%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : PUZ003-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% Computer : n007.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 08:21:03 AM UTC 2026
% Result : Unsatisfiable 3.78s 2.60s
% Output : Refutation 3.78s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 8
% Syntax : Number of formulae : 17 ( 13 unt; 0 typ; 0 def)
% Number of atoms : 27 ( 0 equ; 0 cnn)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 60 ( 12 ~; 10 |; 0 &; 38 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 4 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 8 ( 7 usr; 6 con; 0-2 aty)
% Number of variables : 8 ( 0 ^; 8 !; 0 ?; 8 :)
% Comments :
%------------------------------------------------------------------------------
thf(shaved_decl,type,
shaved: $i > $i > $o ).
thf(petruchio_decl,type,
petruchio: $i ).
thf(lorenzo_decl,type,
lorenzo: $i ).
thf(member_decl,type,
member: $i > $o ).
thf(members_decl,type,
members: $i ).
thf(guido_decl,type,
guido: $i ).
thf(cesare_decl,type,
cesare: $i ).
thf(1,negated_conjecture,
~ ( lorenzo @ ( petruchio @ shaved ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_petruchio_has_shaved_lorenzo) ).
thf(9,plain,
~ ( lorenzo @ ( petruchio @ shaved ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(3,axiom,
! [B: $i,A: $i] :
( ( A @ ( B @ shaved ) )
| ~ ( B @ member )
| ~ ( A @ ( members @ shaved ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',all_shaved_then_one_shaved) ).
thf(13,plain,
! [B: $i,A: $i] :
( ( A @ ( B @ shaved ) )
| ~ ( B @ member )
| ~ ( A @ ( members @ shaved ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(6,axiom,
petruchio @ member,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',petruchio) ).
thf(17,plain,
petruchio @ member,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(7,axiom,
cesare @ member,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cesare) ).
thf(18,plain,
cesare @ member,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(5,axiom,
lorenzo @ member,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lorenzo) ).
thf(16,plain,
lorenzo @ member,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(2,axiom,
! [B: $i,A: $i] :
( ( A @ ( members @ shaved ) )
| ~ ( B @ ( A @ shaved ) )
| ~ ( B @ member )
| ~ ( A @ member ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',one_shaved_then_all_shaved) ).
thf(11,plain,
! [B: $i,A: $i] :
( ( A @ ( members @ shaved ) )
| ~ ( B @ ( A @ shaved ) )
| ~ ( B @ member )
| ~ ( A @ member ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(8,axiom,
cesare @ ( guido @ shaved ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',guido_has_shaved_cesare) ).
thf(19,plain,
cesare @ ( guido @ shaved ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).
thf(4,axiom,
guido @ member,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',guido) ).
thf(15,plain,
guido @ member,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(20,plain,
$false,
inference(e,[status(thm)],[9,13,17,18,16,11,19,15]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ003-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.08 % Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.13/0.39 % Computer : n007.cluster.edu
% 0.13/0.39 % Model : x86_64 x86_64
% 0.13/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.39 % Memory : 8046.5625MB
% 0.13/0.39 % OS : Linux 6.8.0-71-generic
% 0.13/0.39 % CPULimit : 300
% 0.13/0.39 % WCLimit : 300
% 0.13/0.39 % DateTime : Sat Sep 26 05:00:54 UTC 2026
% 0.13/0.39 % CPUTime :
% 0.13/0.39 Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.85/0.98 % [INFO] Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 1.25/1.16 % [INFO] Parsing done (173ms).
% 1.25/1.18 % [INFO] Running in sequential loop mode.
% 2.05/1.76 % [INFO] eprover registered as external prover.
% 2.05/1.77 % [INFO] Scanning for conjecture ...
% 2.23/1.88 % [INFO] Found a conjecture (or negated_conjecture) and 7 axioms. Running axiom selection ...
% 2.36/1.92 % [INFO] Axiom selection finished. Selected 7 axioms (removed 0 axioms).
% 2.36/1.94 % [INFO] Problem is propositional (TPTP CNF).
% 2.36/1.94 % [INFO] Type checking passed.
% 2.36/1.95 % [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 ...
% 3.47/2.59 % External prover 'e' found a proof!
% 3.47/2.60 % [INFO] Killing All external provers ...
% 3.47/2.60 % Time passed: 2056ms (effective reasoning time: 1406ms)
% 3.78/2.60 % Axioms used in derivation (7): one_shaved_then_all_shaved, petruchio, all_shaved_then_one_shaved, guido, lorenzo, guido_has_shaved_cesare, cesare
% 3.78/2.60 % No. of inferences in proof: 17
% 3.78/2.60 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2056 ms resp. 1406 ms w/o parsing
% 3.78/2.65 % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 3.78/2.65 % [INFO] Killing All external provers ...
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