TSTP Solution File: SWC398+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SWC398+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 : n009.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 18:40:57 EDT 2022

% Result   : Theorem 0.19s 0.52s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   33 (  13 unt;   0 def)
%            Number of atoms       :  333 ( 108 equ)
%            Maximal formula atoms :   38 (  10 avg)
%            Number of connectives :  436 ( 136   ~; 109   |; 168   &)
%                                         (   2 <=>;  21  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   26 (  10 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   7 con; 0-2 aty)
%            Number of variables   :  130 (  72   !;  58   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f482,plain,
    $false,
    inference(subsumption_resolution,[],[f481,f215]) ).

fof(f215,plain,
    ~ memberP(sK3,sK4),
    inference(definition_unfolding,[],[f171,f163]) ).

fof(f163,plain,
    sK1 = sK3,
    inference(cnf_transformation,[],[f134]) ).

fof(f134,plain,
    ( ssList(sK0)
    & ssList(sK2)
    & ssList(sK3)
    & memberP(sK0,sK4)
    & ~ memberP(sK1,sK4)
    & ssItem(sK4)
    & ( nil != sK2
      | nil = sK3 )
    & sK2 = sK0
    & equalelemsP(sK2)
    & ssList(sK5)
    & app(sK2,sK5) = sK3
    & ! [X6] :
        ( ! [X7] :
            ( ~ ssList(X7)
            | ! [X8] :
                ( app(X8,cons(X6,nil)) != sK2
                | ~ ssList(X8) )
            | app(cons(X6,nil),X7) != sK5 )
        | ~ ssItem(X6) )
    & sK1 = sK3
    & ssList(sK1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4,sK5])],[f127,f133,f132,f131,f130,f129,f128]) ).

fof(f128,plain,
    ( ? [X0] :
        ( ssList(X0)
        & ? [X1] :
            ( ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( ssList(X3)
                    & ? [X4] :
                        ( memberP(X0,X4)
                        & ~ memberP(X1,X4)
                        & ssItem(X4) )
                    & ( nil != X2
                      | nil = X3 )
                    & X0 = X2
                    & ? [X5] :
                        ( equalelemsP(X2)
                        & ssList(X5)
                        & app(X2,X5) = X3
                        & ! [X6] :
                            ( ! [X7] :
                                ( ~ ssList(X7)
                                | ! [X8] :
                                    ( app(X8,cons(X6,nil)) != X2
                                    | ~ ssList(X8) )
                                | app(cons(X6,nil),X7) != X5 )
                            | ~ ssItem(X6) ) )
                    & X1 = X3 ) )
            & ssList(X1) ) )
   => ( ssList(sK0)
      & ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ? [X4] :
                      ( memberP(sK0,X4)
                      & ~ memberP(X1,X4)
                      & ssItem(X4) )
                  & ( nil != X2
                    | nil = X3 )
                  & sK0 = X2
                  & ? [X5] :
                      ( equalelemsP(X2)
                      & ssList(X5)
                      & app(X2,X5) = X3
                      & ! [X6] :
                          ( ! [X7] :
                              ( ~ ssList(X7)
                              | ! [X8] :
                                  ( app(X8,cons(X6,nil)) != X2
                                  | ~ ssList(X8) )
                              | app(cons(X6,nil),X7) != X5 )
                          | ~ ssItem(X6) ) )
                  & X1 = X3 ) )
          & ssList(X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f129,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ssList(X3)
                & ? [X4] :
                    ( memberP(sK0,X4)
                    & ~ memberP(X1,X4)
                    & ssItem(X4) )
                & ( nil != X2
                  | nil = X3 )
                & sK0 = X2
                & ? [X5] :
                    ( equalelemsP(X2)
                    & ssList(X5)
                    & app(X2,X5) = X3
                    & ! [X6] :
                        ( ! [X7] :
                            ( ~ ssList(X7)
                            | ! [X8] :
                                ( app(X8,cons(X6,nil)) != X2
                                | ~ ssList(X8) )
                            | app(cons(X6,nil),X7) != X5 )
                        | ~ ssItem(X6) ) )
                & X1 = X3 ) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ssList(X3)
              & ? [X4] :
                  ( memberP(sK0,X4)
                  & ~ memberP(sK1,X4)
                  & ssItem(X4) )
              & ( nil != X2
                | nil = X3 )
              & sK0 = X2
              & ? [X5] :
                  ( equalelemsP(X2)
                  & ssList(X5)
                  & app(X2,X5) = X3
                  & ! [X6] :
                      ( ! [X7] :
                          ( ~ ssList(X7)
                          | ! [X8] :
                              ( app(X8,cons(X6,nil)) != X2
                              | ~ ssList(X8) )
                          | app(cons(X6,nil),X7) != X5 )
                      | ~ ssItem(X6) ) )
              & sK1 = X3 ) )
      & ssList(sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f130,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( ssList(X3)
            & ? [X4] :
                ( memberP(sK0,X4)
                & ~ memberP(sK1,X4)
                & ssItem(X4) )
            & ( nil != X2
              | nil = X3 )
            & sK0 = X2
            & ? [X5] :
                ( equalelemsP(X2)
                & ssList(X5)
                & app(X2,X5) = X3
                & ! [X6] :
                    ( ! [X7] :
                        ( ~ ssList(X7)
                        | ! [X8] :
                            ( app(X8,cons(X6,nil)) != X2
                            | ~ ssList(X8) )
                        | app(cons(X6,nil),X7) != X5 )
                    | ~ ssItem(X6) ) )
            & sK1 = X3 ) )
   => ( ssList(sK2)
      & ? [X3] :
          ( ssList(X3)
          & ? [X4] :
              ( memberP(sK0,X4)
              & ~ memberP(sK1,X4)
              & ssItem(X4) )
          & ( nil != sK2
            | nil = X3 )
          & sK2 = sK0
          & ? [X5] :
              ( equalelemsP(sK2)
              & ssList(X5)
              & app(sK2,X5) = X3
              & ! [X6] :
                  ( ! [X7] :
                      ( ~ ssList(X7)
                      | ! [X8] :
                          ( app(X8,cons(X6,nil)) != sK2
                          | ~ ssList(X8) )
                      | app(cons(X6,nil),X7) != X5 )
                  | ~ ssItem(X6) ) )
          & sK1 = X3 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f131,plain,
    ( ? [X3] :
        ( ssList(X3)
        & ? [X4] :
            ( memberP(sK0,X4)
            & ~ memberP(sK1,X4)
            & ssItem(X4) )
        & ( nil != sK2
          | nil = X3 )
        & sK2 = sK0
        & ? [X5] :
            ( equalelemsP(sK2)
            & ssList(X5)
            & app(sK2,X5) = X3
            & ! [X6] :
                ( ! [X7] :
                    ( ~ ssList(X7)
                    | ! [X8] :
                        ( app(X8,cons(X6,nil)) != sK2
                        | ~ ssList(X8) )
                    | app(cons(X6,nil),X7) != X5 )
                | ~ ssItem(X6) ) )
        & sK1 = X3 )
   => ( ssList(sK3)
      & ? [X4] :
          ( memberP(sK0,X4)
          & ~ memberP(sK1,X4)
          & ssItem(X4) )
      & ( nil != sK2
        | nil = sK3 )
      & sK2 = sK0
      & ? [X5] :
          ( equalelemsP(sK2)
          & ssList(X5)
          & app(sK2,X5) = sK3
          & ! [X6] :
              ( ! [X7] :
                  ( ~ ssList(X7)
                  | ! [X8] :
                      ( app(X8,cons(X6,nil)) != sK2
                      | ~ ssList(X8) )
                  | app(cons(X6,nil),X7) != X5 )
              | ~ ssItem(X6) ) )
      & sK1 = sK3 ) ),
    introduced(choice_axiom,[]) ).

fof(f132,plain,
    ( ? [X4] :
        ( memberP(sK0,X4)
        & ~ memberP(sK1,X4)
        & ssItem(X4) )
   => ( memberP(sK0,sK4)
      & ~ memberP(sK1,sK4)
      & ssItem(sK4) ) ),
    introduced(choice_axiom,[]) ).

fof(f133,plain,
    ( ? [X5] :
        ( equalelemsP(sK2)
        & ssList(X5)
        & app(sK2,X5) = sK3
        & ! [X6] :
            ( ! [X7] :
                ( ~ ssList(X7)
                | ! [X8] :
                    ( app(X8,cons(X6,nil)) != sK2
                    | ~ ssList(X8) )
                | app(cons(X6,nil),X7) != X5 )
            | ~ ssItem(X6) ) )
   => ( equalelemsP(sK2)
      & ssList(sK5)
      & app(sK2,sK5) = sK3
      & ! [X6] :
          ( ! [X7] :
              ( ~ ssList(X7)
              | ! [X8] :
                  ( app(X8,cons(X6,nil)) != sK2
                  | ~ ssList(X8) )
              | app(cons(X6,nil),X7) != sK5 )
          | ~ ssItem(X6) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f127,plain,
    ? [X0] :
      ( ssList(X0)
      & ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ? [X4] :
                      ( memberP(X0,X4)
                      & ~ memberP(X1,X4)
                      & ssItem(X4) )
                  & ( nil != X2
                    | nil = X3 )
                  & X0 = X2
                  & ? [X5] :
                      ( equalelemsP(X2)
                      & ssList(X5)
                      & app(X2,X5) = X3
                      & ! [X6] :
                          ( ! [X7] :
                              ( ~ ssList(X7)
                              | ! [X8] :
                                  ( app(X8,cons(X6,nil)) != X2
                                  | ~ ssList(X8) )
                              | app(cons(X6,nil),X7) != X5 )
                          | ~ ssItem(X6) ) )
                  & X1 = X3 ) )
          & ssList(X1) ) ),
    inference(rectify,[],[f112]) ).

fof(f112,plain,
    ? [X0] :
      ( ssList(X0)
      & ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ? [X8] :
                      ( memberP(X0,X8)
                      & ~ memberP(X1,X8)
                      & ssItem(X8) )
                  & ( nil != X2
                    | nil = X3 )
                  & X0 = X2
                  & ? [X4] :
                      ( equalelemsP(X2)
                      & ssList(X4)
                      & app(X2,X4) = X3
                      & ! [X5] :
                          ( ! [X6] :
                              ( ~ ssList(X6)
                              | ! [X7] :
                                  ( app(X7,cons(X5,nil)) != X2
                                  | ~ ssList(X7) )
                              | app(cons(X5,nil),X6) != X4 )
                          | ~ ssItem(X5) ) )
                  & X1 = X3 ) )
          & ssList(X1) ) ),
    inference(flattening,[],[f111]) ).

fof(f111,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( nil != X2
                    | nil = X3 )
                  & X1 = X3
                  & X0 = X2
                  & ? [X8] :
                      ( memberP(X0,X8)
                      & ~ memberP(X1,X8)
                      & ssItem(X8) )
                  & ? [X4] :
                      ( ! [X5] :
                          ( ! [X6] :
                              ( ~ ssList(X6)
                              | ! [X7] :
                                  ( app(X7,cons(X5,nil)) != X2
                                  | ~ ssList(X7) )
                              | app(cons(X5,nil),X6) != X4 )
                          | ~ ssItem(X5) )
                      & equalelemsP(X2)
                      & app(X2,X4) = X3
                      & 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 = X2
                        & nil != X3 )
                      | X1 != X3
                      | X0 != X2
                      | ! [X8] :
                          ( ssItem(X8)
                         => ( ~ memberP(X0,X8)
                            | memberP(X1,X8) ) )
                      | ! [X4] :
                          ( ssList(X4)
                         => ( ? [X5] :
                                ( ? [X6] :
                                    ( app(cons(X5,nil),X6) = X4
                                    & ? [X7] :
                                        ( ssList(X7)
                                        & app(X7,cons(X5,nil)) = X2 )
                                    & ssList(X6) )
                                & ssItem(X5) )
                            | ~ equalelemsP(X2)
                            | app(X2,X4) != X3 ) ) ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( ( nil = X2
                      & nil != X3 )
                    | X1 != X3
                    | X0 != X2
                    | ! [X8] :
                        ( ssItem(X8)
                       => ( ~ memberP(X0,X8)
                          | memberP(X1,X8) ) )
                    | ! [X4] :
                        ( ssList(X4)
                       => ( ? [X5] :
                              ( ? [X6] :
                                  ( app(cons(X5,nil),X6) = X4
                                  & ? [X7] :
                                      ( ssList(X7)
                                      & app(X7,cons(X5,nil)) = X2 )
                                  & ssList(X6) )
                              & ssItem(X5) )
                          | ~ equalelemsP(X2)
                          | app(X2,X4) != X3 ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

fof(f171,plain,
    ~ memberP(sK1,sK4),
    inference(cnf_transformation,[],[f134]) ).

fof(f481,plain,
    memberP(sK3,sK4),
    inference(forward_demodulation,[],[f476,f218]) ).

fof(f218,plain,
    app(sK0,sK5) = sK3,
    inference(definition_unfolding,[],[f165,f168]) ).

fof(f168,plain,
    sK2 = sK0,
    inference(cnf_transformation,[],[f134]) ).

fof(f165,plain,
    app(sK2,sK5) = sK3,
    inference(cnf_transformation,[],[f134]) ).

fof(f476,plain,
    memberP(app(sK0,sK5),sK4),
    inference(resolution,[],[f276,f166]) ).

fof(f166,plain,
    ssList(sK5),
    inference(cnf_transformation,[],[f134]) ).

fof(f276,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | memberP(app(sK0,X2),sK4) ),
    inference(subsumption_resolution,[],[f275,f170]) ).

fof(f170,plain,
    ssItem(sK4),
    inference(cnf_transformation,[],[f134]) ).

fof(f275,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | ~ ssItem(sK4)
      | memberP(app(sK0,X2),sK4) ),
    inference(subsumption_resolution,[],[f270,f175]) ).

fof(f175,plain,
    ssList(sK0),
    inference(cnf_transformation,[],[f134]) ).

fof(f270,plain,
    ! [X2] :
      ( ~ ssList(sK0)
      | memberP(app(sK0,X2),sK4)
      | ~ ssItem(sK4)
      | ~ ssList(X2) ),
    inference(resolution,[],[f172,f159]) ).

fof(f159,plain,
    ! [X2,X0,X1] :
      ( ~ memberP(X1,X0)
      | ~ ssItem(X0)
      | ~ ssList(X1)
      | memberP(app(X1,X2),X0)
      | ~ ssList(X2) ),
    inference(cnf_transformation,[],[f126]) ).

fof(f126,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | ( ( memberP(app(X1,X2),X0)
                  | ( ~ memberP(X2,X0)
                    & ~ memberP(X1,X0) ) )
                & ( memberP(X2,X0)
                  | memberP(X1,X0)
                  | ~ memberP(app(X1,X2),X0) ) ) ) ) ),
    inference(flattening,[],[f125]) ).

fof(f125,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | ( ( memberP(app(X1,X2),X0)
                  | ( ~ memberP(X2,X0)
                    & ~ memberP(X1,X0) ) )
                & ( memberP(X2,X0)
                  | memberP(X1,X0)
                  | ~ memberP(app(X1,X2),X0) ) ) ) ) ),
    inference(nnf_transformation,[],[f103]) ).

fof(f103,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ! [X1] :
          ( ~ ssList(X1)
          | ! [X2] :
              ( ~ ssList(X2)
              | ( memberP(app(X1,X2),X0)
              <=> ( memberP(X2,X0)
                  | memberP(X1,X0) ) ) ) ) ),
    inference(ennf_transformation,[],[f36]) ).

fof(f36,axiom,
    ! [X0] :
      ( ssItem(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ( memberP(app(X1,X2),X0)
              <=> ( memberP(X2,X0)
                  | memberP(X1,X0) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax36) ).

fof(f172,plain,
    memberP(sK0,sK4),
    inference(cnf_transformation,[],[f134]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SWC398+1 : TPTP v8.1.0. Released v2.4.0.
% 0.11/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.33  % Computer : n009.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit   : 300
% 0.13/0.33  % WCLimit    : 300
% 0.13/0.33  % DateTime   : Tue Aug 30 18:49:50 EDT 2022
% 0.13/0.33  % CPUTime    : 
% 0.19/0.49  % (28337)dis+10_1:1_av=off:sos=on:sp=reverse_arity:ss=included:st=2.0:to=lpo:urr=ec_only:i=45:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/45Mi)
% 0.19/0.50  % (28322)dis+10_1:1_newcnf=on:sgt=8:sos=on:ss=axioms:to=lpo:urr=on:i=49:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/49Mi)
% 0.19/0.51  % (28337)First to succeed.
% 0.19/0.51  % (28314)dis+1002_1:12_drc=off:fd=preordered:tgt=full:i=99978:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99978Mi)
% 0.19/0.51  % (28319)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)
% 0.19/0.51  % (28324)lrs+10_1:1_ep=R:lcm=predicate:lma=on:sos=all:spb=goal:ss=included:i=12:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/12Mi)
% 0.19/0.51  % (28315)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)
% 0.19/0.51  % (28324)Refutation not found, incomplete strategy% (28324)------------------------------
% 0.19/0.51  % (28324)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (28324)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (28324)Termination reason: Refutation not found, incomplete strategy
% 0.19/0.51  
% 0.19/0.51  % (28324)Memory used [KB]: 6140
% 0.19/0.51  % (28324)Time elapsed: 0.117 s
% 0.19/0.51  % (28324)Instructions burned: 7 (million)
% 0.19/0.51  % (28324)------------------------------
% 0.19/0.51  % (28324)------------------------------
% 0.19/0.51  % (28318)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)
% 0.19/0.52  % (28337)Refutation found. Thanks to Tanya!
% 0.19/0.52  % SZS status Theorem for theBenchmark
% 0.19/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.52  % (28337)------------------------------
% 0.19/0.52  % (28337)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (28337)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (28337)Termination reason: Refutation
% 0.19/0.52  
% 0.19/0.52  % (28337)Memory used [KB]: 1918
% 0.19/0.52  % (28337)Time elapsed: 0.123 s
% 0.19/0.52  % (28337)Instructions burned: 15 (million)
% 0.19/0.52  % (28337)------------------------------
% 0.19/0.52  % (28337)------------------------------
% 0.19/0.52  % (28313)Success in time 0.174 s
%------------------------------------------------------------------------------