TSTP Solution File: SWV236+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SWV236+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n023.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Wed Jul 20 20:30:35 EDT 2022

% Result   : Theorem 2.56s 2.72s
% Output   : CNFRefutation 2.56s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :   28
% Syntax   : Number of formulae    :  128 (  67 unt;   0 def)
%            Number of atoms       :  217 ( 149 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :  178 (  89   ~;  82   |;   5   &)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :  195 (   0 sgn  35   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(xor_commutative,axiom,
    ! [X1,X2] : xor(X1,X2) = xor(X2,X1) ).

fof(xor_associative,axiom,
    ! [X1,X2,X3] : xor(X1,xor(X2,X3)) = xor(xor(X1,X2),X3) ).

fof(xor_rules_1,axiom,
    ! [X1] : xor(X1,id) = X1 ).

fof(xor_rules_2,axiom,
    ! [X1] : xor(X1,X1) = id ).

fof(key_part_import___part_1,axiom,
    ! [Xk,Xtype] :
      ( ( p(Xk)
        & p(Xtype) )
     => p(crypt(xor(km,xor(kp,Xtype)),Xk)) ) ).

fof(combine_with_XOR,axiom,
    ! [X1,X2] :
      ( ( p(X1)
        & p(X2) )
     => p(xor(X1,X2)) ) ).

fof(initial_knowledge_of_intruder_1,axiom,
    p(kp) ).

fof(initial_knowledge_of_intruder_9,axiom,
    p(exp) ).

fof(find_known_exporter,conjecture,
    ? [X] :
      ( p(crypt(xor(km,exp),X))
      & p(X) ) ).

fof(subgoal_0,plain,
    ? [X] :
      ( p(crypt(xor(km,exp),X))
      & p(X) ),
    inference(strip,[],[find_known_exporter]) ).

fof(negate_0_0,plain,
    ~ ? [X] :
        ( p(crypt(xor(km,exp),X))
        & p(X) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [X] :
      ( ~ p(X)
      | ~ p(crypt(xor(km,exp),X)) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ! [X] :
      ( ~ p(X)
      | ~ p(crypt(xor(km,exp),X)) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [X1,X2] : xor(X1,X2) = xor(X2,X1),
    inference(canonicalize,[],[xor_commutative]) ).

fof(normalize_0_3,plain,
    ! [X1,X2] : xor(X1,X2) = xor(X2,X1),
    inference(specialize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [Xk,Xtype] :
      ( ~ p(Xk)
      | ~ p(Xtype)
      | p(crypt(xor(km,xor(kp,Xtype)),Xk)) ),
    inference(canonicalize,[],[key_part_import___part_1]) ).

fof(normalize_0_5,plain,
    ! [Xk,Xtype] :
      ( ~ p(Xk)
      | ~ p(Xtype)
      | p(crypt(xor(km,xor(kp,Xtype)),Xk)) ),
    inference(specialize,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    p(kp),
    inference(canonicalize,[],[initial_knowledge_of_intruder_1]) ).

fof(normalize_0_7,plain,
    p(exp),
    inference(canonicalize,[],[initial_knowledge_of_intruder_9]) ).

fof(normalize_0_8,plain,
    ! [X1,X2] :
      ( ~ p(X1)
      | ~ p(X2)
      | p(xor(X1,X2)) ),
    inference(canonicalize,[],[combine_with_XOR]) ).

fof(normalize_0_9,plain,
    ! [X1,X2] :
      ( ~ p(X1)
      | ~ p(X2)
      | p(xor(X1,X2)) ),
    inference(specialize,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [X1] : xor(X1,id) = X1,
    inference(canonicalize,[],[xor_rules_1]) ).

fof(normalize_0_11,plain,
    ! [X1] : xor(X1,id) = X1,
    inference(specialize,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ! [X1] : xor(X1,X1) = id,
    inference(canonicalize,[],[xor_rules_2]) ).

fof(normalize_0_13,plain,
    ! [X1] : xor(X1,X1) = id,
    inference(specialize,[],[normalize_0_12]) ).

fof(normalize_0_14,plain,
    ! [X1,X2,X3] : xor(X1,xor(X2,X3)) = xor(xor(X1,X2),X3),
    inference(canonicalize,[],[xor_associative]) ).

fof(normalize_0_15,plain,
    ! [X1,X2,X3] : xor(X1,xor(X2,X3)) = xor(xor(X1,X2),X3),
    inference(specialize,[],[normalize_0_14]) ).

cnf(refute_0_0,plain,
    ( ~ p(X)
    | ~ p(crypt(xor(km,exp),X)) ),
    inference(canonicalize,[],[normalize_0_1]) ).

cnf(refute_0_1,plain,
    xor(X1,X2) = xor(X2,X1),
    inference(canonicalize,[],[normalize_0_3]) ).

cnf(refute_0_2,plain,
    X0 = X0,
    introduced(tautology,[refl,[$fot(X0)]]) ).

cnf(refute_0_3,plain,
    ( X0 != X0
    | X0 != Y
    | Y = X0 ),
    introduced(tautology,[equality,[$cnf( $equal(X0,X0) ),[0],$fot(Y)]]) ).

cnf(refute_0_4,plain,
    ( X0 != Y
    | Y = X0 ),
    inference(resolve,[$cnf( $equal(X0,X0) )],[refute_0_2,refute_0_3]) ).

cnf(refute_0_5,plain,
    ( xor(X1,X2) != xor(X2,X1)
    | xor(X2,X1) = xor(X1,X2) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(xor(X1,X2))),bind(Y,$fot(xor(X2,X1)))]]) ).

cnf(refute_0_6,plain,
    xor(X2,X1) = xor(X1,X2),
    inference(resolve,[$cnf( $equal(xor(X1,X2),xor(X2,X1)) )],[refute_0_1,refute_0_5]) ).

cnf(refute_0_7,plain,
    xor(km,exp) = xor(exp,km),
    inference(subst,[],[refute_0_6:[bind(X1,$fot(exp)),bind(X2,$fot(km))]]) ).

cnf(refute_0_8,plain,
    crypt(xor(km,exp),X) = crypt(xor(km,exp),X),
    introduced(tautology,[refl,[$fot(crypt(xor(km,exp),X))]]) ).

cnf(refute_0_9,plain,
    ( crypt(xor(km,exp),X) != crypt(xor(km,exp),X)
    | xor(km,exp) != xor(exp,km)
    | crypt(xor(km,exp),X) = crypt(xor(exp,km),X) ),
    introduced(tautology,[equality,[$cnf( $equal(crypt(xor(km,exp),X),crypt(xor(km,exp),X)) ),[1,0],$fot(xor(exp,km))]]) ).

cnf(refute_0_10,plain,
    ( xor(km,exp) != xor(exp,km)
    | crypt(xor(km,exp),X) = crypt(xor(exp,km),X) ),
    inference(resolve,[$cnf( $equal(crypt(xor(km,exp),X),crypt(xor(km,exp),X)) )],[refute_0_8,refute_0_9]) ).

cnf(refute_0_11,plain,
    crypt(xor(km,exp),X) = crypt(xor(exp,km),X),
    inference(resolve,[$cnf( $equal(xor(km,exp),xor(exp,km)) )],[refute_0_7,refute_0_10]) ).

cnf(refute_0_12,plain,
    ( crypt(xor(km,exp),X) != crypt(xor(exp,km),X)
    | ~ p(crypt(xor(exp,km),X))
    | p(crypt(xor(km,exp),X)) ),
    introduced(tautology,[equality,[$cnf( ~ p(crypt(xor(km,exp),X)) ),[0],$fot(crypt(xor(exp,km),X))]]) ).

cnf(refute_0_13,plain,
    ( ~ p(crypt(xor(exp,km),X))
    | p(crypt(xor(km,exp),X)) ),
    inference(resolve,[$cnf( $equal(crypt(xor(km,exp),X),crypt(xor(exp,km),X)) )],[refute_0_11,refute_0_12]) ).

cnf(refute_0_14,plain,
    ( ~ p(X)
    | ~ p(crypt(xor(exp,km),X)) ),
    inference(resolve,[$cnf( p(crypt(xor(km,exp),X)) )],[refute_0_13,refute_0_0]) ).

cnf(refute_0_15,plain,
    ( ~ p(crypt(xor(exp,km),xor(exp,kp)))
    | ~ p(xor(exp,kp)) ),
    inference(subst,[],[refute_0_14:[bind(X,$fot(xor(exp,kp)))]]) ).

cnf(refute_0_16,plain,
    ( ~ p(Xk)
    | ~ p(Xtype)
    | p(crypt(xor(km,xor(kp,Xtype)),Xk)) ),
    inference(canonicalize,[],[normalize_0_5]) ).

cnf(refute_0_17,plain,
    ( ~ p(xor(exp,kp))
    | p(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp))) ),
    inference(subst,[],[refute_0_16:[bind(Xk,$fot(xor(exp,kp))),bind(Xtype,$fot(xor(exp,kp)))]]) ).

cnf(refute_0_18,plain,
    p(kp),
    inference(canonicalize,[],[normalize_0_6]) ).

cnf(refute_0_19,plain,
    p(exp),
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_20,plain,
    ( ~ p(X1)
    | ~ p(X2)
    | p(xor(X1,X2)) ),
    inference(canonicalize,[],[normalize_0_9]) ).

cnf(refute_0_21,plain,
    ( ~ p(X_48)
    | ~ p(exp)
    | p(xor(exp,X_48)) ),
    inference(subst,[],[refute_0_20:[bind(X1,$fot(exp)),bind(X2,$fot(X_48))]]) ).

cnf(refute_0_22,plain,
    ( ~ p(X_48)
    | p(xor(exp,X_48)) ),
    inference(resolve,[$cnf( p(exp) )],[refute_0_19,refute_0_21]) ).

cnf(refute_0_23,plain,
    ( ~ p(kp)
    | p(xor(exp,kp)) ),
    inference(subst,[],[refute_0_22:[bind(X_48,$fot(kp))]]) ).

cnf(refute_0_24,plain,
    p(xor(exp,kp)),
    inference(resolve,[$cnf( p(kp) )],[refute_0_18,refute_0_23]) ).

cnf(refute_0_25,plain,
    p(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp))),
    inference(resolve,[$cnf( p(xor(exp,kp)) )],[refute_0_24,refute_0_17]) ).

cnf(refute_0_26,plain,
    xor(X1,id) = X1,
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_27,plain,
    xor(km,id) = km,
    inference(subst,[],[refute_0_26:[bind(X1,$fot(km))]]) ).

cnf(refute_0_28,plain,
    xor(X1,X1) = id,
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_29,plain,
    xor(kp,kp) = id,
    inference(subst,[],[refute_0_28:[bind(X1,$fot(kp))]]) ).

cnf(refute_0_30,plain,
    xor(km,xor(kp,kp)) = xor(km,xor(kp,kp)),
    introduced(tautology,[refl,[$fot(xor(km,xor(kp,kp)))]]) ).

cnf(refute_0_31,plain,
    ( xor(km,xor(kp,kp)) != xor(km,xor(kp,kp))
    | xor(kp,kp) != id
    | xor(km,xor(kp,kp)) = xor(km,id) ),
    introduced(tautology,[equality,[$cnf( $equal(xor(km,xor(kp,kp)),xor(km,xor(kp,kp))) ),[1,1],$fot(id)]]) ).

cnf(refute_0_32,plain,
    ( xor(kp,kp) != id
    | xor(km,xor(kp,kp)) = xor(km,id) ),
    inference(resolve,[$cnf( $equal(xor(km,xor(kp,kp)),xor(km,xor(kp,kp))) )],[refute_0_30,refute_0_31]) ).

cnf(refute_0_33,plain,
    xor(km,xor(kp,kp)) = xor(km,id),
    inference(resolve,[$cnf( $equal(xor(kp,kp),id) )],[refute_0_29,refute_0_32]) ).

cnf(refute_0_34,plain,
    ( Y != X0
    | Y != Z
    | X0 = Z ),
    introduced(tautology,[equality,[$cnf( $equal(Y,Z) ),[0],$fot(X0)]]) ).

cnf(refute_0_35,plain,
    ( X0 != Y
    | Y != Z
    | X0 = Z ),
    inference(resolve,[$cnf( $equal(Y,X0) )],[refute_0_4,refute_0_34]) ).

cnf(refute_0_36,plain,
    ( xor(km,id) != km
    | xor(km,xor(kp,kp)) != xor(km,id)
    | xor(km,xor(kp,kp)) = km ),
    inference(subst,[],[refute_0_35:[bind(X0,$fot(xor(km,xor(kp,kp)))),bind(Y,$fot(xor(km,id))),bind(Z,$fot(km))]]) ).

cnf(refute_0_37,plain,
    ( xor(km,id) != km
    | xor(km,xor(kp,kp)) = km ),
    inference(resolve,[$cnf( $equal(xor(km,xor(kp,kp)),xor(km,id)) )],[refute_0_33,refute_0_36]) ).

cnf(refute_0_38,plain,
    xor(km,xor(kp,kp)) = km,
    inference(resolve,[$cnf( $equal(xor(km,id),km) )],[refute_0_27,refute_0_37]) ).

cnf(refute_0_39,plain,
    xor(exp,xor(km,xor(kp,kp))) = xor(exp,xor(km,xor(kp,kp))),
    introduced(tautology,[refl,[$fot(xor(exp,xor(km,xor(kp,kp))))]]) ).

cnf(refute_0_40,plain,
    ( xor(exp,xor(km,xor(kp,kp))) != xor(exp,xor(km,xor(kp,kp)))
    | xor(km,xor(kp,kp)) != km
    | xor(exp,xor(km,xor(kp,kp))) = xor(exp,km) ),
    introduced(tautology,[equality,[$cnf( $equal(xor(exp,xor(km,xor(kp,kp))),xor(exp,xor(km,xor(kp,kp)))) ),[1,1],$fot(km)]]) ).

cnf(refute_0_41,plain,
    ( xor(km,xor(kp,kp)) != km
    | xor(exp,xor(km,xor(kp,kp))) = xor(exp,km) ),
    inference(resolve,[$cnf( $equal(xor(exp,xor(km,xor(kp,kp))),xor(exp,xor(km,xor(kp,kp)))) )],[refute_0_39,refute_0_40]) ).

cnf(refute_0_42,plain,
    xor(exp,xor(km,xor(kp,kp))) = xor(exp,km),
    inference(resolve,[$cnf( $equal(xor(km,xor(kp,kp)),km) )],[refute_0_38,refute_0_41]) ).

cnf(refute_0_43,plain,
    xor(X1,xor(X2,X3)) = xor(xor(X1,X2),X3),
    inference(canonicalize,[],[normalize_0_15]) ).

cnf(refute_0_44,plain,
    xor(X1,xor(X2,xor(X_25,X_26))) = xor(xor(X1,X2),xor(X_25,X_26)),
    inference(subst,[],[refute_0_43:[bind(X3,$fot(xor(X_25,X_26)))]]) ).

cnf(refute_0_45,plain,
    xor(X_9,xor(X_10,X_11)) = xor(xor(X_9,X_10),X_11),
    inference(subst,[],[refute_0_43:[bind(X1,$fot(X_9)),bind(X2,$fot(X_10)),bind(X3,$fot(X_11))]]) ).

cnf(refute_0_46,plain,
    xor(X_10,X_9) = xor(X_9,X_10),
    inference(subst,[],[refute_0_1:[bind(X1,$fot(X_10)),bind(X2,$fot(X_9))]]) ).

cnf(refute_0_47,plain,
    ( xor(X_10,X_9) != xor(X_9,X_10)
    | xor(X_9,X_10) = xor(X_10,X_9) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(xor(X_10,X_9))),bind(Y,$fot(xor(X_9,X_10)))]]) ).

cnf(refute_0_48,plain,
    xor(X_9,X_10) = xor(X_10,X_9),
    inference(resolve,[$cnf( $equal(xor(X_10,X_9),xor(X_9,X_10)) )],[refute_0_46,refute_0_47]) ).

cnf(refute_0_49,plain,
    ( xor(X_9,X_10) != xor(X_10,X_9)
    | xor(X_9,xor(X_10,X_11)) != xor(xor(X_9,X_10),X_11)
    | xor(X_9,xor(X_10,X_11)) = xor(xor(X_10,X_9),X_11) ),
    introduced(tautology,[equality,[$cnf( $equal(xor(X_9,xor(X_10,X_11)),xor(xor(X_9,X_10),X_11)) ),[1,0],$fot(xor(X_10,X_9))]]) ).

cnf(refute_0_50,plain,
    ( xor(X_9,xor(X_10,X_11)) != xor(xor(X_9,X_10),X_11)
    | xor(X_9,xor(X_10,X_11)) = xor(xor(X_10,X_9),X_11) ),
    inference(resolve,[$cnf( $equal(xor(X_9,X_10),xor(X_10,X_9)) )],[refute_0_48,refute_0_49]) ).

cnf(refute_0_51,plain,
    xor(X_9,xor(X_10,X_11)) = xor(xor(X_10,X_9),X_11),
    inference(resolve,[$cnf( $equal(xor(X_9,xor(X_10,X_11)),xor(xor(X_9,X_10),X_11)) )],[refute_0_45,refute_0_50]) ).

cnf(refute_0_52,plain,
    ( xor(X1,xor(X2,X3)) != xor(xor(X1,X2),X3)
    | xor(xor(X1,X2),X3) = xor(X1,xor(X2,X3)) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(xor(X1,xor(X2,X3)))),bind(Y,$fot(xor(xor(X1,X2),X3)))]]) ).

cnf(refute_0_53,plain,
    xor(xor(X1,X2),X3) = xor(X1,xor(X2,X3)),
    inference(resolve,[$cnf( $equal(xor(X1,xor(X2,X3)),xor(xor(X1,X2),X3)) )],[refute_0_43,refute_0_52]) ).

cnf(refute_0_54,plain,
    xor(xor(X_10,X_9),X_11) = xor(X_10,xor(X_9,X_11)),
    inference(subst,[],[refute_0_53:[bind(X1,$fot(X_10)),bind(X2,$fot(X_9)),bind(X3,$fot(X_11))]]) ).

cnf(refute_0_55,plain,
    ( xor(X_9,xor(X_10,X_11)) != xor(xor(X_10,X_9),X_11)
    | xor(xor(X_10,X_9),X_11) != xor(X_10,xor(X_9,X_11))
    | xor(X_9,xor(X_10,X_11)) = xor(X_10,xor(X_9,X_11)) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(xor(X_9,xor(X_10,X_11)),xor(X_10,xor(X_9,X_11))) ),[0],$fot(xor(xor(X_10,X_9),X_11))]]) ).

cnf(refute_0_56,plain,
    ( xor(X_9,xor(X_10,X_11)) != xor(xor(X_10,X_9),X_11)
    | xor(X_9,xor(X_10,X_11)) = xor(X_10,xor(X_9,X_11)) ),
    inference(resolve,[$cnf( $equal(xor(xor(X_10,X_9),X_11),xor(X_10,xor(X_9,X_11))) )],[refute_0_54,refute_0_55]) ).

cnf(refute_0_57,plain,
    xor(X_9,xor(X_10,X_11)) = xor(X_10,xor(X_9,X_11)),
    inference(resolve,[$cnf( $equal(xor(X_9,xor(X_10,X_11)),xor(xor(X_10,X_9),X_11)) )],[refute_0_51,refute_0_56]) ).

cnf(refute_0_58,plain,
    xor(X2,xor(X_25,X_26)) = xor(X_25,xor(X2,X_26)),
    inference(subst,[],[refute_0_57:[bind(X_10,$fot(X_25)),bind(X_11,$fot(X_26)),bind(X_9,$fot(X2))]]) ).

cnf(refute_0_59,plain,
    ( xor(X1,xor(X2,xor(X_25,X_26))) != xor(xor(X1,X2),xor(X_25,X_26))
    | xor(X2,xor(X_25,X_26)) != xor(X_25,xor(X2,X_26))
    | xor(X1,xor(X_25,xor(X2,X_26))) = xor(xor(X1,X2),xor(X_25,X_26)) ),
    introduced(tautology,[equality,[$cnf( $equal(xor(X1,xor(X2,xor(X_25,X_26))),xor(xor(X1,X2),xor(X_25,X_26))) ),[0,1],$fot(xor(X_25,xor(X2,X_26)))]]) ).

cnf(refute_0_60,plain,
    ( xor(X1,xor(X2,xor(X_25,X_26))) != xor(xor(X1,X2),xor(X_25,X_26))
    | xor(X1,xor(X_25,xor(X2,X_26))) = xor(xor(X1,X2),xor(X_25,X_26)) ),
    inference(resolve,[$cnf( $equal(xor(X2,xor(X_25,X_26)),xor(X_25,xor(X2,X_26))) )],[refute_0_58,refute_0_59]) ).

cnf(refute_0_61,plain,
    xor(X1,xor(X_25,xor(X2,X_26))) = xor(xor(X1,X2),xor(X_25,X_26)),
    inference(resolve,[$cnf( $equal(xor(X1,xor(X2,xor(X_25,X_26))),xor(xor(X1,X2),xor(X_25,X_26))) )],[refute_0_44,refute_0_60]) ).

cnf(refute_0_62,plain,
    xor(xor(X1,X2),xor(X_25,X_26)) = xor(X1,xor(X2,xor(X_25,X_26))),
    inference(subst,[],[refute_0_53:[bind(X3,$fot(xor(X_25,X_26)))]]) ).

cnf(refute_0_63,plain,
    ( xor(X1,xor(X_25,xor(X2,X_26))) != xor(xor(X1,X2),xor(X_25,X_26))
    | xor(xor(X1,X2),xor(X_25,X_26)) != xor(X1,xor(X2,xor(X_25,X_26)))
    | xor(X1,xor(X_25,xor(X2,X_26))) = xor(X1,xor(X2,xor(X_25,X_26))) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(xor(X1,xor(X_25,xor(X2,X_26))),xor(X1,xor(X2,xor(X_25,X_26)))) ),[0],$fot(xor(xor(X1,X2),xor(X_25,X_26)))]]) ).

cnf(refute_0_64,plain,
    ( xor(X1,xor(X_25,xor(X2,X_26))) != xor(xor(X1,X2),xor(X_25,X_26))
    | xor(X1,xor(X_25,xor(X2,X_26))) = xor(X1,xor(X2,xor(X_25,X_26))) ),
    inference(resolve,[$cnf( $equal(xor(xor(X1,X2),xor(X_25,X_26)),xor(X1,xor(X2,xor(X_25,X_26)))) )],[refute_0_62,refute_0_63]) ).

cnf(refute_0_65,plain,
    xor(X1,xor(X_25,xor(X2,X_26))) = xor(X1,xor(X2,xor(X_25,X_26))),
    inference(resolve,[$cnf( $equal(xor(X1,xor(X_25,xor(X2,X_26))),xor(xor(X1,X2),xor(X_25,X_26))) )],[refute_0_61,refute_0_64]) ).

cnf(refute_0_66,plain,
    xor(X_43,xor(X_45,xor(X_44,X_46))) = xor(X_43,xor(X_44,xor(X_45,X_46))),
    inference(subst,[],[refute_0_65:[bind(X1,$fot(X_43)),bind(X2,$fot(X_44)),bind(X_25,$fot(X_45)),bind(X_26,$fot(X_46))]]) ).

cnf(refute_0_67,plain,
    xor(X_46,X_44) = xor(X_44,X_46),
    inference(subst,[],[refute_0_1:[bind(X1,$fot(X_46)),bind(X2,$fot(X_44))]]) ).

cnf(refute_0_68,plain,
    ( xor(X_46,X_44) != xor(X_44,X_46)
    | xor(X_44,X_46) = xor(X_46,X_44) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(xor(X_46,X_44))),bind(Y,$fot(xor(X_44,X_46)))]]) ).

cnf(refute_0_69,plain,
    xor(X_44,X_46) = xor(X_46,X_44),
    inference(resolve,[$cnf( $equal(xor(X_46,X_44),xor(X_44,X_46)) )],[refute_0_67,refute_0_68]) ).

cnf(refute_0_70,plain,
    ( xor(X_43,xor(X_45,xor(X_44,X_46))) != xor(X_43,xor(X_44,xor(X_45,X_46)))
    | xor(X_44,X_46) != xor(X_46,X_44)
    | xor(X_43,xor(X_45,xor(X_46,X_44))) = xor(X_43,xor(X_44,xor(X_45,X_46))) ),
    introduced(tautology,[equality,[$cnf( $equal(xor(X_43,xor(X_45,xor(X_44,X_46))),xor(X_43,xor(X_44,xor(X_45,X_46)))) ),[0,1,1],$fot(xor(X_46,X_44))]]) ).

cnf(refute_0_71,plain,
    ( xor(X_43,xor(X_45,xor(X_44,X_46))) != xor(X_43,xor(X_44,xor(X_45,X_46)))
    | xor(X_43,xor(X_45,xor(X_46,X_44))) = xor(X_43,xor(X_44,xor(X_45,X_46))) ),
    inference(resolve,[$cnf( $equal(xor(X_44,X_46),xor(X_46,X_44)) )],[refute_0_69,refute_0_70]) ).

cnf(refute_0_72,plain,
    xor(X_43,xor(X_45,xor(X_46,X_44))) = xor(X_43,xor(X_44,xor(X_45,X_46))),
    inference(resolve,[$cnf( $equal(xor(X_43,xor(X_45,xor(X_44,X_46))),xor(X_43,xor(X_44,xor(X_45,X_46)))) )],[refute_0_66,refute_0_71]) ).

cnf(refute_0_73,plain,
    ( xor(X_43,xor(X_45,xor(X_46,X_44))) != xor(X_43,xor(X_44,xor(X_45,X_46)))
    | xor(X_43,xor(X_44,xor(X_45,X_46))) = xor(X_43,xor(X_45,xor(X_46,X_44))) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(xor(X_43,xor(X_45,xor(X_46,X_44))))),bind(Y,$fot(xor(X_43,xor(X_44,xor(X_45,X_46)))))]]) ).

cnf(refute_0_74,plain,
    xor(X_43,xor(X_44,xor(X_45,X_46))) = xor(X_43,xor(X_45,xor(X_46,X_44))),
    inference(resolve,[$cnf( $equal(xor(X_43,xor(X_45,xor(X_46,X_44))),xor(X_43,xor(X_44,xor(X_45,X_46)))) )],[refute_0_72,refute_0_73]) ).

cnf(refute_0_75,plain,
    xor(exp,xor(kp,xor(km,kp))) = xor(exp,xor(km,xor(kp,kp))),
    inference(subst,[],[refute_0_74:[bind(X_43,$fot(exp)),bind(X_44,$fot(kp)),bind(X_45,$fot(km)),bind(X_46,$fot(kp))]]) ).

cnf(refute_0_76,plain,
    xor(X_9,xor(X_10,xor(X_44,X_46))) = xor(X_10,xor(X_9,xor(X_44,X_46))),
    inference(subst,[],[refute_0_57:[bind(X_11,$fot(xor(X_44,X_46)))]]) ).

cnf(refute_0_77,plain,
    xor(X_10,xor(X_9,xor(X_44,X_46))) = xor(X_10,xor(X_44,xor(X_9,X_46))),
    inference(subst,[],[refute_0_65:[bind(X1,$fot(X_10)),bind(X2,$fot(X_44)),bind(X_25,$fot(X_9)),bind(X_26,$fot(X_46))]]) ).

cnf(refute_0_78,plain,
    ( xor(X_10,xor(X_9,xor(X_44,X_46))) != xor(X_10,xor(X_44,xor(X_9,X_46)))
    | xor(X_9,xor(X_10,xor(X_44,X_46))) != xor(X_10,xor(X_9,xor(X_44,X_46)))
    | xor(X_9,xor(X_10,xor(X_44,X_46))) = xor(X_10,xor(X_44,xor(X_9,X_46))) ),
    introduced(tautology,[equality,[$cnf( $equal(xor(X_9,xor(X_10,xor(X_44,X_46))),xor(X_10,xor(X_9,xor(X_44,X_46)))) ),[1],$fot(xor(X_10,xor(X_44,xor(X_9,X_46))))]]) ).

cnf(refute_0_79,plain,
    ( xor(X_9,xor(X_10,xor(X_44,X_46))) != xor(X_10,xor(X_9,xor(X_44,X_46)))
    | xor(X_9,xor(X_10,xor(X_44,X_46))) = xor(X_10,xor(X_44,xor(X_9,X_46))) ),
    inference(resolve,[$cnf( $equal(xor(X_10,xor(X_9,xor(X_44,X_46))),xor(X_10,xor(X_44,xor(X_9,X_46)))) )],[refute_0_77,refute_0_78]) ).

cnf(refute_0_80,plain,
    xor(X_9,xor(X_10,xor(X_44,X_46))) = xor(X_10,xor(X_44,xor(X_9,X_46))),
    inference(resolve,[$cnf( $equal(xor(X_9,xor(X_10,xor(X_44,X_46))),xor(X_10,xor(X_9,xor(X_44,X_46)))) )],[refute_0_76,refute_0_79]) ).

cnf(refute_0_81,plain,
    xor(km,xor(exp,xor(kp,kp))) = xor(exp,xor(kp,xor(km,kp))),
    inference(subst,[],[refute_0_80:[bind(X_10,$fot(exp)),bind(X_44,$fot(kp)),bind(X_46,$fot(kp)),bind(X_9,$fot(km))]]) ).

cnf(refute_0_82,plain,
    ( xor(exp,xor(kp,xor(km,kp))) != xor(exp,xor(km,xor(kp,kp)))
    | xor(km,xor(exp,xor(kp,kp))) != xor(exp,xor(kp,xor(km,kp)))
    | xor(km,xor(exp,xor(kp,kp))) = xor(exp,xor(km,xor(kp,kp))) ),
    inference(subst,[],[refute_0_35:[bind(X0,$fot(xor(km,xor(exp,xor(kp,kp))))),bind(Y,$fot(xor(exp,xor(kp,xor(km,kp))))),bind(Z,$fot(xor(exp,xor(km,xor(kp,kp)))))]]) ).

cnf(refute_0_83,plain,
    ( xor(exp,xor(kp,xor(km,kp))) != xor(exp,xor(km,xor(kp,kp)))
    | xor(km,xor(exp,xor(kp,kp))) = xor(exp,xor(km,xor(kp,kp))) ),
    inference(resolve,[$cnf( $equal(xor(km,xor(exp,xor(kp,kp))),xor(exp,xor(kp,xor(km,kp)))) )],[refute_0_81,refute_0_82]) ).

cnf(refute_0_84,plain,
    xor(km,xor(exp,xor(kp,kp))) = xor(exp,xor(km,xor(kp,kp))),
    inference(resolve,[$cnf( $equal(xor(exp,xor(kp,xor(km,kp))),xor(exp,xor(km,xor(kp,kp)))) )],[refute_0_75,refute_0_83]) ).

cnf(refute_0_85,plain,
    xor(km,xor(kp,xor(exp,kp))) = xor(km,xor(exp,xor(kp,kp))),
    inference(subst,[],[refute_0_74:[bind(X_43,$fot(km)),bind(X_44,$fot(kp)),bind(X_45,$fot(exp)),bind(X_46,$fot(kp))]]) ).

cnf(refute_0_86,plain,
    ( xor(km,xor(exp,xor(kp,kp))) != xor(exp,xor(km,xor(kp,kp)))
    | xor(km,xor(kp,xor(exp,kp))) != xor(km,xor(exp,xor(kp,kp)))
    | xor(km,xor(kp,xor(exp,kp))) = xor(exp,xor(km,xor(kp,kp))) ),
    inference(subst,[],[refute_0_35:[bind(X0,$fot(xor(km,xor(kp,xor(exp,kp))))),bind(Y,$fot(xor(km,xor(exp,xor(kp,kp))))),bind(Z,$fot(xor(exp,xor(km,xor(kp,kp)))))]]) ).

cnf(refute_0_87,plain,
    ( xor(km,xor(exp,xor(kp,kp))) != xor(exp,xor(km,xor(kp,kp)))
    | xor(km,xor(kp,xor(exp,kp))) = xor(exp,xor(km,xor(kp,kp))) ),
    inference(resolve,[$cnf( $equal(xor(km,xor(kp,xor(exp,kp))),xor(km,xor(exp,xor(kp,kp)))) )],[refute_0_85,refute_0_86]) ).

cnf(refute_0_88,plain,
    xor(km,xor(kp,xor(exp,kp))) = xor(exp,xor(km,xor(kp,kp))),
    inference(resolve,[$cnf( $equal(xor(km,xor(exp,xor(kp,kp))),xor(exp,xor(km,xor(kp,kp)))) )],[refute_0_84,refute_0_87]) ).

cnf(refute_0_89,plain,
    ( xor(exp,xor(km,xor(kp,kp))) != xor(exp,km)
    | xor(km,xor(kp,xor(exp,kp))) != xor(exp,xor(km,xor(kp,kp)))
    | xor(km,xor(kp,xor(exp,kp))) = xor(exp,km) ),
    inference(subst,[],[refute_0_35:[bind(X0,$fot(xor(km,xor(kp,xor(exp,kp))))),bind(Y,$fot(xor(exp,xor(km,xor(kp,kp))))),bind(Z,$fot(xor(exp,km)))]]) ).

cnf(refute_0_90,plain,
    ( xor(exp,xor(km,xor(kp,kp))) != xor(exp,km)
    | xor(km,xor(kp,xor(exp,kp))) = xor(exp,km) ),
    inference(resolve,[$cnf( $equal(xor(km,xor(kp,xor(exp,kp))),xor(exp,xor(km,xor(kp,kp)))) )],[refute_0_88,refute_0_89]) ).

cnf(refute_0_91,plain,
    xor(km,xor(kp,xor(exp,kp))) = xor(exp,km),
    inference(resolve,[$cnf( $equal(xor(exp,xor(km,xor(kp,kp))),xor(exp,km)) )],[refute_0_42,refute_0_90]) ).

cnf(refute_0_92,plain,
    crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)) = crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)),
    introduced(tautology,[refl,[$fot(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)))]]) ).

cnf(refute_0_93,plain,
    ( crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)) != crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp))
    | xor(km,xor(kp,xor(exp,kp))) != xor(exp,km)
    | crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)) = crypt(xor(exp,km),xor(exp,kp)) ),
    introduced(tautology,[equality,[$cnf( $equal(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)),crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp))) ),[1,0],$fot(xor(exp,km))]]) ).

cnf(refute_0_94,plain,
    ( xor(km,xor(kp,xor(exp,kp))) != xor(exp,km)
    | crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)) = crypt(xor(exp,km),xor(exp,kp)) ),
    inference(resolve,[$cnf( $equal(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)),crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp))) )],[refute_0_92,refute_0_93]) ).

cnf(refute_0_95,plain,
    crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)) = crypt(xor(exp,km),xor(exp,kp)),
    inference(resolve,[$cnf( $equal(xor(km,xor(kp,xor(exp,kp))),xor(exp,km)) )],[refute_0_91,refute_0_94]) ).

cnf(refute_0_96,plain,
    ( crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)) != crypt(xor(exp,km),xor(exp,kp))
    | ~ p(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)))
    | p(crypt(xor(exp,km),xor(exp,kp))) ),
    introduced(tautology,[equality,[$cnf( p(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp))) ),[0],$fot(crypt(xor(exp,km),xor(exp,kp)))]]) ).

cnf(refute_0_97,plain,
    ( ~ p(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)))
    | p(crypt(xor(exp,km),xor(exp,kp))) ),
    inference(resolve,[$cnf( $equal(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp)),crypt(xor(exp,km),xor(exp,kp))) )],[refute_0_95,refute_0_96]) ).

cnf(refute_0_98,plain,
    p(crypt(xor(exp,km),xor(exp,kp))),
    inference(resolve,[$cnf( p(crypt(xor(km,xor(kp,xor(exp,kp))),xor(exp,kp))) )],[refute_0_25,refute_0_97]) ).

cnf(refute_0_99,plain,
    ~ p(xor(exp,kp)),
    inference(resolve,[$cnf( p(crypt(xor(exp,km),xor(exp,kp))) )],[refute_0_98,refute_0_15]) ).

cnf(refute_0_100,plain,
    $false,
    inference(resolve,[$cnf( p(xor(exp,kp)) )],[refute_0_24,refute_0_99]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : SWV236+1 : TPTP v8.1.0. Released v3.2.0.
% 0.10/0.12  % Command  : metis --show proof --show saturation %s
% 0.14/0.34  % Computer : n023.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Tue Jun 14 22:40:20 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.14/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 2.56/2.72  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.56/2.72  
% 2.56/2.72  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 2.56/2.73  
%------------------------------------------------------------------------------