TSTP Solution File: SYN974+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN974+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n027.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 13:25:36 EDT 2022

% Result   : Theorem 1.63s 1.85s
% Output   : Refutation 1.63s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    1
%            Number of leaves      :    2
% Syntax   : Number of clauses     :    3 (   3 unt;   0 nHn;   3 RR)
%            Number of literals    :    3 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    1 (   1 usr;   1 con; 0-0 aty)
%            Number of variables   :    1 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ p(A),
    file('SYN974+1.p',unknown),
    [] ).

cnf(2,axiom,
    p(dollar_c1),
    file('SYN974+1.p',unknown),
    [] ).

cnf(3,plain,
    $false,
    inference(binary,[status(thm)],[2,1]),
    [iquote('binary,2.1,1.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : SYN974+1 : TPTP v8.1.0. Released v3.1.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n027.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 11:38:21 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.63/1.85  
% 1.63/1.85  -------- PROOF -------- 
% 1.63/1.85  ----- Otter 3.3f, August 2004 -----
% 1.63/1.85  The process was started by sandbox on n027.cluster.edu,
% 1.63/1.85  Wed Jul 27 11:38:22 2022
% 1.63/1.85  The command was "./otter".  The process ID is 14094.
% 1.63/1.85  
% 1.63/1.85  set(prolog_style_variables).
% 1.63/1.85  set(auto).
% 1.63/1.85     dependent: set(auto1).
% 1.63/1.85     dependent: set(process_input).
% 1.63/1.85     dependent: clear(print_kept).
% 1.63/1.85     dependent: clear(print_new_demod).
% 1.63/1.85     dependent: clear(print_back_demod).
% 1.63/1.85     dependent: clear(print_back_sub).
% 1.63/1.85     dependent: set(control_memory).
% 1.63/1.85     dependent: assign(max_mem, 12000).
% 1.63/1.85     dependent: assign(pick_given_ratio, 4).
% 1.63/1.85     dependent: assign(stats_level, 1).
% 1.63/1.85     dependent: assign(max_seconds, 10800).
% 1.63/1.85  clear(print_given).
% 1.63/1.85  
% 1.63/1.85  formula_list(usable).
% 1.63/1.85  -((exists X p(X))-> (exists Y p(Y))).
% 1.63/1.85  end_of_list.
% 1.63/1.85  
% 1.63/1.85  -------> usable clausifies to:
% 1.63/1.85  
% 1.63/1.85  list(usable).
% 1.63/1.85  0 [] p($c1).
% 1.63/1.85  0 [] -p(Y).
% 1.63/1.85  end_of_list.
% 1.63/1.85  
% 1.63/1.85  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=1.
% 1.63/1.85  
% 1.63/1.85  This is a Horn set without equality.  The strategy will
% 1.63/1.85  be hyperresolution, with satellites in sos and nuclei
% 1.63/1.85  in usable.
% 1.63/1.85  
% 1.63/1.85     dependent: set(hyper_res).
% 1.63/1.85     dependent: clear(order_hyper).
% 1.63/1.85  
% 1.63/1.85  ------------> process usable:
% 1.63/1.85  ** KEPT (pick-wt=2): 1 [] -p(A).
% 1.63/1.85  
% 1.63/1.85  ------------> process sos:
% 1.63/1.85  ** KEPT (pick-wt=2): 2 [] p($c1).
% 1.63/1.85  
% 1.63/1.85  ----> UNIT CONFLICT at   0.00 sec ----> 3 [binary,2.1,1.1] $F.
% 1.63/1.85  
% 1.63/1.85  Length of proof is 0.  Level of proof is 0.
% 1.63/1.85  
% 1.63/1.85  ---------------- PROOF ----------------
% 1.63/1.85  % SZS status Theorem
% 1.63/1.85  % SZS output start Refutation
% See solution above
% 1.63/1.85  ------------ end of proof -------------
% 1.63/1.85  
% 1.63/1.85  
% 1.63/1.85  Search stopped by max_proofs option.
% 1.63/1.85  
% 1.63/1.85  
% 1.63/1.85  Search stopped by max_proofs option.
% 1.63/1.85  
% 1.63/1.85  ============ end of search ============
% 1.63/1.85  
% 1.63/1.85  -------------- statistics -------------
% 1.63/1.85  clauses given                  0
% 1.63/1.85  clauses generated              0
% 1.63/1.85  clauses kept                   2
% 1.63/1.85  clauses forward subsumed       0
% 1.63/1.85  clauses back subsumed          0
% 1.63/1.85  Kbytes malloced              976
% 1.63/1.85  
% 1.63/1.85  ----------- times (seconds) -----------
% 1.63/1.85  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.63/1.85  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.63/1.85  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.63/1.85  
% 1.63/1.85  That finishes the proof of the theorem.
% 1.63/1.85  
% 1.63/1.85  Process 14094 finished Wed Jul 27 11:38:23 2022
% 1.63/1.85  Otter interrupted
% 1.63/1.85  PROOF FOUND
%------------------------------------------------------------------------------