TSTP Solution File: SET080-6 by SnakeForV---1.0

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%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SET080-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 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 : n007.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 18:18:59 EDT 2022

% Result   : Unsatisfiable 0.21s 0.51s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   27 (  10 unt;   0 def)
%            Number of atoms       :   47 (  16 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   37 (  17   ~;  18   |;   0   &)
%                                         (   2 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   3 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   11 (  11   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f335,plain,
    $false,
    inference(avatar_sat_refutation,[],[f313,f323,f334]) ).

fof(f334,plain,
    ~ spl1_16,
    inference(avatar_contradiction_clause,[],[f333]) ).

fof(f333,plain,
    ( $false
    | ~ spl1_16 ),
    inference(subsumption_resolution,[],[f327,f155]) ).

fof(f155,plain,
    ~ member(null_class,universal_class),
    inference(subsumption_resolution,[],[f154,f146]) ).

fof(f146,plain,
    ~ member(null_class,sF0),
    inference(definition_folding,[],[f132,f145]) ).

fof(f145,plain,
    unordered_pair(null_class,null_class) = sF0,
    introduced(function_definition,[]) ).

fof(f132,plain,
    ~ member(null_class,unordered_pair(null_class,null_class)),
    inference(definition_unfolding,[],[f92,f12]) ).

fof(f12,axiom,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set) ).

fof(f92,axiom,
    ~ member(null_class,singleton(null_class)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_null_class_in_its_singleton_1) ).

fof(f154,plain,
    ( ~ member(null_class,universal_class)
    | member(null_class,sF0) ),
    inference(superposition,[],[f9,f145]) ).

fof(f9,axiom,
    ! [X0,X1] :
      ( member(X0,unordered_pair(X0,X1))
      | ~ member(X0,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair2) ).

fof(f327,plain,
    ( member(null_class,universal_class)
    | ~ spl1_16 ),
    inference(backward_demodulation,[],[f148,f312]) ).

fof(f312,plain,
    ( null_class = sF0
    | ~ spl1_16 ),
    inference(avatar_component_clause,[],[f310]) ).

fof(f310,plain,
    ( spl1_16
  <=> null_class = sF0 ),
    introduced(avatar_definition,[new_symbols(naming,[spl1_16])]) ).

fof(f148,plain,
    member(sF0,universal_class),
    inference(superposition,[],[f11,f145]) ).

fof(f11,axiom,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pairs_in_universal) ).

fof(f323,plain,
    ( spl1_16
    | ~ spl1_15 ),
    inference(avatar_split_clause,[],[f322,f306,f310]) ).

fof(f306,plain,
    ( spl1_15
  <=> null_class = regular(sF0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl1_15])]) ).

fof(f322,plain,
    ( null_class = sF0
    | ~ spl1_15 ),
    inference(subsumption_resolution,[],[f316,f146]) ).

fof(f316,plain,
    ( member(null_class,sF0)
    | null_class = sF0
    | ~ spl1_15 ),
    inference(superposition,[],[f66,f308]) ).

fof(f308,plain,
    ( null_class = regular(sF0)
    | ~ spl1_15 ),
    inference(avatar_component_clause,[],[f306]) ).

fof(f66,axiom,
    ! [X0] :
      ( member(regular(X0),X0)
      | null_class = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',regularity1) ).

fof(f313,plain,
    ( spl1_15
    | spl1_16 ),
    inference(avatar_split_clause,[],[f303,f310,f306]) ).

fof(f303,plain,
    ( null_class = sF0
    | null_class = regular(sF0) ),
    inference(resolution,[],[f255,f66]) ).

fof(f255,plain,
    ! [X0] :
      ( ~ member(X0,sF0)
      | null_class = X0 ),
    inference(duplicate_literal_removal,[],[f254]) ).

fof(f254,plain,
    ! [X0] :
      ( null_class = X0
      | null_class = X0
      | ~ member(X0,sF0) ),
    inference(superposition,[],[f8,f145]) ).

fof(f8,axiom,
    ! [X2,X0,X1] :
      ( ~ member(X2,unordered_pair(X0,X1))
      | X1 = X2
      | X0 = X2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_member) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SET080-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 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 : n007.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 12:56:16 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.21/0.50  % (20110)lrs+10_1:1_kws=precedence:lwlo=on:tgt=ground:i=99966:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99966Mi)
% 0.21/0.51  % (20110)First to succeed.
% 0.21/0.51  % (20133)lrs+1011_1:1_aac=none:bsr=unit_only:ep=R:sac=on:sos=all:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.21/0.51  % (20110)Refutation found. Thanks to Tanya!
% 0.21/0.51  % SZS status Unsatisfiable for theBenchmark
% 0.21/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.51  % (20110)------------------------------
% 0.21/0.51  % (20110)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.51  % (20110)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.51  % (20110)Termination reason: Refutation
% 0.21/0.51  
% 0.21/0.51  % (20110)Memory used [KB]: 6524
% 0.21/0.51  % (20110)Time elapsed: 0.088 s
% 0.21/0.51  % (20110)Instructions burned: 19 (million)
% 0.21/0.51  % (20110)------------------------------
% 0.21/0.51  % (20110)------------------------------
% 0.21/0.51  % (20109)Success in time 0.16 s
%------------------------------------------------------------------------------