TSTP Solution File: SET046+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET046+1 : TPTP v8.1.0. Released v2.0.0.
% 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 : n011.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 18:23:22 EDT 2022

% Result   : Theorem 0.21s 0.52s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   18 (   3 unt;   0 def)
%            Number of atoms       :   63 (   0 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :   77 (  32   ~;  24   |;  15   &)
%                                         (   4 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   1 con; 0-1 aty)
%            Number of variables   :   37 (  22   !;  15   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f20,plain,
    $false,
    inference(subsumption_resolution,[],[f19,f12]) ).

fof(f12,plain,
    ! [X2,X1] :
      ( ~ element(X1,sK0)
      | ~ element(X2,X1)
      | ~ element(X1,X2) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f9,plain,
    ! [X1] :
      ( ( ! [X2] :
            ( ~ element(X1,X2)
            | ~ element(X2,X1) )
        | ~ element(X1,sK0) )
      & ( element(X1,sK0)
        | ( element(X1,sK1(X1))
          & element(sK1(X1),X1) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f6,f8,f7]) ).

fof(f7,plain,
    ( ? [X0] :
      ! [X1] :
        ( ( ! [X2] :
              ( ~ element(X1,X2)
              | ~ element(X2,X1) )
          | ~ element(X1,X0) )
        & ( element(X1,X0)
          | ? [X3] :
              ( element(X1,X3)
              & element(X3,X1) ) ) )
   => ! [X1] :
        ( ( ! [X2] :
              ( ~ element(X1,X2)
              | ~ element(X2,X1) )
          | ~ element(X1,sK0) )
        & ( element(X1,sK0)
          | ? [X3] :
              ( element(X1,X3)
              & element(X3,X1) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f8,plain,
    ! [X1] :
      ( ? [X3] :
          ( element(X1,X3)
          & element(X3,X1) )
     => ( element(X1,sK1(X1))
        & element(sK1(X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f6,plain,
    ? [X0] :
    ! [X1] :
      ( ( ! [X2] :
            ( ~ element(X1,X2)
            | ~ element(X2,X1) )
        | ~ element(X1,X0) )
      & ( element(X1,X0)
        | ? [X3] :
            ( element(X1,X3)
            & element(X3,X1) ) ) ),
    inference(rectify,[],[f5]) ).

fof(f5,plain,
    ? [X0] :
    ! [X1] :
      ( ( ! [X2] :
            ( ~ element(X1,X2)
            | ~ element(X2,X1) )
        | ~ element(X1,X0) )
      & ( element(X1,X0)
        | ? [X2] :
            ( element(X1,X2)
            & element(X2,X1) ) ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f4,plain,
    ? [X0] :
    ! [X1] :
      ( ! [X2] :
          ( ~ element(X1,X2)
          | ~ element(X2,X1) )
    <=> element(X1,X0) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f3,plain,
    ? [X0] :
    ! [X1] :
      ( element(X1,X0)
    <=> ~ ? [X2] :
            ( element(X1,X2)
            & element(X2,X1) ) ),
    inference(flattening,[],[f2]) ).

fof(f2,negated_conjecture,
    ~ ~ ? [X0] :
        ! [X1] :
          ( element(X1,X0)
        <=> ~ ? [X2] :
                ( element(X1,X2)
                & element(X2,X1) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f1,conjecture,
    ~ ? [X0] :
      ! [X1] :
        ( element(X1,X0)
      <=> ~ ? [X2] :
              ( element(X1,X2)
              & element(X2,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel42) ).

fof(f19,plain,
    element(sK0,sK0),
    inference(resolution,[],[f17,f11]) ).

fof(f11,plain,
    ! [X1] :
      ( element(X1,sK1(X1))
      | element(X1,sK0) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f17,plain,
    ~ element(sK0,sK1(sK0)),
    inference(subsumption_resolution,[],[f15,f12]) ).

fof(f15,plain,
    ( element(sK0,sK0)
    | ~ element(sK0,sK1(sK0)) ),
    inference(resolution,[],[f14,f10]) ).

fof(f10,plain,
    ! [X1] :
      ( element(sK1(X1),X1)
      | element(X1,sK0) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f14,plain,
    ! [X0] :
      ( ~ element(sK1(sK0),X0)
      | ~ element(X0,sK1(sK0)) ),
    inference(subsumption_resolution,[],[f13,f12]) ).

fof(f13,plain,
    ! [X0] :
      ( element(sK0,sK0)
      | ~ element(sK1(sK0),X0)
      | ~ element(X0,sK1(sK0)) ),
    inference(resolution,[],[f12,f10]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem    : SET046+1 : TPTP v8.1.0. Released v2.0.0.
% 0.04/0.13  % 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 : n011.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
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Aug 30 13:00:25 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.21/0.51  % (5965)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 (3000ds/467Mi)
% 0.21/0.52  % (5957)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/75Mi)
% 0.21/0.52  % (5949)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/2Mi)
% 0.21/0.52  % (5965)First to succeed.
% 0.21/0.52  % (5957)Also succeeded, but the first one will report.
% 0.21/0.52  % (5965)Refutation found. Thanks to Tanya!
% 0.21/0.52  % SZS status Theorem for theBenchmark
% 0.21/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.52  % (5965)------------------------------
% 0.21/0.52  % (5965)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.52  % (5965)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.52  % (5965)Termination reason: Refutation
% 0.21/0.52  
% 0.21/0.52  % (5965)Memory used [KB]: 5373
% 0.21/0.52  % (5965)Time elapsed: 0.054 s
% 0.21/0.52  % (5965)Instructions burned: 2 (million)
% 0.21/0.52  % (5965)------------------------------
% 0.21/0.52  % (5965)------------------------------
% 0.21/0.52  % (5939)Success in time 0.167 s
%------------------------------------------------------------------------------