TSTP Solution File: GRA009+1 by E---3.2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : E---3.2.0
% Problem  : GRA009+1 : TPTP v8.2.0. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_E %s %d THM

% Computer : n009.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 : Mon Jun 24 06:34:40 EDT 2024

% Result   : Theorem 3.69s 0.93s
% Output   : CNFRefutation 3.69s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   92 (  14 unt;   0 def)
%            Number of atoms       :  425 ( 148 equ)
%            Maximal formula atoms :   37 (   4 avg)
%            Number of connectives :  543 ( 210   ~; 236   |;  71   &)
%                                         (   6 <=>;  18  =>;   1  <=;   1 <~>)
%            Maximal formula depth :   17 (   6 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   12 (  10 usr;   2 prp; 0-3 aty)
%            Number of functors    :   10 (  10 usr;   5 con; 0-3 aty)
%            Number of variables   :  181 (  11 sgn  81   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(complete_properties,axiom,
    ( complete
   => ! [X2,X3] :
        ( ( vertex(X2)
          & vertex(X3)
          & X2 != X3 )
       => ? [X1] :
            ( edge(X1)
            & ( ( X2 = head_of(X1)
                & X3 = tail_of(X1) )
            <~> ( X3 = head_of(X1)
                & X2 = tail_of(X1) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p',complete_properties) ).

fof(complete_means_path_and_stuff_means_triangles,conjecture,
    ( complete
   => ! [X2,X3,X4,X7,X8] :
        ( ( shortest_path(X2,X3,X4)
          & on_path(X7,X4)
          & on_path(X8,X4)
          & sequential(X7,X8) )
       => ? [X9] : triangle(X7,X8,X9) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p',complete_means_path_and_stuff_means_triangles) ).

fof(sequential_defn,axiom,
    ! [X7,X8] :
      ( sequential(X7,X8)
    <=> ( edge(X7)
        & edge(X8)
        & X7 != X8
        & head_of(X7) = tail_of(X8) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p',sequential_defn) ).

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/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p',precedes_defn) ).

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/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p',shortest_path_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/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p',triangle_defn) ).

fof(edge_ends_are_vertices,axiom,
    ! [X1] :
      ( edge(X1)
     => ( vertex(head_of(X1))
        & vertex(tail_of(X1)) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p',edge_ends_are_vertices) ).

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/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p',shortest_path_properties) ).

fof(no_loops,axiom,
    ! [X1] :
      ( edge(X1)
     => head_of(X1) != tail_of(X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p',no_loops) ).

fof(c_0_9,plain,
    ( complete
   => ! [X2,X3] :
        ( ( vertex(X2)
          & vertex(X3)
          & X2 != X3 )
       => ? [X1] :
            ( edge(X1)
            & ~ ( ( X2 = head_of(X1)
                  & X3 = tail_of(X1) )
              <=> ( X3 = head_of(X1)
                  & X2 = tail_of(X1) ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[complete_properties]) ).

fof(c_0_10,negated_conjecture,
    ~ ( complete
     => ! [X2,X3,X4,X7,X8] :
          ( ( shortest_path(X2,X3,X4)
            & on_path(X7,X4)
            & on_path(X8,X4)
            & sequential(X7,X8) )
         => ? [X9] : triangle(X7,X8,X9) ) ),
    inference(assume_negation,[status(cth)],[complete_means_path_and_stuff_means_triangles]) ).

fof(c_0_11,plain,
    ! [X7,X8] :
      ( sequential(X7,X8)
    <=> ( edge(X7)
        & edge(X8)
        & X7 != X8
        & head_of(X7) = tail_of(X8) ) ),
    inference(fof_simplification,[status(thm)],[sequential_defn]) ).

fof(c_0_12,plain,
    ! [X38,X39] :
      ( ( edge(esk7_2(X38,X39))
        | ~ vertex(X38)
        | ~ vertex(X39)
        | X38 = X39
        | ~ complete )
      & ( X38 != head_of(esk7_2(X38,X39))
        | X39 != tail_of(esk7_2(X38,X39))
        | X39 != head_of(esk7_2(X38,X39))
        | X38 != tail_of(esk7_2(X38,X39))
        | ~ vertex(X38)
        | ~ vertex(X39)
        | X38 = X39
        | ~ complete )
      & ( X39 = head_of(esk7_2(X38,X39))
        | X38 = head_of(esk7_2(X38,X39))
        | ~ vertex(X38)
        | ~ vertex(X39)
        | X38 = X39
        | ~ complete )
      & ( X38 = tail_of(esk7_2(X38,X39))
        | X38 = head_of(esk7_2(X38,X39))
        | ~ vertex(X38)
        | ~ vertex(X39)
        | X38 = X39
        | ~ complete )
      & ( X39 = head_of(esk7_2(X38,X39))
        | X39 = tail_of(esk7_2(X38,X39))
        | ~ vertex(X38)
        | ~ vertex(X39)
        | X38 = X39
        | ~ complete )
      & ( X38 = tail_of(esk7_2(X38,X39))
        | X39 = tail_of(esk7_2(X38,X39))
        | ~ vertex(X38)
        | ~ vertex(X39)
        | X38 = X39
        | ~ complete ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_9])])])])])]) ).

fof(c_0_13,negated_conjecture,
    ! [X18] :
      ( complete
      & shortest_path(esk1_0,esk2_0,esk3_0)
      & on_path(esk4_0,esk3_0)
      & on_path(esk5_0,esk3_0)
      & sequential(esk4_0,esk5_0)
      & ~ triangle(esk4_0,esk5_0,X18) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_10])])])])]) ).

fof(c_0_14,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_15,plain,
    ! [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)) ) ) ),
    inference(fof_simplification,[status(thm)],[shortest_path_defn]) ).

fof(c_0_16,plain,
    ! [X19,X20,X21] :
      ( ( edge(X19)
        | ~ triangle(X19,X20,X21) )
      & ( edge(X20)
        | ~ triangle(X19,X20,X21) )
      & ( edge(X21)
        | ~ triangle(X19,X20,X21) )
      & ( sequential(X19,X20)
        | ~ triangle(X19,X20,X21) )
      & ( sequential(X20,X21)
        | ~ triangle(X19,X20,X21) )
      & ( sequential(X21,X19)
        | ~ triangle(X19,X20,X21) )
      & ( ~ edge(X19)
        | ~ edge(X20)
        | ~ edge(X21)
        | ~ sequential(X19,X20)
        | ~ sequential(X20,X21)
        | ~ sequential(X21,X19)
        | triangle(X19,X20,X21) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[triangle_defn])])])]) ).

fof(c_0_17,plain,
    ! [X22,X23] :
      ( ( edge(X22)
        | ~ sequential(X22,X23) )
      & ( edge(X23)
        | ~ sequential(X22,X23) )
      & ( X22 != X23
        | ~ sequential(X22,X23) )
      & ( head_of(X22) = tail_of(X23)
        | ~ sequential(X22,X23) )
      & ( ~ edge(X22)
        | ~ edge(X23)
        | X22 = X23
        | head_of(X22) != tail_of(X23)
        | sequential(X22,X23) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_11])])])]) ).

cnf(c_0_18,plain,
    ( X1 = head_of(esk7_2(X2,X1))
    | X2 = head_of(esk7_2(X2,X1))
    | X2 = X1
    | ~ vertex(X2)
    | ~ vertex(X1)
    | ~ complete ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_19,negated_conjecture,
    complete,
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

fof(c_0_20,plain,
    ! [X55] :
      ( ( vertex(head_of(X55))
        | ~ edge(X55) )
      & ( vertex(tail_of(X55))
        | ~ edge(X55) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[edge_ends_are_vertices])])])]) ).

fof(c_0_21,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]) ).

fof(c_0_22,plain,
    ! [X42,X43,X44,X45,X46,X47] :
      ( ( ~ sequential(X45,X46)
        | ~ on_path(X45,X42)
        | ~ on_path(X46,X42)
        | precedes(X45,X46,X42)
        | ~ path(X43,X44,X42) )
      & ( ~ sequential(X45,X47)
        | ~ precedes(X47,X46,X42)
        | ~ on_path(X45,X42)
        | ~ on_path(X46,X42)
        | precedes(X45,X46,X42)
        | ~ path(X43,X44,X42) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_14])])])])]) ).

fof(c_0_23,plain,
    ! [X24,X25,X26,X27,X28,X29,X30] :
      ( ( path(X24,X25,X26)
        | ~ shortest_path(X24,X25,X26) )
      & ( X24 != X25
        | ~ shortest_path(X24,X25,X26) )
      & ( ~ path(X24,X25,X27)
        | less_or_equal(length_of(X26),length_of(X27))
        | ~ shortest_path(X24,X25,X26) )
      & ( path(X28,X29,esk6_3(X28,X29,X30))
        | ~ path(X28,X29,X30)
        | X28 = X29
        | shortest_path(X28,X29,X30) )
      & ( ~ less_or_equal(length_of(X30),length_of(esk6_3(X28,X29,X30)))
        | ~ path(X28,X29,X30)
        | X28 = X29
        | shortest_path(X28,X29,X30) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[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)],[c_0_15])])])])])])]) ).

cnf(c_0_24,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_16]) ).

cnf(c_0_25,plain,
    ( edge(X1)
    | ~ sequential(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_26,plain,
    ( head_of(esk7_2(X1,X2)) = X2
    | head_of(esk7_2(X1,X2)) = X1
    | X2 = X1
    | ~ vertex(X1)
    | ~ vertex(X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_18,c_0_19])]) ).

cnf(c_0_27,plain,
    ( vertex(head_of(X1))
    | ~ edge(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

fof(c_0_28,plain,
    ! [X32,X33,X34,X35,X36,X37] :
      ( ( tail_of(X37) != tail_of(X34)
        | head_of(X37) != head_of(X35)
        | ~ shortest_path(X32,X33,X36)
        | ~ precedes(X34,X35,X36) )
      & ( ~ precedes(X35,X34,X36)
        | ~ shortest_path(X32,X33,X36)
        | ~ precedes(X34,X35,X36) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_21])])])])]) ).

cnf(c_0_29,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_22]) ).

cnf(c_0_30,plain,
    ( path(X1,X2,X3)
    | ~ shortest_path(X1,X2,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_31,negated_conjecture,
    ~ triangle(esk4_0,esk5_0,X1),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_32,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_24,c_0_25]),c_0_25]),c_0_25]) ).

cnf(c_0_33,negated_conjecture,
    sequential(esk4_0,esk5_0),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_34,plain,
    ( head_of(esk7_2(head_of(X1),X2)) = head_of(X1)
    | head_of(esk7_2(head_of(X1),X2)) = X2
    | X2 = head_of(X1)
    | ~ vertex(X2)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[c_0_26,c_0_27]) ).

cnf(c_0_35,plain,
    ( vertex(tail_of(X1))
    | ~ edge(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

cnf(c_0_36,plain,
    ( edge(X1)
    | ~ sequential(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_37,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_28]) ).

cnf(c_0_38,negated_conjecture,
    shortest_path(esk1_0,esk2_0,esk3_0),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_39,plain,
    ( precedes(X1,X2,X3)
    | ~ shortest_path(X4,X5,X3)
    | ~ sequential(X1,X2)
    | ~ on_path(X2,X3)
    | ~ on_path(X1,X3) ),
    inference(spm,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_40,negated_conjecture,
    ( ~ sequential(X1,esk4_0)
    | ~ sequential(esk5_0,X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_31,c_0_32]),c_0_33])]) ).

cnf(c_0_41,plain,
    ( X1 = X2
    | sequential(X1,X2)
    | ~ edge(X1)
    | ~ edge(X2)
    | head_of(X1) != tail_of(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

fof(c_0_42,plain,
    ! [X1] :
      ( edge(X1)
     => head_of(X1) != tail_of(X1) ),
    inference(fof_simplification,[status(thm)],[no_loops]) ).

cnf(c_0_43,plain,
    ( head_of(esk7_2(head_of(X1),tail_of(X2))) = tail_of(X2)
    | head_of(esk7_2(head_of(X1),tail_of(X2))) = head_of(X1)
    | tail_of(X2) = head_of(X1)
    | ~ edge(X1)
    | ~ edge(X2) ),
    inference(spm,[status(thm)],[c_0_34,c_0_35]) ).

cnf(c_0_44,negated_conjecture,
    edge(esk5_0),
    inference(spm,[status(thm)],[c_0_36,c_0_33]) ).

cnf(c_0_45,plain,
    ( X1 = tail_of(esk7_2(X1,X2))
    | X2 = tail_of(esk7_2(X1,X2))
    | X1 = X2
    | ~ vertex(X1)
    | ~ vertex(X2)
    | ~ complete ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_46,negated_conjecture,
    ( head_of(X1) != head_of(X2)
    | tail_of(X1) != tail_of(X3)
    | ~ precedes(X3,X2,esk3_0) ),
    inference(spm,[status(thm)],[c_0_37,c_0_38]) ).

cnf(c_0_47,negated_conjecture,
    ( precedes(X1,X2,esk3_0)
    | ~ sequential(X1,X2)
    | ~ on_path(X2,esk3_0)
    | ~ on_path(X1,esk3_0) ),
    inference(spm,[status(thm)],[c_0_39,c_0_38]) ).

cnf(c_0_48,negated_conjecture,
    ( X1 = esk4_0
    | head_of(X1) != tail_of(esk4_0)
    | ~ sequential(esk5_0,X1)
    | ~ edge(esk4_0) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_40,c_0_41]),c_0_36]) ).

cnf(c_0_49,negated_conjecture,
    edge(esk4_0),
    inference(spm,[status(thm)],[c_0_25,c_0_33]) ).

fof(c_0_50,plain,
    ! [X41] :
      ( ~ edge(X41)
      | head_of(X41) != tail_of(X41) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_42])])]) ).

cnf(c_0_51,negated_conjecture,
    ( head_of(esk7_2(head_of(esk5_0),tail_of(X1))) = head_of(esk5_0)
    | head_of(esk7_2(head_of(esk5_0),tail_of(X1))) = tail_of(X1)
    | tail_of(X1) = head_of(esk5_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[c_0_43,c_0_44]) ).

cnf(c_0_52,plain,
    ( tail_of(esk7_2(X1,X2)) = X1
    | tail_of(esk7_2(X1,X2)) = X2
    | X1 = X2
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_45,c_0_19])]) ).

cnf(c_0_53,negated_conjecture,
    ( head_of(X1) != head_of(X2)
    | tail_of(X1) != tail_of(X3)
    | ~ sequential(X3,X2)
    | ~ on_path(X2,esk3_0)
    | ~ on_path(X3,esk3_0) ),
    inference(spm,[status(thm)],[c_0_46,c_0_47]) ).

cnf(c_0_54,negated_conjecture,
    on_path(esk5_0,esk3_0),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_55,negated_conjecture,
    on_path(esk4_0,esk3_0),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_56,negated_conjecture,
    ( X1 = esk4_0
    | head_of(X1) != tail_of(esk4_0)
    | ~ sequential(esk5_0,X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_48,c_0_49])]) ).

cnf(c_0_57,plain,
    ( ~ edge(X1)
    | head_of(X1) != tail_of(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_50]) ).

cnf(c_0_58,negated_conjecture,
    ( head_of(esk7_2(head_of(esk5_0),tail_of(esk4_0))) = tail_of(esk4_0)
    | head_of(esk7_2(head_of(esk5_0),tail_of(esk4_0))) = head_of(esk5_0)
    | head_of(esk5_0) = tail_of(esk4_0) ),
    inference(spm,[status(thm)],[c_0_51,c_0_49]) ).

cnf(c_0_59,plain,
    ( tail_of(esk7_2(X1,tail_of(X2))) = tail_of(X2)
    | tail_of(esk7_2(X1,tail_of(X2))) = X1
    | X1 = tail_of(X2)
    | ~ vertex(X1)
    | ~ edge(X2) ),
    inference(spm,[status(thm)],[c_0_52,c_0_35]) ).

cnf(c_0_60,negated_conjecture,
    ( head_of(X1) != head_of(esk5_0)
    | tail_of(X1) != tail_of(esk4_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_33]),c_0_54]),c_0_55])]) ).

cnf(c_0_61,negated_conjecture,
    ( esk5_0 = X1
    | X1 = esk4_0
    | head_of(X1) != tail_of(esk4_0)
    | tail_of(X1) != head_of(esk5_0)
    | ~ edge(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_41]),c_0_44])]) ).

cnf(c_0_62,negated_conjecture,
    ( head_of(esk7_2(head_of(esk5_0),tail_of(esk4_0))) = tail_of(esk4_0)
    | head_of(esk5_0) = tail_of(esk4_0)
    | tail_of(esk7_2(head_of(esk5_0),tail_of(esk4_0))) != head_of(esk5_0)
    | ~ edge(esk7_2(head_of(esk5_0),tail_of(esk4_0))) ),
    inference(spm,[status(thm)],[c_0_57,c_0_58]) ).

cnf(c_0_63,plain,
    ( tail_of(esk7_2(head_of(X1),tail_of(X2))) = head_of(X1)
    | tail_of(esk7_2(head_of(X1),tail_of(X2))) = tail_of(X2)
    | head_of(X1) = tail_of(X2)
    | ~ edge(X2)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[c_0_59,c_0_27]) ).

cnf(c_0_64,negated_conjecture,
    ( head_of(esk7_2(head_of(esk5_0),tail_of(esk4_0))) = tail_of(esk4_0)
    | head_of(esk5_0) = tail_of(esk4_0)
    | tail_of(esk7_2(head_of(esk5_0),tail_of(esk4_0))) != tail_of(esk4_0) ),
    inference(spm,[status(thm)],[c_0_60,c_0_58]) ).

cnf(c_0_65,negated_conjecture,
    ( esk7_2(head_of(esk5_0),tail_of(esk4_0)) = esk4_0
    | esk7_2(head_of(esk5_0),tail_of(esk4_0)) = esk5_0
    | head_of(esk5_0) = tail_of(esk4_0)
    | tail_of(esk7_2(head_of(esk5_0),tail_of(esk4_0))) != head_of(esk5_0)
    | ~ edge(esk7_2(head_of(esk5_0),tail_of(esk4_0))) ),
    inference(spm,[status(thm)],[c_0_61,c_0_62]) ).

cnf(c_0_66,negated_conjecture,
    ( tail_of(esk7_2(head_of(X1),tail_of(esk4_0))) = tail_of(esk4_0)
    | tail_of(esk7_2(head_of(X1),tail_of(esk4_0))) = head_of(X1)
    | head_of(X1) = tail_of(esk4_0)
    | ~ edge(X1) ),
    inference(spm,[status(thm)],[c_0_63,c_0_49]) ).

cnf(c_0_67,negated_conjecture,
    ( head_of(esk5_0) = tail_of(esk4_0)
    | tail_of(esk7_2(head_of(esk5_0),tail_of(esk4_0))) != tail_of(esk4_0)
    | ~ edge(esk7_2(head_of(esk5_0),tail_of(esk4_0))) ),
    inference(spm,[status(thm)],[c_0_57,c_0_64]) ).

cnf(c_0_68,plain,
    ( edge(esk7_2(X1,X2))
    | X1 = X2
    | ~ vertex(X1)
    | ~ vertex(X2)
    | ~ complete ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_69,plain,
    ( head_of(X1) = tail_of(X2)
    | ~ sequential(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_70,plain,
    ( ~ precedes(X1,X2,X3)
    | ~ shortest_path(X4,X5,X3)
    | ~ precedes(X2,X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

cnf(c_0_71,plain,
    ( X1 = tail_of(esk7_2(X1,X2))
    | X1 = head_of(esk7_2(X1,X2))
    | X1 = X2
    | ~ vertex(X1)
    | ~ vertex(X2)
    | ~ complete ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_72,plain,
    ( X1 = head_of(esk7_2(X2,X1))
    | X1 = tail_of(esk7_2(X2,X1))
    | X2 = X1
    | ~ vertex(X2)
    | ~ vertex(X1)
    | ~ complete ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_73,negated_conjecture,
    ( esk7_2(head_of(esk5_0),tail_of(esk4_0)) = esk5_0
    | esk7_2(head_of(esk5_0),tail_of(esk4_0)) = esk4_0
    | head_of(esk5_0) = tail_of(esk4_0)
    | ~ edge(esk7_2(head_of(esk5_0),tail_of(esk4_0))) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_65,c_0_66]),c_0_44])]),c_0_67]) ).

cnf(c_0_74,plain,
    ( X1 = X2
    | edge(esk7_2(X1,X2))
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_68,c_0_19])]) ).

cnf(c_0_75,negated_conjecture,
    head_of(esk4_0) = tail_of(esk5_0),
    inference(spm,[status(thm)],[c_0_69,c_0_33]) ).

cnf(c_0_76,negated_conjecture,
    ( ~ precedes(X1,X2,esk3_0)
    | ~ precedes(X2,X1,esk3_0) ),
    inference(spm,[status(thm)],[c_0_70,c_0_38]) ).

cnf(c_0_77,plain,
    ( tail_of(esk7_2(X1,X2)) = X1
    | head_of(esk7_2(X1,X2)) = X1
    | X1 = X2
    | ~ vertex(X2)
    | ~ vertex(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_71,c_0_19])]) ).

cnf(c_0_78,plain,
    ( tail_of(esk7_2(X1,X2)) = X2
    | head_of(esk7_2(X1,X2)) = X2
    | X2 = X1
    | ~ vertex(X1)
    | ~ vertex(X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_72,c_0_19])]) ).

cnf(c_0_79,negated_conjecture,
    ( esk7_2(head_of(esk5_0),tail_of(esk4_0)) = esk4_0
    | esk7_2(head_of(esk5_0),tail_of(esk4_0)) = esk5_0
    | head_of(esk5_0) = tail_of(esk4_0)
    | ~ vertex(tail_of(esk4_0))
    | ~ vertex(head_of(esk5_0)) ),
    inference(spm,[status(thm)],[c_0_73,c_0_74]) ).

cnf(c_0_80,negated_conjecture,
    tail_of(esk5_0) != tail_of(esk4_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_57,c_0_75]),c_0_49])]) ).

cnf(c_0_81,negated_conjecture,
    ( ~ precedes(X1,X2,esk3_0)
    | ~ sequential(X2,X1)
    | ~ on_path(X1,esk3_0)
    | ~ on_path(X2,esk3_0) ),
    inference(spm,[status(thm)],[c_0_76,c_0_47]) ).

cnf(c_0_82,negated_conjecture,
    ( tail_of(esk7_2(head_of(esk5_0),X1)) = head_of(esk5_0)
    | head_of(esk5_0) = X1
    | tail_of(esk7_2(head_of(esk5_0),X1)) != tail_of(esk4_0)
    | ~ vertex(head_of(esk5_0))
    | ~ vertex(X1) ),
    inference(er,[status(thm)],[inference(spm,[status(thm)],[c_0_60,c_0_77])]) ).

cnf(c_0_83,negated_conjecture,
    ( esk7_2(head_of(esk5_0),tail_of(esk4_0)) = esk4_0
    | head_of(esk5_0) = tail_of(esk4_0)
    | ~ vertex(head_of(esk5_0))
    | ~ vertex(tail_of(esk4_0)) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_78,c_0_79]),c_0_80]) ).

cnf(c_0_84,negated_conjecture,
    ( ~ sequential(X1,X2)
    | ~ sequential(X2,X1)
    | ~ on_path(X2,esk3_0)
    | ~ on_path(X1,esk3_0) ),
    inference(spm,[status(thm)],[c_0_81,c_0_47]) ).

cnf(c_0_85,negated_conjecture,
    ( head_of(esk5_0) = tail_of(esk4_0)
    | ~ vertex(head_of(esk5_0))
    | ~ vertex(tail_of(esk4_0)) ),
    inference(spm,[status(thm)],[c_0_82,c_0_83]) ).

cnf(c_0_86,negated_conjecture,
    ~ sequential(esk5_0,esk4_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_84,c_0_33]),c_0_54]),c_0_55])]) ).

cnf(c_0_87,negated_conjecture,
    ( head_of(esk5_0) = tail_of(esk4_0)
    | ~ vertex(tail_of(esk4_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_85,c_0_27]),c_0_44])]) ).

cnf(c_0_88,negated_conjecture,
    ( esk5_0 = esk4_0
    | head_of(esk5_0) != tail_of(esk4_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_86,c_0_41]),c_0_49]),c_0_44])]) ).

cnf(c_0_89,negated_conjecture,
    head_of(esk5_0) = tail_of(esk4_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_87,c_0_35]),c_0_49])]) ).

cnf(c_0_90,negated_conjecture,
    esk5_0 = esk4_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_88,c_0_89])]) ).

cnf(c_0_91,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_80,c_0_90])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : GRA009+1 : TPTP v8.2.0. Bugfixed v3.2.0.
% 0.07/0.13  % Command    : run_E %s %d THM
% 0.12/0.35  % Computer : n009.cluster.edu
% 0.12/0.35  % Model    : x86_64 x86_64
% 0.12/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.35  % Memory   : 8042.1875MB
% 0.12/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.35  % CPULimit   : 300
% 0.12/0.35  % WCLimit    : 300
% 0.12/0.35  % DateTime   : Tue Jun 18 15:03:09 EDT 2024
% 0.12/0.35  % CPUTime    : 
% 0.20/0.50  Running first-order theorem proving
% 0.20/0.50  Running: /export/starexec/sandbox2/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --auto-schedule=8 --cpu-limit=300 /export/starexec/sandbox2/tmp/tmp.y7yps8os9U/E---3.1_1042.p
% 3.69/0.93  # Version: 3.2.0
% 3.69/0.93  # Preprocessing class: FSMSSMSSSSSNFFN.
% 3.69/0.93  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 3.69/0.93  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 3.69/0.93  # Starting new_bool_3 with 300s (1) cores
% 3.69/0.93  # Starting new_bool_1 with 300s (1) cores
% 3.69/0.93  # Starting sh5l with 300s (1) cores
% 3.69/0.93  # new_bool_3 with pid 1134 completed with status 0
% 3.69/0.93  # Result found by new_bool_3
% 3.69/0.93  # Preprocessing class: FSMSSMSSSSSNFFN.
% 3.69/0.93  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 3.69/0.93  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 3.69/0.93  # Starting new_bool_3 with 300s (1) cores
% 3.69/0.93  # SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 3.69/0.93  # Search class: FGHSF-FFMS31-SFFFFFNN
% 3.69/0.93  # Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 3.69/0.93  # Starting G-E--_207_C01_F1_SE_CS_SP_PI_S5PRR_S0Y with 164s (1) cores
% 3.69/0.93  # G-E--_207_C01_F1_SE_CS_SP_PI_S5PRR_S0Y with pid 1139 completed with status 0
% 3.69/0.93  # Result found by G-E--_207_C01_F1_SE_CS_SP_PI_S5PRR_S0Y
% 3.69/0.93  # Preprocessing class: FSMSSMSSSSSNFFN.
% 3.69/0.93  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 3.69/0.93  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 3.69/0.93  # Starting new_bool_3 with 300s (1) cores
% 3.69/0.93  # SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 3.69/0.93  # Search class: FGHSF-FFMS31-SFFFFFNN
% 3.69/0.93  # Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 3.69/0.93  # Starting G-E--_207_C01_F1_SE_CS_SP_PI_S5PRR_S0Y with 164s (1) cores
% 3.69/0.93  # Preprocessing time       : 0.002 s
% 3.69/0.93  
% 3.69/0.93  # Proof found!
% 3.69/0.93  # SZS status Theorem
% 3.69/0.93  # SZS output start CNFRefutation
% See solution above
% 3.69/0.93  # Parsed axioms                        : 18
% 3.69/0.93  # Removed by relevancy pruning/SinE    : 8
% 3.69/0.93  # Initial clauses                      : 41
% 3.69/0.93  # Removed in clause preprocessing      : 1
% 3.69/0.93  # Initial clauses in saturation        : 40
% 3.69/0.93  # Processed clauses                    : 2627
% 3.69/0.93  # ...of these trivial                  : 34
% 3.69/0.93  # ...subsumed                          : 1714
% 3.69/0.93  # ...remaining for further processing  : 879
% 3.69/0.93  # Other redundant clauses eliminated   : 110
% 3.69/0.93  # Clauses deleted for lack of memory   : 0
% 3.69/0.93  # Backward-subsumed                    : 150
% 3.69/0.93  # Backward-rewritten                   : 545
% 3.69/0.93  # Generated clauses                    : 9236
% 3.69/0.93  # ...of the previous two non-redundant : 8667
% 3.69/0.93  # ...aggressively subsumed             : 0
% 3.69/0.93  # Contextual simplify-reflections      : 288
% 3.69/0.93  # Paramodulations                      : 9056
% 3.69/0.93  # Factorizations                       : 31
% 3.69/0.93  # NegExts                              : 0
% 3.69/0.93  # Equation resolutions                 : 149
% 3.69/0.93  # Disequality decompositions           : 0
% 3.69/0.93  # Total rewrite steps                  : 4163
% 3.69/0.93  # ...of those cached                   : 4152
% 3.69/0.93  # Propositional unsat checks           : 0
% 3.69/0.93  #    Propositional check models        : 0
% 3.69/0.93  #    Propositional check unsatisfiable : 0
% 3.69/0.93  #    Propositional clauses             : 0
% 3.69/0.93  #    Propositional clauses after purity: 0
% 3.69/0.93  #    Propositional unsat core size     : 0
% 3.69/0.93  #    Propositional preprocessing time  : 0.000
% 3.69/0.93  #    Propositional encoding time       : 0.000
% 3.69/0.93  #    Propositional solver time         : 0.000
% 3.69/0.93  #    Success case prop preproc time    : 0.000
% 3.69/0.93  #    Success case prop encoding time   : 0.000
% 3.69/0.93  #    Success case prop solver time     : 0.000
% 3.69/0.93  # Current number of processed clauses  : 182
% 3.69/0.93  #    Positive orientable unit clauses  : 7
% 3.69/0.93  #    Positive unorientable unit clauses: 0
% 3.69/0.93  #    Negative unit clauses             : 2
% 3.69/0.93  #    Non-unit-clauses                  : 173
% 3.69/0.93  # Current number of unprocessed clauses: 5323
% 3.69/0.93  # ...number of literals in the above   : 54289
% 3.69/0.93  # Current number of archived formulas  : 0
% 3.69/0.93  # Current number of archived clauses   : 695
% 3.69/0.93  # Clause-clause subsumption calls (NU) : 180005
% 3.69/0.93  # Rec. Clause-clause subsumption calls : 15661
% 3.69/0.93  # Non-unit clause-clause subsumptions  : 1697
% 3.69/0.93  # Unit Clause-clause subsumption calls : 244
% 3.69/0.93  # Rewrite failures with RHS unbound    : 0
% 3.69/0.93  # BW rewrite match attempts            : 3
% 3.69/0.93  # BW rewrite match successes           : 3
% 3.69/0.93  # Condensation attempts                : 0
% 3.69/0.93  # Condensation successes               : 0
% 3.69/0.93  # Termbank termtop insertions          : 314841
% 3.69/0.93  # Search garbage collected termcells   : 877
% 3.69/0.93  
% 3.69/0.93  # -------------------------------------------------
% 3.69/0.93  # User time                : 0.410 s
% 3.69/0.93  # System time              : 0.010 s
% 3.69/0.93  # Total time               : 0.420 s
% 3.69/0.93  # Maximum resident set size: 1872 pages
% 3.69/0.93  
% 3.69/0.93  # -------------------------------------------------
% 3.69/0.93  # User time                : 0.411 s
% 3.69/0.93  # System time              : 0.013 s
% 3.69/0.93  # Total time               : 0.424 s
% 3.69/0.93  # Maximum resident set size: 1736 pages
% 3.69/0.93  % E---3.1 exiting
% 3.69/0.93  % E exiting
%------------------------------------------------------------------------------