%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : KRS091+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 : n020.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 07:44:37 AM UTC 2026
% Result : Unsatisfiable 4.99s 3.18s
% Output : Refutation 5.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 9
% Syntax : Number of formulae : 19 ( 3 unt; 0 typ; 0 def)
% Number of atoms : 42 ( 0 equ; 0 cnn)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 73 ( 9 ~; 0 |; 7 &; 41 @)
% ( 2 <=>; 14 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 4 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 13 ( 12 usr; 2 con; 0-1 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(cd_decl,type,
cd: $i > $o ).
thf(cc_decl,type,
cc: $i > $o ).
thf(cc1_decl,type,
cc1: $i > $o ).
thf(cd1_decl,type,
cd1: $i > $o ).
thf(ce3_decl,type,
ce3: $i > $o ).
thf(cf_decl,type,
cf: $i > $o ).
thf(i2003_11_14_17_20_00819_decl,type,
i2003_11_14_17_20_00819: $i ).
thf(1,axiom,
! [A: $i] :
( ~ ( A @ cowlNothing )
& ( A @ cowlThing ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_0) ).
thf(10,plain,
! [A: $i] :
( ~ ( A @ cowlNothing )
& ( A @ cowlThing ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(8,axiom,
! [A: $i] :
( ( A @ cf )
=> ( A @ cd ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_7) ).
thf(37,plain,
! [A: $i] :
( ( A @ cf )
=> ( A @ cd ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).
thf(4,axiom,
! [A: $i] :
( ( A @ cc )
=> ~ ( A @ cd ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_3) ).
thf(29,plain,
! [A: $i] :
( ( A @ cc )
=> ~ ( A @ cd ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(6,axiom,
! [A: $i] :
( ( A @ cc1 )
=> ( A @ cd1 ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_5) ).
thf(33,plain,
! [A: $i] :
( ( A @ cc1 )
=> ( A @ cd1 ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(3,axiom,
! [A: $i] :
( ( A @ cUnsatisfiable )
<=> ( ( A @ cc )
& ( A @ cd ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_2) ).
thf(22,plain,
! [A: $i] :
( ( ( ( A @ cc )
& ( A @ cd ) )
=> ( A @ cUnsatisfiable ) )
& ( ( A @ cUnsatisfiable )
=> ( ( A @ cc )
& ( A @ cd ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(9,axiom,
i2003_11_14_17_20_00819 @ cUnsatisfiable,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_8) ).
thf(39,plain,
i2003_11_14_17_20_00819 @ cUnsatisfiable,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).
thf(7,axiom,
! [A: $i] :
( ( A @ ce3 )
=> ( A @ cc ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_6) ).
thf(35,plain,
! [A: $i] :
( ( A @ ce3 )
=> ( A @ cc ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(2,axiom,
! [A: $i] :
( ( A @ xsd_string )
<=> ~ ( A @ xsd_integer ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_1) ).
thf(16,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(5,axiom,
! [A: $i] :
( ( A @ cc1 )
=> ~ ( A @ cd1 ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_4) ).
thf(31,plain,
! [A: $i] :
( ( A @ cc1 )
=> ~ ( A @ cd1 ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(40,plain,
$false,
inference(e,[status(thm)],[10,37,29,33,22,39,35,16,31]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : KRS091+1 : TPTP v9.3.1. Released v3.1.0.
% 0.00/0.12 % 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
% 0.23/0.49 % Computer : n020.cluster.edu
% 0.23/0.49 % Model : x86_64 x86_64
% 0.23/0.49 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.23/0.49 % Memory : 8046.5625MB
% 0.23/0.49 % OS : Linux 6.8.0-71-generic
% 0.23/0.49 % CPULimit : 300
% 0.23/0.49 % WCLimit : 300
% 0.23/0.49 % DateTime : Fri Sep 25 19:39:48 UTC 2026
% 0.23/0.50 % CPUTime :
% 0.23/0.50 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
% 1.25/1.29 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 1.77/1.55 % [INFO] Parsing done (256ms).
% 1.77/1.57 % [INFO] Running in sequential loop mode.
% 2.83/2.17 % [INFO] eprover registered as external prover.
% 2.83/2.18 % [INFO] Scanning for conjecture ...
% 2.92/2.23 % [INFO] 9 axioms and no conjecture found.
% 3.09/2.31 % [INFO] Problem is first-order (TPTP FOF).
% 3.09/2.32 % [INFO] Type checking passed.
% 3.09/2.33 % [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 ...
% 4.99/3.17 % External prover 'e' found a proof!
% 4.99/3.17 % [INFO] Killing All external provers ...
% 4.99/3.17 % Time passed: 2496ms (effective reasoning time: 1591ms)
% 4.99/3.17 % Axioms used in derivation (9): axiom_7, axiom_2, axiom_6, axiom_3, axiom_1, axiom_8, axiom_5, axiom_0, axiom_4
% 4.99/3.18 % No. of inferences in proof: 19
% 4.99/3.18 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : 2496 ms resp. 1591 ms w/o parsing
% 5.10/3.24 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 5.10/3.24 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------