%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : NUM791_8 : TPTP v9.3.1. Released v8.0.0.
% 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 : n019.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 08:10:01 AM UTC 2026
% Result : Theorem 4.80s 3.05s
% Output : Refutation 5.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 3
% Syntax : Number of formulae : 17 ( 6 unt; 0 typ; 0 def)
% Number of atoms : 38 ( 2 equ; 0 cnn)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 100 ( 19 ~; 9 |; 1 &; 64 @)
% ( 0 <=>; 7 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 5 avg)
% Number of types : 2 ( 1 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 8 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 10 ( 0 ^; 10 !; 0 ?; 10 :)
% Comments :
%------------------------------------------------------------------------------
thf(rat_type,type,
rat: $tType ).
thf(x0_decl,type,
x0: rat ).
thf(y0_decl,type,
y0: rat ).
thf(less_decl,type,
less: rat > rat > $o ).
thf(is_decl,type,
is: rat > rat > $o ).
thf(more_decl,type,
more: rat > rat > $o ).
thf(5,axiom,
! [A: rat,B: rat] :
( ~ ( B @ ( A @ is ) )
=> ( ~ ( B @ ( A @ more ) )
=> ( B @ ( A @ less ) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz81a) ).
thf(13,plain,
! [A: rat,B: rat] :
( ~ ( B @ ( A @ is ) )
=> ( ~ ( B @ ( A @ more ) )
=> ( B @ ( A @ less ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(14,plain,
! [B: rat,A: rat] :
( ( B @ ( A @ less ) )
| ( B @ ( A @ more ) )
| ( B @ ( A @ is ) ) ),
inference(cnf,[status(esa)],[13]) ).
thf(1,conjecture,
y0 @ ( x0 @ more ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz81k) ).
thf(2,negated_conjecture,
~ ( y0 @ ( x0 @ more ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(6,plain,
~ ( y0 @ ( x0 @ more ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(15,plain,
! [B: rat,A: rat] :
( ( ( B @ ( A @ more ) )
!= ( y0 @ ( x0 @ more ) ) )
| ~ $true
| ( B @ ( A @ less ) )
| ( B @ ( A @ is ) ) ),
inference(paramod_ordered,[status(thm)],[14,6]) ).
thf(16,plain,
! [B: rat,A: rat] :
( ( ( B @ ( A @ more ) )
!= ( y0 @ ( x0 @ more ) ) )
| ( B @ ( A @ less ) )
| ( B @ ( A @ is ) ) ),
inference(simp,[status(thm)],[15]) ).
thf(17,plain,
( ( y0 @ ( x0 @ less ) )
| ( y0 @ ( x0 @ is ) ) ),
inference(pattern_uni,[status(thm)],[16:[bind(A,$thf( x0 )),bind(B,$thf( y0 ))]]) ).
thf(3,axiom,
~ ( ~ ( y0 @ ( x0 @ less ) )
=> ( y0 @ ( x0 @ is ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',n) ).
thf(7,plain,
~ ( ~ ( y0 @ ( x0 @ less ) )
=> ( y0 @ ( x0 @ is ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(8,plain,
~ ( ~ ( y0 @ ( x0 @ less ) )
=> ( y0 @ ( x0 @ is ) ) ),
inference(polarity_switch,[status(thm)],[7]) ).
thf(9,plain,
( ~ ( y0 @ ( x0 @ is ) )
& ~ ( y0 @ ( x0 @ less ) ) ),
inference(cnf,[status(esa)],[8]) ).
thf(10,plain,
~ ( y0 @ ( x0 @ less ) ),
inference(cnfConj,[status(thm)],[9]) ).
thf(11,plain,
~ ( y0 @ ( x0 @ is ) ),
inference(cnfConj,[status(thm)],[9]) ).
thf(18,plain,
( $false
| $false ),
inference(rewrite,[status(thm)],[17,10,11]) ).
thf(19,plain,
$false,
inference(simp,[status(thm)],[18]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NUM791_8 : TPTP v9.3.1. Released v8.0.0.
% 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
% 0.13/0.40 % Computer : n019.cluster.edu
% 0.13/0.40 % Model : x86_64 x86_64
% 0.13/0.40 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.40 % Memory : 8046.5625MB
% 0.13/0.40 % OS : Linux 6.8.0-71-generic
% 0.13/0.40 % CPULimit : 300
% 0.13/0.40 % WCLimit : 300
% 0.13/0.40 % DateTime : Sat Sep 26 04:07:48 UTC 2026
% 0.13/0.41 % CPUTime :
% 0.13/0.41 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
% 0.98/1.03 % [INFO] Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 1.68/1.30 % [INFO] Parsing done (260ms).
% 1.68/1.32 % [INFO] Running in sequential loop mode.
% 2.64/1.93 % [INFO] eprover registered as external prover.
% 2.64/1.94 % [INFO] Scanning for conjecture ...
% 2.91/2.06 % [INFO] Found a conjecture (or negated_conjecture) and 3 axioms. Running axiom selection ...
% 2.91/2.11 % [INFO] Axiom selection finished. Selected 3 axioms (removed 0 axioms).
% 2.91/2.14 % [INFO] Problem is typed first-order (TPTP TFF).
% 2.91/2.15 % [INFO] Type checking passed.
% 3.09/2.16 % [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 ...
% 4.80/3.04 % [INFO] Killing All external provers ...
% 4.80/3.04 % Time passed: 2492ms (effective reasoning time: 1708ms)
% 4.80/3.04 % 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)>
% 4.80/3.04 % Axioms used in derivation (2): satz81a, n
% 4.80/3.04 % No. of inferences in proof: 17
% 4.80/3.05 % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2492 ms resp. 1708 ms w/o parsing
% 5.19/3.10 % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 5.19/3.10 % [INFO] Killing All external provers ...
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