TSTP Solution File: CAT014-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : CAT014-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n014.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 1.76s 2.00s
% Output   : Refutation 1.76s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    6
% Syntax   : Number of clauses     :    9 (   7 unt;   0 nHn;   4 RR)
%            Number of literals    :   13 (   3 equ;   5 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    2 (   2 usr;   1 con; 0-1 aty)
%            Number of variables   :   11 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(11,axiom,
    ( ~ defined(A,B)
    | ~ identity_map(B)
    | product(A,B,A) ),
    file('CAT014-1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ product(A,B,C)
    | ~ product(A,B,D)
    | C = D ),
    file('CAT014-1.p',unknown),
    [] ).

cnf(13,axiom,
    codomain(codomain(a)) != codomain(a),
    file('CAT014-1.p',unknown),
    [] ).

cnf(16,axiom,
    identity_map(codomain(A)),
    file('CAT014-1.p',unknown),
    [] ).

cnf(18,axiom,
    defined(codomain(A),A),
    file('CAT014-1.p',unknown),
    [] ).

cnf(20,axiom,
    product(codomain(A),A,A),
    file('CAT014-1.p',unknown),
    [] ).

cnf(28,plain,
    product(codomain(codomain(A)),codomain(A),codomain(codomain(A))),
    inference(hyper,[status(thm)],[18,11,16]),
    [iquote('hyper,18,11,16')] ).

cnf(291,plain,
    codomain(codomain(A)) = codomain(A),
    inference(flip,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[28,12,20])]),
    [iquote('hyper,28,12,20,flip.1')] ).

cnf(293,plain,
    $false,
    inference(binary,[status(thm)],[291,13]),
    [iquote('binary,291.1,13.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : CAT014-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : otter-tptp-script %s
% 0.13/0.33  % Computer : n014.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 01:55:54 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 1.76/2.00  ----- Otter 3.3f, August 2004 -----
% 1.76/2.00  The process was started by sandbox2 on n014.cluster.edu,
% 1.76/2.00  Wed Jul 27 01:55:54 2022
% 1.76/2.00  The command was "./otter".  The process ID is 2185.
% 1.76/2.00  
% 1.76/2.00  set(prolog_style_variables).
% 1.76/2.00  set(auto).
% 1.76/2.00     dependent: set(auto1).
% 1.76/2.00     dependent: set(process_input).
% 1.76/2.00     dependent: clear(print_kept).
% 1.76/2.00     dependent: clear(print_new_demod).
% 1.76/2.00     dependent: clear(print_back_demod).
% 1.76/2.00     dependent: clear(print_back_sub).
% 1.76/2.00     dependent: set(control_memory).
% 1.76/2.00     dependent: assign(max_mem, 12000).
% 1.76/2.00     dependent: assign(pick_given_ratio, 4).
% 1.76/2.00     dependent: assign(stats_level, 1).
% 1.76/2.00     dependent: assign(max_seconds, 10800).
% 1.76/2.00  clear(print_given).
% 1.76/2.00  
% 1.76/2.00  list(usable).
% 1.76/2.00  0 [] A=A.
% 1.76/2.00  0 [] -defined(X,Y)|product(X,Y,compose(X,Y)).
% 1.76/2.00  0 [] -product(X,Y,Z)|defined(X,Y).
% 1.76/2.00  0 [] -product(X,Y,Xy)| -defined(Xy,Z)|defined(Y,Z).
% 1.76/2.00  0 [] -product(X,Y,Xy)| -product(Y,Z,Yz)| -defined(Xy,Z)|defined(X,Yz).
% 1.76/2.00  0 [] -product(X,Y,Xy)| -product(Xy,Z,Xyz)| -product(Y,Z,Yz)|product(X,Yz,Xyz).
% 1.76/2.00  0 [] -product(Y,Z,Yz)| -defined(X,Yz)|defined(X,Y).
% 1.76/2.00  0 [] -product(Y,Z,Yz)| -product(X,Y,Xy)| -defined(X,Yz)|defined(Xy,Z).
% 1.76/2.00  0 [] -product(Y,Z,Yz)| -product(X,Yz,Xyz)| -product(X,Y,Xy)|product(Xy,Z,Xyz).
% 1.76/2.00  0 [] -defined(X,Y)| -defined(Y,Z)| -identity_map(Y)|defined(X,Z).
% 1.76/2.00  0 [] identity_map(domain(X)).
% 1.76/2.00  0 [] identity_map(codomain(X)).
% 1.76/2.00  0 [] defined(X,domain(X)).
% 1.76/2.00  0 [] defined(codomain(X),X).
% 1.76/2.00  0 [] product(X,domain(X),X).
% 1.76/2.00  0 [] product(codomain(X),X,X).
% 1.76/2.00  0 [] -defined(X,Y)| -identity_map(X)|product(X,Y,Y).
% 1.76/2.00  0 [] -defined(X,Y)| -identity_map(Y)|product(X,Y,X).
% 1.76/2.00  0 [] -product(X,Y,Z)| -product(X,Y,W)|Z=W.
% 1.76/2.00  0 [] codomain(codomain(a))!=codomain(a).
% 1.76/2.00  end_of_list.
% 1.76/2.00  
% 1.76/2.00  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=4.
% 1.76/2.00  
% 1.76/2.00  This is a Horn set with equality.  The strategy will be
% 1.76/2.00  Knuth-Bendix and hyper_res, with positive clauses in
% 1.76/2.00  sos and nonpositive clauses in usable.
% 1.76/2.00  
% 1.76/2.00     dependent: set(knuth_bendix).
% 1.76/2.00     dependent: set(anl_eq).
% 1.76/2.00     dependent: set(para_from).
% 1.76/2.00     dependent: set(para_into).
% 1.76/2.00     dependent: clear(para_from_right).
% 1.76/2.00     dependent: clear(para_into_right).
% 1.76/2.00     dependent: set(para_from_vars).
% 1.76/2.00     dependent: set(eq_units_both_ways).
% 1.76/2.00     dependent: set(dynamic_demod_all).
% 1.76/2.00     dependent: set(dynamic_demod).
% 1.76/2.00     dependent: set(order_eq).
% 1.76/2.00     dependent: set(back_demod).
% 1.76/2.00     dependent: set(lrpo).
% 1.76/2.00     dependent: set(hyper_res).
% 1.76/2.00     dependent: clear(order_hyper).
% 1.76/2.00  
% 1.76/2.00  ------------> process usable:
% 1.76/2.00  ** KEPT (pick-wt=9): 1 [] -defined(A,B)|product(A,B,compose(A,B)).
% 1.76/2.00  ** KEPT (pick-wt=7): 2 [] -product(A,B,C)|defined(A,B).
% 1.76/2.00  ** KEPT (pick-wt=10): 3 [] -product(A,B,C)| -defined(C,D)|defined(B,D).
% 1.76/2.00  ** KEPT (pick-wt=14): 4 [] -product(A,B,C)| -product(B,D,E)| -defined(C,D)|defined(A,E).
% 1.76/2.00  ** KEPT (pick-wt=16): 5 [] -product(A,B,C)| -product(C,D,E)| -product(B,D,F)|product(A,F,E).
% 1.76/2.00  ** KEPT (pick-wt=10): 6 [] -product(A,B,C)| -defined(D,C)|defined(D,A).
% 1.76/2.00  ** KEPT (pick-wt=14): 7 [] -product(A,B,C)| -product(D,A,E)| -defined(D,C)|defined(E,B).
% 1.76/2.00  ** KEPT (pick-wt=16): 8 [] -product(A,B,C)| -product(D,C,E)| -product(D,A,F)|product(F,B,E).
% 1.76/2.00  ** KEPT (pick-wt=11): 9 [] -defined(A,B)| -defined(B,C)| -identity_map(B)|defined(A,C).
% 1.76/2.00  ** KEPT (pick-wt=9): 10 [] -defined(A,B)| -identity_map(A)|product(A,B,B).
% 1.76/2.00  ** KEPT (pick-wt=9): 11 [] -defined(A,B)| -identity_map(B)|product(A,B,A).
% 1.76/2.00  ** KEPT (pick-wt=11): 12 [] -product(A,B,C)| -product(A,B,D)|C=D.
% 1.76/2.00  ** KEPT (pick-wt=6): 13 [] codomain(codomain(a))!=codomain(a).
% 1.76/2.00  
% 1.76/2.00  ------------> process sos:
% 1.76/2.00  ** KEPT (pick-wt=3): 14 [] A=A.
% 1.76/2.00  ** KEPT (pick-wt=3): 15 [] identity_map(domain(A)).
% 1.76/2.00  ** KEPT (pick-wt=3): 16 [] identity_map(codomain(A)).
% 1.76/2.00  ** KEPT (pick-wt=4): 17 [] defined(A,domain(A)).
% 1.76/2.00  ** KEPT (pick-wt=4): 18 [] defined(codomain(A),A).
% 1.76/2.00  ** KEPT (pick-wt=5): 19 [] product(A,domain(A),A).
% 1.76/2.00  ** KEPT (pick-wt=5): 20 [] product(codomain(A),A,A).
% 1.76/2.00    Following clause subsumed by 14 during input processing: 0 [copy,14,flip.1] A=A.
% 1.76/2.00  
% 1.76/2.00  ======= end of input processing =======
% 1.76/2.00  
% 1.76/2.00  =========== start of search ===========
% 1.76/2.00  
% 1.76/2.00  -------- PROOF -------- 
% 1.76/2.00  
% 1.76/2.00  ----> UNIT CONFLICT at   0.01 sec ----> 293 [binary,291.1,13.1] $F.
% 1.76/2.00  
% 1.76/2.00  Length of proof is 2.  Level of proof is 2.
% 1.76/2.00  
% 1.76/2.00  ---------------- PROOF ----------------
% 1.76/2.00  % SZS status Unsatisfiable
% 1.76/2.00  % SZS output start Refutation
% See solution above
% 1.76/2.00  ------------ end of proof -------------
% 1.76/2.00  
% 1.76/2.00  
% 1.76/2.00  Search stopped by max_proofs option.
% 1.76/2.00  
% 1.76/2.00  
% 1.76/2.00  Search stopped by max_proofs option.
% 1.76/2.00  
% 1.76/2.00  ============ end of search ============
% 1.76/2.00  
% 1.76/2.00  -------------- statistics -------------
% 1.76/2.00  clauses given                 41
% 1.76/2.00  clauses generated           1195
% 1.76/2.00  clauses kept                 286
% 1.76/2.00  clauses forward subsumed    1056
% 1.76/2.00  clauses back subsumed          3
% 1.76/2.00  Kbytes malloced             1953
% 1.76/2.00  
% 1.76/2.00  ----------- times (seconds) -----------
% 1.76/2.00  user CPU time          0.01          (0 hr, 0 min, 0 sec)
% 1.76/2.00  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.76/2.00  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.76/2.00  
% 1.76/2.00  That finishes the proof of the theorem.
% 1.76/2.00  
% 1.76/2.00  Process 2185 finished Wed Jul 27 01:55:56 2022
% 1.76/2.00  Otter interrupted
% 1.76/2.00  PROOF FOUND
%------------------------------------------------------------------------------