TSTP Solution File: SYN053+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN053+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n007.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 13:23:25 EDT 2022

% Result   : Theorem 1.73s 1.93s
% Output   : Refutation 1.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    5 (   3 unt;   1 nHn;   3 RR)
%            Number of literals    :    8 (   0 equ;   3 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   2 prp; 0-1 aty)
%            Number of functors    :    2 (   2 usr;   2 con; 0-0 aty)
%            Number of variables   :    3 (   3 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ p,
    file('SYN053+1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ big_f(dollar_c1)
    | ~ big_f(dollar_c2) ),
    file('SYN053+1.p',unknown),
    [] ).

cnf(3,axiom,
    ( p
    | big_f(A)
    | big_f(B) ),
    file('SYN053+1.p',unknown),
    [] ).

cnf(4,plain,
    big_f(A),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[3]),1])]),
    [iquote('copy,3,unit_del,1,factor_simp')] ).

cnf(5,plain,
    $false,
    inference(hyper,[status(thm)],[4,2,4]),
    [iquote('hyper,4,2,4')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYN053+1 : TPTP v8.1.0. Released v2.0.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n007.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Wed Jul 27 10:41:46 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.73/1.93  ----- Otter 3.3f, August 2004 -----
% 1.73/1.93  The process was started by sandbox2 on n007.cluster.edu,
% 1.73/1.93  Wed Jul 27 10:41:46 2022
% 1.73/1.93  The command was "./otter".  The process ID is 20259.
% 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  formula_list(usable).
% 1.73/1.93  -((all X (p|big_f(X)))<->p| (all X1 big_f(X1))).
% 1.73/1.93  end_of_list.
% 1.73/1.93  
% 1.73/1.93  -------> usable clausifies to:
% 1.73/1.93  
% 1.73/1.93  list(usable).
% 1.73/1.93  0 [] p|big_f(X)|big_f(X1).
% 1.73/1.93  0 [] -p.
% 1.73/1.93  0 [] -big_f($c1)| -big_f($c2).
% 1.73/1.93  end_of_list.
% 1.73/1.93  
% 1.73/1.93  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=3.
% 1.73/1.93  
% 1.73/1.93  This is a non-Horn set without equality.  The strategy will
% 1.73/1.93  be ordered hyper_res, unit deletion, and factoring, with
% 1.73/1.93  satellites in sos and with nuclei in usable.
% 1.73/1.93  
% 1.73/1.93     dependent: set(hyper_res).
% 1.73/1.93     dependent: set(factor).
% 1.73/1.93     dependent: set(unit_deletion).
% 1.73/1.93  
% 1.73/1.93  ------------> process usable:
% 1.73/1.93  ** KEPT (pick-wt=1): 1 [] -p.
% 1.73/1.93  ** KEPT (pick-wt=4): 2 [] -big_f($c1)| -big_f($c2).
% 1.73/1.93  
% 1.73/1.93  ------------> process sos:
% 1.73/1.93  ** KEPT (pick-wt=2): 4 [copy,3,unit_del,1,factor_simp] big_f(A).
% 1.73/1.93  
% 1.73/1.93  ======= end of input processing =======
% 1.73/1.93  
% 1.73/1.93  =========== start of search ===========
% 1.73/1.93  
% 1.73/1.93  -------- PROOF -------- 
% 1.73/1.93  
% 1.73/1.93  -----> EMPTY CLAUSE at   0.00 sec ----> 5 [hyper,4,2,4] $F.
% 1.73/1.93  
% 1.73/1.93  Length of proof is 1.  Level of proof is 1.
% 1.73/1.93  
% 1.73/1.93  ---------------- PROOF ----------------
% 1.73/1.93  % SZS status Theorem
% 1.73/1.93  % SZS output start Refutation
% See solution above
% 1.73/1.93  ------------ end of proof -------------
% 1.73/1.93  
% 1.73/1.93  
% 1.73/1.93  Search stopped by max_proofs option.
% 1.73/1.93  
% 1.73/1.93  
% 1.73/1.93  Search stopped by max_proofs option.
% 1.73/1.93  
% 1.73/1.93  ============ end of search ============
% 1.73/1.93  
% 1.73/1.93  -------------- statistics -------------
% 1.73/1.93  clauses given                  1
% 1.73/1.93  clauses generated              1
% 1.73/1.93  clauses kept                   3
% 1.73/1.93  clauses forward subsumed       0
% 1.73/1.93  clauses back subsumed          0
% 1.73/1.93  Kbytes malloced              976
% 1.73/1.93  
% 1.73/1.93  ----------- times (seconds) -----------
% 1.73/1.93  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.73/1.93  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.73/1.93  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.73/1.93  
% 1.73/1.93  That finishes the proof of the theorem.
% 1.73/1.93  
% 1.73/1.93  Process 20259 finished Wed Jul 27 10:41:47 2022
% 1.73/1.93  Otter interrupted
% 1.73/1.93  PROOF FOUND
%------------------------------------------------------------------------------