/1.96  0 [] -less_e_qual(X,Y)| -quotient(Z,Y,W1)| -quotient(Z,X,W2)|less_e_qual(W1,W2).
% 1.75/1.96  0 [] -less_e_qual(X,Y)| -quotient(X,Z,W1)| -quotient(Y,Z,W2)|less_e_qual(W1,W2).
% 1.75/1.96  0 [] quotient(identity,a,idQa).
% 1.75/1.96  0 [] quotient(identity,idQa,idQ_idQa).
% 1.75/1.96  0 [] quotient(idQa,idQ_idQa,idQa_Q__idQ_idQa).
% 1.75/1.96  0 [] idQa!=idQa_Q__idQ_idQa.
% 1.75/1.96  end_of_list.
% 1.75/1.96  
% 1.75/1.96  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=6.
% 1.75/1.96  
% 1.75/1.96  This is a Horn set with equality.  The strategy will be
% 1.75/1.96  Knuth-Bendix and hyper_res, with positive clauses in
% 1.75/1.96  sos and nonpositive clauses in usable.
% 1.75/1.96  
% 1.75/1.96     dependent: set(knuth_bendix).
% 1.75/1.96     dependent: set(anl_eq).
% 1.75/1.96     dependent: set(para_from).
% 1.75/1.96     dependent: set(para_into).
% 1.75/1.96     dependent: clear(para_from_right).
% 1.75/1.96     dependent: clear(para_into_right).
% 1.75/1.96     dependent: set(para_from_vars).
% 1.75/1.96     dependent: set(eq_units_both_ways).
% 1.75/1.96     dependent: set(dynamic_demod_all).
% 1.75/1.96     dependent: set(dynamic_demod).
% 1.75/1.96     dependent: set(order_eq).
% 1.75/1.96     dependent: set(back_demod).
% 1.75/1.96     dependent: set(lrpo).
% 1.75/1.96     dependent: set(hyper_res).
% 1.75/1.96     dependent: clear(order_hyper).
% 1.75/1.96  
% 1.75/1.96  ------------> process usable:
% 1.75/1.96  ** KEPT (pick-wt=7): 1 [] -less_e_qual(A,B)|quotient(A,B,zero).
% 1.75/1.96  ** KEPT (pick-wt=7): 2 [] -quotient(A,B,zero)|less_e_qual(A,B).
% 1.75/1.96  ** KEPT (pick-wt=7): 3 [] -quotient(A,B,C)|less_e_qual(C,A).
% 1.75/1.96  ** KEPT (pick-wt=23): 4 [] -quotient(A,B,C)| -quotient(B,D,E)| -quotient(A,D,F)| -quotient(F,E,G)| -quotient(C,D,H)|less_e_qual(G,H).
% 1.75/1.96  ** KEPT (pick-wt=9): 5 [] -less_e_qual(A,B)| -less_e_qual(B,A)|A=B.
% 1.75/1.96  ** KEPT (pick-wt=11): 6 [] -quotient(A,B,C)| -quotient(A,B,D)|C=D.
% 1.75/1.96  ** KEPT (pick-wt=9): 7 [] -less_e_qual(A,B)| -less_e_qual(B,C)|less_e_qual(A,C).
% 1.75/1.96  ** KEPT (pick-wt=14): 8 [] -quotient(A,B,C)| -less_e_qual(C,D)| -quotient(A,D,E)|less_e_qual(E,B).
% 1.75/1.96  ** KEPT (pick-wt=14): 9 [] -less_e_qual(A,B)| -quotient(C,B,D)| -quotient(C,A,E)|less_e_qual(D,E).
% 1.75/1.96  ** KEPT (pick-wt=14): 10 [] -less_e_qual(A,B)| -quotient(A,C,D)| -quotient(B,C,E)|less_e_qual(D,E).
% 1.75/1.96  ** KEPT (pick-wt=3): 12 [copy,11,flip.1] idQa_Q__idQ_idQa!=idQa.
% 1.75/1.96  
% 1.75/1.96  ------------> process sos:
% 1.75/1.96  ** KEPT (pick-wt=3): 13 [] A=A.
% 1.75/1.96  ** KEPT (pick-wt=3): 14 [] less_e_qual(zero,A).
% 1.75/1.96  ** KEPT (pick-wt=3): 15 [] less_e_qual(A,identity).
% 1.75/1.96  ** KEPT (pick-wt=6): 16 [] quotient(A,B,divide(A,B)).
% 1.75/1.96  ** KEPT (pick-wt=4): 17 [] quotient(A,identity,zero).
% 1.75/1.96  ** KEPT (pick-wt=4): 18 [] quotient(zero,A,zero).
% 1.75/1.96  ** KEPT (pick-wt=4): 19 [] quotient(A,A,zero).
% 1.75/1.96  ** KEPT (pick-wt=4): 20 [] quotient(A,zero,A).
% 1.75/1.96  ** KEPT (pick-wt=4): 21 [] quotient(identity,a,idQa).
% 1.75/1.96  ** KEPT (pick-wt=4): 22 [] quotient(identity,idQa,idQ_idQa).
% 1.75/1.96  ** KEPT (pick-wt=4): 23 [] quotient(idQa,idQ_idQa,idQa_Q__idQ_idQa).
% 1.75/1.96    Following clause subsumed by 13 during input processing: 0 [copy,13,flip.1] A=A.
% 1.75/1.96  
% 1.75/1.96  ======= end of input processing =======
% 1.75/1.96  
% 1.75/1.96  =========== start of search ===========
% 1.75/1.96  
% 1.75/1.96  -------- PROOF -------- 
% 1.75/1.96  
% 1.75/1.96  ----> UNIT CONFLICT at   0.02 sec ----> 241 [binary,239.1,12.1] $F.
% 1.75/1.96  
% 1.75/1.96  Length of proof is 10.  Level of proof is 5.
% 1.75/1.96  
% 1.75/1.96  ---------------- PROOF ----------------
% 1.75/1.96  % SZS status Unsatisfiable
% 1.75/1.96  % SZS output start Refutation
% See solution above
% 1.75/1.96  ------------ end of proof -------------
% 1.75/1.96  
% 1.75/1.96  
% 1.75/1.96  Search stopped by max_proofs option.
% 1.75/1.96  
% 1.75/1.96  
% 1.75/1.96  Search stopped by max_proofs option.
% 1.75/1.96  
% 1.75/1.96  ============ end of search ============
% 1.75/1.96  
% 1.75/1.96  -------------- statistics -------------
% 1.75/1.96  clauses given                 28
% 1.75/1.96  clauses generated           3556
% 1.75/1.96  clauses kept                 228
% 1.75/1.96  clauses forward subsumed    3382
% 1.75/1.96  clauses back subsumed         10
% 1.75/1.96  Kbytes malloced              976
% 1.75/1.96  
% 1.75/1.96  ----------- times (seconds) -----------
% 1.75/1.96  user CPU time          0.02          (0 hr, 0 min, 0 sec)
% 1.75/1.96  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.75/1.96  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.75/1.96  
% 1.75/1.96  That finishes the proof of the theorem.
% 1.75/1.96  
% 1.75/1.96  Process 12864 finished Wed Jul 27 08:53:24 2022
% 1.75/1.96  Otter interrupted
% 1.75/1.96  PROOF FOUND
%------------------------------------------------------------------------------