%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : CSR151_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 : n014.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 07:03:26 AM UTC 2026
% Result : Theorem 3.44s 2.33s
% Output : Refutation 3.44s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 2
% Syntax : Number of formulae : 15 ( 5 unt; 0 typ; 0 def)
% Number of atoms : 62 ( 6 equ; 0 cnn)
% Maximal formula atoms : 8 ( 4 avg)
% Number of connectives : 152 ( 9 ~; 8 |; 20 &; 115 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 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 : 0 ( 0 ^; 0 !; 0 ?; 0 :)
% 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(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(5,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(1,conjecture,
( ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
@ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).
thf(2,negated_conjecture,
~ ( ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
@ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(4,plain,
~ ( ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
@ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
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 ) )
!= ( ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
@ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ) )
| ~ $true ),
inference(paramod_ordered,[status(thm)],[5,4]) ).
thf(7,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 ) )
!= ( ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
@ ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI @ holdsDuring_THFTYPE_IiooI ) ) ),
inference(simp,[status(thm)],[6]) ).
thf(8,plain,
( ( ( ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
!= ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ) )
| ( ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI )
!= ( n2009_THFTYPE_i @ lYearFn_THFTYPE_IiiI ) ) ),
inference(simp,[status(thm)],[7]) ).
thf(9,plain,
( ( ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
!= ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ) ),
inference(simp,[status(thm)],[8]) ).
thf(12,plain,
( ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ 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)],[9]) ).
thf(16,plain,
( ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
& ( ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
& ( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) )
& ( ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ) ),
inference(cnf,[status(esa)],[12]) ).
thf(18,plain,
( ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) )
| ( lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ),
inference(cnfConj,[status(thm)],[16]) ).
thf(20,plain,
lBill_THFTYPE_i @ ( lMary_THFTYPE_i @ likes_THFTYPE_IiioI ),
inference(simp,[status(thm)],[18]) ).
thf(26,plain,
( ( ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) )
& $true )
!= ( $true
& ( lBill_THFTYPE_i @ ( lSue_THFTYPE_i @ likes_THFTYPE_IiioI ) ) ) ),
inference(rewrite,[status(thm)],[9,20]) ).
thf(27,plain,
$false,
inference(simp,[status(thm)],[26]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CSR151_8 : TPTP v9.3.1. Released v8.0.0.
% 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
% 0.13/0.41 % Computer : n014.cluster.edu
% 0.13/0.41 % Model : x86_64 x86_64
% 0.13/0.41 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.41 % Memory : 8046.5625MB
% 0.13/0.41 % OS : Linux 6.8.0-71-generic
% 0.13/0.41 % CPULimit : 300
% 0.13/0.41 % WCLimit : 300
% 0.13/0.41 % DateTime : Sun Sep 27 01:19:16 UTC 2026
% 0.13/0.41 % CPUTime :
% 0.13/0.41 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
% 0.85/1.00 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 1.18/1.18 % [INFO] Parsing done (177ms).
% 1.18/1.19 % [INFO] Running in sequential loop mode.
% 1.94/1.60 % [INFO] eprover registered as external prover.
% 1.94/1.61 % [INFO] Scanning for conjecture ...
% 2.13/1.71 % [INFO] Found a conjecture (or negated_conjecture) and 1 axioms. Running axiom selection ...
% 2.13/1.75 % [INFO] Axiom selection finished. Selected 1 axioms (removed 0 axioms).
% 2.13/1.75 % [INFO] Problem is typed first-order (TPTP TFF).
% 2.13/1.75 % [INFO] Type checking passed.
% 2.13/1.76 % [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 ...
% 3.44/2.33 % [INFO] Killing All external provers ...
% 3.44/2.33 % Time passed: 1764ms (effective reasoning time: 1128ms)
% 3.44/2.33 % 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)>
% 3.44/2.33 % Axioms used in derivation (1): ax
% 3.44/2.33 % No. of inferences in proof: 15
% 3.44/2.33 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1764 ms resp. 1128 ms w/o parsing
% 3.44/2.37 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 3.44/2.37 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------