TSTP Solution File: GRP125-2.004 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP125-2.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n020.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 : Sat Jul 16 07:35:09 EDT 2022

% Result   : Satisfiable 0.71s 1.15s
% Output   : Saturation 0.71s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : GRP125-2.004 : TPTP v8.1.0. Released v1.2.0.
% 0.12/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n020.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % DateTime : Tue Jun 14 05:57:50 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.71/1.15  *** allocated 10000 integers for termspace/termends
% 0.71/1.15  *** allocated 10000 integers for clauses
% 0.71/1.15  *** allocated 10000 integers for justifications
% 0.71/1.15  Bliksem 1.12
% 0.71/1.15  
% 0.71/1.15  
% 0.71/1.15  Automatic Strategy Selection
% 0.71/1.15  
% 0.71/1.15  Clauses:
% 0.71/1.15  [
% 0.71/1.15     [ next( 'e_1', 'e_2' ) ],
% 0.71/1.15     [ next( 'e_2', 'e_3' ) ],
% 0.71/1.15     [ next( 'e_3', 'e_4' ) ],
% 0.71/1.15     [ greater( 'e_2', 'e_1' ) ],
% 0.71/1.15     [ greater( 'e_3', 'e_1' ) ],
% 0.71/1.15     [ greater( 'e_4', 'e_1' ) ],
% 0.71/1.15     [ greater( 'e_3', 'e_2' ) ],
% 0.71/1.15     [ greater( 'e_4', 'e_2' ) ],
% 0.71/1.15     [ greater( 'e_4', 'e_3' ) ],
% 0.71/1.15     [ ~( product( X, 'e_1', Y ) ), ~( next( X, Z ) ), ~( greater( Y, Z ) ) ]
% 0.71/1.15    ,
% 0.71/1.15     [ 'group_element'( 'e_1' ) ],
% 0.71/1.15     [ 'group_element'( 'e_2' ) ],
% 0.71/1.15     [ 'group_element'( 'e_3' ) ],
% 0.71/1.15     [ 'group_element'( 'e_4' ) ],
% 0.71/1.15     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_1', 'e_3' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_1', 'e_4' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_2', 'e_3' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_2', 'e_4' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_3', 'e_1' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_3', 'e_2' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_3', 'e_4' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_4', 'e_1' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_4', 'e_2' ) ) ],
% 0.71/1.15     [ ~( equalish( 'e_4', 'e_3' ) ) ],
% 0.71/1.15     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 0.71/1.15    'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), product( X, Y, 
% 0.71/1.15    'e_4' ) ],
% 0.71/1.15     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 0.71/1.15    ,
% 0.71/1.15     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 0.71/1.15    ,
% 0.71/1.15     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 0.71/1.15    ,
% 0.71/1.15     [ product( X, X, X ) ],
% 0.71/1.15     [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( Z, T, X ) ]
% 0.71/1.15    
% 0.71/1.15  ] .
% 0.71/1.15  
% 0.71/1.15  
% 0.71/1.15  percentage equality = 0.000000, percentage horn = 0.968750
% 0.71/1.15  This is a near-Horn, non-equality  problem
% 0.71/1.15  
% 0.71/1.15  
% 0.71/1.15  Options Used:
% 0.71/1.15  
% 0.71/1.15  useres =            1
% 0.71/1.15  useparamod =        0
% 0.71/1.15  useeqrefl =         0
% 0.71/1.15  useeqfact =         0
% 0.71/1.15  usefactor =         1
% 0.71/1.15  usesimpsplitting =  0
% 0.71/1.15  usesimpdemod =      0
% 0.71/1.15  usesimpres =        4
% 0.71/1.15  
% 0.71/1.15  resimpinuse      =  1000
% 0.71/1.15  resimpclauses =     20000
% 0.71/1.15  substype =          standard
% 0.71/1.15  backwardsubs =      1
% 0.71/1.15  selectoldest =      5
% 0.71/1.15  
% 0.71/1.15  litorderings [0] =  split
% 0.71/1.15  litorderings [1] =  liftord
% 0.71/1.15  
% 0.71/1.15  termordering =      none
% 0.71/1.15  
% 0.71/1.15  litapriori =        1
% 0.71/1.15  termapriori =       0
% 0.71/1.15  litaposteriori =    0
% 0.71/1.15  termaposteriori =   0
% 0.71/1.15  demodaposteriori =  0
% 0.71/1.15  ordereqreflfact =   0
% 0.71/1.15  
% 0.71/1.15  litselect =         negative
% 0.71/1.15  
% 0.71/1.15  maxweight =         30000
% 0.71/1.15  maxdepth =          30000
% 0.71/1.15  maxlength =         115
% 0.71/1.15  maxnrvars =         195
% 0.71/1.15  excuselevel =       0
% 0.71/1.15  increasemaxweight = 0
% 0.71/1.15  
% 0.71/1.15  maxselected =       10000000
% 0.71/1.15  maxnrclauses =      10000000
% 0.71/1.15  
% 0.71/1.15  showgenerated =    0
% 0.71/1.15  showkept =         0
% 0.71/1.15  showselected =     0
% 0.71/1.15  showdeleted =      0
% 0.71/1.15  showresimp =       1
% 0.71/1.15  showstatus =       2000
% 0.71/1.15  
% 0.71/1.15  prologoutput =     1
% 0.71/1.15  nrgoals =          5000000
% 0.71/1.15  totalproof =       1
% 0.71/1.15  
% 0.71/1.15  Symbols occurring in the translation:
% 0.71/1.15  
% 0.71/1.15  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.71/1.15  .  [1, 2]      (w:1, o:26, a:1, s:1, b:0), 
% 0.71/1.15  !  [4, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 0.71/1.15  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.71/1.15  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.71/1.15  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.71/1.15  'e_2'  [40, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.71/1.15  next  [41, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.71/1.15  'e_3'  [42, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 0.71/1.15  'e_4'  [43, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 0.71/1.15  greater  [44, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.71/1.15  product  [47, 3]      (w:1, o:54, a:1, s:1, b:0), 
% 0.71/1.15  'group_element'  [49, 1]      (w:1, o:25, a:1, s:1, b:0), 
% 0.71/1.15  equalish  [50, 2]      (w:1, o:53, a:1, s:1, b:0).
% 0.71/1.15  
% 0.71/1.15  
% 0.71/1.15  Starting Search:
% 0.71/1.15  
% 0.71/1.15  Resimplifying inuse:
% 0.71/1.15  Done
% 0.71/1.15  
% 0.71/1.15  
% 0.71/1.15  
% 0.71/1.15  found a saturation!
% 0.71/1.15  % SZS status Satisfiable
% 0.71/1.15  % SZS output start Saturation
% 0.71/1.15  
% 0.71/1.15  clause( 472, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( product( 
% 0.71/1.15    'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 475, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_4' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 0.71/1.15    'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 474, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_2' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 0.71/1.15    X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 473, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_1' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_2', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 440, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 468, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( 
% 0.71/1.15    product( 'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 471, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_2' ), ~( product( 
% 0.71/1.15    'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 470, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_2' ), ~( product( 
% 0.71/1.15    'e_1', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 469, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_1' ), product( 'e_2', 'e_3', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_2', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 467, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 427, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( 
% 0.71/1.15    product( 'e_4', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 431, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( X, 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2' ), ~( 
% 0.71/1.15    product( 'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 463, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( 
% 0.71/1.15    product( 'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 466, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 
% 0.71/1.15    'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 465, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 
% 0.71/1.15    'e_1', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 464, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_2', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 462, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 436, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( 
% 0.71/1.15    product( 'e_4', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 458, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( 
% 0.71/1.15    product( 'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 461, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 0.71/1.15    'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 460, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 0.71/1.15    'e_1', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 459, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_2', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 457, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 449, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( 
% 0.71/1.15    product( 'e_4', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 453, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( 
% 0.71/1.15    product( 'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 452, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 0.71/1.15    'e_3', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 451, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 0.71/1.15    'e_3', X, 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 450, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_4', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 456, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 0.71/1.15    'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 455, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 0.71/1.15    'e_2', X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 454, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_1', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 448, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 447, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 372, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    product( X, 'e_3', 'e_1' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 
% 0.71/1.15    'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 430, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_2' ), ~( product( 
% 0.71/1.15    'e_3', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 429, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_2' ), ~( product( 
% 0.71/1.15    'e_3', X, 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 368, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 
% 0.71/1.15    'e_4', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 428, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_4', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 434, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_2' ), ~( product( 
% 0.71/1.15    'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 433, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_1' ), product( 'e_2', 'e_3', 'e_2' ), ~( product( 
% 0.71/1.15    'e_2', X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 432, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_1', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 439, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 
% 0.71/1.15    'e_3', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 438, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 
% 0.71/1.15    'e_3', X, 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 437, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_4', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 435, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 426, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 425, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 395, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 0.71/1.15    product( 'e_2', 'e_3', 'e_3' ), product( X, 'e_3', 'e_4' ), ~( product( 
% 0.71/1.15    'e_4', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 352, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_4', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 'e_2', 
% 0.71/1.15    'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 351, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_4', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 'e_2', 
% 0.71/1.15    X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 350, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_4', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( X, 
% 0.71/1.15    'e_3', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 398, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 'e_1', 
% 0.71/1.15    'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 397, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 'e_1', 
% 0.71/1.15    X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 396, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_1' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( X, 
% 0.71/1.15    'e_4', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 393, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 0.71/1.15    product( 'e_2', 'e_3', 'e_3' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 349, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_4', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 0.71/1.15    product( 'e_2', 'e_3', 'e_3' ), product( X, 'e_4', 'e_3' ), ~( product( 
% 0.71/1.15    'e_3', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 371, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_2' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 0.71/1.15    'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 370, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_4' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 0.71/1.15    X, 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 369, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_3' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_4', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 375, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_3' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 0.71/1.15    'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 374, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_1' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 0.71/1.15    X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 373, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    equalish( X, 'e_2' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 
% 0.71/1.15    'e_1', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 387, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 0.71/1.15    product( X, 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 390, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_1'
% 0.71/1.15    , 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 389, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1'
% 0.71/1.15    , 'e_4', 'e_2' ), ~( product( 'e_1', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 388, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_1'
% 0.71/1.15    , 'e_4', 'e_2' ), ~( product( X, 'e_2', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 386, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 0.71/1.15    product( 'e_1', 'e_2', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 378, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 0.71/1.15    product( X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 382, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 0.71/1.15    'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 381, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1'
% 0.71/1.15    , 'e_4', 'e_2' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 380, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_1'
% 0.71/1.15    , 'e_4', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 379, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1'
% 0.71/1.15    , 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 385, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1'
% 0.71/1.15    , 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 384, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_1'
% 0.71/1.15    , 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 383, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1'
% 0.71/1.15    , 'e_4', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 377, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 0.71/1.15    product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 376, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 0.71/1.15    product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 367, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 366, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 344, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.71/1.15     ), product( 'e_3', 'e_1', 'e_2' ), product( X, 'e_3', 'e_2' ), product( 
% 0.71/1.15    'e_3', 'e_1', 'e_3' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 348, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_3'
% 0.71/1.15     ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), 
% 0.71/1.15    product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 347, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.71/1.15     ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_3'
% 0.71/1.15    , 'e_1', 'e_3' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 346, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.71/1.15     ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_3'
% 0.71/1.15    , 'e_1', 'e_3' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 345, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 0.71/1.15     ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 'e_3'
% 0.71/1.15    , 'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 301, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_3' ), product( X, 'e_3', 'e_4' ), ~( 
% 0.71/1.15    product( 'e_4', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 343, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 0.71/1.15     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_3' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 304, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 
% 0.71/1.15    'e_1', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 303, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 
% 0.71/1.15    'e_1', X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 302, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_1' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( X, 
% 0.71/1.15    'e_4', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 339, [ product( 'e_1', 'e_3', 'e_1' ), product( X, 'e_2', 'e_3' ), 
% 0.71/1.15    ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 342, [ equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), ~( 
% 0.71/1.15    product( 'e_1', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 341, [ equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), ~( 
% 0.71/1.15    product( 'e_1', X, 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 340, [ equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), ~( 
% 0.71/1.15    product( X, 'e_3', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 338, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 0.71/1.15     ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 143, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_3' ), ~( product( 
% 0.71/1.15    'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 317, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.71/1.15     ), product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 142, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_3' ), ~( product( 
% 0.71/1.15    'e_1', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 320, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 319, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 318, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 316, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.71/1.15     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 141, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_3' ), ~( product( X, 
% 0.71/1.15    'e_2', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 172, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.71/1.15     ), product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 223, [ product( 'e_4', 'e_2', 'e_1' ), product( X, 'e_4', 'e_1' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 140, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.71/1.15     ), product( X, 'e_4', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ), ~( 
% 0.71/1.15    product( 'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 296, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.71/1.15     ), product( X, 'e_4', 'e_3' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 248, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 299, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_4' ), 
% 0.71/1.15    product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 298, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_3' ), 
% 0.71/1.15    product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 297, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_2' ), 
% 0.71/1.15    product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_3', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 290, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 291, [ product( X, 'e_2', 'e_1' ), ~( product( 'e_1', 'e_4', X ) )
% 0.71/1.15     ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 294, [ equalish( X, 'e_2' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 293, [ equalish( X, 'e_1' ), ~( product( 'e_4', X, 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 292, [ equalish( X, 'e_4' ), ~( product( X, 'e_1', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 289, [ product( 'e_4', 'e_1', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 100, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.71/1.15     ), product( X, 'e_3', 'e_4' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 249, [ product( X, 'e_1', 'e_2' ), ~( product( 'e_2', 'e_3', X ) )
% 0.71/1.15     ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 252, [ equalish( X, 'e_1' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 251, [ equalish( X, 'e_2' ), ~( product( 'e_3', X, 'e_1' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 250, [ equalish( X, 'e_3' ), ~( product( X, 'e_2', 'e_1' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 247, [ product( 'e_3', 'e_2', 'e_1' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 175, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 174, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 173, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_4' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 226, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_4' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 225, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_3', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 224, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 0.71/1.15    product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 'e_1', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 233, [ product( 'e_3', 'e_4', 'e_1' ), product( X, 'e_4', 'e_2' ), 
% 0.71/1.15    ~( product( 'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 84, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 
% 0.71/1.15    'e_2', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 236, [ equalish( X, 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.71/1.15    product( 'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 235, [ equalish( X, 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.71/1.15    product( 'e_1', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 234, [ equalish( X, 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.71/1.15    product( X, 'e_2', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 231, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_4'
% 0.71/1.15     ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 83, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 
% 0.71/1.15    'e_2', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 160, [ product( 'e_3', 'e_4', 'e_1' ), product( X, 'e_2', 'e_4' ), 
% 0.71/1.15    ~( product( 'e_4', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 208, [ product( X, 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), 
% 0.71/1.15    ~( product( 'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 82, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( X, 
% 0.71/1.15    'e_3', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 221, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.71/1.15     ), product( 'e_3', 'e_1', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 216, [ product( X, 'e_1', 'e_4' ), ~( product( 'e_4', 'e_2', X ) )
% 0.71/1.15     ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 81, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_3' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.71/1.15    product( 'e_3', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 219, [ equalish( X, 'e_1' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 218, [ equalish( X, 'e_4' ), ~( product( 'e_2', X, 'e_1' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 217, [ equalish( X, 'e_2' ), ~( product( X, 'e_4', 'e_1' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 215, [ product( 'e_2', 'e_4', 'e_1' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 211, [ equalish( X, 'e_3' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.71/1.15    product( 'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 210, [ equalish( X, 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.71/1.15    product( 'e_2', X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 209, [ equalish( X, 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.71/1.15    product( X, 'e_1', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 205, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_3'
% 0.71/1.15     ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 199, [ product( X, 'e_1', 'e_3' ), ~( product( 'e_3', 'e_4', X ) )
% 0.71/1.15     ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 202, [ equalish( X, 'e_1' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 201, [ equalish( X, 'e_3' ), ~( product( 'e_4', X, 'e_1' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 200, [ equalish( X, 'e_4' ), ~( product( X, 'e_3', 'e_1' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 198, [ product( 'e_4', 'e_3', 'e_1' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 168, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 0.71/1.15     ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 163, [ equalish( X, 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.71/1.15    product( 'e_3', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 162, [ equalish( X, 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.71/1.15    product( 'e_3', X, 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 161, [ equalish( X, 'e_3' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 0.71/1.15    product( X, 'e_4', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 158, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 0.71/1.15     ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 66, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 0.71/1.15     ), product( 'e_1', 'e_2', 'e_3' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 62, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_4' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( 
% 0.71/1.15    'e_3', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 61, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_1' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( 
% 0.71/1.15    'e_3', X, 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 60, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.71/1.15     ), equalish( X, 'e_3' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( X, 
% 0.71/1.15    'e_1', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 103, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_3' ), 
% 0.71/1.15    product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_4', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 102, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_4' ), 
% 0.71/1.15    product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 59, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.71/1.15     ), product( X, 'e_4', 'e_1' ), product( 'e_3', 'e_1', 'e_3' ), ~( 
% 0.71/1.15    product( 'e_1', 'e_3', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 101, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 0.71/1.15    product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 99, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 0.71/1.15     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 55, [ product( 'e_2', 'e_1', 'e_1' ), product( X, 'e_3', 'e_1' ), 
% 0.71/1.15    product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 44, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 0.71/1.15    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 0.71/1.15    'group_element'( X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 75, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 0.71/1.15     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 43, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 0.71/1.15    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 0.71/1.15    'group_element'( X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 42, [ product( X, 'e_2', 'e_4' ), product( X, 'e_2', 'e_1' ), 
% 0.71/1.15    product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 0.71/1.15    'group_element'( X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 53, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 0.71/1.15     ), product( 'e_3', 'e_1', 'e_3' ), product( 'e_3', 'e_1', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 58, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_3' ), product( 
% 0.71/1.15    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 57, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 0.71/1.15    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 32, [ product( X, X, 'e_4' ), product( X, X, 'e_1' ), product( X, X
% 0.71/1.15    , 'e_2' ), product( X, X, 'e_3' ), ~( 'group_element'( X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 56, [ product( 'e_2', 'e_1', 'e_1' ), equalish( X, 'e_2' ), product( 
% 0.71/1.15    'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 52, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 0.71/1.15     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 41, [ product( X, 'e_1', 'e_4' ), product( X, 'e_1', 'e_1' ), 
% 0.71/1.15    product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_3' ), ~( 
% 0.71/1.15    'group_element'( X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 51, [ product( Y, X, X ), ~( product( X, X, Y ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 31, [ ~( product( X, Y, Z ) ), product( Z, T, X ), ~( product( Y, X
% 0.71/1.15    , T ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 50, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 29, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 0.71/1.15    Z ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 49, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 48, [ ~( product( 'e_1', 'e_1', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 28, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 0.71/1.15    Z ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 47, [ ~( product( 'e_1', 'e_1', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 39, [ ~( product( 'e_1', 'e_1', X ) ), ~( greater( X, 'e_2' ) ) ]
% 0.71/1.15     )
% 0.71/1.15  .
% 0.71/1.15  clause( 46, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 45, [ ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 27, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 0.71/1.15    T ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 38, [ ~( product( 'e_2', 'e_1', X ) ), ~( greater( X, 'e_3' ) ) ]
% 0.71/1.15     )
% 0.71/1.15  .
% 0.71/1.15  clause( 37, [ ~( product( 'e_3', 'e_1', X ) ), ~( greater( X, 'e_4' ) ) ]
% 0.71/1.15     )
% 0.71/1.15  .
% 0.71/1.15  clause( 36, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 26, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( X
% 0.71/1.15    , Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 0.71/1.15    'group_element'( Y ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 40, [ equalish( X, X ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 16, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 15, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 17, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 18, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 19, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 20, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 14, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 21, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 22, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 23, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 24, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 9, [ ~( product( X, 'e_1', Y ) ), ~( greater( Y, Z ) ), ~( next( X
% 0.71/1.15    , Z ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 25, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 30, [ product( X, X, X ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 2, [ next( 'e_3', 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 3, [ greater( 'e_2', 'e_1' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 1, [ next( 'e_2', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 4, [ greater( 'e_3', 'e_1' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 5, [ greater( 'e_4', 'e_1' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 6, [ greater( 'e_3', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 7, [ greater( 'e_4', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 0, [ next( 'e_1', 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 8, [ greater( 'e_4', 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 10, [ 'group_element'( 'e_1' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 11, [ 'group_element'( 'e_2' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 12, [ 'group_element'( 'e_3' ) ] )
% 0.71/1.15  .
% 0.71/1.15  clause( 13, [ 'group_element'( 'e_4' ) ] )
% 0.71/1.15  .
% 0.71/1.15  
% 0.71/1.15  
% 0.71/1.15  % SZS output end Saturation
% 0.71/1.15  end of saturation!
% 0.71/1.15  
% 0.71/1.15  Memory use:
% 0.71/1.15  
% 0.71/1.15  space for terms:        8798
% 0.71/1.15  space for clauses:      20256
% 0.71/1.15  
% 0.71/1.15  
% 0.71/1.15  clauses generated:      1887
% 0.71/1.15  clauses kept:           476
% 0.71/1.15  clauses selected:       316
% 0.71/1.15  clauses deleted:        252
% 0.71/1.15  clauses inuse deleted:  92
% 0.71/1.15  
% 0.71/1.15  subsentry:          7520
% 0.71/1.15  literals s-matched: 3676
% 0.71/1.15  literals matched:   3196
% 0.71/1.15  full subsumption:   503
% 0.71/1.15  
% 0.71/1.15  checksum:           372106652
% 0.71/1.15  
% 0.71/1.15  
% 0.71/1.15  Bliksem ended
%------------------------------------------------------------------------------