%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : SYN355+1 : TPTP v9.3.1. Released v2.0.0.
% 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 : n026.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 09:17:19 AM UTC 2026
% Result : Theorem 5.18s 3.37s
% Output : Refutation 5.39s
% 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 : 19 ( 0 equ; 0 cnn)
% Maximal formula atoms : 6 ( 4 avg)
% Number of connectives : 38 ( 5 ~; 3 |; 3 &; 18 @)
% ( 0 <=>; 9 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 6 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 4 ( 3 usr; 1 con; 0-1 aty)
% Number of variables : 9 ( 0 ^; 9 !; 0 ?; 9 :)
% Comments :
%------------------------------------------------------------------------------
thf(big_r_decl,type,
big_r: $i > $o ).
thf(big_p_decl,type,
big_p: $i > $o ).
thf(big_q_decl,type,
big_q: $i > $o ).
thf(1,conjecture,
( ( ! [A: $i] :
( ~ ( A @ big_q )
=> ( A @ big_r ) )
& ! [A: $i] :
( ( A @ big_r )
=> ( A @ big_p ) ) )
=> ! [A: $i] :
( ( A @ big_q )
| ( A @ big_p ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',x2106) ).
thf(2,negated_conjecture,
~ ( ( ! [A: $i] :
( ~ ( A @ big_q )
=> ( A @ big_r ) )
& ! [A: $i] :
( ( A @ big_r )
=> ( A @ big_p ) ) )
=> ! [A: $i] :
( ( A @ big_q )
| ( A @ big_p ) ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(3,plain,
~ ( ( ! [A: $i] :
( ~ ( A @ big_q )
=> ( A @ big_r ) )
& ! [A: $i] :
( ( A @ big_r )
=> ( A @ big_p ) ) )
=> ! [A: $i] :
( ( A @ big_q )
| ( A @ big_p ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(13,plain,
$false,
inference(e,[status(thm)],[3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SYN355+1 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.12 % 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
% 0.26/0.51 % Computer : n026.cluster.edu
% 0.26/0.51 % Model : x86_64 x86_64
% 0.26/0.51 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.26/0.51 % Memory : 8046.5625MB
% 0.26/0.51 % OS : Linux 6.8.0-71-generic
% 0.26/0.51 % CPULimit : 300
% 0.26/0.51 % WCLimit : 300
% 0.26/0.51 % DateTime : Sat Sep 26 17:39:55 UTC 2026
% 0.26/0.51 % CPUTime :
% 0.26/0.51 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
% 1.56/1.40 % [INFO] Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 1.93/1.66 % [INFO] Parsing done (248ms).
% 1.93/1.68 % [INFO] Running in sequential loop mode.
% 3.04/2.31 % [INFO] eprover registered as external prover.
% 3.04/2.32 % [INFO] Scanning for conjecture ...
% 3.24/2.45 % [INFO] Found a conjecture (or negated_conjecture) and 0 axioms. Running axiom selection ...
% 3.40/2.50 % [INFO] Axiom selection finished. Selected 0 axioms (removed 0 axioms).
% 3.40/2.50 % [INFO] Problem is first-order (TPTP FOF).
% 3.40/2.52 % [INFO] Type checking passed.
% 3.40/2.52 % [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 ...
% 5.18/3.36 % External prover 'e' found a proof!
% 5.18/3.36 % [INFO] Killing All external provers ...
% 5.18/3.37 % Time passed: 2633ms (effective reasoning time: 1679ms)
% 5.18/3.37 % 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)>
% 5.18/3.37 % Axioms used in derivation (0):
% 5.18/3.37 % No. of inferences in proof: 4
% 5.18/3.37 % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2633 ms resp. 1679 ms w/o parsing
% 5.39/3.41 % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 5.39/3.41 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------