TPTP Problem File: SWV436^3.p
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% File : SWV436^3 : TPTP v9.0.0. Released v3.6.0.
% Domain : Software Verification (Security)
% Problem : ICL^B logic mapping to modal logic implies that Example 3 holds
% Version : [Ben08] axioms.
% English :
% Refs : [GA08] Garg & Abadi (2008), A Modal Deconstruction of Access
% : [Ben08] Benzmueller (2008), Automating Access Control Logics i
% : [BP09] Benzmueller & Paulson (2009), Exploring Properties of
% Source : [Ben08]
% Names :
% Status : CounterSatisfiable
% Rating : 0.33 v9.0.0, 0.25 v8.2.0, 0.50 v8.1.0, 0.60 v7.5.0, 0.40 v7.4.0, 0.50 v7.2.0, 0.33 v6.2.0, 0.00 v4.0.0, 1.00 v3.7.0
% Syntax : Number of formulae : 61 ( 24 unt; 33 typ; 24 def)
% Number of atoms : 97 ( 24 equ; 0 cnn)
% Maximal formula atoms : 12 ( 3 avg)
% Number of connectives : 75 ( 3 ~; 1 |; 2 &; 68 @)
% ( 0 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 2 avg)
% Number of types : 3 ( 1 usr)
% Number of type conns : 125 ( 125 >; 0 *; 0 +; 0 <<)
% Number of symbols : 41 ( 38 usr; 9 con; 0-3 aty)
% Number of variables : 47 ( 39 ^; 4 !; 4 ?; 47 :)
% SPC : TH0_CSA_EQU_NAR
% Comments :
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%----Include axioms of multi modal logic
include('Axioms/LCL008^0.ax').
%----Include axioms of ICL logic
include('Axioms/SWV008^0.ax').
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%----The prinicpals
thf(admin,type,
admin: $i > $o ).
thf(bob,type,
bob: $i > $o ).
%----The atoms
thf(deletfile1,type,
deletefile1: $i > $o ).
%----The axioms of the example problem
%----((admin => false) says deletefile1)
thf(ax1,axiom,
iclval @ ( icl_says @ ( icl_impl @ ( icl_princ @ admin ) @ icl_false ) @ ( icl_atom @ deletefile1 ) ) ).
%----(admin says ((bob => admin) says deletefile1))
thf(ax2,axiom,
iclval @ ( icl_says @ ( icl_princ @ admin ) @ ( icl_says @ ( icl_impl @ ( icl_princ @ bob ) @ ( icl_princ @ admin ) ) @ ( icl_atom @ deletefile1 ) ) ) ).
%----(bob says deletefile1)
thf(ax3,axiom,
iclval @ ( icl_says @ ( icl_princ @ bob ) @ ( icl_atom @ deletefile1 ) ) ).
%----We prove deletefile1
thf(ex3,conjecture,
iclval @ ( icl_atom @ deletefile1 ) ).
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