TSTP Solution File: SYO666-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SYO666-1 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n028.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  : 0s
% DateTime : Thu Jul 21 14:29:14 EDT 2022

% Result   : Unsatisfiable 0.70s 1.16s
% Output   : Refutation 30.54s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SYO666-1 : TPTP v8.1.0. Released v7.3.0.
% 0.11/0.13  % Command  : bliksem %s
% 0.14/0.34  % Computer : n028.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % DateTime : Sat Jul  9 12:58:56 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.70/1.16  *** allocated 10000 integers for termspace/termends
% 0.70/1.16  *** allocated 10000 integers for clauses
% 0.70/1.16  *** allocated 10000 integers for justifications
% 0.70/1.16  Bliksem 1.12
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  Automatic Strategy Selection
% 0.70/1.16  
% 0.70/1.16  Clauses:
% 0.70/1.16  [
% 0.70/1.16     [ ~( iLEQ( suc( X ), suc( Y ) ) ), ~( 'E'( '0', f( suc( Z ) ) ) ), ~( 
% 0.70/1.16    'E'( '0', f( suc( X ) ) ) ), ~( iLEQ( suc( Y ), suc( T ) ) ), ~( 'E'( '0'
% 0.70/1.16    , f( suc( Y ) ) ) ), ~( 'E'( '0', f( Z ) ) ), ~( 'E'( '0', f( suc( U ) )
% 0.70/1.16     ) ), ~( 'E'( '0', f( Y ) ) ), ~( iLEQ( suc( W ), suc( X ) ) ), ~( 'E'( 
% 0.70/1.16    '0', f( X ) ) ), ~( iLEQ( suc( U ), suc( W ) ) ), ~( 'E'( '0', f( suc( T
% 0.70/1.16     ) ) ) ), ~( 'E'( '0', f( U ) ) ), ~( iLEQ( suc( Z ), suc( U ) ) ), ~( 
% 0.70/1.16    'E'( '0', f( suc( W ) ) ) ), ~( 'E'( '0', f( T ) ) ), ~( 'E'( '0', f( W )
% 0.70/1.16     ) ) ],
% 0.70/1.16     [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), iLEQ( suc( X
% 0.70/1.16     ), suc( X ) ) ],
% 0.70/1.16     [ ~( 'LE'( f( z ), '0' ) ) ],
% 0.70/1.16     [ ~( 'LE'( f( suc( X ) ), s( '0' ) ) ), 'E'( '0', f( suc( X ) ) ), 'LE'( 
% 0.70/1.16    f( X ), '0' ) ],
% 0.70/1.16     [ ~( 'LE'( f( X ), s( '0' ) ) ), 'E'( '0', f( X ) ), 'LE'( f( X ), '0' )
% 0.70/1.16     ],
% 0.70/1.16     [ 'LE'( f( X ), s( s( '0' ) ) ) ],
% 0.70/1.16     [ ~( 'E'( s( '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( X ) ) ) ), 
% 0.70/1.16    iLEQ( suc( X ), suc( X ) ) ],
% 0.70/1.16     [ ~( 'LE'( f( suc( X ) ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( suc( X )
% 0.70/1.16     ) ), 'LE'( f( X ), s( '0' ) ) ],
% 0.70/1.16     [ ~( 'LE'( f( X ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( X ) ), 'LE'( f( 
% 0.70/1.16    X ), s( '0' ) ) ],
% 0.70/1.16     [ ~( 'E'( s( '0' ), f( X ) ) ), ~( iLEQ( suc( Y ), suc( Z ) ) ), ~( 'E'( 
% 0.70/1.16    s( '0' ), f( T ) ) ), ~( 'E'( s( '0' ), f( suc( T ) ) ) ), ~( iLEQ( suc( 
% 0.70/1.16    U ), suc( Y ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 'E'( s( '0' ), f( suc( 
% 0.70/1.16    Y ) ) ) ), ~( iLEQ( suc( X ), suc( U ) ) ), ~( 'E'( s( '0' ), f( suc( X )
% 0.70/1.16     ) ) ), ~( iLEQ( suc( Z ), suc( W ) ) ), ~( 'E'( s( '0' ), f( suc( U ) )
% 0.70/1.16     ) ), ~( 'E'( s( '0' ), f( W ) ) ), ~( 'E'( s( '0' ), f( suc( Z ) ) ) ), 
% 0.70/1.16    ~( iLEQ( suc( T ), suc( X ) ) ), ~( 'E'( s( '0' ), f( U ) ) ), ~( 'E'( s( 
% 0.70/1.16    '0' ), f( Z ) ) ), ~( 'E'( s( '0' ), f( suc( W ) ) ) ) ]
% 0.70/1.16  ] .
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  percentage equality = 0.000000, percentage horn = 0.600000
% 0.70/1.16  This a non-horn, non-equality problem
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  Options Used:
% 0.70/1.16  
% 0.70/1.16  useres =            1
% 0.70/1.16  useparamod =        0
% 0.70/1.16  useeqrefl =         0
% 0.70/1.16  useeqfact =         0
% 0.70/1.16  usefactor =         1
% 0.70/1.16  usesimpsplitting =  0
% 0.70/1.16  usesimpdemod =      0
% 0.70/1.16  usesimpres =        3
% 0.70/1.16  
% 0.70/1.16  resimpinuse      =  1000
% 0.70/1.16  resimpclauses =     20000
% 0.70/1.16  substype =          standard
% 0.70/1.16  backwardsubs =      1
% 0.70/1.16  selectoldest =      5
% 0.70/1.16  
% 0.70/1.16  litorderings [0] =  split
% 0.70/1.16  litorderings [1] =  liftord
% 0.70/1.16  
% 0.70/1.16  termordering =      none
% 0.70/1.16  
% 0.70/1.16  litapriori =        1
% 0.70/1.16  termapriori =       0
% 0.70/1.16  litaposteriori =    0
% 0.70/1.16  termaposteriori =   0
% 0.70/1.16  demodaposteriori =  0
% 0.70/1.16  ordereqreflfact =   0
% 0.70/1.16  
% 0.70/1.16  litselect =         none
% 0.70/1.16  
% 0.70/1.16  maxweight =         15
% 0.70/1.16  maxdepth =          30000
% 0.70/1.16  maxlength =         115
% 0.70/1.16  maxnrvars =         195
% 0.70/1.16  excuselevel =       1
% 0.70/1.16  increasemaxweight = 1
% 0.70/1.16  
% 0.70/1.16  maxselected =       10000000
% 0.70/1.16  maxnrclauses =      10000000
% 0.70/1.16  
% 0.70/1.16  showgenerated =    0
% 0.70/1.16  showkept =         0
% 0.70/1.16  showselected =     0
% 0.70/1.16  showdeleted =      0
% 0.70/1.16  showresimp =       1
% 0.70/1.16  showstatus =       2000
% 0.70/1.16  
% 0.70/1.16  prologoutput =     1
% 0.70/1.16  nrgoals =          5000000
% 0.70/1.16  totalproof =       1
% 0.70/1.16  
% 0.70/1.16  Symbols occurring in the translation:
% 0.70/1.16  
% 0.70/1.16  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.70/1.16  .  [1, 2]      (w:1, o:34, a:1, s:1, b:0), 
% 0.70/1.16  !  [4, 1]      (w:0, o:26, a:1, s:1, b:0), 
% 0.70/1.16  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.70/1.16  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.70/1.16  suc  [40, 1]      (w:1, o:31, a:1, s:1, b:0), 
% 0.70/1.16  iLEQ  [42, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 0.70/1.16  '0'  [43, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 0.70/1.16  f  [45, 1]      (w:1, o:32, a:1, s:1, b:0), 
% 0.70/1.16  'E'  [46, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 0.70/1.16  z  [50, 0]      (w:1, o:19, a:1, s:1, b:0), 
% 0.70/1.16  'LE'  [51, 2]      (w:1, o:61, a:1, s:1, b:0), 
% 0.70/1.16  s  [53, 1]      (w:1, o:33, a:1, s:1, b:0).
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   15
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 243
% 0.70/1.16  Kept: 22
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 16
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   16
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 265
% 0.70/1.16  Kept: 27
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 17
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   17
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 265
% 0.70/1.16  Kept: 27
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 18
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   18
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 266
% 0.70/1.16  Kept: 28
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 19
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   19
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 266
% 0.70/1.16  Kept: 29
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 20
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   20
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 266
% 0.70/1.16  Kept: 29
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 21
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   21
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 266
% 0.70/1.16  Kept: 29
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 22
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   22
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 266
% 0.70/1.16  Kept: 30
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 23
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   23
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 260
% 0.70/1.16  Kept: 34
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 24
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   24
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 260
% 0.70/1.16  Kept: 34
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 25
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   25
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 260
% 0.70/1.16  Kept: 34
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 26
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  Resimplifying inuse:
% 0.70/1.16  Done
% 0.70/1.16  
% 0.70/1.16  Failed to find proof!
% 0.70/1.16  maxweight =   26
% 0.70/1.16  maxnrclauses = 10000000
% 0.70/1.16  Generated: 260
% 0.70/1.16  Kept: 34
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  The strategy used was not complete!
% 0.70/1.16  
% 0.70/1.16  Increased maxweight to 27
% 0.70/1.16  
% 0.70/1.16  Starting Search:
% 0.70/1.16  
% 0.70/1.16  
% 0.70/1.16  Bliksems!, er is een bewijs:
% 0.70/1.16  % SZS status Unsatisfiable
% 0.70/1.16  % SZS output start Refutation
% 0.70/1.16  
% 0.70/1.16  clause( 0, [ ~( iLEQ( suc( X ), suc( Y ) ) ), ~( iLEQ( suc( Y ), suc( T ) )
% 0.70/1.16     ), ~( iLEQ( suc( W ), suc( X ) ) ), ~( iLEQ( suc( U ), suc( W ) ) ), ~( 
% 0.70/1.16    iLEQ( suc( Z ), suc( U ) ) ), ~( 'E'( '0', f( suc( U ) ) ) ), ~( 'E'( '0'
% 0.70/1.16    , f( Y ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), ~( 'E'( '0', f( X ) ) ), 
% 0.70/1.16    ~( 'E'( '0', f( suc( Z ) ) ) ), ~( 'E'( '0', f( suc( T ) ) ) ), ~( 'E'( 
% 0.70/1.16    '0', f( U ) ) ), ~( 'E'( '0', f( suc( Y ) ) ) ), ~( 'E'( '0', f( suc( W )
% 0.70/1.16     ) ) ), ~( 'E'( '0', f( T ) ) ), ~( 'E'( '0', f( W ) ) ), ~( 'E'( '0', f( 
% 0.70/1.16    Z ) ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 1, [ iLEQ( suc( X ), suc( X ) ), ~( 'E'( '0', f( X ) ) ), ~( 'E'( 
% 0.70/1.16    '0', f( suc( X ) ) ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 2, [ ~( 'LE'( f( z ), '0' ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 3, [ 'E'( '0', f( suc( X ) ) ), 'LE'( f( X ), '0' ), ~( 'LE'( f( 
% 0.70/1.16    suc( X ) ), s( '0' ) ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 4, [ 'E'( '0', f( X ) ), 'LE'( f( X ), '0' ), ~( 'LE'( f( X ), s( 
% 0.70/1.16    '0' ) ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 5, [ 'LE'( f( X ), s( s( '0' ) ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 6, [ iLEQ( suc( X ), suc( X ) ), ~( 'E'( s( '0' ), f( X ) ) ), ~( 
% 0.70/1.16    'E'( s( '0' ), f( suc( X ) ) ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 7, [ 'E'( s( '0' ), f( suc( X ) ) ), 'LE'( f( X ), s( '0' ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 8, [ 'E'( s( '0' ), f( X ) ), 'LE'( f( X ), s( '0' ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 9, [ ~( iLEQ( suc( Y ), suc( Z ) ) ), ~( iLEQ( suc( U ), suc( Y ) )
% 0.70/1.16     ), ~( iLEQ( suc( X ), suc( U ) ) ), ~( iLEQ( suc( Z ), suc( W ) ) ), ~( 
% 0.70/1.16    iLEQ( suc( T ), suc( X ) ) ), ~( 'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( 
% 0.70/1.16    s( '0' ), f( T ) ) ), ~( 'E'( s( '0' ), f( suc( X ) ) ) ), ~( 'E'( s( '0'
% 0.70/1.16     ), f( suc( T ) ) ) ), ~( 'E'( s( '0' ), f( suc( U ) ) ) ), ~( 'E'( s( 
% 0.70/1.16    '0' ), f( W ) ) ), ~( 'E'( s( '0' ), f( suc( Z ) ) ) ), ~( 'E'( s( '0' )
% 0.70/1.16    , f( X ) ) ), ~( 'E'( s( '0' ), f( U ) ) ), ~( 'E'( s( '0' ), f( Z ) ) )
% 0.70/1.16    , ~( 'E'( s( '0' ), f( suc( W ) ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ) ] )
% 0.70/1.16  .
% 0.70/1.16  clause( 10, [ ~( iLEQ( suc( Y ), suc( X ) ) ), ~( iLEQ( suc( Z ), suc( Y )
% 0.70/1.16     ) ), ~( iLEQ( suc( T ), suc( Z ) ) ), ~( 'E'( '0', f( X ) ) ), ~( 'E'( 
% 0.70/1.16    '0', f( suc( X ) ) ) ), ~( 'E'( '0', f( suc( T ) ) ) ), ~( 'E'( '0', f( Z
% 30.54/30.99     ) ) ), ~( 'E'( '0', f( suc( Y ) ) ) ), ~( 'E'( '0', f( Y ) ) ), ~( 'E'( 
% 30.54/30.99    '0', f( T ) ) ), ~( 'E'( '0', f( suc( Z ) ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 11, [ ~( iLEQ( suc( Y ), suc( X ) ) ), ~( 'E'( '0', f( suc( X ) ) )
% 30.54/30.99     ), ~( 'E'( '0', f( suc( Y ) ) ) ), ~( 'E'( '0', f( Y ) ) ), ~( 'E'( '0'
% 30.54/30.99    , f( X ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 12, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 13, [ ~( iLEQ( suc( Y ), suc( X ) ) ), ~( iLEQ( suc( X ), suc( Z )
% 30.54/30.99     ) ), ~( iLEQ( suc( T ), suc( Y ) ) ), ~( 'E'( s( '0' ), f( T ) ) ), ~( 
% 30.54/30.99    'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( s( '0' ), f( suc( T ) ) ) ), 
% 30.54/30.99    ~( 'E'( s( '0' ), f( Z ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 'E'( s( 
% 30.54/30.99    '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( Z ) ) ) ), ~( 'E'( s( '0' )
% 30.54/30.99    , f( suc( X ) ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 14, [ ~( iLEQ( suc( Y ), suc( X ) ) ), ~( 'E'( s( '0' ), f( suc( X
% 30.54/30.99     ) ) ) ), ~( 'E'( s( '0' ), f( suc( Y ) ) ) ), ~( 'E'( s( '0' ), f( X ) )
% 30.54/30.99     ), ~( 'E'( s( '0' ), f( Y ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 15, [ ~( 'E'( s( '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( X ) )
% 30.54/30.99     ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 16, [ 'E'( '0', f( X ) ), 'E'( s( '0' ), f( suc( X ) ) ), 'LE'( f( 
% 30.54/30.99    X ), '0' ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 17, [ 'E'( '0', f( X ) ), 'E'( s( '0' ), f( X ) ), 'LE'( f( X ), 
% 30.54/30.99    '0' ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 18, [ 'E'( '0', f( z ) ), 'E'( s( '0' ), f( z ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 19, [ 'E'( '0', f( z ) ), ~( 'E'( s( '0' ), f( suc( z ) ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 20, [ 'E'( '0', f( z ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 21, [ ~( 'E'( '0', f( suc( z ) ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 22, [ 'E'( '0', f( suc( X ) ) ), 'E'( s( '0' ), f( suc( suc( X ) )
% 30.54/30.99     ) ), 'LE'( f( X ), '0' ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 23, [ 'E'( '0', f( suc( X ) ) ), 'E'( s( '0' ), f( suc( X ) ) ), 
% 30.54/30.99    'LE'( f( X ), '0' ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 24, [ 'E'( s( '0' ), f( suc( z ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 25, [ ~( 'E'( s( '0' ), f( suc( suc( z ) ) ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 27, [ 'E'( s( '0' ), f( suc( suc( z ) ) ) ) ] )
% 30.54/30.99  .
% 30.54/30.99  clause( 28, [] )
% 30.54/30.99  .
% 30.54/30.99  
% 30.54/30.99  
% 30.54/30.99  % SZS output end Refutation
% 30.54/30.99  found a proof!
% 30.54/30.99  
% 30.54/30.99  % ABCDEFGHIJKLMNOPQRSTUVWXYZ
% 30.54/30.99  
% 30.54/30.99  initialclauses(
% 30.54/30.99  [ clause( 30, [ ~( iLEQ( suc( X ), suc( Y ) ) ), ~( 'E'( '0', f( suc( Z ) )
% 30.54/30.99     ) ), ~( 'E'( '0', f( suc( X ) ) ) ), ~( iLEQ( suc( Y ), suc( T ) ) ), 
% 30.54/30.99    ~( 'E'( '0', f( suc( Y ) ) ) ), ~( 'E'( '0', f( Z ) ) ), ~( 'E'( '0', f( 
% 30.54/30.99    suc( U ) ) ) ), ~( 'E'( '0', f( Y ) ) ), ~( iLEQ( suc( W ), suc( X ) ) )
% 30.54/30.99    , ~( 'E'( '0', f( X ) ) ), ~( iLEQ( suc( U ), suc( W ) ) ), ~( 'E'( '0', 
% 30.54/30.99    f( suc( T ) ) ) ), ~( 'E'( '0', f( U ) ) ), ~( iLEQ( suc( Z ), suc( U ) )
% 30.54/30.99     ), ~( 'E'( '0', f( suc( W ) ) ) ), ~( 'E'( '0', f( T ) ) ), ~( 'E'( '0'
% 30.54/30.99    , f( W ) ) ) ] )
% 30.54/30.99  , clause( 31, [ ~( 'E'( '0', f( X ) ) ), ~( 'E'( '0', f( suc( X ) ) ) ), 
% 30.54/30.99    iLEQ( suc( X ), suc( X ) ) ] )
% 30.54/30.99  , clause( 32, [ ~( 'LE'( f( z ), '0' ) ) ] )
% 30.54/30.99  , clause( 33, [ ~( 'LE'( f( suc( X ) ), s( '0' ) ) ), 'E'( '0', f( suc( X )
% 30.54/30.99     ) ), 'LE'( f( X ), '0' ) ] )
% 30.54/30.99  , clause( 34, [ ~( 'LE'( f( X ), s( '0' ) ) ), 'E'( '0', f( X ) ), 'LE'( f( 
% 30.54/30.99    X ), '0' ) ] )
% 30.54/30.99  , clause( 35, [ 'LE'( f( X ), s( s( '0' ) ) ) ] )
% 30.54/30.99  , clause( 36, [ ~( 'E'( s( '0' ), f( X ) ) ), ~( 'E'( s( '0' ), f( suc( X )
% 30.54/30.99     ) ) ), iLEQ( suc( X ), suc( X ) ) ] )
% 30.54/30.99  , clause( 37, [ ~( 'LE'( f( suc( X ) ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( 
% 30.54/30.99    suc( X ) ) ), 'LE'( f( X ), s( '0' ) ) ] )
% 30.54/30.99  , clause( 38, [ ~( 'LE'( f( X ), s( s( '0' ) ) ) ), 'E'( s( '0' ), f( X ) )
% 30.54/30.99    , 'LE'( f( X ), s( '0' ) ) ] )
% 30.54/30.99  , clause( 39, [ ~( 'E'( s( '0' ), f( X ) ) ), ~( iLEQ( suc( Y ), suc( Z ) )
% 30.54/30.99     ), ~( 'E'( s( '0' ), f( T ) ) ), ~( 'E'( s( '0' ), f( suc( T ) ) ) ), 
% 30.54/30.99    ~( iLEQ( suc( U ), suc( Y ) ) ), ~( 'E'( s( '0' ), f( Y ) ) ), ~( 'E'( s( 
% 30.54/30.99    '0' ), f( suc( Y ) ) ) ), ~( iLEQ( suc( X ), suc( U ) ) ), ~( 'E'( s( '0'
% 30.54/30.99     ), f( suc( X ) ) ) ), ~( iLEQ( suc( Z ), suc( W ) ) ), ~( 'E'( s( '0' )
% 30.54/30.99    , f( suc( U ) ) ) ), ~( 'E'( s( '0' ), f( W ) ) ), ~( 'E'( s( '0' ), f( 
% 30.54/30.99    suc( Z ) ) ) ), ~( iLEQ( suc( T ), suc( X ) ) ), ~( 'E'( s( '0' ), f( U )
% 30.54/30.99     ) ), ~( 'E'( s( '0' ), f( Z ) ) ), ~( 'E'( s( '0' ), f( suc( W ) ) ) ) ]
% 30.54/30.99     )
% 30.54/30.99  ] ).
% 30.54/30.99  
% 30.54/30.99  
% 30.54/30.99  
% 30.54/30.99  subsumption(
% 30.54/30.99  clause( 0, [ ~( iLEQ( suc( X ), suc( Y ) ) ), ~( iLEQ( suc( Y ), suc( T ) )
% 30.54/30.99     ), ~( iLEQ( suc( W ), suc( X ) ) ), ~( iLEQ( suc( U ), suc( W ) ) ), ~( 
% 30.54/30.99    iLEQ( suc( Z ), suc( U ) ) ), ~( 'ECputime limit exceeded (core dumped)
%------------------------------------------------------------------------------