TSTP Solution File: SYO621-1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SYO621-1 : TPTP v8.1.0. Released v7.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n009.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 14:28:55 EDT 2022

% Result   : Timeout 300.06s 300.43s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SYO621-1 : TPTP v8.1.0. Released v7.1.0.
% 0.11/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n009.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
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % DateTime : Sat Jul  9 01:14:52 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 49.97/50.33  *** allocated 10000 integers for termspace/termends
% 49.97/50.33  *** allocated 10000 integers for clauses
% 49.97/50.33  *** allocated 10000 integers for justifications
% 49.97/50.33  Bliksem 1.12
% 49.97/50.33  
% 49.97/50.33  
% 49.97/50.33  Automatic Strategy Selection
% 49.97/50.33  
% 49.97/50.33  Clauses:
% 49.97/50.33  [
% 49.97/50.33     [ le( X, X ) ],
% 49.97/50.33     [ ~( le( max( X, Y ), Z ) ), le( X, Z ) ],
% 49.97/50.33     [ ~( le( max( X, Y ), Z ) ), le( Y, Z ) ],
% 49.97/50.33     [ eq( f( X ), a0 ), eq( f( X ), a1 ), eq( f( X ), a2 ), eq( f( X ), a3 )
% 49.97/50.33     ],
% 49.97/50.33     [ ~( eq( f( X ), a0 ) ), ~( eq( f( Y ), a0 ) ), ~( eq( f( Z ), a0 ) ), 
% 49.97/50.33    ~( eq( f( T ), a0 ) ), ~( eq( f( U ), a0 ) ), ~( eq( f( W ), a0 ) ), ~( 
% 49.97/50.33    eq( f( V0 ), a0 ) ), ~( le( s( X ), Y ) ), ~( le( s( Y ), Z ) ), ~( le( s( 
% 49.97/50.33    Z ), T ) ), ~( le( s( T ), U ) ), ~( le( s( U ), W ) ), ~( le( s( W ), V0
% 49.97/50.33     ) ) ],
% 49.97/50.33     [ ~( eq( f( X ), a1 ) ), ~( eq( f( Y ), a1 ) ), ~( eq( f( Z ), a1 ) ), 
% 49.97/50.33    ~( eq( f( T ), a1 ) ), ~( eq( f( U ), a1 ) ), ~( eq( f( W ), a1 ) ), ~( 
% 49.97/50.33    eq( f( V0 ), a1 ) ), ~( le( s( X ), Y ) ), ~( le( s( Y ), Z ) ), ~( le( s( 
% 49.97/50.33    Z ), T ) ), ~( le( s( T ), U ) ), ~( le( s( U ), W ) ), ~( le( s( W ), V0
% 49.97/50.33     ) ) ],
% 49.97/50.33     [ ~( eq( f( X ), a2 ) ), ~( eq( f( Y ), a2 ) ), ~( eq( f( Z ), a2 ) ), 
% 49.97/50.33    ~( eq( f( T ), a2 ) ), ~( eq( f( U ), a2 ) ), ~( eq( f( W ), a2 ) ), ~( 
% 49.97/50.33    eq( f( V0 ), a2 ) ), ~( le( s( X ), Y ) ), ~( le( s( Y ), Z ) ), ~( le( s( 
% 49.97/50.33    Z ), T ) ), ~( le( s( T ), U ) ), ~( le( s( U ), W ) ), ~( le( s( W ), V0
% 49.97/50.33     ) ) ],
% 49.97/50.33     [ ~( eq( f( X ), a3 ) ), ~( eq( f( Y ), a3 ) ), ~( eq( f( Z ), a3 ) ), 
% 49.97/50.33    ~( eq( f( T ), a3 ) ), ~( eq( f( U ), a3 ) ), ~( eq( f( W ), a3 ) ), ~( 
% 49.97/50.33    eq( f( V0 ), a3 ) ), ~( le( s( X ), Y ) ), ~( le( s( Y ), Z ) ), ~( le( s( 
% 49.97/50.33    Z ), T ) ), ~( le( s( T ), U ) ), ~( le( s( U ), W ) ), ~( le( s( W ), V0
% 49.97/50.33     ) ) ]
% 49.97/50.33  ] .
% 49.97/50.33  
% 49.97/50.33  
% 49.97/50.33  percentage equality = 0.000000, percentage horn = 0.875000
% 49.97/50.33  This a non-horn, non-equality problem
% 49.97/50.33  
% 49.97/50.33  
% 49.97/50.33  Options Used:
% 49.97/50.33  
% 49.97/50.33  useres =            1
% 49.97/50.33  useparamod =        0
% 49.97/50.33  useeqrefl =         0
% 49.97/50.33  useeqfact =         0
% 49.97/50.33  usefactor =         1
% 49.97/50.33  usesimpsplitting =  0
% 49.97/50.33  usesimpdemod =      0
% 49.97/50.33  usesimpres =        3
% 49.97/50.33  
% 49.97/50.33  resimpinuse      =  1000
% 49.97/50.33  resimpclauses =     20000
% 49.97/50.33  substype =          standard
% 49.97/50.33  backwardsubs =      1
% 49.97/50.33  selectoldest =      5
% 49.97/50.33  
% 49.97/50.33  litorderings [0] =  split
% 49.97/50.33  litorderings [1] =  liftord
% 49.97/50.33  
% 49.97/50.33  termordering =      none
% 49.97/50.33  
% 49.97/50.33  litapriori =        1
% 49.97/50.33  termapriori =       0
% 49.97/50.33  litaposteriori =    0
% 49.97/50.33  termaposteriori =   0
% 49.97/50.33  demodaposteriori =  0
% 49.97/50.33  ordereqreflfact =   0
% 49.97/50.33  
% 49.97/50.33  litselect =         none
% 49.97/50.33  
% 49.97/50.33  maxweight =         15
% 49.97/50.33  maxdepth =          30000
% 49.97/50.33  maxlength =         115
% 49.97/50.33  maxnrvars =         195
% 49.97/50.33  excuselevel =       1
% 49.97/50.33  increasemaxweight = 1
% 49.97/50.33  
% 49.97/50.33  maxselected =       10000000
% 49.97/50.33  maxnrclauses =      10000000
% 49.97/50.33  
% 49.97/50.33  showgenerated =    0
% 49.97/50.33  showkept =         0
% 49.97/50.33  showselected =     0
% 49.97/50.33  showdeleted =      0
% 49.97/50.33  showresimp =       1
% 49.97/50.33  showstatus =       2000
% 49.97/50.33  
% 49.97/50.33  prologoutput =     1
% 49.97/50.33  nrgoals =          5000000
% 49.97/50.33  totalproof =       1
% 49.97/50.33  
% 49.97/50.33  Symbols occurring in the translation:
% 49.97/50.33  
% 49.97/50.33  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 49.97/50.33  .  [1, 2]      (w:1, o:30, a:1, s:1, b:0), 
% 49.97/50.33  !  [4, 1]      (w:0, o:23, a:1, s:1, b:0), 
% 49.97/50.33  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 49.97/50.33  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 49.97/50.33  le  [40, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 49.97/50.33  max  [42, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 49.97/50.33  f  [44, 1]      (w:1, o:28, a:1, s:1, b:0), 
% 49.97/50.33  a0  [45, 0]      (w:1, o:19, a:1, s:1, b:0), 
% 49.97/50.33  eq  [46, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 49.97/50.33  a1  [47, 0]      (w:1, o:20, a:1, s:1, b:0), 
% 49.97/50.33  a2  [48, 0]      (w:1, o:21, a:1, s:1, b:0), 
% 49.97/50.33  a3  [49, 0]      (w:1, o:22, a:1, s:1, b:0), 
% 49.97/50.33  s  [57, 1]      (w:1, o:29, a:1, s:1, b:0).
% 49.97/50.33  
% 49.97/50.33  
% 49.97/50.33  Starting Search:
% 49.97/50.33  
% 49.97/50.33  Resimplifying inuse:
% 49.97/50.33  Done
% 49.97/50.33  
% 49.97/50.33  Failed to find proof!
% 49.97/50.33  maxweight =   15
% 49.97/50.33  maxnrclauses = 10000000
% 49.97/50.33  Generated: 5692
% 49.97/50.33  Kept: 193
% 49.97/50.33  
% 49.97/50.33  
% 49.97/50.33  The strategy used was not complete!
% 49.97/50.33  
% 49.97/50.33  Increased maxweight to 16
% 49.97/50.33  
% 49.97/50.33  Starting Search:
% 49.97/50.33  
% 49.97/50.33  Resimplifying inuse:
% 49.97/50.33  Done
% 49.97/50.33  
% 49.97/50.33  Failed to find proof!
% 49.97/50.33  maxweight =   16
% 49.97/50.33  maxnrclauses = 10000000
% 49.97/50.33  Generated: 12732
% 49.97/50.33  Kept: 225
% 49.97/50.33  
% 49.97/50.33  
% 49.97/50.33  The strategy used was not complete!
% 49.97/50.33  
% 49.97/50.33  Increased maxweight to 17
% 49.97/50.33  
% 49.97/50.33  Starting Search:
% 49.97/50.33  
% 49.97/50.33  Resimplifying inuse:
% 49.97/50.33  Done
% 49.97/50.33  
% 49.97/50.33  Failed to find proof!
% 49.97/50.33  maxweight =   17
% 49.97/50.33  maxnrclauses = 10000000
% 49.97/50.33  Generated: 20668
% 49.97/50.33  Kept: 353
% 49.97/50.33  
% 49.97/50.33  
% 49.97/50.33  The strategy used was not complete!
% 49.97/50.33  
% 49.97/50.33  Increased maxweight to 18
% 49.97/50.33  
% 49.97/50.33  Starting Search:
% 49.97/50.33  
% 49.97/50.33  Resimplifying inuse:
% 49.97/50.33  Done
% 49.97/50.33  
% 49.97/50.33  Failed to find proof!
% 49.97/50.33  maxweight =   18
% 49.97/50.33  maxnrclauses = 10000000
% 49.97/50.33  Generated: 49084
% 220.42/220.80  Kept: 417
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  The strategy used was not complete!
% 220.42/220.80  
% 220.42/220.80  Increased maxweight to 19
% 220.42/220.80  
% 220.42/220.80  Starting Search:
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Failed to find proof!
% 220.42/220.80  maxweight =   19
% 220.42/220.80  maxnrclauses = 10000000
% 220.42/220.80  Generated: 81340
% 220.42/220.80  Kept: 673
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  The strategy used was not complete!
% 220.42/220.80  
% 220.42/220.80  Increased maxweight to 20
% 220.42/220.80  
% 220.42/220.80  Starting Search:
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Failed to find proof!
% 220.42/220.80  maxweight =   20
% 220.42/220.80  maxnrclauses = 10000000
% 220.42/220.80  Generated: 195516
% 220.42/220.80  Kept: 801
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  The strategy used was not complete!
% 220.42/220.80  
% 220.42/220.80  Increased maxweight to 21
% 220.42/220.80  
% 220.42/220.80  Starting Search:
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Failed to find proof!
% 220.42/220.80  maxweight =   21
% 220.42/220.80  maxnrclauses = 10000000
% 220.42/220.80  Generated: 325564
% 220.42/220.80  Kept: 1313
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  The strategy used was not complete!
% 220.42/220.80  
% 220.42/220.80  Increased maxweight to 22
% 220.42/220.80  
% 220.42/220.80  Starting Search:
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Failed to find proof!
% 220.42/220.80  maxweight =   22
% 220.42/220.80  maxnrclauses = 10000000
% 220.42/220.80  Generated: 783292
% 220.42/220.80  Kept: 1569
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  The strategy used was not complete!
% 220.42/220.80  
% 220.42/220.80  Increased maxweight to 23
% 220.42/220.80  
% 220.42/220.80  Starting Search:
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    4540
% 220.42/220.80  Kept:         2001
% 220.42/220.80  Inuse:        141
% 220.42/220.80  Deleted:      8
% 220.42/220.80  Deletedinuse: 0
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Failed to find proof!
% 220.42/220.80  maxweight =   23
% 220.42/220.80  maxnrclauses = 10000000
% 220.42/220.80  Generated: 1305532
% 220.42/220.80  Kept: 2593
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  The strategy used was not complete!
% 220.42/220.80  
% 220.42/220.80  Increased maxweight to 24
% 220.42/220.80  
% 220.42/220.80  Starting Search:
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    4551
% 220.42/220.80  Kept:         2021
% 220.42/220.80  Inuse:        145
% 220.42/220.80  Deleted:      18
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    9455
% 220.42/220.80  Kept:         4035
% 220.42/220.80  Inuse:        263
% 220.42/220.80  Deleted:      25
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Failed to find proof!
% 220.42/220.80  maxweight =   24
% 220.42/220.80  maxnrclauses = 10000000
% 220.42/220.80  Generated: 5230594
% 220.42/220.80  Kept: 5174
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  The strategy used was not complete!
% 220.42/220.80  
% 220.42/220.80  Increased maxweight to 25
% 220.42/220.80  
% 220.42/220.80  Starting Search:
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    4551
% 220.42/220.80  Kept:         2021
% 220.42/220.80  Inuse:        145
% 220.42/220.80  Deleted:      18
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    8669
% 220.42/220.80  Kept:         4081
% 220.42/220.80  Inuse:        260
% 220.42/220.80  Deleted:      25
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    13863
% 220.42/220.80  Kept:         6181
% 220.42/220.80  Inuse:        282
% 220.42/220.80  Deleted:      25
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Failed to find proof!
% 220.42/220.80  maxweight =   25
% 220.42/220.80  maxnrclauses = 10000000
% 220.42/220.80  Generated: 7323650
% 220.42/220.80  Kept: 7222
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  The strategy used was not complete!
% 220.42/220.80  
% 220.42/220.80  Increased maxweight to 26
% 220.42/220.80  
% 220.42/220.80  Starting Search:
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    4551
% 220.42/220.80  Kept:         2021
% 220.42/220.80  Inuse:        145
% 220.42/220.80  Deleted:      18
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    8411
% 220.42/220.80  Kept:         4027
% 220.42/220.80  Inuse:        259
% 220.42/220.80  Deleted:      25
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    12635
% 220.42/220.80  Kept:         6153
% 220.42/220.80  Inuse:        277
% 220.42/220.80  Deleted:      25
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    17077
% 220.42/220.80  Kept:         8306
% 220.42/220.80  Inuse:        294
% 220.42/220.80  Deleted:      25
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Failed to find proof!
% 220.42/220.80  maxweight =   26
% 220.42/220.80  maxnrclauses = 10000000
% 220.42/220.80  Generated: 20945922
% 220.42/220.80  Kept: 10294
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  The strategy used was not complete!
% 220.42/220.80  
% 220.42/220.80  Increased maxweight to 27
% 220.42/220.80  
% 220.42/220.80  Starting Search:
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    4551
% 220.42/220.80  Kept:         2021
% 220.42/220.80  Inuse:        145
% 220.42/220.80  Deleted:      18
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    8411
% 220.42/220.80  Kept:         4027
% 220.42/220.80  Inuse:        259
% 220.42/220.80  Deleted:      25
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    12346
% 220.42/220.80  Kept:         6071
% 220.42/220.80  Inuse:        276
% 220.42/220.80  Deleted:      25
% 220.42/220.80  Deletedinuse: 4
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  Resimplifying inuse:
% 220.42/220.80  Done
% 220.42/220.80  
% 220.42/220.80  
% 220.42/220.80  Intermediate Status:
% 220.42/220.80  Generated:    16Cputime limit exceeded (core dumped)
%------------------------------------------------------------------------------