TSTP Solution File: GRA009+2 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : GRA009+2 : TPTP v5.0.0. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art11.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 3.00GHz @ 3000MHz
% Memory   : 2006MB
% OS       : Linux 2.6.31.5-127.fc12.i686.PAE
% CPULimit : 300s
% DateTime : Sat Dec 25 10:01:29 EST 2010

% Result   : Theorem 6.12s
% Output   : CNFRefutation 6.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   89
%            Number of leaves      :   12
% Syntax   : Number of formulae    :  338 (  25 unt;   0 def)
%            Number of atoms       : 1582 ( 671 equ)
%            Maximal formula atoms :   37 (   4 avg)
%            Number of connectives : 1951 ( 707   ~;1047   |; 165   &)
%                                         (   7 <=>;  22  =>;   1  <=;   2 <~>)
%            Maximal formula depth :   17 (   6 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :   14 (  12 usr;   4 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;   5 con; 0-5 aty)
%            Number of variables   :  492 (  33 sgn 190   !;  26   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1] :
      ( edge(X1)
     => ( vertex(head_of(X1))
        & vertex(tail_of(X1)) ) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',edge_ends_are_vertices) ).

fof(2,axiom,
    ! [X2,X3] :
      ( sequential(X2,X3)
    <=> ( edge(X2)
        & edge(X3)
        & X2 != X3
        & head_of(X2) = tail_of(X3) ) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',sequential_defn) ).

fof(3,axiom,
    ! [X1] :
      ( edge(X1)
     => head_of(X1) != tail_of(X1) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',no_loops) ).

fof(4,axiom,
    ! [X4,X5,X6] :
      ( shortest_path(X4,X5,X6)
    <=> ( path(X4,X5,X6)
        & X4 != X5
        & ! [X7] :
            ( path(X4,X5,X7)
           => less_or_equal(length_of(X6),length_of(X7)) ) ) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',shortest_path_defn) ).

fof(5,axiom,
    ( complete
   => ! [X4,X5] :
        ( ( vertex(X4)
          & vertex(X5)
          & X4 != X5 )
       => ? [X1] :
            ( edge(X1)
            & ( ( X4 = head_of(X1)
                & X5 = tail_of(X1) )
            <~> ( X5 = head_of(X1)
                & X4 = tail_of(X1) ) ) ) ) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',complete_properties) ).

fof(6,axiom,
    ! [X7,X4,X5] :
      ( path(X4,X5,X7)
     => ! [X2,X3] :
          ( precedes(X2,X3,X7)
         => ( on_path(X2,X7)
            & on_path(X3,X7)
            & ( sequential(X2,X3)
            <~> ? [X8] :
                  ( sequential(X2,X8)
                  & precedes(X8,X3,X7) ) ) ) ) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',precedes_properties) ).

fof(7,axiom,
    ! [X4,X5,X2,X3,X7] :
      ( ( shortest_path(X4,X5,X7)
        & precedes(X2,X3,X7) )
     => ( ~ ? [X8] :
              ( tail_of(X8) = tail_of(X2)
              & head_of(X8) = head_of(X3) )
        & ~ precedes(X3,X2,X7) ) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',shortest_path_properties) ).

fof(8,axiom,
    ! [X7,X4,X5] :
      ( path(X4,X5,X7)
     => ! [X2,X3] :
          ( precedes(X2,X3,X7)
         <= ( on_path(X2,X7)
            & on_path(X3,X7)
            & ( sequential(X2,X3)
              | ? [X8] :
                  ( sequential(X2,X8)
                  & precedes(X8,X3,X7) ) ) ) ) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',precedes_defn) ).

fof(12,conjecture,
    ( complete
   => ! [X7,X4,X5] :
        ( shortest_path(X4,X5,X7)
       => ! [X2,X3] :
            ( ( on_path(X2,X7)
              & on_path(X3,X7)
              & sequential(X2,X3) )
           => ? [X8] : triangle(X2,X3,X8) ) ) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',complete_means_path_means_stuff_means_triangles) ).

fof(14,axiom,
    ! [X2,X3,X8] :
      ( triangle(X2,X3,X8)
    <=> ( edge(X2)
        & edge(X3)
        & edge(X8)
        & sequential(X2,X3)
        & sequential(X3,X8)
        & sequential(X8,X2) ) ),
    file('/tmp/tmphh_FrT/sel_GRA009+2.p_1',triangle_defn) ).

fof(15,negated_conjecture,
    ~ ( complete
     => ! [X7,X4,X5] :
          ( shortest_path(X4,X5,X7)
         => ! [X2,X3] :
              ( ( on_path(X2,X7)
                & on_path(X3,X7)
                & sequential(X2,X3) )
             => ? [X8] : triangle(X2,X3,X8) ) ) ),
    inference(assume_negation,[status(cth)],[12]) ).

fof(16,plain,
    ( complete
   => ! [X4,X5] :
        ( ( vertex(X4)
          & vertex(X5)
          & X4 != X5 )
       => ? [X1] :
            ( edge(X1)
            & ~ ( ( X4 = head_of(X1)
                  & X5 = tail_of(X1) )
              <=> ( X5 = head_of(X1)
                  & X4 = tail_of(X1) ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[5,theory(equality)]) ).

fof(17,plain,
    ! [X7,X4,X5] :
      ( path(X4,X5,X7)
     => ! [X2,X3] :
          ( precedes(X2,X3,X7)
         => ( on_path(X2,X7)
            & on_path(X3,X7)
            & ~ ( sequential(X2,X3)
              <=> ? [X8] :
                    ( sequential(X2,X8)
                    & precedes(X8,X3,X7) ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[6,theory(equality)]) ).

fof(18,plain,
    ! [X4,X5,X2,X3,X7] :
      ( ( shortest_path(X4,X5,X7)
        & precedes(X2,X3,X7) )
     => ( ~ ? [X8] :
              ( tail_of(X8) = tail_of(X2)
              & head_of(X8) = head_of(X3) )
        & ~ precedes(X3,X2,X7) ) ),
    inference(fof_simplification,[status(thm)],[7,theory(equality)]) ).

fof(19,plain,
    ! [X7,X4,X5] :
      ( path(X4,X5,X7)
     => ! [X2,X3] :
          ( ( on_path(X2,X7)
            & on_path(X3,X7)
            & ( sequential(X2,X3)
              | ? [X8] :
                  ( sequential(X2,X8)
                  & precedes(X8,X3,X7) ) ) )
         => precedes(X2,X3,X7) ) ),
    inference(fof_simplification,[status(thm)],[8,theory(equality)]) ).

fof(20,plain,
    ! [X1] :
      ( ~ edge(X1)
      | ( vertex(head_of(X1))
        & vertex(tail_of(X1)) ) ),
    inference(fof_nnf,[status(thm)],[1]) ).

fof(21,plain,
    ! [X2] :
      ( ~ edge(X2)
      | ( vertex(head_of(X2))
        & vertex(tail_of(X2)) ) ),
    inference(variable_rename,[status(thm)],[20]) ).

fof(22,plain,
    ! [X2] :
      ( ( vertex(head_of(X2))
        | ~ edge(X2) )
      & ( vertex(tail_of(X2))
        | ~ edge(X2) ) ),
    inference(distribute,[status(thm)],[21]) ).

cnf(23,plain,
    ( vertex(tail_of(X1))
    | ~ edge(X1) ),
    inference(split_conjunct,[status(thm)],[22]) ).

cnf(24,plain,
    ( vertex(head_of(X1))
    | ~ edge(X1) ),
    inference(split_conjunct,[status(thm)],[22]) ).

fof(25,plain,
    ! [X2,X3] :
      ( ( ~ sequential(X2,X3)
        | ( edge(X2)
          & edge(X3)
          & X2 != X3
          & head_of(X2) = tail_of(X3) ) )
      & ( ~ edge(X2)
        | ~ edge(X3)
        | X2 = X3
        | head_of(X2) != tail_of(X3)
        | sequential(X2,X3) ) ),
    inference(fof_nnf,[status(thm)],[2]) ).

fof(26,plain,
    ! [X4,X5] :
      ( ( ~ sequential(X4,X5)
        | ( edge(X4)
          & edge(X5)
          & X4 != X5
          & head_of(X4) = tail_of(X5) ) )
      & ( ~ edge(X4)
        | ~ edge(X5)
        | X4 = X5
        | head_of(X4) != tail_of(X5)
        | sequential(X4,X5) ) ),
    inference(variable_rename,[status(thm)],[25]) ).

fof(27,plain,
    ! [X4,X5] :
      ( ( edge(X4)
        | ~ sequential(X4,X5) )
      & ( edge(X5)
        | ~ sequential(X4,X5) )
      & ( X4 != X5
        | ~ sequential(X4,X5) )
      & ( head_of(X4) = tail_of(X5)
        | ~ sequential(X4,X5) )
      & ( ~ edge(X4)
        | ~ edge(X5)
        | X4 = X5
        | head_of(X4) != tail_of(X5)
        | sequential(X4,X5) ) ),
    inference(distribute,[status(thm)],[26]) ).

cnf(28,plain,
    ( sequential(X1,X2)
    | X1 = X2
    | head_of(X1) != tail_of(X2)
    | ~ edge(X2)
    | ~ edge(X1) ),
    inference(split_conjunct,[status(thm)],[27]) ).

cnf(29,plain,
    ( head_of(X1) = tail_of(X2)
    | ~ sequential(X1,X2) ),
    inference(split_conjunct,[status(thm)],[27]) ).

cnf(30,plain,
    ( ~ sequential(X1,X2)
    | X1 != X2 ),
    inference(split_conjunct,[status(thm)],[27]) ).

cnf(31,plain,
    ( edge(X2)
    | ~ sequential(X1,X2) ),
    inference(split_conjunct,[status(thm)],[27]) ).

cnf(32,plain,
    ( edge(X1)
    | ~ sequential(X1,X2) ),
    inference(split_conjunct,[status(thm)],[27]) ).

fof(33,plain,
    ! [X1] :
      ( ~ edge(X1)
      | head_of(X1) != tail_of(X1) ),
    inference(fof_nnf,[status(thm)],[3]) ).

fof(34,plain,
    ! [X2] :
      ( ~ edge(X2)
      | head_of(X2) != tail_of(X2) ),
    inference(variable_rename,[status(thm)],[33]) ).

cnf(35,plain,
    ( head_of(X1) != tail_of(X1)
    | ~ edge(X1) ),
    inference(split_conjunct,[status(thm)],[34]) ).

fof(36,plain,
    ! [X4,X5,X6] :
      ( ( ~ shortest_path(X4,X5,X6)
        | ( path(X4,X5,X6)
          & X4 != X5
          & ! [X7] :
              ( ~ path(X4,X5,X7)
              | less_or_equal(length_of(X6),length_of(X7)) ) ) )
      & ( ~ path(X4,X5,X6)
        | X4 = X5
        | ? [X7] :
            ( path(X4,X5,X7)
            & ~ less_or_equal(length_of(X6),length_of(X7)) )
        | shortest_path(X4,X5,X6) ) ),
    inference(fof_nnf,[status(thm)],[4]) ).

fof(37,plain,
    ! [X8,X9,X10] :
      ( ( ~ shortest_path(X8,X9,X10)
        | ( path(X8,X9,X10)
          & X8 != X9
          & ! [X11] :
              ( ~ path(X8,X9,X11)
              | less_or_equal(length_of(X10),length_of(X11)) ) ) )
      & ( ~ path(X8,X9,X10)
        | X8 = X9
        | ? [X12] :
            ( path(X8,X9,X12)
            & ~ less_or_equal(length_of(X10),length_of(X12)) )
        | shortest_path(X8,X9,X10) ) ),
    inference(variable_rename,[status(thm)],[36]) ).

fof(38,plain,
    ! [X8,X9,X10] :
      ( ( ~ shortest_path(X8,X9,X10)
        | ( path(X8,X9,X10)
          & X8 != X9
          & ! [X11] :
              ( ~ path(X8,X9,X11)
              | less_or_equal(length_of(X10),length_of(X11)) ) ) )
      & ( ~ path(X8,X9,X10)
        | X8 = X9
        | ( path(X8,X9,esk1_3(X8,X9,X10))
          & ~ less_or_equal(length_of(X10),length_of(esk1_3(X8,X9,X10))) )
        | shortest_path(X8,X9,X10) ) ),
    inference(skolemize,[status(esa)],[37]) ).

fof(39,plain,
    ! [X8,X9,X10,X11] :
      ( ( ( ( ~ path(X8,X9,X11)
            | less_or_equal(length_of(X10),length_of(X11)) )
          & path(X8,X9,X10)
          & X8 != X9 )
        | ~ shortest_path(X8,X9,X10) )
      & ( ~ path(X8,X9,X10)
        | X8 = X9
        | ( path(X8,X9,esk1_3(X8,X9,X10))
          & ~ less_or_equal(length_of(X10),length_of(esk1_3(X8,X9,X10))) )
        | shortest_path(X8,X9,X10) ) ),
    inference(shift_quantors,[status(thm)],[38]) ).

fof(40,plain,
    ! [X8,X9,X10,X11] :
      ( ( ~ path(X8,X9,X11)
        | less_or_equal(length_of(X10),length_of(X11))
        | ~ shortest_path(X8,X9,X10) )
      & ( path(X8,X9,X10)
        | ~ shortest_path(X8,X9,X10) )
      & ( X8 != X9
        | ~ shortest_path(X8,X9,X10) )
      & ( path(X8,X9,esk1_3(X8,X9,X10))
        | ~ path(X8,X9,X10)
        | X8 = X9
        | shortest_path(X8,X9,X10) )
      & ( ~ less_or_equal(length_of(X10),length_of(esk1_3(X8,X9,X10)))
        | ~ path(X8,X9,X10)
        | X8 = X9
        | shortest_path(X8,X9,X10) ) ),
    inference(distribute,[status(thm)],[39]) ).

cnf(44,plain,
    ( path(X1,X2,X3)
    | ~ shortest_path(X1,X2,X3) ),
    inference(split_conjunct,[status(thm)],[40]) ).

fof(46,plain,
    ( ~ complete
    | ! [X4,X5] :
        ( ~ vertex(X4)
        | ~ vertex(X5)
        | X4 = X5
        | ? [X1] :
            ( edge(X1)
            & ( X4 != head_of(X1)
              | X5 != tail_of(X1)
              | X5 != head_of(X1)
              | X4 != tail_of(X1) )
            & ( ( X4 = head_of(X1)
                & X5 = tail_of(X1) )
              | ( X5 = head_of(X1)
                & X4 = tail_of(X1) ) ) ) ) ),
    inference(fof_nnf,[status(thm)],[16]) ).

fof(47,plain,
    ( ~ complete
    | ! [X6,X7] :
        ( ~ vertex(X6)
        | ~ vertex(X7)
        | X6 = X7
        | ? [X8] :
            ( edge(X8)
            & ( X6 != head_of(X8)
              | X7 != tail_of(X8)
              | X7 != head_of(X8)
              | X6 != tail_of(X8) )
            & ( ( X6 = head_of(X8)
                & X7 = tail_of(X8) )
              | ( X7 = head_of(X8)
                & X6 = tail_of(X8) ) ) ) ) ),
    inference(variable_rename,[status(thm)],[46]) ).

fof(48,plain,
    ( ~ complete
    | ! [X6,X7] :
        ( ~ vertex(X6)
        | ~ vertex(X7)
        | X6 = X7
        | ( edge(esk2_2(X6,X7))
          & ( X6 != head_of(esk2_2(X6,X7))
            | X7 != tail_of(esk2_2(X6,X7))
            | X7 != head_of(esk2_2(X6,X7))
            | X6 != tail_of(esk2_2(X6,X7)) )
          & ( ( X6 = head_of(esk2_2(X6,X7))
              & X7 = tail_of(esk2_2(X6,X7)) )
            | ( X7 = head_of(esk2_2(X6,X7))
              & X6 = tail_of(esk2_2(X6,X7)) ) ) ) ) ),
    inference(skolemize,[status(esa)],[47]) ).

fof(49,plain,
    ! [X6,X7] :
      ( ~ vertex(X6)
      | ~ vertex(X7)
      | X6 = X7
      | ( edge(esk2_2(X6,X7))
        & ( X6 != head_of(esk2_2(X6,X7))
          | X7 != tail_of(esk2_2(X6,X7))
          | X7 != head_of(esk2_2(X6,X7))
          | X6 != tail_of(esk2_2(X6,X7)) )
        & ( ( X6 = head_of(esk2_2(X6,X7))
            & X7 = tail_of(esk2_2(X6,X7)) )
          | ( X7 = head_of(esk2_2(X6,X7))
            & X6 = tail_of(esk2_2(X6,X7)) ) ) )
      | ~ complete ),
    inference(shift_quantors,[status(thm)],[48]) ).

fof(50,plain,
    ! [X6,X7] :
      ( ( edge(esk2_2(X6,X7))
        | ~ vertex(X6)
        | ~ vertex(X7)
        | X6 = X7
        | ~ complete )
      & ( X6 != head_of(esk2_2(X6,X7))
        | X7 != tail_of(esk2_2(X6,X7))
        | X7 != head_of(esk2_2(X6,X7))
        | X6 != tail_of(esk2_2(X6,X7))
        | ~ vertex(X6)
        | ~ vertex(X7)
        | X6 = X7
        | ~ complete )
      & ( X7 = head_of(esk2_2(X6,X7))
        | X6 = head_of(esk2_2(X6,X7))
        | ~ vertex(X6)
        | ~ vertex(X7)
        | X6 = X7
        | ~ complete )
      & ( X6 = tail_of(esk2_2(X6,X7))
        | X6 = head_of(esk2_2(X6,X7))
        | ~ vertex(X6)
        | ~ vertex(X7)
        | X6 = X7
        | ~ complete )
      & ( X7 = head_of(esk2_2(X6,X7))
        | X7 = tail_of(esk2_2(X6,X7))
        | ~ vertex(X6)
        | ~ vertex(X7)
        | X6 = X7
        | ~ complete )
      & ( X6 = tail_of(esk2_2(X6,X7))
        | X7 = tail_of(esk2_2(X6,X7))
        | ~ vertex(X6)
        | ~ vertex(X7)
        | X6 = X7
        | ~ complete ) ),
    inference(distribute,[status(thm)],[49]) ).

cnf(51,plain,
    ( X1 = X2
    | X2 = tail_of(esk2_2(X1,X2))
    | X1 = tail_of(esk2_2(X1,X2))
    | ~ complete
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(split_conjunct,[status(thm)],[50]) ).

cnf(52,plain,
    ( X1 = X2
    | X2 = tail_of(esk2_2(X1,X2))
    | X2 = head_of(esk2_2(X1,X2))
    | ~ complete
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(split_conjunct,[status(thm)],[50]) ).

cnf(53,plain,
    ( X1 = X2
    | X1 = head_of(esk2_2(X1,X2))
    | X1 = tail_of(esk2_2(X1,X2))
    | ~ complete
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(split_conjunct,[status(thm)],[50]) ).

cnf(54,plain,
    ( X1 = X2
    | X1 = head_of(esk2_2(X1,X2))
    | X2 = head_of(esk2_2(X1,X2))
    | ~ complete
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(split_conjunct,[status(thm)],[50]) ).

cnf(56,plain,
    ( X1 = X2
    | edge(esk2_2(X1,X2))
    | ~ complete
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(split_conjunct,[status(thm)],[50]) ).

fof(57,plain,
    ! [X7,X4,X5] :
      ( ~ path(X4,X5,X7)
      | ! [X2,X3] :
          ( ~ precedes(X2,X3,X7)
          | ( on_path(X2,X7)
            & on_path(X3,X7)
            & ( ~ sequential(X2,X3)
              | ! [X8] :
                  ( ~ sequential(X2,X8)
                  | ~ precedes(X8,X3,X7) ) )
            & ( sequential(X2,X3)
              | ? [X8] :
                  ( sequential(X2,X8)
                  & precedes(X8,X3,X7) ) ) ) ) ),
    inference(fof_nnf,[status(thm)],[17]) ).

fof(58,plain,
    ! [X9,X10,X11] :
      ( ~ path(X10,X11,X9)
      | ! [X12,X13] :
          ( ~ precedes(X12,X13,X9)
          | ( on_path(X12,X9)
            & on_path(X13,X9)
            & ( ~ sequential(X12,X13)
              | ! [X14] :
                  ( ~ sequential(X12,X14)
                  | ~ precedes(X14,X13,X9) ) )
            & ( sequential(X12,X13)
              | ? [X15] :
                  ( sequential(X12,X15)
                  & precedes(X15,X13,X9) ) ) ) ) ),
    inference(variable_rename,[status(thm)],[57]) ).

fof(59,plain,
    ! [X9,X10,X11] :
      ( ~ path(X10,X11,X9)
      | ! [X12,X13] :
          ( ~ precedes(X12,X13,X9)
          | ( on_path(X12,X9)
            & on_path(X13,X9)
            & ( ~ sequential(X12,X13)
              | ! [X14] :
                  ( ~ sequential(X12,X14)
                  | ~ precedes(X14,X13,X9) ) )
            & ( sequential(X12,X13)
              | ( sequential(X12,esk3_5(X9,X10,X11,X12,X13))
                & precedes(esk3_5(X9,X10,X11,X12,X13),X13,X9) ) ) ) ) ),
    inference(skolemize,[status(esa)],[58]) ).

fof(60,plain,
    ! [X9,X10,X11,X12,X13,X14] :
      ( ( ( ~ sequential(X12,X14)
          | ~ precedes(X14,X13,X9)
          | ~ sequential(X12,X13) )
        & ( sequential(X12,X13)
          | ( sequential(X12,esk3_5(X9,X10,X11,X12,X13))
            & precedes(esk3_5(X9,X10,X11,X12,X13),X13,X9) ) )
        & on_path(X12,X9)
        & on_path(X13,X9) )
      | ~ precedes(X12,X13,X9)
      | ~ path(X10,X11,X9) ),
    inference(shift_quantors,[status(thm)],[59]) ).

fof(61,plain,
    ! [X9,X10,X11,X12,X13,X14] :
      ( ( ~ sequential(X12,X14)
        | ~ precedes(X14,X13,X9)
        | ~ sequential(X12,X13)
        | ~ precedes(X12,X13,X9)
        | ~ path(X10,X11,X9) )
      & ( sequential(X12,esk3_5(X9,X10,X11,X12,X13))
        | sequential(X12,X13)
        | ~ precedes(X12,X13,X9)
        | ~ path(X10,X11,X9) )
      & ( precedes(esk3_5(X9,X10,X11,X12,X13),X13,X9)
        | sequential(X12,X13)
        | ~ precedes(X12,X13,X9)
        | ~ path(X10,X11,X9) )
      & ( on_path(X12,X9)
        | ~ precedes(X12,X13,X9)
        | ~ path(X10,X11,X9) )
      & ( on_path(X13,X9)
        | ~ precedes(X12,X13,X9)
        | ~ path(X10,X11,X9) ) ),
    inference(distribute,[status(thm)],[60]) ).

cnf(62,plain,
    ( on_path(X5,X3)
    | ~ path(X1,X2,X3)
    | ~ precedes(X4,X5,X3) ),
    inference(split_conjunct,[status(thm)],[61]) ).

cnf(63,plain,
    ( on_path(X4,X3)
    | ~ path(X1,X2,X3)
    | ~ precedes(X4,X5,X3) ),
    inference(split_conjunct,[status(thm)],[61]) ).

cnf(64,plain,
    ( sequential(X4,X5)
    | precedes(esk3_5(X3,X1,X2,X4,X5),X5,X3)
    | ~ path(X1,X2,X3)
    | ~ precedes(X4,X5,X3) ),
    inference(split_conjunct,[status(thm)],[61]) ).

cnf(65,plain,
    ( sequential(X4,X5)
    | sequential(X4,esk3_5(X3,X1,X2,X4,X5))
    | ~ path(X1,X2,X3)
    | ~ precedes(X4,X5,X3) ),
    inference(split_conjunct,[status(thm)],[61]) ).

fof(67,plain,
    ! [X4,X5,X2,X3,X7] :
      ( ~ shortest_path(X4,X5,X7)
      | ~ precedes(X2,X3,X7)
      | ( ! [X8] :
            ( tail_of(X8) != tail_of(X2)
            | head_of(X8) != head_of(X3) )
        & ~ precedes(X3,X2,X7) ) ),
    inference(fof_nnf,[status(thm)],[18]) ).

fof(68,plain,
    ! [X9,X10,X11,X12,X13] :
      ( ~ shortest_path(X9,X10,X13)
      | ~ precedes(X11,X12,X13)
      | ( ! [X14] :
            ( tail_of(X14) != tail_of(X11)
            | head_of(X14) != head_of(X12) )
        & ~ precedes(X12,X11,X13) ) ),
    inference(variable_rename,[status(thm)],[67]) ).

fof(69,plain,
    ! [X9,X10,X11,X12,X13,X14] :
      ( ( ( tail_of(X14) != tail_of(X11)
          | head_of(X14) != head_of(X12) )
        & ~ precedes(X12,X11,X13) )
      | ~ shortest_path(X9,X10,X13)
      | ~ precedes(X11,X12,X13) ),
    inference(shift_quantors,[status(thm)],[68]) ).

fof(70,plain,
    ! [X9,X10,X11,X12,X13,X14] :
      ( ( tail_of(X14) != tail_of(X11)
        | head_of(X14) != head_of(X12)
        | ~ shortest_path(X9,X10,X13)
        | ~ precedes(X11,X12,X13) )
      & ( ~ precedes(X12,X11,X13)
        | ~ shortest_path(X9,X10,X13)
        | ~ precedes(X11,X12,X13) ) ),
    inference(distribute,[status(thm)],[69]) ).

cnf(71,plain,
    ( ~ precedes(X1,X2,X3)
    | ~ shortest_path(X4,X5,X3)
    | ~ precedes(X2,X1,X3) ),
    inference(split_conjunct,[status(thm)],[70]) ).

cnf(72,plain,
    ( ~ precedes(X1,X2,X3)
    | ~ shortest_path(X4,X5,X3)
    | head_of(X6) != head_of(X2)
    | tail_of(X6) != tail_of(X1) ),
    inference(split_conjunct,[status(thm)],[70]) ).

fof(73,plain,
    ! [X7,X4,X5] :
      ( ~ path(X4,X5,X7)
      | ! [X2,X3] :
          ( ~ on_path(X2,X7)
          | ~ on_path(X3,X7)
          | ( ~ sequential(X2,X3)
            & ! [X8] :
                ( ~ sequential(X2,X8)
                | ~ precedes(X8,X3,X7) ) )
          | precedes(X2,X3,X7) ) ),
    inference(fof_nnf,[status(thm)],[19]) ).

fof(74,plain,
    ! [X9,X10,X11] :
      ( ~ path(X10,X11,X9)
      | ! [X12,X13] :
          ( ~ on_path(X12,X9)
          | ~ on_path(X13,X9)
          | ( ~ sequential(X12,X13)
            & ! [X14] :
                ( ~ sequential(X12,X14)
                | ~ precedes(X14,X13,X9) ) )
          | precedes(X12,X13,X9) ) ),
    inference(variable_rename,[status(thm)],[73]) ).

fof(75,plain,
    ! [X9,X10,X11,X12,X13,X14] :
      ( ( ( ~ sequential(X12,X14)
          | ~ precedes(X14,X13,X9) )
        & ~ sequential(X12,X13) )
      | ~ on_path(X12,X9)
      | ~ on_path(X13,X9)
      | precedes(X12,X13,X9)
      | ~ path(X10,X11,X9) ),
    inference(shift_quantors,[status(thm)],[74]) ).

fof(76,plain,
    ! [X9,X10,X11,X12,X13,X14] :
      ( ( ~ sequential(X12,X14)
        | ~ precedes(X14,X13,X9)
        | ~ on_path(X12,X9)
        | ~ on_path(X13,X9)
        | precedes(X12,X13,X9)
        | ~ path(X10,X11,X9) )
      & ( ~ sequential(X12,X13)
        | ~ on_path(X12,X9)
        | ~ on_path(X13,X9)
        | precedes(X12,X13,X9)
        | ~ path(X10,X11,X9) ) ),
    inference(distribute,[status(thm)],[75]) ).

cnf(77,plain,
    ( precedes(X4,X5,X3)
    | ~ path(X1,X2,X3)
    | ~ on_path(X5,X3)
    | ~ on_path(X4,X3)
    | ~ sequential(X4,X5) ),
    inference(split_conjunct,[status(thm)],[76]) ).

fof(93,negated_conjecture,
    ( complete
    & ? [X7,X4,X5] :
        ( shortest_path(X4,X5,X7)
        & ? [X2,X3] :
            ( on_path(X2,X7)
            & on_path(X3,X7)
            & sequential(X2,X3)
            & ! [X8] : ~ triangle(X2,X3,X8) ) ) ),
    inference(fof_nnf,[status(thm)],[15]) ).

fof(94,negated_conjecture,
    ( complete
    & ? [X9,X10,X11] :
        ( shortest_path(X10,X11,X9)
        & ? [X12,X13] :
            ( on_path(X12,X9)
            & on_path(X13,X9)
            & sequential(X12,X13)
            & ! [X14] : ~ triangle(X12,X13,X14) ) ) ),
    inference(variable_rename,[status(thm)],[93]) ).

fof(95,negated_conjecture,
    ( complete
    & shortest_path(esk7_0,esk8_0,esk6_0)
    & on_path(esk9_0,esk6_0)
    & on_path(esk10_0,esk6_0)
    & sequential(esk9_0,esk10_0)
    & ! [X14] : ~ triangle(esk9_0,esk10_0,X14) ),
    inference(skolemize,[status(esa)],[94]) ).

fof(96,negated_conjecture,
    ! [X14] :
      ( ~ triangle(esk9_0,esk10_0,X14)
      & on_path(esk9_0,esk6_0)
      & on_path(esk10_0,esk6_0)
      & sequential(esk9_0,esk10_0)
      & shortest_path(esk7_0,esk8_0,esk6_0)
      & complete ),
    inference(shift_quantors,[status(thm)],[95]) ).

cnf(97,negated_conjecture,
    complete,
    inference(split_conjunct,[status(thm)],[96]) ).

cnf(98,negated_conjecture,
    shortest_path(esk7_0,esk8_0,esk6_0),
    inference(split_conjunct,[status(thm)],[96]) ).

cnf(99,negated_conjecture,
    sequential(esk9_0,esk10_0),
    inference(split_conjunct,[status(thm)],[96]) ).

cnf(100,negated_conjecture,
    on_path(esk10_0,esk6_0),
    inference(split_conjunct,[status(thm)],[96]) ).

cnf(101,negated_conjecture,
    on_path(esk9_0,esk6_0),
    inference(split_conjunct,[status(thm)],[96]) ).

cnf(102,negated_conjecture,
    ~ triangle(esk9_0,esk10_0,X1),
    inference(split_conjunct,[status(thm)],[96]) ).

fof(106,plain,
    ! [X2,X3,X8] :
      ( ( ~ triangle(X2,X3,X8)
        | ( edge(X2)
          & edge(X3)
          & edge(X8)
          & sequential(X2,X3)
          & sequential(X3,X8)
          & sequential(X8,X2) ) )
      & ( ~ edge(X2)
        | ~ edge(X3)
        | ~ edge(X8)
        | ~ sequential(X2,X3)
        | ~ sequential(X3,X8)
        | ~ sequential(X8,X2)
        | triangle(X2,X3,X8) ) ),
    inference(fof_nnf,[status(thm)],[14]) ).

fof(107,plain,
    ! [X9,X10,X11] :
      ( ( ~ triangle(X9,X10,X11)
        | ( edge(X9)
          & edge(X10)
          & edge(X11)
          & sequential(X9,X10)
          & sequential(X10,X11)
          & sequential(X11,X9) ) )
      & ( ~ edge(X9)
        | ~ edge(X10)
        | ~ edge(X11)
        | ~ sequential(X9,X10)
        | ~ sequential(X10,X11)
        | ~ sequential(X11,X9)
        | triangle(X9,X10,X11) ) ),
    inference(variable_rename,[status(thm)],[106]) ).

fof(108,plain,
    ! [X9,X10,X11] :
      ( ( edge(X9)
        | ~ triangle(X9,X10,X11) )
      & ( edge(X10)
        | ~ triangle(X9,X10,X11) )
      & ( edge(X11)
        | ~ triangle(X9,X10,X11) )
      & ( sequential(X9,X10)
        | ~ triangle(X9,X10,X11) )
      & ( sequential(X10,X11)
        | ~ triangle(X9,X10,X11) )
      & ( sequential(X11,X9)
        | ~ triangle(X9,X10,X11) )
      & ( ~ edge(X9)
        | ~ edge(X10)
        | ~ edge(X11)
        | ~ sequential(X9,X10)
        | ~ sequential(X10,X11)
        | ~ sequential(X11,X9)
        | triangle(X9,X10,X11) ) ),
    inference(distribute,[status(thm)],[107]) ).

cnf(109,plain,
    ( triangle(X1,X2,X3)
    | ~ sequential(X3,X1)
    | ~ sequential(X2,X3)
    | ~ sequential(X1,X2)
    | ~ edge(X3)
    | ~ edge(X2)
    | ~ edge(X1) ),
    inference(split_conjunct,[status(thm)],[108]) ).

cnf(116,negated_conjecture,
    edge(esk10_0),
    inference(spm,[status(thm)],[31,99,theory(equality)]) ).

cnf(117,negated_conjecture,
    edge(esk9_0),
    inference(spm,[status(thm)],[32,99,theory(equality)]) ).

cnf(118,plain,
    ~ sequential(X1,X1),
    inference(er,[status(thm)],[30,theory(equality)]) ).

cnf(120,negated_conjecture,
    tail_of(esk10_0) = head_of(esk9_0),
    inference(spm,[status(thm)],[29,99,theory(equality)]) ).

cnf(121,negated_conjecture,
    path(esk7_0,esk8_0,esk6_0),
    inference(spm,[status(thm)],[44,98,theory(equality)]) ).

cnf(122,plain,
    ( X1 = X2
    | edge(esk2_2(X1,X2))
    | $false
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(rw,[status(thm)],[56,97,theory(equality)]) ).

cnf(123,plain,
    ( X1 = X2
    | edge(esk2_2(X1,X2))
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(cn,[status(thm)],[122,theory(equality)]) ).

cnf(124,plain,
    ( triangle(X1,X2,X3)
    | ~ sequential(X3,X1)
    | ~ sequential(X2,X3)
    | ~ sequential(X1,X2)
    | ~ edge(X3)
    | ~ edge(X2) ),
    inference(csr,[status(thm)],[109,32]) ).

cnf(125,plain,
    ( triangle(X1,X2,X3)
    | ~ sequential(X3,X1)
    | ~ sequential(X2,X3)
    | ~ sequential(X1,X2)
    | ~ edge(X3) ),
    inference(csr,[status(thm)],[124,32]) ).

cnf(126,plain,
    ( triangle(X1,X2,X3)
    | ~ sequential(X3,X1)
    | ~ sequential(X2,X3)
    | ~ sequential(X1,X2) ),
    inference(csr,[status(thm)],[125,32]) ).

cnf(127,negated_conjecture,
    ( ~ sequential(X1,esk9_0)
    | ~ sequential(esk10_0,X1)
    | ~ sequential(esk9_0,esk10_0) ),
    inference(spm,[status(thm)],[102,126,theory(equality)]) ).

cnf(134,negated_conjecture,
    ( ~ sequential(X1,esk9_0)
    | ~ sequential(esk10_0,X1)
    | $false ),
    inference(rw,[status(thm)],[127,99,theory(equality)]) ).

cnf(135,negated_conjecture,
    ( ~ sequential(X1,esk9_0)
    | ~ sequential(esk10_0,X1) ),
    inference(cn,[status(thm)],[134,theory(equality)]) ).

cnf(136,plain,
    ( X1 = X2
    | head_of(esk2_2(X1,X2)) = X2
    | head_of(esk2_2(X1,X2)) = X1
    | $false
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(rw,[status(thm)],[54,97,theory(equality)]) ).

cnf(137,plain,
    ( X1 = X2
    | head_of(esk2_2(X1,X2)) = X2
    | head_of(esk2_2(X1,X2)) = X1
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(cn,[status(thm)],[136,theory(equality)]) ).

cnf(138,plain,
    ( head_of(esk2_2(X1,head_of(X2))) = X1
    | head_of(esk2_2(X1,head_of(X2))) = head_of(X2)
    | X1 = head_of(X2)
    | ~ vertex(X1)
    | ~ edge(X2) ),
    inference(spm,[status(thm)],[137,24,theory(equality)]) ).

cnf(139,plain,
    ( head_of(esk2_2(X1,tail_of(X2))) = X1
    | head_of(esk2_2(X1,tail_of(X2))) = tail_of(X2)
    | X1 = tail_of(X2)
    | ~ vertex(X1)
    | ~ edge(X2) ),
    inference(spm,[status(thm)],[137,23,theory(equality)]) ).

cnf(144,plain,
    ( edge(esk3_5(X1,X2,X3,X4,X5))
    | sequential(X4,X5)
    | ~ precedes(X4,X5,X1)
    | ~ path(X2,X3,X1) ),
    inference(spm,[status(thm)],[31,65,theory(equality)]) ).

cnf(146,plain,
    ( tail_of(esk3_5(X1,X2,X3,X4,X5)) = head_of(X4)
    | sequential(X4,X5)
    | ~ precedes(X4,X5,X1)
    | ~ path(X2,X3,X1) ),
    inference(spm,[status(thm)],[29,65,theory(equality)]) ).

cnf(147,plain,
    ( X1 = X2
    | head_of(esk2_2(X1,X2)) = X2
    | tail_of(esk2_2(X1,X2)) = X2
    | $false
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(rw,[status(thm)],[52,97,theory(equality)]) ).

cnf(148,plain,
    ( X1 = X2
    | head_of(esk2_2(X1,X2)) = X2
    | tail_of(esk2_2(X1,X2)) = X2
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(cn,[status(thm)],[147,theory(equality)]) ).

cnf(151,plain,
    ( esk2_2(X1,X2) = X3
    | sequential(esk2_2(X1,X2),X3)
    | tail_of(esk2_2(X1,X2)) = X2
    | X1 = X2
    | tail_of(X3) != X2
    | ~ edge(X3)
    | ~ edge(esk2_2(X1,X2))
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(spm,[status(thm)],[28,148,theory(equality)]) ).

cnf(154,plain,
    ( X1 = X2
    | head_of(esk2_2(X1,X2)) = X1
    | tail_of(esk2_2(X1,X2)) = X1
    | $false
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(rw,[status(thm)],[53,97,theory(equality)]) ).

cnf(155,plain,
    ( X1 = X2
    | head_of(esk2_2(X1,X2)) = X1
    | tail_of(esk2_2(X1,X2)) = X1
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(cn,[status(thm)],[154,theory(equality)]) ).

cnf(158,plain,
    ( esk2_2(X1,X2) = X3
    | sequential(esk2_2(X1,X2),X3)
    | tail_of(esk2_2(X1,X2)) = X1
    | X1 = X2
    | tail_of(X3) != X1
    | ~ edge(X3)
    | ~ edge(esk2_2(X1,X2))
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(spm,[status(thm)],[28,155,theory(equality)]) ).

cnf(160,plain,
    ( X1 = X2
    | tail_of(esk2_2(X1,X2)) = X2
    | tail_of(esk2_2(X1,X2)) = X1
    | $false
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(rw,[status(thm)],[51,97,theory(equality)]) ).

cnf(161,plain,
    ( X1 = X2
    | tail_of(esk2_2(X1,X2)) = X2
    | tail_of(esk2_2(X1,X2)) = X1
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(cn,[status(thm)],[160,theory(equality)]) ).

cnf(162,plain,
    ( tail_of(esk2_2(X1,head_of(X2))) = X1
    | tail_of(esk2_2(X1,head_of(X2))) = head_of(X2)
    | X1 = head_of(X2)
    | ~ vertex(X1)
    | ~ edge(X2) ),
    inference(spm,[status(thm)],[161,24,theory(equality)]) ).

cnf(163,plain,
    ( tail_of(esk2_2(X1,tail_of(X2))) = X1
    | tail_of(esk2_2(X1,tail_of(X2))) = tail_of(X2)
    | X1 = tail_of(X2)
    | ~ vertex(X1)
    | ~ edge(X2) ),
    inference(spm,[status(thm)],[161,23,theory(equality)]) ).

cnf(168,plain,
    ( on_path(esk3_5(X1,X2,X3,X4,X5),X1)
    | sequential(X4,X5)
    | ~ path(X6,X7,X1)
    | ~ precedes(X4,X5,X1)
    | ~ path(X2,X3,X1) ),
    inference(spm,[status(thm)],[63,64,theory(equality)]) ).

cnf(169,plain,
    ( sequential(X4,X5)
    | ~ precedes(X5,esk3_5(X1,X2,X3,X4,X5),X1)
    | ~ shortest_path(X6,X7,X1)
    | ~ precedes(X4,X5,X1)
    | ~ path(X2,X3,X1) ),
    inference(spm,[status(thm)],[71,64,theory(equality)]) ).

cnf(176,negated_conjecture,
    ( precedes(X1,X2,esk6_0)
    | ~ on_path(X2,esk6_0)
    | ~ on_path(X1,esk6_0)
    | ~ sequential(X1,X2) ),
    inference(spm,[status(thm)],[77,121,theory(equality)]) ).

cnf(178,negated_conjecture,
    ( vertex(tail_of(esk10_0))
    | ~ edge(esk9_0) ),
    inference(spm,[status(thm)],[24,120,theory(equality)]) ).

cnf(179,negated_conjecture,
    ( tail_of(esk10_0) != tail_of(esk9_0)
    | ~ edge(esk9_0) ),
    inference(spm,[status(thm)],[35,120,theory(equality)]) ).

cnf(180,negated_conjecture,
    ( esk9_0 = X1
    | sequential(esk9_0,X1)
    | tail_of(X1) != tail_of(esk10_0)
    | ~ edge(X1)
    | ~ edge(esk9_0) ),
    inference(spm,[status(thm)],[28,120,theory(equality)]) ).

cnf(181,negated_conjecture,
    ( vertex(tail_of(esk10_0))
    | $false ),
    inference(rw,[status(thm)],[178,117,theory(equality)]) ).

cnf(182,negated_conjecture,
    vertex(tail_of(esk10_0)),
    inference(cn,[status(thm)],[181,theory(equality)]) ).

cnf(183,negated_conjecture,
    ( tail_of(esk10_0) != tail_of(esk9_0)
    | $false ),
    inference(rw,[status(thm)],[179,117,theory(equality)]) ).

cnf(184,negated_conjecture,
    tail_of(esk10_0) != tail_of(esk9_0),
    inference(cn,[status(thm)],[183,theory(equality)]) ).

cnf(185,negated_conjecture,
    ( esk9_0 = X1
    | sequential(esk9_0,X1)
    | tail_of(X1) != tail_of(esk10_0)
    | ~ edge(X1)
    | $false ),
    inference(rw,[status(thm)],[180,117,theory(equality)]) ).

cnf(186,negated_conjecture,
    ( esk9_0 = X1
    | sequential(esk9_0,X1)
    | tail_of(X1) != tail_of(esk10_0)
    | ~ edge(X1) ),
    inference(cn,[status(thm)],[185,theory(equality)]) ).

cnf(190,negated_conjecture,
    ( head_of(esk2_2(X1,tail_of(esk10_0))) = X1
    | head_of(esk2_2(X1,tail_of(esk10_0))) = tail_of(esk10_0)
    | X1 = tail_of(esk10_0)
    | ~ vertex(X1) ),
    inference(spm,[status(thm)],[137,182,theory(equality)]) ).

cnf(191,negated_conjecture,
    ( tail_of(esk2_2(X1,tail_of(esk10_0))) = X1
    | tail_of(esk2_2(X1,tail_of(esk10_0))) = tail_of(esk10_0)
    | X1 = tail_of(esk10_0)
    | ~ vertex(X1) ),
    inference(spm,[status(thm)],[161,182,theory(equality)]) ).

cnf(207,negated_conjecture,
    ( precedes(X1,esk9_0,esk6_0)
    | ~ on_path(X1,esk6_0)
    | ~ sequential(X1,esk9_0) ),
    inference(spm,[status(thm)],[176,101,theory(equality)]) ).

cnf(208,negated_conjecture,
    ( precedes(X1,esk10_0,esk6_0)
    | ~ on_path(X1,esk6_0)
    | ~ sequential(X1,esk10_0) ),
    inference(spm,[status(thm)],[176,100,theory(equality)]) ).

cnf(212,negated_conjecture,
    ( precedes(esk10_0,esk9_0,esk6_0)
    | ~ sequential(esk10_0,esk9_0) ),
    inference(spm,[status(thm)],[207,100,theory(equality)]) ).

cnf(217,plain,
    ( head_of(esk2_2(tail_of(X1),head_of(X2))) = head_of(X2)
    | head_of(esk2_2(tail_of(X1),head_of(X2))) = tail_of(X1)
    | tail_of(X1) = head_of(X2)
    | ~ edge(X2)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[138,23,theory(equality)]) ).

cnf(220,negated_conjecture,
    ( ~ precedes(esk9_0,esk10_0,esk6_0)
    | ~ shortest_path(X1,X2,esk6_0)
    | ~ sequential(esk10_0,esk9_0) ),
    inference(spm,[status(thm)],[71,212,theory(equality)]) ).

cnf(226,negated_conjecture,
    ( ~ precedes(esk9_0,esk10_0,esk6_0)
    | ~ sequential(esk10_0,esk9_0) ),
    inference(spm,[status(thm)],[220,98,theory(equality)]) ).

cnf(234,negated_conjecture,
    ( precedes(esk9_0,esk10_0,esk6_0)
    | ~ sequential(esk9_0,esk10_0) ),
    inference(spm,[status(thm)],[208,101,theory(equality)]) ).

cnf(238,negated_conjecture,
    ( precedes(esk9_0,esk10_0,esk6_0)
    | $false ),
    inference(rw,[status(thm)],[234,99,theory(equality)]) ).

cnf(239,negated_conjecture,
    precedes(esk9_0,esk10_0,esk6_0),
    inference(cn,[status(thm)],[238,theory(equality)]) ).

cnf(242,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk10_0),tail_of(X1))) = tail_of(X1)
    | head_of(esk2_2(tail_of(esk10_0),tail_of(X1))) = tail_of(esk10_0)
    | tail_of(esk10_0) = tail_of(X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[139,182,theory(equality)]) ).

cnf(243,plain,
    ( head_of(esk2_2(head_of(X1),tail_of(X2))) = tail_of(X2)
    | head_of(esk2_2(head_of(X1),tail_of(X2))) = head_of(X1)
    | head_of(X1) = tail_of(X2)
    | ~ edge(X2)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[139,24,theory(equality)]) ).

cnf(257,negated_conjecture,
    ( head_of(esk10_0) != head_of(X1)
    | tail_of(esk9_0) != tail_of(X1)
    | ~ shortest_path(X2,X3,esk6_0) ),
    inference(spm,[status(thm)],[72,239,theory(equality)]) ).

cnf(259,negated_conjecture,
    ( $false
    | ~ sequential(esk10_0,esk9_0) ),
    inference(rw,[status(thm)],[226,239,theory(equality)]) ).

cnf(260,negated_conjecture,
    ~ sequential(esk10_0,esk9_0),
    inference(cn,[status(thm)],[259,theory(equality)]) ).

fof(285,plain,
    ( ~ epred5_0
  <=> ! [X1] :
        ( tail_of(esk9_0) != tail_of(X1)
        | head_of(esk10_0) != head_of(X1) ) ),
    introduced(definition),
    [split] ).

cnf(286,plain,
    ( epred5_0
    | tail_of(esk9_0) != tail_of(X1)
    | head_of(esk10_0) != head_of(X1) ),
    inference(split_equiv,[status(thm)],[285]) ).

fof(287,plain,
    ( ~ epred6_0
  <=> ! [X3,X2] : ~ shortest_path(X2,X3,esk6_0) ),
    introduced(definition),
    [split] ).

cnf(288,plain,
    ( epred6_0
    | ~ shortest_path(X2,X3,esk6_0) ),
    inference(split_equiv,[status(thm)],[287]) ).

cnf(289,negated_conjecture,
    ( ~ epred6_0
    | ~ epred5_0 ),
    inference(apply_def,[status(esa)],[inference(apply_def,[status(esa)],[257,285,theory(equality)]),287,theory(equality)]),
    [split] ).

cnf(290,negated_conjecture,
    epred6_0,
    inference(spm,[status(thm)],[288,98,theory(equality)]) ).

cnf(292,negated_conjecture,
    ( $false
    | ~ epred5_0 ),
    inference(rw,[status(thm)],[289,290,theory(equality)]) ).

cnf(293,negated_conjecture,
    ~ epred5_0,
    inference(cn,[status(thm)],[292,theory(equality)]) ).

cnf(296,negated_conjecture,
    ( epred5_0
    | tail_of(esk2_2(X1,X2)) = X1
    | X1 = X2
    | tail_of(esk9_0) != tail_of(esk2_2(X1,X2))
    | head_of(esk10_0) != X1
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(spm,[status(thm)],[286,155,theory(equality)]) ).

cnf(315,negated_conjecture,
    ( tail_of(esk2_2(X1,X2)) = X1
    | X1 = X2
    | tail_of(esk2_2(X1,X2)) != tail_of(esk9_0)
    | head_of(esk10_0) != X1
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(sr,[status(thm)],[296,293,theory(equality)]) ).

cnf(326,negated_conjecture,
    ( esk9_0 = esk3_5(X1,X2,X3,X4,X5)
    | sequential(esk9_0,esk3_5(X1,X2,X3,X4,X5))
    | sequential(X4,X5)
    | head_of(X4) != tail_of(esk10_0)
    | ~ edge(esk3_5(X1,X2,X3,X4,X5))
    | ~ precedes(X4,X5,X1)
    | ~ path(X2,X3,X1) ),
    inference(spm,[status(thm)],[186,146,theory(equality)]) ).

cnf(373,plain,
    ( tail_of(esk2_2(X1,X2)) = X2
    | esk2_2(X1,X2) = X3
    | X1 = X2
    | sequential(esk2_2(X1,X2),X3)
    | tail_of(X3) != X2
    | ~ vertex(X2)
    | ~ vertex(X1)
    | ~ edge(X3) ),
    inference(csr,[status(thm)],[151,123]) ).

cnf(374,plain,
    ( tail_of(esk2_2(X1,tail_of(X2))) = tail_of(X2)
    | esk2_2(X1,tail_of(X2)) = X2
    | X1 = tail_of(X2)
    | sequential(esk2_2(X1,tail_of(X2)),X2)
    | ~ vertex(tail_of(X2))
    | ~ vertex(X1)
    | ~ edge(X2) ),
    inference(er,[status(thm)],[373,theory(equality)]) ).

cnf(415,plain,
    ( tail_of(esk2_2(X1,X2)) = X1
    | esk2_2(X1,X2) = X3
    | X1 = X2
    | sequential(esk2_2(X1,X2),X3)
    | tail_of(X3) != X1
    | ~ vertex(X2)
    | ~ vertex(X1)
    | ~ edge(X3) ),
    inference(csr,[status(thm)],[158,123]) ).

cnf(416,plain,
    ( tail_of(esk2_2(tail_of(X1),X2)) = tail_of(X1)
    | esk2_2(tail_of(X1),X2) = X1
    | tail_of(X1) = X2
    | sequential(esk2_2(tail_of(X1),X2),X1)
    | ~ vertex(X2)
    | ~ vertex(tail_of(X1))
    | ~ edge(X1) ),
    inference(er,[status(thm)],[415,theory(equality)]) ).

cnf(422,negated_conjecture,
    ( head_of(esk2_2(tail_of(X1),tail_of(esk10_0))) = tail_of(esk10_0)
    | head_of(esk2_2(tail_of(X1),tail_of(esk10_0))) = tail_of(X1)
    | tail_of(X1) = tail_of(esk10_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[190,23,theory(equality)]) ).

cnf(425,plain,
    ( tail_of(esk2_2(tail_of(X1),head_of(X2))) = head_of(X2)
    | tail_of(esk2_2(tail_of(X1),head_of(X2))) = tail_of(X1)
    | tail_of(X1) = head_of(X2)
    | ~ edge(X2)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[162,23,theory(equality)]) ).

cnf(452,negated_conjecture,
    ( tail_of(esk2_2(tail_of(X1),tail_of(esk10_0))) = tail_of(esk10_0)
    | tail_of(esk2_2(tail_of(X1),tail_of(esk10_0))) = tail_of(X1)
    | tail_of(X1) = tail_of(esk10_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[191,23,theory(equality)]) ).

cnf(453,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(X1))) = tail_of(X1)
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(X1))) = tail_of(esk10_0)
    | tail_of(esk10_0) = tail_of(X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[163,182,theory(equality)]) ).

cnf(454,plain,
    ( tail_of(esk2_2(head_of(X1),tail_of(X2))) = tail_of(X2)
    | tail_of(esk2_2(head_of(X1),tail_of(X2))) = head_of(X1)
    | head_of(X1) = tail_of(X2)
    | ~ edge(X2)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[163,24,theory(equality)]) ).

cnf(492,negated_conjecture,
    ( on_path(esk3_5(esk6_0,X1,X2,X3,X4),esk6_0)
    | sequential(X3,X4)
    | ~ precedes(X3,X4,esk6_0)
    | ~ path(X1,X2,esk6_0) ),
    inference(spm,[status(thm)],[168,121,theory(equality)]) ).

cnf(503,negated_conjecture,
    ( precedes(X1,esk3_5(esk6_0,X2,X3,X4,X5),esk6_0)
    | sequential(X4,X5)
    | ~ on_path(X1,esk6_0)
    | ~ sequential(X1,esk3_5(esk6_0,X2,X3,X4,X5))
    | ~ precedes(X4,X5,esk6_0)
    | ~ path(X2,X3,esk6_0) ),
    inference(spm,[status(thm)],[176,492,theory(equality)]) ).

cnf(611,negated_conjecture,
    ( head_of(esk2_2(tail_of(X1),head_of(esk10_0))) = tail_of(X1)
    | head_of(esk2_2(tail_of(X1),head_of(esk10_0))) = head_of(esk10_0)
    | tail_of(X1) = head_of(esk10_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[217,116,theory(equality)]) ).

cnf(626,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | tail_of(esk10_0) = tail_of(esk9_0) ),
    inference(spm,[status(thm)],[242,117,theory(equality)]) ).

cnf(631,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0) ),
    inference(sr,[status(thm)],[626,184,theory(equality)]) ).

cnf(633,negated_conjecture,
    ( head_of(esk2_2(head_of(X1),tail_of(esk9_0))) = head_of(X1)
    | head_of(esk2_2(head_of(X1),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(X1) = tail_of(esk9_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[243,117,theory(equality)]) ).

cnf(640,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | tail_of(esk10_0) != tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | ~ edge(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) ),
    inference(spm,[status(thm)],[35,631,theory(equality)]) ).

cnf(642,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | tail_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(tail_of(esk10_0)) ),
    inference(spm,[status(thm)],[148,631,theory(equality)]) ).

cnf(644,negated_conjecture,
    ( epred5_0
    | head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | tail_of(esk9_0) != tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | head_of(esk10_0) != tail_of(esk10_0) ),
    inference(spm,[status(thm)],[286,631,theory(equality)]) ).

cnf(647,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | tail_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(tail_of(esk9_0))
    | $false ),
    inference(rw,[status(thm)],[642,182,theory(equality)]) ).

cnf(648,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | tail_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(cn,[status(thm)],[647,theory(equality)]) ).

cnf(649,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(sr,[status(thm)],[648,184,theory(equality)]) ).

cnf(650,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) != tail_of(esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0) ),
    inference(sr,[status(thm)],[644,293,theory(equality)]) ).

cnf(654,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | tail_of(esk9_0) = tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(tail_of(esk10_0))
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) != tail_of(esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0) ),
    inference(spm,[status(thm)],[155,650,theory(equality)]) ).

cnf(661,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | tail_of(esk9_0) = tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | $false
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) != tail_of(esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0) ),
    inference(rw,[status(thm)],[654,182,theory(equality)]) ).

cnf(662,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | tail_of(esk9_0) = tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) != tail_of(esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0) ),
    inference(cn,[status(thm)],[661,theory(equality)]) ).

cnf(663,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) != tail_of(esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0) ),
    inference(sr,[status(thm)],[662,184,theory(equality)]) ).

cnf(671,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | tail_of(esk9_0) = tail_of(esk10_0)
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(tail_of(esk10_0)) ),
    inference(spm,[status(thm)],[155,649,theory(equality)]) ).

cnf(678,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | tail_of(esk9_0) = tail_of(esk10_0)
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(tail_of(esk9_0))
    | $false ),
    inference(rw,[status(thm)],[671,182,theory(equality)]) ).

cnf(679,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | tail_of(esk9_0) = tail_of(esk10_0)
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(cn,[status(thm)],[678,theory(equality)]) ).

cnf(680,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(sr,[status(thm)],[679,184,theory(equality)]) ).

cnf(708,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | ~ edge(esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) != tail_of(esk10_0) ),
    inference(spm,[status(thm)],[24,640,theory(equality)]) ).

cnf(726,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(csr,[status(thm)],[663,680]) ).

cnf(728,negated_conjecture,
    ( X1 = esk2_2(tail_of(esk10_0),tail_of(esk9_0))
    | sequential(X1,esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | tail_of(esk10_0) != head_of(X1)
    | ~ edge(esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | ~ edge(X1)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(spm,[status(thm)],[28,726,theory(equality)]) ).

cnf(816,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk10_0)
    | head_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk9_0)
    | tail_of(esk9_0) = tail_of(esk10_0) ),
    inference(spm,[status(thm)],[422,117,theory(equality)]) ).

cnf(822,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk10_0)
    | head_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk9_0) ),
    inference(sr,[status(thm)],[816,184,theory(equality)]) ).

cnf(825,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk9_0)
    | tail_of(esk10_0) != tail_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0)))
    | ~ edge(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) ),
    inference(spm,[status(thm)],[35,822,theory(equality)]) ).

cnf(902,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | ~ edge(esk2_2(tail_of(esk9_0),tail_of(esk10_0)))
    | tail_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) != tail_of(esk10_0) ),
    inference(spm,[status(thm)],[24,825,theory(equality)]) ).

cnf(1020,negated_conjecture,
    ( esk3_5(X1,X2,X3,X4,X5) = esk9_0
    | sequential(esk9_0,esk3_5(X1,X2,X3,X4,X5))
    | sequential(X4,X5)
    | head_of(X4) != tail_of(esk10_0)
    | ~ precedes(X4,X5,X1)
    | ~ path(X2,X3,X1) ),
    inference(csr,[status(thm)],[326,144]) ).

cnf(1216,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk10_0)
    | tail_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk9_0)
    | tail_of(esk9_0) = tail_of(esk10_0) ),
    inference(spm,[status(thm)],[452,117,theory(equality)]) ).

cnf(1223,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk10_0)
    | tail_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk9_0) ),
    inference(sr,[status(thm)],[1216,184,theory(equality)]) ).

cnf(1247,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | tail_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk9_0)
    | ~ edge(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) ),
    inference(spm,[status(thm)],[902,1223,theory(equality)]) ).

cnf(1253,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | ~ edge(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) ),
    inference(spm,[status(thm)],[23,1247,theory(equality)]) ).

cnf(1277,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | tail_of(esk10_0) = tail_of(esk9_0) ),
    inference(spm,[status(thm)],[453,117,theory(equality)]) ).

cnf(1284,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk10_0)
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0) ),
    inference(sr,[status(thm)],[1277,184,theory(equality)]) ).

cnf(1308,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ edge(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) ),
    inference(spm,[status(thm)],[708,1284,theory(equality)]) ).

cnf(1314,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | ~ edge(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) ),
    inference(spm,[status(thm)],[23,1308,theory(equality)]) ).

cnf(1463,plain,
    ( tail_of(esk2_2(X1,tail_of(X2))) = tail_of(X2)
    | esk2_2(X1,tail_of(X2)) = X2
    | X1 = tail_of(X2)
    | sequential(esk2_2(X1,tail_of(X2)),X2)
    | ~ vertex(X1)
    | ~ edge(X2) ),
    inference(csr,[status(thm)],[374,23]) ).

cnf(1464,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(X1))) = tail_of(X1)
    | esk2_2(tail_of(esk10_0),tail_of(X1)) = X1
    | tail_of(esk10_0) = tail_of(X1)
    | sequential(esk2_2(tail_of(esk10_0),tail_of(X1)),X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[1463,182,theory(equality)]) ).

cnf(1465,plain,
    ( tail_of(esk2_2(head_of(X1),tail_of(X2))) = tail_of(X2)
    | esk2_2(head_of(X1),tail_of(X2)) = X2
    | head_of(X1) = tail_of(X2)
    | sequential(esk2_2(head_of(X1),tail_of(X2)),X2)
    | ~ edge(X2)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[1463,24,theory(equality)]) ).

cnf(1466,plain,
    ( tail_of(esk2_2(tail_of(X1),tail_of(X2))) = tail_of(X2)
    | esk2_2(tail_of(X1),tail_of(X2)) = X2
    | tail_of(X1) = tail_of(X2)
    | sequential(esk2_2(tail_of(X1),tail_of(X2)),X2)
    | ~ edge(X2)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[1463,23,theory(equality)]) ).

cnf(1711,negated_conjecture,
    ( sequential(X1,X2)
    | ~ precedes(X1,X2,esk6_0)
    | ~ path(X3,X4,esk6_0)
    | ~ shortest_path(X5,X6,esk6_0)
    | ~ on_path(X2,esk6_0)
    | ~ sequential(X2,esk3_5(esk6_0,X3,X4,X1,X2)) ),
    inference(spm,[status(thm)],[169,503,theory(equality)]) ).

cnf(1734,negated_conjecture,
    ( sequential(X1,X2)
    | ~ precedes(X1,X2,esk6_0)
    | ~ path(X3,X4,esk6_0)
    | ~ shortest_path(X5,X6,esk6_0)
    | ~ sequential(X2,esk3_5(esk6_0,X3,X4,X1,X2)) ),
    inference(csr,[status(thm)],[1711,62]) ).

cnf(1737,negated_conjecture,
    ( sequential(X1,esk9_0)
    | esk3_5(esk6_0,X2,X3,X1,esk9_0) = esk9_0
    | ~ precedes(X1,esk9_0,esk6_0)
    | ~ path(X2,X3,esk6_0)
    | ~ shortest_path(X4,X5,esk6_0)
    | head_of(X1) != tail_of(esk10_0) ),
    inference(spm,[status(thm)],[1734,1020,theory(equality)]) ).

cnf(1770,negated_conjecture,
    ( esk3_5(esk6_0,X1,X2,X3,esk9_0) = esk9_0
    | sequential(X3,esk9_0)
    | head_of(X3) != tail_of(esk10_0)
    | ~ precedes(X3,esk9_0,esk6_0)
    | ~ path(X1,X2,esk6_0) ),
    inference(spm,[status(thm)],[1737,98,theory(equality)]) ).

cnf(1775,negated_conjecture,
    ( sequential(X1,esk9_0)
    | ~ precedes(X1,esk9_0,esk6_0)
    | ~ path(X2,X3,esk6_0)
    | head_of(X1) != tail_of(esk10_0) ),
    inference(spm,[status(thm)],[65,1770,theory(equality)]) ).

cnf(1823,negated_conjecture,
    ( sequential(X1,esk9_0)
    | head_of(X1) != tail_of(esk10_0)
    | ~ precedes(X1,esk9_0,esk6_0) ),
    inference(spm,[status(thm)],[1775,121,theory(equality)]) ).

cnf(1824,negated_conjecture,
    ( sequential(esk9_0,esk9_0)
    | ~ precedes(esk9_0,esk9_0,esk6_0) ),
    inference(spm,[status(thm)],[1823,120,theory(equality)]) ).

cnf(1844,negated_conjecture,
    ~ precedes(esk9_0,esk9_0,esk6_0),
    inference(sr,[status(thm)],[1824,118,theory(equality)]) ).

cnf(2230,plain,
    ( tail_of(esk2_2(tail_of(X1),X2)) = tail_of(X1)
    | esk2_2(tail_of(X1),X2) = X1
    | tail_of(X1) = X2
    | sequential(esk2_2(tail_of(X1),X2),X1)
    | ~ vertex(X2)
    | ~ edge(X1) ),
    inference(csr,[status(thm)],[416,23]) ).

cnf(2231,negated_conjecture,
    ( tail_of(esk2_2(tail_of(X1),tail_of(esk10_0))) = tail_of(X1)
    | esk2_2(tail_of(X1),tail_of(esk10_0)) = X1
    | tail_of(X1) = tail_of(esk10_0)
    | sequential(esk2_2(tail_of(X1),tail_of(esk10_0)),X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[2230,182,theory(equality)]) ).

cnf(2232,plain,
    ( tail_of(esk2_2(tail_of(X1),head_of(X2))) = tail_of(X1)
    | esk2_2(tail_of(X1),head_of(X2)) = X1
    | tail_of(X1) = head_of(X2)
    | sequential(esk2_2(tail_of(X1),head_of(X2)),X1)
    | ~ edge(X1)
    | ~ edge(X2) ),
    inference(spm,[status(thm)],[2230,24,theory(equality)]) ).

cnf(2442,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk9_0),head_of(esk10_0))) = head_of(esk10_0)
    | head_of(esk2_2(tail_of(esk9_0),head_of(esk10_0))) = tail_of(esk9_0)
    | tail_of(esk9_0) = head_of(esk10_0) ),
    inference(spm,[status(thm)],[611,117,theory(equality)]) ).

cnf(2449,negated_conjecture,
    ( tail_of(esk2_2(tail_of(X1),head_of(esk10_0))) = tail_of(X1)
    | tail_of(esk2_2(tail_of(X1),head_of(esk10_0))) = head_of(esk10_0)
    | tail_of(X1) = head_of(esk10_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[425,116,theory(equality)]) ).

cnf(2506,negated_conjecture,
    ( epred5_0
    | head_of(esk2_2(tail_of(esk9_0),head_of(esk10_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk9_0) != tail_of(esk2_2(tail_of(esk9_0),head_of(esk10_0))) ),
    inference(spm,[status(thm)],[286,2442,theory(equality)]) ).

cnf(2523,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk9_0),head_of(esk10_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk2_2(tail_of(esk9_0),head_of(esk10_0))) != tail_of(esk9_0) ),
    inference(sr,[status(thm)],[2506,293,theory(equality)]) ).

cnf(2525,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk9_0) != tail_of(esk2_2(tail_of(esk9_0),head_of(esk10_0)))
    | ~ edge(esk2_2(tail_of(esk9_0),head_of(esk10_0))) ),
    inference(spm,[status(thm)],[35,2523,theory(equality)]) ).

cnf(2765,negated_conjecture,
    ( tail_of(esk2_2(head_of(X1),tail_of(esk9_0))) = head_of(X1)
    | tail_of(esk2_2(head_of(X1),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(X1) = tail_of(esk9_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[454,117,theory(equality)]) ).

cnf(3172,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(esk10_0))) = head_of(esk10_0)
    | tail_of(esk2_2(tail_of(esk9_0),head_of(esk10_0))) = tail_of(esk9_0)
    | tail_of(esk9_0) = head_of(esk10_0) ),
    inference(spm,[status(thm)],[2449,117,theory(equality)]) ).

cnf(3217,negated_conjecture,
    ( vertex(head_of(esk10_0))
    | tail_of(esk2_2(tail_of(esk9_0),head_of(esk10_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | ~ edge(esk2_2(tail_of(esk9_0),head_of(esk10_0))) ),
    inference(spm,[status(thm)],[23,3172,theory(equality)]) ).

cnf(3237,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk9_0)
    | vertex(head_of(esk10_0))
    | ~ edge(esk2_2(tail_of(esk9_0),head_of(esk10_0))) ),
    inference(csr,[status(thm)],[3217,2525]) ).

cnf(4703,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | tail_of(esk10_0) = tail_of(esk9_0)
    | sequential(esk2_2(tail_of(esk10_0),tail_of(esk9_0)),esk9_0) ),
    inference(spm,[status(thm)],[1464,117,theory(equality)]) ).

cnf(4710,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk10_0),tail_of(esk9_0)),esk9_0) ),
    inference(sr,[status(thm)],[4703,184,theory(equality)]) ).

cnf(4759,negated_conjecture,
    ( tail_of(esk9_0) = tail_of(esk10_0)
    | esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk10_0),tail_of(esk9_0)),esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(tail_of(esk10_0)) ),
    inference(spm,[status(thm)],[315,4710,theory(equality)]) ).

cnf(4784,negated_conjecture,
    ( tail_of(esk9_0) = tail_of(esk10_0)
    | esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk10_0),tail_of(esk9_0)),esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | $false ),
    inference(rw,[status(thm)],[4759,182,theory(equality)]) ).

cnf(4785,negated_conjecture,
    ( tail_of(esk9_0) = tail_of(esk10_0)
    | esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk10_0),tail_of(esk9_0)),esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(cn,[status(thm)],[4784,theory(equality)]) ).

cnf(4786,negated_conjecture,
    ( esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk10_0),tail_of(esk9_0)),esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(sr,[status(thm)],[4785,184,theory(equality)]) ).

cnf(4804,negated_conjecture,
    ( esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | ~ sequential(esk10_0,esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(spm,[status(thm)],[135,4786,theory(equality)]) ).

cnf(5339,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk9_0)
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | tail_of(esk9_0) = tail_of(esk10_0)
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk9_0) ),
    inference(spm,[status(thm)],[2231,117,theory(equality)]) ).

cnf(5347,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) = tail_of(esk9_0)
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk9_0) ),
    inference(sr,[status(thm)],[5339,184,theory(equality)]) ).

cnf(9168,negated_conjecture,
    ( X1 = esk2_2(tail_of(esk10_0),tail_of(esk9_0))
    | sequential(X1,esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | head_of(esk10_0) != tail_of(esk10_0)
    | head_of(X1) != tail_of(esk10_0)
    | ~ edge(esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | ~ edge(X1) ),
    inference(csr,[status(thm)],[728,1314]) ).

cnf(9169,negated_conjecture,
    ( X1 = esk2_2(tail_of(esk10_0),tail_of(esk9_0))
    | sequential(X1,esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | tail_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | head_of(X1) != tail_of(esk10_0)
    | ~ edge(X1)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(tail_of(esk10_0)) ),
    inference(spm,[status(thm)],[9168,123,theory(equality)]) ).

cnf(9172,negated_conjecture,
    ( X1 = esk2_2(tail_of(esk10_0),tail_of(esk9_0))
    | sequential(X1,esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | tail_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | head_of(X1) != tail_of(esk10_0)
    | ~ edge(X1)
    | ~ vertex(tail_of(esk9_0))
    | $false ),
    inference(rw,[status(thm)],[9169,182,theory(equality)]) ).

cnf(9173,negated_conjecture,
    ( X1 = esk2_2(tail_of(esk10_0),tail_of(esk9_0))
    | sequential(X1,esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | tail_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | head_of(X1) != tail_of(esk10_0)
    | ~ edge(X1)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(cn,[status(thm)],[9172,theory(equality)]) ).

cnf(9174,negated_conjecture,
    ( X1 = esk2_2(tail_of(esk10_0),tail_of(esk9_0))
    | sequential(X1,esk2_2(tail_of(esk10_0),tail_of(esk9_0)))
    | head_of(esk10_0) != tail_of(esk10_0)
    | head_of(X1) != tail_of(esk10_0)
    | ~ edge(X1)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(sr,[status(thm)],[9173,184,theory(equality)]) ).

cnf(9296,negated_conjecture,
    ( esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | esk10_0 = esk2_2(tail_of(esk10_0),tail_of(esk9_0))
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | ~ edge(esk10_0) ),
    inference(spm,[status(thm)],[4804,9174,theory(equality)]) ).

cnf(9301,negated_conjecture,
    ( esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | esk10_0 = esk2_2(tail_of(esk10_0),tail_of(esk9_0))
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | $false ),
    inference(rw,[status(thm)],[9296,116,theory(equality)]) ).

cnf(9302,negated_conjecture,
    ( esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | esk10_0 = esk2_2(tail_of(esk10_0),tail_of(esk9_0))
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(cn,[status(thm)],[9301,theory(equality)]) ).

cnf(9303,negated_conjecture,
    ( esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | esk10_0 != esk9_0
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(ef,[status(thm)],[9302,theory(equality)]) ).

cnf(9332,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | esk10_0 = esk9_0
    | sequential(esk10_0,esk9_0)
    | esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(spm,[status(thm)],[4710,9302,theory(equality)]) ).

cnf(9414,negated_conjecture,
    ( esk10_0 = esk9_0
    | sequential(esk10_0,esk9_0)
    | esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(sr,[status(thm)],[9332,184,theory(equality)]) ).

cnf(9415,negated_conjecture,
    ( esk10_0 = esk9_0
    | esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(sr,[status(thm)],[9414,260,theory(equality)]) ).

cnf(9446,negated_conjecture,
    ( tail_of(esk9_0) = tail_of(esk10_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(tail_of(esk10_0))
    | esk10_0 != esk9_0 ),
    inference(spm,[status(thm)],[315,9303,theory(equality)]) ).

cnf(9491,negated_conjecture,
    ( tail_of(esk9_0) = tail_of(esk10_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | $false
    | esk10_0 != esk9_0 ),
    inference(rw,[status(thm)],[9446,182,theory(equality)]) ).

cnf(9492,negated_conjecture,
    ( tail_of(esk9_0) = tail_of(esk10_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | esk10_0 != esk9_0 ),
    inference(cn,[status(thm)],[9491,theory(equality)]) ).

cnf(9493,negated_conjecture,
    ( head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | esk10_0 != esk9_0 ),
    inference(sr,[status(thm)],[9492,184,theory(equality)]) ).

cnf(9572,negated_conjecture,
    ( esk2_2(tail_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(csr,[status(thm)],[9415,9493]) ).

cnf(9575,negated_conjecture,
    ( tail_of(esk9_0) = tail_of(esk10_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(tail_of(esk10_0)) ),
    inference(spm,[status(thm)],[315,9572,theory(equality)]) ).

cnf(9620,negated_conjecture,
    ( tail_of(esk9_0) = tail_of(esk10_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | $false ),
    inference(rw,[status(thm)],[9575,182,theory(equality)]) ).

cnf(9621,negated_conjecture,
    ( tail_of(esk9_0) = tail_of(esk10_0)
    | head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(cn,[status(thm)],[9620,theory(equality)]) ).

cnf(9622,negated_conjecture,
    ( head_of(esk10_0) != tail_of(esk10_0)
    | ~ vertex(tail_of(esk9_0)) ),
    inference(sr,[status(thm)],[9621,184,theory(equality)]) ).

cnf(9832,negated_conjecture,
    ( head_of(esk10_0) != tail_of(esk10_0)
    | ~ edge(esk9_0) ),
    inference(spm,[status(thm)],[9622,23,theory(equality)]) ).

cnf(9834,negated_conjecture,
    ( head_of(esk10_0) != tail_of(esk10_0)
    | $false ),
    inference(rw,[status(thm)],[9832,117,theory(equality)]) ).

cnf(9835,negated_conjecture,
    head_of(esk10_0) != tail_of(esk10_0),
    inference(cn,[status(thm)],[9834,theory(equality)]) ).

cnf(23384,negated_conjecture,
    ( tail_of(esk2_2(head_of(X1),tail_of(esk9_0))) = tail_of(esk9_0)
    | esk2_2(head_of(X1),tail_of(esk9_0)) = esk9_0
    | head_of(X1) = tail_of(esk9_0)
    | sequential(esk2_2(head_of(X1),tail_of(esk9_0)),esk9_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[1465,117,theory(equality)]) ).

cnf(23547,negated_conjecture,
    ( tail_of(esk9_0) = head_of(X1)
    | esk2_2(head_of(X1),tail_of(esk9_0)) = esk9_0
    | sequential(esk2_2(head_of(X1),tail_of(esk9_0)),esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(head_of(X1))
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[315,23384,theory(equality)]) ).

cnf(23685,negated_conjecture,
    ( esk2_2(head_of(X1),tail_of(esk9_0)) = esk9_0
    | head_of(X1) = tail_of(esk9_0)
    | sequential(esk2_2(head_of(X1),tail_of(esk9_0)),esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ vertex(tail_of(esk9_0))
    | ~ edge(X1) ),
    inference(csr,[status(thm)],[23547,24]) ).

cnf(23692,negated_conjecture,
    ( esk2_2(head_of(X1),tail_of(esk9_0)) = esk9_0
    | head_of(X1) = tail_of(esk9_0)
    | ~ sequential(esk10_0,esk2_2(head_of(X1),tail_of(esk9_0)))
    | head_of(esk10_0) != head_of(X1)
    | ~ vertex(tail_of(esk9_0))
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[135,23685,theory(equality)]) ).

cnf(24396,negated_conjecture,
    ( tail_of(esk2_2(tail_of(X1),tail_of(esk10_0))) = tail_of(esk10_0)
    | esk2_2(tail_of(X1),tail_of(esk10_0)) = esk10_0
    | tail_of(X1) = tail_of(esk10_0)
    | sequential(esk2_2(tail_of(X1),tail_of(esk10_0)),esk10_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[1466,116,theory(equality)]) ).

cnf(24605,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk9_0)
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk10_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk10_0)
    | ~ edge(esk9_0) ),
    inference(spm,[status(thm)],[5347,24396,theory(equality)]) ).

cnf(24659,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk9_0)
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk10_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk10_0)
    | $false ),
    inference(rw,[status(thm)],[24605,117,theory(equality)]) ).

cnf(24660,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk9_0)
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk10_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk10_0) ),
    inference(cn,[status(thm)],[24659,theory(equality)]) ).

cnf(24661,negated_conjecture,
    ( esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk9_0)
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk10_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk10_0) ),
    inference(sr,[status(thm)],[24660,184,theory(equality)]) ).

cnf(24731,negated_conjecture,
    ( edge(esk2_2(tail_of(esk9_0),tail_of(esk10_0)))
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk10_0
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | sequential(esk2_2(tail_of(esk9_0),tail_of(esk10_0)),esk9_0) ),
    inference(spm,[status(thm)],[32,24661,theory(equality)]) ).

cnf(24737,negated_conjecture,
    ( esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk10_0
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | edge(esk2_2(tail_of(esk9_0),tail_of(esk10_0))) ),
    inference(csr,[status(thm)],[24731,32]) ).

cnf(24745,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk10_0 ),
    inference(spm,[status(thm)],[1253,24737,theory(equality)]) ).

cnf(24776,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | ~ edge(esk10_0) ),
    inference(spm,[status(thm)],[1253,24745,theory(equality)]) ).

cnf(24836,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0
    | $false ),
    inference(rw,[status(thm)],[24776,116,theory(equality)]) ).

cnf(24837,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | esk2_2(tail_of(esk9_0),tail_of(esk10_0)) = esk9_0 ),
    inference(cn,[status(thm)],[24836,theory(equality)]) ).

cnf(24930,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | ~ edge(esk9_0) ),
    inference(spm,[status(thm)],[1253,24837,theory(equality)]) ).

cnf(24994,negated_conjecture,
    ( vertex(tail_of(esk9_0))
    | $false ),
    inference(rw,[status(thm)],[24930,117,theory(equality)]) ).

cnf(24995,negated_conjecture,
    vertex(tail_of(esk9_0)),
    inference(cn,[status(thm)],[24994,theory(equality)]) ).

cnf(25105,negated_conjecture,
    ( head_of(esk2_2(X1,tail_of(esk9_0))) = X1
    | head_of(esk2_2(X1,tail_of(esk9_0))) = tail_of(esk9_0)
    | X1 = tail_of(esk9_0)
    | ~ vertex(X1) ),
    inference(spm,[status(thm)],[137,24995,theory(equality)]) ).

cnf(25107,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk9_0),head_of(X1))) = head_of(X1)
    | head_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | tail_of(esk9_0) = head_of(X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[138,24995,theory(equality)]) ).

cnf(25132,negated_conjecture,
    ( esk2_2(head_of(X1),tail_of(esk9_0)) = esk9_0
    | head_of(X1) = tail_of(esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ sequential(esk10_0,esk2_2(head_of(X1),tail_of(esk9_0)))
    | $false
    | ~ edge(X1) ),
    inference(rw,[status(thm)],[23692,24995,theory(equality)]) ).

cnf(25133,negated_conjecture,
    ( esk2_2(head_of(X1),tail_of(esk9_0)) = esk9_0
    | head_of(X1) = tail_of(esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ sequential(esk10_0,esk2_2(head_of(X1),tail_of(esk9_0)))
    | ~ edge(X1) ),
    inference(cn,[status(thm)],[25132,theory(equality)]) ).

cnf(26711,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | head_of(X1) = tail_of(esk9_0)
    | head_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | ~ vertex(head_of(X1))
    | ~ vertex(tail_of(esk9_0))
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[155,25107,theory(equality)]) ).

cnf(26714,negated_conjecture,
    ( epred5_0
    | head_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | head_of(X1) = tail_of(esk9_0)
    | tail_of(esk9_0) != tail_of(esk2_2(tail_of(esk9_0),head_of(X1)))
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[286,25107,theory(equality)]) ).

cnf(26876,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | head_of(X1) = tail_of(esk9_0)
    | head_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | ~ vertex(head_of(X1))
    | $false
    | ~ edge(X1) ),
    inference(rw,[status(thm)],[26711,24995,theory(equality)]) ).

cnf(26877,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | head_of(X1) = tail_of(esk9_0)
    | head_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | ~ vertex(head_of(X1))
    | ~ edge(X1) ),
    inference(cn,[status(thm)],[26876,theory(equality)]) ).

cnf(26878,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | head_of(X1) = tail_of(esk9_0)
    | tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) != tail_of(esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(sr,[status(thm)],[26714,293,theory(equality)]) ).

cnf(27490,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | head_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | head_of(X1) = tail_of(esk9_0)
    | ~ edge(X1) ),
    inference(csr,[status(thm)],[26877,24]) ).

cnf(27733,negated_conjecture,
    ( head_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | head_of(X1) = tail_of(esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(csr,[status(thm)],[26878,27490]) ).

cnf(27738,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) = head_of(X1)
    | tail_of(esk9_0) = head_of(X1)
    | ~ vertex(head_of(X1))
    | ~ vertex(tail_of(esk9_0))
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[148,27733,theory(equality)]) ).

cnf(27894,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) = head_of(X1)
    | tail_of(esk9_0) = head_of(X1)
    | ~ vertex(head_of(X1))
    | $false
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(rw,[status(thm)],[27738,24995,theory(equality)]) ).

cnf(27895,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) = head_of(X1)
    | tail_of(esk9_0) = head_of(X1)
    | ~ vertex(head_of(X1))
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(cn,[status(thm)],[27894,theory(equality)]) ).

cnf(28107,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) = head_of(X1)
    | head_of(X1) = tail_of(esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(csr,[status(thm)],[27895,24]) ).

cnf(37401,negated_conjecture,
    ( tail_of(esk2_2(tail_of(esk9_0),head_of(X1))) = tail_of(esk9_0)
    | esk2_2(tail_of(esk9_0),head_of(X1)) = esk9_0
    | tail_of(esk9_0) = head_of(X1)
    | sequential(esk2_2(tail_of(esk9_0),head_of(X1)),esk9_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[2232,117,theory(equality)]) ).

cnf(37972,negated_conjecture,
    ( tail_of(esk9_0) = head_of(X1)
    | esk2_2(tail_of(esk9_0),head_of(X1)) = esk9_0
    | sequential(esk2_2(tail_of(esk9_0),head_of(X1)),esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[28107,37401,theory(equality)]) ).

cnf(38102,negated_conjecture,
    ( edge(esk2_2(tail_of(esk9_0),head_of(X1)))
    | esk2_2(tail_of(esk9_0),head_of(X1)) = esk9_0
    | head_of(X1) = tail_of(esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[32,37972,theory(equality)]) ).

cnf(38234,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk9_0)
    | vertex(head_of(esk10_0))
    | esk2_2(tail_of(esk9_0),head_of(esk10_0)) = esk9_0
    | ~ edge(esk10_0) ),
    inference(spm,[status(thm)],[3237,38102,theory(equality)]) ).

cnf(38298,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk9_0)
    | vertex(head_of(esk10_0))
    | esk2_2(tail_of(esk9_0),head_of(esk10_0)) = esk9_0
    | $false ),
    inference(rw,[status(thm)],[38234,116,theory(equality)]) ).

cnf(38299,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk9_0)
    | vertex(head_of(esk10_0))
    | esk2_2(tail_of(esk9_0),head_of(esk10_0)) = esk9_0 ),
    inference(cn,[status(thm)],[38298,theory(equality)]) ).

cnf(38339,negated_conjecture,
    ( head_of(esk9_0) = tail_of(esk9_0)
    | head_of(esk9_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | vertex(head_of(esk10_0)) ),
    inference(spm,[status(thm)],[2442,38299,theory(equality)]) ).

cnf(38401,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk9_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | vertex(head_of(esk10_0)) ),
    inference(rw,[status(thm)],[38339,120,theory(equality)]) ).

cnf(38402,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk10_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | vertex(head_of(esk10_0)) ),
    inference(rw,[status(thm)],[38401,120,theory(equality)]) ).

cnf(38403,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | vertex(head_of(esk10_0)) ),
    inference(sr,[status(thm)],[38402,184,theory(equality)]) ).

cnf(38404,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk9_0)
    | vertex(head_of(esk10_0)) ),
    inference(sr,[status(thm)],[38403,9835,theory(equality)]) ).

cnf(38547,negated_conjecture,
    ( head_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0) ),
    inference(spm,[status(thm)],[25105,38404,theory(equality)]) ).

cnf(39195,negated_conjecture,
    ( tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(head_of(esk10_0)) ),
    inference(spm,[status(thm)],[148,38547,theory(equality)]) ).

cnf(39197,negated_conjecture,
    ( epred5_0
    | head_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk9_0) != tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) ),
    inference(spm,[status(thm)],[286,38547,theory(equality)]) ).

cnf(39327,negated_conjecture,
    ( tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | $false
    | ~ vertex(head_of(esk10_0)) ),
    inference(rw,[status(thm)],[39195,24995,theory(equality)]) ).

cnf(39328,negated_conjecture,
    ( tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | ~ vertex(head_of(esk10_0)) ),
    inference(cn,[status(thm)],[39327,theory(equality)]) ).

cnf(39329,negated_conjecture,
    ( head_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) != tail_of(esk9_0) ),
    inference(sr,[status(thm)],[39197,293,theory(equality)]) ).

cnf(41007,negated_conjecture,
    ( tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0) ),
    inference(csr,[status(thm)],[39328,38404]) ).

cnf(41008,negated_conjecture,
    ( head_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = tail_of(esk9_0)
    | head_of(esk10_0) = tail_of(esk9_0) ),
    inference(csr,[status(thm)],[41007,39329]) ).

cnf(41012,negated_conjecture,
    ( tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = head_of(esk10_0)
    | tail_of(esk9_0) = head_of(esk10_0)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(head_of(esk10_0)) ),
    inference(spm,[status(thm)],[155,41008,theory(equality)]) ).

cnf(41121,negated_conjecture,
    ( tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = head_of(esk10_0)
    | tail_of(esk9_0) = head_of(esk10_0)
    | $false
    | ~ vertex(head_of(esk10_0)) ),
    inference(rw,[status(thm)],[41012,24995,theory(equality)]) ).

cnf(41122,negated_conjecture,
    ( tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = head_of(esk10_0)
    | tail_of(esk9_0) = head_of(esk10_0)
    | ~ vertex(head_of(esk10_0)) ),
    inference(cn,[status(thm)],[41121,theory(equality)]) ).

cnf(41180,negated_conjecture,
    ( tail_of(esk2_2(head_of(esk10_0),tail_of(esk9_0))) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0) ),
    inference(csr,[status(thm)],[41122,38404]) ).

cnf(41182,negated_conjecture,
    ( X1 = esk2_2(head_of(esk10_0),tail_of(esk9_0))
    | sequential(X1,esk2_2(head_of(esk10_0),tail_of(esk9_0)))
    | head_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(esk2_2(head_of(esk10_0),tail_of(esk9_0)))
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[28,41180,theory(equality)]) ).

cnf(54325,negated_conjecture,
    ( X1 = esk2_2(head_of(esk10_0),tail_of(esk9_0))
    | head_of(esk10_0) = tail_of(esk9_0)
    | sequential(X1,esk2_2(head_of(esk10_0),tail_of(esk9_0)))
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1)
    | ~ vertex(tail_of(esk9_0))
    | ~ vertex(head_of(esk10_0)) ),
    inference(spm,[status(thm)],[41182,123,theory(equality)]) ).

cnf(54328,negated_conjecture,
    ( X1 = esk2_2(head_of(esk10_0),tail_of(esk9_0))
    | head_of(esk10_0) = tail_of(esk9_0)
    | sequential(X1,esk2_2(head_of(esk10_0),tail_of(esk9_0)))
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1)
    | $false
    | ~ vertex(head_of(esk10_0)) ),
    inference(rw,[status(thm)],[54325,24995,theory(equality)]) ).

cnf(54329,negated_conjecture,
    ( X1 = esk2_2(head_of(esk10_0),tail_of(esk9_0))
    | head_of(esk10_0) = tail_of(esk9_0)
    | sequential(X1,esk2_2(head_of(esk10_0),tail_of(esk9_0)))
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1)
    | ~ vertex(head_of(esk10_0)) ),
    inference(cn,[status(thm)],[54328,theory(equality)]) ).

cnf(54353,negated_conjecture,
    ( X1 = esk2_2(head_of(esk10_0),tail_of(esk9_0))
    | head_of(esk10_0) = tail_of(esk9_0)
    | sequential(X1,esk2_2(head_of(esk10_0),tail_of(esk9_0)))
    | head_of(esk10_0) != head_of(X1)
    | ~ edge(X1) ),
    inference(csr,[status(thm)],[54329,38404]) ).

cnf(54364,negated_conjecture,
    ( esk2_2(head_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | head_of(esk10_0) = tail_of(esk9_0)
    | esk10_0 = esk2_2(head_of(esk10_0),tail_of(esk9_0))
    | ~ edge(esk10_0) ),
    inference(spm,[status(thm)],[25133,54353,theory(equality)]) ).

cnf(54369,negated_conjecture,
    ( esk2_2(head_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | head_of(esk10_0) = tail_of(esk9_0)
    | esk10_0 = esk2_2(head_of(esk10_0),tail_of(esk9_0))
    | $false ),
    inference(rw,[status(thm)],[54364,116,theory(equality)]) ).

cnf(54370,negated_conjecture,
    ( esk2_2(head_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | head_of(esk10_0) = tail_of(esk9_0)
    | esk10_0 = esk2_2(head_of(esk10_0),tail_of(esk9_0)) ),
    inference(cn,[status(thm)],[54369,theory(equality)]) ).

cnf(54390,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk10_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | esk2_2(head_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | ~ edge(esk10_0) ),
    inference(spm,[status(thm)],[2765,54370,theory(equality)]) ).

cnf(54492,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk10_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | esk2_2(head_of(esk10_0),tail_of(esk9_0)) = esk9_0
    | $false ),
    inference(rw,[status(thm)],[54390,116,theory(equality)]) ).

cnf(54493,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk10_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | esk2_2(head_of(esk10_0),tail_of(esk9_0)) = esk9_0 ),
    inference(cn,[status(thm)],[54492,theory(equality)]) ).

cnf(54494,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | esk2_2(head_of(esk10_0),tail_of(esk9_0)) = esk9_0 ),
    inference(sr,[status(thm)],[54493,184,theory(equality)]) ).

cnf(54495,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk9_0)
    | esk2_2(head_of(esk10_0),tail_of(esk9_0)) = esk9_0 ),
    inference(sr,[status(thm)],[54494,9835,theory(equality)]) ).

cnf(54659,negated_conjecture,
    ( head_of(esk9_0) = tail_of(esk9_0)
    | head_of(esk9_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | ~ edge(esk10_0) ),
    inference(spm,[status(thm)],[633,54495,theory(equality)]) ).

cnf(54720,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | head_of(esk9_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | ~ edge(esk10_0) ),
    inference(rw,[status(thm)],[54659,120,theory(equality)]) ).

cnf(54721,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk10_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | ~ edge(esk10_0) ),
    inference(rw,[status(thm)],[54720,120,theory(equality)]) ).

cnf(54722,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk10_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0)
    | $false ),
    inference(rw,[status(thm)],[54721,116,theory(equality)]) ).

cnf(54723,negated_conjecture,
    ( tail_of(esk10_0) = tail_of(esk9_0)
    | tail_of(esk10_0) = head_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0) ),
    inference(cn,[status(thm)],[54722,theory(equality)]) ).

cnf(54724,negated_conjecture,
    ( head_of(esk10_0) = tail_of(esk10_0)
    | head_of(esk10_0) = tail_of(esk9_0) ),
    inference(sr,[status(thm)],[54723,184,theory(equality)]) ).

cnf(54725,negated_conjecture,
    head_of(esk10_0) = tail_of(esk9_0),
    inference(sr,[status(thm)],[54724,9835,theory(equality)]) ).

cnf(54849,negated_conjecture,
    ( esk10_0 = X1
    | sequential(esk10_0,X1)
    | tail_of(X1) != tail_of(esk9_0)
    | ~ edge(X1)
    | ~ edge(esk10_0) ),
    inference(spm,[status(thm)],[28,54725,theory(equality)]) ).

cnf(55516,negated_conjecture,
    ( esk10_0 = X1
    | sequential(esk10_0,X1)
    | tail_of(X1) != tail_of(esk9_0)
    | ~ edge(X1)
    | $false ),
    inference(rw,[status(thm)],[54849,116,theory(equality)]) ).

cnf(55517,negated_conjecture,
    ( esk10_0 = X1
    | sequential(esk10_0,X1)
    | tail_of(X1) != tail_of(esk9_0)
    | ~ edge(X1) ),
    inference(cn,[status(thm)],[55516,theory(equality)]) ).

cnf(55712,negated_conjecture,
    ( esk10_0 = esk9_0
    | sequential(esk10_0,esk9_0)
    | ~ edge(esk9_0) ),
    inference(er,[status(thm)],[55517,theory(equality)]) ).

cnf(55758,negated_conjecture,
    ( esk10_0 = esk9_0
    | sequential(esk10_0,esk9_0)
    | $false ),
    inference(rw,[status(thm)],[55712,117,theory(equality)]) ).

cnf(55759,negated_conjecture,
    ( esk10_0 = esk9_0
    | sequential(esk10_0,esk9_0) ),
    inference(cn,[status(thm)],[55758,theory(equality)]) ).

cnf(55760,negated_conjecture,
    esk10_0 = esk9_0,
    inference(sr,[status(thm)],[55759,260,theory(equality)]) ).

cnf(55763,negated_conjecture,
    precedes(esk9_0,esk9_0,esk6_0),
    inference(rw,[status(thm)],[239,55760,theory(equality)]) ).

cnf(55764,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[55763,1844,theory(equality)]) ).

cnf(55765,negated_conjecture,
    $false,
    55764,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% /home/graph/tptp/Systems/SInE---0.4/Source/sine.py:10: DeprecationWarning: the sets module is deprecated
%   from sets import Set
% % SZS status Started for /home/graph/tptp/TPTP/Problems/GRA/GRA009+2.p
% --creating new selector for [GRA001+0.ax]
% -running prover on /tmp/tmphh_FrT/sel_GRA009+2.p_1 with time limit 29
% -prover status Theorem
% Problem GRA009+2.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/GRA/GRA009+2.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/GRA/GRA009+2.p
% Solved 1 out of 1.
% # Problem is unsatisfiable (or provable), constructing proof object
% # SZS status Theorem
% # SZS output start CNFRefutation.
% See solution above
% # SZS output end CNFRefutation
% 
%------------------------------------------------------------------------------