TSTP Solution File: SET025+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET025+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -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 : Tue Apr 30 15:05:04 EDT 2024

% Result   : Theorem 0.18s 0.37s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   27
% Syntax   : Number of formulae    :   74 (  38 unt;   0 def)
%            Number of atoms       :  159 (  18 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  126 (  41   ~;  38   |;  27   &)
%                                         (  14 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   18 (  16 usr;  13 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;   8 con; 0-2 aty)
%            Number of variables   :   67 (  55   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f324,plain,
    $false,
    inference(avatar_sat_refutation,[],[f271,f276,f281,f285,f289,f294,f298,f303,f308,f312,f316,f320,f323]) ).

fof(f323,plain,
    ( spl8_3
    | ~ spl8_11 ),
    inference(avatar_contradiction_clause,[],[f322]) ).

fof(f322,plain,
    ( $false
    | spl8_3
    | ~ spl8_11 ),
    inference(resolution,[],[f315,f280]) ).

fof(f280,plain,
    ( ~ member(unordered_pair(unordered_pair(sK0,sK0),unordered_pair(sK0,unordered_pair(sK1,sK1))),universal_class)
    | spl8_3 ),
    inference(avatar_component_clause,[],[f278]) ).

fof(f278,plain,
    ( spl8_3
  <=> member(unordered_pair(unordered_pair(sK0,sK0),unordered_pair(sK0,unordered_pair(sK1,sK1))),universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_3])]) ).

fof(f315,plain,
    ( ! [X0,X1] : member(unordered_pair(X0,X1),universal_class)
    | ~ spl8_11 ),
    inference(avatar_component_clause,[],[f314]) ).

fof(f314,plain,
    ( spl8_11
  <=> ! [X0,X1] : member(unordered_pair(X0,X1),universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_11])]) ).

fof(f320,plain,
    spl8_12,
    inference(avatar_split_clause,[],[f222,f318]) ).

fof(f318,plain,
    ( spl8_12
  <=> ! [X1] :
        ( subclass(sK7,X1)
        | ~ inductive(X1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_12])]) ).

fof(f222,plain,
    ! [X1] :
      ( subclass(sK7,X1)
      | ~ inductive(X1) ),
    inference(cnf_transformation,[],[f134]) ).

fof(f134,plain,
    ( ! [X1] :
        ( subclass(sK7,X1)
        | ~ inductive(X1) )
    & inductive(sK7)
    & member(sK7,universal_class) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7])],[f84,f133]) ).

fof(f133,plain,
    ( ? [X0] :
        ( ! [X1] :
            ( subclass(X0,X1)
            | ~ inductive(X1) )
        & inductive(X0)
        & member(X0,universal_class) )
   => ( ! [X1] :
          ( subclass(sK7,X1)
          | ~ inductive(X1) )
      & inductive(sK7)
      & member(sK7,universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f84,plain,
    ? [X0] :
      ( ! [X1] :
          ( subclass(X0,X1)
          | ~ inductive(X1) )
      & inductive(X0)
      & member(X0,universal_class) ),
    inference(ennf_transformation,[],[f30]) ).

fof(f30,axiom,
    ? [X0] :
      ( ! [X1] :
          ( inductive(X1)
         => subclass(X0,X1) )
      & inductive(X0)
      & member(X0,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',infinity) ).

fof(f316,plain,
    spl8_11,
    inference(avatar_split_clause,[],[f160,f314]) ).

fof(f160,plain,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    inference(cnf_transformation,[],[f5]) ).

fof(f5,axiom,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair) ).

fof(f312,plain,
    spl8_10,
    inference(avatar_split_clause,[],[f151,f310]) ).

fof(f310,plain,
    ( spl8_10
  <=> ! [X0] :
        ( member(null_class,X0)
        | ~ inductive(X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_10])]) ).

fof(f151,plain,
    ! [X0] :
      ( member(null_class,X0)
      | ~ inductive(X0) ),
    inference(cnf_transformation,[],[f90]) ).

fof(f90,plain,
    ! [X0] :
      ( ( inductive(X0)
        | ~ subclass(image(successor_relation,X0),X0)
        | ~ member(null_class,X0) )
      & ( ( subclass(image(successor_relation,X0),X0)
          & member(null_class,X0) )
        | ~ inductive(X0) ) ),
    inference(flattening,[],[f89]) ).

fof(f89,plain,
    ! [X0] :
      ( ( inductive(X0)
        | ~ subclass(image(successor_relation,X0),X0)
        | ~ member(null_class,X0) )
      & ( ( subclass(image(successor_relation,X0),X0)
          & member(null_class,X0) )
        | ~ inductive(X0) ) ),
    inference(nnf_transformation,[],[f29]) ).

fof(f29,axiom,
    ! [X0] :
      ( inductive(X0)
    <=> ( subclass(image(successor_relation,X0),X0)
        & member(null_class,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inductive_defn) ).

fof(f308,plain,
    spl8_9,
    inference(avatar_split_clause,[],[f137,f305]) ).

fof(f305,plain,
    ( spl8_9
  <=> subclass(successor_relation,cross_product(universal_class,universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_9])]) ).

fof(f137,plain,
    subclass(successor_relation,cross_product(universal_class,universal_class)),
    inference(cnf_transformation,[],[f24]) ).

fof(f24,axiom,
    subclass(successor_relation,cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',successor_relation_defn1) ).

fof(f303,plain,
    spl8_8,
    inference(avatar_split_clause,[],[f136,f300]) ).

fof(f300,plain,
    ( spl8_8
  <=> subclass(element_relation,cross_product(universal_class,universal_class)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_8])]) ).

fof(f136,plain,
    subclass(element_relation,cross_product(universal_class,universal_class)),
    inference(cnf_transformation,[],[f12]) ).

fof(f12,axiom,
    subclass(element_relation,cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_relation) ).

fof(f298,plain,
    spl8_7,
    inference(avatar_split_clause,[],[f262,f296]) ).

fof(f296,plain,
    ( spl8_7
  <=> ! [X1] : subclass(X1,X1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_7])]) ).

fof(f262,plain,
    ! [X1] : subclass(X1,X1),
    inference(equality_resolution,[],[f169]) ).

fof(f169,plain,
    ! [X0,X1] :
      ( subclass(X1,X0)
      | X0 != X1 ),
    inference(cnf_transformation,[],[f98]) ).

fof(f98,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subclass(X1,X0)
        | ~ subclass(X0,X1) )
      & ( ( subclass(X1,X0)
          & subclass(X0,X1) )
        | X0 != X1 ) ),
    inference(flattening,[],[f97]) ).

fof(f97,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subclass(X1,X0)
        | ~ subclass(X0,X1) )
      & ( ( subclass(X1,X0)
          & subclass(X0,X1) )
        | X0 != X1 ) ),
    inference(nnf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( X0 = X1
    <=> ( subclass(X1,X0)
        & subclass(X0,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',extensionality) ).

fof(f294,plain,
    spl8_6,
    inference(avatar_split_clause,[],[f220,f291]) ).

fof(f291,plain,
    ( spl8_6
  <=> member(sK7,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_6])]) ).

fof(f220,plain,
    member(sK7,universal_class),
    inference(cnf_transformation,[],[f134]) ).

fof(f289,plain,
    spl8_5,
    inference(avatar_split_clause,[],[f139,f287]) ).

fof(f287,plain,
    ( spl8_5
  <=> ! [X0] : subclass(X0,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_5])]) ).

fof(f139,plain,
    ! [X0] : subclass(X0,universal_class),
    inference(cnf_transformation,[],[f2]) ).

fof(f2,axiom,
    ! [X0] : subclass(X0,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',class_elements_are_sets) ).

fof(f285,plain,
    spl8_4,
    inference(avatar_split_clause,[],[f138,f283]) ).

fof(f283,plain,
    ( spl8_4
  <=> ! [X0] : ~ member(X0,null_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_4])]) ).

fof(f138,plain,
    ! [X0] : ~ member(X0,null_class),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,axiom,
    ! [X0] : ~ member(X0,null_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_defn) ).

fof(f281,plain,
    ~ spl8_3,
    inference(avatar_split_clause,[],[f228,f278]) ).

fof(f228,plain,
    ~ member(unordered_pair(unordered_pair(sK0,sK0),unordered_pair(sK0,unordered_pair(sK1,sK1))),universal_class),
    inference(definition_unfolding,[],[f135,f226]) ).

fof(f226,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(definition_unfolding,[],[f164,f141,f141]) ).

fof(f141,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(f164,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))),
    inference(cnf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair_defn) ).

fof(f135,plain,
    ~ member(ordered_pair(sK0,sK1),universal_class),
    inference(cnf_transformation,[],[f86]) ).

fof(f86,plain,
    ~ member(ordered_pair(sK0,sK1),universal_class),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f71,f85]) ).

fof(f85,plain,
    ( ? [X0,X1] : ~ member(ordered_pair(X0,X1),universal_class)
   => ~ member(ordered_pair(sK0,sK1),universal_class) ),
    introduced(choice_axiom,[]) ).

fof(f71,plain,
    ? [X0,X1] : ~ member(ordered_pair(X0,X1),universal_class),
    inference(ennf_transformation,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ ! [X0,X1] : member(ordered_pair(X0,X1),universal_class),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X0,X1] : member(ordered_pair(X0,X1),universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair_is_set) ).

fof(f276,plain,
    spl8_2,
    inference(avatar_split_clause,[],[f221,f273]) ).

fof(f273,plain,
    ( spl8_2
  <=> inductive(sK7) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_2])]) ).

fof(f221,plain,
    inductive(sK7),
    inference(cnf_transformation,[],[f134]) ).

fof(f271,plain,
    spl8_1,
    inference(avatar_split_clause,[],[f218,f268]) ).

fof(f268,plain,
    ( spl8_1
  <=> function(sK6) ),
    introduced(avatar_definition,[new_symbols(naming,[spl8_1])]) ).

fof(f218,plain,
    function(sK6),
    inference(cnf_transformation,[],[f132]) ).

fof(f132,plain,
    ( ! [X1] :
        ( member(apply(sK6,X1),X1)
        | null_class = X1
        | ~ member(X1,universal_class) )
    & function(sK6) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f83,f131]) ).

fof(f131,plain,
    ( ? [X0] :
        ( ! [X1] :
            ( member(apply(X0,X1),X1)
            | null_class = X1
            | ~ member(X1,universal_class) )
        & function(X0) )
   => ( ! [X1] :
          ( member(apply(sK6,X1),X1)
          | null_class = X1
          | ~ member(X1,universal_class) )
      & function(sK6) ) ),
    introduced(choice_axiom,[]) ).

fof(f83,plain,
    ? [X0] :
      ( ! [X1] :
          ( member(apply(X0,X1),X1)
          | null_class = X1
          | ~ member(X1,universal_class) )
      & function(X0) ),
    inference(flattening,[],[f82]) ).

fof(f82,plain,
    ? [X0] :
      ( ! [X1] :
          ( member(apply(X0,X1),X1)
          | null_class = X1
          | ~ member(X1,universal_class) )
      & function(X0) ),
    inference(ennf_transformation,[],[f69]) ).

fof(f69,plain,
    ? [X0] :
      ( ! [X1] :
          ( member(X1,universal_class)
         => ( member(apply(X0,X1),X1)
            | null_class = X1 ) )
      & function(X0) ),
    inference(rectify,[],[f43]) ).

fof(f43,axiom,
    ? [X8] :
      ( ! [X1] :
          ( member(X1,universal_class)
         => ( member(apply(X8,X1),X1)
            | null_class = X1 ) )
      & function(X8) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',choice) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SET025+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.11/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -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 Apr 30 01:14:33 EDT 2024
% 0.18/0.35  % CPUTime    : 
% 0.18/0.35  % (17791)Running in auto input_syntax mode. Trying TPTP
% 0.18/0.36  % (17797)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.18/0.36  % (17795)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.18/0.36  % (17794)WARNING: value z3 for option sas not known
% 0.18/0.36  % (17798)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.18/0.37  % (17796)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.18/0.37  % (17794)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.18/0.37  % (17793)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.18/0.37  % (17792)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.18/0.37  % (17796)First to succeed.
% 0.18/0.37  % (17796)Refutation found. Thanks to Tanya!
% 0.18/0.37  % SZS status Theorem for theBenchmark
% 0.18/0.37  % SZS output start Proof for theBenchmark
% See solution above
% 0.18/0.37  % (17796)------------------------------
% 0.18/0.37  % (17796)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.18/0.37  % (17796)Termination reason: Refutation
% 0.18/0.37  
% 0.18/0.37  % (17796)Memory used [KB]: 969
% 0.18/0.37  % (17796)Time elapsed: 0.007 s
% 0.18/0.37  % (17796)Instructions burned: 10 (million)
% 0.18/0.37  % (17796)------------------------------
% 0.18/0.37  % (17796)------------------------------
% 0.18/0.37  % (17791)Success in time 0.009 s
%------------------------------------------------------------------------------