TSTP Solution File: CAT006-3 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : CAT006-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n019.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 12:47:46 EDT 2022

% Result   : Unsatisfiable 1.65s 1.81s
% Output   : Refutation 1.65s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   16 (  11 unt;   0 nHn;  15 RR)
%            Number of literals    :   21 (   6 equ;   8 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :    9 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(5,axiom,
    ( ~ there_exists(codomain(A))
    | there_exists(A) ),
    file('CAT006-3.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ there_exists(compose(A,B))
    | there_exists(domain(A)) ),
    file('CAT006-3.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ there_exists(compose(A,B))
    | domain(A) = codomain(B) ),
    file('CAT006-3.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ there_exists(compose(A,B))
    | there_exists(codomain(A)) ),
    file('CAT006-3.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ there_exists(compose(d,A))
    | compose(d,A) = A ),
    file('CAT006-3.p',unknown),
    [] ).

cnf(15,axiom,
    codomain(a) != d,
    file('CAT006-3.p',unknown),
    [] ).

cnf(21,axiom,
    compose(A,domain(A)) = A,
    file('CAT006-3.p',unknown),
    [] ).

cnf(28,axiom,
    there_exists(compose(d,a)),
    file('CAT006-3.p',unknown),
    [] ).

cnf(31,plain,
    there_exists(codomain(d)),
    inference(hyper,[status(thm)],[28,10]),
    [iquote('hyper,28,10')] ).

cnf(33,plain,
    domain(d) = codomain(a),
    inference(hyper,[status(thm)],[28,7]),
    [iquote('hyper,28,7')] ).

cnf(34,plain,
    there_exists(codomain(a)),
    inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[28,6]),33]),
    [iquote('hyper,28,6,demod,33')] ).

cnf(38,plain,
    there_exists(d),
    inference(hyper,[status(thm)],[31,5]),
    [iquote('hyper,31,5')] ).

cnf(79,plain,
    ~ there_exists(compose(d,codomain(a))),
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[21,14]),33,33]),15]),
    [iquote('para_into,21.1.1,14.2.1,demod,33,33,unit_del,15')] ).

cnf(83,plain,
    compose(d,codomain(a)) = codomain(a),
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[21,14]),33,33]),38]),
    [iquote('para_from,21.1.1,14.1.1,demod,33,33,unit_del,38')] ).

cnf(89,plain,
    ~ there_exists(codomain(a)),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[79]),83]),
    [iquote('back_demod,79,demod,83')] ).

cnf(90,plain,
    $false,
    inference(binary,[status(thm)],[89,34]),
    [iquote('binary,89.1,34.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : CAT006-3 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.12  % Command  : otter-tptp-script %s
% 0.13/0.33  % Computer : n019.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 01:57:07 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.65/1.81  ----- Otter 3.3f, August 2004 -----
% 1.65/1.81  The process was started by sandbox2 on n019.cluster.edu,
% 1.65/1.81  Wed Jul 27 01:57:07 2022
% 1.65/1.81  The command was "./otter".  The process ID is 28798.
% 1.65/1.81  
% 1.65/1.81  set(prolog_style_variables).
% 1.65/1.81  set(auto).
% 1.65/1.81     dependent: set(auto1).
% 1.65/1.81     dependent: set(process_input).
% 1.65/1.81     dependent: clear(print_kept).
% 1.65/1.81     dependent: clear(print_new_demod).
% 1.65/1.81     dependent: clear(print_back_demod).
% 1.65/1.81     dependent: clear(print_back_sub).
% 1.65/1.81     dependent: set(control_memory).
% 1.65/1.81     dependent: assign(max_mem, 12000).
% 1.65/1.81     dependent: assign(pick_given_ratio, 4).
% 1.65/1.81     dependent: assign(stats_level, 1).
% 1.65/1.81     dependent: assign(max_seconds, 10800).
% 1.65/1.81  clear(print_given).
% 1.65/1.81  
% 1.65/1.81  list(usable).
% 1.65/1.81  0 [] A=A.
% 1.65/1.81  0 [] -e_quivalent(X,Y)|there_exists(X).
% 1.65/1.81  0 [] -e_quivalent(X,Y)|X=Y.
% 1.65/1.81  0 [] -there_exists(X)|X!=Y|e_quivalent(X,Y).
% 1.65/1.81  0 [] -there_exists(domain(X))|there_exists(X).
% 1.65/1.81  0 [] -there_exists(codomain(X))|there_exists(X).
% 1.65/1.81  0 [] -there_exists(compose(X,Y))|there_exists(domain(X)).
% 1.65/1.81  0 [] -there_exists(compose(X,Y))|domain(X)=codomain(Y).
% 1.65/1.81  0 [] -there_exists(domain(X))|domain(X)!=codomain(Y)|there_exists(compose(X,Y)).
% 1.65/1.81  0 [] compose(X,compose(Y,Z))=compose(compose(X,Y),Z).
% 1.65/1.81  0 [] compose(X,domain(X))=X.
% 1.65/1.81  0 [] compose(codomain(X),X)=X.
% 1.65/1.81  0 [] -e_quivalent(X,Y)|there_exists(Y).
% 1.65/1.81  0 [] -there_exists(X)| -there_exists(Y)|X!=Y|e_quivalent(X,Y).
% 1.65/1.81  0 [] -there_exists(compose(X,Y))|there_exists(codomain(X)).
% 1.65/1.81  0 [] there_exists(f1(X,Y))|X=Y.
% 1.65/1.81  0 [] X=f1(X,Y)|Y=f1(X,Y)|X=Y.
% 1.65/1.81  0 [] X!=f1(X,Y)|Y!=f1(X,Y)|X=Y.
% 1.65/1.81  0 [] there_exists(compose(d,a)).
% 1.65/1.81  0 [] -there_exists(compose(X,d))|compose(X,d)=X.
% 1.65/1.81  0 [] -there_exists(compose(d,X))|compose(d,X)=X.
% 1.65/1.81  0 [] codomain(a)!=d.
% 1.65/1.81  end_of_list.
% 1.65/1.81  
% 1.65/1.81  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.65/1.81  
% 1.65/1.81  This ia a non-Horn set with equality.  The strategy will be
% 1.65/1.81  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.65/1.81  deletion, with positive clauses in sos and nonpositive
% 1.65/1.81  clauses in usable.
% 1.65/1.81  
% 1.65/1.81     dependent: set(knuth_bendix).
% 1.65/1.81     dependent: set(anl_eq).
% 1.65/1.81     dependent: set(para_from).
% 1.65/1.81     dependent: set(para_into).
% 1.65/1.81     dependent: clear(para_from_right).
% 1.65/1.81     dependent: clear(para_into_right).
% 1.65/1.81     dependent: set(para_from_vars).
% 1.65/1.81     dependent: set(eq_units_both_ways).
% 1.65/1.81     dependent: set(dynamic_demod_all).
% 1.65/1.81     dependent: set(dynamic_demod).
% 1.65/1.81     dependent: set(order_eq).
% 1.65/1.81     dependent: set(back_demod).
% 1.65/1.81     dependent: set(lrpo).
% 1.65/1.81     dependent: set(hyper_res).
% 1.65/1.81     dependent: set(unit_deletion).
% 1.65/1.81     dependent: set(factor).
% 1.65/1.81  
% 1.65/1.81  ------------> process usable:
% 1.65/1.81  ** KEPT (pick-wt=5): 1 [] -e_quivalent(A,B)|there_exists(A).
% 1.65/1.81  ** KEPT (pick-wt=6): 2 [] -e_quivalent(A,B)|A=B.
% 1.65/1.81  ** KEPT (pick-wt=8): 3 [] -there_exists(A)|A!=B|e_quivalent(A,B).
% 1.65/1.81  ** KEPT (pick-wt=5): 4 [] -there_exists(domain(A))|there_exists(A).
% 1.65/1.81  ** KEPT (pick-wt=5): 5 [] -there_exists(codomain(A))|there_exists(A).
% 1.65/1.81  ** KEPT (pick-wt=7): 6 [] -there_exists(compose(A,B))|there_exists(domain(A)).
% 1.65/1.81  ** KEPT (pick-wt=9): 7 [] -there_exists(compose(A,B))|domain(A)=codomain(B).
% 1.65/1.81  ** KEPT (pick-wt=12): 8 [] -there_exists(domain(A))|domain(A)!=codomain(B)|there_exists(compose(A,B)).
% 1.65/1.81  ** KEPT (pick-wt=5): 9 [] -e_quivalent(A,B)|there_exists(B).
% 1.65/1.81    Following clause subsumed by 3 during input processing: 0 [] -there_exists(A)| -there_exists(B)|A!=B|e_quivalent(A,B).
% 1.65/1.81  ** KEPT (pick-wt=7): 10 [] -there_exists(compose(A,B))|there_exists(codomain(A)).
% 1.65/1.81  ** KEPT (pick-wt=13): 12 [copy,11,flip.1,flip.2] f1(A,B)!=A|f1(A,B)!=B|A=B.
% 1.65/1.81  ** KEPT (pick-wt=9): 13 [] -there_exists(compose(A,d))|compose(A,d)=A.
% 1.65/1.81  ** KEPT (pick-wt=9): 14 [] -there_exists(compose(d,A))|compose(d,A)=A.
% 1.65/1.81  ** KEPT (pick-wt=4): 15 [] codomain(a)!=d.
% 1.65/1.81  
% 1.65/1.81  ------------> process sos:
% 1.65/1.81  ** KEPT (pick-wt=3): 17 [] A=A.
% 1.65/1.81  ** KEPT (pick-wt=11): 19 [copy,18,flip.1] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 1.65/1.81  ---> New Demodulator: 20 [new_demod,19] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 1.65/1.81  ** KEPT (pick-wt=6): 21 [] compose(A,domain(A))=A.
% 1.65/1.81  ---> New Demodulator: 22 [new_demod,21] compose(A,domain(A))=A.
% 1.65/1.81  ** KEPT (pick-wt=6): 23 [] compose(codomain(A),A)=A.
% 1.65/1.81  ---> New Demodulator: 24 [new_demod,23] compose(codomain(A),A)=A.
% 1.65/1.81  ** KEPT (pick-wt=7): 25 [] there_exists(f1(A,B))|A=B.
% 1.65/1.81  ** KEPT (pick-wt=13): 27 [copy,26,flip.1,flip.2] f1(A,B)=A|f1(A,B)=B|A=B.
% 1.65/1.81  ** KEPT (pick-wt=4): 28 [] there_exists(compose(d,a)).
% 1.65/1.81    Following clause subsumed by 17 during input processing: 0 [copy,17,flip.1] A=A.
% 1.65/1.81  17 back subsumes 16.
% 1.65/1.81  >>>> Starting back demodulation with 20.
% 1.65/1.81  >>>> Starting back demodulation with 22.
% 1.65/1.81  >>>> Starting back demodulation with 24.
% 1.65/1.81  
% 1.65/1.81  ======= end of input processing =======
% 1.65/1.81  
% 1.65/1.81  =========== start of search ===========
% 1.65/1.81  
% 1.65/1.81  -------- PROOF -------- 
% 1.65/1.81  
% 1.65/1.81  ----> UNIT CONFLICT at   0.00 sec ----> 90 [binary,89.1,34.1] $F.
% 1.65/1.81  
% 1.65/1.81  Length of proof is 7.  Level of proof is 4.
% 1.65/1.81  
% 1.65/1.81  ---------------- PROOF ----------------
% 1.65/1.81  % SZS status Unsatisfiable
% 1.65/1.81  % SZS output start Refutation
% See solution above
% 1.65/1.81  ------------ end of proof -------------
% 1.65/1.81  
% 1.65/1.81  
% 1.65/1.81  Search stopped by max_proofs option.
% 1.65/1.81  
% 1.65/1.81  
% 1.65/1.81  Search stopped by max_proofs option.
% 1.65/1.81  
% 1.65/1.81  ============ end of search ============
% 1.65/1.81  
% 1.65/1.81  -------------- statistics -------------
% 1.65/1.81  clauses given                 11
% 1.65/1.81  clauses generated            106
% 1.65/1.81  clauses kept                  77
% 1.65/1.81  clauses forward subsumed      52
% 1.65/1.81  clauses back subsumed          5
% 1.65/1.81  Kbytes malloced              976
% 1.65/1.81  
% 1.65/1.81  ----------- times (seconds) -----------
% 1.65/1.81  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.65/1.81  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.65/1.81  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.65/1.81  
% 1.65/1.81  That finishes the proof of the theorem.
% 1.65/1.81  
% 1.65/1.81  Process 28798 finished Wed Jul 27 01:57:08 2022
% 1.65/1.81  Otter interrupted
% 1.65/1.81  PROOF FOUND
%------------------------------------------------------------------------------