TSTP Solution File: SET044+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET044+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 : n025.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 18:23:21 EDT 2022

% Result   : Theorem 0.19s 0.50s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   17 (   4 unt;   0 def)
%            Number of atoms       :   66 (   0 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :   80 (  31   ~;  25   |;  14   &)
%                                         (   6 <=>;   4  =>;   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   :   42 (  30   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f22,plain,
    $false,
    inference(subsumption_resolution,[],[f20,f18]) ).

fof(f18,plain,
    element(sK0(sK1),sK1),
    inference(factoring,[],[f13]) ).

fof(f13,plain,
    ! [X0] :
      ( element(sK0(X0),sK1)
      | element(sK0(X0),X0) ),
    inference(resolution,[],[f11,f9]) ).

fof(f9,plain,
    ! [X4] :
      ( ~ element(X4,X4)
      | element(X4,sK1) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f8,plain,
    ( ! [X0,X2] :
        ( ( ~ element(X2,X0)
          | ~ element(X2,sK0(X0)) )
        & ( element(X2,sK0(X0))
          | element(X2,X0) ) )
    & ! [X4] :
        ( ( element(X4,X4)
          | ~ element(X4,sK1) )
        & ( element(X4,sK1)
          | ~ element(X4,X4) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f5,f7,f6]) ).

fof(f6,plain,
    ! [X0] :
      ( ? [X1] :
        ! [X2] :
          ( ( ~ element(X2,X0)
            | ~ element(X2,X1) )
          & ( element(X2,X1)
            | element(X2,X0) ) )
     => ! [X2] :
          ( ( ~ element(X2,X0)
            | ~ element(X2,sK0(X0)) )
          & ( element(X2,sK0(X0))
            | element(X2,X0) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f7,plain,
    ( ? [X3] :
      ! [X4] :
        ( ( element(X4,X4)
          | ~ element(X4,X3) )
        & ( element(X4,X3)
          | ~ element(X4,X4) ) )
   => ! [X4] :
        ( ( element(X4,X4)
          | ~ element(X4,sK1) )
        & ( element(X4,sK1)
          | ~ element(X4,X4) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f5,plain,
    ( ! [X0] :
      ? [X1] :
      ! [X2] :
        ( ( ~ element(X2,X0)
          | ~ element(X2,X1) )
        & ( element(X2,X1)
          | element(X2,X0) ) )
    & ? [X3] :
      ! [X4] :
        ( ( element(X4,X4)
          | ~ element(X4,X3) )
        & ( element(X4,X3)
          | ~ element(X4,X4) ) ) ),
    inference(rectify,[],[f4]) ).

fof(f4,plain,
    ( ! [X2] :
      ? [X3] :
      ! [X4] :
        ( ( ~ element(X4,X2)
          | ~ element(X4,X3) )
        & ( element(X4,X3)
          | element(X4,X2) ) )
    & ? [X0] :
      ! [X1] :
        ( ( element(X1,X1)
          | ~ element(X1,X0) )
        & ( element(X1,X0)
          | ~ element(X1,X1) ) ) ),
    inference(nnf_transformation,[],[f3]) ).

fof(f3,plain,
    ( ! [X2] :
      ? [X3] :
      ! [X4] :
        ( ~ element(X4,X2)
      <=> element(X4,X3) )
    & ? [X0] :
      ! [X1] :
        ( element(X1,X1)
      <=> element(X1,X0) ) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f2,negated_conjecture,
    ~ ( ? [X0] :
        ! [X1] :
          ( element(X1,X1)
        <=> element(X1,X0) )
     => ~ ! [X2] :
          ? [X3] :
          ! [X4] :
            ( ~ element(X4,X2)
          <=> element(X4,X3) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f1,conjecture,
    ( ? [X0] :
      ! [X1] :
        ( element(X1,X1)
      <=> element(X1,X0) )
   => ~ ! [X2] :
        ? [X3] :
        ! [X4] :
          ( ~ element(X4,X2)
        <=> element(X4,X3) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel40) ).

fof(f11,plain,
    ! [X2,X0] :
      ( element(X2,sK0(X0))
      | element(X2,X0) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f20,plain,
    ~ element(sK0(sK1),sK1),
    inference(resolution,[],[f19,f12]) ).

fof(f12,plain,
    ! [X2,X0] :
      ( ~ element(X2,sK0(X0))
      | ~ element(X2,X0) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f19,plain,
    element(sK0(sK1),sK0(sK1)),
    inference(resolution,[],[f18,f10]) ).

fof(f10,plain,
    ! [X4] :
      ( ~ element(X4,sK1)
      | element(X4,X4) ),
    inference(cnf_transformation,[],[f8]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SET044+1 : TPTP v8.1.0. Released v2.0.0.
% 0.11/0.13  % 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 : n025.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 13:10:59 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.19/0.49  % (20718)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/37Mi)
% 0.19/0.49  % (20720)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.19/0.49  % (20739)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 (3000ds/498Mi)
% 0.19/0.50  % (20726)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/50Mi)
% 0.19/0.50  % (20727)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/100Mi)
% 0.19/0.50  % (20718)First to succeed.
% 0.19/0.50  % (20732)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 (3000ds/99Mi)
% 0.19/0.50  % (20727)Also succeeded, but the first one will report.
% 0.19/0.50  % (20718)Refutation found. Thanks to Tanya!
% 0.19/0.50  % SZS status Theorem for theBenchmark
% 0.19/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.50  % (20718)------------------------------
% 0.19/0.50  % (20718)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.50  % (20718)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.50  % (20718)Termination reason: Refutation
% 0.19/0.50  
% 0.19/0.50  % (20718)Memory used [KB]: 895
% 0.19/0.50  % (20718)Time elapsed: 0.102 s
% 0.19/0.50  % (20718)Instructions burned: 1 (million)
% 0.19/0.50  % (20718)------------------------------
% 0.19/0.50  % (20718)------------------------------
% 0.19/0.50  % (20712)Success in time 0.16 s
%------------------------------------------------------------------------------