%------------------------------------------------------------------------------
% File     : SWV239-1 : TPTP v8.2.0. Released v3.2.0.
% Domain   : Software Verification (Security)
% Problem  : Cryptographic protocol problem for messages
% Version  : [Pau06] axioms : Especial.
% English  :

% Refs     : [Pau06] Paulson (2006), Email to G. Sutcliffe
% Source   : [Pau06]
% Names    : Message__analz_analz_Un_1 [Pau06]

% Status   : Unsatisfiable
% Rating   : 0.25 v8.2.0, 0.24 v8.1.0, 0.26 v7.4.0, 0.29 v7.3.0, 0.25 v7.0.0, 0.40 v6.3.0, 0.36 v6.2.0, 0.50 v6.0.0, 0.60 v5.5.0, 0.80 v5.4.0, 0.75 v5.3.0, 0.83 v5.2.0, 0.75 v5.1.0, 0.76 v5.0.0, 0.71 v4.1.0, 0.69 v4.0.1, 0.64 v3.7.0, 0.50 v3.5.0, 0.55 v3.4.0, 0.67 v3.3.0, 0.71 v3.2.0
% Syntax   : Number of clauses     : 1400 ( 226 unt;  34 nHn;1312 RR)
%            Number of literals    : 2646 ( 219 equ;1260 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   82 (  81 usr;   0 prp; 1-3 aty)
%            Number of functors    :  137 ( 137 usr;  22 con; 0-6 aty)
%            Number of variables   : 2005 ( 231 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/MSC001-2.ax').
include('Axioms/SWV004-0.ax').
%------------------------------------------------------------------------------
cnf(cls_Message_Oanalz__subset__cong_0,axiom,
    ( ~ c_lessequals(c_Message_Oanalz(V_H),c_Message_Oanalz(V_H_H),tc_set(tc_Message_Omsg))
    | ~ c_lessequals(c_Message_Oanalz(V_G),c_Message_Oanalz(V_G_H),tc_set(tc_Message_Omsg))
    | c_lessequals(c_Message_Oanalz(c_union(V_G,V_H,tc_Message_Omsg)),c_Message_Oanalz(c_union(V_G_H,V_H_H,tc_Message_Omsg)),tc_set(tc_Message_Omsg)) ) ).

cnf(cls_Message_Osynth__synthD__dest_0,axiom,
    ( ~ c_in(V_X,c_Message_Osynth(c_Message_Osynth(V_H)),tc_Message_Omsg)
    | c_in(V_X,c_Message_Osynth(V_H),tc_Message_Omsg) ) ).

cnf(cls_conjecture_0,negated_conjecture,
    ~ c_lessequals(c_Message_Oanalz(c_union(c_Message_Oanalz(v_G),v_H,tc_Message_Omsg)),c_Message_Oanalz(c_union(v_G,v_H,tc_Message_Omsg)),tc_set(tc_Message_Omsg)) ).

%------------------------------------------------------------------------------