%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : KRS068+1 : TPTP v9.3.1. Released v3.1.0.
% 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 : n011.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 07:44:34 AM UTC 2026
% Result : Unsatisfiable 3.93s 2.77s
% Output : Refutation 4.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 7
% Syntax : Number of formulae : 15 ( 3 unt; 0 typ; 0 def)
% Number of atoms : 33 ( 0 equ; 0 cnn)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 61 ( 7 ~; 0 |; 3 &; 36 @)
% ( 1 <=>; 14 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 5 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 10 ( 9 usr; 2 con; 0-2 aty)
% Number of variables : 16 ( 0 ^; 16 !; 0 ?; 16 :)
% 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(cUnsatisfiable_decl,type,
cUnsatisfiable: $i > $o ).
thf(cc_decl,type,
cc: $i > $o ).
thf(cd_decl,type,
cd: $i > $o ).
thf(rr_decl,type,
rr: $i > $i > $o ).
thf(i2003_11_14_17_18_23845_decl,type,
i2003_11_14_17_18_23845: $i ).
thf(5,axiom,
! [A: $i] :
( ( A @ cc )
=> ! [B: $i] :
( ( B @ ( A @ rr ) )
=> ( B @ cc ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_4) ).
thf(24,plain,
! [A: $i] :
( ( A @ cc )
=> ! [B: $i] :
( ( B @ ( A @ rr ) )
=> ( B @ cc ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(2,axiom,
! [A: $i] :
( ( A @ xsd_string )
<=> ~ ( A @ xsd_integer ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_1) ).
thf(14,plain,
! [A: $i] :
( ( ~ ( A @ xsd_integer )
=> ( A @ xsd_string ) )
& ( ( A @ xsd_string )
=> ~ ( A @ xsd_integer ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(3,axiom,
! [A: $i] :
( ( A @ cUnsatisfiable )
=> ( A @ cc ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_2) ).
thf(20,plain,
! [A: $i] :
( ( A @ cUnsatisfiable )
=> ( A @ cc ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(6,axiom,
i2003_11_14_17_18_23845 @ cUnsatisfiable,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_5) ).
thf(26,plain,
i2003_11_14_17_18_23845 @ cUnsatisfiable,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(1,axiom,
! [A: $i] :
( ~ ( A @ cowlNothing )
& ( A @ cowlThing ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_0) ).
thf(8,plain,
! [A: $i] :
( ~ ( A @ cowlNothing )
& ( A @ cowlThing ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(4,axiom,
! [A: $i] :
( ( A @ cUnsatisfiable )
=> ~ ( A @ cd ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_3) ).
thf(22,plain,
! [A: $i] :
( ( A @ cUnsatisfiable )
=> ~ ( A @ cd ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(7,axiom,
! [A: $i] :
( ! [B: $i] :
( ( B @ ( A @ rr ) )
=> ( B @ cc ) )
=> ( A @ cd ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_6) ).
thf(27,plain,
! [A: $i] :
( ! [B: $i] :
( ( B @ ( A @ rr ) )
=> ( B @ cc ) )
=> ( A @ cd ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(31,plain,
$false,
inference(e,[status(thm)],[24,14,20,26,8,22,27]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : KRS068+1 : TPTP v9.3.1. Released v3.1.0.
% 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
% 0.15/0.41 % Computer : n011.cluster.edu
% 0.15/0.41 % Model : x86_64 x86_64
% 0.15/0.41 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.41 % Memory : 8046.5625MB
% 0.15/0.41 % OS : Linux 6.8.0-71-generic
% 0.15/0.41 % CPULimit : 300
% 0.15/0.41 % WCLimit : 300
% 0.15/0.41 % DateTime : Fri Sep 25 19:38:13 UTC 2026
% 0.15/0.41 % CPUTime :
% 0.15/0.41 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
% 1.18/1.09 % [INFO] Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 1.56/1.37 % [INFO] Parsing done (271ms).
% 1.56/1.39 % [INFO] Running in sequential loop mode.
% 2.42/2.00 % [INFO] eprover registered as external prover.
% 2.42/2.01 % [INFO] Scanning for conjecture ...
% 2.69/2.07 % [INFO] 7 axioms and no conjecture found.
% 2.69/2.15 % [INFO] Problem is first-order (TPTP FOF).
% 2.85/2.16 % [INFO] Type checking passed.
% 2.85/2.17 % [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 ...
% 3.93/2.76 % External prover 'e' found a proof!
% 3.93/2.76 % [INFO] Killing All external provers ...
% 3.93/2.76 % Time passed: 2204ms (effective reasoning time: 1365ms)
% 3.93/2.76 % Axioms used in derivation (7): axiom_2, axiom_6, axiom_3, axiom_1, axiom_5, axiom_0, axiom_4
% 3.93/2.76 % No. of inferences in proof: 15
% 3.93/2.77 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2204 ms resp. 1365 ms w/o parsing
% 4.21/2.81 % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 4.21/2.81 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------