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 v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n015.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   : Theorem 1.79s 2.03s
% Output   : Refutation 1.79s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   15 (   7 unt;   2 nHn;  11 RR)
%            Number of literals    :   27 (   0 equ;  11 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   1 con; 0-1 aty)
%            Number of variables   :   12 (   4 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ big_f(A)
    | big_g(dollar_f1(A))
    | big_g(B) ),
    file('SYN069+1.p',unknown),
    [] ).

cnf(2,plain,
    ( ~ big_f(A)
    | big_g(dollar_f1(A)) ),
    inference(factor_simp,[status(thm)],[inference(copy,[status(thm)],[1])]),
    [iquote('copy,1,factor_simp')] ).

cnf(4,axiom,
    ( ~ big_f(A)
    | big_h(A,dollar_f1(A))
    | big_h(A,B) ),
    file('SYN069+1.p',unknown),
    [] ).

cnf(5,plain,
    ( ~ big_f(A)
    | big_h(A,dollar_f1(A)) ),
    inference(factor_simp,[status(thm)],[inference(copy,[status(thm)],[4])]),
    [iquote('copy,4,factor_simp')] ).

cnf(8,axiom,
    ( ~ big_f(A)
    | ~ big_j(A,dollar_f1(A))
    | big_k(B) ),
    file('SYN069+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ big_l(A)
    | ~ big_k(A) ),
    file('SYN069+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ big_h(dollar_c1,A)
    | big_l(A) ),
    file('SYN069+1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ big_g(A)
    | ~ big_h(dollar_c1,A)
    | big_j(dollar_c1,A) ),
    file('SYN069+1.p',unknown),
    [] ).

cnf(14,axiom,
    big_f(dollar_c1),
    file('SYN069+1.p',unknown),
    [] ).

cnf(17,plain,
    big_h(dollar_c1,dollar_f1(dollar_c1)),
    inference(hyper,[status(thm)],[14,5]),
    [iquote('hyper,14,5')] ).

cnf(18,plain,
    big_g(dollar_f1(dollar_c1)),
    inference(hyper,[status(thm)],[14,2]),
    [iquote('hyper,14,2')] ).

cnf(21,plain,
    big_j(dollar_c1,dollar_f1(dollar_c1)),
    inference(hyper,[status(thm)],[17,11,18]),
    [iquote('hyper,17,11,18')] ).

cnf(22,plain,
    big_l(dollar_f1(dollar_c1)),
    inference(hyper,[status(thm)],[17,10]),
    [iquote('hyper,17,10')] ).

cnf(23,plain,
    big_k(A),
    inference(hyper,[status(thm)],[21,8,14]),
    [iquote('hyper,21,8,14')] ).

cnf(26,plain,
    $false,
    inference(hyper,[status(thm)],[23,9,22]),
    [iquote('hyper,23,9,22')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SYN069+1 : TPTP v8.1.0. Released v2.0.0.
% 0.11/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n015.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 11:17:27 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.79/2.03  ----- Otter 3.3f, August 2004 -----
% 1.79/2.03  The process was started by sandbox2 on n015.cluster.edu,
% 1.79/2.03  Wed Jul 27 11:17:27 2022
% 1.79/2.03  The command was "./otter".  The process ID is 17680.
% 1.79/2.03  
% 1.79/2.03  set(prolog_style_variables).
% 1.79/2.03  set(auto).
% 1.79/2.03     dependent: set(auto1).
% 1.79/2.03     dependent: set(process_input).
% 1.79/2.03     dependent: clear(print_kept).
% 1.79/2.03     dependent: clear(print_new_demod).
% 1.79/2.03     dependent: clear(print_back_demod).
% 1.79/2.03     dependent: clear(print_back_sub).
% 1.79/2.03     dependent: set(control_memory).
% 1.79/2.03     dependent: assign(max_mem, 12000).
% 1.79/2.03     dependent: assign(pick_given_ratio, 4).
% 1.79/2.03     dependent: assign(stats_level, 1).
% 1.79/2.03     dependent: assign(max_seconds, 10800).
% 1.79/2.03  clear(print_given).
% 1.79/2.03  
% 1.79/2.03  formula_list(usable).
% 1.79/2.03  all X (big_f(X)& (all Y (big_g(Y)&big_h(X,Y)->big_j(X,Y)))-> (all Y1 (big_g(Y1)&big_h(X,Y1)&big_k(Y1)))).
% 1.79/2.03  -(exists Y (big_l(Y)&big_k(Y))).
% 1.79/2.03  exists X (big_f(X)& (all Y (big_h(X,Y)->big_l(Y)))& (all Y1 (big_g(Y1)&big_h(X,Y1)->big_j(X,Y1)))).
% 1.79/2.03  -(exists X (big_f(X)& -(exists Y (big_g(Y)&big_h(X,Y))))).
% 1.79/2.03  end_of_list.
% 1.79/2.03  
% 1.79/2.03  -------> usable clausifies to:
% 1.79/2.03  
% 1.79/2.03  list(usable).
% 1.79/2.03  0 [] -big_f(X)|big_g($f1(X))|big_g(Y1).
% 1.79/2.03  0 [] -big_f(X)|big_g($f1(X))|big_h(X,Y1).
% 1.79/2.03  0 [] -big_f(X)|big_g($f1(X))|big_k(Y1).
% 1.79/2.03  0 [] -big_f(X)|big_h(X,$f1(X))|big_g(Y1).
% 1.79/2.03  0 [] -big_f(X)|big_h(X,$f1(X))|big_h(X,Y1).
% 1.79/2.03  0 [] -big_f(X)|big_h(X,$f1(X))|big_k(Y1).
% 1.79/2.03  0 [] -big_f(X)| -big_j(X,$f1(X))|big_g(Y1).
% 1.79/2.03  0 [] -big_f(X)| -big_j(X,$f1(X))|big_h(X,Y1).
% 1.79/2.03  0 [] -big_f(X)| -big_j(X,$f1(X))|big_k(Y1).
% 1.79/2.03  0 [] -big_l(Y)| -big_k(Y).
% 1.79/2.03  0 [] big_f($c1).
% 1.79/2.03  0 [] -big_h($c1,Y)|big_l(Y).
% 1.79/2.03  0 [] -big_g(Y1)| -big_h($c1,Y1)|big_j($c1,Y1).
% 1.79/2.03  0 [] -big_f(X)|big_g($f2(X)).
% 1.79/2.03  0 [] -big_f(X)|big_h(X,$f2(X)).
% 1.79/2.03  end_of_list.
% 1.79/2.03  
% 1.79/2.03  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=3.
% 1.79/2.03  
% 1.79/2.03  This is a non-Horn set without equality.  The strategy will
% 1.79/2.03  be ordered hyper_res, unit deletion, and factoring, with
% 1.79/2.03  satellites in sos and with nuclei in usable.
% 1.79/2.03  
% 1.79/2.03     dependent: set(hyper_res).
% 1.79/2.03     dependent: set(factor).
% 1.79/2.03     dependent: set(unit_deletion).
% 1.79/2.03  
% 1.79/2.03  ------------> process usable:
% 1.79/2.03  ** KEPT (pick-wt=5): 2 [copy,1,factor_simp] -big_f(A)|big_g($f1(A)).
% 1.79/2.03    Following clause subsumed by 2 during input processing: 0 [] -big_f(A)|big_g($f1(A))|big_h(A,B).
% 1.79/2.03    Following clause subsumed by 2 during input processing: 0 [] -big_f(A)|big_g($f1(A))|big_k(B).
% 1.79/2.03  ** KEPT (pick-wt=8): 3 [] -big_f(A)|big_h(A,$f1(A))|big_g(B).
% 1.79/2.03  ** KEPT (pick-wt=6): 5 [copy,4,factor_simp] -big_f(A)|big_h(A,$f1(A)).
% 1.79/2.03    Following clause subsumed by 5 during input processing: 0 [] -big_f(A)|big_h(A,$f1(A))|big_k(B).
% 1.79/2.03  ** KEPT (pick-wt=8): 6 [] -big_f(A)| -big_j(A,$f1(A))|big_g(B).
% 1.79/2.03  ** KEPT (pick-wt=9): 7 [] -big_f(A)| -big_j(A,$f1(A))|big_h(A,B).
% 1.79/2.03  ** KEPT (pick-wt=8): 8 [] -big_f(A)| -big_j(A,$f1(A))|big_k(B).
% 1.79/2.03  ** KEPT (pick-wt=4): 9 [] -big_l(A)| -big_k(A).
% 1.79/2.03  ** KEPT (pick-wt=5): 10 [] -big_h($c1,A)|big_l(A).
% 1.79/2.03  ** KEPT (pick-wt=8): 11 [] -big_g(A)| -big_h($c1,A)|big_j($c1,A).
% 1.79/2.03  ** KEPT (pick-wt=5): 12 [] -big_f(A)|big_g($f2(A)).
% 1.79/2.03  ** KEPT (pick-wt=6): 13 [] -big_f(A)|big_h(A,$f2(A)).
% 1.79/2.03  5 back subsumes 3.
% 1.79/2.03  
% 1.79/2.03  ------------> process sos:
% 1.79/2.03  ** KEPT (pick-wt=2): 14 [] big_f($c1).
% 1.79/2.03  
% 1.79/2.03  ======= end of input processing =======
% 1.79/2.03  
% 1.79/2.03  =========== start of search ===========
% 1.79/2.03  
% 1.79/2.03  -------- PROOF -------- 
% 1.79/2.03  
% 1.79/2.03  -----> EMPTY CLAUSE at   0.00 sec ----> 26 [hyper,23,9,22] $F.
% 1.79/2.03  
% 1.79/2.03  Length of proof is 7.  Level of proof is 4.
% 1.79/2.03  
% 1.79/2.03  ---------------- PROOF ----------------
% 1.79/2.03  % SZS status Theorem
% 1.79/2.03  % SZS output start Refutation
% See solution above
% 1.79/2.03  ------------ end of proof -------------
% 1.79/2.03  
% 1.79/2.03  
% 1.79/2.03  Search stopped by max_proofs option.
% 1.79/2.03  
% 1.79/2.03  
% 1.79/2.03  Search stopped by max_proofs option.
% 1.79/2.03  
% 1.79/2.03  ============ end of search ============
% 1.79/2.03  
% 1.79/2.03  -------------- statistics -------------
% 1.79/2.03  clauses given                 10
% 1.79/2.03  clauses generated             12
% 1.79/2.03  clauses kept                  23
% 1.79/2.03  clauses forward subsumed       3
% 1.79/2.03  clauses back subsumed          9
% 1.79/2.03  Kbytes malloced              976
% 1.79/2.03  
% 1.79/2.03  ----------- times (seconds) -----------
% 1.79/2.03  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.79/2.03  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.79/2.03  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.79/2.03  
% 1.79/2.03  That finishes the proof of the theorem.
% 1.79/2.03  
% 1.79/2.03  Process 17680 finished Wed Jul 27 11:17:28 2022
% 1.79/2.03  Otter interrupted
% 1.79/2.03  PROOF FOUND
%------------------------------------------------------------------------------