TSTP Solution File: CAT014-4 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : CAT014-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n005.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 12:47:49 EDT 2022

% Result   : Unsatisfiable 1.82s 2.00s
% Output   : Refutation 1.82s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   19 (  13 unt;   0 nHn;  17 RR)
%            Number of literals    :   25 (   9 equ;   7 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-2 aty)
%            Number of variables   :   10 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(5,axiom,
    ( ~ there_exists(codomain(A))
    | there_exists(A) ),
    file('CAT014-4.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ there_exists(compose(A,B))
    | there_exists(domain(A)) ),
    file('CAT014-4.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ there_exists(compose(A,B))
    | domain(A) = codomain(B) ),
    file('CAT014-4.p',unknown),
    [] ).

cnf(9,axiom,
    codomain(codomain(a)) != codomain(a),
    file('CAT014-4.p',unknown),
    [] ).

cnf(14,axiom,
    compose(A,domain(A)) = A,
    file('CAT014-4.p',unknown),
    [] ).

cnf(16,axiom,
    compose(codomain(A),A) = A,
    file('CAT014-4.p',unknown),
    [] ).

cnf(18,axiom,
    there_exists(codomain(a)),
    file('CAT014-4.p',unknown),
    [] ).

cnf(19,plain,
    there_exists(a),
    inference(hyper,[status(thm)],[18,5]),
    [iquote('hyper,18,5')] ).

cnf(42,plain,
    ( ~ there_exists(A)
    | codomain(domain(A)) = domain(A) ),
    inference(flip,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[14,7])]),
    [iquote('para_from,14.1.1,7.1.1,flip.2')] ).

cnf(43,plain,
    ( ~ there_exists(A)
    | there_exists(domain(A)) ),
    inference(para_from,[status(thm),theory(equality)],[14,6]),
    [iquote('para_from,14.1.1,6.1.1')] ).

cnf(45,plain,
    there_exists(domain(codomain(a))),
    inference(hyper,[status(thm)],[43,18]),
    [iquote('hyper,43,18')] ).

cnf(57,plain,
    ( ~ there_exists(A)
    | domain(codomain(A)) = codomain(A) ),
    inference(para_from,[status(thm),theory(equality)],[16,7]),
    [iquote('para_from,16.1.1,7.1.1')] ).

cnf(59,plain,
    there_exists(domain(domain(codomain(a)))),
    inference(hyper,[status(thm)],[45,43]),
    [iquote('hyper,45,43')] ).

cnf(77,plain,
    there_exists(domain(domain(domain(codomain(a))))),
    inference(hyper,[status(thm)],[59,43]),
    [iquote('hyper,59,43')] ).

cnf(211,plain,
    there_exists(domain(domain(domain(domain(codomain(a)))))),
    inference(hyper,[status(thm)],[77,43]),
    [iquote('hyper,77,43')] ).

cnf(900,plain,
    codomain(domain(domain(domain(domain(domain(codomain(a))))))) = domain(domain(domain(domain(domain(codomain(a)))))),
    inference(hyper,[status(thm)],[211,42]),
    [iquote('hyper,211,42')] ).

cnf(1157,plain,
    domain(codomain(a)) = codomain(a),
    inference(hyper,[status(thm)],[57,19]),
    [iquote('hyper,57,19')] ).

cnf(1167,plain,
    codomain(codomain(a)) = codomain(a),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[900]),1157,1157,1157,1157,1157,1157,1157,1157,1157,1157]),
    [iquote('back_demod,900,demod,1157,1157,1157,1157,1157,1157,1157,1157,1157,1157')] ).

cnf(1169,plain,
    $false,
    inference(binary,[status(thm)],[1167,9]),
    [iquote('binary,1167.1,9.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : CAT014-4 : TPTP v8.1.0. Released v1.0.0.
% 0.10/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n005.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 01:53:50 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.82/2.00  ----- Otter 3.3f, August 2004 -----
% 1.82/2.00  The process was started by sandbox on n005.cluster.edu,
% 1.82/2.00  Wed Jul 27 01:53:50 2022
% 1.82/2.00  The command was "./otter".  The process ID is 21488.
% 1.82/2.00  
% 1.82/2.00  set(prolog_style_variables).
% 1.82/2.00  set(auto).
% 1.82/2.00     dependent: set(auto1).
% 1.82/2.00     dependent: set(process_input).
% 1.82/2.00     dependent: clear(print_kept).
% 1.82/2.00     dependent: clear(print_new_demod).
% 1.82/2.00     dependent: clear(print_back_demod).
% 1.82/2.00     dependent: clear(print_back_sub).
% 1.82/2.00     dependent: set(control_memory).
% 1.82/2.00     dependent: assign(max_mem, 12000).
% 1.82/2.00     dependent: assign(pick_given_ratio, 4).
% 1.82/2.00     dependent: assign(stats_level, 1).
% 1.82/2.00     dependent: assign(max_seconds, 10800).
% 1.82/2.00  clear(print_given).
% 1.82/2.00  
% 1.82/2.00  list(usable).
% 1.82/2.00  0 [] A=A.
% 1.82/2.00  0 [] -e_quivalent(X,Y)|there_exists(X).
% 1.82/2.00  0 [] -e_quivalent(X,Y)|X=Y.
% 1.82/2.00  0 [] -there_exists(X)|X!=Y|e_quivalent(X,Y).
% 1.82/2.00  0 [] -there_exists(domain(X))|there_exists(X).
% 1.82/2.00  0 [] -there_exists(codomain(X))|there_exists(X).
% 1.82/2.00  0 [] -there_exists(compose(X,Y))|there_exists(domain(X)).
% 1.82/2.00  0 [] -there_exists(compose(X,Y))|domain(X)=codomain(Y).
% 1.82/2.00  0 [] -there_exists(domain(X))|domain(X)!=codomain(Y)|there_exists(compose(X,Y)).
% 1.82/2.00  0 [] compose(X,compose(Y,Z))=compose(compose(X,Y),Z).
% 1.82/2.00  0 [] compose(X,domain(X))=X.
% 1.82/2.00  0 [] compose(codomain(X),X)=X.
% 1.82/2.00  0 [] there_exists(codomain(a)).
% 1.82/2.00  0 [] codomain(codomain(a))!=codomain(a).
% 1.82/2.00  end_of_list.
% 1.82/2.00  
% 1.82/2.00  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3.
% 1.82/2.00  
% 1.82/2.00  This is a Horn set with equality.  The strategy will be
% 1.82/2.00  Knuth-Bendix and hyper_res, with positive clauses in
% 1.82/2.00  sos and nonpositive clauses in usable.
% 1.82/2.00  
% 1.82/2.00     dependent: set(knuth_bendix).
% 1.82/2.00     dependent: set(anl_eq).
% 1.82/2.00     dependent: set(para_from).
% 1.82/2.00     dependent: set(para_into).
% 1.82/2.00     dependent: clear(para_from_right).
% 1.82/2.00     dependent: clear(para_into_right).
% 1.82/2.00     dependent: set(para_from_vars).
% 1.82/2.00     dependent: set(eq_units_both_ways).
% 1.82/2.00     dependent: set(dynamic_demod_all).
% 1.82/2.00     dependent: set(dynamic_demod).
% 1.82/2.00     dependent: set(order_eq).
% 1.82/2.00     dependent: set(back_demod).
% 1.82/2.00     dependent: set(lrpo).
% 1.82/2.00     dependent: set(hyper_res).
% 1.82/2.00     dependent: clear(order_hyper).
% 1.82/2.00  
% 1.82/2.00  ------------> process usable:
% 1.82/2.00  ** KEPT (pick-wt=5): 1 [] -e_quivalent(A,B)|there_exists(A).
% 1.82/2.00  ** KEPT (pick-wt=6): 2 [] -e_quivalent(A,B)|A=B.
% 1.82/2.00  ** KEPT (pick-wt=8): 3 [] -there_exists(A)|A!=B|e_quivalent(A,B).
% 1.82/2.00  ** KEPT (pick-wt=5): 4 [] -there_exists(domain(A))|there_exists(A).
% 1.82/2.00  ** KEPT (pick-wt=5): 5 [] -there_exists(codomain(A))|there_exists(A).
% 1.82/2.00  ** KEPT (pick-wt=7): 6 [] -there_exists(compose(A,B))|there_exists(domain(A)).
% 1.82/2.00  ** KEPT (pick-wt=9): 7 [] -there_exists(compose(A,B))|domain(A)=codomain(B).
% 1.82/2.00  ** KEPT (pick-wt=12): 8 [] -there_exists(domain(A))|domain(A)!=codomain(B)|there_exists(compose(A,B)).
% 1.82/2.00  ** KEPT (pick-wt=6): 9 [] codomain(codomain(a))!=codomain(a).
% 1.82/2.00  
% 1.82/2.00  ------------> process sos:
% 1.82/2.00  ** KEPT (pick-wt=3): 10 [] A=A.
% 1.82/2.00  ** KEPT (pick-wt=11): 12 [copy,11,flip.1] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 1.82/2.00  ---> New Demodulator: 13 [new_demod,12] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 1.82/2.00  ** KEPT (pick-wt=6): 14 [] compose(A,domain(A))=A.
% 1.82/2.00  ---> New Demodulator: 15 [new_demod,14] compose(A,domain(A))=A.
% 1.82/2.00  ** KEPT (pick-wt=6): 16 [] compose(codomain(A),A)=A.
% 1.82/2.00  ---> New Demodulator: 17 [new_demod,16] compose(codomain(A),A)=A.
% 1.82/2.00  ** KEPT (pick-wt=3): 18 [] there_exists(codomain(a)).
% 1.82/2.00    Following clause subsumed by 10 during input processing: 0 [copy,10,flip.1] A=A.
% 1.82/2.00  >>>> Starting back demodulation with 13.
% 1.82/2.00  >>>> Starting back demodulation with 15.
% 1.82/2.00  >>>> Starting back demodulation with 17.
% 1.82/2.00  
% 1.82/2.00  ======= end of input processing =======
% 1.82/2.00  
% 1.82/2.00  =========== start of search ===========
% 1.82/2.00  
% 1.82/2.00  -------- PROOF -------- 
% 1.82/2.00  
% 1.82/2.00  ----> UNIT CONFLICT at   0.07 sec ----> 1169 [binary,1167.1,9.1] $F.
% 1.82/2.00  
% 1.82/2.00  Length of proof is 11.  Level of proof is 7.
% 1.82/2.00  
% 1.82/2.00  ---------------- PROOF ----------------
% 1.82/2.00  % SZS status Unsatisfiable
% 1.82/2.00  % SZS output start Refutation
% See solution above
% 1.82/2.00  ------------ end of proof -------------
% 1.82/2.00  
% 1.82/2.00  
% 1.82/2.00  Search stopped by max_proofs option.
% 1.82/2.00  
% 1.82/2.00  
% 1.82/2.00  Search stopped by max_proofs option.
% 1.82/2.00  
% 1.82/2.00  ============ end of search ============
% 1.82/2.00  
% 1.82/2.00  -------------- statistics -------------
% 1.82/2.00  clauses given                104
% 1.82/2.00  clauses generated           1598
% 1.82/2.00  clauses kept                1089
% 1.82/2.00  clauses forward subsumed     687
% 1.82/2.00  clauses back subsumed          4
% 1.82/2.00  Kbytes malloced             3906
% 1.82/2.00  
% 1.82/2.00  ----------- times (seconds) -----------
% 1.82/2.00  user CPU time          0.07          (0 hr, 0 min, 0 sec)
% 1.82/2.00  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.82/2.00  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.82/2.00  
% 1.82/2.00  That finishes the proof of the theorem.
% 1.82/2.00  
% 1.82/2.00  Process 21488 finished Wed Jul 27 01:53:52 2022
% 1.82/2.00  Otter interrupted
% 1.82/2.00  PROOF FOUND
%------------------------------------------------------------------------------