TSTP Solution File: SET891+1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET891+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n018.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 : Mon Jul 18 22:53:10 EDT 2022

% Result   : Theorem 0.74s 1.09s
% Output   : Refutation 0.74s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET891+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n018.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 : Sun Jul 10 15:58:58 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.74/1.09  *** allocated 10000 integers for termspace/termends
% 0.74/1.09  *** allocated 10000 integers for clauses
% 0.74/1.09  *** allocated 10000 integers for justifications
% 0.74/1.09  Bliksem 1.12
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  Automatic Strategy Selection
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  Clauses:
% 0.74/1.09  
% 0.74/1.09  { unordered_pair( X, Y ) = unordered_pair( Y, X ) }.
% 0.74/1.09  { set_union2( X, Y ) = set_union2( Y, X ) }.
% 0.74/1.09  { empty( X ), ! empty( set_union2( X, Y ) ) }.
% 0.74/1.09  { empty( X ), ! empty( set_union2( Y, X ) ) }.
% 0.74/1.09  { set_union2( X, X ) = X }.
% 0.74/1.09  { union( unordered_pair( X, Y ) ) = set_union2( X, Y ) }.
% 0.74/1.09  { empty( skol1 ) }.
% 0.74/1.09  { ! empty( skol2 ) }.
% 0.74/1.09  { ! union( unordered_pair( singleton( skol3 ), singleton( skol4 ) ) ) = 
% 0.74/1.09    unordered_pair( skol3, skol4 ) }.
% 0.74/1.09  { unordered_pair( X, Y ) = set_union2( singleton( X ), singleton( Y ) ) }.
% 0.74/1.09  
% 0.74/1.09  percentage equality = 0.500000, percentage horn = 1.000000
% 0.74/1.09  This is a problem with some equality
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  Options Used:
% 0.74/1.09  
% 0.74/1.09  useres =            1
% 0.74/1.09  useparamod =        1
% 0.74/1.09  useeqrefl =         1
% 0.74/1.09  useeqfact =         1
% 0.74/1.09  usefactor =         1
% 0.74/1.09  usesimpsplitting =  0
% 0.74/1.09  usesimpdemod =      5
% 0.74/1.09  usesimpres =        3
% 0.74/1.09  
% 0.74/1.09  resimpinuse      =  1000
% 0.74/1.09  resimpclauses =     20000
% 0.74/1.09  substype =          eqrewr
% 0.74/1.09  backwardsubs =      1
% 0.74/1.09  selectoldest =      5
% 0.74/1.09  
% 0.74/1.09  litorderings [0] =  split
% 0.74/1.09  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.74/1.09  
% 0.74/1.09  termordering =      kbo
% 0.74/1.09  
% 0.74/1.09  litapriori =        0
% 0.74/1.09  termapriori =       1
% 0.74/1.09  litaposteriori =    0
% 0.74/1.09  termaposteriori =   0
% 0.74/1.09  demodaposteriori =  0
% 0.74/1.09  ordereqreflfact =   0
% 0.74/1.09  
% 0.74/1.09  litselect =         negord
% 0.74/1.09  
% 0.74/1.09  maxweight =         15
% 0.74/1.09  maxdepth =          30000
% 0.74/1.09  maxlength =         115
% 0.74/1.09  maxnrvars =         195
% 0.74/1.09  excuselevel =       1
% 0.74/1.09  increasemaxweight = 1
% 0.74/1.09  
% 0.74/1.09  maxselected =       10000000
% 0.74/1.09  maxnrclauses =      10000000
% 0.74/1.09  
% 0.74/1.09  showgenerated =    0
% 0.74/1.09  showkept =         0
% 0.74/1.09  showselected =     0
% 0.74/1.09  showdeleted =      0
% 0.74/1.09  showresimp =       1
% 0.74/1.09  showstatus =       2000
% 0.74/1.09  
% 0.74/1.09  prologoutput =     0
% 0.74/1.09  nrgoals =          5000000
% 0.74/1.09  totalproof =       1
% 0.74/1.09  
% 0.74/1.09  Symbols occurring in the translation:
% 0.74/1.09  
% 0.74/1.09  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.74/1.09  .  [1, 2]      (w:1, o:20, a:1, s:1, b:0), 
% 0.74/1.09  !  [4, 1]      (w:0, o:12, a:1, s:1, b:0), 
% 0.74/1.09  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.74/1.09  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.74/1.09  unordered_pair  [37, 2]      (w:1, o:44, a:1, s:1, b:0), 
% 0.74/1.09  set_union2  [38, 2]      (w:1, o:45, a:1, s:1, b:0), 
% 0.74/1.09  empty  [39, 1]      (w:1, o:17, a:1, s:1, b:0), 
% 0.74/1.09  union  [40, 1]      (w:1, o:18, a:1, s:1, b:0), 
% 0.74/1.09  singleton  [41, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 0.74/1.09  skol1  [42, 0]      (w:1, o:8, a:1, s:1, b:1), 
% 0.74/1.09  skol2  [43, 0]      (w:1, o:9, a:1, s:1, b:1), 
% 0.74/1.09  skol3  [44, 0]      (w:1, o:10, a:1, s:1, b:1), 
% 0.74/1.09  skol4  [45, 0]      (w:1, o:11, a:1, s:1, b:1).
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  Starting Search:
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  Bliksems!, er is een bewijs:
% 0.74/1.09  % SZS status Theorem
% 0.74/1.09  % SZS output start Refutation
% 0.74/1.09  
% 0.74/1.09  (5) {G0,W8,D4,L1,V2,M1} I { union( unordered_pair( X, Y ) ) ==> set_union2
% 0.74/1.09    ( X, Y ) }.
% 0.74/1.09  (8) {G1,W9,D4,L1,V0,M1} I;d(5) { ! set_union2( singleton( skol3 ), 
% 0.74/1.09    singleton( skol4 ) ) ==> unordered_pair( skol3, skol4 ) }.
% 0.74/1.09  (9) {G0,W9,D4,L1,V2,M1} I { set_union2( singleton( X ), singleton( Y ) ) 
% 0.74/1.09    ==> unordered_pair( X, Y ) }.
% 0.74/1.09  (36) {G2,W0,D0,L0,V0,M0} S(8);d(9);q {  }.
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  % SZS output end Refutation
% 0.74/1.09  found a proof!
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  Unprocessed initial clauses:
% 0.74/1.09  
% 0.74/1.09  (38) {G0,W7,D3,L1,V2,M1}  { unordered_pair( X, Y ) = unordered_pair( Y, X )
% 0.74/1.09     }.
% 0.74/1.09  (39) {G0,W7,D3,L1,V2,M1}  { set_union2( X, Y ) = set_union2( Y, X ) }.
% 0.74/1.09  (40) {G0,W6,D3,L2,V2,M2}  { empty( X ), ! empty( set_union2( X, Y ) ) }.
% 0.74/1.09  (41) {G0,W6,D3,L2,V2,M2}  { empty( X ), ! empty( set_union2( Y, X ) ) }.
% 0.74/1.09  (42) {G0,W5,D3,L1,V1,M1}  { set_union2( X, X ) = X }.
% 0.74/1.09  (43) {G0,W8,D4,L1,V2,M1}  { union( unordered_pair( X, Y ) ) = set_union2( X
% 0.74/1.09    , Y ) }.
% 0.74/1.09  (44) {G0,W2,D2,L1,V0,M1}  { empty( skol1 ) }.
% 0.74/1.09  (45) {G0,W2,D2,L1,V0,M1}  { ! empty( skol2 ) }.
% 0.74/1.09  (46) {G0,W10,D5,L1,V0,M1}  { ! union( unordered_pair( singleton( skol3 ), 
% 0.74/1.09    singleton( skol4 ) ) ) = unordered_pair( skol3, skol4 ) }.
% 0.74/1.09  (47) {G0,W9,D4,L1,V2,M1}  { unordered_pair( X, Y ) = set_union2( singleton
% 0.74/1.09    ( X ), singleton( Y ) ) }.
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  Total Proof:
% 0.74/1.09  
% 0.74/1.09  subsumption: (5) {G0,W8,D4,L1,V2,M1} I { union( unordered_pair( X, Y ) ) 
% 0.74/1.09    ==> set_union2( X, Y ) }.
% 0.74/1.09  parent0: (43) {G0,W8,D4,L1,V2,M1}  { union( unordered_pair( X, Y ) ) = 
% 0.74/1.09    set_union2( X, Y ) }.
% 0.74/1.09  substitution0:
% 0.74/1.09     X := X
% 0.74/1.09     Y := Y
% 0.74/1.09  end
% 0.74/1.09  permutation0:
% 0.74/1.09     0 ==> 0
% 0.74/1.09  end
% 0.74/1.09  
% 0.74/1.09  paramod: (64) {G1,W9,D4,L1,V0,M1}  { ! set_union2( singleton( skol3 ), 
% 0.74/1.09    singleton( skol4 ) ) = unordered_pair( skol3, skol4 ) }.
% 0.74/1.09  parent0[0]: (5) {G0,W8,D4,L1,V2,M1} I { union( unordered_pair( X, Y ) ) ==>
% 0.74/1.09     set_union2( X, Y ) }.
% 0.74/1.09  parent1[0; 2]: (46) {G0,W10,D5,L1,V0,M1}  { ! union( unordered_pair( 
% 0.74/1.09    singleton( skol3 ), singleton( skol4 ) ) ) = unordered_pair( skol3, skol4
% 0.74/1.09     ) }.
% 0.74/1.09  substitution0:
% 0.74/1.09     X := singleton( skol3 )
% 0.74/1.09     Y := singleton( skol4 )
% 0.74/1.09  end
% 0.74/1.09  substitution1:
% 0.74/1.09  end
% 0.74/1.09  
% 0.74/1.09  subsumption: (8) {G1,W9,D4,L1,V0,M1} I;d(5) { ! set_union2( singleton( 
% 0.74/1.09    skol3 ), singleton( skol4 ) ) ==> unordered_pair( skol3, skol4 ) }.
% 0.74/1.09  parent0: (64) {G1,W9,D4,L1,V0,M1}  { ! set_union2( singleton( skol3 ), 
% 0.74/1.09    singleton( skol4 ) ) = unordered_pair( skol3, skol4 ) }.
% 0.74/1.09  substitution0:
% 0.74/1.09  end
% 0.74/1.09  permutation0:
% 0.74/1.09     0 ==> 0
% 0.74/1.09  end
% 0.74/1.09  
% 0.74/1.09  eqswap: (69) {G0,W9,D4,L1,V2,M1}  { set_union2( singleton( X ), singleton( 
% 0.74/1.09    Y ) ) = unordered_pair( X, Y ) }.
% 0.74/1.09  parent0[0]: (47) {G0,W9,D4,L1,V2,M1}  { unordered_pair( X, Y ) = set_union2
% 0.74/1.09    ( singleton( X ), singleton( Y ) ) }.
% 0.74/1.09  substitution0:
% 0.74/1.09     X := X
% 0.74/1.09     Y := Y
% 0.74/1.09  end
% 0.74/1.09  
% 0.74/1.09  subsumption: (9) {G0,W9,D4,L1,V2,M1} I { set_union2( singleton( X ), 
% 0.74/1.09    singleton( Y ) ) ==> unordered_pair( X, Y ) }.
% 0.74/1.09  parent0: (69) {G0,W9,D4,L1,V2,M1}  { set_union2( singleton( X ), singleton
% 0.74/1.09    ( Y ) ) = unordered_pair( X, Y ) }.
% 0.74/1.09  substitution0:
% 0.74/1.09     X := X
% 0.74/1.09     Y := Y
% 0.74/1.09  end
% 0.74/1.09  permutation0:
% 0.74/1.09     0 ==> 0
% 0.74/1.09  end
% 0.74/1.09  
% 0.74/1.09  paramod: (72) {G1,W7,D3,L1,V0,M1}  { ! unordered_pair( skol3, skol4 ) ==> 
% 0.74/1.09    unordered_pair( skol3, skol4 ) }.
% 0.74/1.09  parent0[0]: (9) {G0,W9,D4,L1,V2,M1} I { set_union2( singleton( X ), 
% 0.74/1.09    singleton( Y ) ) ==> unordered_pair( X, Y ) }.
% 0.74/1.09  parent1[0; 2]: (8) {G1,W9,D4,L1,V0,M1} I;d(5) { ! set_union2( singleton( 
% 0.74/1.09    skol3 ), singleton( skol4 ) ) ==> unordered_pair( skol3, skol4 ) }.
% 0.74/1.09  substitution0:
% 0.74/1.09     X := skol3
% 0.74/1.09     Y := skol4
% 0.74/1.09  end
% 0.74/1.09  substitution1:
% 0.74/1.09  end
% 0.74/1.09  
% 0.74/1.09  eqrefl: (73) {G0,W0,D0,L0,V0,M0}  {  }.
% 0.74/1.09  parent0[0]: (72) {G1,W7,D3,L1,V0,M1}  { ! unordered_pair( skol3, skol4 ) 
% 0.74/1.09    ==> unordered_pair( skol3, skol4 ) }.
% 0.74/1.09  substitution0:
% 0.74/1.09  end
% 0.74/1.09  
% 0.74/1.09  subsumption: (36) {G2,W0,D0,L0,V0,M0} S(8);d(9);q {  }.
% 0.74/1.09  parent0: (73) {G0,W0,D0,L0,V0,M0}  {  }.
% 0.74/1.09  substitution0:
% 0.74/1.09  end
% 0.74/1.09  permutation0:
% 0.74/1.09  end
% 0.74/1.09  
% 0.74/1.09  Proof check complete!
% 0.74/1.09  
% 0.74/1.09  Memory use:
% 0.74/1.09  
% 0.74/1.09  space for terms:        496
% 0.74/1.09  space for clauses:      2440
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  clauses generated:      112
% 0.74/1.09  clauses kept:           37
% 0.74/1.09  clauses selected:       15
% 0.74/1.09  clauses deleted:        1
% 0.74/1.09  clauses inuse deleted:  0
% 0.74/1.09  
% 0.74/1.09  subsentry:          201
% 0.74/1.09  literals s-matched: 153
% 0.74/1.09  literals matched:   153
% 0.74/1.09  full subsumption:   0
% 0.74/1.09  
% 0.74/1.09  checksum:           1838087666
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  Bliksem ended
%------------------------------------------------------------------------------