TSTP Solution File: SYN358+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN358+1 : TPTP v8.1.0. Released v2.0.0.
% 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 13:24:21 EDT 2022

% Result   : Theorem 1.66s 1.87s
% Output   : Refutation 1.66s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    6 (   3 unt;   1 nHn;   6 RR)
%            Number of literals    :   10 (   0 equ;   5 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
    | ~ big_q(A)
    | ~ big_q(B) ),
    file('SYN358+1.p',unknown),
    [] ).

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

cnf(3,axiom,
    p,
    file('SYN358+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( big_q(dollar_c1)
    | big_q(dollar_c2) ),
    file('SYN358+1.p',unknown),
    [] ).

cnf(5,plain,
    big_q(dollar_c2),
    inference(hyper,[status(thm)],[4,2,3]),
    [iquote('hyper,4,2,3')] ).

cnf(7,plain,
    $false,
    inference(hyper,[status(thm)],[5,2,3]),
    [iquote('hyper,5,2,3')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.11  % Problem  : SYN358+1 : TPTP v8.1.0. Released v2.0.0.
% 0.02/0.12  % 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 10:39:33 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.66/1.86  ----- Otter 3.3f, August 2004 -----
% 1.66/1.86  The process was started by sandbox on n017.cluster.edu,
% 1.66/1.86  Wed Jul 27 10:39:33 2022
% 1.66/1.86  The command was "./otter".  The process ID is 21245.
% 1.66/1.86  
% 1.66/1.86  set(prolog_style_variables).
% 1.66/1.86  set(auto).
% 1.66/1.86     dependent: set(auto1).
% 1.66/1.86     dependent: set(process_input).
% 1.66/1.86     dependent: clear(print_kept).
% 1.66/1.86     dependent: clear(print_new_demod).
% 1.66/1.86     dependent: clear(print_back_demod).
% 1.66/1.86     dependent: clear(print_back_sub).
% 1.66/1.86     dependent: set(control_memory).
% 1.66/1.86     dependent: assign(max_mem, 12000).
% 1.66/1.86     dependent: assign(pick_given_ratio, 4).
% 1.66/1.86     dependent: assign(stats_level, 1).
% 1.66/1.86     dependent: assign(max_seconds, 10800).
% 1.66/1.86  clear(print_given).
% 1.66/1.86  
% 1.66/1.86  formula_list(usable).
% 1.66/1.86  -((exists X (p&big_q(X)))<->p& (exists X big_q(X))).
% 1.66/1.86  end_of_list.
% 1.66/1.86  
% 1.66/1.86  -------> usable clausifies to:
% 1.66/1.86  
% 1.66/1.86  list(usable).
% 1.66/1.86  0 [] p.
% 1.66/1.86  0 [] big_q($c1)|big_q($c2).
% 1.66/1.86  0 [] -p| -big_q(X)| -big_q(X1).
% 1.66/1.86  end_of_list.
% 1.66/1.86  
% 1.66/1.86  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=3.
% 1.66/1.86  
% 1.66/1.86  This is a non-Horn set without equality.  The strategy will
% 1.66/1.86  be ordered hyper_res, unit deletion, and factoring, with
% 1.66/1.87  satellites in sos and with nuclei in usable.
% 1.66/1.87  
% 1.66/1.87     dependent: set(hyper_res).
% 1.66/1.87     dependent: set(factor).
% 1.66/1.87     dependent: set(unit_deletion).
% 1.66/1.87  
% 1.66/1.87  ------------> process usable:
% 1.66/1.87  ** KEPT (pick-wt=3): 2 [copy,1,factor_simp] -p| -big_q(A).
% 1.66/1.87  
% 1.66/1.87  ------------> process sos:
% 1.66/1.87  ** KEPT (pick-wt=1): 3 [] p.
% 1.66/1.87  ** KEPT (pick-wt=4): 4 [] big_q($c1)|big_q($c2).
% 1.66/1.87  
% 1.66/1.87  ======= end of input processing =======
% 1.66/1.87  
% 1.66/1.87  =========== start of search ===========
% 1.66/1.87  
% 1.66/1.87  -------- PROOF -------- 
% 1.66/1.87  
% 1.66/1.87  -----> EMPTY CLAUSE at   0.00 sec ----> 7 [hyper,5,2,3] $F.
% 1.66/1.87  
% 1.66/1.87  Length of proof is 2.  Level of proof is 2.
% 1.66/1.87  
% 1.66/1.87  ---------------- PROOF ----------------
% 1.66/1.87  % SZS status Theorem
% 1.66/1.87  % SZS output start Refutation
% See solution above
% 1.66/1.87  ------------ end of proof -------------
% 1.66/1.87  
% 1.66/1.87  
% 1.66/1.87  Search stopped by max_proofs option.
% 1.66/1.87  
% 1.66/1.87  
% 1.66/1.87  Search stopped by max_proofs option.
% 1.66/1.87  
% 1.66/1.87  ============ end of search ============
% 1.66/1.87  
% 1.66/1.87  -------------- statistics -------------
% 1.66/1.87  clauses given                  3
% 1.66/1.87  clauses generated              3
% 1.66/1.87  clauses kept                   5
% 1.66/1.87  clauses forward subsumed       0
% 1.66/1.87  clauses back subsumed          1
% 1.66/1.87  Kbytes malloced              976
% 1.66/1.87  
% 1.66/1.87  ----------- times (seconds) -----------
% 1.66/1.87  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.66/1.87  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.66/1.87  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.66/1.87  
% 1.66/1.87  That finishes the proof of the theorem.
% 1.66/1.87  
% 1.66/1.87  Process 21245 finished Wed Jul 27 10:39:34 2022
% 1.66/1.87  Otter interrupted
% 1.66/1.87  PROOF FOUND
%------------------------------------------------------------------------------