TSTP Solution File: GRA002+3 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : GRA002+3 : TPTP v5.0.0. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art01.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory   : 2018MB
% OS       : Linux 2.6.26.8-57.fc8
% CPULimit : 300s
% DateTime : Sat Dec 25 09:52:48 EST 2010

% Result   : Theorem 0.24s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   69 (  16 unt;   0 def)
%            Number of atoms       :  285 (  44 equ)
%            Maximal formula atoms :   15 (   4 avg)
%            Number of connectives :  357 ( 141   ~; 142   |;  58   &)
%                                         (   1 <=>;  14  =>;   1  <=;   0 <~>)
%            Maximal formula depth :   14 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   10 (   8 usr;   2 prp; 0-3 aty)
%            Number of functors    :   15 (  15 usr;   8 con; 0-5 aty)
%            Number of variables   :  229 (  22 sgn 136   !;  18   ?)

% Comments : 
%------------------------------------------------------------------------------
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/tmpDxktXv/sel_GRA002+3.p_1',shortest_path_defn) ).

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/tmpDxktXv/sel_GRA002+3.p_1',precedes_defn) ).

fof(9,axiom,
    ! [X4,X5,X7] :
      ( path(X4,X5,X7)
     => length_of(X7) = number_of_in(edges,X7) ),
    file('/tmp/tmpDxktXv/sel_GRA002+3.p_1',length_defn) ).

fof(10,axiom,
    ! [X9,X10] : less_or_equal(number_of_in(X9,X10),number_of_in(X9,graph)),
    file('/tmp/tmpDxktXv/sel_GRA002+3.p_1',graph_has_them_all) ).

fof(11,axiom,
    ! [X7,X4,X5] :
      ( ( path(X4,X5,X7)
        & ! [X2,X3] :
            ( ( on_path(X2,X7)
              & on_path(X3,X7)
              & sequential(X2,X3) )
           => ? [X8] : triangle(X2,X3,X8) ) )
     => number_of_in(sequential_pairs,X7) = number_of_in(triangles,X7) ),
    file('/tmp/tmpDxktXv/sel_GRA002+3.p_1',sequential_pairs_and_triangles) ).

fof(12,axiom,
    ! [X4,X5,X7] :
      ( path(X4,X5,X7)
     => number_of_in(sequential_pairs,X7) = minus(length_of(X7),n1) ),
    file('/tmp/tmpDxktXv/sel_GRA002+3.p_1',path_length_sequential_pairs) ).

fof(13,axiom,
    ( complete
   => ! [X4,X5,X2,X3,X7] :
        ( ( shortest_path(X4,X5,X7)
          & precedes(X2,X3,X7)
          & sequential(X2,X3) )
       => ? [X8] : triangle(X2,X3,X8) ) ),
    file('/tmp/tmpDxktXv/sel_GRA002+3.p_1',sequential_is_triangle) ).

fof(15,conjecture,
    ( complete
   => ! [X7,X4,X5] :
        ( shortest_path(X4,X5,X7)
       => less_or_equal(minus(length_of(X7),n1),number_of_in(triangles,graph)) ) ),
    file('/tmp/tmpDxktXv/sel_GRA002+3.p_1',maximal_path_length) ).

fof(16,negated_conjecture,
    ~ ( complete
     => ! [X7,X4,X5] :
          ( shortest_path(X4,X5,X7)
         => less_or_equal(minus(length_of(X7),n1),number_of_in(triangles,graph)) ) ),
    inference(assume_negation,[status(cth)],[15]) ).

fof(20,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(37,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(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
        | ? [X12] :
            ( path(X8,X9,X12)
            & ~ less_or_equal(length_of(X10),length_of(X12)) )
        | shortest_path(X8,X9,X10) ) ),
    inference(variable_rename,[status(thm)],[37]) ).

fof(39,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)],[38]) ).

fof(40,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)],[39]) ).

fof(41,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)],[40]) ).

cnf(45,plain,
    ( path(X1,X2,X3)
    | ~ shortest_path(X1,X2,X3) ),
    inference(split_conjunct,[status(thm)],[41]) ).

fof(74,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)],[20]) ).

fof(75,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)],[74]) ).

fof(76,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)],[75]) ).

fof(77,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)],[76]) ).

cnf(78,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)],[77]) ).

fof(80,plain,
    ! [X4,X5,X7] :
      ( ~ path(X4,X5,X7)
      | length_of(X7) = number_of_in(edges,X7) ),
    inference(fof_nnf,[status(thm)],[9]) ).

fof(81,plain,
    ! [X8,X9,X10] :
      ( ~ path(X8,X9,X10)
      | length_of(X10) = number_of_in(edges,X10) ),
    inference(variable_rename,[status(thm)],[80]) ).

cnf(82,plain,
    ( length_of(X1) = number_of_in(edges,X1)
    | ~ path(X2,X3,X1) ),
    inference(split_conjunct,[status(thm)],[81]) ).

fof(83,plain,
    ! [X11,X12] : less_or_equal(number_of_in(X11,X12),number_of_in(X11,graph)),
    inference(variable_rename,[status(thm)],[10]) ).

cnf(84,plain,
    less_or_equal(number_of_in(X1,X2),number_of_in(X1,graph)),
    inference(split_conjunct,[status(thm)],[83]) ).

fof(85,plain,
    ! [X7,X4,X5] :
      ( ~ path(X4,X5,X7)
      | ? [X2,X3] :
          ( on_path(X2,X7)
          & on_path(X3,X7)
          & sequential(X2,X3)
          & ! [X8] : ~ triangle(X2,X3,X8) )
      | number_of_in(sequential_pairs,X7) = number_of_in(triangles,X7) ),
    inference(fof_nnf,[status(thm)],[11]) ).

fof(86,plain,
    ! [X9,X10,X11] :
      ( ~ path(X10,X11,X9)
      | ? [X12,X13] :
          ( on_path(X12,X9)
          & on_path(X13,X9)
          & sequential(X12,X13)
          & ! [X14] : ~ triangle(X12,X13,X14) )
      | number_of_in(sequential_pairs,X9) = number_of_in(triangles,X9) ),
    inference(variable_rename,[status(thm)],[85]) ).

fof(87,plain,
    ! [X9,X10,X11] :
      ( ~ path(X10,X11,X9)
      | ( on_path(esk4_3(X9,X10,X11),X9)
        & on_path(esk5_3(X9,X10,X11),X9)
        & sequential(esk4_3(X9,X10,X11),esk5_3(X9,X10,X11))
        & ! [X14] : ~ triangle(esk4_3(X9,X10,X11),esk5_3(X9,X10,X11),X14) )
      | number_of_in(sequential_pairs,X9) = number_of_in(triangles,X9) ),
    inference(skolemize,[status(esa)],[86]) ).

fof(88,plain,
    ! [X9,X10,X11,X14] :
      ( ( ~ triangle(esk4_3(X9,X10,X11),esk5_3(X9,X10,X11),X14)
        & on_path(esk4_3(X9,X10,X11),X9)
        & on_path(esk5_3(X9,X10,X11),X9)
        & sequential(esk4_3(X9,X10,X11),esk5_3(X9,X10,X11)) )
      | ~ path(X10,X11,X9)
      | number_of_in(sequential_pairs,X9) = number_of_in(triangles,X9) ),
    inference(shift_quantors,[status(thm)],[87]) ).

fof(89,plain,
    ! [X9,X10,X11,X14] :
      ( ( ~ triangle(esk4_3(X9,X10,X11),esk5_3(X9,X10,X11),X14)
        | ~ path(X10,X11,X9)
        | number_of_in(sequential_pairs,X9) = number_of_in(triangles,X9) )
      & ( on_path(esk4_3(X9,X10,X11),X9)
        | ~ path(X10,X11,X9)
        | number_of_in(sequential_pairs,X9) = number_of_in(triangles,X9) )
      & ( on_path(esk5_3(X9,X10,X11),X9)
        | ~ path(X10,X11,X9)
        | number_of_in(sequential_pairs,X9) = number_of_in(triangles,X9) )
      & ( sequential(esk4_3(X9,X10,X11),esk5_3(X9,X10,X11))
        | ~ path(X10,X11,X9)
        | number_of_in(sequential_pairs,X9) = number_of_in(triangles,X9) ) ),
    inference(distribute,[status(thm)],[88]) ).

cnf(90,plain,
    ( number_of_in(sequential_pairs,X1) = number_of_in(triangles,X1)
    | sequential(esk4_3(X1,X2,X3),esk5_3(X1,X2,X3))
    | ~ path(X2,X3,X1) ),
    inference(split_conjunct,[status(thm)],[89]) ).

cnf(91,plain,
    ( number_of_in(sequential_pairs,X1) = number_of_in(triangles,X1)
    | on_path(esk5_3(X1,X2,X3),X1)
    | ~ path(X2,X3,X1) ),
    inference(split_conjunct,[status(thm)],[89]) ).

cnf(92,plain,
    ( number_of_in(sequential_pairs,X1) = number_of_in(triangles,X1)
    | on_path(esk4_3(X1,X2,X3),X1)
    | ~ path(X2,X3,X1) ),
    inference(split_conjunct,[status(thm)],[89]) ).

cnf(93,plain,
    ( number_of_in(sequential_pairs,X1) = number_of_in(triangles,X1)
    | ~ path(X2,X3,X1)
    | ~ triangle(esk4_3(X1,X2,X3),esk5_3(X1,X2,X3),X4) ),
    inference(split_conjunct,[status(thm)],[89]) ).

fof(94,plain,
    ! [X4,X5,X7] :
      ( ~ path(X4,X5,X7)
      | number_of_in(sequential_pairs,X7) = minus(length_of(X7),n1) ),
    inference(fof_nnf,[status(thm)],[12]) ).

fof(95,plain,
    ! [X8,X9,X10] :
      ( ~ path(X8,X9,X10)
      | number_of_in(sequential_pairs,X10) = minus(length_of(X10),n1) ),
    inference(variable_rename,[status(thm)],[94]) ).

cnf(96,plain,
    ( number_of_in(sequential_pairs,X1) = minus(length_of(X1),n1)
    | ~ path(X2,X3,X1) ),
    inference(split_conjunct,[status(thm)],[95]) ).

fof(97,plain,
    ( ~ complete
    | ! [X4,X5,X2,X3,X7] :
        ( ~ shortest_path(X4,X5,X7)
        | ~ precedes(X2,X3,X7)
        | ~ sequential(X2,X3)
        | ? [X8] : triangle(X2,X3,X8) ) ),
    inference(fof_nnf,[status(thm)],[13]) ).

fof(98,plain,
    ( ~ complete
    | ! [X9,X10,X11,X12,X13] :
        ( ~ shortest_path(X9,X10,X13)
        | ~ precedes(X11,X12,X13)
        | ~ sequential(X11,X12)
        | ? [X14] : triangle(X11,X12,X14) ) ),
    inference(variable_rename,[status(thm)],[97]) ).

fof(99,plain,
    ( ~ complete
    | ! [X9,X10,X11,X12,X13] :
        ( ~ shortest_path(X9,X10,X13)
        | ~ precedes(X11,X12,X13)
        | ~ sequential(X11,X12)
        | triangle(X11,X12,esk6_5(X9,X10,X11,X12,X13)) ) ),
    inference(skolemize,[status(esa)],[98]) ).

fof(100,plain,
    ! [X9,X10,X11,X12,X13] :
      ( ~ shortest_path(X9,X10,X13)
      | ~ precedes(X11,X12,X13)
      | ~ sequential(X11,X12)
      | triangle(X11,X12,esk6_5(X9,X10,X11,X12,X13))
      | ~ complete ),
    inference(shift_quantors,[status(thm)],[99]) ).

cnf(101,plain,
    ( triangle(X1,X2,esk6_5(X3,X4,X1,X2,X5))
    | ~ complete
    | ~ sequential(X1,X2)
    | ~ precedes(X1,X2,X5)
    | ~ shortest_path(X3,X4,X5) ),
    inference(split_conjunct,[status(thm)],[100]) ).

fof(112,negated_conjecture,
    ( complete
    & ? [X7,X4,X5] :
        ( shortest_path(X4,X5,X7)
        & ~ less_or_equal(minus(length_of(X7),n1),number_of_in(triangles,graph)) ) ),
    inference(fof_nnf,[status(thm)],[16]) ).

fof(113,negated_conjecture,
    ( complete
    & ? [X8,X9,X10] :
        ( shortest_path(X9,X10,X8)
        & ~ less_or_equal(minus(length_of(X8),n1),number_of_in(triangles,graph)) ) ),
    inference(variable_rename,[status(thm)],[112]) ).

fof(114,negated_conjecture,
    ( complete
    & shortest_path(esk8_0,esk9_0,esk7_0)
    & ~ less_or_equal(minus(length_of(esk7_0),n1),number_of_in(triangles,graph)) ),
    inference(skolemize,[status(esa)],[113]) ).

cnf(115,negated_conjecture,
    ~ less_or_equal(minus(length_of(esk7_0),n1),number_of_in(triangles,graph)),
    inference(split_conjunct,[status(thm)],[114]) ).

cnf(116,negated_conjecture,
    shortest_path(esk8_0,esk9_0,esk7_0),
    inference(split_conjunct,[status(thm)],[114]) ).

cnf(117,negated_conjecture,
    complete,
    inference(split_conjunct,[status(thm)],[114]) ).

cnf(120,negated_conjecture,
    path(esk8_0,esk9_0,esk7_0),
    inference(spm,[status(thm)],[45,116,theory(equality)]) ).

cnf(149,plain,
    ( triangle(X1,X2,esk6_5(X3,X4,X1,X2,X5))
    | $false
    | ~ sequential(X1,X2)
    | ~ shortest_path(X3,X4,X5)
    | ~ precedes(X1,X2,X5) ),
    inference(rw,[status(thm)],[101,117,theory(equality)]) ).

cnf(150,plain,
    ( triangle(X1,X2,esk6_5(X3,X4,X1,X2,X5))
    | ~ sequential(X1,X2)
    | ~ shortest_path(X3,X4,X5)
    | ~ precedes(X1,X2,X5) ),
    inference(cn,[status(thm)],[149,theory(equality)]) ).

cnf(157,plain,
    ( number_of_in(triangles,X1) = number_of_in(sequential_pairs,X1)
    | ~ path(X2,X3,X1)
    | ~ precedes(esk4_3(X1,X2,X3),esk5_3(X1,X2,X3),X6)
    | ~ shortest_path(X4,X5,X6)
    | ~ sequential(esk4_3(X1,X2,X3),esk5_3(X1,X2,X3)) ),
    inference(spm,[status(thm)],[93,150,theory(equality)]) ).

cnf(179,negated_conjecture,
    length_of(esk7_0) = number_of_in(edges,esk7_0),
    inference(spm,[status(thm)],[82,120,theory(equality)]) ).

cnf(181,negated_conjecture,
    minus(length_of(esk7_0),n1) = number_of_in(sequential_pairs,esk7_0),
    inference(spm,[status(thm)],[96,120,theory(equality)]) ).

cnf(182,negated_conjecture,
    ( precedes(X1,X2,esk7_0)
    | ~ on_path(X2,esk7_0)
    | ~ on_path(X1,esk7_0)
    | ~ sequential(X1,X2) ),
    inference(spm,[status(thm)],[78,120,theory(equality)]) ).

cnf(185,negated_conjecture,
    ~ less_or_equal(minus(number_of_in(edges,esk7_0),n1),number_of_in(triangles,graph)),
    inference(rw,[status(thm)],[115,179,theory(equality)]) ).

cnf(186,negated_conjecture,
    minus(number_of_in(edges,esk7_0),n1) = number_of_in(sequential_pairs,esk7_0),
    inference(rw,[status(thm)],[181,179,theory(equality)]) ).

cnf(187,negated_conjecture,
    ~ less_or_equal(number_of_in(sequential_pairs,esk7_0),number_of_in(triangles,graph)),
    inference(rw,[status(thm)],[185,186,theory(equality)]) ).

cnf(214,negated_conjecture,
    ( precedes(X1,esk5_3(esk7_0,X2,X3),esk7_0)
    | number_of_in(triangles,esk7_0) = number_of_in(sequential_pairs,esk7_0)
    | ~ on_path(X1,esk7_0)
    | ~ sequential(X1,esk5_3(esk7_0,X2,X3))
    | ~ path(X2,X3,esk7_0) ),
    inference(spm,[status(thm)],[182,91,theory(equality)]) ).

cnf(383,plain,
    ( number_of_in(triangles,X1) = number_of_in(sequential_pairs,X1)
    | ~ precedes(esk4_3(X1,X2,X3),esk5_3(X1,X2,X3),X6)
    | ~ path(X2,X3,X1)
    | ~ shortest_path(X4,X5,X6) ),
    inference(csr,[status(thm)],[157,90]) ).

cnf(384,negated_conjecture,
    ( number_of_in(triangles,esk7_0) = number_of_in(sequential_pairs,esk7_0)
    | ~ path(X1,X2,esk7_0)
    | ~ shortest_path(X3,X4,esk7_0)
    | ~ on_path(esk4_3(esk7_0,X1,X2),esk7_0)
    | ~ sequential(esk4_3(esk7_0,X1,X2),esk5_3(esk7_0,X1,X2)) ),
    inference(spm,[status(thm)],[383,214,theory(equality)]) ).

cnf(393,negated_conjecture,
    ( number_of_in(triangles,esk7_0) = number_of_in(sequential_pairs,esk7_0)
    | ~ on_path(esk4_3(esk7_0,X1,X2),esk7_0)
    | ~ path(X1,X2,esk7_0)
    | ~ shortest_path(X3,X4,esk7_0) ),
    inference(csr,[status(thm)],[384,90]) ).

cnf(394,negated_conjecture,
    ( number_of_in(triangles,esk7_0) = number_of_in(sequential_pairs,esk7_0)
    | ~ path(X1,X2,esk7_0)
    | ~ shortest_path(X3,X4,esk7_0) ),
    inference(csr,[status(thm)],[393,92]) ).

cnf(395,negated_conjecture,
    ( number_of_in(triangles,esk7_0) = number_of_in(sequential_pairs,esk7_0)
    | ~ shortest_path(X1,X2,esk7_0) ),
    inference(spm,[status(thm)],[394,120,theory(equality)]) ).

cnf(396,negated_conjecture,
    number_of_in(triangles,esk7_0) = number_of_in(sequential_pairs,esk7_0),
    inference(spm,[status(thm)],[395,116,theory(equality)]) ).

cnf(397,negated_conjecture,
    less_or_equal(number_of_in(sequential_pairs,esk7_0),number_of_in(triangles,graph)),
    inference(spm,[status(thm)],[84,396,theory(equality)]) ).

cnf(409,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[397,187,theory(equality)]) ).

cnf(410,negated_conjecture,
    $false,
    409,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/GRA/GRA002+3.p
% --creating new selector for [GRA001+0.ax]
% -running prover on /tmp/tmpDxktXv/sel_GRA002+3.p_1 with time limit 29
% -prover status Theorem
% Problem GRA002+3.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/GRA/GRA002+3.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/GRA/GRA002+3.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
% 
%------------------------------------------------------------------------------