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Vampire---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SEU261+1 : TPTP v9.3.1. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM

% Computer : n011.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 12:48:03 PM UTC 2026

% Result   : Theorem 2.79s 1.25s
% Output   : Refutation 3.37s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    8
% Syntax   : Number of formulae    :  101 (  19 unt;   5 def)
%            Number of atoms       :  433 (   0 equ)
%            Maximal formula atoms :   15 (   4 avg)
%            Number of connectives :  599 ( 267   ~; 254   |;  53   &)
%                                         (   7 <=>;  18  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   6 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :   15 (  14 usr;   6 prp; 0-3 aty)
%            Number of functors    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :   76 (   0 sgn  70   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0] :
      ( relation(X0)
     => ( well_ordering(X0)
      <=> ( reflexive(X0)
          & transitive(X0)
          & antisymmetric(X0)
          & connected(X0)
          & well_founded_relation(X0) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_wellord1) ).

fof(f3,axiom,
    ! [X0] :
      ( relation(X0)
     => ! [X1] :
          ( relation(X1)
         => ! [X2] :
              ( ( relation(X2)
                & function(X2) )
             => ( relation_isomorphism(X0,X1,X2)
               => ( ( reflexive(X0)
                   => reflexive(X1) )
                  & ( transitive(X0)
                   => transitive(X1) )
                  & ( connected(X0)
                   => connected(X1) )
                  & ( antisymmetric(X0)
                   => antisymmetric(X1) )
                  & ( well_founded_relation(X0)
                   => well_founded_relation(X1) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t53_wellord1) ).

fof(f4,conjecture,
    ! [X0] :
      ( relation(X0)
     => ! [X1] :
          ( relation(X1)
         => ! [X2] :
              ( ( relation(X2)
                & function(X2) )
             => ( ( well_ordering(X0)
                  & relation_isomorphism(X0,X1,X2) )
               => well_ordering(X1) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t54_wellord1) ).

fof(f5,negated_conjecture,
    ~ ! [X0] :
        ( relation(X0)
       => ! [X1] :
            ( relation(X1)
           => ! [X2] :
                ( ( relation(X2)
                  & function(X2) )
               => ( ( well_ordering(X0)
                    & relation_isomorphism(X0,X1,X2) )
                 => well_ordering(X1) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f4]) ).

fof(f6,plain,
    ! [X0] :
      ( ( well_ordering(X0)
      <=> ( reflexive(X0)
          & transitive(X0)
          & antisymmetric(X0)
          & connected(X0)
          & well_founded_relation(X0) ) )
      | ~ relation(X0) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f7,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ( ( reflexive(X1)
                  | ~ reflexive(X0) )
                & ( transitive(X1)
                  | ~ transitive(X0) )
                & ( connected(X1)
                  | ~ connected(X0) )
                & ( antisymmetric(X1)
                  | ~ antisymmetric(X0) )
                & ( well_founded_relation(X1)
                  | ~ well_founded_relation(X0) ) )
              | ~ relation_isomorphism(X0,X1,X2)
              | ~ relation(X2)
              | ~ function(X2) )
          | ~ relation(X1) )
      | ~ relation(X0) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f8,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ( ( reflexive(X1)
                  | ~ reflexive(X0) )
                & ( transitive(X1)
                  | ~ transitive(X0) )
                & ( connected(X1)
                  | ~ connected(X0) )
                & ( antisymmetric(X1)
                  | ~ antisymmetric(X0) )
                & ( well_founded_relation(X1)
                  | ~ well_founded_relation(X0) ) )
              | ~ relation_isomorphism(X0,X1,X2)
              | ~ relation(X2)
              | ~ function(X2) )
          | ~ relation(X1) )
      | ~ relation(X0) ),
    inference(flattening,[],[f7]) ).

fof(f9,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ~ well_ordering(X1)
              & well_ordering(X0)
              & relation_isomorphism(X0,X1,X2)
              & relation(X2)
              & function(X2) )
          & relation(X1) )
      & relation(X0) ),
    inference(ennf_transformation,[],[f5]) ).

fof(f10,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ~ well_ordering(X1)
              & well_ordering(X0)
              & relation_isomorphism(X0,X1,X2)
              & relation(X2)
              & function(X2) )
          & relation(X1) )
      & relation(X0) ),
    inference(flattening,[],[f9]) ).

fof(f11,plain,
    ! [X0] :
      ( ( ( well_ordering(X0)
          | ~ reflexive(X0)
          | ~ transitive(X0)
          | ~ antisymmetric(X0)
          | ~ connected(X0)
          | ~ well_founded_relation(X0) )
        & ( ( reflexive(X0)
            & transitive(X0)
            & antisymmetric(X0)
            & connected(X0)
            & well_founded_relation(X0) )
          | ~ well_ordering(X0) ) )
      | ~ relation(X0) ),
    inference(nnf_transformation,[],[f6]) ).

fof(f12,plain,
    ! [X0] :
      ( ( ( well_ordering(X0)
          | ~ reflexive(X0)
          | ~ transitive(X0)
          | ~ antisymmetric(X0)
          | ~ connected(X0)
          | ~ well_founded_relation(X0) )
        & ( ( reflexive(X0)
            & transitive(X0)
            & antisymmetric(X0)
            & connected(X0)
            & well_founded_relation(X0) )
          | ~ well_ordering(X0) ) )
      | ~ relation(X0) ),
    inference(flattening,[],[f11]) ).

fof(f14,plain,
    ( ~ well_ordering(sK2)
    & well_ordering(sK1)
    & relation_isomorphism(sK1,sK2,sK3)
    & relation(sK3)
    & function(sK3)
    & relation(sK2)
    & relation(sK1) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK1,sK2,sK3]),skolemize(X0,sK1),skolemize(X1,sK2),skolemize(X2,sK3)],[f10]) ).

fof(f15,plain,
    ! [X0] :
      ( well_founded_relation(X0)
      | ~ well_ordering(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f12]) ).

fof(f16,plain,
    ! [X0] :
      ( connected(X0)
      | ~ well_ordering(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f12]) ).

fof(f17,plain,
    ! [X0] :
      ( antisymmetric(X0)
      | ~ well_ordering(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f12]) ).

fof(f18,plain,
    ! [X0] :
      ( transitive(X0)
      | ~ well_ordering(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f12]) ).

fof(f19,plain,
    ! [X0] :
      ( reflexive(X0)
      | ~ well_ordering(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f12]) ).

fof(f20,plain,
    ! [X0] :
      ( ~ well_founded_relation(X0)
      | ~ reflexive(X0)
      | ~ transitive(X0)
      | ~ antisymmetric(X0)
      | ~ connected(X0)
      | well_ordering(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f12]) ).

fof(f23,plain,
    ! [X2,X0,X1] :
      ( well_founded_relation(X1)
      | ~ well_founded_relation(X0)
      | ~ relation_isomorphism(X0,X1,X2)
      | ~ relation(X2)
      | ~ function(X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f24,plain,
    ! [X2,X0,X1] :
      ( antisymmetric(X1)
      | ~ antisymmetric(X0)
      | ~ relation_isomorphism(X0,X1,X2)
      | ~ relation(X2)
      | ~ function(X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f25,plain,
    ! [X2,X0,X1] :
      ( connected(X1)
      | ~ connected(X0)
      | ~ relation_isomorphism(X0,X1,X2)
      | ~ relation(X2)
      | ~ function(X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f26,plain,
    ! [X2,X0,X1] :
      ( transitive(X1)
      | ~ transitive(X0)
      | ~ relation_isomorphism(X0,X1,X2)
      | ~ relation(X2)
      | ~ function(X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f27,plain,
    ! [X2,X0,X1] :
      ( reflexive(X1)
      | ~ reflexive(X0)
      | ~ relation_isomorphism(X0,X1,X2)
      | ~ relation(X2)
      | ~ function(X2)
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f28,plain,
    relation(sK1),
    inference(cnf_transformation,[],[f14]) ).

fof(f29,plain,
    relation(sK2),
    inference(cnf_transformation,[],[f14]) ).

fof(f30,plain,
    function(sK3),
    inference(cnf_transformation,[],[f14]) ).

fof(f31,plain,
    relation(sK3),
    inference(cnf_transformation,[],[f14]) ).

fof(f32,plain,
    relation_isomorphism(sK1,sK2,sK3),
    inference(cnf_transformation,[],[f14]) ).

fof(f33,plain,
    well_ordering(sK1),
    inference(cnf_transformation,[],[f14]) ).

fof(f34,plain,
    ~ well_ordering(sK2),
    inference(cnf_transformation,[],[f14]) ).

fof(f37,plain,
    ! [X2,X0,X1] :
      ( ~ well_founded_relation(X0)
      | ~ relation_isomorphism(X0,X1,X2)
      | ~ relation(X2)
      | ~ function(X2)
      | ~ relation(X1)
      | ~ relation(X0)
      | ~ reflexive(X1)
      | ~ transitive(X1)
      | ~ antisymmetric(X1)
      | ~ connected(X1)
      | well_ordering(X1)
      | ~ relation(X1) ),
    inference(resolution,[],[f23,f20]) ).

fof(f38,plain,
    ! [X2,X0,X1] :
      ( well_ordering(X1)
      | ~ relation_isomorphism(X0,X1,X2)
      | ~ relation(X2)
      | ~ function(X2)
      | ~ relation(X1)
      | ~ relation(X0)
      | ~ reflexive(X1)
      | ~ transitive(X1)
      | ~ antisymmetric(X1)
      | ~ connected(X1)
      | ~ well_founded_relation(X0) ),
    inference(duplicate_literal_removal,[],[f37]) ).

fof(f39,plain,
    ! [X0,X1] :
      ( ~ relation_isomorphism(X0,sK2,X1)
      | ~ relation(X1)
      | ~ function(X1)
      | ~ relation(sK2)
      | ~ relation(X0)
      | ~ reflexive(sK2)
      | ~ transitive(sK2)
      | ~ antisymmetric(sK2)
      | ~ connected(sK2)
      | ~ well_founded_relation(X0) ),
    inference(resolution,[],[f38,f34]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( ~ relation_isomorphism(X0,sK2,X1)
      | ~ relation(X1)
      | ~ function(X1)
      | ~ relation(X0)
      | ~ reflexive(sK2)
      | ~ transitive(sK2)
      | ~ antisymmetric(sK2)
      | ~ connected(sK2)
      | ~ well_founded_relation(X0) ),
    inference(forward_subsumption_resolution,[],[f39,f29]) ).

fof(f42,definition,
    ( spl4_1
  <=> connected(sK2) ),
    introduced(definition,[new_symbols(definition,[spl4_1])],[avatar_definition]) ).

fof(f44,plain,
    ( ~ connected(sK2)
    | spl4_1 ),
    inference(avatar_component_clause,[],[f42]) ).

fof(f46,definition,
    ( spl4_2
  <=> antisymmetric(sK2) ),
    introduced(definition,[new_symbols(definition,[spl4_2])],[avatar_definition]) ).

fof(f48,plain,
    ( ~ antisymmetric(sK2)
    | spl4_2 ),
    inference(avatar_component_clause,[],[f46]) ).

fof(f50,definition,
    ( spl4_3
  <=> transitive(sK2) ),
    introduced(definition,[new_symbols(definition,[spl4_3])],[avatar_definition]) ).

fof(f52,plain,
    ( ~ transitive(sK2)
    | spl4_3 ),
    inference(avatar_component_clause,[],[f50]) ).

fof(f54,definition,
    ( spl4_4
  <=> reflexive(sK2) ),
    introduced(definition,[new_symbols(definition,[spl4_4])],[avatar_definition]) ).

fof(f56,plain,
    ( ~ reflexive(sK2)
    | spl4_4 ),
    inference(avatar_component_clause,[],[f54]) ).

fof(f58,definition,
    ( spl4_5
  <=> ! [X0,X1] :
        ( ~ relation_isomorphism(X0,sK2,X1)
        | ~ well_founded_relation(X0)
        | ~ relation(X0)
        | ~ function(X1)
        | ~ relation(X1) ) ),
    introduced(definition,[new_symbols(definition,[spl4_5])],[avatar_definition]) ).

fof(f59,plain,
    ( ! [X0,X1] :
        ( ~ relation_isomorphism(X0,sK2,X1)
        | ~ well_founded_relation(X0)
        | ~ relation(X0)
        | ~ function(X1)
        | ~ relation(X1) )
    | ~ spl4_5 ),
    inference(avatar_component_clause,[],[f58]) ).

fof(f60,plain,
    ( ~ spl4_1
    | ~ spl4_2
    | ~ spl4_3
    | ~ spl4_4
    | spl4_5 ),
    inference(avatar_split_clause,[],[f40,f58,f54,f50,f46,f42]) ).

fof(f61,plain,
    ( ! [X0,X1] :
        ( ~ connected(X0)
        | ~ relation_isomorphism(X0,sK2,X1)
        | ~ relation(X1)
        | ~ function(X1)
        | ~ relation(sK2)
        | ~ relation(X0) )
    | spl4_1 ),
    inference(resolution,[],[f44,f25]) ).

fof(f63,plain,
    ( ! [X0,X1] :
        ( ~ relation_isomorphism(X0,sK2,X1)
        | ~ connected(X0)
        | ~ relation(X1)
        | ~ function(X1)
        | ~ relation(X0) )
    | spl4_1 ),
    inference(forward_subsumption_resolution,[],[f61,f29]) ).

fof(f64,plain,
    ( ~ connected(sK1)
    | ~ relation(sK3)
    | ~ function(sK3)
    | ~ relation(sK1)
    | spl4_1 ),
    inference(resolution,[],[f63,f32]) ).

fof(f65,plain,
    ( ~ connected(sK1)
    | ~ function(sK3)
    | ~ relation(sK1)
    | spl4_1 ),
    inference(forward_subsumption_resolution,[],[f64,f31]) ).

fof(f66,plain,
    ( ~ connected(sK1)
    | ~ relation(sK1)
    | spl4_1 ),
    inference(forward_subsumption_resolution,[],[f65,f30]) ).

fof(f67,plain,
    ( ~ connected(sK1)
    | spl4_1 ),
    inference(forward_subsumption_resolution,[],[f66,f28]) ).

fof(f69,plain,
    ( ~ well_ordering(sK1)
    | ~ relation(sK1)
    | spl4_1 ),
    inference(resolution,[],[f67,f16]) ).

fof(f70,plain,
    ( ~ relation(sK1)
    | spl4_1 ),
    inference(forward_subsumption_resolution,[],[f69,f33]) ).

fof(f72,plain,
    ( $false
    | spl4_1 ),
    inference(forward_subsumption_resolution,[],[f70,f28]) ).

fof(f73,plain,
    spl4_1,
    inference(avatar_contradiction_clause,[],[f72]) ).

fof(f74,plain,
    ( ! [X0,X1] :
        ( ~ antisymmetric(X0)
        | ~ relation_isomorphism(X0,sK2,X1)
        | ~ relation(X1)
        | ~ function(X1)
        | ~ relation(sK2)
        | ~ relation(X0) )
    | spl4_2 ),
    inference(resolution,[],[f48,f24]) ).

fof(f76,plain,
    ( ! [X0,X1] :
        ( ~ relation_isomorphism(X0,sK2,X1)
        | ~ antisymmetric(X0)
        | ~ relation(X1)
        | ~ function(X1)
        | ~ relation(X0) )
    | spl4_2 ),
    inference(forward_subsumption_resolution,[],[f74,f29]) ).

fof(f77,plain,
    ( ~ antisymmetric(sK1)
    | ~ relation(sK3)
    | ~ function(sK3)
    | ~ relation(sK1)
    | spl4_2 ),
    inference(resolution,[],[f76,f32]) ).

fof(f78,plain,
    ( ~ antisymmetric(sK1)
    | ~ function(sK3)
    | ~ relation(sK1)
    | spl4_2 ),
    inference(forward_subsumption_resolution,[],[f77,f31]) ).

fof(f79,plain,
    ( ~ antisymmetric(sK1)
    | ~ relation(sK1)
    | spl4_2 ),
    inference(forward_subsumption_resolution,[],[f78,f30]) ).

fof(f80,plain,
    ( ~ antisymmetric(sK1)
    | spl4_2 ),
    inference(forward_subsumption_resolution,[],[f79,f28]) ).

fof(f82,plain,
    ( ~ well_ordering(sK1)
    | ~ relation(sK1)
    | spl4_2 ),
    inference(resolution,[],[f80,f17]) ).

fof(f83,plain,
    ( ~ relation(sK1)
    | spl4_2 ),
    inference(forward_subsumption_resolution,[],[f82,f33]) ).

fof(f85,plain,
    ( $false
    | spl4_2 ),
    inference(forward_subsumption_resolution,[],[f83,f28]) ).

fof(f86,plain,
    spl4_2,
    inference(avatar_contradiction_clause,[],[f85]) ).

fof(f87,plain,
    ( ! [X0,X1] :
        ( ~ transitive(X0)
        | ~ relation_isomorphism(X0,sK2,X1)
        | ~ relation(X1)
        | ~ function(X1)
        | ~ relation(sK2)
        | ~ relation(X0) )
    | spl4_3 ),
    inference(resolution,[],[f52,f26]) ).

fof(f89,plain,
    ( ! [X0,X1] :
        ( ~ relation_isomorphism(X0,sK2,X1)
        | ~ transitive(X0)
        | ~ relation(X1)
        | ~ function(X1)
        | ~ relation(X0) )
    | spl4_3 ),
    inference(forward_subsumption_resolution,[],[f87,f29]) ).

fof(f90,plain,
    ( ~ transitive(sK1)
    | ~ relation(sK3)
    | ~ function(sK3)
    | ~ relation(sK1)
    | spl4_3 ),
    inference(resolution,[],[f89,f32]) ).

fof(f91,plain,
    ( ~ transitive(sK1)
    | ~ function(sK3)
    | ~ relation(sK1)
    | spl4_3 ),
    inference(forward_subsumption_resolution,[],[f90,f31]) ).

fof(f92,plain,
    ( ~ transitive(sK1)
    | ~ relation(sK1)
    | spl4_3 ),
    inference(forward_subsumption_resolution,[],[f91,f30]) ).

fof(f93,plain,
    ( ~ transitive(sK1)
    | spl4_3 ),
    inference(forward_subsumption_resolution,[],[f92,f28]) ).

fof(f95,plain,
    ( ~ well_ordering(sK1)
    | ~ relation(sK1)
    | spl4_3 ),
    inference(resolution,[],[f93,f18]) ).

fof(f96,plain,
    ( ~ relation(sK1)
    | spl4_3 ),
    inference(forward_subsumption_resolution,[],[f95,f33]) ).

fof(f98,plain,
    ( $false
    | spl4_3 ),
    inference(forward_subsumption_resolution,[],[f96,f28]) ).

fof(f99,plain,
    spl4_3,
    inference(avatar_contradiction_clause,[],[f98]) ).

fof(f100,plain,
    ( ! [X0,X1] :
        ( ~ reflexive(X0)
        | ~ relation_isomorphism(X0,sK2,X1)
        | ~ relation(X1)
        | ~ function(X1)
        | ~ relation(sK2)
        | ~ relation(X0) )
    | spl4_4 ),
    inference(resolution,[],[f56,f27]) ).

fof(f102,plain,
    ( ! [X0,X1] :
        ( ~ relation_isomorphism(X0,sK2,X1)
        | ~ reflexive(X0)
        | ~ relation(X1)
        | ~ function(X1)
        | ~ relation(X0) )
    | spl4_4 ),
    inference(forward_subsumption_resolution,[],[f100,f29]) ).

fof(f103,plain,
    ( ~ reflexive(sK1)
    | ~ relation(sK3)
    | ~ function(sK3)
    | ~ relation(sK1)
    | spl4_4 ),
    inference(resolution,[],[f102,f32]) ).

fof(f104,plain,
    ( ~ reflexive(sK1)
    | ~ function(sK3)
    | ~ relation(sK1)
    | spl4_4 ),
    inference(forward_subsumption_resolution,[],[f103,f31]) ).

fof(f105,plain,
    ( ~ reflexive(sK1)
    | ~ relation(sK1)
    | spl4_4 ),
    inference(forward_subsumption_resolution,[],[f104,f30]) ).

fof(f106,plain,
    ( ~ reflexive(sK1)
    | spl4_4 ),
    inference(forward_subsumption_resolution,[],[f105,f28]) ).

fof(f108,plain,
    ( ~ well_ordering(sK1)
    | ~ relation(sK1)
    | spl4_4 ),
    inference(resolution,[],[f106,f19]) ).

fof(f109,plain,
    ( ~ relation(sK1)
    | spl4_4 ),
    inference(forward_subsumption_resolution,[],[f108,f33]) ).

fof(f111,plain,
    ( $false
    | spl4_4 ),
    inference(forward_subsumption_resolution,[],[f109,f28]) ).

fof(f112,plain,
    spl4_4,
    inference(avatar_contradiction_clause,[],[f111]) ).

fof(f113,plain,
    ( ~ well_founded_relation(sK1)
    | ~ relation(sK1)
    | ~ function(sK3)
    | ~ relation(sK3)
    | ~ spl4_5 ),
    inference(resolution,[],[f59,f32]) ).

fof(f114,plain,
    ( ~ well_founded_relation(sK1)
    | ~ function(sK3)
    | ~ relation(sK3)
    | ~ spl4_5 ),
    inference(forward_subsumption_resolution,[],[f113,f28]) ).

fof(f115,plain,
    ( ~ well_founded_relation(sK1)
    | ~ relation(sK3)
    | ~ spl4_5 ),
    inference(forward_subsumption_resolution,[],[f114,f30]) ).

fof(f116,plain,
    ( ~ well_founded_relation(sK1)
    | ~ spl4_5 ),
    inference(forward_subsumption_resolution,[],[f115,f31]) ).

fof(f118,plain,
    ( ~ well_ordering(sK1)
    | ~ relation(sK1)
    | ~ spl4_5 ),
    inference(resolution,[],[f116,f15]) ).

fof(f119,plain,
    ( ~ relation(sK1)
    | ~ spl4_5 ),
    inference(forward_subsumption_resolution,[],[f118,f33]) ).

fof(f121,plain,
    ( $false
    | ~ spl4_5 ),
    inference(forward_subsumption_resolution,[],[f119,f28]) ).

fof(f122,plain,
    ~ spl4_5,
    inference(avatar_contradiction_clause,[],[f121]) ).

cnf(s1,plain,
    ( ~ spl4_1
    | ~ spl4_2
    | ~ spl4_3
    | ~ spl4_4
    | spl4_5 ),
    inference(sat_conversion,[],[f60]) ).

cnf(s2,plain,
    spl4_1,
    inference(sat_conversion,[],[f73]) ).

cnf(s3,plain,
    spl4_2,
    inference(sat_conversion,[],[f86]) ).

cnf(s4,plain,
    spl4_3,
    inference(sat_conversion,[],[f99]) ).

cnf(s5,plain,
    spl4_4,
    inference(sat_conversion,[],[f112]) ).

cnf(s6,plain,
    ~ spl4_5,
    inference(sat_conversion,[],[f122]) ).

cnf(s7,plain,
    $false,
    inference(rat,[],[s1,s6,s5,s4,s3,s2]) ).

fof(f123,plain,
    $false,
    inference(avatar_sat_refutation,[],[s7]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU261+1 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.06  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.10/0.36  % Computer : n011.cluster.edu
% 0.10/0.36  % Model    : x86_64 x86_64
% 0.10/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36  % Memory   : 8046.5625MB
% 0.10/0.36  % OS       : Linux 6.8.0-71-generic
% 0.10/0.36  % CPULimit : 300
% 0.10/0.36  % WCLimit  : 300
% 0.10/0.37  % DateTime : Mon Sep 28 04:22:31 UTC 2026
% 0.10/0.37  % CPUTime  : 
% 0.10/0.37  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.10/0.40  Running first-order theorem proving
% 0.10/0.40  Running: /export/starexec/sandbox/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.79/1.25  % (3014673)Detected formulas, will run a generic FOF schedule.
% 2.79/1.25  % (3014680)lrs+1010_1_anc=all:sfv=off:to=kbo:ncem=casc2026/models/loop7.pt:sil=128000:npcc=on:prc=on:sos=all:bsr=unit_only:sac=on:random_seed=1703164164:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 2.79/1.25  % (3014683)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=57107997:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 2.79/1.25  % (3014683)First to succeed.
% 2.79/1.25  % (3014683)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-3014673"
% 2.79/1.25  % (3014681)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=4085447422:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 2.79/1.25  % (3014682)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=4142839913:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 2.79/1.25  % (3014678)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=255045109:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 2.79/1.25  % (3014679)lrs+11_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:lma=off:spb=units:urr=ec_only:bce=on:s2agt=64:updr=off:random_seed=3631321468:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 2.79/1.25  % (3014682)Also succeeded, but the first one will report.
% 2.79/1.25  % (3014681)Also succeeded, but the first one will report.
% 2.79/1.25  % (3014684)dis-21_1_sil=8000:lcm=predicate:random_seed=1483982013:st=5:avsq=on:i=129:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/129Mi)
% 2.79/1.25  % (3014684)Instruction limit reached! 
% 2.79/1.25  % (3014684)------------------------------
% 2.79/1.25  % (3014684)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.79/1.25  % (3014684)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.79/1.25  % (3014684)CaDiCaL version: 2.1.3
% 2.79/1.25  % (3014684)Termination reason: Instruction limit
% 2.79/1.25  % (3014684)Termination phase: Saturation
% 2.79/1.25  % (3014684)Time elapsed: 0.053 s
% 2.79/1.25  % (3014684)Peak memory usage: 88 MB
% 2.79/1.25  % (3014684)Instructions burned: 130 (million)
% 2.79/1.25  % (3014692)lrs+10_1_sil=8000:sp=occurrence:random_seed=3216924045:i=285:sd=3:ss=axioms:sgt=8_2997 on theBenchmark for (2997ds/285Mi)
% 2.79/1.25  % (3014692)Also succeeded, but the first one will report.
% 2.79/1.25  % (3014683)Refutation found. Thanks to Tanya!
% 2.79/1.25  % SZS status Theorem for theBenchmark
% 2.79/1.25  % SZS output start Proof for theBenchmark
% See solution above
% 3.37/1.34  % (3014683)------------------------------
% 3.37/1.34  % (3014683)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.37/1.34  % (3014683)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.37/1.34  % (3014683)CaDiCaL version: 2.1.3
% 3.37/1.34  % (3014683)Termination reason: Refutation
% 3.37/1.34  % (3014683)Time elapsed: 0.005 s
% 3.37/1.34  % (3014683)Peak memory usage: 89 MB
% 3.37/1.34  % (3014683)Instructions burned: 5 (million)
% 3.37/1.34  % (3014683)------------------------------
% 3.37/1.34  % (3014683)------------------------------
% 3.37/1.34  % (3014673)Success in time 0.404 s
% 3.37/1.34  % Vampire exiting
%------------------------------------------------------------------------------