TSTP Solution File: SWC059+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC059+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_sat --cores 0 -t %d %s

% Computer : n016.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 18:41:27 EDT 2022

% Result   : Theorem 0.19s 0.52s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   44 (   7 unt;   0 def)
%            Number of atoms       :  309 ( 107 equ)
%            Maximal formula atoms :   36 (   7 avg)
%            Number of connectives :  415 ( 150   ~; 131   |; 121   &)
%                                         (   0 <=>;  13  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   6 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   :   52 (  26   !;  26   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f678,plain,
    $false,
    inference(subsumption_resolution,[],[f671,f648]) ).

fof(f648,plain,
    nil != sK19,
    inference(subsumption_resolution,[],[f643,f420]) ).

fof(f420,plain,
    ssList(sK19),
    inference(cnf_transformation,[],[f265]) ).

fof(f265,plain,
    ( ssList(sK18)
    & ( ~ neq(sK20,nil)
      | ( segmentP(sK20,sK19)
        & neq(sK19,nil) ) )
    & sK17 = sK19
    & ( nil = sK19
      | nil != sK20 )
    & sK20 = sK18
    & ( ( nil = sK18
        & nil != sK17 )
      | ( neq(sK18,nil)
        & ! [X4] :
            ( ~ neq(X4,nil)
            | ~ segmentP(sK18,X4)
            | ~ ssList(X4)
            | ~ segmentP(sK17,X4) ) ) )
    & ssList(sK20)
    & ssList(sK19)
    & ssList(sK17) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK17,sK18,sK19,sK20])],[f197,f264,f263,f262,f261]) ).

fof(f261,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ssList(X1)
            & ? [X2] :
                ( ? [X3] :
                    ( ( ~ neq(X3,nil)
                      | ( segmentP(X3,X2)
                        & neq(X2,nil) ) )
                    & X0 = X2
                    & ( nil = X2
                      | nil != X3 )
                    & X1 = X3
                    & ( ( nil = X1
                        & nil != X0 )
                      | ( neq(X1,nil)
                        & ! [X4] :
                            ( ~ neq(X4,nil)
                            | ~ segmentP(X1,X4)
                            | ~ ssList(X4)
                            | ~ segmentP(X0,X4) ) ) )
                    & ssList(X3) )
                & ssList(X2) ) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ? [X3] :
                  ( ( ~ neq(X3,nil)
                    | ( segmentP(X3,X2)
                      & neq(X2,nil) ) )
                  & sK17 = X2
                  & ( nil = X2
                    | nil != X3 )
                  & X1 = X3
                  & ( ( nil = X1
                      & nil != sK17 )
                    | ( neq(X1,nil)
                      & ! [X4] :
                          ( ~ neq(X4,nil)
                          | ~ segmentP(X1,X4)
                          | ~ ssList(X4)
                          | ~ segmentP(sK17,X4) ) ) )
                  & ssList(X3) )
              & ssList(X2) ) )
      & ssList(sK17) ) ),
    introduced(choice_axiom,[]) ).

fof(f262,plain,
    ( ? [X1] :
        ( ssList(X1)
        & ? [X2] :
            ( ? [X3] :
                ( ( ~ neq(X3,nil)
                  | ( segmentP(X3,X2)
                    & neq(X2,nil) ) )
                & sK17 = X2
                & ( nil = X2
                  | nil != X3 )
                & X1 = X3
                & ( ( nil = X1
                    & nil != sK17 )
                  | ( neq(X1,nil)
                    & ! [X4] :
                        ( ~ neq(X4,nil)
                        | ~ segmentP(X1,X4)
                        | ~ ssList(X4)
                        | ~ segmentP(sK17,X4) ) ) )
                & ssList(X3) )
            & ssList(X2) ) )
   => ( ssList(sK18)
      & ? [X2] :
          ( ? [X3] :
              ( ( ~ neq(X3,nil)
                | ( segmentP(X3,X2)
                  & neq(X2,nil) ) )
              & sK17 = X2
              & ( nil = X2
                | nil != X3 )
              & sK18 = X3
              & ( ( nil = sK18
                  & nil != sK17 )
                | ( neq(sK18,nil)
                  & ! [X4] :
                      ( ~ neq(X4,nil)
                      | ~ segmentP(sK18,X4)
                      | ~ ssList(X4)
                      | ~ segmentP(sK17,X4) ) ) )
              & ssList(X3) )
          & ssList(X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f263,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( ( ~ neq(X3,nil)
              | ( segmentP(X3,X2)
                & neq(X2,nil) ) )
            & sK17 = X2
            & ( nil = X2
              | nil != X3 )
            & sK18 = X3
            & ( ( nil = sK18
                & nil != sK17 )
              | ( neq(sK18,nil)
                & ! [X4] :
                    ( ~ neq(X4,nil)
                    | ~ segmentP(sK18,X4)
                    | ~ ssList(X4)
                    | ~ segmentP(sK17,X4) ) ) )
            & ssList(X3) )
        & ssList(X2) )
   => ( ? [X3] :
          ( ( ~ neq(X3,nil)
            | ( segmentP(X3,sK19)
              & neq(sK19,nil) ) )
          & sK17 = sK19
          & ( nil = sK19
            | nil != X3 )
          & sK18 = X3
          & ( ( nil = sK18
              & nil != sK17 )
            | ( neq(sK18,nil)
              & ! [X4] :
                  ( ~ neq(X4,nil)
                  | ~ segmentP(sK18,X4)
                  | ~ ssList(X4)
                  | ~ segmentP(sK17,X4) ) ) )
          & ssList(X3) )
      & ssList(sK19) ) ),
    introduced(choice_axiom,[]) ).

fof(f264,plain,
    ( ? [X3] :
        ( ( ~ neq(X3,nil)
          | ( segmentP(X3,sK19)
            & neq(sK19,nil) ) )
        & sK17 = sK19
        & ( nil = sK19
          | nil != X3 )
        & sK18 = X3
        & ( ( nil = sK18
            & nil != sK17 )
          | ( neq(sK18,nil)
            & ! [X4] :
                ( ~ neq(X4,nil)
                | ~ segmentP(sK18,X4)
                | ~ ssList(X4)
                | ~ segmentP(sK17,X4) ) ) )
        & ssList(X3) )
   => ( ( ~ neq(sK20,nil)
        | ( segmentP(sK20,sK19)
          & neq(sK19,nil) ) )
      & sK17 = sK19
      & ( nil = sK19
        | nil != sK20 )
      & sK20 = sK18
      & ( ( nil = sK18
          & nil != sK17 )
        | ( neq(sK18,nil)
          & ! [X4] :
              ( ~ neq(X4,nil)
              | ~ segmentP(sK18,X4)
              | ~ ssList(X4)
              | ~ segmentP(sK17,X4) ) ) )
      & ssList(sK20) ) ),
    introduced(choice_axiom,[]) ).

fof(f197,plain,
    ? [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ? [X3] :
                  ( ( ~ neq(X3,nil)
                    | ( segmentP(X3,X2)
                      & neq(X2,nil) ) )
                  & X0 = X2
                  & ( nil = X2
                    | nil != X3 )
                  & X1 = X3
                  & ( ( nil = X1
                      & nil != X0 )
                    | ( neq(X1,nil)
                      & ! [X4] :
                          ( ~ neq(X4,nil)
                          | ~ segmentP(X1,X4)
                          | ~ ssList(X4)
                          | ~ segmentP(X0,X4) ) ) )
                  & ssList(X3) )
              & ssList(X2) ) )
      & ssList(X0) ),
    inference(flattening,[],[f196]) ).

fof(f196,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ~ neq(X3,nil)
                    | ( segmentP(X3,X2)
                      & neq(X2,nil) ) )
                  & X0 = X2
                  & ( nil = X2
                    | nil != X3 )
                  & ( ( nil = X1
                      & nil != X0 )
                    | ( neq(X1,nil)
                      & ! [X4] :
                          ( ~ neq(X4,nil)
                          | ~ segmentP(X1,X4)
                          | ~ ssList(X4)
                          | ~ segmentP(X0,X4) ) ) )
                  & 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)
                   => ( ( neq(X3,nil)
                        & ( ~ neq(X2,nil)
                          | ~ segmentP(X3,X2) ) )
                      | X0 != X2
                      | ( nil = X3
                        & nil != X2 )
                      | ( ( ~ neq(X1,nil)
                          | ? [X4] :
                              ( segmentP(X1,X4)
                              & ssList(X4)
                              & neq(X4,nil)
                              & segmentP(X0,X4) ) )
                        & ( nil = X0
                          | nil != X1 ) )
                      | X1 != X3 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

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

fof(f643,plain,
    ( nil != sK19
    | ~ ssList(sK19) ),
    inference(resolution,[],[f496,f624]) ).

fof(f624,plain,
    ( ~ segmentP(sK19,sK19)
    | nil != sK19 ),
    inference(subsumption_resolution,[],[f623,f605]) ).

fof(f605,plain,
    ( segmentP(sK18,sK19)
    | nil != sK19 ),
    inference(resolution,[],[f564,f560]) ).

fof(f560,plain,
    ( ~ neq(sK18,nil)
    | segmentP(sK18,sK19) ),
    inference(definition_unfolding,[],[f430,f426,f426]) ).

fof(f426,plain,
    sK20 = sK18,
    inference(cnf_transformation,[],[f265]) ).

fof(f430,plain,
    ( ~ neq(sK20,nil)
    | segmentP(sK20,sK19) ),
    inference(cnf_transformation,[],[f265]) ).

fof(f564,plain,
    ( neq(sK18,nil)
    | nil != sK19 ),
    inference(definition_unfolding,[],[f423,f428]) ).

fof(f428,plain,
    sK17 = sK19,
    inference(cnf_transformation,[],[f265]) ).

fof(f423,plain,
    ( nil != sK17
    | neq(sK18,nil) ),
    inference(cnf_transformation,[],[f265]) ).

fof(f623,plain,
    ( nil != sK19
    | ~ segmentP(sK19,sK19)
    | ~ segmentP(sK18,sK19) ),
    inference(subsumption_resolution,[],[f622,f564]) ).

fof(f622,plain,
    ( ~ segmentP(sK18,sK19)
    | ~ neq(sK18,nil)
    | nil != sK19
    | ~ segmentP(sK19,sK19) ),
    inference(subsumption_resolution,[],[f620,f420]) ).

fof(f620,plain,
    ( ~ segmentP(sK19,sK19)
    | nil != sK19
    | ~ neq(sK18,nil)
    | ~ ssList(sK19)
    | ~ segmentP(sK18,sK19) ),
    inference(resolution,[],[f565,f561]) ).

fof(f561,plain,
    ( neq(sK19,nil)
    | ~ neq(sK18,nil) ),
    inference(definition_unfolding,[],[f429,f426]) ).

fof(f429,plain,
    ( ~ neq(sK20,nil)
    | neq(sK19,nil) ),
    inference(cnf_transformation,[],[f265]) ).

fof(f565,plain,
    ! [X4] :
      ( ~ neq(X4,nil)
      | ~ segmentP(sK18,X4)
      | ~ segmentP(sK19,X4)
      | nil != sK19
      | ~ ssList(X4) ),
    inference(definition_unfolding,[],[f422,f428,f428]) ).

fof(f422,plain,
    ! [X4] :
      ( nil != sK17
      | ~ neq(X4,nil)
      | ~ segmentP(sK18,X4)
      | ~ ssList(X4)
      | ~ segmentP(sK17,X4) ),
    inference(cnf_transformation,[],[f265]) ).

fof(f496,plain,
    ! [X0] :
      ( segmentP(X0,X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f195]) ).

fof(f195,plain,
    ! [X0] :
      ( segmentP(X0,X0)
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f55]) ).

fof(f55,axiom,
    ! [X0] :
      ( ssList(X0)
     => segmentP(X0,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax55) ).

fof(f671,plain,
    nil = sK19,
    inference(trivial_inequality_removal,[],[f657]) ).

fof(f657,plain,
    ( nil = sK19
    | nil != nil ),
    inference(backward_demodulation,[],[f562,f650]) ).

fof(f650,plain,
    nil = sK18,
    inference(subsumption_resolution,[],[f644,f420]) ).

fof(f644,plain,
    ( ~ ssList(sK19)
    | nil = sK18 ),
    inference(resolution,[],[f496,f615]) ).

fof(f615,plain,
    ( ~ segmentP(sK19,sK19)
    | nil = sK18 ),
    inference(subsumption_resolution,[],[f614,f425]) ).

fof(f425,plain,
    ( neq(sK18,nil)
    | nil = sK18 ),
    inference(cnf_transformation,[],[f265]) ).

fof(f614,plain,
    ( nil = sK18
    | ~ neq(sK18,nil)
    | ~ segmentP(sK19,sK19) ),
    inference(subsumption_resolution,[],[f613,f560]) ).

fof(f613,plain,
    ( ~ segmentP(sK19,sK19)
    | nil = sK18
    | ~ neq(sK18,nil)
    | ~ segmentP(sK18,sK19) ),
    inference(subsumption_resolution,[],[f611,f420]) ).

fof(f611,plain,
    ( ~ neq(sK18,nil)
    | ~ segmentP(sK18,sK19)
    | ~ ssList(sK19)
    | ~ segmentP(sK19,sK19)
    | nil = sK18 ),
    inference(resolution,[],[f563,f561]) ).

fof(f563,plain,
    ! [X4] :
      ( ~ neq(X4,nil)
      | ~ segmentP(sK19,X4)
      | ~ ssList(X4)
      | nil = sK18
      | ~ segmentP(sK18,X4) ),
    inference(definition_unfolding,[],[f424,f428]) ).

fof(f424,plain,
    ! [X4] :
      ( nil = sK18
      | ~ neq(X4,nil)
      | ~ segmentP(sK18,X4)
      | ~ ssList(X4)
      | ~ segmentP(sK17,X4) ),
    inference(cnf_transformation,[],[f265]) ).

fof(f562,plain,
    ( nil = sK19
    | nil != sK18 ),
    inference(definition_unfolding,[],[f427,f426]) ).

fof(f427,plain,
    ( nil = sK19
    | nil != sK20 ),
    inference(cnf_transformation,[],[f265]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SWC059+1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n016.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 18:26:16 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.49  % (1204)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.19/0.49  % (1196)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.19/0.50  % (1188)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.51  % (1190)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.51  % (1190)Instruction limit reached!
% 0.19/0.51  % (1190)------------------------------
% 0.19/0.51  % (1190)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (1190)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (1190)Termination reason: Unknown
% 0.19/0.51  % (1190)Termination phase: Preprocessing 3
% 0.19/0.51  
% 0.19/0.51  % (1190)Memory used [KB]: 1023
% 0.19/0.51  % (1190)Time elapsed: 0.003 s
% 0.19/0.51  % (1190)Instructions burned: 3 (million)
% 0.19/0.51  % (1190)------------------------------
% 0.19/0.51  % (1190)------------------------------
% 0.19/0.51  % (1204)First to succeed.
% 0.19/0.52  % (1204)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  % (1204)------------------------------
% 0.19/0.52  % (1204)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (1204)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (1204)Termination reason: Refutation
% 0.19/0.52  
% 0.19/0.52  % (1204)Memory used [KB]: 1407
% 0.19/0.52  % (1204)Time elapsed: 0.069 s
% 0.19/0.52  % (1204)Instructions burned: 14 (million)
% 0.19/0.52  % (1204)------------------------------
% 0.19/0.52  % (1204)------------------------------
% 0.19/0.52  % (1181)Success in time 0.168 s
%------------------------------------------------------------------------------