TSTP Solution File: SWC209-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SWC209-1 : TPTP v3.4.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art01.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory   : 1003MB
% OS       : Linux 2.6.17-1.2142_FC4
% CPULimit : 600s
% DateTime : Wed May  6 16:12:15 EDT 2009

% Result   : Unsatisfiable 27.8s
% Output   : Refutation 27.8s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   38 (  22 unt;   0 def)
%            Number of atoms       :   73 (   0 equ)
%            Maximal formula atoms :    6 (   1 avg)
%            Number of connectives :   75 (  40   ~;  35   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   20 (   0 sgn   8   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(co1_2,plain,
    sslist(sk2),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(179051592,plain,
    sslist(sk2),
    inference(rewrite,[status(thm)],[co1_2]),
    [] ).

fof(co1_7,plain,
    neq(sk2,nil),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(179091976,plain,
    neq(sk2,nil),
    inference(rewrite,[status(thm)],[co1_7]),
    [] ).

fof(clause115,plain,
    ! [B,A] :
      ( ~ $equal(B,A)
      | ~ neq(A,B)
      | ~ sslist(B)
      | ~ sslist(A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(177859920,plain,
    ( ~ $equal(B,A)
    | ~ neq(A,B)
    | ~ sslist(B)
    | ~ sslist(A) ),
    inference(rewrite,[status(thm)],[clause115]),
    [] ).

fof(clause8,plain,
    sslist(nil),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(176862912,plain,
    sslist(nil),
    inference(rewrite,[status(thm)],[clause8]),
    [] ).

cnf(218177240,plain,
    ( ~ $equal(nil,A)
    | ~ neq(A,nil)
    | ~ sslist(A) ),
    inference(resolution,[status(thm)],[177859920,176862912]),
    [] ).

cnf(240182064,plain,
    ~ $equal(nil,sk2),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[179091976,218177240,179051592]),
    [] ).

fof(clause80,plain,
    ! [A] :
      ( ~ segmentp(nil,A)
      | ~ sslist(A)
      | $equal(nil,A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(177410552,plain,
    ( ~ segmentp(nil,A)
    | ~ sslist(A)
    | $equal(nil,A) ),
    inference(rewrite,[status(thm)],[clause80]),
    [] ).

cnf(476307232,plain,
    ~ segmentp(nil,sk2),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[179051592,240182064,177410552]),
    [] ).

fof(clause57,plain,
    ! [A] :
      ( ~ sslist(A)
      | segmentp(A,A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(177185880,plain,
    ( ~ sslist(A)
    | segmentp(A,A) ),
    inference(rewrite,[status(thm)],[clause57]),
    [] ).

cnf(225375504,plain,
    segmentp(sk2,sk2),
    inference(resolution,[status(thm)],[179051592,177185880]),
    [] ).

fof(co1_5,plain,
    $equal(sk4,sk2),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(179075976,plain,
    $equal(sk4,sk2),
    inference(rewrite,[status(thm)],[co1_5]),
    [] ).

cnf(233436280,plain,
    segmentp(sk4,sk2),
    inference(paramodulation,[status(thm)],[225375504,179075976,theory(equality)]),
    [] ).

fof(clause56,plain,
    ! [A] :
      ( ~ sslist(A)
      | segmentp(A,nil) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(177175352,plain,
    ( ~ sslist(A)
    | segmentp(A,nil) ),
    inference(rewrite,[status(thm)],[clause56]),
    [] ).

cnf(217911512,plain,
    segmentp(nil,nil),
    inference(resolution,[status(thm)],[177175352,176862912]),
    [] ).

fof(co1_9,plain,
    ( $equal(sk4,nil)
    | neq(sk3,nil) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(179114560,plain,
    ( $equal(sk4,nil)
    | neq(sk3,nil) ),
    inference(rewrite,[status(thm)],[co1_9]),
    [] ).

cnf(232417872,plain,
    ( segmentp(nil,sk4)
    | neq(sk3,nil) ),
    inference(paramodulation,[status(thm)],[217911512,179114560,theory(equality)]),
    [] ).

fof(co1_8,plain,
    ~ neq(sk1,nil),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(179103120,plain,
    ~ neq(sk1,nil),
    inference(rewrite,[status(thm)],[co1_8]),
    [] ).

fof(co1_6,plain,
    $equal(sk3,sk1),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(176777736,plain,
    $equal(sk3,sk1),
    inference(rewrite,[status(thm)],[co1_6]),
    [] ).

cnf(232233632,plain,
    ~ neq(sk3,nil),
    inference(paramodulation,[status(thm)],[179103120,176777736,theory(equality)]),
    [] ).

cnf(307169440,plain,
    segmentp(nil,sk4),
    inference(resolution,[status(thm)],[232417872,232233632]),
    [] ).

fof(clause152,plain,
    ! [A,B,C] :
      ( ~ segmentp(A,B)
      | ~ segmentp(B,C)
      | ~ sslist(C)
      | ~ sslist(B)
      | ~ sslist(A)
      | segmentp(A,C) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(178428136,plain,
    ( ~ segmentp(A,B)
    | ~ segmentp(B,C)
    | ~ sslist(C)
    | ~ sslist(B)
    | ~ sslist(A)
    | segmentp(A,C) ),
    inference(rewrite,[status(thm)],[clause152]),
    [] ).

cnf(219080240,plain,
    ( ~ segmentp(nil,A)
    | ~ segmentp(A,B)
    | ~ sslist(B)
    | ~ sslist(A)
    | segmentp(nil,B) ),
    inference(resolution,[status(thm)],[178428136,176862912]),
    [] ).

fof(co1_4,plain,
    sslist(sk4),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),
    [] ).

cnf(179066000,plain,
    sslist(sk4),
    inference(rewrite,[status(thm)],[co1_4]),
    [] ).

cnf(526345296,plain,
    ( ~ segmentp(sk4,A)
    | ~ sslist(A)
    | segmentp(nil,A) ),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[307169440,219080240,179066000]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[476307232,233436280,526345296,179051592]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 26 seconds
% START OF PROOF SEQUENCE
% fof(co1_2,plain,(sslist(sk2)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(179051592,plain,(sslist(sk2)),inference(rewrite,[status(thm)],[co1_2]),[]).
% 
% fof(co1_7,plain,(neq(sk2,nil)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(179091976,plain,(neq(sk2,nil)),inference(rewrite,[status(thm)],[co1_7]),[]).
% 
% fof(clause115,plain,(~$equal(B,A)|~neq(A,B)|~sslist(B)|~sslist(A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(177859920,plain,(~$equal(B,A)|~neq(A,B)|~sslist(B)|~sslist(A)),inference(rewrite,[status(thm)],[clause115]),[]).
% 
% fof(clause8,plain,(sslist(nil)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(176862912,plain,(sslist(nil)),inference(rewrite,[status(thm)],[clause8]),[]).
% 
% cnf(218177240,plain,(~$equal(nil,A)|~neq(A,nil)|~sslist(A)),inference(resolution,[status(thm)],[177859920,176862912]),[]).
% 
% cnf(240182064,plain,(~$equal(nil,sk2)),inference(forward_subsumption_resolution__resolution,[status(thm)],[179091976,218177240,179051592]),[]).
% 
% fof(clause80,plain,(~segmentp(nil,A)|~sslist(A)|$equal(nil,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(177410552,plain,(~segmentp(nil,A)|~sslist(A)|$equal(nil,A)),inference(rewrite,[status(thm)],[clause80]),[]).
% 
% cnf(476307232,plain,(~segmentp(nil,sk2)),inference(forward_subsumption_resolution__resolution,[status(thm)],[179051592,240182064,177410552]),[]).
% 
% fof(clause57,plain,(~sslist(A)|segmentp(A,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(177185880,plain,(~sslist(A)|segmentp(A,A)),inference(rewrite,[status(thm)],[clause57]),[]).
% 
% cnf(225375504,plain,(segmentp(sk2,sk2)),inference(resolution,[status(thm)],[179051592,177185880]),[]).
% 
% fof(co1_5,plain,($equal(sk4,sk2)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(179075976,plain,($equal(sk4,sk2)),inference(rewrite,[status(thm)],[co1_5]),[]).
% 
% cnf(233436280,plain,(segmentp(sk4,sk2)),inference(paramodulation,[status(thm)],[225375504,179075976,theory(equality)]),[]).
% 
% fof(clause56,plain,(~sslist(A)|segmentp(A,nil)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(177175352,plain,(~sslist(A)|segmentp(A,nil)),inference(rewrite,[status(thm)],[clause56]),[]).
% 
% cnf(217911512,plain,(segmentp(nil,nil)),inference(resolution,[status(thm)],[177175352,176862912]),[]).
% 
% fof(co1_9,plain,($equal(sk4,nil)|neq(sk3,nil)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(179114560,plain,($equal(sk4,nil)|neq(sk3,nil)),inference(rewrite,[status(thm)],[co1_9]),[]).
% 
% cnf(232417872,plain,(segmentp(nil,sk4)|neq(sk3,nil)),inference(paramodulation,[status(thm)],[217911512,179114560,theory(equality)]),[]).
% 
% fof(co1_8,plain,(~neq(sk1,nil)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(179103120,plain,(~neq(sk1,nil)),inference(rewrite,[status(thm)],[co1_8]),[]).
% 
% fof(co1_6,plain,($equal(sk3,sk1)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(176777736,plain,($equal(sk3,sk1)),inference(rewrite,[status(thm)],[co1_6]),[]).
% 
% cnf(232233632,plain,(~neq(sk3,nil)),inference(paramodulation,[status(thm)],[179103120,176777736,theory(equality)]),[]).
% 
% cnf(307169440,plain,(segmentp(nil,sk4)),inference(resolution,[status(thm)],[232417872,232233632]),[]).
% 
% fof(clause152,plain,(~segmentp(A,B)|~segmentp(B,C)|~sslist(C)|~sslist(B)|~sslist(A)|segmentp(A,C)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(178428136,plain,(~segmentp(A,B)|~segmentp(B,C)|~sslist(C)|~sslist(B)|~sslist(A)|segmentp(A,C)),inference(rewrite,[status(thm)],[clause152]),[]).
% 
% cnf(219080240,plain,(~segmentp(nil,A)|~segmentp(A,B)|~sslist(B)|~sslist(A)|segmentp(nil,B)),inference(resolution,[status(thm)],[178428136,176862912]),[]).
% 
% fof(co1_4,plain,(sslist(sk4)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SWC/SWC209-1.tptp',unknown),[]).
% 
% cnf(179066000,plain,(sslist(sk4)),inference(rewrite,[status(thm)],[co1_4]),[]).
% 
% cnf(526345296,plain,(~segmentp(sk4,A)|~sslist(A)|segmentp(nil,A)),inference(forward_subsumption_resolution__resolution,[status(thm)],[307169440,219080240,179066000]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[476307232,233436280,526345296,179051592]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------