%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : SWV266-2 : TPTP v9.3.1. Released v3.2.0.
% 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 : n017.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 08:58:38 AM UTC 2026
% Result : Unsatisfiable 4.05s 8.01s
% Output : Refutation 4.05s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 3
% Syntax : Number of formulae : 7 ( 5 unt; 0 typ; 0 def)
% Number of atoms : 9 ( 0 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 46 ( 4 ~; 2 |; 0 &; 40 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 6 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 8 ( 7 usr; 5 con; 0-3 aty)
% Number of variables : 6 ( 0 ^; 6 !; 0 ?; 6 :)
% Comments :
%------------------------------------------------------------------------------
thf(c_in_decl,type,
c_in: $i > $i > $i > $o ).
thf(c_Message_Omsg_OCrypt_decl,type,
c_Message_Omsg_OCrypt: $i > $i > $i ).
thf(v_K_decl,type,
v_K: $i ).
thf(v_X_decl,type,
v_X: $i ).
thf(c_Message_Oparts_decl,type,
c_Message_Oparts: $i > $i ).
thf(v_H_decl,type,
v_H: $i ).
thf(tc_Message_Omsg_decl,type,
tc_Message_Omsg: $i ).
thf(1,negated_conjecture,
tc_Message_Omsg @ ( v_H @ c_Message_Oparts @ ( v_X @ ( v_K @ c_Message_Omsg_OCrypt ) @ c_in ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_2) ).
thf(4,plain,
tc_Message_Omsg @ ( v_H @ c_Message_Oparts @ ( v_X @ ( v_K @ c_Message_Omsg_OCrypt ) @ c_in ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(2,negated_conjecture,
~ ( tc_Message_Omsg @ ( v_H @ c_Message_Oparts @ ( v_X @ c_in ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_3) ).
thf(5,plain,
~ ( tc_Message_Omsg @ ( v_H @ c_Message_Oparts @ ( v_X @ c_in ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(3,axiom,
! [C: $i,B: $i,A: $i] :
( ( tc_Message_Omsg @ ( C @ c_Message_Oparts @ ( B @ c_in ) ) )
| ~ ( tc_Message_Omsg @ ( C @ c_Message_Oparts @ ( B @ ( A @ c_Message_Omsg_OCrypt ) @ c_in ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Message_Oparts_OBody_0) ).
thf(7,plain,
! [C: $i,B: $i,A: $i] :
( ( tc_Message_Omsg @ ( C @ c_Message_Oparts @ ( B @ c_in ) ) )
| ~ ( tc_Message_Omsg @ ( C @ c_Message_Oparts @ ( B @ ( A @ c_Message_Omsg_OCrypt ) @ c_in ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(13,plain,
$false,
inference(e,[status(thm)],[4,5,7]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SWV266-2 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.13 % 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
% 0.24/5.50 % Computer : n017.cluster.edu
% 0.24/5.50 % Model : x86_64 x86_64
% 0.24/5.50 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.24/5.50 % Memory : 8046.5625MB
% 0.24/5.50 % OS : Linux 6.8.0-71-generic
% 0.24/5.50 % CPULimit : 300
% 0.24/5.50 % WCLimit : 300
% 0.24/5.50 % DateTime : Sat Sep 26 13:20:39 UTC 2026
% 0.24/5.50 % CPUTime :
% 0.24/5.51 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
% 1.34/6.37 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 1.85/6.64 % [INFO] Parsing done (258ms).
% 1.85/6.66 % [INFO] Running in sequential loop mode.
% 2.49/7.15 % [INFO] eprover registered as external prover.
% 2.68/7.16 % [INFO] Scanning for conjecture ...
% 2.78/7.28 % [INFO] Found a conjecture (or negated_conjecture) and 1 axioms. Running axiom selection ...
% 2.92/7.32 % [INFO] Axiom selection finished. Selected 1 axioms (removed 0 axioms).
% 2.92/7.33 % [INFO] Problem is propositional (TPTP CNF).
% 2.92/7.34 % [INFO] Type checking passed.
% 2.92/7.34 % [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 ...
% 4.05/8.00 % External prover 'e' found a proof!
% 4.05/8.00 % [INFO] Killing All external provers ...
% 4.05/8.00 % Time passed: 2285ms (effective reasoning time: 1335ms)
% 4.05/8.01 % Axioms used in derivation (1): cls_Message_Oparts_OBody_0
% 4.05/8.01 % No. of inferences in proof: 7
% 4.05/8.01 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : 2285 ms resp. 1335 ms w/o parsing
% 4.05/8.05 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 4.05/8.05 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------