%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : ALG256^2 : TPTP v9.3.1. Bugfixed v5.2.0.
% 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 : n010.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 : Wed Sep 30 07:45:03 AM UTC 2026
% Result : Theorem 5.11s 2.49s
% Output : Refutation 5.37s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 6
% Syntax : Number of formulae : 9 ( 8 unt; 0 typ; 5 def)
% Number of atoms : 25 ( 15 equ; 0 cnn)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 41 ( 2 ~; 0 |; 0 &; 31 @)
% ( 0 <=>; 8 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 2 avg)
% Number of types : 3 ( 2 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 10 ( 8 usr; 6 con; 0-4 aty)
% Number of variables : 21 ( 3 ^; 18 !; 0 ?; 21 :)
% Comments :
%------------------------------------------------------------------------------
thf(term_type,type,
term: $tType ).
thf(subst_type,type,
subst: $tType ).
thf(ap_decl,type,
ap: term > term > term ).
thf(sub_decl,type,
sub: term > subst > term ).
thf(id_decl,type,
id: subst ).
thf(hoasap_decl,type,
hoasap: subst > term > subst > term > term ).
thf(hoasapinj1_decl,type,
hoasapinj1: $o ).
thf(apinj1_decl,type,
apinj1: $o ).
thf(hoasapinj1_lthm_decl,type,
hoasapinj1_lthm: $o ).
thf(axvarid_decl,type,
axvarid: $o ).
thf(hoasap_def,definition,
( hoasap
= ( ^ [A: subst,B: term,C: subst] : ( ap @ ( sub @ B @ C ) ) ) ) ).
thf(hoasapinj1_def,definition,
( hoasapinj1
= ( ! [A: term,B: term,C: term,D: term] :
( ( ( hoasap @ id @ A @ id @ C )
= ( hoasap @ id @ B @ id @ D ) )
=> ( A = B ) ) ) ) ).
thf(apinj1_def,definition,
( apinj1
= ( ! [A: term,B: term,C: term,D: term] :
( ( ( ap @ A @ C )
= ( ap @ B @ D ) )
=> ( A = B ) ) ) ) ).
thf(hoasapinj1_lthm_def,definition,
( hoasapinj1_lthm
= ( axvarid
=> ( apinj1
=> hoasapinj1 ) ) ) ).
thf(axvarid_def,definition,
( axvarid
= ( ! [A: term] :
( ( sub @ A @ id )
= A ) ) ) ).
thf(1,conjecture,
hoasapinj1_lthm,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm) ).
thf(2,negated_conjecture,
~ hoasapinj1_lthm,
inference(neg_conjecture,[status(cth)],[1]) ).
thf(3,plain,
~ ( ! [A: term] :
( ( sub @ A @ id )
= A )
=> ( ! [A: term,B: term,C: term,D: term] :
( ( ( ap @ A @ C )
= ( ap @ B @ D ) )
=> ( A = B ) )
=> ! [A: term,B: term,C: term,D: term] :
( ( ( ap @ ( sub @ A @ id ) @ C )
= ( ap @ ( sub @ B @ id ) @ D ) )
=> ( A = B ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(17,plain,
$false,
inference(e,[status(thm)],[3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ALG256^2 : TPTP v9.3.1. Bugfixed v5.2.0.
% 0.00/0.07 % 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
% 0.08/0.19 % Computer : n010.cluster.edu
% 0.08/0.19 % Model : x86_64 x86_64
% 0.08/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.19 % Memory : 8046.5625MB
% 0.08/0.19 % OS : Linux 6.8.0-71-generic
% 0.08/0.19 % CPULimit : 300
% 0.08/0.19 % WCLimit : 300
% 0.08/0.19 % DateTime : Tue Sep 29 17:33:18 UTC 2026
% 0.08/0.19 % CPUTime :
% 0.08/0.19 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
% 0.88/0.78 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 1.61/1.11 % [INFO] Parsing done (332ms).
% 1.61/1.13 % [INFO] Running in sequential loop mode.
% 3.01/1.51 % [INFO] eprover registered as external prover.
% 3.01/1.51 % [INFO] Scanning for conjecture ...
% 3.99/1.94 % [INFO] Found a conjecture (or negated_conjecture) and 0 axioms. Running axiom selection ...
% 3.99/1.97 % [INFO] Axiom selection finished. Selected 0 axioms (removed 0 axioms).
% 3.99/1.97 % [INFO] Problem is higher-order (TPTP THF).
% 3.99/1.97 % [INFO] Type checking passed.
% 3.99/1.98 % [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 ...
% 5.11/2.49 % External prover 'e' found a proof!
% 5.11/2.49 % [INFO] Killing All external provers ...
% 5.11/2.49 % Time passed: 2158ms (effective reasoning time: 1358ms)
% 5.11/2.49 % Solved by 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)>
% 5.11/2.49 % Axioms used in derivation (0):
% 5.11/2.49 % No. of inferences in proof: 4
% 5.11/2.49 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 2158 ms resp. 1358 ms w/o parsing
% 5.37/2.53 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 5.37/2.53 % [INFO] Killing All external provers ...
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