TSTP Solution File: CAT013-3 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : CAT013-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n025.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 12:47:48 EDT 2022

% Result   : Unsatisfiable 2.35s 2.53s
% Output   : Refutation 2.35s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    5
% Syntax   : Number of clauses     :    9 (   6 unt;   0 nHn;   8 RR)
%            Number of literals    :   12 (   5 equ;   4 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    3 (   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   :    5 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(5,axiom,
    ( ~ there_exists(codomain(A))
    | there_exists(A) ),
    file('CAT013-3.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ there_exists(compose(A,B))
    | domain(A) = codomain(B) ),
    file('CAT013-3.p',unknown),
    [] ).

cnf(13,axiom,
    domain(codomain(a)) != codomain(a),
    file('CAT013-3.p',unknown),
    [] ).

cnf(21,axiom,
    compose(codomain(A),A) = A,
    file('CAT013-3.p',unknown),
    [] ).

cnf(26,axiom,
    there_exists(codomain(a)),
    file('CAT013-3.p',unknown),
    [] ).

cnf(27,plain,
    there_exists(a),
    inference(hyper,[status(thm)],[26,5]),
    [iquote('hyper,26,5')] ).

cnf(84,plain,
    ( ~ there_exists(A)
    | domain(codomain(A)) = codomain(A) ),
    inference(para_from,[status(thm),theory(equality)],[21,7]),
    [iquote('para_from,21.1.1,7.1.1')] ).

cnf(2103,plain,
    domain(codomain(a)) = codomain(a),
    inference(hyper,[status(thm)],[84,27]),
    [iquote('hyper,84,27')] ).

cnf(2105,plain,
    $false,
    inference(binary,[status(thm)],[2103,13]),
    [iquote('binary,2103.1,13.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : CAT013-3 : TPTP v8.1.0. Released v1.0.0.
% 0.00/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n025.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 02:10:30 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.91/2.11  ----- Otter 3.3f, August 2004 -----
% 1.91/2.11  The process was started by sandbox2 on n025.cluster.edu,
% 1.91/2.11  Wed Jul 27 02:10:30 2022
% 1.91/2.11  The command was "./otter".  The process ID is 9433.
% 1.91/2.11  
% 1.91/2.11  set(prolog_style_variables).
% 1.91/2.11  set(auto).
% 1.91/2.11     dependent: set(auto1).
% 1.91/2.11     dependent: set(process_input).
% 1.91/2.11     dependent: clear(print_kept).
% 1.91/2.11     dependent: clear(print_new_demod).
% 1.91/2.11     dependent: clear(print_back_demod).
% 1.91/2.11     dependent: clear(print_back_sub).
% 1.91/2.11     dependent: set(control_memory).
% 1.91/2.11     dependent: assign(max_mem, 12000).
% 1.91/2.11     dependent: assign(pick_given_ratio, 4).
% 1.91/2.11     dependent: assign(stats_level, 1).
% 1.91/2.11     dependent: assign(max_seconds, 10800).
% 1.91/2.11  clear(print_given).
% 1.91/2.11  
% 1.91/2.11  list(usable).
% 1.91/2.11  0 [] A=A.
% 1.91/2.11  0 [] -e_quivalent(X,Y)|there_exists(X).
% 1.91/2.11  0 [] -e_quivalent(X,Y)|X=Y.
% 1.91/2.11  0 [] -there_exists(X)|X!=Y|e_quivalent(X,Y).
% 1.91/2.11  0 [] -there_exists(domain(X))|there_exists(X).
% 1.91/2.11  0 [] -there_exists(codomain(X))|there_exists(X).
% 1.91/2.11  0 [] -there_exists(compose(X,Y))|there_exists(domain(X)).
% 1.91/2.11  0 [] -there_exists(compose(X,Y))|domain(X)=codomain(Y).
% 1.91/2.11  0 [] -there_exists(domain(X))|domain(X)!=codomain(Y)|there_exists(compose(X,Y)).
% 1.91/2.11  0 [] compose(X,compose(Y,Z))=compose(compose(X,Y),Z).
% 1.91/2.11  0 [] compose(X,domain(X))=X.
% 1.91/2.11  0 [] compose(codomain(X),X)=X.
% 1.91/2.11  0 [] -e_quivalent(X,Y)|there_exists(Y).
% 1.91/2.11  0 [] -there_exists(X)| -there_exists(Y)|X!=Y|e_quivalent(X,Y).
% 1.91/2.11  0 [] -there_exists(compose(X,Y))|there_exists(codomain(X)).
% 1.91/2.11  0 [] there_exists(f1(X,Y))|X=Y.
% 1.91/2.11  0 [] X=f1(X,Y)|Y=f1(X,Y)|X=Y.
% 1.91/2.11  0 [] X!=f1(X,Y)|Y!=f1(X,Y)|X=Y.
% 1.91/2.11  0 [] there_exists(codomain(a)).
% 1.91/2.11  0 [] domain(codomain(a))!=codomain(a).
% 1.91/2.11  end_of_list.
% 1.91/2.11  
% 1.91/2.11  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.91/2.11  
% 1.91/2.11  This ia a non-Horn set with equality.  The strategy will be
% 1.91/2.11  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.91/2.11  deletion, with positive clauses in sos and nonpositive
% 1.91/2.11  clauses in usable.
% 1.91/2.11  
% 1.91/2.11     dependent: set(knuth_bendix).
% 1.91/2.11     dependent: set(anl_eq).
% 1.91/2.11     dependent: set(para_from).
% 1.91/2.11     dependent: set(para_into).
% 1.91/2.11     dependent: clear(para_from_right).
% 1.91/2.11     dependent: clear(para_into_right).
% 1.91/2.11     dependent: set(para_from_vars).
% 1.91/2.11     dependent: set(eq_units_both_ways).
% 1.91/2.11     dependent: set(dynamic_demod_all).
% 1.91/2.12     dependent: set(dynamic_demod).
% 1.91/2.12     dependent: set(order_eq).
% 1.91/2.12     dependent: set(back_demod).
% 1.91/2.12     dependent: set(lrpo).
% 1.91/2.12     dependent: set(hyper_res).
% 1.91/2.12     dependent: set(unit_deletion).
% 1.91/2.12     dependent: set(factor).
% 1.91/2.12  
% 1.91/2.12  ------------> process usable:
% 1.91/2.12  ** KEPT (pick-wt=5): 1 [] -e_quivalent(A,B)|there_exists(A).
% 1.91/2.12  ** KEPT (pick-wt=6): 2 [] -e_quivalent(A,B)|A=B.
% 1.91/2.12  ** KEPT (pick-wt=8): 3 [] -there_exists(A)|A!=B|e_quivalent(A,B).
% 1.91/2.12  ** KEPT (pick-wt=5): 4 [] -there_exists(domain(A))|there_exists(A).
% 1.91/2.12  ** KEPT (pick-wt=5): 5 [] -there_exists(codomain(A))|there_exists(A).
% 1.91/2.12  ** KEPT (pick-wt=7): 6 [] -there_exists(compose(A,B))|there_exists(domain(A)).
% 1.91/2.12  ** KEPT (pick-wt=9): 7 [] -there_exists(compose(A,B))|domain(A)=codomain(B).
% 1.91/2.12  ** KEPT (pick-wt=12): 8 [] -there_exists(domain(A))|domain(A)!=codomain(B)|there_exists(compose(A,B)).
% 1.91/2.12  ** KEPT (pick-wt=5): 9 [] -e_quivalent(A,B)|there_exists(B).
% 1.91/2.12    Following clause subsumed by 3 during input processing: 0 [] -there_exists(A)| -there_exists(B)|A!=B|e_quivalent(A,B).
% 1.91/2.12  ** KEPT (pick-wt=7): 10 [] -there_exists(compose(A,B))|there_exists(codomain(A)).
% 1.91/2.12  ** KEPT (pick-wt=13): 12 [copy,11,flip.1,flip.2] f1(A,B)!=A|f1(A,B)!=B|A=B.
% 1.91/2.12  ** KEPT (pick-wt=6): 13 [] domain(codomain(a))!=codomain(a).
% 1.91/2.12  
% 1.91/2.12  ------------> process sos:
% 1.91/2.12  ** KEPT (pick-wt=3): 15 [] A=A.
% 1.91/2.12  ** KEPT (pick-wt=11): 17 [copy,16,flip.1] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 1.91/2.12  ---> New Demodulator: 18 [new_demod,17] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 1.91/2.12  ** KEPT (pick-wt=6): 19 [] compose(A,domain(A))=A.
% 1.91/2.12  ---> New Demodulator: 20 [new_demod,19] compose(A,domain(A))=A.
% 1.91/2.12  ** KEPT (pick-wt=6): 21 [] compose(codomain(A),A)=A.
% 1.91/2.12  ---> New Demodulator: 22 [new_demod,21] compose(codomain(A),A)=A.
% 1.91/2.12  ** KEPT (pick-wt=7): 23 [] there_exists(f1(A,B))|A=B.
% 1.91/2.12  ** KEPT (pick-wt=13): 25 [copy,24,flip.1,flip.2] f1(A,B)=A|f1(A,B)=B|A=B.
% 1.91/2.12  ** KEPT (pick-wt=3): 26 [] there_exists(codomain(a)).
% 1.91/2.12    Following clause subsumed by 15 during input processing: 0 [copy,15,flip.1] A=A.
% 1.91/2.12  15 back subsumes 14.
% 1.91/2.12  >>>> Starting back demodulation with 18.
% 2.35/2.53  >>>> Starting back demodulation with 20.
% 2.35/2.53  >>>> Starting back demodulation with 22.
% 2.35/2.53  
% 2.35/2.53  ======= end of input processing =======
% 2.35/2.53  
% 2.35/2.53  =========== start of search ===========
% 2.35/2.53  
% 2.35/2.53  
% 2.35/2.53  Resetting weight limit to 8.
% 2.35/2.53  
% 2.35/2.53  
% 2.35/2.53  Resetting weight limit to 8.
% 2.35/2.53  
% 2.35/2.53  sos_size=1877
% 2.35/2.53  
% 2.35/2.53  -------- PROOF -------- 
% 2.35/2.53  
% 2.35/2.53  ----> UNIT CONFLICT at   0.41 sec ----> 2105 [binary,2103.1,13.1] $F.
% 2.35/2.53  
% 2.35/2.53  Length of proof is 3.  Level of proof is 2.
% 2.35/2.53  
% 2.35/2.53  ---------------- PROOF ----------------
% 2.35/2.53  % SZS status Unsatisfiable
% 2.35/2.53  % SZS output start Refutation
% See solution above
% 2.35/2.53  ------------ end of proof -------------
% 2.35/2.53  
% 2.35/2.53  
% 2.35/2.53  Search stopped by max_proofs option.
% 2.35/2.53  
% 2.35/2.53  
% 2.35/2.53  Search stopped by max_proofs option.
% 2.35/2.53  
% 2.35/2.53  ============ end of search ============
% 2.35/2.53  
% 2.35/2.53  -------------- statistics -------------
% 2.35/2.53  clauses given                163
% 2.35/2.53  clauses generated           8642
% 2.35/2.53  clauses kept                2085
% 2.35/2.53  clauses forward subsumed    1812
% 2.35/2.53  clauses back subsumed          3
% 2.35/2.53  Kbytes malloced             4882
% 2.35/2.53  
% 2.35/2.53  ----------- times (seconds) -----------
% 2.35/2.53  user CPU time          0.41          (0 hr, 0 min, 0 sec)
% 2.35/2.53  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.35/2.53  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.35/2.53  
% 2.35/2.53  That finishes the proof of the theorem.
% 2.35/2.53  
% 2.35/2.53  Process 9433 finished Wed Jul 27 02:10:32 2022
% 2.35/2.53  Otter interrupted
% 2.35/2.53  PROOF FOUND
%------------------------------------------------------------------------------