TSTP Solution File: SET595+3 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SET595+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.ffEKnCcpGN true

% Computer : n032.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 : Thu Aug 31 16:14:48 EDT 2023

% Result   : Theorem 182.07s 26.55s
% Output   : Refutation 182.07s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   67 (  13 unt;   8 typ;   0 def)
%            Number of atoms       :  126 (  24 equ;   0 cnn)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  582 (  31   ~;  56   |;   2   &; 484   @)
%                                         (   5 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   12 (  12   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   10 (   8 usr;   3 con; 0-2 aty)
%            Number of variables   :  127 (   0   ^; 127   !;   0   ?; 127   :)

% Comments : 
%------------------------------------------------------------------------------
thf(difference_type,type,
    difference: $i > $i > $i ).

thf(sk__type,type,
    sk_: $i > $i > $i ).

thf(sk__3_type,type,
    sk__3: $i ).

thf(member_type,type,
    member: $i > $i > $o ).

thf(union_type,type,
    union: $i > $i > $i ).

thf(sk__4_type,type,
    sk__4: $i ).

thf(sk__1_type,type,
    sk__1: $i > $i > $i ).

thf(subset_type,type,
    subset: $i > $i > $o ).

thf(subset_defn,axiom,
    ! [B: $i,C: $i] :
      ( ( subset @ B @ C )
    <=> ! [D: $i] :
          ( ( member @ D @ B )
         => ( member @ D @ C ) ) ) ).

thf(zip_derived_cl10,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X0 @ X1 )
      | ( member @ ( sk__1 @ X1 @ X0 ) @ X0 ) ),
    inference(cnf,[status(esa)],[subset_defn]) ).

thf(union_defn,axiom,
    ! [B: $i,C: $i,D: $i] :
      ( ( member @ D @ ( union @ B @ C ) )
    <=> ( ( member @ D @ B )
        | ( member @ D @ C ) ) ) ).

thf(zip_derived_cl3,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( member @ X0 @ ( union @ X1 @ X2 ) )
      | ~ ( member @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[union_defn]) ).

thf(zip_derived_cl9,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X0 @ X1 )
      | ~ ( member @ ( sk__1 @ X1 @ X0 ) @ X1 ) ),
    inference(cnf,[status(esa)],[subset_defn]) ).

thf(zip_derived_cl59,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( member @ ( sk__1 @ ( union @ X1 @ X0 ) @ X2 ) @ X1 )
      | ( subset @ X2 @ ( union @ X1 @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3,zip_derived_cl9]) ).

thf(difference_defn,axiom,
    ! [B: $i,C: $i,D: $i] :
      ( ( member @ D @ ( difference @ B @ C ) )
    <=> ( ( member @ D @ B )
        & ~ ( member @ D @ C ) ) ) ).

thf(zip_derived_cl7,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( member @ X0 @ ( difference @ X1 @ X2 ) )
      | ( member @ X0 @ X2 )
      | ~ ( member @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[difference_defn]) ).

thf(zip_derived_cl111,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ( subset @ X2 @ ( union @ ( difference @ X1 @ X0 ) @ X3 ) )
      | ( member @ ( sk__1 @ ( union @ ( difference @ X1 @ X0 ) @ X3 ) @ X2 ) @ X0 )
      | ~ ( member @ ( sk__1 @ ( union @ ( difference @ X1 @ X0 ) @ X3 ) @ X2 ) @ X1 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl59,zip_derived_cl7]) ).

thf(zip_derived_cl1168,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( subset @ X0 @ ( union @ ( difference @ X0 @ X2 ) @ X1 ) )
      | ( subset @ X0 @ ( union @ ( difference @ X0 @ X2 ) @ X1 ) )
      | ( member @ ( sk__1 @ ( union @ ( difference @ X0 @ X2 ) @ X1 ) @ X0 ) @ X2 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl10,zip_derived_cl111]) ).

thf(zip_derived_cl1182,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( member @ ( sk__1 @ ( union @ ( difference @ X0 @ X2 ) @ X1 ) @ X0 ) @ X2 )
      | ( subset @ X0 @ ( union @ ( difference @ X0 @ X2 ) @ X1 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl1168]) ).

thf(zip_derived_cl4,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( member @ X0 @ ( union @ X1 @ X2 ) )
      | ~ ( member @ X0 @ X2 ) ),
    inference(cnf,[status(esa)],[union_defn]) ).

thf(zip_derived_cl9_001,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X0 @ X1 )
      | ~ ( member @ ( sk__1 @ X1 @ X0 ) @ X1 ) ),
    inference(cnf,[status(esa)],[subset_defn]) ).

thf(zip_derived_cl72,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( member @ ( sk__1 @ ( union @ X1 @ X0 ) @ X2 ) @ X0 )
      | ( subset @ X2 @ ( union @ X1 @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl4,zip_derived_cl9]) ).

thf(zip_derived_cl51163,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X1 @ ( union @ ( difference @ X1 @ X0 ) @ X0 ) )
      | ( subset @ X1 @ ( union @ ( difference @ X1 @ X0 ) @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1182,zip_derived_cl72]) ).

thf(commutativity_of_union,axiom,
    ! [B: $i,C: $i] :
      ( ( union @ B @ C )
      = ( union @ C @ B ) ) ).

thf(zip_derived_cl14,plain,
    ! [X0: $i,X1: $i] :
      ( ( union @ X1 @ X0 )
      = ( union @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[commutativity_of_union]) ).

thf(zip_derived_cl14_002,plain,
    ! [X0: $i,X1: $i] :
      ( ( union @ X1 @ X0 )
      = ( union @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[commutativity_of_union]) ).

thf(zip_derived_cl51310,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X1 @ ( union @ X0 @ ( difference @ X1 @ X0 ) ) )
      | ( subset @ X1 @ ( union @ X0 @ ( difference @ X1 @ X0 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl51163,zip_derived_cl14,zip_derived_cl14]) ).

thf(zip_derived_cl51311,plain,
    ! [X0: $i,X1: $i] : ( subset @ X1 @ ( union @ X0 @ ( difference @ X1 @ X0 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl51310]) ).

thf(zip_derived_cl14_003,plain,
    ! [X0: $i,X1: $i] :
      ( ( union @ X1 @ X0 )
      = ( union @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[commutativity_of_union]) ).

thf(zip_derived_cl3_004,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( member @ X0 @ ( union @ X1 @ X2 ) )
      | ~ ( member @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[union_defn]) ).

thf(member_equal,axiom,
    ! [B: $i,C: $i] :
      ( ! [D: $i] :
          ( ( member @ D @ B )
        <=> ( member @ D @ C ) )
     => ( B = C ) ) ).

thf(zip_derived_cl0,plain,
    ! [X0: $i,X1: $i] :
      ( ( X1 = X0 )
      | ~ ( member @ ( sk_ @ X0 @ X1 ) @ X0 )
      | ~ ( member @ ( sk_ @ X0 @ X1 ) @ X1 ) ),
    inference(cnf,[status(esa)],[member_equal]) ).

thf(zip_derived_cl58,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( member @ ( sk_ @ ( union @ X1 @ X0 ) @ X2 ) @ X1 )
      | ( X2
        = ( union @ X1 @ X0 ) )
      | ~ ( member @ ( sk_ @ ( union @ X1 @ X0 ) @ X2 ) @ X2 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3,zip_derived_cl0]) ).

thf(zip_derived_cl404,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( member @ ( sk_ @ ( union @ X0 @ X1 ) @ X0 ) @ X0 )
      | ( X0
        = ( union @ X0 @ X1 ) ) ),
    inference(eq_fact,[status(thm)],[zip_derived_cl58]) ).

thf(zip_derived_cl490,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( member @ ( sk_ @ ( union @ X1 @ X0 ) @ X0 ) @ X0 )
      | ( X0
        = ( union @ X1 @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl14,zip_derived_cl404]) ).

thf(zip_derived_cl2,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( member @ X0 @ X1 )
      | ( member @ X0 @ X2 )
      | ~ ( member @ X0 @ ( union @ X2 @ X1 ) ) ),
    inference(cnf,[status(esa)],[union_defn]) ).

thf(zip_derived_cl1,plain,
    ! [X0: $i,X1: $i] :
      ( ( X1 = X0 )
      | ( member @ ( sk_ @ X0 @ X1 ) @ X0 )
      | ( member @ ( sk_ @ X0 @ X1 ) @ X1 ) ),
    inference(cnf,[status(esa)],[member_equal]) ).

thf(zip_derived_cl63,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( member @ ( sk_ @ ( union @ X1 @ X0 ) @ X2 ) @ X1 )
      | ( member @ ( sk_ @ ( union @ X1 @ X0 ) @ X2 ) @ X0 )
      | ( X2
        = ( union @ X1 @ X0 ) )
      | ( member @ ( sk_ @ ( union @ X1 @ X0 ) @ X2 ) @ X2 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl2,zip_derived_cl1]) ).

thf(zip_derived_cl5,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( member @ X0 @ X1 )
      | ~ ( member @ X0 @ ( difference @ X1 @ X2 ) ) ),
    inference(cnf,[status(esa)],[difference_defn]) ).

thf(zip_derived_cl437,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ( member @ ( sk_ @ ( union @ ( difference @ X1 @ X0 ) @ X3 ) @ X2 ) @ X2 )
      | ( X2
        = ( union @ ( difference @ X1 @ X0 ) @ X3 ) )
      | ( member @ ( sk_ @ ( union @ ( difference @ X1 @ X0 ) @ X3 ) @ X2 ) @ X3 )
      | ( member @ ( sk_ @ ( union @ ( difference @ X1 @ X0 ) @ X3 ) @ X2 ) @ X1 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl63,zip_derived_cl5]) ).

thf(zip_derived_cl10794,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0
        = ( union @ ( difference @ X0 @ X1 ) @ X0 ) )
      | ( X0
        = ( union @ ( difference @ X0 @ X1 ) @ X0 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl490,zip_derived_cl437]) ).

thf(zip_derived_cl10849,plain,
    ! [X0: $i,X1: $i] :
      ( X0
      = ( union @ ( difference @ X0 @ X1 ) @ X0 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl10794]) ).

thf(zip_derived_cl59_005,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( member @ ( sk__1 @ ( union @ X1 @ X0 ) @ X2 ) @ X1 )
      | ( subset @ X2 @ ( union @ X1 @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3,zip_derived_cl9]) ).

thf(zip_derived_cl16147,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( member @ ( sk__1 @ X0 @ X2 ) @ ( difference @ X0 @ X1 ) )
      | ( subset @ X2 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl10849,zip_derived_cl59]) ).

thf(zip_derived_cl10_006,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X0 @ X1 )
      | ( member @ ( sk__1 @ X1 @ X0 ) @ X0 ) ),
    inference(cnf,[status(esa)],[subset_defn]) ).

thf(zip_derived_cl2_007,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( member @ X0 @ X1 )
      | ( member @ X0 @ X2 )
      | ~ ( member @ X0 @ ( union @ X2 @ X1 ) ) ),
    inference(cnf,[status(esa)],[union_defn]) ).

thf(zip_derived_cl80,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( subset @ ( union @ X1 @ X0 ) @ X2 )
      | ( member @ ( sk__1 @ X2 @ ( union @ X1 @ X0 ) ) @ X0 )
      | ( member @ ( sk__1 @ X2 @ ( union @ X1 @ X0 ) ) @ X1 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl10,zip_derived_cl2]) ).

thf(prove_th54,conjecture,
    ! [B: $i,C: $i] :
      ( ( subset @ B @ C )
     => ( C
        = ( union @ B @ ( difference @ C @ B ) ) ) ) ).

thf(zf_stmt_0,negated_conjecture,
    ~ ! [B: $i,C: $i] :
        ( ( subset @ B @ C )
       => ( C
          = ( union @ B @ ( difference @ C @ B ) ) ) ),
    inference('cnf.neg',[status(esa)],[prove_th54]) ).

thf(zip_derived_cl20,plain,
    subset @ sk__3 @ sk__4,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl8,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( member @ X0 @ X1 )
      | ( member @ X0 @ X2 )
      | ~ ( subset @ X1 @ X2 ) ),
    inference(cnf,[status(esa)],[subset_defn]) ).

thf(zip_derived_cl53,plain,
    ! [X0: $i] :
      ( ~ ( member @ X0 @ sk__3 )
      | ( member @ X0 @ sk__4 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl20,zip_derived_cl8]) ).

thf(zip_derived_cl9_008,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X0 @ X1 )
      | ~ ( member @ ( sk__1 @ X1 @ X0 ) @ X1 ) ),
    inference(cnf,[status(esa)],[subset_defn]) ).

thf(zip_derived_cl56,plain,
    ! [X0: $i] :
      ( ~ ( member @ ( sk__1 @ sk__4 @ X0 ) @ sk__3 )
      | ( subset @ X0 @ sk__4 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl53,zip_derived_cl9]) ).

thf(zip_derived_cl706,plain,
    ! [X0: $i] :
      ( ( member @ ( sk__1 @ sk__4 @ ( union @ X0 @ sk__3 ) ) @ X0 )
      | ( subset @ ( union @ X0 @ sk__3 ) @ sk__4 )
      | ( subset @ ( union @ X0 @ sk__3 ) @ sk__4 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl80,zip_derived_cl56]) ).

thf(zip_derived_cl744,plain,
    ! [X0: $i] :
      ( ( subset @ ( union @ X0 @ sk__3 ) @ sk__4 )
      | ( member @ ( sk__1 @ sk__4 @ ( union @ X0 @ sk__3 ) ) @ X0 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl706]) ).

thf(zip_derived_cl21728,plain,
    ! [X0: $i] :
      ( ( subset @ ( union @ ( difference @ sk__4 @ X0 ) @ sk__3 ) @ sk__4 )
      | ( subset @ ( union @ ( difference @ sk__4 @ X0 ) @ sk__3 ) @ sk__4 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl16147,zip_derived_cl744]) ).

thf(zip_derived_cl14_009,plain,
    ! [X0: $i,X1: $i] :
      ( ( union @ X1 @ X0 )
      = ( union @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[commutativity_of_union]) ).

thf(zip_derived_cl14_010,plain,
    ! [X0: $i,X1: $i] :
      ( ( union @ X1 @ X0 )
      = ( union @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[commutativity_of_union]) ).

thf(zip_derived_cl21742,plain,
    ! [X0: $i] :
      ( ( subset @ ( union @ sk__3 @ ( difference @ sk__4 @ X0 ) ) @ sk__4 )
      | ( subset @ ( union @ sk__3 @ ( difference @ sk__4 @ X0 ) ) @ sk__4 ) ),
    inference(demod,[status(thm)],[zip_derived_cl21728,zip_derived_cl14,zip_derived_cl14]) ).

thf(zip_derived_cl21743,plain,
    ! [X0: $i] : ( subset @ ( union @ sk__3 @ ( difference @ sk__4 @ X0 ) ) @ sk__4 ),
    inference(simplify,[status(thm)],[zip_derived_cl21742]) ).

thf(equal_defn,axiom,
    ! [B: $i,C: $i] :
      ( ( B = C )
    <=> ( ( subset @ B @ C )
        & ( subset @ C @ B ) ) ) ).

thf(zip_derived_cl13,plain,
    ! [X0: $i,X1: $i] :
      ( ( X1 = X0 )
      | ~ ( subset @ X0 @ X1 )
      | ~ ( subset @ X1 @ X0 ) ),
    inference(cnf,[status(esa)],[equal_defn]) ).

thf(zip_derived_cl77049,plain,
    ! [X0: $i] :
      ( ( sk__4
        = ( union @ sk__3 @ ( difference @ sk__4 @ X0 ) ) )
      | ~ ( subset @ sk__4 @ ( union @ sk__3 @ ( difference @ sk__4 @ X0 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl21743,zip_derived_cl13]) ).

thf(zip_derived_cl91979,plain,
    ( sk__4
    = ( union @ sk__3 @ ( difference @ sk__4 @ sk__3 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl51311,zip_derived_cl77049]) ).

thf(zip_derived_cl21,plain,
    ( sk__4
   != ( union @ sk__3 @ ( difference @ sk__4 @ sk__3 ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl91990,plain,
    $false,
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl91979,zip_derived_cl21]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SET595+3 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.12  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.ffEKnCcpGN true
% 0.14/0.31  % Computer : n032.cluster.edu
% 0.14/0.31  % Model    : x86_64 x86_64
% 0.14/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.31  % Memory   : 8042.1875MB
% 0.14/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.31  % CPULimit : 300
% 0.14/0.31  % WCLimit  : 300
% 0.14/0.31  % DateTime : Sat Aug 26 12:22:58 EDT 2023
% 0.14/0.32  % CPUTime  : 
% 0.14/0.32  % Running portfolio for 300 s
% 0.14/0.32  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.32  % Number of cores: 8
% 0.14/0.32  % Python version: Python 3.6.8
% 0.14/0.32  % Running in FO mode
% 0.17/0.54  % Total configuration time : 435
% 0.17/0.54  % Estimated wc time : 1092
% 0.17/0.54  % Estimated cpu time (7 cpus) : 156.0
% 0.17/0.60  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.17/0.60  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.17/0.61  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.17/0.62  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.17/0.62  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.17/0.62  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.17/0.63  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 182.07/26.55  % Solved by fo/fo1_av.sh.
% 182.07/26.55  % done 9572 iterations in 25.912s
% 182.07/26.55  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 182.07/26.55  % SZS output start Refutation
% See solution above
% 182.07/26.55  
% 182.07/26.55  
% 182.07/26.55  % Terminating...
% 182.52/26.60  % Runner terminated.
% 182.52/26.61  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------