TSTP Solution File: SWC131+1 by Vampire---4.8

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%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : SWC131+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 : n029.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 20:56:49 EDT 2023

% Result   : Theorem 0.23s 0.44s
% Output   : Refutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   29 (  12 unt;   0 def)
%            Number of atoms       :  131 (  37 equ)
%            Maximal formula atoms :   16 (   4 avg)
%            Number of connectives :  147 (  45   ~;  20   |;  66   &)
%                                         (   2 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   40 (;  16   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f581,plain,
    $false,
    inference(subsumption_resolution,[],[f580,f351]) ).

fof(f351,plain,
    cyclefreeP(nil),
    inference(cnf_transformation,[],[f60]) ).

fof(f60,axiom,
    cyclefreeP(nil),
    file('/export/starexec/sandbox2/tmp/tmp.rC7r65UcW6/Vampire---4.8_11993',ax60) ).

fof(f580,plain,
    ~ cyclefreeP(nil),
    inference(superposition,[],[f343,f576]) ).

fof(f576,plain,
    nil = sK1,
    inference(subsumption_resolution,[],[f575,f568]) ).

fof(f568,plain,
    ssList(sK1),
    inference(forward_demodulation,[],[f339,f340]) ).

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

fof(f227,plain,
    ( ~ cyclefreeP(sK1)
    & ~ neq(sK3,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] :
                    ( ~ cyclefreeP(X1)
                    & ~ neq(X3,nil)
                    & X0 = X2
                    & X1 = X3
                    & ssList(X3) )
                & ssList(X2) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ~ cyclefreeP(X1)
                  & ~ neq(X3,nil)
                  & sK0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(sK0) ) ),
    introduced(choice_axiom,[]) ).

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

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

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

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

fof(f98,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ~ cyclefreeP(X1)
                  & ~ neq(X3,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)
                   => ( cyclefreeP(X1)
                      | neq(X3,nil)
                      | X0 != X2
                      | X1 != X3 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( cyclefreeP(X1)
                    | neq(X3,nil)
                    | X0 != X2
                    | X1 != X3 ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.rC7r65UcW6/Vampire---4.8_11993',co1) ).

fof(f339,plain,
    ssList(sK3),
    inference(cnf_transformation,[],[f227]) ).

fof(f575,plain,
    ( ~ ssList(sK1)
    | nil = sK1 ),
    inference(forward_demodulation,[],[f574,f340]) ).

fof(f574,plain,
    ( nil = sK1
    | ~ ssList(sK3) ),
    inference(forward_demodulation,[],[f573,f340]) ).

fof(f573,plain,
    ( nil = sK3
    | ~ ssList(sK3) ),
    inference(subsumption_resolution,[],[f570,f352]) ).

fof(f352,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/tmp/tmp.rC7r65UcW6/Vampire---4.8_11993',ax17) ).

fof(f570,plain,
    ( nil = sK3
    | ~ ssList(nil)
    | ~ ssList(sK3) ),
    inference(resolution,[],[f342,f505]) ).

fof(f505,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.rC7r65UcW6/Vampire---4.8_11993',ax15) ).

fof(f342,plain,
    ~ neq(sK3,nil),
    inference(cnf_transformation,[],[f227]) ).

fof(f343,plain,
    ~ cyclefreeP(sK1),
    inference(cnf_transformation,[],[f227]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : SWC131+1 : TPTP v8.1.2. Released v2.4.0.
% 0.07/0.15  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.16/0.36  % Computer : n029.cluster.edu
% 0.16/0.36  % Model    : x86_64 x86_64
% 0.16/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.36  % Memory   : 8042.1875MB
% 0.16/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.36  % CPULimit   : 300
% 0.16/0.36  % WCLimit    : 300
% 0.16/0.36  % DateTime   : Mon Aug 28 18:35:26 EDT 2023
% 0.16/0.37  % CPUTime    : 
% 0.16/0.37  This is a FOF_THM_RFO_SEQ problem
% 0.16/0.37  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/tmp/tmp.rC7r65UcW6/Vampire---4.8_11993
% 0.16/0.37  % (12100)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.43  % (12105)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)
% 0.23/0.43  % (12102)lrs-1004_3_av=off:ep=RSTC:fsd=off:fsr=off:urr=ec_only:stl=62_525 on Vampire---4 for (525ds/0Mi)
% 0.23/0.44  % (12107)ott+1010_2:5_bd=off:fsd=off:fde=none:nm=16:sos=on_419 on Vampire---4 for (419ds/0Mi)
% 0.23/0.44  % (12103)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)
% 0.23/0.44  % (12107)First to succeed.
% 0.23/0.44  % (12107)Refutation found. Thanks to Tanya!
% 0.23/0.44  % SZS status Theorem for Vampire---4
% 0.23/0.44  % SZS output start Proof for Vampire---4
% See solution above
% 0.23/0.44  % (12107)------------------------------
% 0.23/0.44  % (12107)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.23/0.44  % (12107)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.23/0.44  % (12107)Termination reason: Refutation
% 0.23/0.44  
% 0.23/0.44  % (12107)Memory used [KB]: 5884
% 0.23/0.44  % (12107)Time elapsed: 0.008 s
% 0.23/0.44  % (12107)------------------------------
% 0.23/0.44  % (12107)------------------------------
% 0.23/0.44  % (12100)Success in time 0.071 s
% 0.23/0.44  % Vampire---4.8 exiting
%------------------------------------------------------------------------------