↑ Up

Vampire-SAT---5.0.1.THM-Ref.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : Vampire-SAT---5.0.1
% Problem  : GRA004+1 : TPTP v9.3.1. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT

% Computer : n014.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 10:08:25 AM UTC 2026

% Result   : Theorem 0.38s 0.48s
% Output   : Refutation 0.38s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   21
% Syntax   : Number of formulae    :  139 (  23 unt;  14 def)
%            Number of atoms       :  429 (  74 equ)
%            Maximal formula atoms :    7 (   3 avg)
%            Number of connectives :  505 ( 215   ~; 218   |;  44   &)
%                                         (  17 <=>;   9  =>;   0  <=;   2 <~>)
%            Maximal formula depth :   13 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   24 (  22 usr;  15 prp; 0-3 aty)
%            Number of functors    :    9 (   9 usr;   6 con; 0-1 aty)
%            Number of variables   :  204 (   0 sgn 186   !;  18   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f6,axiom,
    ! [X0,X1,X2,X3] :
      ( ( path(X0,X1,X2)
        & on_path(X3,X2) )
     => ( edge(X3)
        & in_path(head_of(X3),X2)
        & in_path(tail_of(X3),X2) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',on_path_properties) ).

fof(f8,axiom,
    ! [X0,X1] :
      ( sequential(X0,X1)
    <=> ( edge(X0)
        & edge(X1)
        & X0 != X1
        & head_of(X0) = tail_of(X1) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',sequential_defn) ).

fof(f9,axiom,
    ! [X0,X1,X2] :
      ( path(X1,X2,X0)
     => ! [X3,X4] :
          ( ( on_path(X3,X0)
            & on_path(X4,X0)
            & ( sequential(X3,X4)
              | ? [X5] :
                  ( sequential(X3,X5)
                  & precedes(X5,X4,X0) ) ) )
         => precedes(X3,X4,X0) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',precedes_defn) ).

fof(f10,axiom,
    ! [X0,X1,X2] :
      ( path(X1,X2,X0)
     => ! [X3,X4] :
          ( precedes(X3,X4,X0)
         => ( on_path(X3,X0)
            & on_path(X4,X0)
            & ( sequential(X3,X4)
            <~> ? [X5] :
                  ( sequential(X3,X5)
                  & precedes(X5,X4,X0) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',precedes_properties) ).

fof(f11,axiom,
    ! [X0,X1,X2] :
      ( shortest_path(X0,X1,X2)
    <=> ( path(X0,X1,X2)
        & X0 != X1
        & ! [X3] :
            ( path(X0,X1,X3)
           => less_or_equal(length_of(X2),length_of(X3)) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',shortest_path_defn) ).

fof(f12,axiom,
    ! [X0,X1,X2,X3,X4] :
      ( ( shortest_path(X0,X1,X4)
        & precedes(X2,X3,X4) )
     => ( ~ ? [X5] :
              ( tail_of(X5) = tail_of(X2)
              & head_of(X5) = head_of(X3) )
        & ~ precedes(X3,X2,X4) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',shortest_path_properties) ).

fof(f18,conjecture,
    ! [X0,X1,X2,X3,X4] :
      ( ( shortest_path(X0,X1,X4)
        & precedes(X2,X3,X4) )
     => ( ~ ? [X5] :
              ( tail_of(X5) = tail_of(X2)
              & head_of(X5) = head_of(X3) )
        & head_of(X3) != tail_of(X2)
        & head_of(X3) != head_of(X2) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',shortest_path_properties_lemma) ).

fof(f19,negated_conjecture,
    ~ ! [X0,X1,X2,X3,X4] :
        ( ( shortest_path(X0,X1,X4)
          & precedes(X2,X3,X4) )
       => ( ~ ? [X5] :
                ( tail_of(X5) = tail_of(X2)
                & head_of(X5) = head_of(X3) )
          & head_of(X3) != tail_of(X2)
          & head_of(X3) != head_of(X2) ) ),
    inference(negated_conjecture,[status(cth)],[f18]) ).

fof(f27,plain,
    ! [X0,X1,X2,X3] :
      ( ( edge(X3)
        & in_path(head_of(X3),X2)
        & in_path(tail_of(X3),X2) )
      | ~ path(X0,X1,X2)
      | ~ on_path(X3,X2) ),
    inference(ennf_transformation,[],[f6]) ).

fof(f28,plain,
    ! [X0,X1,X2,X3] :
      ( ( edge(X3)
        & in_path(head_of(X3),X2)
        & in_path(tail_of(X3),X2) )
      | ~ path(X0,X1,X2)
      | ~ on_path(X3,X2) ),
    inference(flattening,[],[f27]) ).

fof(f31,plain,
    ! [X0,X1,X2] :
      ( ! [X3,X4] :
          ( precedes(X3,X4,X0)
          | ~ on_path(X3,X0)
          | ~ on_path(X4,X0)
          | ( ~ sequential(X3,X4)
            & ! [X5] :
                ( ~ sequential(X3,X5)
                | ~ precedes(X5,X4,X0) ) ) )
      | ~ path(X1,X2,X0) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f32,plain,
    ! [X0,X1,X2] :
      ( ! [X3,X4] :
          ( precedes(X3,X4,X0)
          | ~ on_path(X3,X0)
          | ~ on_path(X4,X0)
          | ( ~ sequential(X3,X4)
            & ! [X5] :
                ( ~ sequential(X3,X5)
                | ~ precedes(X5,X4,X0) ) ) )
      | ~ path(X1,X2,X0) ),
    inference(flattening,[],[f31]) ).

fof(f33,plain,
    ! [X0,X1,X2] :
      ( ! [X3,X4] :
          ( ( on_path(X3,X0)
            & on_path(X4,X0)
            & ( sequential(X3,X4)
            <~> ? [X5] :
                  ( sequential(X3,X5)
                  & precedes(X5,X4,X0) ) ) )
          | ~ precedes(X3,X4,X0) )
      | ~ path(X1,X2,X0) ),
    inference(ennf_transformation,[],[f10]) ).

fof(f34,plain,
    ! [X0,X1,X2] :
      ( shortest_path(X0,X1,X2)
    <=> ( path(X0,X1,X2)
        & X0 != X1
        & ! [X3] :
            ( less_or_equal(length_of(X2),length_of(X3))
            | ~ path(X0,X1,X3) ) ) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f35,plain,
    ! [X0,X1,X2,X3,X4] :
      ( ( ! [X5] :
            ( tail_of(X2) != tail_of(X5)
            | head_of(X3) != head_of(X5) )
        & ~ precedes(X3,X2,X4) )
      | ~ shortest_path(X0,X1,X4)
      | ~ precedes(X2,X3,X4) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f36,plain,
    ! [X0,X1,X2,X3,X4] :
      ( ( ! [X5] :
            ( tail_of(X2) != tail_of(X5)
            | head_of(X3) != head_of(X5) )
        & ~ precedes(X3,X2,X4) )
      | ~ shortest_path(X0,X1,X4)
      | ~ precedes(X2,X3,X4) ),
    inference(flattening,[],[f35]) ).

fof(f43,plain,
    ? [X0,X1,X2,X3,X4] :
      ( ( ? [X5] :
            ( tail_of(X5) = tail_of(X2)
            & head_of(X5) = head_of(X3) )
        | tail_of(X2) = head_of(X3)
        | head_of(X2) = head_of(X3) )
      & shortest_path(X0,X1,X4)
      & precedes(X2,X3,X4) ),
    inference(ennf_transformation,[],[f19]) ).

fof(f44,plain,
    ? [X0,X1,X2,X3,X4] :
      ( ( ? [X5] :
            ( tail_of(X5) = tail_of(X2)
            & head_of(X5) = head_of(X3) )
        | tail_of(X2) = head_of(X3)
        | head_of(X2) = head_of(X3) )
      & shortest_path(X0,X1,X4)
      & precedes(X2,X3,X4) ),
    inference(flattening,[],[f43]) ).

fof(f61,plain,
    ! [X2,X3,X0,X1] :
      ( ~ on_path(X3,X2)
      | ~ path(X0,X1,X2)
      | edge(X3) ),
    inference(cnf_transformation,[],[f28]) ).

fof(f69,plain,
    ! [X0,X1] :
      ( head_of(X0) != tail_of(X1)
      | X0 = X1
      | ~ edge(X1)
      | ~ edge(X0)
      | sequential(X0,X1) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f70,plain,
    ! [X2,X3,X0,X1,X4,X5] :
      ( ~ path(X1,X2,X0)
      | ~ precedes(X5,X4,X0)
      | ~ sequential(X3,X5)
      | ~ on_path(X4,X0)
      | ~ on_path(X3,X0)
      | precedes(X3,X4,X0) ),
    inference(cnf_transformation,[],[f32]) ).

fof(f75,plain,
    ! [X2,X3,X0,X1,X4] :
      ( ~ precedes(X3,X4,X0)
      | ~ path(X1,X2,X0)
      | on_path(X4,X0) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f76,plain,
    ! [X2,X3,X0,X1,X4] :
      ( ~ precedes(X3,X4,X0)
      | ~ path(X1,X2,X0)
      | on_path(X3,X0) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f81,plain,
    ! [X2,X0,X1] :
      ( path(X0,X1,X2)
      | ~ shortest_path(X0,X1,X2) ),
    inference(cnf_transformation,[],[f34]) ).

fof(f82,plain,
    ! [X2,X3,X0,X1,X4,X5] :
      ( ~ precedes(X2,X3,X4)
      | ~ shortest_path(X0,X1,X4)
      | head_of(X3) != head_of(X5)
      | tail_of(X2) != tail_of(X5) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f92,plain,
    ( head_of(sK9) = head_of(sK10)
    | head_of(sK10) = tail_of(sK9)
    | head_of(sK10) = head_of(sK12) ),
    inference(cnf_transformation,[],[f44]) ).

fof(f93,plain,
    ( head_of(sK9) = head_of(sK10)
    | head_of(sK10) = tail_of(sK9)
    | tail_of(sK9) = tail_of(sK12) ),
    inference(cnf_transformation,[],[f44]) ).

fof(f94,plain,
    precedes(sK9,sK10,sK11),
    inference(cnf_transformation,[],[f44]) ).

fof(f95,plain,
    shortest_path(sK7,sK8,sK11),
    inference(cnf_transformation,[],[f44]) ).

fof(f114,plain,
    ! [X0,X1] :
      ( head_of(X0) != tail_of(X1)
      | X0 = X1
      | ~ edge(X1)
      | ~ edge(X0)
      | ~ sequential(X0,X1) ),
    inference(consistent_polarity_flipping,[],[f69]) ).

fof(f120,plain,
    ! [X2,X3,X0,X1,X4,X5] :
      ( ~ path(X1,X2,X0)
      | ~ precedes(X5,X4,X0)
      | sequential(X3,X5)
      | ~ on_path(X4,X0)
      | ~ on_path(X3,X0)
      | precedes(X3,X4,X0) ),
    inference(consistent_polarity_flipping,[],[f70]) ).

fof(f124,plain,
    ! [X2,X0,X1] :
      ( shortest_path(X0,X1,X2)
      | path(X0,X1,X2) ),
    inference(consistent_polarity_flipping,[],[f81]) ).

fof(f130,plain,
    ! [X2,X3,X0,X1,X4,X5] :
      ( head_of(X3) != head_of(X5)
      | shortest_path(X0,X1,X4)
      | ~ precedes(X2,X3,X4)
      | tail_of(X2) != tail_of(X5) ),
    inference(consistent_polarity_flipping,[],[f82]) ).

fof(f134,plain,
    ~ shortest_path(sK7,sK8,sK11),
    inference(consistent_polarity_flipping,[],[f95]) ).

fof(f136,definition,
    ( spl13_1
  <=> head_of(sK10) = head_of(sK12) ),
    introduced(definition,[new_symbols(definition,[spl13_1])],[avatar_definition]) ).

fof(f138,plain,
    ( head_of(sK10) = head_of(sK12)
    | ~ spl13_1 ),
    inference(avatar_component_clause,[],[f136]) ).

fof(f140,definition,
    ( spl13_2
  <=> head_of(sK10) = tail_of(sK9) ),
    introduced(definition,[new_symbols(definition,[spl13_2])],[avatar_definition]) ).

fof(f142,plain,
    ( head_of(sK10) = tail_of(sK9)
    | ~ spl13_2 ),
    inference(avatar_component_clause,[],[f140]) ).

fof(f144,definition,
    ( spl13_3
  <=> head_of(sK9) = head_of(sK10) ),
    introduced(definition,[new_symbols(definition,[spl13_3])],[avatar_definition]) ).

fof(f145,plain,
    ( head_of(sK9) != head_of(sK10)
    | spl13_3 ),
    inference(avatar_component_clause,[],[f144]) ).

fof(f146,plain,
    ( head_of(sK9) = head_of(sK10)
    | ~ spl13_3 ),
    inference(avatar_component_clause,[],[f144]) ).

fof(f147,plain,
    ( spl13_1
    | spl13_2
    | spl13_3 ),
    inference(avatar_split_clause,[],[f92,f144,f140,f136]) ).

fof(f149,definition,
    ( spl13_4
  <=> tail_of(sK9) = tail_of(sK12) ),
    introduced(definition,[new_symbols(definition,[spl13_4])],[avatar_definition]) ).

fof(f151,plain,
    ( tail_of(sK9) = tail_of(sK12)
    | ~ spl13_4 ),
    inference(avatar_component_clause,[],[f149]) ).

fof(f152,plain,
    ( spl13_4
    | spl13_2
    | spl13_3 ),
    inference(avatar_split_clause,[],[f93,f144,f140,f149]) ).

fof(f155,definition,
    ( spl13_5
  <=> edge(sK9) ),
    introduced(definition,[new_symbols(definition,[spl13_5])],[avatar_definition]) ).

fof(f156,plain,
    ( edge(sK9)
    | ~ spl13_5 ),
    inference(avatar_component_clause,[],[f155]) ).

fof(f163,plain,
    path(sK7,sK8,sK11),
    inference(resolution,[],[f124,f134]) ).

fof(f168,plain,
    ! [X0,X1] :
      ( ~ path(X0,X1,sK11)
      | on_path(sK10,sK11) ),
    inference(resolution,[],[f75,f94]) ).

fof(f170,definition,
    ( spl13_7
  <=> on_path(sK10,sK11) ),
    introduced(definition,[new_symbols(definition,[spl13_7])],[avatar_definition]) ).

fof(f172,plain,
    ( on_path(sK10,sK11)
    | ~ spl13_7 ),
    inference(avatar_component_clause,[],[f170]) ).

fof(f174,definition,
    ( spl13_8
  <=> ! [X0,X1] : ~ path(X0,X1,sK11) ),
    introduced(definition,[new_symbols(definition,[spl13_8])],[avatar_definition]) ).

fof(f175,plain,
    ( ! [X0,X1] : ~ path(X0,X1,sK11)
    | ~ spl13_8 ),
    inference(avatar_component_clause,[],[f174]) ).

fof(f176,plain,
    ( spl13_7
    | spl13_8 ),
    inference(avatar_split_clause,[],[f168,f174,f170]) ).

fof(f177,plain,
    ( ! [X0,X1] :
        ( ~ path(X0,X1,sK11)
        | edge(sK10) )
    | ~ spl13_7 ),
    inference(resolution,[],[f172,f61]) ).

fof(f179,definition,
    ( spl13_9
  <=> edge(sK10) ),
    introduced(definition,[new_symbols(definition,[spl13_9])],[avatar_definition]) ).

fof(f181,plain,
    ( edge(sK10)
    | ~ spl13_9 ),
    inference(avatar_component_clause,[],[f179]) ).

fof(f182,plain,
    ( spl13_9
    | spl13_8
    | ~ spl13_7 ),
    inference(avatar_split_clause,[],[f177,f170,f174,f179]) ).

fof(f183,plain,
    ! [X0,X1] :
      ( ~ path(X0,X1,sK11)
      | on_path(sK9,sK11) ),
    inference(resolution,[],[f76,f94]) ).

fof(f185,definition,
    ( spl13_10
  <=> on_path(sK9,sK11) ),
    introduced(definition,[new_symbols(definition,[spl13_10])],[avatar_definition]) ).

fof(f187,plain,
    ( on_path(sK9,sK11)
    | ~ spl13_10 ),
    inference(avatar_component_clause,[],[f185]) ).

fof(f188,plain,
    ( spl13_10
    | spl13_8 ),
    inference(avatar_split_clause,[],[f183,f174,f185]) ).

fof(f190,plain,
    ( $false
    | ~ spl13_8 ),
    inference(backward_subsumption_resolution,[],[f163,f175]) ).

fof(f191,plain,
    ~ spl13_8,
    inference(avatar_contradiction_clause,[],[f190]) ).

fof(f193,plain,
    ( ! [X0,X1] :
        ( ~ path(X0,X1,sK11)
        | edge(sK9) )
    | ~ spl13_10 ),
    inference(resolution,[],[f187,f61]) ).

fof(f196,plain,
    ( spl13_5
    | spl13_8
    | ~ spl13_10 ),
    inference(avatar_split_clause,[],[f193,f185,f174,f155]) ).

fof(f203,definition,
    ( spl13_12
  <=> ! [X0,X1] : shortest_path(X0,X1,sK11) ),
    introduced(definition,[new_symbols(definition,[spl13_12])],[avatar_definition]) ).

fof(f204,plain,
    ( ! [X0,X1] : shortest_path(X0,X1,sK11)
    | ~ spl13_12 ),
    inference(avatar_component_clause,[],[f203]) ).

fof(f207,plain,
    ( ! [X0] :
        ( head_of(X0) != head_of(sK10)
        | sK9 = X0
        | ~ edge(sK9)
        | ~ edge(X0)
        | ~ sequential(X0,sK9) )
    | ~ spl13_2 ),
    inference(superposition,[],[f114,f142]) ).

fof(f208,plain,
    ( ! [X0] :
        ( head_of(X0) != head_of(sK10)
        | sK9 = X0
        | ~ edge(X0)
        | ~ sequential(X0,sK9) )
    | ~ spl13_2
    | ~ spl13_5 ),
    inference(forward_subsumption_resolution,[],[f207,f156]) ).

fof(f273,plain,
    ! [X2,X3,X0,X1,X4] :
      ( ~ precedes(X3,X4,X2)
      | shortest_path(X0,X1,X2)
      | tail_of(X3) != tail_of(X4) ),
    inference(equality_resolution,[],[f130]) ).

fof(f285,plain,
    ! [X2,X3,X0,X1,X4,X5] :
      ( ~ precedes(X5,X4,X0)
      | ~ path(X1,X2,X0)
      | sequential(X3,X5)
      | ~ on_path(X3,X0)
      | precedes(X3,X4,X0) ),
    inference(forward_subsumption_resolution,[],[f120,f75]) ).

fof(f286,plain,
    ! [X2,X0,X1] :
      ( ~ path(X0,X1,sK11)
      | sequential(X2,sK9)
      | ~ on_path(X2,sK11)
      | precedes(X2,sK10,sK11) ),
    inference(resolution,[],[f285,f94]) ).

fof(f288,definition,
    ( spl13_21
  <=> ! [X2] :
        ( sequential(X2,sK9)
        | precedes(X2,sK10,sK11)
        | ~ on_path(X2,sK11) ) ),
    introduced(definition,[new_symbols(definition,[spl13_21])],[avatar_definition]) ).

fof(f289,plain,
    ( ! [X2] :
        ( ~ on_path(X2,sK11)
        | precedes(X2,sK10,sK11)
        | sequential(X2,sK9) )
    | ~ spl13_21 ),
    inference(avatar_component_clause,[],[f288]) ).

fof(f290,plain,
    ( spl13_21
    | spl13_8 ),
    inference(avatar_split_clause,[],[f286,f174,f288]) ).

fof(f322,plain,
    ( precedes(sK10,sK10,sK11)
    | sequential(sK10,sK9)
    | ~ spl13_7
    | ~ spl13_21 ),
    inference(resolution,[],[f289,f172]) ).

fof(f325,definition,
    ( spl13_26
  <=> sequential(sK10,sK9) ),
    introduced(definition,[new_symbols(definition,[spl13_26])],[avatar_definition]) ).

fof(f327,plain,
    ( sequential(sK10,sK9)
    | ~ spl13_26 ),
    inference(avatar_component_clause,[],[f325]) ).

fof(f329,definition,
    ( spl13_27
  <=> precedes(sK10,sK10,sK11) ),
    introduced(definition,[new_symbols(definition,[spl13_27])],[avatar_definition]) ).

fof(f331,plain,
    ( precedes(sK10,sK10,sK11)
    | ~ spl13_27 ),
    inference(avatar_component_clause,[],[f329]) ).

fof(f332,plain,
    ( spl13_26
    | spl13_27
    | ~ spl13_7
    | ~ spl13_21 ),
    inference(avatar_split_clause,[],[f322,f288,f170,f329,f325]) ).

fof(f346,plain,
    ( sK9 = sK10
    | ~ edge(sK10)
    | ~ sequential(sK10,sK9)
    | ~ spl13_2
    | ~ spl13_5 ),
    inference(equality_resolution,[],[f208]) ).

fof(f347,plain,
    ( sK9 = sK10
    | ~ sequential(sK10,sK9)
    | ~ spl13_2
    | ~ spl13_5
    | ~ spl13_9 ),
    inference(forward_subsumption_resolution,[],[f346,f181]) ).

fof(f349,plain,
    ( sK9 = sK10
    | ~ spl13_2
    | ~ spl13_5
    | ~ spl13_9
    | ~ spl13_26 ),
    inference(forward_subsumption_resolution,[],[f347,f327]) ).

fof(f366,plain,
    ( head_of(sK9) != head_of(sK9)
    | ~ spl13_2
    | spl13_3
    | ~ spl13_5
    | ~ spl13_9
    | ~ spl13_26 ),
    inference(superposition,[],[f145,f349]) ).

fof(f378,plain,
    ( $false
    | ~ spl13_2
    | spl13_3
    | ~ spl13_5
    | ~ spl13_9
    | ~ spl13_26 ),
    inference(trivial_inequality_removal,[],[f366]) ).

fof(f379,plain,
    ( ~ spl13_2
    | spl13_3
    | ~ spl13_5
    | ~ spl13_9
    | ~ spl13_26 ),
    inference(avatar_contradiction_clause,[],[f378]) ).

fof(f387,plain,
    ( ! [X2,X3,X0,X1,X4] :
        ( head_of(X0) != head_of(sK10)
        | shortest_path(X1,X2,X3)
        | ~ precedes(X4,X0,X3)
        | tail_of(X4) != tail_of(sK12) )
    | ~ spl13_1 ),
    inference(superposition,[],[f130,f138]) ).

fof(f421,plain,
    ( ! [X2,X3,X0,X1,X4] :
        ( ~ precedes(X4,X0,X3)
        | head_of(X0) != head_of(sK10)
        | shortest_path(X1,X2,X3)
        | tail_of(X4) != tail_of(sK9) )
    | ~ spl13_1
    | ~ spl13_4 ),
    inference(forward_demodulation,[],[f387,f151]) ).

fof(f427,plain,
    ( ! [X0,X1] :
        ( head_of(sK10) != head_of(sK10)
        | shortest_path(X0,X1,sK11)
        | tail_of(sK9) != tail_of(sK9) )
    | ~ spl13_1
    | ~ spl13_4 ),
    inference(resolution,[],[f421,f94]) ).

fof(f428,plain,
    ( ! [X0,X1] : shortest_path(X0,X1,sK11)
    | ~ spl13_1
    | ~ spl13_4 ),
    inference(trivial_inequality_removal,[],[f427]) ).

fof(f429,plain,
    ( spl13_12
    | ~ spl13_1
    | ~ spl13_4 ),
    inference(avatar_split_clause,[],[f428,f149,f136,f203]) ).

fof(f430,plain,
    ( $false
    | ~ spl13_12 ),
    inference(backward_subsumption_resolution,[],[f134,f204]) ).

fof(f431,plain,
    ~ spl13_12,
    inference(avatar_contradiction_clause,[],[f430]) ).

fof(f449,plain,
    ( ! [X2,X3,X0,X1,X4] :
        ( ~ precedes(X4,sK10,X3)
        | shortest_path(X1,X2,X3)
        | head_of(X0) != head_of(sK9)
        | tail_of(X0) != tail_of(X4) )
    | ~ spl13_3 ),
    inference(superposition,[],[f130,f146]) ).

fof(f509,plain,
    ( ! [X2,X0,X1] :
        ( shortest_path(X0,X1,sK11)
        | head_of(X2) != head_of(sK9)
        | tail_of(X2) != tail_of(sK9) )
    | ~ spl13_3 ),
    inference(resolution,[],[f449,f94]) ).

fof(f516,definition,
    ( spl13_47
  <=> ! [X2] :
        ( head_of(X2) != head_of(sK9)
        | tail_of(X2) != tail_of(sK9) ) ),
    introduced(definition,[new_symbols(definition,[spl13_47])],[avatar_definition]) ).

fof(f517,plain,
    ( ! [X2] :
        ( tail_of(X2) != tail_of(sK9)
        | head_of(X2) != head_of(sK9) )
    | ~ spl13_47 ),
    inference(avatar_component_clause,[],[f516]) ).

fof(f518,plain,
    ( spl13_47
    | spl13_12
    | ~ spl13_3 ),
    inference(avatar_split_clause,[],[f509,f144,f203,f516]) ).

fof(f645,plain,
    ( head_of(sK9) != head_of(sK9)
    | ~ spl13_47 ),
    inference(equality_resolution,[],[f517]) ).

fof(f646,plain,
    ( $false
    | ~ spl13_47 ),
    inference(trivial_inequality_removal,[],[f645]) ).

fof(f647,plain,
    ~ spl13_47,
    inference(avatar_contradiction_clause,[],[f646]) ).

fof(f676,plain,
    ( ! [X0,X1] :
        ( shortest_path(X0,X1,sK11)
        | tail_of(sK10) != tail_of(sK10) )
    | ~ spl13_27 ),
    inference(resolution,[],[f331,f273]) ).

fof(f678,plain,
    ( ! [X0,X1] : shortest_path(X0,X1,sK11)
    | ~ spl13_27 ),
    inference(trivial_inequality_removal,[],[f676]) ).

fof(f684,plain,
    ( spl13_12
    | ~ spl13_27 ),
    inference(avatar_split_clause,[],[f678,f329,f203]) ).

cnf(s1,plain,
    ( spl13_1
    | spl13_2
    | spl13_3 ),
    inference(sat_conversion,[],[f147]) ).

cnf(s2,plain,
    ( spl13_2
    | spl13_3
    | spl13_4 ),
    inference(sat_conversion,[],[f152]) ).

cnf(s4,plain,
    ( spl13_7
    | spl13_8 ),
    inference(sat_conversion,[],[f176]) ).

cnf(s5,plain,
    ( ~ spl13_7
    | spl13_8
    | spl13_9 ),
    inference(sat_conversion,[],[f182]) ).

cnf(s6,plain,
    ( spl13_8
    | spl13_10 ),
    inference(sat_conversion,[],[f188]) ).

cnf(s7,plain,
    ~ spl13_8,
    inference(sat_conversion,[],[f191]) ).

cnf(s9,plain,
    ( spl13_5
    | spl13_8
    | ~ spl13_10 ),
    inference(sat_conversion,[],[f196]) ).

cnf(s18,plain,
    ( spl13_8
    | spl13_21 ),
    inference(sat_conversion,[],[f290]) ).

cnf(s23,plain,
    ( ~ spl13_7
    | ~ spl13_21
    | spl13_26
    | spl13_27 ),
    inference(sat_conversion,[],[f332]) ).

cnf(s25,plain,
    ( ~ spl13_2
    | spl13_3
    | ~ spl13_5
    | ~ spl13_9
    | ~ spl13_26 ),
    inference(sat_conversion,[],[f379]) ).

cnf(s33,plain,
    ( ~ spl13_1
    | ~ spl13_4
    | spl13_12 ),
    inference(sat_conversion,[],[f429]) ).

cnf(s34,plain,
    ~ spl13_12,
    inference(sat_conversion,[],[f431]) ).

cnf(s47,plain,
    ( ~ spl13_3
    | spl13_12
    | spl13_47 ),
    inference(sat_conversion,[],[f518]) ).

cnf(s64,plain,
    ~ spl13_47,
    inference(sat_conversion,[],[f647]) ).

cnf(s71,plain,
    ( spl13_12
    | ~ spl13_27 ),
    inference(sat_conversion,[],[f684]) ).

cnf(s76,plain,
    ( ~ spl13_3
    | spl13_12 ),
    inference(rat,[],[s47,s64]) ).

cnf(s77,plain,
    ~ spl13_27,
    inference(rat,[],[s71,s34]) ).

cnf(s78,plain,
    ~ spl13_3,
    inference(rat,[],[s76,s34]) ).

cnf(s80,plain,
    ( ~ spl13_1
    | ~ spl13_4 ),
    inference(rat,[],[s33,s34]) ).

cnf(s82,plain,
    ( ~ spl13_2
    | ~ spl13_5
    | ~ spl13_9
    | ~ spl13_26 ),
    inference(rat,[],[s25,s78]) ).

cnf(s83,plain,
    ( ~ spl13_7
    | ~ spl13_21
    | spl13_26 ),
    inference(rat,[],[s23,s77]) ).

cnf(s86,plain,
    spl13_21,
    inference(rat,[],[s18,s7]) ).

cnf(s88,plain,
    spl13_10,
    inference(rat,[],[s6,s7]) ).

cnf(s89,plain,
    spl13_5,
    inference(rat,[],[s9,s7,s88]) ).

cnf(s91,plain,
    ( ~ spl13_7
    | spl13_9 ),
    inference(rat,[],[s5,s7]) ).

cnf(s92,plain,
    spl13_7,
    inference(rat,[],[s4,s7]) ).

cnf(s93,plain,
    spl13_26,
    inference(rat,[],[s83,s86,s92]) ).

cnf(s94,plain,
    spl13_9,
    inference(rat,[],[s91,s92]) ).

cnf(s95,plain,
    ~ spl13_2,
    inference(rat,[],[s82,s93,s89,s94]) ).

cnf(s96,plain,
    spl13_4,
    inference(rat,[],[s2,s78,s95]) ).

cnf(s97,plain,
    ~ spl13_1,
    inference(rat,[],[s80,s96]) ).

cnf(s98,plain,
    $false,
    inference(rat,[],[s1,s78,s95,s97]) ).

fof(f702,plain,
    $false,
    inference(avatar_sat_refutation,[],[s98]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : GRA004+1 : TPTP v9.3.1. Bugfixed v3.2.0.
% 0.00/0.06  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.37  % Computer : n014.cluster.edu
% 0.12/0.37  % Model    : x86_64 x86_64
% 0.12/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.37  % Memory   : 8046.5625MB
% 0.12/0.37  % OS       : Linux 6.8.0-71-generic
% 0.12/0.37  % CPULimit : 300
% 0.12/0.37  % WCLimit  : 300
% 0.12/0.37  % DateTime : Sun Sep 27 08:45:47 UTC 2026
% 0.12/0.37  % CPUTime  : 
% 0.12/0.37  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.40  Running first-order model finding
% 0.12/0.40  Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.38/0.48  % (509715)Will run a generic schedule for satisfiability detection.
% 0.38/0.48  % (509724)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=546753381:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.38/0.48  % (509720)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=2908737673_2999 on theBenchmark for (2999ds/0Mi)
% 0.38/0.48  % (509723)dis+10_1_sil=32000:sp=arity:random_seed=511862119:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.38/0.48  % (509722)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=771171598:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.38/0.48  % (509725)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=1946109438:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.38/0.48  % (509726)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=1676821672:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.38/0.48  % TRYING [1]
% 0.38/0.48  % (509721)% WARNING: option uhcvi not known.
% 0.38/0.48  % TRYING [2]
% 0.38/0.48  % TRYING [3]
% 0.38/0.48  % (509721)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=1214414092:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.38/0.48  % TRYING [4]
% 0.38/0.48  % (509721) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-509715-509721"...
% 0.38/0.48  % (509724)Instruction limit reached! 
% 0.38/0.48  % (509724)------------------------------
% 0.38/0.48  % (509724)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.38/0.48  % (509724)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.38/0.48  % (509724)CaDiCaL version: 2.1.3
% 0.38/0.48  % (509724)Termination reason: Instruction limit
% 0.38/0.48  % (509724)Termination phase: Saturation
% 0.38/0.48  % (509724)Time elapsed: 0.040 s
% 0.38/0.48  % (509724)Peak memory usage: 13 MB
% 0.38/0.48  % (509724)Instructions burned: 118 (million)
% 0.38/0.48  % (509721)...printing done.
% 0.38/0.48  % (509721)Refutation found. Thanks to Tanya!
% 0.38/0.48  % SZS status Theorem for theBenchmark
% 0.38/0.48  % SZS output start Proof for theBenchmark
% See solution above
% 0.38/0.48  % (509721)------------------------------
% 0.38/0.48  % (509721)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.38/0.48  % (509721)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.38/0.48  % (509721)CaDiCaL version: 2.1.3
% 0.38/0.48  % (509721)Termination reason: Refutation
% 0.38/0.48  % (509721)Time elapsed: 0.021 s
% 0.38/0.48  % (509721)Peak memory usage: 13 MB
% 0.38/0.48  % (509721)Instructions burned: 23 (million)
% 0.38/0.48  % (509715)Success in time 0.068 s
% 0.38/0.48  % Vampire exiting
%------------------------------------------------------------------------------