TSTP Solution File: SWC079-1 by Vampire---4.8

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%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : SWC079-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s

% Computer : n015.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 20:56:21 EDT 2023

% Result   : Unsatisfiable 0.22s 0.52s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :   36
% Syntax   : Number of formulae    :  130 (  17 unt;   0 def)
%            Number of atoms       :  402 (  72 equ)
%            Maximal formula atoms :    7 (   3 avg)
%            Number of connectives :  500 ( 228   ~; 264   |;   0   &)
%                                         (   8 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   15 (  13 usr;   9 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;   7 con; 0-2 aty)
%            Number of variables   :   64 (;  64   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f3220,plain,
    $false,
    inference(avatar_sat_refutation,[],[f262,f344,f358,f399,f406,f573,f3194,f3216,f3219]) ).

fof(f3219,plain,
    spl2_77,
    inference(avatar_contradiction_clause,[],[f3218]) ).

fof(f3218,plain,
    ( $false
    | spl2_77 ),
    inference(subsumption_resolution,[],[f3217,f198]) ).

fof(f198,plain,
    ssList(sk3),
    inference(definition_unfolding,[],[f186,f191]) ).

fof(f191,axiom,
    sk1 = sk3,
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',co1_6) ).

fof(f186,axiom,
    ssList(sk1),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',co1_1) ).

fof(f3217,plain,
    ( ~ ssList(sk3)
    | spl2_77 ),
    inference(resolution,[],[f3193,f57]) ).

fof(f57,axiom,
    ! [X0] :
      ( segmentP(X0,X0)
      | ~ ssList(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause57) ).

fof(f3193,plain,
    ( ~ segmentP(sk3,sk3)
    | spl2_77 ),
    inference(avatar_component_clause,[],[f3191]) ).

fof(f3191,plain,
    ( spl2_77
  <=> segmentP(sk3,sk3) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_77])]) ).

fof(f3216,plain,
    ( ~ spl2_1
    | spl2_15
    | spl2_76 ),
    inference(avatar_contradiction_clause,[],[f3215]) ).

fof(f3215,plain,
    ( $false
    | ~ spl2_1
    | spl2_15
    | spl2_76 ),
    inference(subsumption_resolution,[],[f3214,f198]) ).

fof(f3214,plain,
    ( ~ ssList(sk3)
    | ~ spl2_1
    | spl2_15
    | spl2_76 ),
    inference(subsumption_resolution,[],[f3213,f435]) ).

fof(f435,plain,
    ( nil != sk3
    | ~ spl2_1
    | spl2_15 ),
    inference(superposition,[],[f403,f249]) ).

fof(f249,plain,
    ( sk3 = sF1
    | ~ spl2_1 ),
    inference(avatar_component_clause,[],[f247]) ).

fof(f247,plain,
    ( spl2_1
  <=> sk3 = sF1 ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_1])]) ).

fof(f403,plain,
    ( nil != sF1
    | spl2_15 ),
    inference(avatar_component_clause,[],[f401]) ).

fof(f401,plain,
    ( spl2_15
  <=> nil = sF1 ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_15])]) ).

fof(f3213,plain,
    ( nil = sk3
    | ~ ssList(sk3)
    | spl2_76 ),
    inference(subsumption_resolution,[],[f3202,f8]) ).

fof(f8,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause8) ).

fof(f3202,plain,
    ( ~ ssList(nil)
    | nil = sk3
    | ~ ssList(sk3)
    | spl2_76 ),
    inference(resolution,[],[f3189,f100]) ).

fof(f100,axiom,
    ! [X0,X1] :
      ( neq(X1,X0)
      | ~ ssList(X0)
      | X0 = X1
      | ~ ssList(X1) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause100) ).

fof(f3189,plain,
    ( ~ neq(sk3,nil)
    | spl2_76 ),
    inference(avatar_component_clause,[],[f3187]) ).

fof(f3187,plain,
    ( spl2_76
  <=> neq(sk3,nil) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_76])]) ).

fof(f3194,plain,
    ( ~ spl2_76
    | ~ spl2_77
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(avatar_split_clause,[],[f3185,f396,f259,f247,f3191,f3187]) ).

fof(f259,plain,
    ( spl2_4
  <=> ssItem(sF0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_4])]) ).

fof(f396,plain,
    ( spl2_14
  <=> nil = sk4 ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_14])]) ).

fof(f3185,plain,
    ( ~ segmentP(sk3,sk3)
    | ~ neq(sk3,nil)
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f3180,f198]) ).

fof(f3180,plain,
    ( ~ segmentP(sk3,sk3)
    | ~ ssList(sk3)
    | ~ neq(sk3,nil)
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(resolution,[],[f3179,f244]) ).

fof(f244,plain,
    ! [X6] :
      ( ~ segmentP(sk4,X6)
      | ~ segmentP(sk3,X6)
      | ~ ssList(X6)
      | ~ neq(X6,nil) ),
    inference(subsumption_resolution,[],[f202,f243]) ).

fof(f243,plain,
    neq(sk4,nil),
    inference(duplicate_literal_removal,[],[f201]) ).

fof(f201,plain,
    ( neq(sk4,nil)
    | neq(sk4,nil) ),
    inference(definition_unfolding,[],[f192,f190,f190]) ).

fof(f190,axiom,
    sk2 = sk4,
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',co1_5) ).

fof(f192,axiom,
    ( neq(sk2,nil)
    | neq(sk2,nil) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',co1_7) ).

fof(f202,plain,
    ! [X6] :
      ( ~ ssList(X6)
      | ~ neq(sk4,nil)
      | ~ segmentP(sk3,X6)
      | ~ segmentP(sk4,X6)
      | ~ neq(X6,nil) ),
    inference(definition_unfolding,[],[f196,f191,f190]) ).

fof(f196,axiom,
    ! [X6] :
      ( ~ ssList(X6)
      | ~ neq(sk4,nil)
      | ~ segmentP(sk1,X6)
      | ~ segmentP(sk2,X6)
      | ~ neq(X6,nil) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',co1_11) ).

fof(f3179,plain,
    ( segmentP(sk4,sk3)
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f3178,f13]) ).

fof(f13,axiom,
    ! [X0] : ssList(skaf82(X0)),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause13) ).

fof(f3178,plain,
    ( segmentP(sk4,sk3)
    | ~ ssList(skaf82(sk4))
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f3151,f198]) ).

fof(f3151,plain,
    ( segmentP(sk4,sk3)
    | ~ ssList(sk3)
    | ~ ssList(skaf82(sk4))
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(superposition,[],[f3119,f1094]) ).

fof(f1094,plain,
    ( sk4 = app(sk3,skaf82(sk4))
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(backward_demodulation,[],[f998,f1088]) ).

fof(f1088,plain,
    ( skaf82(sk4) = skaf45(sk4,sk3)
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(forward_demodulation,[],[f1087,f648]) ).

fof(f648,plain,
    ( tl(sk4) = skaf82(sk4)
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f647,f260]) ).

fof(f260,plain,
    ( ssItem(sF0)
    | ~ spl2_4 ),
    inference(avatar_component_clause,[],[f259]) ).

fof(f647,plain,
    ( tl(sk4) = skaf82(sk4)
    | ~ ssItem(sF0)
    | spl2_14 ),
    inference(subsumption_resolution,[],[f642,f13]) ).

fof(f642,plain,
    ( tl(sk4) = skaf82(sk4)
    | ~ ssList(skaf82(sk4))
    | ~ ssItem(sF0)
    | spl2_14 ),
    inference(superposition,[],[f96,f621]) ).

fof(f621,plain,
    ( sk4 = cons(sF0,skaf82(sk4))
    | spl2_14 ),
    inference(subsumption_resolution,[],[f620,f199]) ).

fof(f199,plain,
    ssList(sk4),
    inference(definition_unfolding,[],[f187,f190]) ).

fof(f187,axiom,
    ssList(sk2),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',co1_2) ).

fof(f620,plain,
    ( sk4 = cons(sF0,skaf82(sk4))
    | ~ ssList(sk4)
    | spl2_14 ),
    inference(subsumption_resolution,[],[f618,f397]) ).

fof(f397,plain,
    ( nil != sk4
    | spl2_14 ),
    inference(avatar_component_clause,[],[f396]) ).

fof(f618,plain,
    ( sk4 = cons(sF0,skaf82(sk4))
    | nil = sk4
    | ~ ssList(sk4)
    | spl2_14 ),
    inference(superposition,[],[f109,f608]) ).

fof(f608,plain,
    ( sF0 = skaf83(sk4)
    | spl2_14 ),
    inference(subsumption_resolution,[],[f607,f199]) ).

fof(f607,plain,
    ( sF0 = skaf83(sk4)
    | ~ ssList(sk4)
    | spl2_14 ),
    inference(subsumption_resolution,[],[f593,f397]) ).

fof(f593,plain,
    ( sF0 = skaf83(sk4)
    | nil = sk4
    | ~ ssList(sk4) ),
    inference(superposition,[],[f552,f233]) ).

fof(f233,plain,
    hd(sk4) = sF0,
    introduced(function_definition,[]) ).

fof(f552,plain,
    ! [X0] :
      ( skaf83(X0) = hd(X0)
      | nil = X0
      | ~ ssList(X0) ),
    inference(subsumption_resolution,[],[f551,f12]) ).

fof(f12,axiom,
    ! [X0] : ssItem(skaf83(X0)),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause12) ).

fof(f551,plain,
    ! [X0] :
      ( skaf83(X0) = hd(X0)
      | ~ ssItem(skaf83(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(subsumption_resolution,[],[f545,f13]) ).

fof(f545,plain,
    ! [X0] :
      ( skaf83(X0) = hd(X0)
      | ~ ssList(skaf82(X0))
      | ~ ssItem(skaf83(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(superposition,[],[f97,f109]) ).

fof(f97,axiom,
    ! [X0,X1] :
      ( hd(cons(X0,X1)) = X0
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause97) ).

fof(f109,axiom,
    ! [X0] :
      ( cons(skaf83(X0),skaf82(X0)) = X0
      | nil = X0
      | ~ ssList(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause109) ).

fof(f96,axiom,
    ! [X0,X1] :
      ( tl(cons(X0,X1)) = X1
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause96) ).

fof(f1087,plain,
    ( tl(sk4) = skaf45(sk4,sk3)
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f1086,f260]) ).

fof(f1086,plain,
    ( tl(sk4) = skaf45(sk4,sk3)
    | ~ ssItem(sF0)
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f1077,f51]) ).

fof(f51,axiom,
    ! [X0,X1] : ssList(skaf45(X0,X1)),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause51) ).

fof(f1077,plain,
    ( tl(sk4) = skaf45(sk4,sk3)
    | ~ ssList(skaf45(sk4,sk3))
    | ~ ssItem(sF0)
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(superposition,[],[f96,f1023]) ).

fof(f1023,plain,
    ( sk4 = cons(sF0,skaf45(sk4,sk3))
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f1015,f51]) ).

fof(f1015,plain,
    ( sk4 = cons(sF0,skaf45(sk4,sk3))
    | ~ ssList(skaf45(sk4,sk3))
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(superposition,[],[f998,f695]) ).

fof(f695,plain,
    ( ! [X0] :
        ( cons(sF0,X0) = app(sk3,X0)
        | ~ ssList(X0) )
    | ~ spl2_1
    | ~ spl2_4 ),
    inference(subsumption_resolution,[],[f684,f260]) ).

fof(f684,plain,
    ( ! [X0] :
        ( cons(sF0,X0) = app(sk3,X0)
        | ~ ssList(X0)
        | ~ ssItem(sF0) )
    | ~ spl2_1 ),
    inference(superposition,[],[f120,f422]) ).

fof(f422,plain,
    ( sk3 = cons(sF0,nil)
    | ~ spl2_1 ),
    inference(backward_demodulation,[],[f234,f249]) ).

fof(f234,plain,
    cons(sF0,nil) = sF1,
    introduced(function_definition,[]) ).

fof(f120,axiom,
    ! [X0,X1] :
      ( cons(X0,X1) = app(cons(X0,nil),X1)
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause120) ).

fof(f998,plain,
    ( sk4 = app(sk3,skaf45(sk4,sk3))
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f997,f198]) ).

fof(f997,plain,
    ( ~ ssList(sk3)
    | sk4 = app(sk3,skaf45(sk4,sk3))
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f986,f199]) ).

fof(f986,plain,
    ( ~ ssList(sk4)
    | ~ ssList(sk3)
    | sk4 = app(sk3,skaf45(sk4,sk3))
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(resolution,[],[f132,f721]) ).

fof(f721,plain,
    ( frontsegP(sk4,sk3)
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(subsumption_resolution,[],[f719,f13]) ).

fof(f719,plain,
    ( frontsegP(sk4,sk3)
    | ~ ssList(skaf82(sk4))
    | ~ spl2_1
    | ~ spl2_4
    | spl2_14 ),
    inference(superposition,[],[f711,f621]) ).

fof(f711,plain,
    ( ! [X2] :
        ( frontsegP(cons(sF0,X2),sk3)
        | ~ ssList(X2) )
    | ~ spl2_1
    | ~ spl2_4 ),
    inference(subsumption_resolution,[],[f705,f198]) ).

fof(f705,plain,
    ( ! [X2] :
        ( frontsegP(cons(sF0,X2),sk3)
        | ~ ssList(sk3)
        | ~ ssList(X2) )
    | ~ spl2_1
    | ~ spl2_4 ),
    inference(duplicate_literal_removal,[],[f700]) ).

fof(f700,plain,
    ( ! [X2] :
        ( frontsegP(cons(sF0,X2),sk3)
        | ~ ssList(sk3)
        | ~ ssList(X2)
        | ~ ssList(X2) )
    | ~ spl2_1
    | ~ spl2_4 ),
    inference(superposition,[],[f271,f695]) ).

fof(f271,plain,
    ! [X0,X1] :
      ( frontsegP(app(X0,X1),X0)
      | ~ ssList(X0)
      | ~ ssList(X1) ),
    inference(subsumption_resolution,[],[f220,f85]) ).

fof(f85,axiom,
    ! [X0,X1] :
      ( ssList(app(X1,X0))
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause85) ).

fof(f220,plain,
    ! [X0,X1] :
      ( ~ ssList(X1)
      | ~ ssList(app(X0,X1))
      | ~ ssList(X0)
      | frontsegP(app(X0,X1),X0) ),
    inference(equality_resolution,[],[f144]) ).

fof(f144,axiom,
    ! [X2,X0,X1] :
      ( ~ ssList(X1)
      | ~ ssList(X2)
      | ~ ssList(X0)
      | frontsegP(X2,X0)
      | app(X0,X1) != X2 ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause144) ).

fof(f132,axiom,
    ! [X0,X1] :
      ( ~ frontsegP(X0,X1)
      | ~ ssList(X0)
      | ~ ssList(X1)
      | app(X1,skaf45(X0,X1)) = X0 ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause132) ).

fof(f3119,plain,
    ! [X4,X5] :
      ( segmentP(app(X4,X5),X4)
      | ~ ssList(X4)
      | ~ ssList(X5) ),
    inference(subsumption_resolution,[],[f3118,f85]) ).

fof(f3118,plain,
    ! [X4,X5] :
      ( ~ ssList(app(X4,X5))
      | ~ ssList(X5)
      | ~ ssList(X4)
      | segmentP(app(X4,X5),X4) ),
    inference(subsumption_resolution,[],[f3112,f8]) ).

fof(f3112,plain,
    ! [X4,X5] :
      ( ~ ssList(app(X4,X5))
      | ~ ssList(X5)
      | ~ ssList(X4)
      | ~ ssList(nil)
      | segmentP(app(X4,X5),X4) ),
    inference(duplicate_literal_removal,[],[f3087]) ).

fof(f3087,plain,
    ! [X4,X5] :
      ( ~ ssList(app(X4,X5))
      | ~ ssList(X5)
      | ~ ssList(X4)
      | ~ ssList(nil)
      | segmentP(app(X4,X5),X4)
      | ~ ssList(X4) ),
    inference(superposition,[],[f224,f74]) ).

fof(f74,axiom,
    ! [X0] :
      ( app(nil,X0) = X0
      | ~ ssList(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause74) ).

fof(f224,plain,
    ! [X2,X0,X1] :
      ( ~ ssList(app(app(X0,X1),X2))
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0)
      | segmentP(app(app(X0,X1),X2),X1) ),
    inference(equality_resolution,[],[f173]) ).

fof(f173,axiom,
    ! [X2,X3,X0,X1] :
      ( ~ ssList(X2)
      | ~ ssList(X3)
      | ~ ssList(X1)
      | ~ ssList(X0)
      | segmentP(X3,X1)
      | app(app(X0,X1),X2) != X3 ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause173) ).

fof(f573,plain,
    ~ spl2_14,
    inference(avatar_contradiction_clause,[],[f572]) ).

fof(f572,plain,
    ( $false
    | ~ spl2_14 ),
    inference(subsumption_resolution,[],[f571,f8]) ).

fof(f571,plain,
    ( ~ ssList(nil)
    | ~ spl2_14 ),
    inference(resolution,[],[f564,f240]) ).

fof(f240,plain,
    ! [X1] :
      ( ~ neq(X1,X1)
      | ~ ssList(X1) ),
    inference(duplicate_literal_removal,[],[f217]) ).

fof(f217,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ~ ssList(X1)
      | ~ neq(X1,X1) ),
    inference(equality_resolution,[],[f115]) ).

fof(f115,axiom,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | X0 != X1
      | ~ neq(X0,X1) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause115) ).

fof(f564,plain,
    ( neq(nil,nil)
    | ~ spl2_14 ),
    inference(backward_demodulation,[],[f243,f398]) ).

fof(f398,plain,
    ( nil = sk4
    | ~ spl2_14 ),
    inference(avatar_component_clause,[],[f396]) ).

fof(f406,plain,
    ( ~ spl2_4
    | ~ spl2_15 ),
    inference(avatar_split_clause,[],[f405,f401,f259]) ).

fof(f405,plain,
    ( nil != sF1
    | ~ ssItem(sF0) ),
    inference(subsumption_resolution,[],[f310,f8]) ).

fof(f310,plain,
    ( nil != sF1
    | ~ ssList(nil)
    | ~ ssItem(sF0) ),
    inference(superposition,[],[f99,f234]) ).

fof(f99,axiom,
    ! [X0,X1] :
      ( cons(X0,X1) != X1
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause99) ).

fof(f399,plain,
    ( spl2_14
    | spl2_4 ),
    inference(avatar_split_clause,[],[f394,f259,f396]) ).

fof(f394,plain,
    ( ssItem(sF0)
    | nil = sk4 ),
    inference(subsumption_resolution,[],[f286,f199]) ).

fof(f286,plain,
    ( ssItem(sF0)
    | nil = sk4
    | ~ ssList(sk4) ),
    inference(superposition,[],[f76,f233]) ).

fof(f76,axiom,
    ! [X0] :
      ( ssItem(hd(X0))
      | nil = X0
      | ~ ssList(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause76) ).

fof(f358,plain,
    ( ~ spl2_4
    | spl2_3 ),
    inference(avatar_split_clause,[],[f304,f255,f259]) ).

fof(f255,plain,
    ( spl2_3
  <=> ssList(sF1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_3])]) ).

fof(f304,plain,
    ( ssList(sF1)
    | ~ ssItem(sF0) ),
    inference(subsumption_resolution,[],[f303,f8]) ).

fof(f303,plain,
    ( ssList(sF1)
    | ~ ssList(nil)
    | ~ ssItem(sF0) ),
    inference(superposition,[],[f86,f234]) ).

fof(f86,axiom,
    ! [X0,X1] :
      ( ssList(cons(X0,X1))
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',clause86) ).

fof(f344,plain,
    spl2_2,
    inference(avatar_contradiction_clause,[],[f343]) ).

fof(f343,plain,
    ( $false
    | spl2_2 ),
    inference(subsumption_resolution,[],[f340,f338]) ).

fof(f338,plain,
    ( ~ neq(nil,nil)
    | spl2_2 ),
    inference(backward_demodulation,[],[f253,f337]) ).

fof(f337,plain,
    ( nil = sk4
    | spl2_2 ),
    inference(subsumption_resolution,[],[f336,f8]) ).

fof(f336,plain,
    ( nil = sk4
    | ~ ssList(nil)
    | spl2_2 ),
    inference(subsumption_resolution,[],[f331,f199]) ).

fof(f331,plain,
    ( ~ ssList(sk4)
    | nil = sk4
    | ~ ssList(nil)
    | spl2_2 ),
    inference(resolution,[],[f100,f253]) ).

fof(f253,plain,
    ( ~ neq(nil,sk4)
    | spl2_2 ),
    inference(avatar_component_clause,[],[f251]) ).

fof(f251,plain,
    ( spl2_2
  <=> neq(nil,sk4) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_2])]) ).

fof(f340,plain,
    ( neq(nil,nil)
    | spl2_2 ),
    inference(backward_demodulation,[],[f243,f337]) ).

fof(f262,plain,
    ( spl2_1
    | ~ spl2_2
    | ~ spl2_3
    | ~ spl2_4 ),
    inference(avatar_split_clause,[],[f245,f259,f255,f251,f247]) ).

fof(f245,plain,
    ( ~ ssItem(sF0)
    | ~ ssList(sF1)
    | ~ neq(nil,sk4)
    | sk3 = sF1 ),
    inference(subsumption_resolution,[],[f235,f243]) ).

fof(f235,plain,
    ( ~ ssItem(sF0)
    | ~ ssList(sF1)
    | ~ neq(sk4,nil)
    | ~ neq(nil,sk4)
    | sk3 = sF1 ),
    inference(definition_folding,[],[f206,f234,f233,f234,f233,f233]) ).

fof(f206,plain,
    ( ~ ssItem(hd(sk4))
    | ~ ssList(cons(hd(sk4),nil))
    | ~ neq(sk4,nil)
    | ~ neq(nil,sk4)
    | sk3 = cons(hd(sk4),nil) ),
    inference(equality_resolution,[],[f205]) ).

fof(f205,plain,
    ! [X6] :
      ( ~ ssItem(hd(sk4))
      | ~ ssList(X6)
      | ~ neq(sk4,nil)
      | ~ neq(nil,sk4)
      | sk3 = X6
      | cons(hd(sk4),nil) != X6 ),
    inference(equality_resolution,[],[f197]) ).

fof(f197,axiom,
    ! [X6,X7] :
      ( ~ ssItem(X7)
      | ~ ssList(X6)
      | ~ neq(sk4,nil)
      | ~ neq(nil,sk4)
      | sk3 = X6
      | hd(sk4) != X7
      | cons(X7,nil) != X6 ),
    file('/export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564',co1_12) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.14/0.14  % Problem    : SWC079-1 : TPTP v8.1.2. Released v2.4.0.
% 0.14/0.16  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.15/0.37  % Computer : n015.cluster.edu
% 0.15/0.37  % Model    : x86_64 x86_64
% 0.15/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.37  % Memory   : 8042.1875MB
% 0.15/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.37  % CPULimit   : 300
% 0.15/0.37  % WCLimit    : 300
% 0.15/0.37  % DateTime   : Mon Aug 28 16:40:25 EDT 2023
% 0.15/0.37  % CPUTime    : 
% 0.15/0.37  This is a CNF_UNS_RFO_SEQ_NHN problem
% 0.15/0.37  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/tmp/tmp.x9WgiCL5M4/Vampire---4.8_19564
% 0.15/0.38  % (19778)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.44  % (19783)ott+11_8:1_aac=none:amm=sco:anc=none:er=known:flr=on:fde=unused:irw=on:nm=0:nwc=1.2:nicw=on:sims=off:sos=all:sac=on_470 on Vampire---4 for (470ds/0Mi)
% 0.22/0.44  % (19781)lrs+10_4:5_amm=off:bsr=on:bce=on:flr=on:fsd=off:fde=unused:gs=on:gsem=on:lcm=predicate:sos=all:tgt=ground:stl=62_514 on Vampire---4 for (514ds/0Mi)
% 0.22/0.44  % (19782)ott+1011_4_er=known:fsd=off:nm=4:tgt=ground_499 on Vampire---4 for (499ds/0Mi)
% 0.22/0.44  % (19779)lrs+1011_1_bd=preordered:flr=on:fsd=off:fsr=off:irw=on:lcm=reverse:msp=off:nm=2:nwc=10.0:sos=on:sp=reverse_weighted_frequency:tgt=full:stl=62_562 on Vampire---4 for (562ds/0Mi)
% 0.22/0.44  % (19785)ott+1010_2:5_bd=off:fsd=off:fde=none:nm=16:sos=on_419 on Vampire---4 for (419ds/0Mi)
% 0.22/0.45  % (19779)Refutation not found, incomplete strategy% (19779)------------------------------
% 0.22/0.45  % (19779)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.22/0.45  % (19779)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.22/0.45  % (19779)Termination reason: Refutation not found, incomplete strategy
% 0.22/0.45  
% 0.22/0.45  % (19779)Memory used [KB]: 5756
% 0.22/0.45  % (19779)Time elapsed: 0.009 s
% 0.22/0.45  % (19779)------------------------------
% 0.22/0.45  % (19779)------------------------------
% 0.22/0.49  % (19784)lrs+10_1024_av=off:bsr=on:br=off:ep=RSTC:fsd=off:irw=on:nm=4:nwc=1.1:sims=off:urr=on:stl=125_440 on Vampire---4 for (440ds/0Mi)
% 0.22/0.50  % (19780)lrs-1004_3_av=off:ep=RSTC:fsd=off:fsr=off:urr=ec_only:stl=62_525 on Vampire---4 for (525ds/0Mi)
% 0.22/0.51  % (19786)lrs-11_32_amm=off:bce=on:cond=on:er=filter:fsd=off:fde=none:gs=on:gsem=on:lcm=reverse:nm=4:nwc=1.1:sos=all:sac=on:sp=frequency:urr=on:stl=125_403 on Vampire---4 for (403ds/0Mi)
% 0.22/0.51  % (19782)First to succeed.
% 0.22/0.52  % (19782)Refutation found. Thanks to Tanya!
% 0.22/0.52  % SZS status Unsatisfiable for Vampire---4
% 0.22/0.52  % SZS output start Proof for Vampire---4
% See solution above
% 0.22/0.52  % (19782)------------------------------
% 0.22/0.52  % (19782)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.22/0.52  % (19782)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.22/0.52  % (19782)Termination reason: Refutation
% 0.22/0.52  
% 0.22/0.52  % (19782)Memory used [KB]: 7291
% 0.22/0.52  % (19782)Time elapsed: 0.079 s
% 0.22/0.52  % (19782)------------------------------
% 0.22/0.52  % (19782)------------------------------
% 0.22/0.52  % (19778)Success in time 0.138 s
% 0.22/0.52  % Vampire---4.8 exiting
%------------------------------------------------------------------------------