TPTP Problem File: SWV276-1.p
View Solutions
- Solve Problem
%------------------------------------------------------------------------------
% File : SWV276-1 : TPTP v9.0.0. Released v3.2.0.
% Domain : Software Verification (Security)
% Problem : Cryptographic protocol problem for events
% Version : [Pau06] axioms : Especial.
% English :
% Refs : [Pau06] Paulson (2006), Email to G. Sutcliffe
% Source : [Pau06]
% Names : Event__keysFor_parts_insert [Pau06]
% Status : Unsatisfiable
% Rating : 1.00 v3.2.0
% Syntax : Number of clauses : 2898 ( 736 unt; 265 nHn;2067 RR)
% Number of literals : 6257 (1415 equ;3180 neg)
% Maximal clause size : 7 ( 2 avg)
% Maximal term depth : 8 ( 1 avg)
% Number of predicates : 87 ( 86 usr; 0 prp; 1-3 aty)
% Number of functors : 263 ( 263 usr; 54 con; 0-18 aty)
% Number of variables : 6080 (1305 sgn)
% SPC : CNF_UNS_RFO_SEQ_NHN
% Comments : The problems in the [Pau06] collection each have very many axioms,
% of which only a small selection are required for the refutation.
% The mission is to find those few axioms, after which a refutation
% can be quite easily found.
%------------------------------------------------------------------------------
include('Axioms/MSC001-0.ax').
include('Axioms/MSC001-1.ax').
include('Axioms/SWV005-0.ax').
include('Axioms/SWV005-2.ax').
%------------------------------------------------------------------------------
cnf(cls_Message_Oanalz__subset__parts_0,axiom,
c_lessequals(c_Message_Oanalz(V_H),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ).
cnf(cls_Message_OkeysFor__mono_0,axiom,
( ~ c_lessequals(V_G,V_H,tc_set(tc_Message_Omsg))
| c_lessequals(c_Message_OkeysFor(V_G),c_Message_OkeysFor(V_H),tc_set(tc_nat)) ) ).
cnf(cls_Message_Oparts__insert__subset__Un_0,axiom,
( ~ c_in(V_X,V_G,tc_Message_Omsg)
| c_lessequals(c_Message_Oparts(c_insert(V_X,V_H,tc_Message_Omsg)),c_union(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_Message_Omsg),tc_set(tc_Message_Omsg)) ) ).
cnf(cls_Message_Oparts__mono_0,axiom,
( ~ c_lessequals(V_G,V_H,tc_set(tc_Message_Omsg))
| c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ) ).
cnf(cls_conjecture_0,negated_conjecture,
c_in(v_K,c_Message_OkeysFor(c_Message_Oparts(c_insert(v_X,v_G,tc_Message_Omsg))),tc_nat) ).
cnf(cls_conjecture_1,negated_conjecture,
c_in(v_X,c_Message_Osynth(c_Message_Oanalz(v_H)),tc_Message_Omsg) ).
cnf(cls_conjecture_2,negated_conjecture,
~ c_in(v_K,c_Message_OkeysFor(c_Message_Oparts(c_union(v_G,v_H,tc_Message_Omsg))),tc_nat) ).
cnf(cls_conjecture_3,negated_conjecture,
~ c_in(c_Message_Omsg_OKey(c_Message_OinvKey(v_K)),c_Message_Oparts(v_H),tc_Message_Omsg) ).
%------------------------------------------------------------------------------