%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : SYO383^5 : TPTP v9.3.1. Released v4.0.0.
% 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 : n018.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 08:45:41 AM UTC 2026
% Result : Theorem 2.87s 1.41s
% Output : Refutation 2.87s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 1
% Syntax : Number of formulae : 4 ( 1 unt; 0 typ; 0 def)
% Number of atoms : 40 ( 0 equ; 0 cnn)
% Maximal formula atoms : 13 ( 10 avg)
% Number of connectives : 161 ( 23 ~; 15 |; 21 &; 102 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 19 ( 14 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 9 ( 8 usr; 5 con; 0-3 aty)
% Number of variables : 36 ( 0 ^; 36 !; 0 ?; 36 :)
% Comments :
%------------------------------------------------------------------------------
thf(cQ_2_decl,type,
cQ_2: $i > $i > $i > $o ).
thf(f_decl,type,
f: $i > $i ).
thf(cP_1_decl,type,
cP_1: $i > $i > $o ).
thf(cQ_1_decl,type,
cQ_1: $i > $i > $i > $o ).
thf(d_decl,type,
d: $i ).
thf(c_decl,type,
c: $i ).
thf(b_decl,type,
b: $i ).
thf(a_decl,type,
a: $i ).
thf(1,conjecture,
~ ( ( cQ_1 @ a @ b @ c )
& ( cP_1 @ a @ a )
& ( cP_1 @ b @ b )
& ( cP_1 @ c @ c )
& ! [A: $i] : ( cP_1 @ d @ A )
& ! [A: $i,B: $i] :
( ~ ( cP_1 @ A @ B )
| ( cP_1 @ ( f @ A ) @ B ) )
& ! [A: $i,B: $i,C: $i,D: $i,E: $i,F: $i] :
( ~ ( cQ_1 @ A @ B @ C )
| ~ ( cP_1 @ ( f @ A ) @ D )
| ~ ( cP_1 @ ( f @ B ) @ E )
| ~ ( cP_1 @ ( f @ C ) @ F )
| ( cQ_2 @ D @ E @ F ) )
& ! [A: $i,B: $i,C: $i] :
~ ( cQ_2 @ A @ B @ C ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cTHM409_1) ).
thf(2,negated_conjecture,
~ ~ ( ( cQ_1 @ a @ b @ c )
& ( cP_1 @ a @ a )
& ( cP_1 @ b @ b )
& ( cP_1 @ c @ c )
& ! [A: $i] : ( cP_1 @ d @ A )
& ! [A: $i,B: $i] :
( ~ ( cP_1 @ A @ B )
| ( cP_1 @ ( f @ A ) @ B ) )
& ! [A: $i,B: $i,C: $i,D: $i,E: $i,F: $i] :
( ~ ( cQ_1 @ A @ B @ C )
| ~ ( cP_1 @ ( f @ A ) @ D )
| ~ ( cP_1 @ ( f @ B ) @ E )
| ~ ( cP_1 @ ( f @ C ) @ F )
| ( cQ_2 @ D @ E @ F ) )
& ! [A: $i,B: $i,C: $i] :
~ ( cQ_2 @ A @ B @ C ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(3,plain,
~ ~ ( ( cQ_1 @ a @ b @ c )
& ( cP_1 @ a @ a )
& ( cP_1 @ b @ b )
& ( cP_1 @ c @ c )
& ! [A: $i] : ( cP_1 @ d @ A )
& ! [A: $i,B: $i] :
( ~ ( cP_1 @ A @ B )
| ( cP_1 @ ( f @ A ) @ B ) )
& ! [A: $i,B: $i,C: $i,D: $i,E: $i,F: $i] :
( ~ ( cQ_1 @ A @ B @ C )
| ~ ( cP_1 @ ( f @ A ) @ D )
| ~ ( cP_1 @ ( f @ B ) @ E )
| ~ ( cP_1 @ ( f @ C ) @ F )
| ( cQ_2 @ D @ E @ F ) )
& ! [A: $i,B: $i,C: $i] :
~ ( cQ_2 @ A @ B @ C ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(18,plain,
$false,
inference(e,[status(thm)],[3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYO383^5 : TPTP v9.3.1. Released v4.0.0.
% 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
% 0.11/0.21 % Computer : n018.cluster.edu
% 0.11/0.21 % Model : x86_64 x86_64
% 0.11/0.21 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.21 % Memory : 8046.5625MB
% 0.11/0.21 % OS : Linux 6.8.0-71-generic
% 0.11/0.22 % CPULimit : 300
% 0.11/0.22 % WCLimit : 300
% 0.11/0.22 % DateTime : Tue Sep 29 16:52:11 UTC 2026
% 0.11/0.22 % CPUTime :
% 0.11/0.22 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
% 0.64/0.53 % [INFO] Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 1.03/0.63 % [INFO] Parsing done (100ms).
% 1.03/0.64 % [INFO] Running in sequential loop mode.
% 1.35/0.84 % [INFO] eprover registered as external prover.
% 1.35/0.84 % [INFO] Scanning for conjecture ...
% 1.62/0.90 % [INFO] Found a conjecture (or negated_conjecture) and 0 axioms. Running axiom selection ...
% 1.62/0.93 % [INFO] Axiom selection finished. Selected 0 axioms (removed 0 axioms).
% 1.62/0.93 % [INFO] Problem is higher-order (TPTP THF).
% 1.62/0.93 % [INFO] Type checking passed.
% 1.62/0.93 % [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 ...
% 2.87/1.41 % External prover 'e' found a proof!
% 2.87/1.41 % [INFO] Killing All external provers ...
% 2.87/1.41 % Time passed: 1096ms (effective reasoning time: 766ms)
% 2.87/1.41 % 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)>
% 2.87/1.41 % Axioms used in derivation (0):
% 2.87/1.41 % No. of inferences in proof: 4
% 2.87/1.41 % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1096 ms resp. 766 ms w/o parsing
% 2.87/1.45 % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 2.87/1.45 % [INFO] Killing All external provers ...
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