%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : SWV014-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% Computer : n020.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Sun Sep 27 08:57:56 AM UTC 2026
% Result : Unsatisfiable 6.44s 8.63s
% Output : Refutation 6.75s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 34
% Syntax : Number of formulae : 69 ( 23 unt; 0 typ; 0 def)
% Number of atoms : 155 ( 0 equ; 0 cnn)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 666 ( 88 ~; 86 |; 0 &; 492 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 21 ( 8 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 26 ( 25 usr; 7 con; 0-4 aty)
% Number of variables : 150 ( 0 ^; 150 !; 0 ?; 150 :)
% Comments :
%------------------------------------------------------------------------------
thf(b_holds_decl,type,
b_holds: $i > $o ).
thf(key_decl,type,
key: $i > $i > $i ).
thf(a_decl,type,
a: $i ).
thf(intruder_holds_decl,type,
intruder_holds: $i > $o ).
thf(b_decl,type,
b: $i ).
thf(intruder_message_decl,type,
intruder_message: $i > $o ).
thf(pair_decl,type,
pair: $i > $i > $i ).
thf(triple_decl,type,
triple: $i > $i > $i > $i ).
thf(quadruple_decl,type,
quadruple: $i > $i > $i > $i > $i ).
thf(message_decl,type,
message: $i > $o ).
thf(sent_decl,type,
sent: $i > $i > $i > $i ).
thf(party_of_protocol_decl,type,
party_of_protocol: $i > $o ).
thf(a_nonce_decl,type,
a_nonce: $i > $o ).
thf(an_a_nonce_decl,type,
an_a_nonce: $i ).
thf(generate_expiration_time_decl,type,
generate_expiration_time: $i > $i ).
thf(fresh_to_b_decl,type,
fresh_to_b: $i > $o ).
thf(generate_b_nonce_decl,type,
generate_b_nonce: $i > $i ).
thf(t_decl,type,
t: $i ).
thf(encrypt_decl,type,
encrypt: $i > $i > $i ).
thf(generate_key_decl,type,
generate_key: $i > $i ).
thf(t_holds_decl,type,
t_holds: $i > $o ).
thf(b_stored_decl,type,
b_stored: $i > $o ).
thf(a_stored_decl,type,
a_stored: $i > $o ).
thf(at_decl,type,
at: $i ).
thf(bt_decl,type,
bt: $i ).
thf(2,axiom,
! [B: $i,A: $i] :
( ~ ( B @ ( A @ pair ) @ intruder_message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_decomposes_pairs_18) ).
thf(37,plain,
! [B: $i,A: $i] :
( ~ ( B @ ( A @ pair ) @ intruder_message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(30,axiom,
b @ party_of_protocol,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_is_party_of_protocol_8) ).
thf(84,plain,
b @ party_of_protocol,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).
thf(23,axiom,
! [G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
( ~ ( B @ ( F @ key ) @ t_holds )
| ~ ( A @ ( E @ key ) @ t_holds )
| ~ ( F @ ( D @ ( C @ ( A @ triple ) ) @ encrypt ) @ ( G @ ( B @ triple ) ) @ ( t @ ( B @ sent ) ) @ message )
| ~ ( C @ a_nonce )
| ( G @ ( F @ ( D @ ( C @ generate_key @ ( A @ triple ) ) @ encrypt ) @ ( E @ ( D @ ( C @ generate_key @ ( C @ ( B @ quadruple ) ) ) @ encrypt ) @ triple ) ) @ ( A @ ( t @ sent ) ) @ message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',server_t_generates_key_16) ).
thf(74,plain,
! [G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
( ~ ( B @ ( F @ key ) @ t_holds )
| ~ ( A @ ( E @ key ) @ t_holds )
| ~ ( F @ ( D @ ( C @ ( A @ triple ) ) @ encrypt ) @ ( G @ ( B @ triple ) ) @ ( t @ ( B @ sent ) ) @ message )
| ~ ( C @ a_nonce )
| ( G @ ( F @ ( D @ ( C @ generate_key @ ( A @ triple ) ) @ encrypt ) @ ( E @ ( D @ ( C @ generate_key @ ( C @ ( B @ quadruple ) ) ) @ encrypt ) @ triple ) ) @ ( A @ ( t @ sent ) ) @ message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).
thf(21,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( C @ party_of_protocol )
| ~ ( A @ intruder_message )
| ~ ( C @ ( B @ key ) @ intruder_holds )
| ( B @ ( A @ encrypt ) @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_key_encrypts_33) ).
thf(70,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( C @ party_of_protocol )
| ~ ( A @ intruder_message )
| ~ ( C @ ( B @ key ) @ intruder_holds )
| ( B @ ( A @ encrypt ) @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).
thf(17,axiom,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( D @ ( C @ ( A @ ( B @ quadruple ) ) ) @ intruder_message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_decomposes_quadruples_24) ).
thf(65,plain,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( D @ ( C @ ( A @ ( B @ quadruple ) ) ) @ intruder_message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).
thf(10,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ party_of_protocol )
| ~ ( B @ party_of_protocol )
| ~ ( C @ intruder_message )
| ( C @ ( B @ ( A @ sent ) ) @ message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_message_sent_31) ).
thf(53,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ party_of_protocol )
| ~ ( B @ party_of_protocol )
| ~ ( C @ intruder_message )
| ( C @ ( B @ ( A @ sent ) ) @ message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).
thf(4,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( C @ ( A @ ( B @ triple ) ) @ intruder_message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_decomposes_triples_21) ).
thf(41,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( C @ ( A @ ( B @ triple ) ) @ intruder_message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(13,axiom,
an_a_nonce @ a_nonce,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',an_a_nonce_is_a_nonce_34) ).
thf(59,plain,
an_a_nonce @ a_nonce,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).
thf(1,negated_conjecture,
! [A: $i] :
( ~ ( b @ ( A @ key ) @ intruder_holds )
| ~ ( a @ ( A @ key ) @ b_holds ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_38) ).
thf(35,plain,
! [A: $i] :
( ~ ( b @ ( A @ key ) @ intruder_holds )
| ~ ( a @ ( A @ key ) @ b_holds ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(18,axiom,
an_a_nonce @ fresh_to_b,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',nonce_a_is_fresh_to_b_9) ).
thf(67,plain,
an_a_nonce @ fresh_to_b,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).
thf(11,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ intruder_message )
| ~ ( B @ intruder_message )
| ~ ( C @ intruder_message )
| ( C @ ( B @ ( A @ triple ) ) @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_composes_triples_28) ).
thf(55,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ intruder_message )
| ~ ( B @ intruder_message )
| ~ ( C @ intruder_message )
| ( C @ ( B @ ( A @ triple ) ) @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).
thf(28,axiom,
an_a_nonce @ ( a @ pair ) @ ( b @ ( a @ sent ) ) @ message,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_sent_message_i_to_b_3) ).
thf(82,plain,
an_a_nonce @ ( a @ pair ) @ ( b @ ( a @ sent ) ) @ message,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).
thf(9,axiom,
! [B: $i,A: $i] :
( ~ ( A @ ( B @ pair ) @ intruder_message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_decomposes_pairs_19) ).
thf(51,plain,
! [B: $i,A: $i] :
( ~ ( A @ ( B @ pair ) @ intruder_message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).
thf(26,axiom,
! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
( ~ ( C @ ( B @ ( at @ ( F @ ( D @ ( E @ ( A @ quadruple ) ) ) @ encrypt ) @ triple ) ) @ ( a @ ( t @ sent ) ) @ message )
| ~ ( E @ ( A @ pair ) @ a_stored )
| ( D @ ( C @ encrypt ) @ ( B @ pair ) @ ( A @ ( a @ sent ) ) @ message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_forwards_secure_5) ).
thf(79,plain,
! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
( ~ ( C @ ( B @ ( at @ ( F @ ( D @ ( E @ ( A @ quadruple ) ) ) @ encrypt ) @ triple ) ) @ ( a @ ( t @ sent ) ) @ message )
| ~ ( E @ ( A @ pair ) @ a_stored )
| ( D @ ( C @ encrypt ) @ ( B @ pair ) @ ( A @ ( a @ sent ) ) @ message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).
thf(20,axiom,
t @ party_of_protocol,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',t_is_party_of_protocol_15) ).
thf(69,plain,
t @ party_of_protocol,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).
thf(33,axiom,
! [B: $i,A: $i] :
( ~ ( B @ party_of_protocol )
| ~ ( A @ intruder_message )
| ( B @ ( A @ key ) @ intruder_holds ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_holds_key_32) ).
thf(88,plain,
! [B: $i,A: $i] :
( ~ ( B @ party_of_protocol )
| ~ ( A @ intruder_message )
| ( B @ ( A @ key ) @ intruder_holds ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).
thf(12,axiom,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( D @ ( C @ ( B @ ( A @ quadruple ) ) ) @ intruder_message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_decomposes_quadruples_23) ).
thf(57,plain,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( D @ ( C @ ( B @ ( A @ quadruple ) ) ) @ intruder_message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).
thf(25,axiom,
an_a_nonce @ ( b @ pair ) @ a_stored,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_stored_message_i_4) ).
thf(78,plain,
an_a_nonce @ ( b @ pair ) @ a_stored,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).
thf(14,axiom,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( D @ ( A @ ( C @ ( B @ quadruple ) ) ) @ intruder_message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_decomposes_quadruples_25) ).
thf(60,plain,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( D @ ( A @ ( C @ ( B @ quadruple ) ) ) @ intruder_message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).
thf(31,axiom,
a @ ( at @ key ) @ t_holds,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',t_holds_key_at_for_a_13) ).
thf(85,plain,
a @ ( at @ key ) @ t_holds,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).
thf(6,axiom,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( A @ ( D @ ( C @ ( B @ quadruple ) ) ) @ intruder_message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_decomposes_quadruples_26) ).
thf(45,plain,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( A @ ( D @ ( C @ ( B @ quadruple ) ) ) @ intruder_message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(16,axiom,
! [A: $i] : ( A @ generate_expiration_time @ a_nonce ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',generated_times_and_nonces_are_nonces_36) ).
thf(64,plain,
! [A: $i] : ( A @ generate_expiration_time @ a_nonce ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).
thf(8,axiom,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( A @ intruder_message )
| ~ ( B @ intruder_message )
| ~ ( C @ intruder_message )
| ~ ( D @ intruder_message )
| ( D @ ( C @ ( B @ ( A @ quadruple ) ) ) @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_composes_quadruples_29) ).
thf(49,plain,
! [D: $i,C: $i,B: $i,A: $i] :
( ~ ( A @ intruder_message )
| ~ ( B @ intruder_message )
| ~ ( C @ intruder_message )
| ~ ( D @ intruder_message )
| ( D @ ( C @ ( B @ ( A @ quadruple ) ) ) @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).
thf(32,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ ( C @ generate_b_nonce @ encrypt ) @ ( bt @ ( C @ generate_expiration_time @ ( A @ ( B @ triple ) ) @ encrypt ) @ pair ) @ ( b @ ( B @ sent ) ) @ message )
| ~ ( C @ ( B @ pair ) @ b_stored )
| ( B @ ( A @ key ) @ b_holds ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_accepts_secure_session_key_12) ).
thf(86,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ ( C @ generate_b_nonce @ encrypt ) @ ( bt @ ( C @ generate_expiration_time @ ( A @ ( B @ triple ) ) @ encrypt ) @ pair ) @ ( b @ ( B @ sent ) ) @ message )
| ~ ( C @ ( B @ pair ) @ b_stored )
| ( B @ ( A @ key ) @ b_holds ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).
thf(27,axiom,
b @ ( bt @ key ) @ t_holds,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',t_holds_key_bt_for_b_14) ).
thf(81,plain,
b @ ( bt @ key ) @ t_holds,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).
thf(24,axiom,
! [B: $i,A: $i] :
( ~ ( B @ ( A @ pair ) @ ( b @ ( A @ sent ) ) @ message )
| ~ ( B @ fresh_to_b )
| ( B @ ( A @ pair ) @ b_stored ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_creates_freash_nonces_in_time_11) ).
thf(76,plain,
! [B: $i,A: $i] :
( ~ ( B @ ( A @ pair ) @ ( b @ ( A @ sent ) ) @ message )
| ~ ( B @ fresh_to_b )
| ( B @ ( A @ pair ) @ b_stored ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).
thf(3,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ ( C @ ( B @ triple ) ) @ intruder_message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_decomposes_triples_22) ).
thf(39,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ ( C @ ( B @ triple ) ) @ intruder_message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(22,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( B @ party_of_protocol )
| ~ ( A @ ( C @ encrypt ) @ intruder_message )
| ~ ( B @ ( A @ key ) @ intruder_holds )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_interception_30) ).
thf(72,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( B @ party_of_protocol )
| ~ ( A @ ( C @ encrypt ) @ intruder_message )
| ~ ( B @ ( A @ key ) @ intruder_holds )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).
thf(5,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( C @ ( B @ ( A @ triple ) ) @ intruder_message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_decomposes_triples_20) ).
thf(43,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( C @ ( B @ ( A @ triple ) ) @ intruder_message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(7,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ ( C @ ( B @ sent ) ) @ message )
| ( A @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_can_record_17) ).
thf(47,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( A @ ( C @ ( B @ sent ) ) @ message )
| ( A @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(19,axiom,
! [A: $i] : ( A @ generate_b_nonce @ a_nonce ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',generated_times_and_nonces_are_nonces_37) ).
thf(68,plain,
! [A: $i] : ( A @ generate_b_nonce @ a_nonce ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).
thf(15,axiom,
! [B: $i,A: $i] :
( ~ ( A @ intruder_message )
| ~ ( B @ intruder_message )
| ( B @ ( A @ pair ) @ intruder_message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intruder_composes_pairs_27) ).
thf(62,plain,
! [B: $i,A: $i] :
( ~ ( A @ intruder_message )
| ~ ( B @ intruder_message )
| ( B @ ( A @ pair ) @ intruder_message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).
thf(34,axiom,
! [B: $i,A: $i] :
( ~ ( A @ ( B @ pair ) @ ( b @ ( B @ sent ) ) @ message )
| ~ ( A @ fresh_to_b )
| ( bt @ ( A @ generate_expiration_time @ ( A @ ( B @ triple ) ) @ encrypt ) @ ( A @ generate_b_nonce @ ( b @ triple ) ) @ ( t @ ( b @ sent ) ) @ message ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_creates_freash_nonces_in_time_10) ).
thf(90,plain,
! [B: $i,A: $i] :
( ~ ( A @ ( B @ pair ) @ ( b @ ( B @ sent ) ) @ message )
| ~ ( A @ fresh_to_b )
| ( bt @ ( A @ generate_expiration_time @ ( A @ ( B @ triple ) ) @ encrypt ) @ ( A @ generate_b_nonce @ ( b @ triple ) ) @ ( t @ ( b @ sent ) ) @ message ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).
thf(29,axiom,
a @ party_of_protocol,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_is_party_of_protocol_2) ).
thf(83,plain,
a @ party_of_protocol,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).
thf(92,plain,
$false,
inference(e,[status(thm)],[37,84,74,70,65,53,41,59,35,67,55,82,51,79,69,88,57,78,60,85,45,64,49,86,81,76,39,72,43,47,68,62,90,83]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWV014-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.09 % Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.16/5.43 % Computer : n020.cluster.edu
% 0.16/5.43 % Model : x86_64 x86_64
% 0.16/5.43 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/5.43 % Memory : 8046.5625MB
% 0.16/5.43 % OS : Linux 6.8.0-71-generic
% 0.16/5.43 % CPULimit : 300
% 0.16/5.43 % WCLimit : 300
% 0.16/5.43 % DateTime : Sat Sep 26 13:06:40 UTC 2026
% 0.16/5.43 % CPUTime :
% 0.16/5.43 Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 1.44/6.32 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 1.96/6.64 % [INFO] Parsing done (313ms).
% 1.96/6.66 % [INFO] Running in sequential loop mode.
% 3.07/7.27 % [INFO] eprover registered as external prover.
% 3.07/7.29 % [INFO] Scanning for conjecture ...
% 3.45/7.43 % [INFO] Found a conjecture (or negated_conjecture) and 33 axioms. Running axiom selection ...
% 3.62/7.55 % [INFO] Axiom selection finished. Selected 33 axioms (removed 0 axioms).
% 3.84/7.62 % [INFO] Problem is propositional (TPTP CNF).
% 3.84/7.63 % [INFO] Type checking passed.
% 3.84/7.64 % [CONFIG] Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>. Searching for refutation ...
% 6.44/8.62 % External prover 'e' found a proof!
% 6.44/8.62 % [INFO] Killing All external provers ...
% 6.44/8.62 % Time passed: 2972ms (effective reasoning time: 1954ms)
% 6.44/8.63 % Axioms used in derivation (33): nonce_a_is_fresh_to_b_9, b_accepts_secure_session_key_12, intruder_decomposes_quadruples_25, t_holds_key_at_for_a_13, b_creates_freash_nonces_in_time_11, intruder_decomposes_pairs_19, intruder_holds_key_32, intruder_interception_30, intruder_composes_quadruples_29, b_creates_freash_nonces_in_time_10, a_forwards_secure_5, a_stored_message_i_4, an_a_nonce_is_a_nonce_34, intruder_decomposes_pairs_18, intruder_can_record_17, intruder_composes_triples_28, intruder_decomposes_quadruples_23, server_t_generates_key_16, intruder_decomposes_triples_22, b_is_party_of_protocol_8, a_is_party_of_protocol_2, intruder_composes_pairs_27, intruder_decomposes_triples_21, intruder_decomposes_quadruples_24, a_sent_message_i_to_b_3, generated_times_and_nonces_are_nonces_36, t_is_party_of_protocol_15, generated_times_and_nonces_are_nonces_37, intruder_decomposes_triples_20, intruder_message_sent_31, t_holds_key_bt_for_b_14, intruder_key_encrypts_33, intruder_decomposes_quadruples_26
% 6.44/8.63 % No. of inferences in proof: 69
% 6.44/8.63 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : 2972 ms resp. 1954 ms w/o parsing
% 6.75/8.74 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 6.75/8.74 % [INFO] Killing All external provers ...
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