TSTP Solution File: SET065+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SET065+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --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 18:18:52 EDT 2022

% Result   : Theorem 1.26s 0.52s
% Output   : Refutation 1.26s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   24 (   9 unt;   0 def)
%            Number of atoms       :   77 (   0 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :   82 (  29   ~;  23   |;  23   &)
%                                         (   3 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :   38 (  32   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f250,plain,
    $false,
    inference(unit_resulting_resolution,[],[f145,f242,f190]) ).

fof(f190,plain,
    ! [X0] :
      ( member(null_class,X0)
      | ~ inductive(X0) ),
    inference(cnf_transformation,[],[f123]) ).

fof(f123,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,[],[f122]) ).

fof(f122,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(f242,plain,
    ! [X0] : ~ member(null_class,X0),
    inference(unit_resulting_resolution,[],[f195,f196,f174]) ).

fof(f174,plain,
    ! [X3,X0,X1] :
      ( ~ subclass(X1,X0)
      | member(X3,X0)
      | ~ member(X3,X1) ),
    inference(cnf_transformation,[],[f112]) ).

fof(f112,plain,
    ! [X0,X1] :
      ( ( subclass(X1,X0)
        | ( ~ member(sK3(X0,X1),X0)
          & member(sK3(X0,X1),X1) ) )
      & ( ! [X3] :
            ( member(X3,X0)
            | ~ member(X3,X1) )
        | ~ subclass(X1,X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f110,f111]) ).

fof(f111,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X0)
          & member(X2,X1) )
     => ( ~ member(sK3(X0,X1),X0)
        & member(sK3(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f110,plain,
    ! [X0,X1] :
      ( ( subclass(X1,X0)
        | ? [X2] :
            ( ~ member(X2,X0)
            & member(X2,X1) ) )
      & ( ! [X3] :
            ( member(X3,X0)
            | ~ member(X3,X1) )
        | ~ subclass(X1,X0) ) ),
    inference(rectify,[],[f109]) ).

fof(f109,plain,
    ! [X1,X0] :
      ( ( subclass(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X2] :
            ( member(X2,X1)
            | ~ member(X2,X0) )
        | ~ subclass(X0,X1) ) ),
    inference(nnf_transformation,[],[f83]) ).

fof(f83,plain,
    ! [X1,X0] :
      ( subclass(X0,X1)
    <=> ! [X2] :
          ( member(X2,X1)
          | ~ member(X2,X0) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X1,X0] :
      ( ! [X2] :
          ( member(X2,X0)
         => member(X2,X1) )
    <=> subclass(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_defn) ).

fof(f196,plain,
    ~ member(null_class,universal_class),
    inference(cnf_transformation,[],[f46]) ).

fof(f46,plain,
    ~ member(null_class,universal_class),
    inference(flattening,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ member(null_class,universal_class),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    member(null_class,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_is_a_set) ).

fof(f195,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(f145,plain,
    inductive(sK0),
    inference(cnf_transformation,[],[f90]) ).

fof(f90,plain,
    ( ! [X1] :
        ( ~ inductive(X1)
        | subclass(sK0,X1) )
    & member(sK0,universal_class)
    & inductive(sK0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f84,f89]) ).

fof(f89,plain,
    ( ? [X0] :
        ( ! [X1] :
            ( ~ inductive(X1)
            | subclass(X0,X1) )
        & member(X0,universal_class)
        & inductive(X0) )
   => ( ! [X1] :
          ( ~ inductive(X1)
          | subclass(sK0,X1) )
      & member(sK0,universal_class)
      & inductive(sK0) ) ),
    introduced(choice_axiom,[]) ).

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

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SET065+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --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 13:05:10 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.51  % (23404)lrs+10_1:1_br=off:sos=on:ss=axioms:st=2.0:urr=on:i=33:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/33Mi)
% 0.19/0.51  % (23406)lrs+10_1:2_br=off:nm=4:ss=included:urr=on:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.51  % (23416)ott+21_1:1_erd=off:s2a=on:sac=on:sd=1:sgt=64:sos=on:ss=included:st=3.0:to=lpo:urr=on:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.51  % (23405)lrs+10_1:1_ep=R:lcm=predicate:lma=on:sos=all:spb=goal:ss=included:i=12:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/12Mi)
% 1.26/0.51  % (23405)Refutation not found, incomplete strategy% (23405)------------------------------
% 1.26/0.51  % (23405)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.26/0.51  % (23405)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.26/0.51  % (23405)Termination reason: Refutation not found, incomplete strategy
% 1.26/0.51  
% 1.26/0.51  % (23405)Memory used [KB]: 5884
% 1.26/0.51  % (23405)Time elapsed: 0.002 s
% 1.26/0.51  % (23405)Instructions burned: 1 (million)
% 1.26/0.51  % (23405)------------------------------
% 1.26/0.51  % (23405)------------------------------
% 1.26/0.51  % (23408)lrs+10_1:32_br=off:nm=16:sd=2:ss=axioms:st=2.0:urr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.26/0.52  % (23416)First to succeed.
% 1.26/0.52  % (23408)Refutation not found, incomplete strategy% (23408)------------------------------
% 1.26/0.52  % (23408)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.26/0.52  % (23408)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.26/0.52  % (23408)Termination reason: Refutation not found, incomplete strategy
% 1.26/0.52  
% 1.26/0.52  % (23408)Memory used [KB]: 6012
% 1.26/0.52  % (23408)Time elapsed: 0.117 s
% 1.26/0.52  % (23408)Instructions burned: 3 (million)
% 1.26/0.52  % (23408)------------------------------
% 1.26/0.52  % (23408)------------------------------
% 1.26/0.52  % (23397)dis+1002_1:1_aac=none:bd=off:sac=on:sos=on:spb=units:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 1.26/0.52  % (23416)Refutation found. Thanks to Tanya!
% 1.26/0.52  % SZS status Theorem for theBenchmark
% 1.26/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 1.26/0.52  % (23416)------------------------------
% 1.26/0.52  % (23416)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.26/0.52  % (23416)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.26/0.52  % (23416)Termination reason: Refutation
% 1.26/0.52  
% 1.26/0.52  % (23416)Memory used [KB]: 6140
% 1.26/0.52  % (23416)Time elapsed: 0.120 s
% 1.26/0.52  % (23416)Instructions burned: 7 (million)
% 1.26/0.52  % (23416)------------------------------
% 1.26/0.52  % (23416)------------------------------
% 1.26/0.52  % (23394)Success in time 0.176 s
%------------------------------------------------------------------------------