TSTP Solution File: SYN374+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN374+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n021.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 13:24:23 EDT 2022

% Result   : Theorem 1.69s 1.91s
% Output   : Refutation 1.69s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    4
% Syntax   : Number of clauses     :   13 (   3 unt;   5 nHn;   7 RR)
%            Number of literals    :   33 (   0 equ;  15 neg)
%            Maximal clause size   :    4 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-1 aty)
%            Number of variables   :   15 (  11 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ big_p(dollar_c1)
    | big_p(A)
    | ~ big_p(B)
    | big_p(C) ),
    file('SYN374+1.p',unknown),
    [] ).

cnf(2,plain,
    ( ~ big_p(dollar_c1)
    | big_p(A) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(copy,[status(thm)],[1])])]),
    [iquote('copy,1,factor_simp,factor_simp')] ).

cnf(3,axiom,
    ( big_p(dollar_c1)
    | ~ big_p(A)
    | ~ big_p(B)
    | big_p(C) ),
    file('SYN374+1.p',unknown),
    [] ).

cnf(4,plain,
    ( big_p(dollar_c1)
    | ~ big_p(A) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(copy,[status(thm)],[3])])]),
    [iquote('copy,3,factor_simp,factor_simp')] ).

cnf(9,axiom,
    ( ~ big_p(A)
    | ~ big_p(dollar_f1(A))
    | ~ big_p(B)
    | ~ big_p(dollar_c5) ),
    file('SYN374+1.p',unknown),
    [] ).

cnf(10,plain,
    ( ~ big_p(A)
    | ~ big_p(dollar_f1(A))
    | ~ big_p(dollar_c5) ),
    inference(factor_simp,[status(thm)],[inference(copy,[status(thm)],[9])]),
    [iquote('copy,9,factor_simp')] ).

cnf(11,plain,
    ( ~ big_p(dollar_c5)
    | ~ big_p(dollar_f1(dollar_c5)) ),
    inference(factor,[status(thm)],[10]),
    [iquote('factor,10.1.3')] ).

cnf(12,axiom,
    ( big_p(A)
    | big_p(dollar_f1(A))
    | big_p(dollar_c4)
    | big_p(B) ),
    file('SYN374+1.p',unknown),
    [] ).

cnf(13,plain,
    ( big_p(A)
    | big_p(dollar_f1(A))
    | big_p(dollar_c4) ),
    inference(factor_simp,[status(thm)],[inference(copy,[status(thm)],[12])]),
    [iquote('copy,12,factor_simp')] ).

cnf(19,plain,
    ( big_p(dollar_c4)
    | big_p(dollar_c1) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[13,4])]),
    [iquote('hyper,13,4,factor_simp')] ).

cnf(23,plain,
    big_p(dollar_c1),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[19,4])]),
    [iquote('hyper,19,4,factor_simp')] ).

cnf(27,plain,
    big_p(A),
    inference(hyper,[status(thm)],[23,2]),
    [iquote('hyper,23,2')] ).

cnf(28,plain,
    $false,
    inference(hyper,[status(thm)],[27,11,27]),
    [iquote('hyper,27,11,27')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SYN374+1 : TPTP v8.1.0. Released v2.0.0.
% 0.06/0.13  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n021.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 10:58:53 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.69/1.91  ----- Otter 3.3f, August 2004 -----
% 1.69/1.91  The process was started by sandbox2 on n021.cluster.edu,
% 1.69/1.91  Wed Jul 27 10:58:53 2022
% 1.69/1.91  The command was "./otter".  The process ID is 865.
% 1.69/1.91  
% 1.69/1.91  set(prolog_style_variables).
% 1.69/1.91  set(auto).
% 1.69/1.91     dependent: set(auto1).
% 1.69/1.91     dependent: set(process_input).
% 1.69/1.91     dependent: clear(print_kept).
% 1.69/1.91     dependent: clear(print_new_demod).
% 1.69/1.91     dependent: clear(print_back_demod).
% 1.69/1.91     dependent: clear(print_back_sub).
% 1.69/1.91     dependent: set(control_memory).
% 1.69/1.91     dependent: assign(max_mem, 12000).
% 1.69/1.91     dependent: assign(pick_given_ratio, 4).
% 1.69/1.91     dependent: assign(stats_level, 1).
% 1.69/1.91     dependent: assign(max_seconds, 10800).
% 1.69/1.91  clear(print_given).
% 1.69/1.91  
% 1.69/1.91  formula_list(usable).
% 1.69/1.91  -((exists X all Y (big_p(X)<->big_p(Y)))<-> ((exists X big_p(X))<-> (all Y big_p(Y)))).
% 1.69/1.91  end_of_list.
% 1.69/1.91  
% 1.69/1.91  -------> usable clausifies to:
% 1.69/1.91  
% 1.69/1.91  list(usable).
% 1.69/1.91  0 [] -big_p($c1)|big_p(Y)| -big_p(X)|big_p(X1).
% 1.69/1.91  0 [] -big_p($c1)|big_p(Y)|big_p($c2)| -big_p($c3).
% 1.69/1.91  0 [] big_p($c1)| -big_p(Y)| -big_p(X)|big_p(X1).
% 1.69/1.91  0 [] big_p($c1)| -big_p(Y)|big_p($c2)| -big_p($c3).
% 1.69/1.91  0 [] big_p(X2)|big_p($f1(X2))|big_p($c4)|big_p(X3).
% 1.69/1.91  0 [] big_p(X2)|big_p($f1(X2))| -big_p(X4)| -big_p($c5).
% 1.69/1.91  0 [] -big_p(X2)| -big_p($f1(X2))|big_p($c4)|big_p(X3).
% 1.69/1.91  0 [] -big_p(X2)| -big_p($f1(X2))| -big_p(X4)| -big_p($c5).
% 1.69/1.91  end_of_list.
% 1.69/1.91  
% 1.69/1.91  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=4.
% 1.69/1.91  
% 1.69/1.91  This is a non-Horn set without equality.  The strategy will
% 1.69/1.91  be ordered hyper_res, unit deletion, and factoring, with
% 1.69/1.91  satellites in sos and with nuclei in usable.
% 1.69/1.91  
% 1.69/1.91     dependent: set(hyper_res).
% 1.69/1.91     dependent: set(factor).
% 1.69/1.91     dependent: set(unit_deletion).
% 1.69/1.91  
% 1.69/1.91  ------------> process usable:
% 1.69/1.91  ** KEPT (pick-wt=4): 2 [copy,1,factor_simp,factor_simp] -big_p($c1)|big_p(A).
% 1.69/1.91    Following clause subsumed by 2 during input processing: 0 [factor_simp] -big_p($c1)|big_p($c2)| -big_p($c3).
% 1.69/1.91  ** KEPT (pick-wt=4): 4 [copy,3,factor_simp,factor_simp] big_p($c1)| -big_p(A).
% 1.69/1.91    Following clause subsumed by 4 during input processing: 0 [factor_simp] big_p($c1)| -big_p($c3)|big_p($c2).
% 1.69/1.91  ** KEPT (pick-wt=7): 6 [copy,5,factor_simp] big_p(A)|big_p($f1(A))| -big_p($c5).
% 1.69/1.91  ** KEPT (pick-wt=7): 8 [copy,7,factor_simp] -big_p(A)| -big_p($f1(A))|big_p($c4).
% 1.69/1.91  ** KEPT (pick-wt=7): 10 [copy,9,factor_simp] -big_p(A)| -big_p($f1(A))| -big_p($c5).
% 1.69/1.91  
% 1.69/1.91  ------------> process sos:
% 1.69/1.91  ** KEPT (pick-wt=7): 13 [copy,12,factor_simp] big_p(A)|big_p($f1(A))|big_p($c4).
% 1.69/1.91  
% 1.69/1.91  ======= end of input processing =======
% 1.69/1.91  
% 1.69/1.91  =========== start of search ===========
% 1.69/1.91  
% 1.69/1.91  -------- PROOF -------- 
% 1.69/1.91  
% 1.69/1.91  -----> EMPTY CLAUSE at   0.00 sec ----> 28 [hyper,27,11,27] $F.
% 1.69/1.91  
% 1.69/1.91  Length of proof is 8.  Level of proof is 4.
% 1.69/1.91  
% 1.69/1.91  ---------------- PROOF ----------------
% 1.69/1.91  % SZS status Theorem
% 1.69/1.91  % SZS output start Refutation
% See solution above
% 1.69/1.91  ------------ end of proof -------------
% 1.69/1.91  
% 1.69/1.91  
% 1.69/1.91  Search stopped by max_proofs option.
% 1.69/1.91  
% 1.69/1.91  
% 1.69/1.91  Search stopped by max_proofs option.
% 1.69/1.91  
% 1.69/1.91  ============ end of search ============
% 1.69/1.91  
% 1.69/1.91  -------------- statistics -------------
% 1.69/1.91  clauses given                  4
% 1.69/1.91  clauses generated             58
% 1.69/1.91  clauses kept                  21
% 1.69/1.91  clauses forward subsumed      44
% 1.69/1.91  clauses back subsumed         18
% 1.69/1.91  Kbytes malloced              976
% 1.69/1.91  
% 1.69/1.91  ----------- times (seconds) -----------
% 1.69/1.91  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.69/1.91  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.69/1.91  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.69/1.91  
% 1.69/1.91  That finishes the proof of the theorem.
% 1.69/1.91  
% 1.69/1.91  Process 865 finished Wed Jul 27 10:58:54 2022
% 1.69/1.91  Otter interrupted
% 1.69/1.91  PROOF FOUND
%------------------------------------------------------------------------------