TSTP Solution File: SYN932+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN932+1 : TPTP v8.1.0. Released v3.1.0.
% 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 13:25:31 EDT 2022

% Result   : Theorem 1.67s 1.91s
% Output   : Refutation 1.67s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    0
%            Number of leaves      :    1
% Syntax   : Number of clauses     :    1 (   1 unt;   0 nHn;   1 RR)
%            Number of literals    :    1 (   0 equ;   0 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    0 (   0 avg)
%            Number of predicates  :    1 (   0 usr;   1 prp; 0-0 aty)
%            Number of functors    :    0 (   0 usr;   0 con; --- aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    $false,
    file('SYN932+1.p',unknown),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SYN932+1 : TPTP v8.1.0. Released v3.1.0.
% 0.06/0.12  % 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 10:44:18 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.67/1.91  
% 1.67/1.91  -------- PROOF -------- 
% 1.67/1.91  ----- Otter 3.3f, August 2004 -----
% 1.67/1.91  The process was started by sandbox on n017.cluster.edu,
% 1.67/1.91  Wed Jul 27 10:44:18 2022
% 1.67/1.91  The command was "./otter".  The process ID is 5308.
% 1.67/1.91  
% 1.67/1.91  set(prolog_style_variables).
% 1.67/1.91  set(auto).
% 1.67/1.91     dependent: set(auto1).
% 1.67/1.91     dependent: set(process_input).
% 1.67/1.91     dependent: clear(print_kept).
% 1.67/1.91     dependent: clear(print_new_demod).
% 1.67/1.91     dependent: clear(print_back_demod).
% 1.67/1.91     dependent: clear(print_back_sub).
% 1.67/1.91     dependent: set(control_memory).
% 1.67/1.91     dependent: assign(max_mem, 12000).
% 1.67/1.91     dependent: assign(pick_given_ratio, 4).
% 1.67/1.91     dependent: assign(stats_level, 1).
% 1.67/1.91     dependent: assign(max_seconds, 10800).
% 1.67/1.91  clear(print_given).
% 1.67/1.91  
% 1.67/1.91  formula_list(usable).
% 1.67/1.91  -((exists X c)<->c).
% 1.67/1.91  end_of_list.
% 1.67/1.91  
% 1.67/1.91  -------> usable clausifies to:
% 1.67/1.91  
% 1.67/1.91  list(usable).
% 1.67/1.91  0 [] $F.
% 1.67/1.91  end_of_list.
% 1.67/1.91  
% 1.67/1.91  SCAN INPUT: prop=1, horn=1, equality=0, symmetry=0, max_lits=0.
% 1.67/1.91  
% 1.67/1.91  The clause set is propositional; the strategy will be
% 1.67/1.91  ordered hyperresolution with the propositional
% 1.67/1.91  optimizations, with satellites in sos and nuclei in usable.
% 1.67/1.91  
% 1.67/1.91     dependent: set(hyper_res).
% 1.67/1.91     dependent: set(propositional).
% 1.67/1.91     dependent: set(sort_literals).
% 1.67/1.91  
% 1.67/1.91  ------------> process usable:
% 1.67/1.91  
% 1.67/1.91  ------------> process sos:
% 1.67/1.91  ** KEPT (pick-wt=0): 1 [] $F.
% 1.67/1.91  
% 1.67/1.91  -----> EMPTY CLAUSE at   0.00 sec ----> 1 [] $F.
% 1.67/1.91  
% 1.67/1.91  Length of proof is -1.  Level of proof is -1.
% 1.67/1.91  
% 1.67/1.91  ---------------- PROOF ----------------
% 1.67/1.91  % SZS status Theorem
% 1.67/1.91  % SZS output start Refutation
% See solution above
% 1.67/1.91  ------------ end of proof -------------
% 1.67/1.91  
% 1.67/1.91  
% 1.67/1.91  Search stopped by max_proofs option.
% 1.67/1.91  
% 1.67/1.91  
% 1.67/1.91  Search stopped by max_proofs option.
% 1.67/1.91  
% 1.67/1.91  ============ end of search ============
% 1.67/1.91  
% 1.67/1.91  -------------- statistics -------------
% 1.67/1.91  clauses given                  0
% 1.67/1.91  clauses generated              0
% 1.67/1.91  clauses kept                   0
% 1.67/1.91  clauses forward subsumed       0
% 1.67/1.91  clauses back subsumed          0
% 1.67/1.91  Kbytes malloced              976
% 1.67/1.91  
% 1.67/1.91  ----------- times (seconds) -----------
% 1.67/1.91  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.67/1.91  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.67/1.91  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.67/1.91  
% 1.67/1.91  That finishes the proof of the theorem.
% 1.67/1.91  
% 1.67/1.91  Process 5308 finished Wed Jul 27 10:44:19 2022
% 1.67/1.91  Otter interrupted
% 1.67/1.91  PROOF FOUND
%------------------------------------------------------------------------------