TSTP Solution File: SWC205+1 by Vampire---4.8

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%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : SWC205+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 : 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  : 300s
% DateTime : Thu Aug 31 20:57:26 EDT 2023

% Result   : Theorem 0.21s 0.44s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   39 (  13 unt;   0 def)
%            Number of atoms       :  202 (  96 equ)
%            Maximal formula atoms :   24 (   5 avg)
%            Number of connectives :  231 (  68   ~;  53   |;  92   &)
%                                         (   4 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   3 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   40 (;  16   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f599,plain,
    $false,
    inference(avatar_sat_refutation,[],[f579,f588,f598]) ).

fof(f598,plain,
    ~ spl51_2,
    inference(avatar_contradiction_clause,[],[f597]) ).

fof(f597,plain,
    ( $false
    | ~ spl51_2 ),
    inference(subsumption_resolution,[],[f595,f593]) ).

fof(f593,plain,
    ~ neq(nil,nil),
    inference(superposition,[],[f343,f585]) ).

fof(f585,plain,
    nil = sK0,
    inference(subsumption_resolution,[],[f584,f581]) ).

fof(f581,plain,
    ssList(sK0),
    inference(forward_demodulation,[],[f338,f341]) ).

fof(f341,plain,
    sK0 = sK2,
    inference(cnf_transformation,[],[f227]) ).

fof(f227,plain,
    ( ( nil != sK3
      | nil = sK2 )
    & ( nil != sK2
      | nil = sK3 )
    & ~ neq(sK0,nil)
    & neq(sK1,nil)
    & sK0 = sK2
    & sK1 = sK3
    & ssList(sK3)
    & ssList(sK2)
    & ssList(sK1)
    & ssList(sK0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3])],[f99,f226,f225,f224,f223]) ).

fof(f223,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ? [X3] :
                    ( ( nil != X3
                      | nil = X2 )
                    & ( nil != X2
                      | nil = X3 )
                    & ~ neq(X0,nil)
                    & neq(X1,nil)
                    & X0 = X2
                    & X1 = X3
                    & ssList(X3) )
                & ssList(X2) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( nil != X3
                    | nil = X2 )
                  & ( nil != X2
                    | nil = X3 )
                  & ~ neq(sK0,nil)
                  & neq(X1,nil)
                  & sK0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(sK0) ) ),
    introduced(choice_axiom,[]) ).

fof(f224,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ? [X3] :
                ( ( nil != X3
                  | nil = X2 )
                & ( nil != X2
                  | nil = X3 )
                & ~ neq(sK0,nil)
                & neq(X1,nil)
                & sK0 = X2
                & X1 = X3
                & ssList(X3) )
            & ssList(X2) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ? [X3] :
              ( ( nil != X3
                | nil = X2 )
              & ( nil != X2
                | nil = X3 )
              & ~ neq(sK0,nil)
              & neq(sK1,nil)
              & sK0 = X2
              & sK1 = X3
              & ssList(X3) )
          & ssList(X2) )
      & ssList(sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f225,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( ( nil != X3
              | nil = X2 )
            & ( nil != X2
              | nil = X3 )
            & ~ neq(sK0,nil)
            & neq(sK1,nil)
            & sK0 = X2
            & sK1 = X3
            & ssList(X3) )
        & ssList(X2) )
   => ( ? [X3] :
          ( ( nil != X3
            | nil = sK2 )
          & ( nil != sK2
            | nil = X3 )
          & ~ neq(sK0,nil)
          & neq(sK1,nil)
          & sK0 = sK2
          & sK1 = X3
          & ssList(X3) )
      & ssList(sK2) ) ),
    introduced(choice_axiom,[]) ).

fof(f226,plain,
    ( ? [X3] :
        ( ( nil != X3
          | nil = sK2 )
        & ( nil != sK2
          | nil = X3 )
        & ~ neq(sK0,nil)
        & neq(sK1,nil)
        & sK0 = sK2
        & sK1 = X3
        & ssList(X3) )
   => ( ( nil != sK3
        | nil = sK2 )
      & ( nil != sK2
        | nil = sK3 )
      & ~ neq(sK0,nil)
      & neq(sK1,nil)
      & sK0 = sK2
      & sK1 = sK3
      & ssList(sK3) ) ),
    introduced(choice_axiom,[]) ).

fof(f99,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( nil != X3
                    | nil = X2 )
                  & ( nil != X2
                    | nil = X3 )
                  & ~ neq(X0,nil)
                  & neq(X1,nil)
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f98]) ).

fof(f98,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( nil != X3
                    | nil = X2 )
                  & ( nil != X2
                    | nil = X3 )
                  & ~ neq(X0,nil)
                  & neq(X1,nil)
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( ( nil = X3
                        & nil != X2 )
                      | ( nil = X2
                        & nil != X3 )
                      | neq(X0,nil)
                      | ~ neq(X1,nil)
                      | X0 != X2
                      | X1 != X3 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( ( nil = X3
                      & nil != X2 )
                    | ( nil = X2
                      & nil != X3 )
                    | neq(X0,nil)
                    | ~ neq(X1,nil)
                    | X0 != X2
                    | X1 != X3 ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.SS75Dqw2Oy/Vampire---4.8_16296',co1) ).

fof(f338,plain,
    ssList(sK2),
    inference(cnf_transformation,[],[f227]) ).

fof(f584,plain,
    ( nil = sK0
    | ~ ssList(sK0) ),
    inference(subsumption_resolution,[],[f582,f354]) ).

fof(f354,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/tmp/tmp.SS75Dqw2Oy/Vampire---4.8_16296',ax17) ).

fof(f582,plain,
    ( nil = sK0
    | ~ ssList(nil)
    | ~ ssList(sK0) ),
    inference(resolution,[],[f343,f507]) ).

fof(f507,plain,
    ! [X0,X1] :
      ( neq(X0,X1)
      | X0 = X1
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f317]) ).

fof(f317,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( neq(X0,X1)
              | X0 = X1 )
            & ( X0 != X1
              | ~ neq(X0,X1) ) )
          | ~ ssList(X1) )
      | ~ ssList(X0) ),
    inference(nnf_transformation,[],[f198]) ).

fof(f198,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( neq(X0,X1)
          <=> X0 != X1 )
          | ~ ssList(X1) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ( neq(X0,X1)
          <=> X0 != X1 ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.SS75Dqw2Oy/Vampire---4.8_16296',ax15) ).

fof(f343,plain,
    ~ neq(sK0,nil),
    inference(cnf_transformation,[],[f227]) ).

fof(f595,plain,
    ( neq(nil,nil)
    | ~ spl51_2 ),
    inference(superposition,[],[f342,f591]) ).

fof(f591,plain,
    ( nil = sK1
    | ~ spl51_2 ),
    inference(superposition,[],[f576,f340]) ).

fof(f340,plain,
    sK1 = sK3,
    inference(cnf_transformation,[],[f227]) ).

fof(f576,plain,
    ( nil = sK3
    | ~ spl51_2 ),
    inference(avatar_component_clause,[],[f575]) ).

fof(f575,plain,
    ( spl51_2
  <=> nil = sK3 ),
    introduced(avatar_definition,[new_symbols(naming,[spl51_2])]) ).

fof(f342,plain,
    neq(sK1,nil),
    inference(cnf_transformation,[],[f227]) ).

fof(f588,plain,
    spl51_1,
    inference(avatar_contradiction_clause,[],[f587]) ).

fof(f587,plain,
    ( $false
    | spl51_1 ),
    inference(subsumption_resolution,[],[f586,f585]) ).

fof(f586,plain,
    ( nil != sK0
    | spl51_1 ),
    inference(superposition,[],[f572,f341]) ).

fof(f572,plain,
    ( nil != sK2
    | spl51_1 ),
    inference(avatar_component_clause,[],[f571]) ).

fof(f571,plain,
    ( spl51_1
  <=> nil = sK2 ),
    introduced(avatar_definition,[new_symbols(naming,[spl51_1])]) ).

fof(f579,plain,
    ( spl51_2
    | ~ spl51_1 ),
    inference(avatar_split_clause,[],[f344,f571,f575]) ).

fof(f344,plain,
    ( nil != sK2
    | nil = sK3 ),
    inference(cnf_transformation,[],[f227]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : SWC205+1 : TPTP v8.1.2. Released v2.4.0.
% 0.13/0.15  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.14/0.36  % Computer : n018.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Mon Aug 28 18:42:02 EDT 2023
% 0.14/0.36  % CPUTime    : 
% 0.14/0.36  This is a FOF_THM_RFO_SEQ problem
% 0.14/0.36  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/tmp/tmp.SS75Dqw2Oy/Vampire---4.8_16296
% 0.14/0.37  % (16403)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.43  % (16408)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)
% 0.21/0.43  % (16409)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)
% 0.21/0.43  % (16407)ott+1011_4_er=known:fsd=off:nm=4:tgt=ground_499 on Vampire---4 for (499ds/0Mi)
% 0.21/0.43  % (16406)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)
% 0.21/0.43  % (16405)lrs-1004_3_av=off:ep=RSTC:fsd=off:fsr=off:urr=ec_only:stl=62_525 on Vampire---4 for (525ds/0Mi)
% 0.21/0.43  % (16404)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)
% 0.21/0.43  % (16410)ott+1010_2:5_bd=off:fsd=off:fde=none:nm=16:sos=on_419 on Vampire---4 for (419ds/0Mi)
% 0.21/0.43  % (16410)First to succeed.
% 0.21/0.44  % (16410)Refutation found. Thanks to Tanya!
% 0.21/0.44  % SZS status Theorem for Vampire---4
% 0.21/0.44  % SZS output start Proof for Vampire---4
% See solution above
% 0.21/0.44  % (16410)------------------------------
% 0.21/0.44  % (16410)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.21/0.44  % (16410)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.21/0.44  % (16410)Termination reason: Refutation
% 0.21/0.44  
% 0.21/0.44  % (16410)Memory used [KB]: 5884
% 0.21/0.44  % (16410)Time elapsed: 0.009 s
% 0.21/0.44  % (16410)------------------------------
% 0.21/0.44  % (16410)------------------------------
% 0.21/0.44  % (16403)Success in time 0.072 s
% 0.21/0.44  % Vampire---4.8 exiting
%------------------------------------------------------------------------------