TSTP Solution File: CAT002-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : CAT002-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n003.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 12:47:44 EDT 2022

% Result   : Unsatisfiable 2.00s 2.16s
% Output   : Refutation 2.00s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   22 (  16 unt;   0 nHn;  22 RR)
%            Number of literals    :   33 (   5 equ;  12 neg)
%            Maximal clause size   :    4 (   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   :   21 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ defined(A,B)
    | product(A,B,compose(A,B)) ),
    file('CAT002-1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ product(A,B,C)
    | defined(A,B) ),
    file('CAT002-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ product(A,B,C)
    | ~ defined(C,D)
    | defined(B,D) ),
    file('CAT002-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ product(A,B,C)
    | ~ product(C,D,E)
    | ~ product(B,D,F)
    | product(A,F,E) ),
    file('CAT002-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ product(a,A,B)
    | ~ product(a,C,B)
    | A = C ),
    file('CAT002-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ product(b,A,B)
    | ~ product(b,C,B)
    | A = C ),
    file('CAT002-1.p',unknown),
    [] ).

cnf(15,axiom,
    h != g,
    file('CAT002-1.p',unknown),
    [] ).

cnf(23,axiom,
    product(a,b,c),
    file('CAT002-1.p',unknown),
    [] ).

cnf(24,axiom,
    product(c,h,d),
    file('CAT002-1.p',unknown),
    [] ).

cnf(25,axiom,
    product(c,g,d),
    file('CAT002-1.p',unknown),
    [] ).

cnf(78,plain,
    defined(c,h),
    inference(hyper,[status(thm)],[24,2]),
    [iquote('hyper,24,2')] ).

cnf(89,plain,
    defined(b,h),
    inference(hyper,[status(thm)],[78,3,23]),
    [iquote('hyper,78,3,23')] ).

cnf(112,plain,
    product(b,h,compose(b,h)),
    inference(hyper,[status(thm)],[89,1]),
    [iquote('hyper,89,1')] ).

cnf(120,plain,
    defined(c,g),
    inference(hyper,[status(thm)],[25,2]),
    [iquote('hyper,25,2')] ).

cnf(132,plain,
    defined(b,g),
    inference(hyper,[status(thm)],[120,3,23]),
    [iquote('hyper,120,3,23')] ).

cnf(143,plain,
    product(b,g,compose(b,g)),
    inference(hyper,[status(thm)],[132,1]),
    [iquote('hyper,132,1')] ).

cnf(1325,plain,
    product(a,compose(b,h),d),
    inference(hyper,[status(thm)],[112,5,23,24]),
    [iquote('hyper,112,5,23,24')] ).

cnf(1376,plain,
    product(a,compose(b,g),d),
    inference(hyper,[status(thm)],[143,5,23,25]),
    [iquote('hyper,143,5,23,25')] ).

cnf(1711,plain,
    compose(b,h) = compose(b,g),
    inference(hyper,[status(thm)],[1376,13,1325]),
    [iquote('hyper,1376,13,1325')] ).

cnf(1768,plain,
    product(b,h,compose(b,g)),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[112]),1711]),
    [iquote('back_demod,112,demod,1711')] ).

cnf(1886,plain,
    h = g,
    inference(flip,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[1768,14,143])]),
    [iquote('hyper,1768,14,143,flip.1')] ).

cnf(1888,plain,
    $false,
    inference(binary,[status(thm)],[1886,15]),
    [iquote('binary,1886.1,15.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : CAT002-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n003.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 01:54:41 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.73/1.93  ----- Otter 3.3f, August 2004 -----
% 1.73/1.93  The process was started by sandbox on n003.cluster.edu,
% 1.73/1.93  Wed Jul 27 01:54:41 2022
% 1.73/1.93  The command was "./otter".  The process ID is 19257.
% 1.73/1.93  
% 1.73/1.93  set(prolog_style_variables).
% 1.73/1.93  set(auto).
% 1.73/1.93     dependent: set(auto1).
% 1.73/1.93     dependent: set(process_input).
% 1.73/1.93     dependent: clear(print_kept).
% 1.73/1.93     dependent: clear(print_new_demod).
% 1.73/1.93     dependent: clear(print_back_demod).
% 1.73/1.93     dependent: clear(print_back_sub).
% 1.73/1.93     dependent: set(control_memory).
% 1.73/1.93     dependent: assign(max_mem, 12000).
% 1.73/1.93     dependent: assign(pick_given_ratio, 4).
% 1.73/1.93     dependent: assign(stats_level, 1).
% 1.73/1.93     dependent: assign(max_seconds, 10800).
% 1.73/1.93  clear(print_given).
% 1.73/1.93  
% 1.73/1.93  list(usable).
% 1.73/1.93  0 [] A=A.
% 1.73/1.93  0 [] -defined(X,Y)|product(X,Y,compose(X,Y)).
% 1.73/1.93  0 [] -product(X,Y,Z)|defined(X,Y).
% 1.73/1.93  0 [] -product(X,Y,Xy)| -defined(Xy,Z)|defined(Y,Z).
% 1.73/1.93  0 [] -product(X,Y,Xy)| -product(Y,Z,Yz)| -defined(Xy,Z)|defined(X,Yz).
% 1.73/1.93  0 [] -product(X,Y,Xy)| -product(Xy,Z,Xyz)| -product(Y,Z,Yz)|product(X,Yz,Xyz).
% 1.73/1.93  0 [] -product(Y,Z,Yz)| -defined(X,Yz)|defined(X,Y).
% 1.73/1.93  0 [] -product(Y,Z,Yz)| -product(X,Y,Xy)| -defined(X,Yz)|defined(Xy,Z).
% 1.73/1.93  0 [] -product(Y,Z,Yz)| -product(X,Yz,Xyz)| -product(X,Y,Xy)|product(Xy,Z,Xyz).
% 1.73/1.93  0 [] -defined(X,Y)| -defined(Y,Z)| -identity_map(Y)|defined(X,Z).
% 1.73/1.93  0 [] identity_map(domain(X)).
% 1.73/1.93  0 [] identity_map(codomain(X)).
% 1.73/1.93  0 [] defined(X,domain(X)).
% 1.73/1.93  0 [] defined(codomain(X),X).
% 1.73/1.93  0 [] product(X,domain(X),X).
% 1.73/1.93  0 [] product(codomain(X),X,X).
% 1.73/1.93  0 [] -defined(X,Y)| -identity_map(X)|product(X,Y,Y).
% 1.73/1.93  0 [] -defined(X,Y)| -identity_map(Y)|product(X,Y,X).
% 1.73/1.93  0 [] -product(X,Y,Z)| -product(X,Y,W)|Z=W.
% 1.73/1.93  0 [] -product(a,X,W)| -product(a,Y,W)|X=Y.
% 1.73/1.93  0 [] -product(b,X,W)| -product(b,Y,W)|X=Y.
% 1.73/1.93  0 [] product(a,b,c).
% 1.73/1.93  0 [] product(c,h,d).
% 1.73/1.93  0 [] product(c,g,d).
% 1.73/1.93  0 [] h!=g.
% 1.73/1.93  end_of_list.
% 1.73/1.93  
% 1.73/1.93  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=4.
% 1.73/1.93  
% 1.73/1.93  This is a Horn set with equality.  The strategy will be
% 1.73/1.93  Knuth-Bendix and hyper_res, with positive clauses in
% 1.73/1.93  sos and nonpositive clauses in usable.
% 1.73/1.93  
% 1.73/1.93     dependent: set(knuth_bendix).
% 1.73/1.93     dependent: set(anl_eq).
% 1.73/1.93     dependent: set(para_from).
% 1.73/1.93     dependent: set(para_into).
% 1.73/1.93     dependent: clear(para_from_right).
% 1.73/1.93     dependent: clear(para_into_right).
% 1.73/1.93     dependent: set(para_from_vars).
% 1.73/1.93     dependent: set(eq_units_both_ways).
% 1.73/1.93     dependent: set(dynamic_demod_all).
% 1.73/1.93     dependent: set(dynamic_demod).
% 1.73/1.93     dependent: set(order_eq).
% 1.73/1.93     dependent: set(back_demod).
% 1.73/1.93     dependent: set(lrpo).
% 1.73/1.93     dependent: set(hyper_res).
% 1.73/1.93     dependent: clear(order_hyper).
% 1.73/1.93  
% 1.73/1.93  ------------> process usable:
% 1.73/1.93  ** KEPT (pick-wt=9): 1 [] -defined(A,B)|product(A,B,compose(A,B)).
% 1.73/1.93  ** KEPT (pick-wt=7): 2 [] -product(A,B,C)|defined(A,B).
% 1.73/1.93  ** KEPT (pick-wt=10): 3 [] -product(A,B,C)| -defined(C,D)|defined(B,D).
% 1.73/1.93  ** KEPT (pick-wt=14): 4 [] -product(A,B,C)| -product(B,D,E)| -defined(C,D)|defined(A,E).
% 1.73/1.93  ** KEPT (pick-wt=16): 5 [] -product(A,B,C)| -product(C,D,E)| -product(B,D,F)|product(A,F,E).
% 1.73/1.93  ** KEPT (pick-wt=10): 6 [] -product(A,B,C)| -defined(D,C)|defined(D,A).
% 1.73/1.93  ** KEPT (pick-wt=14): 7 [] -product(A,B,C)| -product(D,A,E)| -defined(D,C)|defined(E,B).
% 1.73/1.93  ** KEPT (pick-wt=16): 8 [] -product(A,B,C)| -product(D,C,E)| -product(D,A,F)|product(F,B,E).
% 1.73/1.93  ** KEPT (pick-wt=11): 9 [] -defined(A,B)| -defined(B,C)| -identity_map(B)|defined(A,C).
% 1.73/1.93  ** KEPT (pick-wt=9): 10 [] -defined(A,B)| -identity_map(A)|product(A,B,B).
% 1.73/1.93  ** KEPT (pick-wt=9): 11 [] -defined(A,B)| -identity_map(B)|product(A,B,A).
% 1.73/1.93  ** KEPT (pick-wt=11): 12 [] -product(A,B,C)| -product(A,B,D)|C=D.
% 1.73/1.93  ** KEPT (pick-wt=11): 13 [] -product(a,A,B)| -product(a,C,B)|A=C.
% 1.73/1.93  ** KEPT (pick-wt=11): 14 [] -product(b,A,B)| -product(b,C,B)|A=C.
% 1.73/1.93  ** KEPT (pick-wt=3): 15 [] h!=g.
% 1.73/1.93  
% 1.73/1.93  ------------> process sos:
% 1.73/1.93  ** KEPT (pick-wt=3): 16 [] A=A.
% 1.73/1.93  ** KEPT (pick-wt=3): 17 [] identity_map(domain(A)).
% 1.73/1.93  ** KEPT (pick-wt=3): 18 [] identity_map(codomain(A)).
% 1.73/1.93  ** KEPT (pick-wt=4): 19 [] defined(A,domain(A)).
% 1.73/1.93  ** KEPT (pick-wt=4): 20 [] defined(codomain(A),A).
% 1.73/1.93  ** KEPT (pick-wt=5): 21 [] product(A,domain(A),A).
% 1.73/1.93  ** KEPT (pick-wt=5): 22 [] product(codomain(A),A,A).
% 1.73/1.93  ** KEPT (pick-wt=4): 23 [] product(a,b,c).
% 1.73/1.93  ** KEPT (pick-wt=4): 24 [] product(c,h,d).
% 1.73/1.93  ** KEPT (pick-wt=4): 25 [] product(c,g,d).
% 1.73/1.93    Following clause subsumed by 16 during input processing: 0 [copy,16,flip.1] A=A.
% 2.00/2.16  
% 2.00/2.16  ======= end of input processing =======
% 2.00/2.16  
% 2.00/2.16  =========== start of search ===========
% 2.00/2.16  
% 2.00/2.16  -------- PROOF -------- 
% 2.00/2.16  
% 2.00/2.16  ----> UNIT CONFLICT at   0.23 sec ----> 1888 [binary,1886.1,15.1] $F.
% 2.00/2.16  
% 2.00/2.16  Length of proof is 11.  Level of proof is 7.
% 2.00/2.16  
% 2.00/2.16  ---------------- PROOF ----------------
% 2.00/2.16  % SZS status Unsatisfiable
% 2.00/2.16  % SZS output start Refutation
% See solution above
% 2.00/2.16  ------------ end of proof -------------
% 2.00/2.16  
% 2.00/2.16  
% 2.00/2.16  Search stopped by max_proofs option.
% 2.00/2.16  
% 2.00/2.16  
% 2.00/2.16  Search stopped by max_proofs option.
% 2.00/2.16  
% 2.00/2.16  ============ end of search ============
% 2.00/2.16  
% 2.00/2.16  -------------- statistics -------------
% 2.00/2.16  clauses given                158
% 2.00/2.16  clauses generated           3637
% 2.00/2.16  clauses kept                1863
% 2.00/2.16  clauses forward subsumed    2310
% 2.00/2.16  clauses back subsumed         23
% 2.00/2.16  Kbytes malloced             2929
% 2.00/2.16  
% 2.00/2.16  ----------- times (seconds) -----------
% 2.00/2.16  user CPU time          0.23          (0 hr, 0 min, 0 sec)
% 2.00/2.16  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.00/2.16  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.00/2.16  
% 2.00/2.16  That finishes the proof of the theorem.
% 2.00/2.16  
% 2.00/2.16  Process 19257 finished Wed Jul 27 01:54:43 2022
% 2.00/2.16  Otter interrupted
% 2.00/2.16  PROOF FOUND
%------------------------------------------------------------------------------