%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : KRS168+1 : TPTP v9.3.1. Released v3.1.0.
% 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 : 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 : Sun Sep 27 07:44:48 AM UTC 2026
% Result : Theorem 2.82s 1.87s
% Output : Refutation 3.11s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 8 ( 1 unt; 0 typ; 0 def)
% Number of atoms : 41 ( 0 equ; 0 cnn)
% Maximal formula atoms : 14 ( 5 avg)
% Number of connectives : 99 ( 26 ~; 4 |; 18 &; 40 @)
% ( 5 <=>; 6 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 6 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 6 usr; 1 con; 0-1 aty)
% Number of variables : 13 ( 0 ^; 13 !; 0 ?; 13 :)
% Comments :
%------------------------------------------------------------------------------
thf(cowlThing_decl,type,
cowlThing: $i > $o ).
thf(cowlNothing_decl,type,
cowlNothing: $i > $o ).
thf(xsd_string_decl,type,
xsd_string: $i > $o ).
thf(xsd_integer_decl,type,
xsd_integer: $i > $o ).
thf(cB_decl,type,
cB: $i > $o ).
thf(cA_decl,type,
cA: $i > $o ).
thf(1,conjecture,
( ! [A: $i] :
( ( ~ ( A @ cA )
& ~ ( A @ cB ) )
<=> ~ ( ( A @ cB )
| ( A @ cA ) ) )
& ! [A: $i] :
( ( A @ xsd_string )
<=> ~ ( A @ xsd_integer ) )
& ! [A: $i] :
( ~ ( A @ cowlNothing )
& ( A @ cowlThing ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',the_axiom) ).
thf(2,negated_conjecture,
~ ( ! [A: $i] :
( ( ~ ( A @ cA )
& ~ ( A @ cB ) )
<=> ~ ( ( A @ cB )
| ( A @ cA ) ) )
& ! [A: $i] :
( ( A @ xsd_string )
<=> ~ ( A @ xsd_integer ) )
& ! [A: $i] :
( ~ ( A @ cowlNothing )
& ( A @ cowlThing ) ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(5,plain,
~ ( ! [A: $i] :
( ( ~ ( ( A @ cB )
| ( A @ cA ) )
=> ( ~ ( A @ cA )
& ~ ( A @ cB ) ) )
& ( ( ~ ( A @ cA )
& ~ ( A @ cB ) )
=> ~ ( ( A @ cB )
| ( A @ cA ) ) ) )
& ! [A: $i] :
( ( ~ ( A @ xsd_integer )
=> ( A @ xsd_string ) )
& ( ( A @ xsd_string )
=> ~ ( A @ xsd_integer ) ) )
& ! [A: $i] :
( ~ ( A @ cowlNothing )
& ( A @ cowlThing ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(3,axiom,
! [A: $i] :
( ~ ( A @ cowlNothing )
& ( A @ cowlThing ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_0) ).
thf(18,plain,
! [A: $i] :
( ~ ( A @ cowlNothing )
& ( A @ cowlThing ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(4,axiom,
! [A: $i] :
( ( A @ xsd_string )
<=> ~ ( A @ xsd_integer ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_1) ).
thf(24,plain,
! [A: $i] :
( ( ~ ( A @ xsd_integer )
=> ( A @ xsd_string ) )
& ( ( A @ xsd_string )
=> ~ ( A @ xsd_integer ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(30,plain,
$false,
inference(e,[status(thm)],[5,18,24]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : KRS168+1 : TPTP v9.3.1. Released v3.1.0.
% 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
% 0.14/0.55 % Computer : n018.cluster.edu
% 0.14/0.55 % Model : x86_64 x86_64
% 0.14/0.55 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.55 % Memory : 8046.5625MB
% 0.14/0.55 % OS : Linux 6.8.0-71-generic
% 0.14/0.55 % CPULimit : 300
% 0.14/0.55 % WCLimit : 300
% 0.14/0.55 % DateTime : Fri Sep 25 19:44:07 UTC 2026
% 0.18/0.56 % CPUTime :
% 0.18/0.56 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
% 0.18/0.84 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.18/0.93 % [INFO] Parsing done (86ms).
% 0.18/0.94 % [INFO] Running in sequential loop mode.
% 1.12/1.12 % [INFO] eprover registered as external prover.
% 1.12/1.13 % [INFO] Scanning for conjecture ...
% 1.45/1.22 % [INFO] Found a conjecture (or negated_conjecture) and 2 axioms. Running axiom selection ...
% 1.45/1.26 % [INFO] Axiom selection finished. Selected 2 axioms (removed 0 axioms).
% 1.45/1.27 % [INFO] Problem is first-order (TPTP FOF).
% 1.45/1.27 % [INFO] Type checking passed.
% 1.45/1.28 % [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 ...
% 2.82/1.86 % External prover 'e' found a proof!
% 2.82/1.86 % [INFO] Killing All external provers ...
% 2.82/1.86 % Time passed: 1222ms (effective reasoning time: 924ms)
% 2.82/1.86 % 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)>
% 2.82/1.87 % Axioms used in derivation (2): axiom_0, axiom_1
% 2.82/1.87 % No. of inferences in proof: 8
% 2.82/1.87 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1222 ms resp. 924 ms w/o parsing
% 3.11/1.90 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 3.11/1.90 % [INFO] Killing All external provers ...
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