TSTP Solution File: SEU148+3 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SEU148+3 : TPTP v8.1.0. Released v3.2.0.
% 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 : n006.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 18:32:09 EDT 2022

% Result   : Theorem 0.19s 0.47s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   31 (   9 unt;   0 def)
%            Number of atoms       :   99 (  59 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  110 (  42   ~;  38   |;  20   &)
%                                         (   5 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   53 (  44   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f68,plain,
    $false,
    inference(subsumption_resolution,[],[f66,f30]) ).

fof(f30,plain,
    sK1 != sK0,
    inference(cnf_transformation,[],[f18]) ).

fof(f18,plain,
    ( sK1 != sK0
    & subset(singleton(sK0),singleton(sK1)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f16,f17]) ).

fof(f17,plain,
    ( ? [X0,X1] :
        ( X0 != X1
        & subset(singleton(X0),singleton(X1)) )
   => ( sK1 != sK0
      & subset(singleton(sK0),singleton(sK1)) ) ),
    introduced(choice_axiom,[]) ).

fof(f16,plain,
    ? [X0,X1] :
      ( X0 != X1
      & subset(singleton(X0),singleton(X1)) ),
    inference(rectify,[],[f14]) ).

fof(f14,plain,
    ? [X1,X0] :
      ( X0 != X1
      & subset(singleton(X1),singleton(X0)) ),
    inference(ennf_transformation,[],[f13]) ).

fof(f13,plain,
    ~ ! [X1,X0] :
        ( subset(singleton(X1),singleton(X0))
       => X0 = X1 ),
    inference(rectify,[],[f10]) ).

fof(f10,negated_conjecture,
    ~ ! [X1,X0] :
        ( subset(singleton(X0),singleton(X1))
       => X0 = X1 ),
    inference(negated_conjecture,[],[f9]) ).

fof(f9,conjecture,
    ! [X1,X0] :
      ( subset(singleton(X0),singleton(X1))
     => X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_zfmisc_1) ).

fof(f66,plain,
    sK1 = sK0,
    inference(resolution,[],[f62,f44]) ).

fof(f44,plain,
    ! [X3,X1] :
      ( ~ in(X3,singleton(X1))
      | X1 = X3 ),
    inference(equality_resolution,[],[f35]) ).

fof(f35,plain,
    ! [X3,X0,X1] :
      ( X1 = X3
      | ~ in(X3,X0)
      | singleton(X1) != X0 ),
    inference(cnf_transformation,[],[f24]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ( singleton(X1) = X0
        | ( ( ~ in(sK3(X0,X1),X0)
            | sK3(X0,X1) != X1 )
          & ( in(sK3(X0,X1),X0)
            | sK3(X0,X1) = X1 ) ) )
      & ( ! [X3] :
            ( ( X1 = X3
              | ~ in(X3,X0) )
            & ( in(X3,X0)
              | X1 != X3 ) )
        | singleton(X1) != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f22,f23]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ~ in(X2,X0)
            | X1 != X2 )
          & ( in(X2,X0)
            | X1 = X2 ) )
     => ( ( ~ in(sK3(X0,X1),X0)
          | sK3(X0,X1) != X1 )
        & ( in(sK3(X0,X1),X0)
          | sK3(X0,X1) = X1 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    ! [X0,X1] :
      ( ( singleton(X1) = X0
        | ? [X2] :
            ( ( ~ in(X2,X0)
              | X1 != X2 )
            & ( in(X2,X0)
              | X1 = X2 ) ) )
      & ( ! [X3] :
            ( ( X1 = X3
              | ~ in(X3,X0) )
            & ( in(X3,X0)
              | X1 != X3 ) )
        | singleton(X1) != X0 ) ),
    inference(rectify,[],[f21]) ).

fof(f21,plain,
    ! [X0,X1] :
      ( ( singleton(X1) = X0
        | ? [X2] :
            ( ( ~ in(X2,X0)
              | X1 != X2 )
            & ( in(X2,X0)
              | X1 = X2 ) ) )
      & ( ! [X2] :
            ( ( X1 = X2
              | ~ in(X2,X0) )
            & ( in(X2,X0)
              | X1 != X2 ) )
        | singleton(X1) != X0 ) ),
    inference(nnf_transformation,[],[f12]) ).

fof(f12,plain,
    ! [X0,X1] :
      ( singleton(X1) = X0
    <=> ! [X2] :
          ( X1 = X2
        <=> in(X2,X0) ) ),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X0] :
      ( ! [X2] :
          ( X0 = X2
        <=> in(X2,X1) )
    <=> singleton(X0) = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_tarski) ).

fof(f62,plain,
    in(sK1,singleton(sK0)),
    inference(superposition,[],[f46,f54]) ).

fof(f54,plain,
    singleton(sK0) = singleton(sK1),
    inference(subsumption_resolution,[],[f53,f33]) ).

fof(f33,plain,
    ! [X0] : singleton(X0) != empty_set,
    inference(cnf_transformation,[],[f4]) ).

fof(f4,axiom,
    ! [X0] : singleton(X0) != empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

fof(f53,plain,
    ( empty_set = singleton(sK0)
    | singleton(sK0) = singleton(sK1) ),
    inference(resolution,[],[f40,f29]) ).

fof(f29,plain,
    subset(singleton(sK0),singleton(sK1)),
    inference(cnf_transformation,[],[f18]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( ~ subset(X0,singleton(X1))
      | empty_set = X0
      | singleton(X1) = X0 ),
    inference(cnf_transformation,[],[f26]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( ( subset(X0,singleton(X1))
        | ( singleton(X1) != X0
          & empty_set != X0 ) )
      & ( singleton(X1) = X0
        | empty_set = X0
        | ~ subset(X0,singleton(X1)) ) ),
    inference(flattening,[],[f25]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( ( subset(X0,singleton(X1))
        | ( singleton(X1) != X0
          & empty_set != X0 ) )
      & ( singleton(X1) = X0
        | empty_set = X0
        | ~ subset(X0,singleton(X1)) ) ),
    inference(nnf_transformation,[],[f5]) ).

fof(f5,axiom,
    ! [X0,X1] :
      ( subset(X0,singleton(X1))
    <=> ( singleton(X1) = X0
        | empty_set = X0 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_zfmisc_1) ).

fof(f46,plain,
    ! [X3] : in(X3,singleton(X3)),
    inference(equality_resolution,[],[f45]) ).

fof(f45,plain,
    ! [X3,X0] :
      ( in(X3,X0)
      | singleton(X3) != X0 ),
    inference(equality_resolution,[],[f34]) ).

fof(f34,plain,
    ! [X3,X0,X1] :
      ( in(X3,X0)
      | X1 != X3
      | singleton(X1) != X0 ),
    inference(cnf_transformation,[],[f24]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SEU148+3 : TPTP v8.1.0. Released v3.2.0.
% 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
% 0.13/0.34  % Computer : n006.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 14:44:55 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.46  % (16965)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 0.19/0.46  % (16956)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.19/0.47  % (16947)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.19/0.47  % (16956)First to succeed.
% 0.19/0.47  % (16956)Refutation found. Thanks to Tanya!
% 0.19/0.47  % SZS status Theorem for theBenchmark
% 0.19/0.47  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.47  % (16956)------------------------------
% 0.19/0.47  % (16956)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.47  % (16956)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.47  % (16956)Termination reason: Refutation
% 0.19/0.47  
% 0.19/0.47  % (16956)Memory used [KB]: 5373
% 0.19/0.47  % (16956)Time elapsed: 0.081 s
% 0.19/0.47  % (16956)Instructions burned: 3 (million)
% 0.19/0.47  % (16956)------------------------------
% 0.19/0.47  % (16956)------------------------------
% 0.19/0.47  % (16929)Success in time 0.125 s
%------------------------------------------------------------------------------