TSTP Solution File: SEU121+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SEU121+1 : TPTP v8.1.0. Released v3.3.0.
% 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 : n017.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 18:32:00 EDT 2022

% Result   : Theorem 0.20s 0.50s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   27 (   6 unt;   0 def)
%            Number of atoms       :   77 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   84 (  34   ~;  19   |;  23   &)
%                                         (   2 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   51 (  36   !;  15   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f175,plain,
    $false,
    inference(resolution,[],[f171,f41]) ).

fof(f41,plain,
    subset(sK2,sK0),
    inference(cnf_transformation,[],[f26]) ).

fof(f26,plain,
    ( subset(sK2,sK0)
    & ~ subset(sK1,sK0)
    & subset(sK1,sK2) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f24,f25]) ).

fof(f25,plain,
    ( ? [X0,X1,X2] :
        ( subset(X2,X0)
        & ~ subset(X1,X0)
        & subset(X1,X2) )
   => ( subset(sK2,sK0)
      & ~ subset(sK1,sK0)
      & subset(sK1,sK2) ) ),
    introduced(choice_axiom,[]) ).

fof(f24,plain,
    ? [X0,X1,X2] :
      ( subset(X2,X0)
      & ~ subset(X1,X0)
      & subset(X1,X2) ),
    inference(rectify,[],[f17]) ).

fof(f17,plain,
    ? [X1,X2,X0] :
      ( subset(X0,X1)
      & ~ subset(X2,X1)
      & subset(X2,X0) ),
    inference(flattening,[],[f16]) ).

fof(f16,plain,
    ? [X2,X0,X1] :
      ( ~ subset(X2,X1)
      & subset(X0,X1)
      & subset(X2,X0) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,plain,
    ~ ! [X2,X0,X1] :
        ( ( subset(X0,X1)
          & subset(X2,X0) )
       => subset(X2,X1) ),
    inference(rectify,[],[f9]) ).

fof(f9,negated_conjecture,
    ~ ! [X1,X2,X0] :
        ( ( subset(X1,X2)
          & subset(X0,X1) )
       => subset(X0,X2) ),
    inference(negated_conjecture,[],[f8]) ).

fof(f8,conjecture,
    ! [X1,X2,X0] :
      ( ( subset(X1,X2)
        & subset(X0,X1) )
     => subset(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_xboole_1) ).

fof(f171,plain,
    ~ subset(sK2,sK0),
    inference(resolution,[],[f169,f40]) ).

fof(f40,plain,
    ~ subset(sK1,sK0),
    inference(cnf_transformation,[],[f26]) ).

fof(f169,plain,
    ( subset(sK1,sK0)
    | ~ subset(sK2,sK0) ),
    inference(resolution,[],[f147,f47]) ).

fof(f47,plain,
    ! [X0,X1] :
      ( in(sK4(X0,X1),X1)
      | subset(X1,X0) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ~ in(X2,X1)
            | in(X2,X0) )
        | ~ subset(X1,X0) )
      & ( subset(X1,X0)
        | ( in(sK4(X0,X1),X1)
          & ~ in(sK4(X0,X1),X0) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4])],[f31,f32]) ).

fof(f32,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( in(X3,X1)
          & ~ in(X3,X0) )
     => ( in(sK4(X0,X1),X1)
        & ~ in(sK4(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f31,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ~ in(X2,X1)
            | in(X2,X0) )
        | ~ subset(X1,X0) )
      & ( subset(X1,X0)
        | ? [X3] :
            ( in(X3,X1)
            & ~ in(X3,X0) ) ) ),
    inference(rectify,[],[f30]) ).

fof(f30,plain,
    ! [X1,X0] :
      ( ( ! [X2] :
            ( ~ in(X2,X0)
            | in(X2,X1) )
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | ? [X2] :
            ( in(X2,X0)
            & ~ in(X2,X1) ) ) ),
    inference(nnf_transformation,[],[f21]) ).

fof(f21,plain,
    ! [X1,X0] :
      ( ! [X2] :
          ( ~ in(X2,X0)
          | in(X2,X1) )
    <=> subset(X0,X1) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( ! [X2] :
          ( in(X2,X0)
         => in(X2,X1) )
    <=> subset(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

fof(f147,plain,
    ( ~ in(sK4(sK0,sK1),sK1)
    | ~ subset(sK2,sK0) ),
    inference(resolution,[],[f70,f39]) ).

fof(f39,plain,
    subset(sK1,sK2),
    inference(cnf_transformation,[],[f26]) ).

fof(f70,plain,
    ! [X0,X1] :
      ( ~ subset(X1,X0)
      | ~ in(sK4(sK0,sK1),X1)
      | ~ subset(X0,sK0) ),
    inference(resolution,[],[f67,f48]) ).

fof(f48,plain,
    ! [X2,X0,X1] :
      ( in(X2,X0)
      | ~ subset(X1,X0)
      | ~ in(X2,X1) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f67,plain,
    ! [X11] :
      ( ~ in(sK4(sK0,sK1),X11)
      | ~ subset(X11,sK0) ),
    inference(resolution,[],[f48,f57]) ).

fof(f57,plain,
    ~ in(sK4(sK0,sK1),sK0),
    inference(resolution,[],[f46,f40]) ).

fof(f46,plain,
    ! [X0,X1] :
      ( subset(X1,X0)
      | ~ in(sK4(X0,X1),X0) ),
    inference(cnf_transformation,[],[f33]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SEU121+1 : TPTP v8.1.0. Released v3.3.0.
% 0.13/0.13  % 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 : n017.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 14:04:05 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.48  % (17195)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.20/0.49  % (17187)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/50Mi)
% 0.20/0.49  % (17195)First to succeed.
% 0.20/0.50  % (17195)Refutation found. Thanks to Tanya!
% 0.20/0.50  % SZS status Theorem for theBenchmark
% 0.20/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.50  % (17195)------------------------------
% 0.20/0.50  % (17195)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.50  % (17195)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.50  % (17195)Termination reason: Refutation
% 0.20/0.50  
% 0.20/0.50  % (17195)Memory used [KB]: 1023
% 0.20/0.50  % (17195)Time elapsed: 0.104 s
% 0.20/0.50  % (17195)Instructions burned: 4 (million)
% 0.20/0.50  % (17195)------------------------------
% 0.20/0.50  % (17195)------------------------------
% 0.20/0.50  % (17182)Success in time 0.142 s
%------------------------------------------------------------------------------