TSTP Solution File: GRA005+1 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : GRA005+1 : TPTP v5.0.0. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art06.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 09:54:32 EST 2010

% Result   : Theorem 0.23s
% Output   : CNFRefutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   30 (   9 unt;   0 def)
%            Number of atoms       :   93 (  36 equ)
%            Maximal formula atoms :    7 (   3 avg)
%            Number of connectives :  117 (  54   ~;  29   |;  28   &)
%                                         (   2 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   3 prp; 0-3 aty)
%            Number of functors    :    8 (   8 usr;   6 con; 0-1 aty)
%            Number of variables   :   81 (  10 sgn  47   !;  16   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(5,axiom,
    ! [X4,X5,X1,X2,X7] :
      ( ( shortest_path(X4,X5,X7)
        & precedes(X1,X2,X7) )
     => ( ~ ? [X8] :
              ( tail_of(X8) = tail_of(X1)
              & head_of(X8) = head_of(X2) )
        & ~ precedes(X2,X1,X7) ) ),
    file('/tmp/tmpMbBRuG/sel_GRA005+1.p_1',shortest_path_properties) ).

fof(7,conjecture,
    ! [X4,X5,X1,X2,X7] :
      ( ( shortest_path(X4,X5,X7)
        & precedes(X1,X2,X7) )
     => ~ ? [X8] :
            ( edge(X8)
            & tail_of(X8) = tail_of(X1)
            & head_of(X8) = head_of(X2) ) ),
    file('/tmp/tmpMbBRuG/sel_GRA005+1.p_1',no_short_cut_edge) ).

fof(13,negated_conjecture,
    ~ ! [X4,X5,X1,X2,X7] :
        ( ( shortest_path(X4,X5,X7)
          & precedes(X1,X2,X7) )
       => ~ ? [X8] :
              ( edge(X8)
              & tail_of(X8) = tail_of(X1)
              & head_of(X8) = head_of(X2) ) ),
    inference(assume_negation,[status(cth)],[7]) ).

fof(15,plain,
    ! [X4,X5,X1,X2,X7] :
      ( ( shortest_path(X4,X5,X7)
        & precedes(X1,X2,X7) )
     => ( ~ ? [X8] :
              ( tail_of(X8) = tail_of(X1)
              & head_of(X8) = head_of(X2) )
        & ~ precedes(X2,X1,X7) ) ),
    inference(fof_simplification,[status(thm)],[5,theory(equality)]) ).

fof(48,plain,
    ! [X4,X5,X1,X2,X7] :
      ( ~ shortest_path(X4,X5,X7)
      | ~ precedes(X1,X2,X7)
      | ( ! [X8] :
            ( tail_of(X8) != tail_of(X1)
            | head_of(X8) != head_of(X2) )
        & ~ precedes(X2,X1,X7) ) ),
    inference(fof_nnf,[status(thm)],[15]) ).

fof(49,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)],[48]) ).

fof(50,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)],[49]) ).

fof(51,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)],[50]) ).

cnf(53,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)],[51]) ).

fof(60,negated_conjecture,
    ? [X4,X5,X1,X2,X7] :
      ( shortest_path(X4,X5,X7)
      & precedes(X1,X2,X7)
      & ? [X8] :
          ( edge(X8)
          & tail_of(X8) = tail_of(X1)
          & head_of(X8) = head_of(X2) ) ),
    inference(fof_nnf,[status(thm)],[13]) ).

fof(61,negated_conjecture,
    ? [X9,X10,X11,X12,X13] :
      ( shortest_path(X9,X10,X13)
      & precedes(X11,X12,X13)
      & ? [X14] :
          ( edge(X14)
          & tail_of(X14) = tail_of(X11)
          & head_of(X14) = head_of(X12) ) ),
    inference(variable_rename,[status(thm)],[60]) ).

fof(62,negated_conjecture,
    ( shortest_path(esk3_0,esk4_0,esk7_0)
    & precedes(esk5_0,esk6_0,esk7_0)
    & edge(esk8_0)
    & tail_of(esk8_0) = tail_of(esk5_0)
    & head_of(esk8_0) = head_of(esk6_0) ),
    inference(skolemize,[status(esa)],[61]) ).

cnf(63,negated_conjecture,
    head_of(esk8_0) = head_of(esk6_0),
    inference(split_conjunct,[status(thm)],[62]) ).

cnf(64,negated_conjecture,
    tail_of(esk8_0) = tail_of(esk5_0),
    inference(split_conjunct,[status(thm)],[62]) ).

cnf(66,negated_conjecture,
    precedes(esk5_0,esk6_0,esk7_0),
    inference(split_conjunct,[status(thm)],[62]) ).

cnf(67,negated_conjecture,
    shortest_path(esk3_0,esk4_0,esk7_0),
    inference(split_conjunct,[status(thm)],[62]) ).

cnf(112,negated_conjecture,
    ( head_of(esk6_0) != head_of(X1)
    | tail_of(esk5_0) != tail_of(X1)
    | ~ shortest_path(X2,X3,esk7_0) ),
    inference(spm,[status(thm)],[53,66,theory(equality)]) ).

cnf(113,negated_conjecture,
    ( head_of(esk8_0) != head_of(X1)
    | tail_of(esk5_0) != tail_of(X1)
    | ~ shortest_path(X2,X3,esk7_0) ),
    inference(rw,[status(thm)],[112,63,theory(equality)]) ).

cnf(114,negated_conjecture,
    ( head_of(esk8_0) != head_of(X1)
    | tail_of(esk8_0) != tail_of(X1)
    | ~ shortest_path(X2,X3,esk7_0) ),
    inference(rw,[status(thm)],[113,64,theory(equality)]) ).

fof(142,plain,
    ( ~ epred1_0
  <=> ! [X1] :
        ( tail_of(esk8_0) != tail_of(X1)
        | head_of(esk8_0) != head_of(X1) ) ),
    introduced(definition),
    [split] ).

cnf(143,plain,
    ( epred1_0
    | tail_of(esk8_0) != tail_of(X1)
    | head_of(esk8_0) != head_of(X1) ),
    inference(split_equiv,[status(thm)],[142]) ).

fof(144,plain,
    ( ~ epred2_0
  <=> ! [X3,X2] : ~ shortest_path(X2,X3,esk7_0) ),
    introduced(definition),
    [split] ).

cnf(145,plain,
    ( epred2_0
    | ~ shortest_path(X2,X3,esk7_0) ),
    inference(split_equiv,[status(thm)],[144]) ).

cnf(146,negated_conjecture,
    ( ~ epred2_0
    | ~ epred1_0 ),
    inference(apply_def,[status(esa)],[inference(apply_def,[status(esa)],[114,142,theory(equality)]),144,theory(equality)]),
    [split] ).

cnf(147,negated_conjecture,
    epred2_0,
    inference(spm,[status(thm)],[145,67,theory(equality)]) ).

cnf(149,negated_conjecture,
    ( $false
    | ~ epred1_0 ),
    inference(rw,[status(thm)],[146,147,theory(equality)]) ).

cnf(150,negated_conjecture,
    ~ epred1_0,
    inference(cn,[status(thm)],[149,theory(equality)]) ).

cnf(151,negated_conjecture,
    epred1_0,
    inference(er,[status(thm)],[143,theory(equality)]) ).

cnf(153,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[151,150,theory(equality)]) ).

cnf(154,negated_conjecture,
    $false,
    153,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/GRA/GRA005+1.p
% --creating new selector for [GRA001+0.ax]
% -running prover on /tmp/tmpMbBRuG/sel_GRA005+1.p_1 with time limit 29
% -prover status Theorem
% Problem GRA005+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/GRA/GRA005+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/GRA/GRA005+1.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
% 
%------------------------------------------------------------------------------