TSTP Solution File: SWC209+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SWC209+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 : n027.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 18:39:37 EDT 2022

% Result   : Theorem 1.27s 0.53s
% Output   : Refutation 1.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   32 (   7 unt;   0 def)
%            Number of atoms       :  187 (  62 equ)
%            Maximal formula atoms :   24 (   5 avg)
%            Number of connectives :  193 (  38   ~;  40   |; 100   &)
%                                         (   3 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   4 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   32 (   8   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f662,plain,
    $false,
    inference(avatar_sat_refutation,[],[f642,f648,f655,f661]) ).

fof(f661,plain,
    ( ~ spl57_8
    | spl57_9
    | ~ spl57_10 ),
    inference(avatar_contradiction_clause,[],[f660]) ).

fof(f660,plain,
    ( $false
    | ~ spl57_8
    | spl57_9
    | ~ spl57_10 ),
    inference(subsumption_resolution,[],[f658,f656]) ).

fof(f656,plain,
    ( neq(nil,nil)
    | ~ spl57_8 ),
    inference(backward_demodulation,[],[f560,f636]) ).

fof(f636,plain,
    ( nil = sK22
    | ~ spl57_8 ),
    inference(avatar_component_clause,[],[f634]) ).

fof(f634,plain,
    ( spl57_8
  <=> nil = sK22 ),
    introduced(avatar_definition,[new_symbols(naming,[spl57_8])]) ).

fof(f560,plain,
    neq(sK22,nil),
    inference(definition_unfolding,[],[f408,f409]) ).

fof(f409,plain,
    sK20 = sK22,
    inference(cnf_transformation,[],[f263]) ).

fof(f263,plain,
    ( ssList(sK21)
    & sK20 = sK22
    & neq(sK20,nil)
    & ( ( nil = sK22
        & nil = sK21 )
      | ( segmentP(sK22,sK21)
        & neq(sK21,nil) ) )
    & ssList(sK22)
    & ~ neq(sK19,nil)
    & sK21 = sK19
    & ssList(sK20)
    & ssList(sK19) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK19,sK20,sK21,sK22])],[f139,f262,f261,f260,f259]) ).

fof(f259,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( X1 = X3
                    & neq(X1,nil)
                    & ( ( nil = X3
                        & nil = X2 )
                      | ( segmentP(X3,X2)
                        & neq(X2,nil) ) )
                    & ssList(X3)
                    & ~ neq(X0,nil)
                    & X0 = X2 ) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( X1 = X3
                  & neq(X1,nil)
                  & ( ( nil = X3
                      & nil = X2 )
                    | ( segmentP(X3,X2)
                      & neq(X2,nil) ) )
                  & ssList(X3)
                  & ~ neq(sK19,nil)
                  & sK19 = X2 ) )
          & ssList(X1) )
      & ssList(sK19) ) ),
    introduced(choice_axiom,[]) ).

fof(f260,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( X1 = X3
                & neq(X1,nil)
                & ( ( nil = X3
                    & nil = X2 )
                  | ( segmentP(X3,X2)
                    & neq(X2,nil) ) )
                & ssList(X3)
                & ~ neq(sK19,nil)
                & sK19 = X2 ) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( sK20 = X3
              & neq(sK20,nil)
              & ( ( nil = X3
                  & nil = X2 )
                | ( segmentP(X3,X2)
                  & neq(X2,nil) ) )
              & ssList(X3)
              & ~ neq(sK19,nil)
              & sK19 = X2 ) )
      & ssList(sK20) ) ),
    introduced(choice_axiom,[]) ).

fof(f261,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( sK20 = X3
            & neq(sK20,nil)
            & ( ( nil = X3
                & nil = X2 )
              | ( segmentP(X3,X2)
                & neq(X2,nil) ) )
            & ssList(X3)
            & ~ neq(sK19,nil)
            & sK19 = X2 ) )
   => ( ssList(sK21)
      & ? [X3] :
          ( sK20 = X3
          & neq(sK20,nil)
          & ( ( nil = X3
              & nil = sK21 )
            | ( segmentP(X3,sK21)
              & neq(sK21,nil) ) )
          & ssList(X3)
          & ~ neq(sK19,nil)
          & sK21 = sK19 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f262,plain,
    ( ? [X3] :
        ( sK20 = X3
        & neq(sK20,nil)
        & ( ( nil = X3
            & nil = sK21 )
          | ( segmentP(X3,sK21)
            & neq(sK21,nil) ) )
        & ssList(X3)
        & ~ neq(sK19,nil)
        & sK21 = sK19 )
   => ( sK20 = sK22
      & neq(sK20,nil)
      & ( ( nil = sK22
          & nil = sK21 )
        | ( segmentP(sK22,sK21)
          & neq(sK21,nil) ) )
      & ssList(sK22)
      & ~ neq(sK19,nil)
      & sK21 = sK19 ) ),
    introduced(choice_axiom,[]) ).

fof(f139,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( X1 = X3
                  & neq(X1,nil)
                  & ( ( nil = X3
                      & nil = X2 )
                    | ( segmentP(X3,X2)
                      & neq(X2,nil) ) )
                  & ssList(X3)
                  & ~ neq(X0,nil)
                  & X0 = X2 ) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f138]) ).

fof(f138,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( nil = X3
                      & nil = X2 )
                    | ( segmentP(X3,X2)
                      & neq(X2,nil) ) )
                  & X0 = X2
                  & ~ neq(X0,nil)
                  & neq(X1,nil)
                  & 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 != X2
                          | nil != X3 )
                        & ( ~ segmentP(X3,X2)
                          | ~ neq(X2,nil) ) )
                      | X0 != X2
                      | neq(X0,nil)
                      | ~ neq(X1,nil)
                      | X1 != X3 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

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

fof(f408,plain,
    neq(sK20,nil),
    inference(cnf_transformation,[],[f263]) ).

fof(f658,plain,
    ( ~ neq(nil,nil)
    | spl57_9
    | ~ spl57_10 ),
    inference(backward_demodulation,[],[f640,f646]) ).

fof(f646,plain,
    ( nil = sK19
    | ~ spl57_10 ),
    inference(avatar_component_clause,[],[f644]) ).

fof(f644,plain,
    ( spl57_10
  <=> nil = sK19 ),
    introduced(avatar_definition,[new_symbols(naming,[spl57_10])]) ).

fof(f640,plain,
    ( ~ neq(sK19,nil)
    | spl57_9 ),
    inference(avatar_component_clause,[],[f639]) ).

fof(f639,plain,
    ( spl57_9
  <=> neq(sK19,nil) ),
    introduced(avatar_definition,[new_symbols(naming,[spl57_9])]) ).

fof(f655,plain,
    ~ spl57_9,
    inference(avatar_split_clause,[],[f402,f639]) ).

fof(f402,plain,
    ~ neq(sK19,nil),
    inference(cnf_transformation,[],[f263]) ).

fof(f648,plain,
    ( spl57_10
    | spl57_9 ),
    inference(avatar_split_clause,[],[f564,f639,f644]) ).

fof(f564,plain,
    ( neq(sK19,nil)
    | nil = sK19 ),
    inference(definition_unfolding,[],[f404,f401,f401]) ).

fof(f401,plain,
    sK21 = sK19,
    inference(cnf_transformation,[],[f263]) ).

fof(f404,plain,
    ( nil = sK21
    | neq(sK21,nil) ),
    inference(cnf_transformation,[],[f263]) ).

fof(f642,plain,
    ( spl57_9
    | spl57_8 ),
    inference(avatar_split_clause,[],[f562,f634,f639]) ).

fof(f562,plain,
    ( nil = sK22
    | neq(sK19,nil) ),
    inference(definition_unfolding,[],[f406,f401]) ).

fof(f406,plain,
    ( nil = sK22
    | neq(sK21,nil) ),
    inference(cnf_transformation,[],[f263]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem    : SWC209+1 : TPTP v8.1.0. Released v2.4.0.
% 0.08/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.14/0.35  % Computer : n027.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit   : 300
% 0.14/0.35  % WCLimit    : 300
% 0.14/0.35  % DateTime   : Tue Aug 30 18:49:31 EDT 2022
% 0.14/0.35  % CPUTime    : 
% 0.21/0.51  % (25912)dis+1002_1:12_drc=off:fd=preordered:tgt=full:i=99978:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99978Mi)
% 1.27/0.52  % (25917)dis+21_1:1_av=off:sos=on:sp=frequency:ss=included:to=lpo:i=15:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/15Mi)
% 1.27/0.52  % (25912)First to succeed.
% 1.27/0.52  % (25937)lrs+11_1:1_plsq=on:plsqc=1:plsqr=32,1:ss=included:i=95:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/95Mi)
% 1.27/0.53  % (25918)dis+1010_1:50_awrs=decay:awrsf=128:nwc=10.0:s2pl=no:sp=frequency:ss=axioms:i=39:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/39Mi)
% 1.27/0.53  % (25921)lrs+10_1:1_br=off:sos=on:ss=axioms:st=2.0:urr=on:i=33:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/33Mi)
% 1.27/0.53  % (25912)Refutation found. Thanks to Tanya!
% 1.27/0.53  % SZS status Theorem for theBenchmark
% 1.27/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 1.27/0.53  % (25912)------------------------------
% 1.27/0.53  % (25912)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.27/0.53  % (25912)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.27/0.53  % (25912)Termination reason: Refutation
% 1.27/0.53  
% 1.27/0.53  % (25912)Memory used [KB]: 6396
% 1.27/0.53  % (25912)Time elapsed: 0.105 s
% 1.27/0.53  % (25912)Instructions burned: 12 (million)
% 1.27/0.53  % (25912)------------------------------
% 1.27/0.53  % (25912)------------------------------
% 1.27/0.53  % (25911)Success in time 0.176 s
%------------------------------------------------------------------------------