TSTP Solution File: SWC286+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC286+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 : n012.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 18:42:54 EDT 2022

% Result   : Theorem 0.19s 0.49s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   37 (   7 unt;   0 def)
%            Number of atoms       :  249 (  87 equ)
%            Maximal formula atoms :   32 (   6 avg)
%            Number of connectives :  298 (  86   ~;  84   |; 112   &)
%                                         (   4 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   11 (   9 usr;   5 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   59 (  27   !;  32   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f723,plain,
    $false,
    inference(avatar_sat_refutation,[],[f645,f651,f663,f700,f722]) ).

fof(f722,plain,
    ~ spl58_9,
    inference(avatar_contradiction_clause,[],[f721]) ).

fof(f721,plain,
    ( $false
    | ~ spl58_9 ),
    inference(subsumption_resolution,[],[f719,f532]) ).

fof(f532,plain,
    strictorderedP(nil),
    inference(cnf_transformation,[],[f69]) ).

fof(f69,axiom,
    strictorderedP(nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax69) ).

fof(f719,plain,
    ( ~ strictorderedP(nil)
    | ~ spl58_9 ),
    inference(backward_demodulation,[],[f549,f643]) ).

fof(f643,plain,
    ( nil = sK53
    | ~ spl58_9 ),
    inference(avatar_component_clause,[],[f641]) ).

fof(f641,plain,
    ( spl58_9
  <=> nil = sK53 ),
    introduced(avatar_definition,[new_symbols(naming,[spl58_9])]) ).

fof(f549,plain,
    ~ strictorderedP(sK53),
    inference(cnf_transformation,[],[f344]) ).

fof(f344,plain,
    ( ssList(sK54)
    & ssList(sK55)
    & ssList(sK56)
    & ~ strictorderedP(sK53)
    & sK54 = sK56
    & ( ( nil = sK55
        & nil = sK56 )
      | ( ! [X5] :
            ( sK57 = X5
            | ~ memberP(sK56,X5)
            | ~ ssItem(X5)
            | ~ leq(sK57,X5) )
        & sK55 = cons(sK57,nil)
        & ssItem(sK57)
        & memberP(sK56,sK57) ) )
    & sK55 = sK53
    & ssList(sK53) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK53,sK54,sK55,sK56,sK57])],[f159,f343,f342,f341,f340,f339]) ).

fof(f339,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ssList(X1)
            & ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( ssList(X3)
                    & ~ strictorderedP(X0)
                    & X1 = X3
                    & ( ( nil = X2
                        & nil = X3 )
                      | ? [X4] :
                          ( ! [X5] :
                              ( X4 = X5
                              | ~ memberP(X3,X5)
                              | ~ ssItem(X5)
                              | ~ leq(X4,X5) )
                          & cons(X4,nil) = X2
                          & ssItem(X4)
                          & memberP(X3,X4) ) )
                    & X0 = X2 ) ) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ~ strictorderedP(sK53)
                  & X1 = X3
                  & ( ( nil = X2
                      & nil = X3 )
                    | ? [X4] :
                        ( ! [X5] :
                            ( X4 = X5
                            | ~ memberP(X3,X5)
                            | ~ ssItem(X5)
                            | ~ leq(X4,X5) )
                        & cons(X4,nil) = X2
                        & ssItem(X4)
                        & memberP(X3,X4) ) )
                  & sK53 = X2 ) ) )
      & ssList(sK53) ) ),
    introduced(choice_axiom,[]) ).

fof(f340,plain,
    ( ? [X1] :
        ( ssList(X1)
        & ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ssList(X3)
                & ~ strictorderedP(sK53)
                & X1 = X3
                & ( ( nil = X2
                    & nil = X3 )
                  | ? [X4] :
                      ( ! [X5] :
                          ( X4 = X5
                          | ~ memberP(X3,X5)
                          | ~ ssItem(X5)
                          | ~ leq(X4,X5) )
                      & cons(X4,nil) = X2
                      & ssItem(X4)
                      & memberP(X3,X4) ) )
                & sK53 = X2 ) ) )
   => ( ssList(sK54)
      & ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ssList(X3)
              & ~ strictorderedP(sK53)
              & sK54 = X3
              & ( ( nil = X2
                  & nil = X3 )
                | ? [X4] :
                    ( ! [X5] :
                        ( X4 = X5
                        | ~ memberP(X3,X5)
                        | ~ ssItem(X5)
                        | ~ leq(X4,X5) )
                    & cons(X4,nil) = X2
                    & ssItem(X4)
                    & memberP(X3,X4) ) )
              & sK53 = X2 ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f341,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( ssList(X3)
            & ~ strictorderedP(sK53)
            & sK54 = X3
            & ( ( nil = X2
                & nil = X3 )
              | ? [X4] :
                  ( ! [X5] :
                      ( X4 = X5
                      | ~ memberP(X3,X5)
                      | ~ ssItem(X5)
                      | ~ leq(X4,X5) )
                  & cons(X4,nil) = X2
                  & ssItem(X4)
                  & memberP(X3,X4) ) )
            & sK53 = X2 ) )
   => ( ssList(sK55)
      & ? [X3] :
          ( ssList(X3)
          & ~ strictorderedP(sK53)
          & sK54 = X3
          & ( ( nil = sK55
              & nil = X3 )
            | ? [X4] :
                ( ! [X5] :
                    ( X4 = X5
                    | ~ memberP(X3,X5)
                    | ~ ssItem(X5)
                    | ~ leq(X4,X5) )
                & cons(X4,nil) = sK55
                & ssItem(X4)
                & memberP(X3,X4) ) )
          & sK55 = sK53 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f342,plain,
    ( ? [X3] :
        ( ssList(X3)
        & ~ strictorderedP(sK53)
        & sK54 = X3
        & ( ( nil = sK55
            & nil = X3 )
          | ? [X4] :
              ( ! [X5] :
                  ( X4 = X5
                  | ~ memberP(X3,X5)
                  | ~ ssItem(X5)
                  | ~ leq(X4,X5) )
              & cons(X4,nil) = sK55
              & ssItem(X4)
              & memberP(X3,X4) ) )
        & sK55 = sK53 )
   => ( ssList(sK56)
      & ~ strictorderedP(sK53)
      & sK54 = sK56
      & ( ( nil = sK55
          & nil = sK56 )
        | ? [X4] :
            ( ! [X5] :
                ( X4 = X5
                | ~ memberP(sK56,X5)
                | ~ ssItem(X5)
                | ~ leq(X4,X5) )
            & cons(X4,nil) = sK55
            & ssItem(X4)
            & memberP(sK56,X4) ) )
      & sK55 = sK53 ) ),
    introduced(choice_axiom,[]) ).

fof(f343,plain,
    ( ? [X4] :
        ( ! [X5] :
            ( X4 = X5
            | ~ memberP(sK56,X5)
            | ~ ssItem(X5)
            | ~ leq(X4,X5) )
        & cons(X4,nil) = sK55
        & ssItem(X4)
        & memberP(sK56,X4) )
   => ( ! [X5] :
          ( sK57 = X5
          | ~ memberP(sK56,X5)
          | ~ ssItem(X5)
          | ~ leq(sK57,X5) )
      & sK55 = cons(sK57,nil)
      & ssItem(sK57)
      & memberP(sK56,sK57) ) ),
    introduced(choice_axiom,[]) ).

fof(f159,plain,
    ? [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ~ strictorderedP(X0)
                  & X1 = X3
                  & ( ( nil = X2
                      & nil = X3 )
                    | ? [X4] :
                        ( ! [X5] :
                            ( X4 = X5
                            | ~ memberP(X3,X5)
                            | ~ ssItem(X5)
                            | ~ leq(X4,X5) )
                        & cons(X4,nil) = X2
                        & ssItem(X4)
                        & memberP(X3,X4) ) )
                  & X0 = X2 ) ) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ( ( nil != X2
                        | nil != X3 )
                      & ! [X4] :
                          ( cons(X4,nil) != X2
                          | ? [X5] :
                              ( leq(X4,X5)
                              & memberP(X3,X5)
                              & ssItem(X5)
                              & X4 != X5 )
                          | ~ memberP(X3,X4)
                          | ~ ssItem(X4) ) )
                    | ~ ssList(X3)
                    | strictorderedP(X0)
                    | X0 != X2
                    | X1 != X3 ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

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

fof(f700,plain,
    ( ~ spl58_8
    | ~ spl58_2
    | ~ spl58_7 ),
    inference(avatar_split_clause,[],[f699,f631,f608,f635]) ).

fof(f635,plain,
    ( spl58_8
  <=> ssItem(sK57) ),
    introduced(avatar_definition,[new_symbols(naming,[spl58_8])]) ).

fof(f608,plain,
    ( spl58_2
  <=> sK53 = cons(sK57,nil) ),
    introduced(avatar_definition,[new_symbols(naming,[spl58_2])]) ).

fof(f631,plain,
    ( spl58_7
  <=> ! [X0] :
        ( strictorderedP(cons(X0,nil))
        | ~ ssItem(X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl58_7])]) ).

fof(f699,plain,
    ( ~ ssItem(sK57)
    | ~ spl58_2
    | ~ spl58_7 ),
    inference(subsumption_resolution,[],[f685,f549]) ).

fof(f685,plain,
    ( strictorderedP(sK53)
    | ~ ssItem(sK57)
    | ~ spl58_2
    | ~ spl58_7 ),
    inference(superposition,[],[f632,f610]) ).

fof(f610,plain,
    ( sK53 = cons(sK57,nil)
    | ~ spl58_2 ),
    inference(avatar_component_clause,[],[f608]) ).

fof(f632,plain,
    ( ! [X0] :
        ( strictorderedP(cons(X0,nil))
        | ~ ssItem(X0) )
    | ~ spl58_7 ),
    inference(avatar_component_clause,[],[f631]) ).

fof(f663,plain,
    spl58_7,
    inference(avatar_split_clause,[],[f368,f631]) ).

fof(f368,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | strictorderedP(cons(X0,nil)) ),
    inference(cnf_transformation,[],[f133]) ).

fof(f133,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | strictorderedP(cons(X0,nil)) ),
    inference(ennf_transformation,[],[f68]) ).

fof(f68,axiom,
    ! [X0] :
      ( ssItem(X0)
     => strictorderedP(cons(X0,nil)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax68) ).

fof(f651,plain,
    ( spl58_2
    | spl58_9 ),
    inference(avatar_split_clause,[],[f565,f641,f608]) ).

fof(f565,plain,
    ( nil = sK53
    | sK53 = cons(sK57,nil) ),
    inference(definition_unfolding,[],[f546,f539,f539]) ).

fof(f539,plain,
    sK55 = sK53,
    inference(cnf_transformation,[],[f344]) ).

fof(f546,plain,
    ( nil = sK55
    | sK55 = cons(sK57,nil) ),
    inference(cnf_transformation,[],[f344]) ).

fof(f645,plain,
    ( spl58_9
    | spl58_8 ),
    inference(avatar_split_clause,[],[f566,f635,f641]) ).

fof(f566,plain,
    ( ssItem(sK57)
    | nil = sK53 ),
    inference(definition_unfolding,[],[f545,f539]) ).

fof(f545,plain,
    ( nil = sK55
    | ssItem(sK57) ),
    inference(cnf_transformation,[],[f344]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.01/0.12  % Problem    : SWC286+1 : TPTP v8.1.0. Released v2.4.0.
% 0.12/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.33  % Computer : n012.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Tue Aug 30 18:42:35 EDT 2022
% 0.19/0.34  % CPUTime    : 
% 0.19/0.47  % (17213)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.48  % (17205)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.48  % (17220)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.19/0.48  % (17205)Instruction limit reached!
% 0.19/0.48  % (17205)------------------------------
% 0.19/0.48  % (17205)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.48  % (17205)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.48  % (17205)Termination reason: Unknown
% 0.19/0.48  % (17205)Termination phase: Preprocessing 2
% 0.19/0.48  
% 0.19/0.48  % (17205)Memory used [KB]: 1023
% 0.19/0.48  % (17205)Time elapsed: 0.003 s
% 0.19/0.48  % (17205)Instructions burned: 2 (million)
% 0.19/0.48  % (17205)------------------------------
% 0.19/0.48  % (17205)------------------------------
% 0.19/0.49  % (17204)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.49  % (17213)First to succeed.
% 0.19/0.49  % (17213)Refutation found. Thanks to Tanya!
% 0.19/0.49  % SZS status Theorem for theBenchmark
% 0.19/0.49  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.49  % (17213)------------------------------
% 0.19/0.49  % (17213)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.49  % (17213)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.49  % (17213)Termination reason: Refutation
% 0.19/0.49  
% 0.19/0.49  % (17213)Memory used [KB]: 6012
% 0.19/0.49  % (17213)Time elapsed: 0.096 s
% 0.19/0.49  % (17213)Instructions burned: 14 (million)
% 0.19/0.49  % (17213)------------------------------
% 0.19/0.49  % (17213)------------------------------
% 0.19/0.49  % (17196)Success in time 0.147 s
%------------------------------------------------------------------------------