TSTP Solution File: SYN332+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN332+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n022.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 13:24:16 EDT 2022

% Result   : Theorem 2.04s 2.23s
% Output   : Refutation 2.04s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   15 (   3 unt;   6 nHn;   8 RR)
%            Number of literals    :   30 (   0 equ;  11 neg)
%            Maximal clause size   :    3 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    1 (   1 usr;   0 con; 2-2 aty)
%            Number of variables   :   25 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( ~ big_f(A,dollar_f1(A,B))
    | big_f(dollar_f1(A,B),A) ),
    file('SYN332+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ big_f(A,dollar_f1(A,B))
    | big_f(B,dollar_f1(A,B)) ),
    file('SYN332+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ big_f(A,B)
    | big_f(B,A)
    | ~ big_f(dollar_f1(B,A),dollar_f1(B,A)) ),
    file('SYN332+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( big_f(A,B)
    | big_f(B,A)
    | ~ big_f(dollar_f1(A,B),B) ),
    file('SYN332+1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ big_f(A,B)
    | ~ big_f(B,A)
    | ~ big_f(dollar_f1(A,B),B) ),
    file('SYN332+1.p',unknown),
    [] ).

cnf(13,plain,
    ( big_f(A,A)
    | ~ big_f(dollar_f1(A,A),A) ),
    inference(factor,[status(thm)],[10]),
    [iquote('factor,10.1.2')] ).

cnf(14,plain,
    ( ~ big_f(A,A)
    | ~ big_f(dollar_f1(A,A),A) ),
    inference(factor,[status(thm)],[11]),
    [iquote('factor,11.1.2')] ).

cnf(15,axiom,
    ( big_f(A,B)
    | big_f(A,dollar_f1(A,B)) ),
    file('SYN332+1.p',unknown),
    [] ).

cnf(31,plain,
    ( big_f(A,B)
    | big_f(B,dollar_f1(A,B)) ),
    inference(hyper,[status(thm)],[15,4]),
    [iquote('hyper,15,4')] ).

cnf(32,plain,
    ( big_f(A,B)
    | big_f(dollar_f1(A,B),A) ),
    inference(hyper,[status(thm)],[15,2]),
    [iquote('hyper,15,2')] ).

cnf(213,plain,
    big_f(A,A),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[32,13])]),
    [iquote('hyper,32,13,factor_simp')] ).

cnf(250,plain,
    ( big_f(dollar_f1(A,B),B)
    | big_f(A,B) ),
    inference(hyper,[status(thm)],[213,7,31]),
    [iquote('hyper,213,7,31')] ).

cnf(798,plain,
    ( big_f(A,B)
    | big_f(B,A) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[250,10])]),
    [iquote('hyper,250,10,factor_simp')] ).

cnf(1057,plain,
    big_f(A,B),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[798,7,213])]),
    [iquote('hyper,798,7,213,factor_simp')] ).

cnf(1058,plain,
    $false,
    inference(hyper,[status(thm)],[1057,14,1057]),
    [iquote('hyper,1057,14,1057')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYN332+1 : TPTP v8.1.0. Released v2.0.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n022.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 11:22:20 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.04/2.23  ----- Otter 3.3f, August 2004 -----
% 2.04/2.23  The process was started by sandbox2 on n022.cluster.edu,
% 2.04/2.23  Wed Jul 27 11:22:20 2022
% 2.04/2.23  The command was "./otter".  The process ID is 18813.
% 2.04/2.23  
% 2.04/2.23  set(prolog_style_variables).
% 2.04/2.23  set(auto).
% 2.04/2.23     dependent: set(auto1).
% 2.04/2.23     dependent: set(process_input).
% 2.04/2.23     dependent: clear(print_kept).
% 2.04/2.23     dependent: clear(print_new_demod).
% 2.04/2.23     dependent: clear(print_back_demod).
% 2.04/2.23     dependent: clear(print_back_sub).
% 2.04/2.23     dependent: set(control_memory).
% 2.04/2.23     dependent: assign(max_mem, 12000).
% 2.04/2.23     dependent: assign(pick_given_ratio, 4).
% 2.04/2.23     dependent: assign(stats_level, 1).
% 2.04/2.23     dependent: assign(max_seconds, 10800).
% 2.04/2.23  clear(print_given).
% 2.04/2.23  
% 2.04/2.23  formula_list(usable).
% 2.04/2.23  -(exists X Y all Z (-(big_f(X,Y)&big_f(Y,X)<->big_f(X,Z))-> ((big_f(X,Z)<->big_f(Z,X))-> ((big_f(X,Z)<->big_f(Y,Z))-> (((big_f(Y,X)->big_f(X,Y))<->big_f(Z,Z))-> ((big_f(X,Y)<->big_f(Y,X))<->big_f(Z,Y))))))).
% 2.04/2.23  end_of_list.
% 2.04/2.23  
% 2.04/2.23  -------> usable clausifies to:
% 2.04/2.23  
% 2.04/2.23  list(usable).
% 2.04/2.23  0 [] big_f(X,Y)|big_f(X,$f1(X,Y)).
% 2.04/2.23  0 [] big_f(Y,X)|big_f(X,$f1(X,Y)).
% 2.04/2.23  0 [] -big_f(X,Y)| -big_f(Y,X)| -big_f(X,$f1(X,Y)).
% 2.04/2.23  0 [] -big_f(X,$f1(X,Y))|big_f($f1(X,Y),X).
% 2.04/2.23  0 [] big_f(X,$f1(X,Y))| -big_f($f1(X,Y),X).
% 2.04/2.23  0 [] -big_f(X,$f1(X,Y))|big_f(Y,$f1(X,Y)).
% 2.04/2.23  0 [] big_f(X,$f1(X,Y))| -big_f(Y,$f1(X,Y)).
% 2.04/2.23  0 [] big_f(Y,X)|big_f($f1(X,Y),$f1(X,Y)).
% 2.04/2.23  0 [] -big_f(X,Y)|big_f($f1(X,Y),$f1(X,Y)).
% 2.04/2.23  0 [] -big_f(Y,X)|big_f(X,Y)| -big_f($f1(X,Y),$f1(X,Y)).
% 2.04/2.23  0 [] -big_f(X,Y)|big_f(Y,X)|big_f($f1(X,Y),Y).
% 2.04/2.23  0 [] big_f(X,Y)| -big_f(Y,X)|big_f($f1(X,Y),Y).
% 2.04/2.23  0 [] big_f(X,Y)|big_f(Y,X)| -big_f($f1(X,Y),Y).
% 2.04/2.23  0 [] -big_f(X,Y)| -big_f(Y,X)| -big_f($f1(X,Y),Y).
% 2.04/2.23  end_of_list.
% 2.04/2.23  
% 2.04/2.23  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=3.
% 2.04/2.23  
% 2.04/2.23  This is a non-Horn set without equality.  The strategy will
% 2.04/2.23  be ordered hyper_res, unit deletion, and factoring, with
% 2.04/2.23  satellites in sos and with nuclei in usable.
% 2.04/2.23  
% 2.04/2.23     dependent: set(hyper_res).
% 2.04/2.23     dependent: set(factor).
% 2.04/2.23     dependent: set(unit_deletion).
% 2.04/2.23  
% 2.04/2.23  ------------> process usable:
% 2.04/2.23  ** KEPT (pick-wt=11): 1 [] -big_f(A,B)| -big_f(B,A)| -big_f(A,$f1(A,B)).
% 2.04/2.23  ** KEPT (pick-wt=10): 2 [] -big_f(A,$f1(A,B))|big_f($f1(A,B),A).
% 2.04/2.23  ** KEPT (pick-wt=10): 3 [] big_f(A,$f1(A,B))| -big_f($f1(A,B),A).
% 2.04/2.23  ** KEPT (pick-wt=10): 4 [] -big_f(A,$f1(A,B))|big_f(B,$f1(A,B)).
% 2.04/2.23  ** KEPT (pick-wt=10): 5 [] big_f(A,$f1(A,B))| -big_f(B,$f1(A,B)).
% 2.04/2.23  ** KEPT (pick-wt=10): 6 [] -big_f(A,B)|big_f($f1(A,B),$f1(A,B)).
% 2.04/2.23  ** KEPT (pick-wt=13): 7 [] -big_f(A,B)|big_f(B,A)| -big_f($f1(B,A),$f1(B,A)).
% 2.04/2.23  ** KEPT (pick-wt=11): 8 [] -big_f(A,B)|big_f(B,A)|big_f($f1(A,B),B).
% 2.04/2.23  ** KEPT (pick-wt=11): 9 [] big_f(A,B)| -big_f(B,A)|big_f($f1(A,B),B).
% 2.04/2.23  ** KEPT (pick-wt=11): 10 [] big_f(A,B)|big_f(B,A)| -big_f($f1(A,B),B).
% 2.04/2.23  ** KEPT (pick-wt=11): 11 [] -big_f(A,B)| -big_f(B,A)| -big_f($f1(A,B),B).
% 2.04/2.23  
% 2.04/2.23  ------------> process sos:
% 2.04/2.23  ** KEPT (pick-wt=8): 15 [] big_f(A,B)|big_f(A,$f1(A,B)).
% 2.04/2.23  ** KEPT (pick-wt=8): 16 [] big_f(A,B)|big_f(B,$f1(B,A)).
% 2.04/2.23  ** KEPT (pick-wt=10): 17 [] big_f(A,B)|big_f($f1(B,A),$f1(B,A)).
% 2.04/2.23  
% 2.04/2.23  ======= end of input processing =======
% 2.04/2.23  
% 2.04/2.23  =========== start of search ===========
% 2.04/2.23  
% 2.04/2.23  -------- PROOF -------- 
% 2.04/2.23  
% 2.04/2.23  -----> EMPTY CLAUSE at   0.39 sec ----> 1058 [hyper,1057,14,1057] $F.
% 2.04/2.23  
% 2.04/2.23  Length of proof is 8.  Level of proof is 5.
% 2.04/2.23  
% 2.04/2.23  ---------------- PROOF ----------------
% 2.04/2.23  % SZS status Theorem
% 2.04/2.23  % SZS output start Refutation
% See solution above
% 2.04/2.23  ------------ end of proof -------------
% 2.04/2.23  
% 2.04/2.23  
% 2.04/2.23  Search stopped by max_proofs option.
% 2.04/2.23  
% 2.04/2.23  
% 2.04/2.23  Search stopped by max_proofs option.
% 2.04/2.23  
% 2.04/2.23  ============ end of search ============
% 2.04/2.23  
% 2.04/2.23  -------------- statistics -------------
% 2.04/2.23  clauses given                 16
% 2.04/2.23  clauses generated          13236
% 2.04/2.23  clauses kept                1057
% 2.04/2.23  clauses forward subsumed   12192
% 2.04/2.23  clauses back subsumed       1052
% 2.04/2.23  Kbytes malloced              976
% 2.04/2.23  
% 2.04/2.23  ----------- times (seconds) -----------
% 2.04/2.23  user CPU time          0.39          (0 hr, 0 min, 0 sec)
% 2.04/2.23  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.04/2.23  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.04/2.23  
% 2.04/2.23  That finishes the proof of the theorem.
% 2.04/2.23  
% 2.04/2.23  Process 18813 finished Wed Jul 27 11:22:22 2022
% 2.04/2.23  Otter interrupted
% 2.04/2.23  PROOF FOUND
%------------------------------------------------------------------------------