TSTP Solution File: SYN069-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN069-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n017.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 13:23:29 EDT 2022

% Result   : Unsatisfiable 1.65s 1.87s
% Output   : Refutation 1.65s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   20 (  10 unt;   4 nHn;  20 RR)
%            Number of literals    :   40 (   0 equ;  17 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-1 aty)
%            Number of variables   :   11 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ big_f(A)
    | big_g(f(A))
    | ~ big_g(B)
    | ~ big_h(A,B)
    | big_k(B) ),
    file('SYN069-1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ big_f(A)
    | big_h(A,f(A))
    | ~ big_g(B)
    | ~ big_h(A,B)
    | big_k(B) ),
    file('SYN069-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ big_f(A)
    | ~ big_j(A,f(A))
    | ~ big_g(B)
    | ~ big_h(A,B)
    | big_k(B) ),
    file('SYN069-1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ big_l(A)
    | ~ big_k(A) ),
    file('SYN069-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ big_h(a,A)
    | big_l(A) ),
    file('SYN069-1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ big_g(A)
    | ~ big_h(a,A)
    | big_j(a,A) ),
    file('SYN069-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ big_f(A)
    | big_g(g(A)) ),
    file('SYN069-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ big_f(A)
    | big_h(A,g(A)) ),
    file('SYN069-1.p',unknown),
    [] ).

cnf(9,axiom,
    big_f(a),
    file('SYN069-1.p',unknown),
    [] ).

cnf(10,plain,
    big_h(a,g(a)),
    inference(hyper,[status(thm)],[9,8]),
    [iquote('hyper,9,8')] ).

cnf(11,plain,
    big_g(g(a)),
    inference(hyper,[status(thm)],[9,7]),
    [iquote('hyper,9,7')] ).

cnf(13,plain,
    big_l(g(a)),
    inference(hyper,[status(thm)],[10,5]),
    [iquote('hyper,10,5')] ).

cnf(14,plain,
    ( big_h(a,f(a))
    | big_k(g(a)) ),
    inference(hyper,[status(thm)],[10,2,9,11]),
    [iquote('hyper,10,2,9,11')] ).

cnf(15,plain,
    ( big_g(f(a))
    | big_k(g(a)) ),
    inference(hyper,[status(thm)],[10,1,9,11]),
    [iquote('hyper,10,1,9,11')] ).

cnf(16,plain,
    big_h(a,f(a)),
    inference(hyper,[status(thm)],[14,4,13]),
    [iquote('hyper,14,4,13')] ).

cnf(17,plain,
    big_l(f(a)),
    inference(hyper,[status(thm)],[16,5]),
    [iquote('hyper,16,5')] ).

cnf(18,plain,
    big_g(f(a)),
    inference(hyper,[status(thm)],[15,4,13]),
    [iquote('hyper,15,4,13')] ).

cnf(19,plain,
    big_j(a,f(a)),
    inference(hyper,[status(thm)],[18,6,16]),
    [iquote('hyper,18,6,16')] ).

cnf(20,plain,
    big_k(f(a)),
    inference(hyper,[status(thm)],[19,3,9,18,16]),
    [iquote('hyper,19,3,9,18,16')] ).

cnf(22,plain,
    $false,
    inference(hyper,[status(thm)],[20,4,17]),
    [iquote('hyper,20,4,17')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SYN069-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n017.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 10:33:48 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.65/1.87  ----- Otter 3.3f, August 2004 -----
% 1.65/1.87  The process was started by sandbox on n017.cluster.edu,
% 1.65/1.87  Wed Jul 27 10:33:48 2022
% 1.65/1.87  The command was "./otter".  The process ID is 13188.
% 1.65/1.87  
% 1.65/1.87  set(prolog_style_variables).
% 1.65/1.87  set(auto).
% 1.65/1.87     dependent: set(auto1).
% 1.65/1.87     dependent: set(process_input).
% 1.65/1.87     dependent: clear(print_kept).
% 1.65/1.87     dependent: clear(print_new_demod).
% 1.65/1.87     dependent: clear(print_back_demod).
% 1.65/1.87     dependent: clear(print_back_sub).
% 1.65/1.87     dependent: set(control_memory).
% 1.65/1.87     dependent: assign(max_mem, 12000).
% 1.65/1.87     dependent: assign(pick_given_ratio, 4).
% 1.65/1.87     dependent: assign(stats_level, 1).
% 1.65/1.87     dependent: assign(max_seconds, 10800).
% 1.65/1.87  clear(print_given).
% 1.65/1.87  
% 1.65/1.87  list(usable).
% 1.65/1.87  0 [] -big_f(X)|big_g(f(X))| -big_g(Y)| -big_h(X,Y)|big_k(Y).
% 1.65/1.87  0 [] -big_f(X)|big_h(X,f(X))| -big_g(Y)| -big_h(X,Y)|big_k(Y).
% 1.65/1.87  0 [] -big_f(X)| -big_j(X,f(X))| -big_g(Y)| -big_h(X,Y)|big_k(Y).
% 1.65/1.87  0 [] -big_l(X)| -big_k(X).
% 1.65/1.87  0 [] big_f(a).
% 1.65/1.87  0 [] -big_h(a,X)|big_l(X).
% 1.65/1.87  0 [] -big_g(X)| -big_h(a,X)|big_j(a,X).
% 1.65/1.87  0 [] -big_f(X)|big_g(g(X)).
% 1.65/1.87  0 [] -big_f(X)|big_h(X,g(X)).
% 1.65/1.87  end_of_list.
% 1.65/1.87  
% 1.65/1.87  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=5.
% 1.65/1.87  
% 1.65/1.87  This is a non-Horn set without equality.  The strategy will
% 1.65/1.87  be ordered hyper_res, unit deletion, and factoring, with
% 1.65/1.87  satellites in sos and with nuclei in usable.
% 1.65/1.87  
% 1.65/1.87     dependent: set(hyper_res).
% 1.65/1.87     dependent: set(factor).
% 1.65/1.87     dependent: set(unit_deletion).
% 1.65/1.87  
% 1.65/1.87  ------------> process usable:
% 1.65/1.87  ** KEPT (pick-wt=12): 1 [] -big_f(A)|big_g(f(A))| -big_g(B)| -big_h(A,B)|big_k(B).
% 1.65/1.87  ** KEPT (pick-wt=13): 2 [] -big_f(A)|big_h(A,f(A))| -big_g(B)| -big_h(A,B)|big_k(B).
% 1.65/1.87  ** KEPT (pick-wt=13): 3 [] -big_f(A)| -big_j(A,f(A))| -big_g(B)| -big_h(A,B)|big_k(B).
% 1.65/1.87  ** KEPT (pick-wt=4): 4 [] -big_l(A)| -big_k(A).
% 1.65/1.87  ** KEPT (pick-wt=5): 5 [] -big_h(a,A)|big_l(A).
% 1.65/1.87  ** KEPT (pick-wt=8): 6 [] -big_g(A)| -big_h(a,A)|big_j(a,A).
% 1.65/1.87  ** KEPT (pick-wt=5): 7 [] -big_f(A)|big_g(g(A)).
% 1.65/1.87  ** KEPT (pick-wt=6): 8 [] -big_f(A)|big_h(A,g(A)).
% 1.65/1.87  
% 1.65/1.87  ------------> process sos:
% 1.65/1.87  ** KEPT (pick-wt=2): 9 [] big_f(a).
% 1.65/1.87  
% 1.65/1.87  ======= end of input processing =======
% 1.65/1.87  
% 1.65/1.87  =========== start of search ===========
% 1.65/1.87  
% 1.65/1.87  -------- PROOF -------- 
% 1.65/1.87  
% 1.65/1.87  -----> EMPTY CLAUSE at   0.00 sec ----> 22 [hyper,20,4,17] $F.
% 1.65/1.87  
% 1.65/1.87  Length of proof is 10.  Level of proof is 5.
% 1.65/1.87  
% 1.65/1.87  ---------------- PROOF ----------------
% 1.65/1.87  % SZS status Unsatisfiable
% 1.65/1.87  % SZS output start Refutation
% See solution above
% 1.65/1.87  ------------ end of proof -------------
% 1.65/1.87  
% 1.65/1.87  
% 1.65/1.87  Search stopped by max_proofs option.
% 1.65/1.87  
% 1.65/1.87  
% 1.65/1.87  Search stopped by max_proofs option.
% 1.65/1.87  
% 1.65/1.87  ============ end of search ============
% 1.65/1.87  
% 1.65/1.87  -------------- statistics -------------
% 1.65/1.87  clauses given                 12
% 1.65/1.87  clauses generated             15
% 1.65/1.87  clauses kept                  21
% 1.65/1.87  clauses forward subsumed       2
% 1.65/1.87  clauses back subsumed          2
% 1.65/1.87  Kbytes malloced              976
% 1.65/1.87  
% 1.65/1.87  ----------- times (seconds) -----------
% 1.65/1.87  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.65/1.87  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.65/1.87  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.65/1.87  
% 1.65/1.87  That finishes the proof of the theorem.
% 1.65/1.87  
% 1.65/1.87  Process 13188 finished Wed Jul 27 10:33:49 2022
% 1.65/1.87  Otter interrupted
% 1.65/1.87  PROOF FOUND
%------------------------------------------------------------------------------