TSTP Solution File: KRS071+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KRS071+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n013.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 13:01:04 EDT 2022

% Result   : Unsatisfiable 2.35s 2.51s
% Output   : Refutation 2.35s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   13
% Syntax   : Number of clauses     :   26 (  10 unt;   5 nHn;  26 RR)
%            Number of literals    :   51 (  14 equ;  20 neg)
%            Maximal clause size   :    7 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-1 aty)
%            Number of variables   :   17 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(5,axiom,
    ( A != B
    | ~ cp2(A)
    | cp2(B) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(6,axiom,
    ( A != B
    | ~ cp3(A)
    | cp3(B) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ cUnsatisfiable(A)
    | rr(A,dollar_f1(A)) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ cUnsatisfiable(A)
    | cp1(dollar_f1(A)) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(19,axiom,
    ( ~ cUnsatisfiable(A)
    | rr(A,dollar_f2(A)) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(20,axiom,
    ( ~ cUnsatisfiable(A)
    | cp2(dollar_f2(A)) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(21,axiom,
    ( ~ cUnsatisfiable(A)
    | rr(A,dollar_f3(A)) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(22,axiom,
    ( ~ cUnsatisfiable(A)
    | cp3(dollar_f3(A)) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ cUnsatisfiable(A)
    | ~ rr(A,B)
    | ~ rr(A,C)
    | ~ rr(A,D)
    | B = C
    | B = D
    | C = D ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(31,axiom,
    ( ~ cp1(A)
    | ~ cp2(A) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(32,axiom,
    ( ~ cp1(A)
    | ~ cp3(A) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(35,axiom,
    ( ~ cp2(A)
    | ~ cp3(A) ),
    file('KRS071+1.p',unknown),
    [] ).

cnf(46,axiom,
    cUnsatisfiable(i2003_11_14_17_18_39380),
    file('KRS071+1.p',unknown),
    [] ).

cnf(47,plain,
    cp3(dollar_f3(i2003_11_14_17_18_39380)),
    inference(hyper,[status(thm)],[46,22]),
    [iquote('hyper,46,22')] ).

cnf(48,plain,
    rr(i2003_11_14_17_18_39380,dollar_f3(i2003_11_14_17_18_39380)),
    inference(hyper,[status(thm)],[46,21]),
    [iquote('hyper,46,21')] ).

cnf(49,plain,
    cp2(dollar_f2(i2003_11_14_17_18_39380)),
    inference(hyper,[status(thm)],[46,20]),
    [iquote('hyper,46,20')] ).

cnf(50,plain,
    rr(i2003_11_14_17_18_39380,dollar_f2(i2003_11_14_17_18_39380)),
    inference(hyper,[status(thm)],[46,19]),
    [iquote('hyper,46,19')] ).

cnf(51,plain,
    cp1(dollar_f1(i2003_11_14_17_18_39380)),
    inference(hyper,[status(thm)],[46,18]),
    [iquote('hyper,46,18')] ).

cnf(52,plain,
    rr(i2003_11_14_17_18_39380,dollar_f1(i2003_11_14_17_18_39380)),
    inference(hyper,[status(thm)],[46,17]),
    [iquote('hyper,46,17')] ).

cnf(95,plain,
    ( dollar_f3(i2003_11_14_17_18_39380) = dollar_f2(i2003_11_14_17_18_39380)
    | dollar_f2(i2003_11_14_17_18_39380) = dollar_f1(i2003_11_14_17_18_39380)
    | dollar_f3(i2003_11_14_17_18_39380) = dollar_f1(i2003_11_14_17_18_39380) ),
    inference(flip,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[52,23,46,50,48])]),
    [iquote('hyper,52,23,46,50,48,flip.1')] ).

cnf(198,plain,
    ( dollar_f2(i2003_11_14_17_18_39380) = dollar_f1(i2003_11_14_17_18_39380)
    | dollar_f3(i2003_11_14_17_18_39380) = dollar_f1(i2003_11_14_17_18_39380)
    | cp3(dollar_f2(i2003_11_14_17_18_39380)) ),
    inference(hyper,[status(thm)],[95,6,47]),
    [iquote('hyper,95,6,47')] ).

cnf(303,plain,
    ( dollar_f2(i2003_11_14_17_18_39380) = dollar_f1(i2003_11_14_17_18_39380)
    | dollar_f3(i2003_11_14_17_18_39380) = dollar_f1(i2003_11_14_17_18_39380) ),
    inference(hyper,[status(thm)],[198,35,49]),
    [iquote('hyper,198,35,49')] ).

cnf(305,plain,
    ( dollar_f3(i2003_11_14_17_18_39380) = dollar_f1(i2003_11_14_17_18_39380)
    | cp2(dollar_f1(i2003_11_14_17_18_39380)) ),
    inference(hyper,[status(thm)],[303,5,49]),
    [iquote('hyper,303,5,49')] ).

cnf(343,plain,
    dollar_f3(i2003_11_14_17_18_39380) = dollar_f1(i2003_11_14_17_18_39380),
    inference(hyper,[status(thm)],[305,31,51]),
    [iquote('hyper,305,31,51')] ).

cnf(353,plain,
    cp3(dollar_f1(i2003_11_14_17_18_39380)),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[47]),343]),
    [iquote('back_demod,47,demod,343')] ).

cnf(354,plain,
    $false,
    inference(hyper,[status(thm)],[353,32,51]),
    [iquote('hyper,353,32,51')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : KRS071+1 : TPTP v8.1.0. Released v3.1.0.
% 0.10/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n013.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 03:25:15 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.00/2.20  ----- Otter 3.3f, August 2004 -----
% 2.00/2.20  The process was started by sandbox on n013.cluster.edu,
% 2.00/2.20  Wed Jul 27 03:25:15 2022
% 2.00/2.20  The command was "./otter".  The process ID is 11027.
% 2.00/2.20  
% 2.00/2.20  set(prolog_style_variables).
% 2.00/2.20  set(auto).
% 2.00/2.20     dependent: set(auto1).
% 2.00/2.20     dependent: set(process_input).
% 2.00/2.20     dependent: clear(print_kept).
% 2.00/2.20     dependent: clear(print_new_demod).
% 2.00/2.20     dependent: clear(print_back_demod).
% 2.00/2.20     dependent: clear(print_back_sub).
% 2.00/2.20     dependent: set(control_memory).
% 2.00/2.20     dependent: assign(max_mem, 12000).
% 2.00/2.20     dependent: assign(pick_given_ratio, 4).
% 2.00/2.20     dependent: assign(stats_level, 1).
% 2.00/2.20     dependent: assign(max_seconds, 10800).
% 2.00/2.20  clear(print_given).
% 2.00/2.20  
% 2.00/2.20  formula_list(usable).
% 2.00/2.20  all A (A=A).
% 2.00/2.20  all A B (A=B&cUnsatisfiable(A)->cUnsatisfiable(B)).
% 2.00/2.20  all A B (A=B&cowlNothing(A)->cowlNothing(B)).
% 2.00/2.20  all A B (A=B&cowlThing(A)->cowlThing(B)).
% 2.00/2.20  all A B (A=B&cp1(A)->cp1(B)).
% 2.00/2.20  all A B (A=B&cp2(A)->cp2(B)).
% 2.00/2.20  all A B (A=B&cp3(A)->cp3(B)).
% 2.00/2.20  all A B (A=B&cp4(A)->cp4(B)).
% 2.00/2.20  all A B (A=B&cp5(A)->cp5(B)).
% 2.00/2.20  all A B C (A=B&rinvR(A,C)->rinvR(B,C)).
% 2.00/2.20  all A B C (A=B&rinvR(C,A)->rinvR(C,B)).
% 2.00/2.20  all A B C (A=B&rr(A,C)->rr(B,C)).
% 2.00/2.20  all A B C (A=B&rr(C,A)->rr(C,B)).
% 2.00/2.20  all A B (A=B&xsd_integer(A)->xsd_integer(B)).
% 2.00/2.20  all A B (A=B&xsd_string(A)->xsd_string(B)).
% 2.00/2.20  all X (cowlThing(X)& -cowlNothing(X)).
% 2.00/2.20  all X (xsd_string(X)<-> -xsd_integer(X)).
% 2.00/2.20  all X (cUnsatisfiable(X)<-> (exists Y (rr(X,Y)&cp1(Y)))& (exists Y (rr(X,Y)&cp2(Y)))& (exists Y (rr(X,Y)&cp3(Y)))& (all Y0 Y1 Y2 (rr(X,Y0)&rr(X,Y1)&rr(X,Y2)->Y0=Y1|Y0=Y2|Y1=Y2))).
% 2.00/2.20  all X (cp1(X)-> -(cp4(X)|cp2(X)|cp3(X)|cp5(X))).
% 2.00/2.20  all X (cp2(X)-> -(cp4(X)|cp3(X)|cp5(X))).
% 2.00/2.20  all X (cp3(X)-> -(cp4(X)|cp5(X))).
% 2.00/2.20  all X (cp4(X)-> -cp5(X)).
% 2.00/2.20  all X Y (rinvR(X,Y)<->rr(Y,X)).
% 2.00/2.20  cUnsatisfiable(i2003_11_14_17_18_39380).
% 2.00/2.20  end_of_list.
% 2.00/2.20  
% 2.00/2.20  -------> usable clausifies to:
% 2.00/2.20  
% 2.00/2.20  list(usable).
% 2.00/2.20  0 [] A=A.
% 2.00/2.20  0 [] A!=B| -cUnsatisfiable(A)|cUnsatisfiable(B).
% 2.00/2.20  0 [] A!=B| -cowlNothing(A)|cowlNothing(B).
% 2.00/2.20  0 [] A!=B| -cowlThing(A)|cowlThing(B).
% 2.00/2.20  0 [] A!=B| -cp1(A)|cp1(B).
% 2.00/2.20  0 [] A!=B| -cp2(A)|cp2(B).
% 2.00/2.20  0 [] A!=B| -cp3(A)|cp3(B).
% 2.00/2.20  0 [] A!=B| -cp4(A)|cp4(B).
% 2.00/2.20  0 [] A!=B| -cp5(A)|cp5(B).
% 2.00/2.20  0 [] A!=B| -rinvR(A,C)|rinvR(B,C).
% 2.00/2.20  0 [] A!=B| -rinvR(C,A)|rinvR(C,B).
% 2.00/2.20  0 [] A!=B| -rr(A,C)|rr(B,C).
% 2.00/2.20  0 [] A!=B| -rr(C,A)|rr(C,B).
% 2.00/2.20  0 [] A!=B| -xsd_integer(A)|xsd_integer(B).
% 2.00/2.20  0 [] A!=B| -xsd_string(A)|xsd_string(B).
% 2.00/2.20  0 [] cowlThing(X).
% 2.00/2.20  0 [] -cowlNothing(X).
% 2.00/2.20  0 [] -xsd_string(X)| -xsd_integer(X).
% 2.00/2.20  0 [] xsd_string(X)|xsd_integer(X).
% 2.00/2.20  0 [] -cUnsatisfiable(X)|rr(X,$f1(X)).
% 2.00/2.20  0 [] -cUnsatisfiable(X)|cp1($f1(X)).
% 2.00/2.20  0 [] -cUnsatisfiable(X)|rr(X,$f2(X)).
% 2.00/2.20  0 [] -cUnsatisfiable(X)|cp2($f2(X)).
% 2.00/2.20  0 [] -cUnsatisfiable(X)|rr(X,$f3(X)).
% 2.00/2.20  0 [] -cUnsatisfiable(X)|cp3($f3(X)).
% 2.00/2.20  0 [] -cUnsatisfiable(X)| -rr(X,Y0)| -rr(X,Y1)| -rr(X,Y2)|Y0=Y1|Y0=Y2|Y1=Y2.
% 2.00/2.20  0 [] cUnsatisfiable(X)| -rr(X,Y)| -cp1(Y)| -rr(X,X1)| -cp2(X1)| -rr(X,X2)| -cp3(X2)|rr(X,$f6(X)).
% 2.00/2.20  0 [] cUnsatisfiable(X)| -rr(X,Y)| -cp1(Y)| -rr(X,X1)| -cp2(X1)| -rr(X,X2)| -cp3(X2)|rr(X,$f5(X)).
% 2.00/2.20  0 [] cUnsatisfiable(X)| -rr(X,Y)| -cp1(Y)| -rr(X,X1)| -cp2(X1)| -rr(X,X2)| -cp3(X2)|rr(X,$f4(X)).
% 2.00/2.20  0 [] cUnsatisfiable(X)| -rr(X,Y)| -cp1(Y)| -rr(X,X1)| -cp2(X1)| -rr(X,X2)| -cp3(X2)|$f6(X)!=$f5(X).
% 2.00/2.20  0 [] cUnsatisfiable(X)| -rr(X,Y)| -cp1(Y)| -rr(X,X1)| -cp2(X1)| -rr(X,X2)| -cp3(X2)|$f6(X)!=$f4(X).
% 2.00/2.20  0 [] cUnsatisfiable(X)| -rr(X,Y)| -cp1(Y)| -rr(X,X1)| -cp2(X1)| -rr(X,X2)| -cp3(X2)|$f5(X)!=$f4(X).
% 2.00/2.20  0 [] -cp1(X)| -cp4(X).
% 2.00/2.20  0 [] -cp1(X)| -cp2(X).
% 2.00/2.20  0 [] -cp1(X)| -cp3(X).
% 2.00/2.20  0 [] -cp1(X)| -cp5(X).
% 2.00/2.20  0 [] -cp2(X)| -cp4(X).
% 2.00/2.20  0 [] -cp2(X)| -cp3(X).
% 2.00/2.20  0 [] -cp2(X)| -cp5(X).
% 2.00/2.20  0 [] -cp3(X)| -cp4(X).
% 2.00/2.20  0 [] -cp3(X)| -cp5(X).
% 2.00/2.20  0 [] -cp4(X)| -cp5(X).
% 2.00/2.20  0 [] -rinvR(X,Y)|rr(Y,X).
% 2.00/2.20  0 [] rinvR(X,Y)| -rr(Y,X).
% 2.00/2.20  0 [] cUnsatisfiable(i2003_11_14_17_18_39380).
% 2.00/2.20  end_of_list.
% 2.00/2.20  
% 2.00/2.20  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=8.
% 2.00/2.20  
% 2.00/2.20  This ia a non-Horn set with equality.  The strategy will be
% 2.00/2.20  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.00/2.20  deletion, with positive clauses in sos and nonpositive
% 2.00/2.20  clauses in usable.
% 2.00/2.20  
% 2.00/2.20     dependent: set(knuth_bendix).
% 2.00/2.20     dependent: set(anl_eq).
% 2.00/2.20     dependent: set(para_from).
% 2.00/2.20     dependent: set(para_into).
% 2.00/2.20     dependent: clear(para_from_right).
% 2.00/2.20     dependent: clear(para_into_right).
% 2.00/2.20     dependent: set(para_from_vars).
% 2.00/2.20     dependent: set(eq_units_both_ways).
% 2.35/2.51     dependent: set(dynamic_demod_all).
% 2.35/2.51     dependent: set(dynamic_demod).
% 2.35/2.51     dependent: set(order_eq).
% 2.35/2.51     dependent: set(back_demod).
% 2.35/2.51     dependent: set(lrpo).
% 2.35/2.51     dependent: set(hyper_res).
% 2.35/2.51     dependent: set(unit_deletion).
% 2.35/2.51     dependent: set(factor).
% 2.35/2.51  
% 2.35/2.51  ------------> process usable:
% 2.35/2.51  ** KEPT (pick-wt=7): 1 [] A!=B| -cUnsatisfiable(A)|cUnsatisfiable(B).
% 2.35/2.51  ** KEPT (pick-wt=7): 2 [] A!=B| -cowlNothing(A)|cowlNothing(B).
% 2.35/2.51  ** KEPT (pick-wt=7): 3 [] A!=B| -cowlThing(A)|cowlThing(B).
% 2.35/2.51  ** KEPT (pick-wt=7): 4 [] A!=B| -cp1(A)|cp1(B).
% 2.35/2.51  ** KEPT (pick-wt=7): 5 [] A!=B| -cp2(A)|cp2(B).
% 2.35/2.51  ** KEPT (pick-wt=7): 6 [] A!=B| -cp3(A)|cp3(B).
% 2.35/2.51  ** KEPT (pick-wt=7): 7 [] A!=B| -cp4(A)|cp4(B).
% 2.35/2.51  ** KEPT (pick-wt=7): 8 [] A!=B| -cp5(A)|cp5(B).
% 2.35/2.51  ** KEPT (pick-wt=9): 9 [] A!=B| -rinvR(A,C)|rinvR(B,C).
% 2.35/2.51  ** KEPT (pick-wt=9): 10 [] A!=B| -rinvR(C,A)|rinvR(C,B).
% 2.35/2.51  ** KEPT (pick-wt=9): 11 [] A!=B| -rr(A,C)|rr(B,C).
% 2.35/2.51  ** KEPT (pick-wt=9): 12 [] A!=B| -rr(C,A)|rr(C,B).
% 2.35/2.51  ** KEPT (pick-wt=7): 13 [] A!=B| -xsd_integer(A)|xsd_integer(B).
% 2.35/2.51  ** KEPT (pick-wt=7): 14 [] A!=B| -xsd_string(A)|xsd_string(B).
% 2.35/2.51  ** KEPT (pick-wt=2): 15 [] -cowlNothing(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 16 [] -xsd_string(A)| -xsd_integer(A).
% 2.35/2.51  ** KEPT (pick-wt=6): 17 [] -cUnsatisfiable(A)|rr(A,$f1(A)).
% 2.35/2.51  ** KEPT (pick-wt=5): 18 [] -cUnsatisfiable(A)|cp1($f1(A)).
% 2.35/2.51  ** KEPT (pick-wt=6): 19 [] -cUnsatisfiable(A)|rr(A,$f2(A)).
% 2.35/2.51  ** KEPT (pick-wt=5): 20 [] -cUnsatisfiable(A)|cp2($f2(A)).
% 2.35/2.51  ** KEPT (pick-wt=6): 21 [] -cUnsatisfiable(A)|rr(A,$f3(A)).
% 2.35/2.51  ** KEPT (pick-wt=5): 22 [] -cUnsatisfiable(A)|cp3($f3(A)).
% 2.35/2.51  ** KEPT (pick-wt=20): 23 [] -cUnsatisfiable(A)| -rr(A,B)| -rr(A,C)| -rr(A,D)|B=C|B=D|C=D.
% 2.35/2.51  ** KEPT (pick-wt=21): 24 [] cUnsatisfiable(A)| -rr(A,B)| -cp1(B)| -rr(A,C)| -cp2(C)| -rr(A,D)| -cp3(D)|rr(A,$f6(A)).
% 2.35/2.51  ** KEPT (pick-wt=21): 25 [] cUnsatisfiable(A)| -rr(A,B)| -cp1(B)| -rr(A,C)| -cp2(C)| -rr(A,D)| -cp3(D)|rr(A,$f5(A)).
% 2.35/2.51  ** KEPT (pick-wt=21): 26 [] cUnsatisfiable(A)| -rr(A,B)| -cp1(B)| -rr(A,C)| -cp2(C)| -rr(A,D)| -cp3(D)|rr(A,$f4(A)).
% 2.35/2.51  ** KEPT (pick-wt=22): 27 [] cUnsatisfiable(A)| -rr(A,B)| -cp1(B)| -rr(A,C)| -cp2(C)| -rr(A,D)| -cp3(D)|$f6(A)!=$f5(A).
% 2.35/2.51  ** KEPT (pick-wt=22): 28 [] cUnsatisfiable(A)| -rr(A,B)| -cp1(B)| -rr(A,C)| -cp2(C)| -rr(A,D)| -cp3(D)|$f6(A)!=$f4(A).
% 2.35/2.51  ** KEPT (pick-wt=22): 29 [] cUnsatisfiable(A)| -rr(A,B)| -cp1(B)| -rr(A,C)| -cp2(C)| -rr(A,D)| -cp3(D)|$f5(A)!=$f4(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 30 [] -cp1(A)| -cp4(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 31 [] -cp1(A)| -cp2(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 32 [] -cp1(A)| -cp3(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 33 [] -cp1(A)| -cp5(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 34 [] -cp2(A)| -cp4(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 35 [] -cp2(A)| -cp3(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 36 [] -cp2(A)| -cp5(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 37 [] -cp3(A)| -cp4(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 38 [] -cp3(A)| -cp5(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 39 [] -cp4(A)| -cp5(A).
% 2.35/2.51  ** KEPT (pick-wt=6): 40 [] -rinvR(A,B)|rr(B,A).
% 2.35/2.51  ** KEPT (pick-wt=6): 41 [] rinvR(A,B)| -rr(B,A).
% 2.35/2.51  15 back subsumes 2.
% 2.35/2.51  
% 2.35/2.51  ------------> process sos:
% 2.35/2.51  ** KEPT (pick-wt=3): 43 [] A=A.
% 2.35/2.51  ** KEPT (pick-wt=2): 44 [] cowlThing(A).
% 2.35/2.51  ** KEPT (pick-wt=4): 45 [] xsd_string(A)|xsd_integer(A).
% 2.35/2.51  ** KEPT (pick-wt=2): 46 [] cUnsatisfiable(i2003_11_14_17_18_39380).
% 2.35/2.51    Following clause subsumed by 43 during input processing: 0 [copy,43,flip.1] A=A.
% 2.35/2.51  43 back subsumes 42.
% 2.35/2.51  44 back subsumes 3.
% 2.35/2.51  
% 2.35/2.51  ======= end of input processing =======
% 2.35/2.51  
% 2.35/2.51  =========== start of search ===========
% 2.35/2.51  
% 2.35/2.51  -------- PROOF -------- 
% 2.35/2.51  
% 2.35/2.51  -----> EMPTY CLAUSE at   0.32 sec ----> 354 [hyper,353,32,51] $F.
% 2.35/2.51  
% 2.35/2.51  Length of proof is 12.  Level of proof is 7.
% 2.35/2.51  
% 2.35/2.51  ---------------- PROOF ----------------
% 2.35/2.51  % SZS status Theorem
% 2.35/2.51  % SZS output start Refutation
% See solution above
% 2.35/2.51  ------------ end of proof -------------
% 2.35/2.51  
% 2.35/2.51  
% 2.35/2.51  Search stopped by max_proofs option.
% 2.35/2.51  
% 2.35/2.51  
% 2.35/2.51  Search stopped by max_proofs option.
% 2.35/2.51  
% 2.35/2.51  ============ end of search ============
% 2.35/2.51  
% 2.35/2.51  -------------- statistics -------------
% 2.35/2.51  clauses given                 20
% 2.35/2.51  clauses generated           2121
% 2.35/2.51  clauses kept                 352
% 2.35/2.51  clauses forward subsumed    1650
% 2.35/2.51  clauses back subsumed         70
% 2.35/2.51  Kbytes malloced             1953
% 2.35/2.51  
% 2.35/2.51  ----------- times (seconds) -----------
% 2.35/2.51  user CPU time          0.32          (0 hr, 0 min, 0 sec)
% 2.35/2.51  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.35/2.51  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.35/2.51  
% 2.35/2.51  That finishes the proof of the theorem.
% 2.35/2.51  
% 2.35/2.51  Process 11027 finished Wed Jul 27 03:25:17 2022
% 2.35/2.51  Otter interrupted
% 2.35/2.51  PROOF FOUND
%------------------------------------------------------------------------------