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Vampire---5.0.1.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SET156-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM

% Computer : n012.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Sep 29 12:40:19 PM UTC 2026

% Result   : Unsatisfiable 0.61s 0.83s
% Output   : Refutation 2.31s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   25
% Syntax   : Number of formulae    :  104 (  13 unt;  13 def)
%            Number of atoms       :  228 (   5 equ)
%            Maximal formula atoms :    3 (   2 avg)
%            Number of connectives :  226 ( 102   ~; 111   |;   0   &)
%                                         (  13 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :   17 (  15 usr;  13 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-2 aty)
%            Number of variables   :   33 (   0 sgn  33   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X2,X0,X1] :
      ( ~ subclass(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_members) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | member(not_subclass_element(X0,X1),X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_subclass_members1) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | ~ member(not_subclass_element(X0,X1),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_subclass_members2) ).

fof(f4,axiom,
    ! [X0] : subclass(X0,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',class_elements_are_sets) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( ~ subclass(X0,X1)
      | ~ subclass(X1,X0)
      | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_implies_equal) ).

fof(f21,axiom,
    ! [X2,X0,X1] :
      ( ~ member(X0,intersection(X1,X2))
      | member(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection1) ).

fof(f22,axiom,
    ! [X2,X0,X1] :
      ( ~ member(X0,intersection(X1,X2))
      | member(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection2) ).

fof(f23,axiom,
    ! [X2,X0,X1] :
      ( member(X0,intersection(X1,X2))
      | ~ member(X0,X2)
      | ~ member(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection3) ).

fof(f24,axiom,
    ! [X0,X1] :
      ( ~ member(X0,complement(X1))
      | ~ member(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',complement1) ).

fof(f25,axiom,
    ! [X0,X1] :
      ( member(X0,complement(X1))
      | ~ member(X0,universal_class)
      | member(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',complement2) ).

fof(f26,axiom,
    ! [X0,X1] : complement(intersection(complement(X0),complement(X1))) = union(X0,X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',union) ).

fof(f122,negated_conjecture,
    complement(intersection(x,y)) != union(complement(x),complement(y)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_demorgans_law2_1) ).

fof(f136,plain,
    complement(intersection(x,y)) != complement(intersection(complement(complement(x)),complement(complement(y)))),
    inference(definition_unfolding,[],[f122,f26]) ).

fof(f180,definition,
    ! [X0,X1] :
      ( sQ0_eqProxy(X0,X1)
    <=> X0 = X1 ),
    introduced(definition,[new_symbols(definition,[sQ0_eqProxy])],[equality_proxy_definition]) ).

fof(f181,plain,
    ~ sQ0_eqProxy(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),
    inference(equality_proxy_replacement,[],[f136,f180]) ).

fof(f182,plain,
    ! [X0,X1] :
      ( sQ0_eqProxy(X0,X1)
      | ~ subclass(X1,X0)
      | ~ subclass(X0,X1) ),
    inference(equality_proxy_replacement,[],[f7,f180]) ).

fof(f207,plain,
    ! [X0,X1] :
      ( member(X0,universal_class)
      | ~ member(X0,X1) ),
    inference(resolution,[],[f1,f4]) ).

fof(f215,plain,
    ( ~ subclass(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y)))
    | ~ subclass(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))) ),
    inference(resolution,[],[f182,f181]) ).

fof(f218,definition,
    ( spl1_1
  <=> subclass(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))) ),
    introduced(definition,[new_symbols(definition,[spl1_1])],[avatar_definition]) ).

fof(f219,plain,
    ( ~ subclass(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y)))
    | spl1_1 ),
    inference(avatar_component_clause,[],[f218]) ).

fof(f221,definition,
    ( spl1_2
  <=> subclass(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))) ),
    introduced(definition,[new_symbols(definition,[spl1_2])],[avatar_definition]) ).

fof(f222,plain,
    ( ~ subclass(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y)))))
    | spl1_2 ),
    inference(avatar_component_clause,[],[f221]) ).

fof(f224,plain,
    ( ~ spl1_2
    | ~ spl1_1 ),
    inference(avatar_split_clause,[],[f215,f218,f221]) ).

fof(f226,plain,
    ( member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(intersection(complement(complement(x)),complement(complement(y)))))
    | spl1_1 ),
    inference(resolution,[],[f219,f2]) ).

fof(f231,definition,
    ( spl1_3
  <=> member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),intersection(x,y)) ),
    introduced(definition,[new_symbols(definition,[spl1_3])],[avatar_definition]) ).

fof(f232,plain,
    ( member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),intersection(x,y))
    | ~ spl1_3 ),
    inference(avatar_component_clause,[],[f231]) ).

fof(f234,definition,
    ( spl1_4
  <=> member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),universal_class) ),
    introduced(definition,[new_symbols(definition,[spl1_4])],[avatar_definition]) ).

fof(f235,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),universal_class)
    | spl1_4 ),
    inference(avatar_component_clause,[],[f234]) ).

fof(f237,plain,
    ( ! [X0] : ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),X0)
    | spl1_4 ),
    inference(resolution,[],[f235,f207]) ).

fof(f238,plain,
    ( $false
    | spl1_1
    | spl1_4 ),
    inference(resolution,[],[f237,f226]) ).

fof(f245,plain,
    ( spl1_1
    | spl1_4 ),
    inference(avatar_contradiction_clause,[],[f238]) ).

fof(f246,plain,
    ( member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),y)
    | ~ spl1_3 ),
    inference(resolution,[],[f232,f22]) ).

fof(f247,plain,
    ( member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),x)
    | ~ spl1_3 ),
    inference(resolution,[],[f232,f21]) ).

fof(f254,definition,
    ( spl1_5
  <=> member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(complement(x))) ),
    introduced(definition,[new_symbols(definition,[spl1_5])],[avatar_definition]) ).

fof(f255,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(complement(x)))
    | spl1_5 ),
    inference(avatar_component_clause,[],[f254]) ).

fof(f257,definition,
    ( spl1_6
  <=> member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(complement(y))) ),
    introduced(definition,[new_symbols(definition,[spl1_6])],[avatar_definition]) ).

fof(f258,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(complement(y)))
    | spl1_6 ),
    inference(avatar_component_clause,[],[f257]) ).

fof(f260,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),universal_class)
    | member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(x))
    | spl1_5 ),
    inference(resolution,[],[f255,f25]) ).

fof(f262,definition,
    ( spl1_7
  <=> member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(x)) ),
    introduced(definition,[new_symbols(definition,[spl1_7])],[avatar_definition]) ).

fof(f263,plain,
    ( member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(x))
    | ~ spl1_7 ),
    inference(avatar_component_clause,[],[f262]) ).

fof(f264,plain,
    ( spl1_7
    | ~ spl1_4
    | spl1_5 ),
    inference(avatar_split_clause,[],[f260,f254,f234,f262]) ).

fof(f265,plain,
    ( ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),complement(intersection(complement(complement(x)),complement(complement(y)))))
    | spl1_2 ),
    inference(resolution,[],[f222,f3]) ).

fof(f266,plain,
    ( member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),complement(intersection(x,y)))
    | spl1_2 ),
    inference(resolution,[],[f222,f2]) ).

fof(f267,plain,
    ( ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),intersection(x,y))
    | spl1_2 ),
    inference(resolution,[],[f266,f24]) ).

fof(f269,plain,
    ( ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),universal_class)
    | member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),intersection(complement(complement(x)),complement(complement(y))))
    | spl1_2 ),
    inference(resolution,[],[f265,f25]) ).

fof(f271,definition,
    ( spl1_8
  <=> member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),intersection(complement(complement(x)),complement(complement(y)))) ),
    introduced(definition,[new_symbols(definition,[spl1_8])],[avatar_definition]) ).

fof(f272,plain,
    ( member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),intersection(complement(complement(x)),complement(complement(y))))
    | ~ spl1_8 ),
    inference(avatar_component_clause,[],[f271]) ).

fof(f274,definition,
    ( spl1_9
  <=> member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),universal_class) ),
    introduced(definition,[new_symbols(definition,[spl1_9])],[avatar_definition]) ).

fof(f275,plain,
    ( ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),universal_class)
    | spl1_9 ),
    inference(avatar_component_clause,[],[f274]) ).

fof(f276,plain,
    ( spl1_8
    | ~ spl1_9
    | spl1_2 ),
    inference(avatar_split_clause,[],[f269,f221,f274,f271]) ).

fof(f277,plain,
    ( ! [X0] : ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),X0)
    | spl1_9 ),
    inference(resolution,[],[f275,f207]) ).

fof(f278,plain,
    ( ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),y)
    | ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),x)
    | spl1_2 ),
    inference(resolution,[],[f267,f23]) ).

fof(f280,definition,
    ( spl1_10
  <=> member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),x) ),
    introduced(definition,[new_symbols(definition,[spl1_10])],[avatar_definition]) ).

fof(f283,definition,
    ( spl1_11
  <=> member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),y) ),
    introduced(definition,[new_symbols(definition,[spl1_11])],[avatar_definition]) ).

fof(f285,plain,
    ( ~ spl1_10
    | ~ spl1_11
    | spl1_2 ),
    inference(avatar_split_clause,[],[f278,f221,f283,f280]) ).

fof(f299,plain,
    ( $false
    | spl1_2
    | spl1_9 ),
    inference(resolution,[],[f277,f266]) ).

fof(f307,plain,
    ( spl1_2
    | spl1_9 ),
    inference(avatar_contradiction_clause,[],[f299]) ).

fof(f308,plain,
    ( member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),complement(complement(y)))
    | ~ spl1_8 ),
    inference(resolution,[],[f272,f22]) ).

fof(f309,plain,
    ( member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),complement(complement(x)))
    | ~ spl1_8 ),
    inference(resolution,[],[f272,f21]) ).

fof(f310,plain,
    ( ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),complement(y))
    | ~ spl1_8 ),
    inference(resolution,[],[f308,f24]) ).

fof(f311,plain,
    ( ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),universal_class)
    | member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),y)
    | ~ spl1_8 ),
    inference(resolution,[],[f310,f25]) ).

fof(f313,plain,
    ( spl1_11
    | ~ spl1_9
    | ~ spl1_8 ),
    inference(avatar_split_clause,[],[f311,f271,f274,f283]) ).

fof(f314,plain,
    ( ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),complement(x))
    | ~ spl1_8 ),
    inference(resolution,[],[f309,f24]) ).

fof(f315,plain,
    ( ~ member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),universal_class)
    | member(not_subclass_element(complement(intersection(x,y)),complement(intersection(complement(complement(x)),complement(complement(y))))),x)
    | ~ spl1_8 ),
    inference(resolution,[],[f314,f25]) ).

fof(f317,plain,
    ( spl1_10
    | ~ spl1_9
    | ~ spl1_8 ),
    inference(avatar_split_clause,[],[f315,f271,f274,f280]) ).

fof(f318,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(intersection(x,y)))
    | spl1_1 ),
    inference(resolution,[],[f219,f3]) ).

fof(f319,plain,
    ( member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(intersection(complement(complement(x)),complement(complement(y)))))
    | spl1_1 ),
    inference(resolution,[],[f219,f2]) ).

fof(f320,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),universal_class)
    | member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),intersection(x,y))
    | spl1_1 ),
    inference(resolution,[],[f318,f25]) ).

fof(f321,plain,
    ( spl1_3
    | ~ spl1_4
    | spl1_1 ),
    inference(avatar_split_clause,[],[f320,f218,f234,f231]) ).

fof(f323,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),intersection(complement(complement(x)),complement(complement(y))))
    | spl1_1 ),
    inference(resolution,[],[f319,f24]) ).

fof(f326,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(complement(y)))
    | ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(complement(x)))
    | spl1_1 ),
    inference(resolution,[],[f323,f23]) ).

fof(f342,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),x)
    | ~ spl1_7 ),
    inference(resolution,[],[f263,f24]) ).

fof(f343,plain,
    ( $false
    | ~ spl1_3
    | ~ spl1_7 ),
    inference(resolution,[],[f342,f247]) ).

fof(f344,plain,
    ( ~ spl1_3
    | ~ spl1_7 ),
    inference(avatar_contradiction_clause,[],[f343]) ).

fof(f345,plain,
    ( ~ spl1_5
    | ~ spl1_6
    | spl1_1 ),
    inference(avatar_split_clause,[],[f326,f218,f257,f254]) ).

fof(f346,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),universal_class)
    | member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(y))
    | spl1_6 ),
    inference(resolution,[],[f258,f25]) ).

fof(f348,definition,
    ( spl1_12
  <=> member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(y)) ),
    introduced(definition,[new_symbols(definition,[spl1_12])],[avatar_definition]) ).

fof(f349,plain,
    ( member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),complement(y))
    | ~ spl1_12 ),
    inference(avatar_component_clause,[],[f348]) ).

fof(f350,plain,
    ( spl1_12
    | ~ spl1_4
    | spl1_6 ),
    inference(avatar_split_clause,[],[f346,f257,f234,f348]) ).

fof(f351,plain,
    ( ~ member(not_subclass_element(complement(intersection(complement(complement(x)),complement(complement(y)))),complement(intersection(x,y))),y)
    | ~ spl1_12 ),
    inference(resolution,[],[f349,f24]) ).

fof(f352,plain,
    ( $false
    | ~ spl1_3
    | ~ spl1_12 ),
    inference(resolution,[],[f351,f246]) ).

fof(f353,plain,
    ( ~ spl1_3
    | ~ spl1_12 ),
    inference(avatar_contradiction_clause,[],[f352]) ).

cnf(s2,plain,
    ( ~ spl1_1
    | ~ spl1_2 ),
    inference(sat_conversion,[],[f224]) ).

cnf(s4,plain,
    ( spl1_1
    | spl1_4 ),
    inference(sat_conversion,[],[f245]) ).

cnf(s6,plain,
    ( ~ spl1_4
    | spl1_5
    | spl1_7 ),
    inference(sat_conversion,[],[f264]) ).

cnf(s7,plain,
    ( spl1_2
    | spl1_8
    | ~ spl1_9 ),
    inference(sat_conversion,[],[f276]) ).

cnf(s8,plain,
    ( spl1_2
    | ~ spl1_10
    | ~ spl1_11 ),
    inference(sat_conversion,[],[f285]) ).

cnf(s12,plain,
    ( spl1_2
    | spl1_9 ),
    inference(sat_conversion,[],[f307]) ).

cnf(s13,plain,
    ( ~ spl1_8
    | ~ spl1_9
    | spl1_11 ),
    inference(sat_conversion,[],[f313]) ).

cnf(s14,plain,
    ( ~ spl1_8
    | ~ spl1_9
    | spl1_10 ),
    inference(sat_conversion,[],[f317]) ).

cnf(s15,plain,
    ( spl1_1
    | spl1_3
    | ~ spl1_4 ),
    inference(sat_conversion,[],[f321]) ).

cnf(s20,plain,
    ( ~ spl1_3
    | ~ spl1_7 ),
    inference(sat_conversion,[],[f344]) ).

cnf(s21,plain,
    ( spl1_1
    | ~ spl1_5
    | ~ spl1_6 ),
    inference(sat_conversion,[],[f345]) ).

cnf(s22,plain,
    ( ~ spl1_4
    | spl1_6
    | spl1_12 ),
    inference(sat_conversion,[],[f350]) ).

cnf(s23,plain,
    ( ~ spl1_3
    | ~ spl1_12 ),
    inference(sat_conversion,[],[f353]) ).

cnf(s24,plain,
    ( ~ spl1_4
    | spl1_1 ),
    inference(rat,[],[s21,s6,s22,s20,s23,s15]) ).

cnf(s25,plain,
    spl1_1,
    inference(rat,[],[s24,s4]) ).

cnf(s26,plain,
    ~ spl1_2,
    inference(rat,[],[s2,s25]) ).

cnf(s27,plain,
    spl1_9,
    inference(rat,[],[s12,s26]) ).

cnf(s28,plain,
    spl1_8,
    inference(rat,[],[s7,s27,s26]) ).

cnf(s29,plain,
    spl1_10,
    inference(rat,[],[s14,s27,s28]) ).

cnf(s30,plain,
    spl1_11,
    inference(rat,[],[s13,s27,s28]) ).

cnf(s31,plain,
    $false,
    inference(rat,[],[s8,s26,s30,s29]) ).

fof(f354,plain,
    $false,
    inference(avatar_sat_refutation,[],[s31]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01  % Problem  : SET156-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.03  % Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.03/0.32  % Computer : n012.cluster.edu
% 0.03/0.32  % Model    : x86_64 x86_64
% 0.03/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.03/0.32  % Memory   : 8046.5625MB
% 0.03/0.32  % OS       : Linux 6.8.0-71-generic
% 0.03/0.32  % CPULimit : 300
% 0.03/0.32  % WCLimit  : 300
% 0.03/0.32  % DateTime : Mon Sep 28 00:56:20 UTC 2026
% 0.03/0.32  % CPUTime  : 
% 0.03/0.32  Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.07/0.34  Running first-order theorem proving
% 0.07/0.34  Running: /export/starexec/sandbox2/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.61/0.83  % (2914801)Input is clausal, will run a generic CNF schedule.
% 0.61/0.83  % (2914807)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=2645580067:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 0.61/0.83  % (2914812)dis-21_1_sil=8000:lcm=predicate:random_seed=278181481:st=5:avsq=on:i=117:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/117Mi)
% 0.61/0.83  % (2914808)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=250762134:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 0.61/0.83  % (2914810)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=2784315063:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 0.61/0.83  % (2914811)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=462048339:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 0.61/0.83  % (2914809)lrs+10_1_sil=8000:sp=occurrence:random_seed=3652274616:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 0.61/0.83  % (2914806)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=full:npcc=on:drc=off:sp=weighted_frequency:spb=goal:fd=preordered:foolp=on:random_seed=2010930802:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 0.61/0.83  % (2914809)Refutation not found, incomplete strategy
% 0.61/0.83  % (2914809)------------------------------
% 0.61/0.83  % (2914809)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 0.61/0.83  % (2914809)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.61/0.83  % (2914809)CaDiCaL version: 2.1.3
% 0.61/0.83  % (2914809)Termination reason: Refutation not found, incomplete strategy
% 0.61/0.83  % (2914809)Time elapsed: 0.001 s
% 0.61/0.83  % (2914809)Peak memory usage: 87 MB
% 0.61/0.83  % (2914809)Instructions burned: 1 (million)
% 0.61/0.83  % (2914812)First to succeed.
% 0.61/0.83  % (2914812)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2914801"
% 0.61/0.83  % (2914810)Instruction limit reached! 
% 0.61/0.83  % (2914810)------------------------------
% 0.61/0.83  % (2914810)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 0.61/0.83  % (2914810)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.61/0.83  % (2914810)CaDiCaL version: 2.1.3
% 0.61/0.83  % (2914810)Termination reason: Instruction limit
% 0.61/0.83  % (2914810)Termination phase: Saturation
% 0.61/0.83  % (2914810)Time elapsed: 0.037 s
% 0.61/0.83  % (2914810)Peak memory usage: 88 MB
% 0.61/0.83  % (2914810)Instructions burned: 117 (million)
% 0.61/0.83  % (2914811)Instruction limit reached! 
% 0.61/0.83  % (2914811)------------------------------
% 0.61/0.83  % (2914811)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 0.61/0.83  % (2914811)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.61/0.83  % (2914811)CaDiCaL version: 2.1.3
% 0.61/0.83  % (2914811)Termination reason: Instruction limit
% 0.61/0.83  % (2914811)Termination phase: Saturation
% 0.61/0.83  % (2914811)Time elapsed: 0.073 s
% 0.61/0.83  % (2914811)Peak memory usage: 90 MB
% 0.61/0.83  % (2914811)Instructions burned: 182 (million)
% 0.61/0.83  % (2914809)------------------------------
% 0.61/0.83  % (2914809)------------------------------
% 0.61/0.83  % (2914820)dis+1010_3_sil=8000:plsq=on:drc=off:fde=none:plsqc=1:bsd=on:plsqr=7,2:sos=on:spb=goal_then_units:random_seed=2668181039:i=143:sd=2:aac=none:ss=axioms:sgt=16_2998 on theBenchmark for (2998ds/143Mi)
% 0.61/0.83  % (2914812)Refutation found. Thanks to Tanya!
% 0.61/0.83  % SZS status Unsatisfiable for theBenchmark
% 0.61/0.83  % SZS output start Proof for theBenchmark
% See solution above
% 2.31/0.93  % (2914812)------------------------------
% 2.31/0.93  % (2914812)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.31/0.93  % (2914812)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.31/0.93  % (2914812)CaDiCaL version: 2.1.3
% 2.31/0.93  % (2914812)Termination reason: Refutation
% 2.31/0.93  % (2914812)Time elapsed: 0.004 s
% 2.31/0.93  % (2914812)Peak memory usage: 89 MB
% 2.31/0.93  % (2914812)Instructions burned: 12 (million)
% 2.31/0.93  % (2914812)------------------------------
% 2.31/0.93  % (2914812)------------------------------
% 2.31/0.93  % (2914801)Success in time 0.295 s
% 2.31/0.93  % Vampire exiting
%------------------------------------------------------------------------------