↑ Up

CSE_E---1.7.THM-CRf.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : CSE_E---1.7
% Problem  : GRA002+2 : TPTP v9.2.1. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d

% Computer : n022.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue May  5 04:22:54 PM UTC 2026

% Result   : Theorem 15.34s 10.17s
% Output   : CNFRefutation 15.42s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   90 (  12 unt;   0 def)
%            Number of atoms       :  350 (  97 equ)
%            Maximal formula atoms :   19 (   3 avg)
%            Number of connectives :  423 ( 163   ~; 182   |;  56   &)
%                                         (   3 <=>;  18  =>;   1  <=;   0 <~>)
%            Maximal formula depth :   17 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   12 (  10 usr;   2 prp; 0-3 aty)
%            Number of functors    :   17 (  17 usr;   8 con; 0-4 aty)
%            Number of variables   :  226 (  27 sgn 104   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(maximal_path_length,conjecture,
    ( complete
   => ! [X4,X2,X3] :
        ( shortest_path(X2,X3,X4)
       => less_or_equal(minus(length_of(X4),n1),number_of_in(triangles,graph)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',maximal_path_length) ).

fof(shortest_path_defn,axiom,
    ! [X2,X3,X10] :
      ( shortest_path(X2,X3,X10)
    <=> ( path(X2,X3,X10)
        & X2 != X3
        & ! [X4] :
            ( path(X2,X3,X4)
           => less_or_equal(length_of(X10),length_of(X4)) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',shortest_path_defn) ).

fof(on_path_properties,axiom,
    ! [X2,X3,X4,X1] :
      ( ( path(X2,X3,X4)
        & on_path(X1,X4) )
     => ( edge(X1)
        & in_path(head_of(X1),X4)
        & in_path(tail_of(X1),X4) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',on_path_properties) ).

fof(sequential_pairs_and_triangles,axiom,
    ! [X4,X2,X3] :
      ( ( path(X2,X3,X4)
        & ! [X7,X8] :
            ( ( on_path(X7,X4)
              & on_path(X8,X4)
              & sequential(X7,X8) )
           => ? [X9] : triangle(X7,X8,X9) ) )
     => number_of_in(sequential_pairs,X4) = number_of_in(triangles,X4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sequential_pairs_and_triangles) ).

fof(precedes_defn,axiom,
    ! [X4,X2,X3] :
      ( path(X2,X3,X4)
     => ! [X7,X8] :
          ( precedes(X7,X8,X4)
         <= ( on_path(X7,X4)
            & on_path(X8,X4)
            & ( sequential(X7,X8)
              | ? [X9] :
                  ( sequential(X7,X9)
                  & precedes(X9,X8,X4) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',precedes_defn) ).

fof(back_edge,lemma,
    ( complete
   => ! [X2,X3,X7,X8,X4] :
        ( ( shortest_path(X2,X3,X4)
          & precedes(X7,X8,X4) )
       => ? [X9] :
            ( edge(X9)
            & tail_of(X9) = head_of(X8)
            & head_of(X9) = tail_of(X7) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',back_edge) ).

fof(sequential_defn,axiom,
    ! [X7,X8] :
      ( sequential(X7,X8)
    <=> ( edge(X7)
        & edge(X8)
        & X7 != X8
        & head_of(X7) = tail_of(X8) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',sequential_defn) ).

fof(triangle_defn,axiom,
    ! [X7,X8,X9] :
      ( triangle(X7,X8,X9)
    <=> ( edge(X7)
        & edge(X8)
        & edge(X9)
        & sequential(X7,X8)
        & sequential(X8,X9)
        & sequential(X9,X7) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',triangle_defn) ).

fof(shortest_path_properties,axiom,
    ! [X2,X3,X7,X8,X4] :
      ( ( shortest_path(X2,X3,X4)
        & precedes(X7,X8,X4) )
     => ( ~ ? [X9] :
              ( tail_of(X9) = tail_of(X7)
              & head_of(X9) = head_of(X8) )
        & ~ precedes(X8,X7,X4) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax',shortest_path_properties) ).

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

fof(length_defn,axiom,
    ! [X2,X3,X4] :
      ( path(X2,X3,X4)
     => length_of(X4) = number_of_in(edges,X4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',length_defn) ).

fof(path_length_sequential_pairs,axiom,
    ! [X2,X3,X4] :
      ( path(X2,X3,X4)
     => number_of_in(sequential_pairs,X4) = minus(length_of(X4),n1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',path_length_sequential_pairs) ).

fof(graph_has_them_all,axiom,
    ! [X11,X12] : less_or_equal(number_of_in(X11,X12),number_of_in(X11,graph)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',graph_has_them_all) ).

fof(c_0_13,negated_conjecture,
    ~ ( complete
     => ! [X4,X2,X3] :
          ( shortest_path(X2,X3,X4)
         => less_or_equal(minus(length_of(X4),n1),number_of_in(triangles,graph)) ) ),
    inference(assume_negation,[status(cth)],[maximal_path_length]) ).

fof(c_0_14,plain,
    ! [X127,X128,X129,X130,X131,X132,X133] :
      ( ( path(X127,X128,X129)
        | ~ shortest_path(X127,X128,X129) )
      & ( X127 != X128
        | ~ shortest_path(X127,X128,X129) )
      & ( ~ path(X127,X128,X130)
        | less_or_equal(length_of(X129),length_of(X130))
        | ~ shortest_path(X127,X128,X129) )
      & ( path(X131,X132,esk6_3(X131,X132,X133))
        | ~ path(X131,X132,X133)
        | X131 = X132
        | shortest_path(X131,X132,X133) )
      & ( ~ less_or_equal(length_of(X133),length_of(esk6_3(X131,X132,X133)))
        | ~ path(X131,X132,X133)
        | X131 = X132
        | shortest_path(X131,X132,X133) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[shortest_path_defn])])])])])]) ).

fof(c_0_15,negated_conjecture,
    ( complete
    & shortest_path(esk11_0,esk12_0,esk10_0)
    & ~ less_or_equal(minus(length_of(esk10_0),n1),number_of_in(triangles,graph)) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_13])])]) ).

fof(c_0_16,plain,
    ! [X103,X104,X105,X106] :
      ( ( edge(X106)
        | ~ path(X103,X104,X105)
        | ~ on_path(X106,X105) )
      & ( in_path(head_of(X106),X105)
        | ~ path(X103,X104,X105)
        | ~ on_path(X106,X105) )
      & ( in_path(tail_of(X106),X105)
        | ~ path(X103,X104,X105)
        | ~ on_path(X106,X105) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[on_path_properties])])]) ).

cnf(c_0_17,plain,
    ( path(X1,X2,X3)
    | ~ shortest_path(X1,X2,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

cnf(c_0_18,negated_conjecture,
    shortest_path(esk11_0,esk12_0,esk10_0),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

fof(c_0_19,plain,
    ! [X150,X151,X152,X155] :
      ( ( on_path(esk7_1(X150),X150)
        | ~ path(X151,X152,X150)
        | number_of_in(sequential_pairs,X150) = number_of_in(triangles,X150) )
      & ( on_path(esk8_1(X150),X150)
        | ~ path(X151,X152,X150)
        | number_of_in(sequential_pairs,X150) = number_of_in(triangles,X150) )
      & ( sequential(esk7_1(X150),esk8_1(X150))
        | ~ path(X151,X152,X150)
        | number_of_in(sequential_pairs,X150) = number_of_in(triangles,X150) )
      & ( ~ triangle(esk7_1(X150),esk8_1(X150),X155)
        | ~ path(X151,X152,X150)
        | number_of_in(sequential_pairs,X150) = number_of_in(triangles,X150) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[sequential_pairs_and_triangles])])])])])]) ).

fof(c_0_20,plain,
    ! [X4,X2,X3] :
      ( path(X2,X3,X4)
     => ! [X7,X8] :
          ( ( on_path(X7,X4)
            & on_path(X8,X4)
            & ( sequential(X7,X8)
              | ? [X9] :
                  ( sequential(X7,X9)
                  & precedes(X9,X8,X4) ) ) )
         => precedes(X7,X8,X4) ) ),
    inference(fof_simplification,[status(thm)],[precedes_defn]) ).

fof(c_0_21,lemma,
    ! [X158,X159,X160,X161,X162] :
      ( ( edge(esk9_4(X158,X159,X160,X161))
        | ~ shortest_path(X158,X159,X162)
        | ~ precedes(X160,X161,X162)
        | ~ complete )
      & ( tail_of(esk9_4(X158,X159,X160,X161)) = head_of(X161)
        | ~ shortest_path(X158,X159,X162)
        | ~ precedes(X160,X161,X162)
        | ~ complete )
      & ( head_of(esk9_4(X158,X159,X160,X161)) = tail_of(X160)
        | ~ shortest_path(X158,X159,X162)
        | ~ precedes(X160,X161,X162)
        | ~ complete ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[back_edge])])])])])]) ).

cnf(c_0_22,plain,
    ( edge(X1)
    | ~ path(X2,X3,X4)
    | ~ on_path(X1,X4) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_23,negated_conjecture,
    path(esk11_0,esk12_0,esk10_0),
    inference(spm,[status(thm)],[c_0_17,c_0_18]) ).

cnf(c_0_24,plain,
    ( on_path(esk7_1(X1),X1)
    | number_of_in(sequential_pairs,X1) = number_of_in(triangles,X1)
    | ~ path(X2,X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

fof(c_0_25,plain,
    ! [X114,X115,X116,X117,X118,X119] :
      ( ( ~ sequential(X117,X118)
        | ~ on_path(X117,X114)
        | ~ on_path(X118,X114)
        | precedes(X117,X118,X114)
        | ~ path(X115,X116,X114) )
      & ( ~ sequential(X117,X119)
        | ~ precedes(X119,X118,X114)
        | ~ on_path(X117,X114)
        | ~ on_path(X118,X114)
        | precedes(X117,X118,X114)
        | ~ path(X115,X116,X114) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_20])])])]) ).

cnf(c_0_26,lemma,
    ( edge(esk9_4(X1,X2,X3,X4))
    | ~ shortest_path(X1,X2,X5)
    | ~ precedes(X3,X4,X5)
    | ~ complete ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

cnf(c_0_27,negated_conjecture,
    complete,
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

fof(c_0_28,plain,
    ! [X112,X113] :
      ( ( edge(X112)
        | ~ sequential(X112,X113) )
      & ( edge(X113)
        | ~ sequential(X112,X113) )
      & ( X112 != X113
        | ~ sequential(X112,X113) )
      & ( head_of(X112) = tail_of(X113)
        | ~ sequential(X112,X113) )
      & ( ~ edge(X112)
        | ~ edge(X113)
        | X112 = X113
        | head_of(X112) != tail_of(X113)
        | sequential(X112,X113) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sequential_defn])])]) ).

cnf(c_0_29,negated_conjecture,
    ( edge(X1)
    | ~ on_path(X1,esk10_0) ),
    inference(spm,[status(thm)],[c_0_22,c_0_23]) ).

cnf(c_0_30,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | on_path(esk7_1(esk10_0),esk10_0) ),
    inference(spm,[status(thm)],[c_0_24,c_0_23]) ).

cnf(c_0_31,lemma,
    ( head_of(esk9_4(X1,X2,X3,X4)) = tail_of(X3)
    | ~ shortest_path(X1,X2,X5)
    | ~ precedes(X3,X4,X5)
    | ~ complete ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

cnf(c_0_32,plain,
    ( precedes(X1,X2,X3)
    | ~ sequential(X1,X2)
    | ~ on_path(X1,X3)
    | ~ on_path(X2,X3)
    | ~ path(X4,X5,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_25]) ).

cnf(c_0_33,plain,
    ( on_path(esk8_1(X1),X1)
    | number_of_in(sequential_pairs,X1) = number_of_in(triangles,X1)
    | ~ path(X2,X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_34,lemma,
    ( edge(esk9_4(X1,X2,X3,X4))
    | ~ shortest_path(X1,X2,X5)
    | ~ precedes(X3,X4,X5) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_26,c_0_27])]) ).

cnf(c_0_35,lemma,
    ( tail_of(esk9_4(X1,X2,X3,X4)) = head_of(X4)
    | ~ shortest_path(X1,X2,X5)
    | ~ precedes(X3,X4,X5)
    | ~ complete ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

fof(c_0_36,plain,
    ! [X141,X142,X143] :
      ( ( edge(X141)
        | ~ triangle(X141,X142,X143) )
      & ( edge(X142)
        | ~ triangle(X141,X142,X143) )
      & ( edge(X143)
        | ~ triangle(X141,X142,X143) )
      & ( sequential(X141,X142)
        | ~ triangle(X141,X142,X143) )
      & ( sequential(X142,X143)
        | ~ triangle(X141,X142,X143) )
      & ( sequential(X143,X141)
        | ~ triangle(X141,X142,X143) )
      & ( ~ edge(X141)
        | ~ edge(X142)
        | ~ edge(X143)
        | ~ sequential(X141,X142)
        | ~ sequential(X142,X143)
        | ~ sequential(X143,X141)
        | triangle(X141,X142,X143) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[triangle_defn])])]) ).

cnf(c_0_37,plain,
    ( X1 = X2
    | sequential(X1,X2)
    | ~ edge(X1)
    | ~ edge(X2)
    | head_of(X1) != tail_of(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

cnf(c_0_38,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | edge(esk7_1(esk10_0)) ),
    inference(spm,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_39,lemma,
    ( head_of(esk9_4(X1,X2,X3,X4)) = tail_of(X3)
    | ~ shortest_path(X1,X2,X5)
    | ~ precedes(X3,X4,X5) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_31,c_0_27])]) ).

cnf(c_0_40,negated_conjecture,
    ( precedes(X1,X2,esk10_0)
    | ~ sequential(X1,X2)
    | ~ on_path(X2,esk10_0)
    | ~ on_path(X1,esk10_0) ),
    inference(spm,[status(thm)],[c_0_32,c_0_23]) ).

cnf(c_0_41,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | on_path(esk8_1(esk10_0),esk10_0) ),
    inference(spm,[status(thm)],[c_0_33,c_0_23]) ).

cnf(c_0_42,plain,
    ( sequential(esk7_1(X1),esk8_1(X1))
    | number_of_in(sequential_pairs,X1) = number_of_in(triangles,X1)
    | ~ path(X2,X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_43,negated_conjecture,
    ( edge(esk9_4(esk11_0,esk12_0,X1,X2))
    | ~ precedes(X1,X2,esk10_0) ),
    inference(spm,[status(thm)],[c_0_34,c_0_18]) ).

cnf(c_0_44,lemma,
    ( tail_of(esk9_4(X1,X2,X3,X4)) = head_of(X4)
    | ~ shortest_path(X1,X2,X5)
    | ~ precedes(X3,X4,X5) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_35,c_0_27])]) ).

cnf(c_0_45,plain,
    ( triangle(X1,X2,X3)
    | ~ edge(X1)
    | ~ edge(X2)
    | ~ edge(X3)
    | ~ sequential(X1,X2)
    | ~ sequential(X2,X3)
    | ~ sequential(X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_36]) ).

cnf(c_0_46,plain,
    ( edge(X1)
    | ~ sequential(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

cnf(c_0_47,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | X1 = esk7_1(esk10_0)
    | sequential(X1,esk7_1(esk10_0))
    | tail_of(esk7_1(esk10_0)) != head_of(X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[c_0_37,c_0_38]) ).

cnf(c_0_48,negated_conjecture,
    ( head_of(esk9_4(esk11_0,esk12_0,X1,X2)) = tail_of(X1)
    | ~ precedes(X1,X2,esk10_0) ),
    inference(spm,[status(thm)],[c_0_39,c_0_18]) ).

cnf(c_0_49,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | precedes(X1,esk8_1(esk10_0),esk10_0)
    | ~ sequential(X1,esk8_1(esk10_0))
    | ~ on_path(X1,esk10_0) ),
    inference(spm,[status(thm)],[c_0_40,c_0_41]) ).

cnf(c_0_50,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | sequential(esk7_1(esk10_0),esk8_1(esk10_0)) ),
    inference(spm,[status(thm)],[c_0_42,c_0_23]) ).

cnf(c_0_51,negated_conjecture,
    ( X1 = esk9_4(esk11_0,esk12_0,X2,X3)
    | sequential(X1,esk9_4(esk11_0,esk12_0,X2,X3))
    | tail_of(esk9_4(esk11_0,esk12_0,X2,X3)) != head_of(X1)
    | ~ precedes(X2,X3,esk10_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[c_0_37,c_0_43]) ).

cnf(c_0_52,negated_conjecture,
    ( tail_of(esk9_4(esk11_0,esk12_0,X1,X2)) = head_of(X2)
    | ~ precedes(X1,X2,esk10_0) ),
    inference(spm,[status(thm)],[c_0_44,c_0_18]) ).

cnf(c_0_53,plain,
    ( number_of_in(sequential_pairs,X1) = number_of_in(triangles,X1)
    | ~ triangle(esk7_1(X1),esk8_1(X1),X2)
    | ~ path(X3,X4,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_54,plain,
    ( triangle(X1,X2,X3)
    | ~ sequential(X3,X1)
    | ~ sequential(X2,X3)
    | ~ sequential(X1,X2) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(csr,[status(thm)],[c_0_45,c_0_46]),c_0_46]),c_0_46]) ).

cnf(c_0_55,negated_conjecture,
    ( esk9_4(esk11_0,esk12_0,X1,X2) = esk7_1(esk10_0)
    | number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | sequential(esk9_4(esk11_0,esk12_0,X1,X2),esk7_1(esk10_0))
    | tail_of(esk7_1(esk10_0)) != tail_of(X1)
    | ~ precedes(X1,X2,esk10_0) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_43]) ).

cnf(c_0_56,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | precedes(esk7_1(esk10_0),esk8_1(esk10_0),esk10_0) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_49,c_0_50]),c_0_30]) ).

cnf(c_0_57,negated_conjecture,
    ( X1 = esk9_4(esk11_0,esk12_0,X2,X3)
    | sequential(X1,esk9_4(esk11_0,esk12_0,X2,X3))
    | head_of(X3) != head_of(X1)
    | ~ precedes(X2,X3,esk10_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[c_0_51,c_0_52]) ).

fof(c_0_58,plain,
    ! [X2,X3,X7,X8,X4] :
      ( ( shortest_path(X2,X3,X4)
        & precedes(X7,X8,X4) )
     => ( ~ ? [X9] :
              ( tail_of(X9) = tail_of(X7)
              & head_of(X9) = head_of(X8) )
        & ~ precedes(X8,X7,X4) ) ),
    inference(fof_simplification,[status(thm)],[shortest_path_properties]) ).

cnf(c_0_59,plain,
    ( number_of_in(triangles,X1) = number_of_in(sequential_pairs,X1)
    | ~ sequential(X2,esk7_1(X1))
    | ~ sequential(esk8_1(X1),X2)
    | ~ path(X3,X4,X1) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_54]),c_0_42]) ).

cnf(c_0_60,negated_conjecture,
    ( esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)) = esk7_1(esk10_0)
    | number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | sequential(esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)),esk7_1(esk10_0)) ),
    inference(spm,[status(thm)],[c_0_55,c_0_56]) ).

cnf(c_0_61,negated_conjecture,
    ( X1 = esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0))
    | number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | sequential(X1,esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)))
    | head_of(esk8_1(esk10_0)) != head_of(X1)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[c_0_57,c_0_56]) ).

cnf(c_0_62,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | edge(esk8_1(esk10_0)) ),
    inference(spm,[status(thm)],[c_0_29,c_0_41]) ).

fof(c_0_63,plain,
    ! [X135,X136,X137,X138,X139,X140] :
      ( ( tail_of(X140) != tail_of(X137)
        | head_of(X140) != head_of(X138)
        | ~ shortest_path(X135,X136,X139)
        | ~ precedes(X137,X138,X139) )
      & ( ~ precedes(X138,X137,X139)
        | ~ shortest_path(X135,X136,X139)
        | ~ precedes(X137,X138,X139) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_58])])])]) ).

fof(c_0_64,plain,
    ! [X87] :
      ( ~ edge(X87)
      | head_of(X87) != tail_of(X87) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[no_loops])]) ).

cnf(c_0_65,negated_conjecture,
    ( esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)) = esk7_1(esk10_0)
    | number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | ~ sequential(esk8_1(esk10_0),esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)))
    | ~ path(X1,X2,esk10_0) ),
    inference(spm,[status(thm)],[c_0_59,c_0_60]) ).

cnf(c_0_66,negated_conjecture,
    ( esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)) = esk8_1(esk10_0)
    | number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | sequential(esk8_1(esk10_0),esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0))) ),
    inference(csr,[status(thm)],[inference(er,[status(thm)],[c_0_61]),c_0_62]) ).

cnf(c_0_67,plain,
    ( tail_of(X1) != tail_of(X2)
    | head_of(X1) != head_of(X3)
    | ~ shortest_path(X4,X5,X6)
    | ~ precedes(X2,X3,X6) ),
    inference(split_conjunct,[status(thm)],[c_0_63]) ).

fof(c_0_68,plain,
    ! [X144,X145,X146] :
      ( ~ path(X144,X145,X146)
      | length_of(X146) = number_of_in(edges,X146) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[length_defn])]) ).

cnf(c_0_69,plain,
    ( ~ edge(X1)
    | head_of(X1) != tail_of(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_64]) ).

cnf(c_0_70,negated_conjecture,
    ( esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)) = esk8_1(esk10_0)
    | esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)) = esk7_1(esk10_0)
    | number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | ~ path(X1,X2,esk10_0) ),
    inference(spm,[status(thm)],[c_0_65,c_0_66]) ).

cnf(c_0_71,negated_conjecture,
    ( head_of(X1) != head_of(X2)
    | tail_of(X1) != tail_of(X3)
    | ~ precedes(X3,X2,esk10_0) ),
    inference(spm,[status(thm)],[c_0_67,c_0_18]) ).

cnf(c_0_72,plain,
    ( head_of(X1) = tail_of(X2)
    | ~ sequential(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

fof(c_0_73,plain,
    ! [X147,X148,X149] :
      ( ~ path(X147,X148,X149)
      | number_of_in(sequential_pairs,X149) = minus(length_of(X149),n1) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[path_length_sequential_pairs])]) ).

cnf(c_0_74,plain,
    ( length_of(X3) = number_of_in(edges,X3)
    | ~ path(X1,X2,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_68]) ).

cnf(c_0_75,negated_conjecture,
    ( head_of(esk9_4(esk11_0,esk12_0,X1,X2)) != head_of(X2)
    | ~ precedes(X1,X2,esk10_0) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_69,c_0_52]),c_0_43]) ).

cnf(c_0_76,negated_conjecture,
    ( esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)) = esk7_1(esk10_0)
    | esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)) = esk8_1(esk10_0)
    | number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0) ),
    inference(spm,[status(thm)],[c_0_70,c_0_23]) ).

cnf(c_0_77,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | head_of(X1) != head_of(esk8_1(esk10_0))
    | tail_of(X1) != tail_of(esk7_1(esk10_0)) ),
    inference(spm,[status(thm)],[c_0_71,c_0_56]) ).

cnf(c_0_78,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | tail_of(esk8_1(esk10_0)) = head_of(esk7_1(esk10_0)) ),
    inference(spm,[status(thm)],[c_0_72,c_0_50]) ).

cnf(c_0_79,plain,
    ( number_of_in(sequential_pairs,X3) = minus(length_of(X3),n1)
    | ~ path(X1,X2,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_73]) ).

cnf(c_0_80,negated_conjecture,
    length_of(esk10_0) = number_of_in(edges,esk10_0),
    inference(spm,[status(thm)],[c_0_74,c_0_23]) ).

fof(c_0_81,plain,
    ! [X156,X157] : less_or_equal(number_of_in(X156,X157),number_of_in(X156,graph)),
    inference(variable_rename,[status(thm)],[graph_has_them_all]) ).

cnf(c_0_82,negated_conjecture,
    ( esk9_4(esk11_0,esk12_0,esk7_1(esk10_0),esk8_1(esk10_0)) = esk7_1(esk10_0)
    | number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_75,c_0_76]),c_0_56]) ).

cnf(c_0_83,negated_conjecture,
    ( number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0)
    | tail_of(esk7_1(esk10_0)) != head_of(esk7_1(esk10_0)) ),
    inference(spm,[status(thm)],[c_0_77,c_0_78]) ).

cnf(c_0_84,negated_conjecture,
    ~ less_or_equal(minus(length_of(esk10_0),n1),number_of_in(triangles,graph)),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_85,negated_conjecture,
    minus(number_of_in(edges,esk10_0),n1) = number_of_in(sequential_pairs,esk10_0),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_79,c_0_23]),c_0_80]) ).

cnf(c_0_86,plain,
    less_or_equal(number_of_in(X1,X2),number_of_in(X1,graph)),
    inference(split_conjunct,[status(thm)],[c_0_81]) ).

cnf(c_0_87,negated_conjecture,
    number_of_in(triangles,esk10_0) = number_of_in(sequential_pairs,esk10_0),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_48,c_0_82]),c_0_56]),c_0_83]) ).

cnf(c_0_88,negated_conjecture,
    ~ less_or_equal(number_of_in(sequential_pairs,esk10_0),number_of_in(triangles,graph)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_84,c_0_80]),c_0_85]) ).

cnf(c_0_89,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_86,c_0_87]),c_0_88]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem    : GRA002+2 : TPTP v9.2.1. Bugfixed v3.2.0.
% 0.00/0.11  % Command    : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.14/0.32  % Computer : n022.cluster.edu
% 0.14/0.32  % Model    : x86_64 x86_64
% 0.14/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.32  % Memory   : 8042.1875MB
% 0.14/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.32  % CPULimit   : 300
% 0.14/0.32  % WCLimit    : 300
% 0.14/0.32  % DateTime   : Mon May  4 18:16:06 EDT 2026
% 0.14/0.32  % CPUTime    : 
% 0.14/0.33  % start to proof: theBenchmark
% 15.34/10.17  % Version  : CSE_E---1.7
% 15.34/10.17  % Problem  : theBenchmark.p
% 15.34/10.17  % SZS status Theorem for theBenchmark.p
% 15.34/10.17  % SZS output start CNFRefutation
% See solution above
% 15.42/10.23  % Total time : 7.383s
%------------------------------------------------------------------------------