%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : CSR120_8 : TPTP v9.3.1. Released v8.0.0.
% 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 : n015.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 07:03:15 AM UTC 2026
% Result : Theorem 3.60s 2.27s
% Output : Refutation 3.98s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 2
% Syntax : Number of formulae : 14 ( 3 unt; 0 typ; 0 def)
% Number of atoms : 46 ( 5 equ; 0 cnn)
% Maximal formula atoms : 4 ( 3 avg)
% Number of connectives : 134 ( 30 ~; 13 |; 1 &; 90 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 5 avg)
% Number of types : 3 ( 1 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 10 ( 7 usr; 6 con; 0-2 aty)
% Number of variables : 11 ( 0 ^; 8 !; 3 ?; 11 :)
% Comments :
%------------------------------------------------------------------------------
thf(num_type,type,
num: $tType ).
thf(holdsDuring_THFTYPE_IiooI_decl,type,
holdsDuring_THFTYPE_IiooI: $i > $o > $o ).
thf(lBill_THFTYPE_i_decl,type,
lBill_THFTYPE_i: $i ).
thf(lMary_THFTYPE_i_decl,type,
lMary_THFTYPE_i: $i ).
thf(lSue_THFTYPE_i_decl,type,
lSue_THFTYPE_i: $i ).
thf(lYearFn_THFTYPE_IiiI_decl,type,
lYearFn_THFTYPE_IiiI: $i > $i ).
thf(likes_THFTYPE_IiioI_decl,type,
likes_THFTYPE_IiioI: $i > $i > $o ).
thf(n2009_THFTYPE_i_decl,type,
n2009_THFTYPE_i: $i ).
thf(1,conjecture,
? [A: $i] : ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) @ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).
thf(2,negated_conjecture,
~ ? [A: $i] : ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) @ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(4,plain,
~ ? [A: $i] : ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) @ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(5,plain,
! [A: $i] :
~ ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) @ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ),
inference(cnf,[status(esa)],[4]) ).
thf(3,axiom,
( ~ ( ~ ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ~ ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
@ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax) ).
thf(6,plain,
( ~ ( ~ ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ~ ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
@ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(7,plain,
! [A: $i] :
( ( ( ~ ( ~ ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ~ ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
@ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) )
!= ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) @ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ) )
| ~ $true ),
inference(paramod_ordered,[status(thm)],[6,5]) ).
thf(8,plain,
! [A: $i] :
( ( ~ ( ~ ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ~ ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
@ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) )
!= ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) @ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ) ),
inference(simp,[status(thm)],[7]) ).
thf(9,plain,
! [A: $i] :
( ( ( ~ ( ~ ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ~ ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ) )
!= ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) ) )
| ( ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI )
!= ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI ) ) ),
inference(simp,[status(thm)],[8]) ).
thf(10,plain,
! [A: $i] :
( ( ~ ( ~ ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ~ ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ) )
!= ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) ) ),
inference(simp,[status(thm)],[9]) ).
thf(12,plain,
! [A: $i] :
( ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) )
| ~ ( ~ ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ~ ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ) ),
inference(bool_ext,[status(thm)],[10]) ).
thf(14,plain,
! [A: $i] :
( ( ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) )
| ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
& ( ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) )
| ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ) ),
inference(cnf,[status(esa)],[12]) ).
thf(15,plain,
! [A: $i] :
( ( lBill_THFTYPE_i @ ( A @ likes_THFTYPE_IiioI ) )
| ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ),
inference(cnfConj,[status(thm)],[14]) ).
thf(108,plain,
$false,
inference(e,[status(thm)],[5,10,6,4,15]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CSR120_8 : TPTP v9.3.1. Released v8.0.0.
% 0.00/0.07 % 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
% 0.12/0.38 % Computer : n015.cluster.edu
% 0.12/0.38 % Model : x86_64 x86_64
% 0.12/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.38 % Memory : 8046.5625MB
% 0.12/0.38 % OS : Linux 6.8.0-71-generic
% 0.12/0.38 % CPULimit : 300
% 0.12/0.38 % WCLimit : 300
% 0.12/0.38 % DateTime : Sun Sep 27 01:20:15 UTC 2026
% 0.12/0.38 % CPUTime :
% 0.12/0.38 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
% 0.71/0.71 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 1.08/0.90 % [INFO] Parsing done (185ms).
% 1.08/0.91 % [INFO] Running in sequential loop mode.
% 1.70/1.32 % [INFO] eprover registered as external prover.
% 1.70/1.33 % [INFO] Scanning for conjecture ...
% 1.87/1.42 % [INFO] Found a conjecture (or negated_conjecture) and 1 axioms. Running axiom selection ...
% 1.87/1.46 % [INFO] Axiom selection finished. Selected 1 axioms (removed 0 axioms).
% 1.87/1.47 % [INFO] Problem is typed first-order (TPTP TFF).
% 1.87/1.47 % [INFO] Type checking passed.
% 1.87/1.48 % [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 ...
% 3.60/2.27 % External prover 'e' found a proof!
% 3.60/2.27 % [INFO] Killing All external provers ...
% 3.60/2.27 % Time passed: 1784ms (effective reasoning time: 1346ms)
% 3.60/2.27 % 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)>
% 3.60/2.27 % Axioms used in derivation (1): ax
% 3.60/2.27 % No. of inferences in proof: 14
% 3.60/2.27 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1784 ms resp. 1346 ms w/o parsing
% 3.98/2.30 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 3.98/2.30 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------