%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : CSR098+3 : TPTP v9.3.1. Bugfixed v7.3.0.
% 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 : n016.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 07:01:22 AM UTC 2026
% Result : Theorem 17.34s 34.44s
% Output : Refutation 17.34s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 4
% Syntax : Number of formulae : 10 ( 10 unt; 0 typ; 0 def)
% Number of atoms : 10 ( 2 equ; 0 cnn)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 16 ( 2 ~; 0 |; 0 &; 14 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 5 usr; 5 con; 0-2 aty)
% Number of variables : 0 ( 0 ^; 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
thf(s__instance_decl,type,
s__instance: $i > $i > $o ).
thf(s__Animal29_1_decl,type,
s__Animal29_1: $i ).
thf(s__Amphibian_decl,type,
s__Amphibian: $i ).
thf(s__Animal_decl,type,
s__Animal: $i ).
thf(s__Frog29_1_decl,type,
s__Frog29_1: $i ).
thf(1,conjecture,
s__Amphibian @ ( s__Animal29_1 @ s__instance ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_from_ALL) ).
thf(2,negated_conjecture,
~ ( s__Amphibian @ ( s__Animal29_1 @ s__instance ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(6,plain,
~ ( s__Amphibian @ ( s__Animal29_1 @ s__instance ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(3,axiom,
s__Animal @ ( s__Animal29_1 @ s__instance ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',local_2) ).
thf(7,plain,
s__Animal @ ( s__Animal29_1 @ s__instance ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(4,axiom,
s__Frog29_1 = s__Animal29_1,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',local_3) ).
thf(8,plain,
s__Frog29_1 = s__Animal29_1,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(5,axiom,
s__Amphibian @ ( s__Frog29_1 @ s__instance ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',local_1) ).
thf(10,plain,
s__Amphibian @ ( s__Frog29_1 @ s__instance ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(11,plain,
$false,
inference(e,[status(thm)],[6,7,8,10]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CSR098+3 : TPTP v9.3.1. Bugfixed v7.3.0.
% 0.00/0.08 % 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
% 0.09/5.38 % Computer : n016.cluster.edu
% 0.09/5.38 % Model : x86_64 x86_64
% 0.09/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/5.38 % Memory : 8046.5625MB
% 0.09/5.38 % OS : Linux 6.8.0-71-generic
% 0.13/25.48 % CPULimit : 300
% 0.13/25.48 % WCLimit : 300
% 0.13/25.48 % DateTime : Sun Sep 27 00:53:32 UTC 2026
% 0.13/25.49 % CPUTime :
% 0.13/25.49 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
% 1.16/26.08 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 9.62/30.42 % [INFO] Parsing done (4341ms).
% 9.62/30.48 % [INFO] Running in sequential loop mode.
% 10.16/30.85 % [INFO] eprover registered as external prover.
% 10.16/30.86 % [INFO] Scanning for conjecture ...
% 14.32/33.26 % [INFO] Found a conjecture (or negated_conjecture) and 145104 axioms. Running axiom selection ...
% 16.29/33.98 % [INFO] Axiom selection finished. Selected 3 axioms (removed 145101 axioms).
% 16.29/33.99 % [INFO] Problem is first-order (TPTP FOF).
% 16.29/33.99 % [INFO] Type checking passed.
% 16.29/34.00 % [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 ...
% 17.34/34.44 % External prover 'e' found a proof!
% 17.34/34.44 % [INFO] Killing All external provers ...
% 17.34/34.44 % Time passed: 8803ms (effective reasoning time: 3950ms)
% 17.34/34.44 % 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)>
% 17.34/34.44 % Axioms used in derivation (3): local_2, local_3, local_1
% 17.34/34.44 % No. of inferences in proof: 10
% 17.34/34.44 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 8803 ms resp. 3950 ms w/o parsing
% 17.34/34.47 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 17.34/34.47 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------