TSTP Solution File: SET091+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET091+1 : TPTP v8.1.0. Bugfixed v7.3.0.
% 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 : n001.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 18:23:38 EDT 2022

% Result   : Theorem 1.29s 0.52s
% Output   : Refutation 1.29s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   26 (  10 unt;   0 def)
%            Number of atoms       :   61 (  47 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   65 (  30   ~;  15   |;  16   &)
%                                         (   0 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   31 (  22   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f326,plain,
    $false,
    inference(subsumption_resolution,[],[f325,f306]) ).

fof(f306,plain,
    sK2 != sF8,
    inference(definition_folding,[],[f264,f305]) ).

fof(f305,plain,
    member_of(sK2) = sF8,
    introduced(function_definition,[]) ).

fof(f264,plain,
    sK2 != member_of(sK2),
    inference(definition_unfolding,[],[f171,f170]) ).

fof(f170,plain,
    sK1 = sK2,
    inference(cnf_transformation,[],[f101]) ).

fof(f101,plain,
    ( ! [X2] :
        ( singleton(X2) != sK1
        | ~ member(X2,universal_class) )
    & sK2 != member_of(sK1)
    & sK1 = sK2 ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2])],[f87,f100]) ).

fof(f100,plain,
    ( ? [X0,X1] :
        ( ! [X2] :
            ( singleton(X2) != X0
            | ~ member(X2,universal_class) )
        & member_of(X0) != X1
        & X0 = X1 )
   => ( ! [X2] :
          ( singleton(X2) != sK1
          | ~ member(X2,universal_class) )
      & sK2 != member_of(sK1)
      & sK1 = sK2 ) ),
    introduced(choice_axiom,[]) ).

fof(f87,plain,
    ? [X0,X1] :
      ( ! [X2] :
          ( singleton(X2) != X0
          | ~ member(X2,universal_class) )
      & member_of(X0) != X1
      & X0 = X1 ),
    inference(flattening,[],[f86]) ).

fof(f86,plain,
    ? [X0,X1] :
      ( member_of(X0) != X1
      & ! [X2] :
          ( singleton(X2) != X0
          | ~ member(X2,universal_class) )
      & X0 = X1 ),
    inference(ennf_transformation,[],[f57]) ).

fof(f57,plain,
    ~ ! [X0,X1] :
        ( ( ~ ? [X2] :
                ( singleton(X2) = X0
                & member(X2,universal_class) )
          & X0 = X1 )
       => member_of(X0) = X1 ),
    inference(rectify,[],[f49]) ).

fof(f49,negated_conjecture,
    ~ ! [X0,X2] :
        ( ( X0 = X2
          & ~ ? [X1] :
                ( member(X1,universal_class)
                & singleton(X1) = X0 ) )
       => member_of(X0) = X2 ),
    inference(negated_conjecture,[],[f48]) ).

fof(f48,conjecture,
    ! [X0,X2] :
      ( ( X0 = X2
        & ~ ? [X1] :
              ( member(X1,universal_class)
              & singleton(X1) = X0 ) )
     => member_of(X0) = X2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_when_not_a_singleton) ).

fof(f171,plain,
    sK2 != member_of(sK1),
    inference(cnf_transformation,[],[f101]) ).

fof(f325,plain,
    sK2 = sF8,
    inference(backward_demodulation,[],[f305,f324]) ).

fof(f324,plain,
    sK2 = member_of(sK2),
    inference(equality_resolution,[],[f315]) ).

fof(f315,plain,
    ! [X0] :
      ( sK2 != X0
      | member_of(X0) = X0 ),
    inference(subsumption_resolution,[],[f314,f165]) ).

fof(f165,plain,
    ! [X0] :
      ( member(member_of(X0),universal_class)
      | member_of(X0) = X0 ),
    inference(cnf_transformation,[],[f46]) ).

fof(f46,axiom,
    ! [X0] :
      ( member(member_of(X0),universal_class)
      | member_of(X0) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_universal_self) ).

fof(f314,plain,
    ! [X0] :
      ( member_of(X0) = X0
      | ~ member(member_of(X0),universal_class)
      | sK2 != X0 ),
    inference(superposition,[],[f263,f265]) ).

fof(f265,plain,
    ! [X0] :
      ( unordered_pair(member_of(X0),member_of(X0)) = X0
      | member_of(X0) = X0 ),
    inference(definition_unfolding,[],[f174,f164]) ).

fof(f164,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[],[f6]) ).

fof(f6,axiom,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set_defn) ).

fof(f174,plain,
    ! [X0] :
      ( member_of(X0) = X0
      | singleton(member_of(X0)) = X0 ),
    inference(cnf_transformation,[],[f47]) ).

fof(f47,axiom,
    ! [X0] :
      ( member_of(X0) = X0
      | singleton(member_of(X0)) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_self) ).

fof(f263,plain,
    ! [X2] :
      ( sK2 != unordered_pair(X2,X2)
      | ~ member(X2,universal_class) ),
    inference(definition_unfolding,[],[f172,f164,f170]) ).

fof(f172,plain,
    ! [X2] :
      ( singleton(X2) != sK1
      | ~ member(X2,universal_class) ),
    inference(cnf_transformation,[],[f101]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem    : SET091+1 : TPTP v8.1.0. Bugfixed v7.3.0.
% 0.06/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.34  % Computer : n001.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Tue Aug 30 13:35:31 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.19/0.50  % (20464)ott+4_1:1_av=off:bd=off:nwc=5.0:rp=on:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.50  % (20448)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.51  % (20456)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.29/0.51  % (20448)First to succeed.
% 1.29/0.51  % (20447)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.29/0.52  % (20446)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 (2999ds/37Mi)
% 1.29/0.52  % (20448)Refutation found. Thanks to Tanya!
% 1.29/0.52  % SZS status Theorem for theBenchmark
% 1.29/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 1.29/0.52  % (20448)------------------------------
% 1.29/0.52  % (20448)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.29/0.52  % (20448)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.29/0.52  % (20448)Termination reason: Refutation
% 1.29/0.52  
% 1.29/0.52  % (20448)Memory used [KB]: 5628
% 1.29/0.52  % (20448)Time elapsed: 0.117 s
% 1.29/0.52  % (20448)Instructions burned: 10 (million)
% 1.29/0.52  % (20448)------------------------------
% 1.29/0.52  % (20448)------------------------------
% 1.29/0.52  % (20438)Success in time 0.173 s
%------------------------------------------------------------------------------