TSTP Solution File: GRA002+4 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : GRA002+4 : TPTP v3.4.2. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art09.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory   : 1003MB
% OS       : Linux 2.6.11-1.1369_FC4
% CPULimit : 600s
% DateTime : Wed May  6 12:16:02 EDT 2009

% Result   : Theorem 0.2s
% Output   : Refutation 0.2s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   18 (  10 unt;   0 def)
%            Number of atoms       :   42 (   0 equ)
%            Maximal formula atoms :   15 (   2 avg)
%            Number of connectives :   42 (  18   ~;  18   |;   6   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   2 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;   7 con; 0-4 aty)
%            Number of variables   :   26 (   7 sgn  12   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(graph_has_them_all,plain,
    ! [A,B] : less_or_equal(number_of_in(A,B),number_of_in(A,graph)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),
    [] ).

cnf(157289008,plain,
    less_or_equal(number_of_in(A,B),number_of_in(A,graph)),
    inference(rewrite,[status(thm)],[graph_has_them_all]),
    [] ).

fof(path_length_sequential_pairs,plain,
    ! [A,B,C] :
      ( ~ path(A,B,C)
      | $equal(minus(length_of(C),n1),number_of_in(sequential_pairs,C)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),
    [] ).

cnf(157229944,plain,
    ( ~ path(A,B,C)
    | $equal(minus(length_of(C),n1),number_of_in(sequential_pairs,C)) ),
    inference(rewrite,[status(thm)],[path_length_sequential_pairs]),
    [] ).

fof(shortest_path_defn,plain,
    ! [B,A,C,D] :
      ( ( ~ $equal(B,A)
        | ~ shortest_path(A,B,C) )
      & ( ~ path(A,B,D)
        | less_or_equal(length_of(C),length_of(D))
        | ~ shortest_path(A,B,C) )
      & ( path(A,B,C)
        | ~ shortest_path(A,B,C) )
      & ( ~ less_or_equal(length_of(C),length_of(p(A,B,C,D)))
        | $equal(B,A)
        | ~ path(A,B,C)
        | shortest_path(A,B,C) )
      & ( path(A,B,p(A,B,C,D))
        | $equal(B,A)
        | ~ path(A,B,C)
        | shortest_path(A,B,C) ) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),
    [] ).

cnf(157093968,plain,
    ( path(A,B,C)
    | ~ shortest_path(A,B,C) ),
    inference(rewrite,[status(thm)],[shortest_path_defn]),
    [] ).

fof(maximal_path_length,plain,
    ( complete
    & shortest_path(v1,v2,p)
    & ~ less_or_equal(minus(length_of(p),n1),number_of_in(triangles,graph)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),
    [] ).

cnf(157373832,plain,
    shortest_path(v1,v2,p),
    inference(rewrite,[status(thm)],[maximal_path_length]),
    [] ).

cnf(170732776,plain,
    path(v1,v2,p),
    inference(resolution,[status(thm)],[157093968,157373832]),
    [] ).

cnf(170942960,plain,
    $equal(minus(length_of(p),n1),number_of_in(sequential_pairs,p)),
    inference(resolution,[status(thm)],[157229944,170732776]),
    [] ).

fof(triangles_and_sequential_pairs,plain,
    ! [B,C,A] :
      ( ~ complete
      | ~ shortest_path(B,C,A)
      | $equal(number_of_in(triangles,A),number_of_in(sequential_pairs,A)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),
    [] ).

cnf(157298192,plain,
    ( ~ complete
    | ~ shortest_path(B,C,A)
    | $equal(number_of_in(triangles,A),number_of_in(sequential_pairs,A)) ),
    inference(rewrite,[status(thm)],[triangles_and_sequential_pairs]),
    [] ).

cnf(157383728,plain,
    complete,
    inference(rewrite,[status(thm)],[maximal_path_length]),
    [] ).

cnf(170723944,plain,
    ( ~ shortest_path(B,C,A)
    | $equal(number_of_in(triangles,A),number_of_in(sequential_pairs,A)) ),
    inference(resolution,[status(thm)],[157298192,157383728]),
    [] ).

cnf(174815056,plain,
    $equal(number_of_in(triangles,p),number_of_in(sequential_pairs,p)),
    inference(resolution,[status(thm)],[170723944,157373832]),
    [] ).

cnf(177368904,plain,
    $equal(number_of_in(triangles,p),minus(length_of(p),n1)),
    inference(paramodulation,[status(thm)],[170942960,174815056,theory(equality)]),
    [] ).

cnf(157359952,plain,
    ~ less_or_equal(minus(length_of(p),n1),number_of_in(triangles,graph)),
    inference(rewrite,[status(thm)],[maximal_path_length]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__paramodulation,[status(thm)],[157289008,177368904,157359952,theory(equality)]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(graph_has_them_all,plain,(less_or_equal(number_of_in(A,B),number_of_in(A,graph))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),[]).
% 
% cnf(157289008,plain,(less_or_equal(number_of_in(A,B),number_of_in(A,graph))),inference(rewrite,[status(thm)],[graph_has_them_all]),[]).
% 
% fof(path_length_sequential_pairs,plain,(~path(A,B,C)|$equal(minus(length_of(C),n1),number_of_in(sequential_pairs,C))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),[]).
% 
% cnf(157229944,plain,(~path(A,B,C)|$equal(minus(length_of(C),n1),number_of_in(sequential_pairs,C))),inference(rewrite,[status(thm)],[path_length_sequential_pairs]),[]).
% 
% fof(shortest_path_defn,plain,(((~$equal(B,A)|~shortest_path(A,B,C))&(~path(A,B,D)|less_or_equal(length_of(C),length_of(D))|~shortest_path(A,B,C))&(path(A,B,C)|~shortest_path(A,B,C))&(~less_or_equal(length_of(C),length_of(p(A,B,C,D)))|$equal(B,A)|~path(A,B,C)|shortest_path(A,B,C))&(path(A,B,p(A,B,C,D))|$equal(B,A)|~path(A,B,C)|shortest_path(A,B,C)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),[]).
% 
% cnf(157093968,plain,(path(A,B,C)|~shortest_path(A,B,C)),inference(rewrite,[status(thm)],[shortest_path_defn]),[]).
% 
% fof(maximal_path_length,plain,((complete&shortest_path(v1,v2,p)&~less_or_equal(minus(length_of(p),n1),number_of_in(triangles,graph)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),[]).
% 
% cnf(157373832,plain,(shortest_path(v1,v2,p)),inference(rewrite,[status(thm)],[maximal_path_length]),[]).
% 
% cnf(170732776,plain,(path(v1,v2,p)),inference(resolution,[status(thm)],[157093968,157373832]),[]).
% 
% cnf(170942960,plain,($equal(minus(length_of(p),n1),number_of_in(sequential_pairs,p))),inference(resolution,[status(thm)],[157229944,170732776]),[]).
% 
% fof(triangles_and_sequential_pairs,plain,(~complete|~shortest_path(B,C,A)|$equal(number_of_in(triangles,A),number_of_in(sequential_pairs,A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/GRA/GRA002+4.tptp',unknown),[]).
% 
% cnf(157298192,plain,(~complete|~shortest_path(B,C,A)|$equal(number_of_in(triangles,A),number_of_in(sequential_pairs,A))),inference(rewrite,[status(thm)],[triangles_and_sequential_pairs]),[]).
% 
% cnf(157383728,plain,(complete),inference(rewrite,[status(thm)],[maximal_path_length]),[]).
% 
% cnf(170723944,plain,(~shortest_path(B,C,A)|$equal(number_of_in(triangles,A),number_of_in(sequential_pairs,A))),inference(resolution,[status(thm)],[157298192,157383728]),[]).
% 
% cnf(174815056,plain,($equal(number_of_in(triangles,p),number_of_in(sequential_pairs,p))),inference(resolution,[status(thm)],[170723944,157373832]),[]).
% 
% cnf(177368904,plain,($equal(number_of_in(triangles,p),minus(length_of(p),n1))),inference(paramodulation,[status(thm)],[170942960,174815056,theory(equality)]),[]).
% 
% cnf(157359952,plain,(~less_or_equal(minus(length_of(p),n1),number_of_in(triangles,graph))),inference(rewrite,[status(thm)],[maximal_path_length]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__paramodulation,[status(thm)],[157289008,177368904,157359952,theory(equality)]),[]).
% 
% END OF PROOF SEQUENCE
% faust: ../JJParser/Signature.c:39: void FreeSignatureList(SymbolNodeType**): Assertion `(*Symbols)->NumberOfUses == 0' failed.
% 
%------------------------------------------------------------------------------