TSTP Solution File: SWC019+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SWC019+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s

% Computer : n028.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 : Wed Aug 31 18:38:14 EDT 2022

% Result   : Theorem 1.70s 0.58s
% Output   : Refutation 1.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   46 (  12 unt;   0 def)
%            Number of atoms       :  239 (  86 equ)
%            Maximal formula atoms :   26 (   5 avg)
%            Number of connectives :  313 ( 120   ~;  89   |;  85   &)
%                                         (   4 <=>;  15  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   18 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   3 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   60 (  34   !;  26   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f184,plain,
    $false,
    inference(avatar_sat_refutation,[],[f165,f177,f183]) ).

fof(f183,plain,
    ( ~ spl5_1
    | spl5_2 ),
    inference(avatar_contradiction_clause,[],[f182]) ).

fof(f182,plain,
    ( $false
    | ~ spl5_1
    | spl5_2 ),
    inference(subsumption_resolution,[],[f181,f164]) ).

fof(f164,plain,
    ( nil != sK3
    | spl5_2 ),
    inference(avatar_component_clause,[],[f162]) ).

fof(f162,plain,
    ( spl5_2
  <=> nil = sK3 ),
    introduced(avatar_definition,[new_symbols(naming,[spl5_2])]) ).

fof(f181,plain,
    ( nil = sK3
    | ~ spl5_1 ),
    inference(backward_demodulation,[],[f150,f159]) ).

fof(f159,plain,
    ( nil = sK2
    | ~ spl5_1 ),
    inference(avatar_component_clause,[],[f158]) ).

fof(f158,plain,
    ( spl5_1
  <=> nil = sK2 ),
    introduced(avatar_definition,[new_symbols(naming,[spl5_1])]) ).

fof(f150,plain,
    sK3 = sK2,
    inference(definition_unfolding,[],[f134,f138]) ).

fof(f138,plain,
    sK4 = sK2,
    inference(cnf_transformation,[],[f122]) ).

fof(f122,plain,
    ( ssList(sK1)
    & ssList(sK3)
    & ! [X4] :
        ( ~ frontsegP(sK1,X4)
        | ~ neq(X4,nil)
        | ~ frontsegP(sK2,X4)
        | ~ ssList(X4) )
    & sK4 = sK2
    & sK1 = sK3
    & ssList(sK4)
    & ( nil != sK1
      | nil != sK2 )
    & sK4 = sK3
    & ssList(sK2) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2,sK3,sK4])],[f111,f121,f120,f119,f118]) ).

fof(f118,plain,
    ( ? [X0] :
        ( ssList(X0)
        & ? [X1] :
            ( ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( ! [X4] :
                        ( ~ frontsegP(X0,X4)
                        | ~ neq(X4,nil)
                        | ~ frontsegP(X1,X4)
                        | ~ ssList(X4) )
                    & X1 = X3
                    & X0 = X2
                    & ssList(X3)
                    & ( nil != X0
                      | nil != X1 )
                    & X2 = X3 ) )
            & ssList(X1) ) )
   => ( ssList(sK1)
      & ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ! [X4] :
                      ( ~ frontsegP(sK1,X4)
                      | ~ neq(X4,nil)
                      | ~ frontsegP(X1,X4)
                      | ~ ssList(X4) )
                  & X1 = X3
                  & sK1 = X2
                  & ssList(X3)
                  & ( nil != sK1
                    | nil != X1 )
                  & X2 = X3 ) )
          & ssList(X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f119,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ! [X4] :
                    ( ~ frontsegP(sK1,X4)
                    | ~ neq(X4,nil)
                    | ~ frontsegP(X1,X4)
                    | ~ ssList(X4) )
                & X1 = X3
                & sK1 = X2
                & ssList(X3)
                & ( nil != sK1
                  | nil != X1 )
                & X2 = X3 ) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ! [X4] :
                  ( ~ frontsegP(sK1,X4)
                  | ~ neq(X4,nil)
                  | ~ frontsegP(sK2,X4)
                  | ~ ssList(X4) )
              & sK2 = X3
              & sK1 = X2
              & ssList(X3)
              & ( nil != sK1
                | nil != sK2 )
              & X2 = X3 ) )
      & ssList(sK2) ) ),
    introduced(choice_axiom,[]) ).

fof(f120,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( ! [X4] :
                ( ~ frontsegP(sK1,X4)
                | ~ neq(X4,nil)
                | ~ frontsegP(sK2,X4)
                | ~ ssList(X4) )
            & sK2 = X3
            & sK1 = X2
            & ssList(X3)
            & ( nil != sK1
              | nil != sK2 )
            & X2 = X3 ) )
   => ( ssList(sK3)
      & ? [X3] :
          ( ! [X4] :
              ( ~ frontsegP(sK1,X4)
              | ~ neq(X4,nil)
              | ~ frontsegP(sK2,X4)
              | ~ ssList(X4) )
          & sK2 = X3
          & sK1 = sK3
          & ssList(X3)
          & ( nil != sK1
            | nil != sK2 )
          & sK3 = X3 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f121,plain,
    ( ? [X3] :
        ( ! [X4] :
            ( ~ frontsegP(sK1,X4)
            | ~ neq(X4,nil)
            | ~ frontsegP(sK2,X4)
            | ~ ssList(X4) )
        & sK2 = X3
        & sK1 = sK3
        & ssList(X3)
        & ( nil != sK1
          | nil != sK2 )
        & sK3 = X3 )
   => ( ! [X4] :
          ( ~ frontsegP(sK1,X4)
          | ~ neq(X4,nil)
          | ~ frontsegP(sK2,X4)
          | ~ ssList(X4) )
      & sK4 = sK2
      & sK1 = sK3
      & ssList(sK4)
      & ( nil != sK1
        | nil != sK2 )
      & sK4 = sK3 ) ),
    introduced(choice_axiom,[]) ).

fof(f111,plain,
    ? [X0] :
      ( ssList(X0)
      & ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ! [X4] :
                      ( ~ frontsegP(X0,X4)
                      | ~ neq(X4,nil)
                      | ~ frontsegP(X1,X4)
                      | ~ ssList(X4) )
                  & X1 = X3
                  & X0 = X2
                  & ssList(X3)
                  & ( nil != X0
                    | nil != X1 )
                  & X2 = X3 ) )
          & ssList(X1) ) ),
    inference(flattening,[],[f110]) ).

fof(f110,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( nil != X0
                    | nil != X1 )
                  & X2 = X3
                  & X1 = X3
                  & X0 = X2
                  & ! [X4] :
                      ( ~ frontsegP(X0,X4)
                      | ~ neq(X4,nil)
                      | ~ frontsegP(X1,X4)
                      | ~ ssList(X4) )
                  & 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 = X0
                        & nil = X1 )
                      | X2 != X3
                      | X1 != X3
                      | X0 != X2
                      | ? [X4] :
                          ( frontsegP(X0,X4)
                          & frontsegP(X1,X4)
                          & neq(X4,nil)
                          & ssList(X4) ) ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( ( nil = X0
                      & nil = X1 )
                    | X2 != X3
                    | X1 != X3
                    | X0 != X2
                    | ? [X4] :
                        ( frontsegP(X0,X4)
                        & frontsegP(X1,X4)
                        & neq(X4,nil)
                        & ssList(X4) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

fof(f134,plain,
    sK4 = sK3,
    inference(cnf_transformation,[],[f122]) ).

fof(f177,plain,
    spl5_1,
    inference(avatar_split_clause,[],[f174,f158]) ).

fof(f174,plain,
    nil = sK2,
    inference(subsumption_resolution,[],[f173,f124]) ).

fof(f124,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax17) ).

fof(f173,plain,
    ( ~ ssList(nil)
    | nil = sK2 ),
    inference(subsumption_resolution,[],[f172,f155]) ).

fof(f155,plain,
    ssList(sK2),
    inference(forward_demodulation,[],[f140,f150]) ).

fof(f140,plain,
    ssList(sK3),
    inference(cnf_transformation,[],[f122]) ).

fof(f172,plain,
    ( ~ ssList(sK2)
    | nil = sK2
    | ~ ssList(nil) ),
    inference(resolution,[],[f171,f143]) ).

fof(f143,plain,
    ! [X0,X1] :
      ( neq(X0,X1)
      | X0 = X1
      | ~ ssList(X0)
      | ~ ssList(X1) ),
    inference(cnf_transformation,[],[f123]) ).

fof(f123,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ( ( X0 != X1
              | ~ neq(X0,X1) )
            & ( neq(X0,X1)
              | X0 = X1 ) )
          | ~ ssList(X1) ) ),
    inference(nnf_transformation,[],[f112]) ).

fof(f112,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ( X0 != X1
          <=> neq(X0,X1) )
          | ~ ssList(X1) ) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ( X0 != X1
          <=> neq(X0,X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax15) ).

fof(f171,plain,
    ~ neq(sK2,nil),
    inference(subsumption_resolution,[],[f170,f155]) ).

fof(f170,plain,
    ( ~ neq(sK2,nil)
    | ~ ssList(sK2) ),
    inference(duplicate_literal_removal,[],[f168]) ).

fof(f168,plain,
    ( ~ ssList(sK2)
    | ~ ssList(sK2)
    | ~ neq(sK2,nil) ),
    inference(resolution,[],[f167,f127]) ).

fof(f127,plain,
    ! [X0] :
      ( frontsegP(X0,X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f107]) ).

fof(f107,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | frontsegP(X0,X0) ),
    inference(ennf_transformation,[],[f42]) ).

fof(f42,axiom,
    ! [X0] :
      ( ssList(X0)
     => frontsegP(X0,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax42) ).

fof(f167,plain,
    ! [X4] :
      ( ~ frontsegP(sK2,X4)
      | ~ neq(X4,nil)
      | ~ ssList(X4) ),
    inference(duplicate_literal_removal,[],[f166]) ).

fof(f166,plain,
    ! [X4] :
      ( ~ frontsegP(sK2,X4)
      | ~ neq(X4,nil)
      | ~ frontsegP(sK2,X4)
      | ~ ssList(X4) ),
    inference(forward_demodulation,[],[f147,f150]) ).

fof(f147,plain,
    ! [X4] :
      ( ~ ssList(X4)
      | ~ frontsegP(sK2,X4)
      | ~ neq(X4,nil)
      | ~ frontsegP(sK3,X4) ),
    inference(definition_unfolding,[],[f139,f137]) ).

fof(f137,plain,
    sK1 = sK3,
    inference(cnf_transformation,[],[f122]) ).

fof(f139,plain,
    ! [X4] :
      ( ~ frontsegP(sK1,X4)
      | ~ neq(X4,nil)
      | ~ frontsegP(sK2,X4)
      | ~ ssList(X4) ),
    inference(cnf_transformation,[],[f122]) ).

fof(f165,plain,
    ( ~ spl5_1
    | ~ spl5_2 ),
    inference(avatar_split_clause,[],[f149,f162,f158]) ).

fof(f149,plain,
    ( nil != sK3
    | nil != sK2 ),
    inference(definition_unfolding,[],[f135,f137]) ).

fof(f135,plain,
    ( nil != sK1
    | nil != sK2 ),
    inference(cnf_transformation,[],[f122]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SWC019+1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.14/0.34  % Computer : n028.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit   : 300
% 0.14/0.34  % WCLimit    : 300
% 0.14/0.34  % DateTime   : Tue Aug 30 18:05:49 EDT 2022
% 0.14/0.35  % CPUTime    : 
% 1.49/0.55  % (26056)lrs+10_1:4_av=off:bs=unit_only:bsr=unit_only:ep=RS:s2a=on:sos=on:sp=frequency:to=lpo:i=16:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/16Mi)
% 1.49/0.56  % (26045)lrs+10_1:1_gsp=on:sd=1:sgt=32:sos=on:ss=axioms:i=13:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/13Mi)
% 1.49/0.57  % (26048)lrs+10_1:1024_nm=0:nwc=5.0:ss=axioms:i=13:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/13Mi)
% 1.70/0.57  % (26045)First to succeed.
% 1.70/0.58  % (26045)Refutation found. Thanks to Tanya!
% 1.70/0.58  % SZS status Theorem for theBenchmark
% 1.70/0.58  % SZS output start Proof for theBenchmark
% See solution above
% 1.70/0.58  % (26045)------------------------------
% 1.70/0.58  % (26045)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.70/0.58  % (26045)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.70/0.58  % (26045)Termination reason: Refutation
% 1.70/0.58  
% 1.70/0.58  % (26045)Memory used [KB]: 6012
% 1.70/0.58  % (26045)Time elapsed: 0.142 s
% 1.70/0.58  % (26045)Instructions burned: 3 (million)
% 1.70/0.58  % (26045)------------------------------
% 1.70/0.58  % (26045)------------------------------
% 1.70/0.58  % (26043)Success in time 0.224 s
%------------------------------------------------------------------------------