TSTP Solution File: SYN943+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN943+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n018.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 13:25:32 EDT 2022

% Result   : Theorem 1.69s 1.89s
% Output   : Refutation 1.69s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   13 (   6 unt;   4 nHn;  13 RR)
%            Number of literals    :   22 (   0 equ;   7 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   1 con; 0-1 aty)
%            Number of variables   :    5 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ e(A)
    | g(A)
    | s(A,f(A)) ),
    file('SYN943+1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ e(A)
    | g(A)
    | c(f(A)) ),
    file('SYN943+1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ s(dollar_c1,A)
    | p(A) ),
    file('SYN943+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ p(A)
    | ~ g(A) ),
    file('SYN943+1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ p(A)
    | ~ c(A) ),
    file('SYN943+1.p',unknown),
    [] ).

cnf(6,axiom,
    p(dollar_c1),
    file('SYN943+1.p',unknown),
    [] ).

cnf(7,axiom,
    e(dollar_c1),
    file('SYN943+1.p',unknown),
    [] ).

cnf(8,plain,
    ( g(dollar_c1)
    | c(f(dollar_c1)) ),
    inference(hyper,[status(thm)],[7,2]),
    [iquote('hyper,7,2')] ).

cnf(9,plain,
    ( g(dollar_c1)
    | s(dollar_c1,f(dollar_c1)) ),
    inference(hyper,[status(thm)],[7,1]),
    [iquote('hyper,7,1')] ).

cnf(10,plain,
    c(f(dollar_c1)),
    inference(hyper,[status(thm)],[8,4,6]),
    [iquote('hyper,8,4,6')] ).

cnf(11,plain,
    s(dollar_c1,f(dollar_c1)),
    inference(hyper,[status(thm)],[9,4,6]),
    [iquote('hyper,9,4,6')] ).

cnf(12,plain,
    p(f(dollar_c1)),
    inference(hyper,[status(thm)],[11,3]),
    [iquote('hyper,11,3')] ).

cnf(13,plain,
    $false,
    inference(hyper,[status(thm)],[12,5,10]),
    [iquote('hyper,12,5,10')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYN943+1 : TPTP v8.1.0. Released v3.1.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n018.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 11:00:16 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.69/1.89  ----- Otter 3.3f, August 2004 -----
% 1.69/1.89  The process was started by sandbox2 on n018.cluster.edu,
% 1.69/1.89  Wed Jul 27 11:00:16 2022
% 1.69/1.89  The command was "./otter".  The process ID is 31201.
% 1.69/1.89  
% 1.69/1.89  set(prolog_style_variables).
% 1.69/1.89  set(auto).
% 1.69/1.89     dependent: set(auto1).
% 1.69/1.89     dependent: set(process_input).
% 1.69/1.89     dependent: clear(print_kept).
% 1.69/1.89     dependent: clear(print_new_demod).
% 1.69/1.89     dependent: clear(print_back_demod).
% 1.69/1.89     dependent: clear(print_back_sub).
% 1.69/1.89     dependent: set(control_memory).
% 1.69/1.89     dependent: assign(max_mem, 12000).
% 1.69/1.89     dependent: assign(pick_given_ratio, 4).
% 1.69/1.89     dependent: assign(stats_level, 1).
% 1.69/1.89     dependent: assign(max_seconds, 10800).
% 1.69/1.89  clear(print_given).
% 1.69/1.89  
% 1.69/1.89  formula_list(usable).
% 1.69/1.89  -(all A exists X X2 X3 X4 Y (p(A)&e(A)& (e(X)->g(X)|s(X,f(X)))& (e(X2)->g(X2)|c(f(X2)))& (s(A,Y)->p(Y))->p(X3)&g(X3)|p(X4)&c(X4))).
% 1.69/1.89  end_of_list.
% 1.69/1.89  
% 1.69/1.89  -------> usable clausifies to:
% 1.69/1.89  
% 1.69/1.89  list(usable).
% 1.69/1.89  0 [] p($c1).
% 1.69/1.89  0 [] e($c1).
% 1.69/1.89  0 [] -e(X)|g(X)|s(X,f(X)).
% 1.69/1.89  0 [] -e(X2)|g(X2)|c(f(X2)).
% 1.69/1.89  0 [] -s($c1,Y)|p(Y).
% 1.69/1.89  0 [] -p(X3)| -g(X3).
% 1.69/1.89  0 [] -p(X4)| -c(X4).
% 1.69/1.89  end_of_list.
% 1.69/1.89  
% 1.69/1.89  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=3.
% 1.69/1.89  
% 1.69/1.89  This is a non-Horn set without equality.  The strategy will
% 1.69/1.89  be ordered hyper_res, unit deletion, and factoring, with
% 1.69/1.89  satellites in sos and with nuclei in usable.
% 1.69/1.89  
% 1.69/1.89     dependent: set(hyper_res).
% 1.69/1.89     dependent: set(factor).
% 1.69/1.89     dependent: set(unit_deletion).
% 1.69/1.89  
% 1.69/1.89  ------------> process usable:
% 1.69/1.89  ** KEPT (pick-wt=8): 1 [] -e(A)|g(A)|s(A,f(A)).
% 1.69/1.89  ** KEPT (pick-wt=7): 2 [] -e(A)|g(A)|c(f(A)).
% 1.69/1.89  ** KEPT (pick-wt=5): 3 [] -s($c1,A)|p(A).
% 1.69/1.89  ** KEPT (pick-wt=4): 4 [] -p(A)| -g(A).
% 1.69/1.89  ** KEPT (pick-wt=4): 5 [] -p(A)| -c(A).
% 1.69/1.89  
% 1.69/1.89  ------------> process sos:
% 1.69/1.89  ** KEPT (pick-wt=2): 6 [] p($c1).
% 1.69/1.89  ** KEPT (pick-wt=2): 7 [] e($c1).
% 1.69/1.89  
% 1.69/1.89  ======= end of input processing =======
% 1.69/1.89  
% 1.69/1.89  =========== start of search ===========
% 1.69/1.89  
% 1.69/1.89  -------- PROOF -------- 
% 1.69/1.89  
% 1.69/1.89  -----> EMPTY CLAUSE at   0.00 sec ----> 13 [hyper,12,5,10] $F.
% 1.69/1.89  
% 1.69/1.89  Length of proof is 5.  Level of proof is 3.
% 1.69/1.89  
% 1.69/1.89  ---------------- PROOF ----------------
% 1.69/1.89  % SZS status Theorem
% 1.69/1.89  % SZS output start Refutation
% See solution above
% 1.69/1.89  ------------ end of proof -------------
% 1.69/1.89  
% 1.69/1.89  
% 1.69/1.89  Search stopped by max_proofs option.
% 1.69/1.89  
% 1.69/1.89  
% 1.69/1.89  Search stopped by max_proofs option.
% 1.69/1.89  
% 1.69/1.89  ============ end of search ============
% 1.69/1.89  
% 1.69/1.89  -------------- statistics -------------
% 1.69/1.89  clauses given                  7
% 1.69/1.89  clauses generated              6
% 1.69/1.89  clauses kept                  12
% 1.69/1.89  clauses forward subsumed       0
% 1.69/1.89  clauses back subsumed          2
% 1.69/1.89  Kbytes malloced              976
% 1.69/1.89  
% 1.69/1.89  ----------- times (seconds) -----------
% 1.69/1.89  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.69/1.89  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.69/1.89  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.69/1.89  
% 1.69/1.89  That finishes the proof of the theorem.
% 1.69/1.89  
% 1.69/1.89  Process 31201 finished Wed Jul 27 11:00:18 2022
% 1.69/1.89  Otter interrupted
% 1.69/1.89  PROOF FOUND
%------------------------------------------------------------------------------