%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : SET099-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 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 : Thu Sep 24 02:09:20 PM UTC 2026
% Result : Unsatisfiable 4.70s 1.08s
% Output : CNFRefutation 4.70s
% Verified :
% SZS Type : Refutation
% Derivation depth : 36
% Number of leaves : 18
% Syntax : Number of formulae : 113 ( 28 unt; 0 def)
% Number of atoms : 226 ( 66 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 188 ( 75 ~; 113 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 6 ( 2 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 3 con; 0-2 aty)
% Number of variables : 141 ( 141 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X,Y,U] :
( member(U,Y)
| ~ member(U,X)
| ~ subclass(X,Y) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f2,axiom,
! [X,Y] :
( subclass(X,Y)
| member(not_subclass_element(X,Y),X) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f3,axiom,
! [X,Y] :
( subclass(X,Y)
| ~ member(not_subclass_element(X,Y),Y) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f4,axiom,
! [X] : subclass(X,universal_class),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7,axiom,
! [X,Y] :
( X = Y
| ~ subclass(Y,X)
| ~ subclass(X,Y) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f8,axiom,
! [U,X,Y] :
( U = Y
| U = X
| ~ member(U,unordered_pair(X,Y)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f9,axiom,
! [X,Y] :
( member(X,unordered_pair(X,Y))
| ~ member(X,universal_class) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f12,axiom,
! [X] : unordered_pair(X,X) = singleton(X),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f21,axiom,
! [Z,X,Y] :
( member(Z,X)
| ~ member(Z,intersection(X,Y)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f22,axiom,
! [Z,X,Y] :
( member(Z,Y)
| ~ member(Z,intersection(X,Y)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f23,axiom,
! [Z,X,Y] :
( member(Z,intersection(X,Y))
| ~ member(Z,Y)
| ~ member(Z,X) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f24,axiom,
! [Z,X] :
( ~ member(Z,X)
| ~ member(Z,complement(X)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f25,axiom,
! [Z,X] :
( member(Z,X)
| member(Z,complement(X))
| ~ member(Z,universal_class) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f66,axiom,
! [X] :
( member(regular(X),X)
| X = null_class ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f67,axiom,
! [X] :
( intersection(X,regular(X)) = null_class
| X = null_class ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f92,negated_conjecture,
not_subclass_element(intersection(complement(singleton(not_subclass_element(x,null_class))),x),null_class) = not_subclass_element(x,null_class),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f93,negated_conjecture,
singleton(not_subclass_element(x,null_class)) != x,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f94,negated_conjecture,
x != null_class,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f95,plain,
! [Y,U] :
( member(U,Y)
| ! [X] :
( ~ member(U,X)
| ~ subclass(X,Y) ) ),
inference(miniscoping,[status(thm)],[f1]) ).
fof(f96,plain,
! [X0,X1,X2] :
( member(X2,X1)
| ~ member(X2,X0)
| ~ subclass(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f95]) ).
fof(f97,plain,
! [X0,X1] :
( subclass(X0,X1)
| member(not_subclass_element(X0,X1),X0) ),
inference(cnf_transformation,[status(thm)],[f2]) ).
fof(f98,plain,
! [X0,X1] :
( subclass(X0,X1)
| ~ member(not_subclass_element(X0,X1),X1) ),
inference(cnf_transformation,[status(thm)],[f3]) ).
fof(f99,plain,
! [X0] : subclass(X0,universal_class),
inference(cnf_transformation,[status(thm)],[f4]) ).
fof(f102,plain,
! [X0,X1] :
( X0 = X1
| ~ subclass(X1,X0)
| ~ subclass(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f7]) ).
fof(f103,plain,
! [U,Y] :
( U = Y
| ! [X] :
( U = X
| ~ member(U,unordered_pair(X,Y)) ) ),
inference(miniscoping,[status(thm)],[f8]) ).
fof(f104,plain,
! [X0,X1,X2] :
( X0 = X2
| X0 = X1
| ~ member(X0,unordered_pair(X1,X2)) ),
inference(cnf_transformation,[status(thm)],[f103]) ).
fof(f105,plain,
! [X] :
( ! [Y] : member(X,unordered_pair(X,Y))
| ~ member(X,universal_class) ),
inference(miniscoping,[status(thm)],[f9]) ).
fof(f106,plain,
! [X0,X1] :
( member(X0,unordered_pair(X0,X1))
| ~ member(X0,universal_class) ),
inference(cnf_transformation,[status(thm)],[f105]) ).
fof(f110,plain,
! [X0] : unordered_pair(X0,X0) = singleton(X0),
inference(cnf_transformation,[status(thm)],[f12]) ).
fof(f122,plain,
! [Z,X] :
( member(Z,X)
| ! [Y] : ~ member(Z,intersection(X,Y)) ),
inference(miniscoping,[status(thm)],[f21]) ).
fof(f123,plain,
! [X0,X1,X2] :
( member(X0,X1)
| ~ member(X0,intersection(X1,X2)) ),
inference(cnf_transformation,[status(thm)],[f122]) ).
fof(f124,plain,
! [Z,Y] :
( member(Z,Y)
| ! [X] : ~ member(Z,intersection(X,Y)) ),
inference(miniscoping,[status(thm)],[f22]) ).
fof(f125,plain,
! [X0,X1,X2] :
( member(X0,X2)
| ~ member(X0,intersection(X1,X2)) ),
inference(cnf_transformation,[status(thm)],[f124]) ).
fof(f126,plain,
! [X0,X1,X2] :
( member(X0,intersection(X1,X2))
| ~ member(X0,X2)
| ~ member(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f23]) ).
fof(f127,plain,
! [X0,X1] :
( ~ member(X0,X1)
| ~ member(X0,complement(X1)) ),
inference(cnf_transformation,[status(thm)],[f24]) ).
fof(f128,plain,
! [X0,X1] :
( member(X0,X1)
| member(X0,complement(X1))
| ~ member(X0,universal_class) ),
inference(cnf_transformation,[status(thm)],[f25]) ).
fof(f169,plain,
! [X0] :
( member(regular(X0),X0)
| X0 = null_class ),
inference(cnf_transformation,[status(thm)],[f66]) ).
fof(f170,plain,
! [X0] :
( intersection(X0,regular(X0)) = null_class
| X0 = null_class ),
inference(cnf_transformation,[status(thm)],[f67]) ).
fof(f200,plain,
not_subclass_element(intersection(complement(singleton(not_subclass_element(x,null_class))),x),null_class) = not_subclass_element(x,null_class),
inference(cnf_transformation,[status(thm)],[f92]) ).
fof(f201,plain,
singleton(not_subclass_element(x,null_class)) != x,
inference(cnf_transformation,[status(thm)],[f93]) ).
fof(f202,plain,
x != null_class,
inference(cnf_transformation,[status(thm)],[f94]) ).
fof(f210,plain,
( subclass(intersection(complement(singleton(not_subclass_element(x,null_class))),x),null_class)
| member(not_subclass_element(x,null_class),intersection(complement(singleton(not_subclass_element(x,null_class))),x)) ),
inference(paramodulation,[status(thm)],[f200,f97]) ).
fof(f214,plain,
( subclass(intersection(complement(singleton(not_subclass_element(x,null_class))),x),null_class)
| member(not_subclass_element(x,null_class),complement(singleton(not_subclass_element(x,null_class)))) ),
inference(resolution,[status(thm)],[f123,f210]) ).
fof(f215,plain,
! [X0,X1,X2] :
( subclass(intersection(X0,X1),X2)
| member(not_subclass_element(intersection(X0,X1),X2),X0) ),
inference(resolution,[status(thm)],[f123,f97]) ).
fof(f216,plain,
( subclass(intersection(complement(singleton(not_subclass_element(x,null_class))),x),null_class)
| member(not_subclass_element(x,null_class),x) ),
inference(resolution,[status(thm)],[f125,f210]) ).
fof(f217,plain,
! [X0,X1,X2] :
( subclass(intersection(X0,X1),X2)
| member(not_subclass_element(intersection(X0,X1),X2),X1) ),
inference(resolution,[status(thm)],[f125,f97]) ).
fof(f219,plain,
! [X0,X1,X2] :
( subclass(X0,X1)
| member(not_subclass_element(X0,X1),intersection(X2,X0))
| ~ member(not_subclass_element(X0,X1),X2) ),
inference(resolution,[status(thm)],[f126,f97]) ).
fof(f221,plain,
! [X0,X1] :
( subclass(intersection(X0,X1),X0)
| subclass(intersection(X0,X1),X0) ),
inference(resolution,[status(thm)],[f215,f98]) ).
fof(f228,plain,
! [X0,X1] : subclass(intersection(X0,X1),X0),
inference(duplicate_literals_removal,[status(thm)],[f221]) ).
fof(f229,plain,
! [X0,X1] :
( subclass(intersection(X0,X1),X1)
| subclass(intersection(X0,X1),X1) ),
inference(resolution,[status(thm)],[f217,f98]) ).
fof(f236,plain,
! [X0,X1] : subclass(intersection(X0,X1),X1),
inference(duplicate_literals_removal,[status(thm)],[f229]) ).
fof(f237,plain,
! [X0,X1] :
( subclass(X0,intersection(X1,X0))
| subclass(X0,intersection(X1,X0))
| ~ member(not_subclass_element(X0,intersection(X1,X0)),X1) ),
inference(resolution,[status(thm)],[f219,f98]) ).
fof(f242,plain,
! [X0,X1] :
( subclass(X0,intersection(X1,X0))
| ~ member(not_subclass_element(X0,intersection(X1,X0)),X1) ),
inference(duplicate_literals_removal,[status(thm)],[f237]) ).
fof(f271,plain,
! [X0,X1] :
( member(X0,universal_class)
| ~ member(X0,X1) ),
inference(resolution,[status(thm)],[f96,f99]) ).
fof(f276,plain,
! [X0,X1] :
( X0 = intersection(X1,X0)
| ~ subclass(X0,intersection(X1,X0)) ),
inference(resolution,[status(thm)],[f102,f236]) ).
fof(f277,plain,
! [X0,X1] :
( X0 = intersection(X0,X1)
| ~ subclass(X0,intersection(X0,X1)) ),
inference(resolution,[status(thm)],[f102,f228]) ).
fof(f287,plain,
! [X0,X1] :
( X0 = X1
| X0 = X1
| ~ member(X0,singleton(X1)) ),
inference(paramodulation,[status(thm)],[f110,f104]) ).
fof(f288,plain,
! [X0,X1] :
( X0 = X1
| ~ member(X0,singleton(X1)) ),
inference(duplicate_literals_removal,[status(thm)],[f287]) ).
fof(f289,plain,
( null_class = intersection(complement(singleton(not_subclass_element(x,null_class))),x)
| ~ subclass(null_class,intersection(complement(singleton(not_subclass_element(x,null_class))),x))
| member(not_subclass_element(x,null_class),x) ),
inference(resolution,[status(thm)],[f216,f102]) ).
fof(f296,plain,
( null_class = intersection(complement(singleton(not_subclass_element(x,null_class))),x)
| ~ subclass(null_class,intersection(complement(singleton(not_subclass_element(x,null_class))),x))
| member(not_subclass_element(x,null_class),complement(singleton(not_subclass_element(x,null_class)))) ),
inference(resolution,[status(thm)],[f214,f102]) ).
fof(f413,plain,
! [X0,X1] :
( subclass(singleton(X0),X1)
| not_subclass_element(singleton(X0),X1) = X0 ),
inference(resolution,[status(thm)],[f288,f97]) ).
fof(f418,plain,
! [X0,X1] :
( member(regular(intersection(X0,X1)),X1)
| intersection(X0,X1) = null_class ),
inference(resolution,[status(thm)],[f169,f125]) ).
fof(f428,plain,
! [X0,X1,X2] :
( member(X0,X2)
| member(X0,complement(X2))
| ~ member(X0,X1) ),
inference(resolution,[status(thm)],[f271,f128]) ).
fof(f508,plain,
! [X0] :
( X0 = null_class
| subclass(null_class,X0) ),
inference(paramodulation,[status(thm)],[f170,f228]) ).
fof(f512,plain,
( null_class = intersection(complement(singleton(not_subclass_element(x,null_class))),x)
| member(not_subclass_element(x,null_class),complement(singleton(not_subclass_element(x,null_class)))) ),
inference(backward_subsumption_resolution,[status(thm)],[f296,f508]) ).
fof(f513,plain,
( null_class = intersection(complement(singleton(not_subclass_element(x,null_class))),x)
| member(not_subclass_element(x,null_class),x) ),
inference(backward_subsumption_resolution,[status(thm)],[f289,f508]) ).
fof(f520,plain,
! [X0] :
( member(X0,singleton(X0))
| ~ member(X0,universal_class) ),
inference(paramodulation,[status(thm)],[f110,f106]) ).
fof(f546,plain,
( ~ member(not_subclass_element(x,null_class),singleton(not_subclass_element(x,null_class)))
| null_class = intersection(complement(singleton(not_subclass_element(x,null_class))),x) ),
inference(resolution,[status(thm)],[f512,f127]) ).
fof(f565,plain,
! [X0] :
( null_class = intersection(null_class,X0)
| intersection(null_class,X0) = null_class ),
inference(resolution,[status(thm)],[f508,f277]) ).
fof(f567,plain,
! [X0] :
( X0 = null_class
| ~ subclass(X0,null_class)
| X0 = null_class ),
inference(resolution,[status(thm)],[f508,f102]) ).
fof(f569,plain,
! [X0] : intersection(null_class,X0) = null_class,
inference(duplicate_literals_removal,[status(thm)],[f565]) ).
fof(f573,plain,
! [X0] :
( ~ subclass(X0,null_class)
| X0 = null_class ),
inference(duplicate_literals_removal,[status(thm)],[f567]) ).
fof(f597,plain,
! [X0,X1] :
( member(X0,X1)
| ~ member(X0,null_class) ),
inference(paramodulation,[status(thm)],[f569,f125]) ).
fof(f695,plain,
( null_class = intersection(complement(singleton(not_subclass_element(x,null_class))),x)
| ~ member(not_subclass_element(x,null_class),universal_class) ),
inference(resolution,[status(thm)],[f520,f546]) ).
fof(f698,plain,
! [X0,X1] :
( member(X0,intersection(X1,singleton(X0)))
| ~ member(X0,X1)
| ~ member(X0,universal_class) ),
inference(resolution,[status(thm)],[f520,f126]) ).
fof(f700,plain,
! [X0,X1] :
( member(X0,intersection(X1,singleton(X0)))
| ~ member(X0,X1) ),
inference(forward_subsumption_resolution,[status(thm)],[f698,f271]) ).
fof(f791,plain,
! [X0] :
( ~ member(not_subclass_element(x,null_class),X0)
| null_class = intersection(complement(singleton(not_subclass_element(x,null_class))),x) ),
inference(resolution,[status(thm)],[f695,f271]) ).
fof(f792,plain,
null_class = intersection(complement(singleton(not_subclass_element(x,null_class))),x),
inference(backward_subsumption_resolution,[status(thm)],[f513,f791]) ).
fof(f804,plain,
not_subclass_element(null_class,null_class) = not_subclass_element(x,null_class),
inference(backward_demodulation,[status(thm)],[f792,f200]) ).
fof(f824,plain,
singleton(not_subclass_element(null_class,null_class)) != x,
inference(backward_demodulation,[status(thm)],[f804,f201]) ).
fof(f825,plain,
null_class = intersection(complement(singleton(not_subclass_element(null_class,null_class))),x),
inference(backward_demodulation,[status(thm)],[f804,f792]) ).
fof(f863,plain,
( subclass(x,null_class)
| member(not_subclass_element(null_class,null_class),x) ),
inference(paramodulation,[status(thm)],[f804,f97]) ).
fof(f870,plain,
! [X0] :
( subclass(x,X0)
| member(not_subclass_element(x,X0),null_class)
| ~ member(not_subclass_element(x,X0),complement(singleton(not_subclass_element(null_class,null_class)))) ),
inference(paramodulation,[status(thm)],[f825,f219]) ).
fof(f1144,plain,
! [X0,X1] :
( member(not_subclass_element(x,X0),singleton(not_subclass_element(null_class,null_class)))
| ~ member(not_subclass_element(x,X0),X1)
| subclass(x,X0)
| member(not_subclass_element(x,X0),null_class) ),
inference(resolution,[status(thm)],[f870,f428]) ).
fof(f1146,plain,
! [X0,X1] :
( member(not_subclass_element(x,X0),singleton(not_subclass_element(null_class,null_class)))
| ~ member(not_subclass_element(x,X0),X1)
| subclass(x,X0) ),
inference(forward_subsumption_resolution,[status(thm)],[f1144,f597]) ).
fof(f1150,plain,
! [X0,X1] :
( not_subclass_element(x,X0) = not_subclass_element(null_class,null_class)
| ~ member(not_subclass_element(x,X0),X1)
| subclass(x,X0) ),
inference(resolution,[status(thm)],[f1146,f288]) ).
fof(f1158,plain,
! [X0] :
( subclass(x,X0)
| not_subclass_element(x,X0) = not_subclass_element(null_class,null_class)
| subclass(x,X0) ),
inference(resolution,[status(thm)],[f1150,f97]) ).
fof(f1169,plain,
! [X0] :
( not_subclass_element(x,X0) = not_subclass_element(null_class,null_class)
| subclass(x,X0) ),
inference(duplicate_literals_removal,[status(thm)],[f1158]) ).
fof(f1171,plain,
! [X0] :
( x = intersection(x,X0)
| not_subclass_element(x,intersection(x,X0)) = not_subclass_element(null_class,null_class) ),
inference(resolution,[status(thm)],[f1169,f277]) ).
fof(f2472,plain,
! [X0] :
( x = intersection(x,X0)
| subclass(x,intersection(x,X0))
| ~ member(not_subclass_element(null_class,null_class),intersection(x,X0)) ),
inference(paramodulation,[status(thm)],[f1171,f98]) ).
fof(f2473,plain,
! [X0] :
( x = intersection(x,X0)
| subclass(x,intersection(x,X0))
| member(not_subclass_element(null_class,null_class),x) ),
inference(paramodulation,[status(thm)],[f1171,f97]) ).
fof(f2481,plain,
! [X0] :
( x = intersection(x,X0)
| ~ member(not_subclass_element(null_class,null_class),intersection(x,X0)) ),
inference(forward_subsumption_resolution,[status(thm)],[f2472,f277]) ).
fof(f2482,plain,
! [X0] :
( x = intersection(x,X0)
| member(not_subclass_element(null_class,null_class),x) ),
inference(forward_subsumption_resolution,[status(thm)],[f2473,f277]) ).
fof(f2494,plain,
( ~ member(not_subclass_element(null_class,null_class),x)
| x = intersection(x,singleton(not_subclass_element(null_class,null_class))) ),
inference(resolution,[status(thm)],[f2481,f700]) ).
fof(f2505,plain,
x = intersection(x,singleton(not_subclass_element(null_class,null_class))),
inference(forward_subsumption_resolution,[status(thm)],[f2494,f2482]) ).
fof(f2522,plain,
( member(regular(x),singleton(not_subclass_element(null_class,null_class)))
| intersection(x,singleton(not_subclass_element(null_class,null_class))) = null_class ),
inference(paramodulation,[status(thm)],[f2505,f418]) ).
fof(f2526,plain,
( singleton(not_subclass_element(null_class,null_class)) = intersection(x,singleton(not_subclass_element(null_class,null_class)))
| ~ subclass(singleton(not_subclass_element(null_class,null_class)),x) ),
inference(paramodulation,[status(thm)],[f2505,f276]) ).
fof(f2540,plain,
( member(regular(x),singleton(not_subclass_element(null_class,null_class)))
| x = null_class ),
inference(forward_demodulation,[status(thm)],[f2505,f2522]) ).
fof(f2541,plain,
member(regular(x),singleton(not_subclass_element(null_class,null_class))),
inference(forward_subsumption_resolution,[status(thm)],[f2540,f202]) ).
fof(f2547,plain,
( singleton(not_subclass_element(null_class,null_class)) = x
| ~ subclass(singleton(not_subclass_element(null_class,null_class)),x) ),
inference(forward_demodulation,[status(thm)],[f2505,f2526]) ).
fof(f2548,plain,
~ subclass(singleton(not_subclass_element(null_class,null_class)),x),
inference(forward_subsumption_resolution,[status(thm)],[f2547,f824]) ).
fof(f2577,plain,
regular(x) = not_subclass_element(null_class,null_class),
inference(resolution,[status(thm)],[f2541,f288]) ).
fof(f2584,plain,
~ subclass(singleton(regular(x)),x),
inference(backward_demodulation,[status(thm)],[f2577,f2548]) ).
fof(f2585,plain,
x = intersection(x,singleton(regular(x))),
inference(backward_demodulation,[status(thm)],[f2577,f2505]) ).
fof(f2610,plain,
( subclass(x,null_class)
| member(regular(x),x) ),
inference(backward_demodulation,[status(thm)],[f2577,f863]) ).
fof(f2863,plain,
not_subclass_element(singleton(regular(x)),x) = regular(x),
inference(resolution,[status(thm)],[f2584,f413]) ).
fof(f2881,plain,
( subclass(singleton(regular(x)),intersection(x,singleton(regular(x))))
| ~ member(not_subclass_element(singleton(regular(x)),x),x) ),
inference(paramodulation,[status(thm)],[f2585,f242]) ).
fof(f2898,plain,
( subclass(singleton(regular(x)),intersection(x,singleton(regular(x))))
| ~ member(regular(x),x) ),
inference(forward_demodulation,[status(thm)],[f2863,f2881]) ).
fof(f2899,plain,
( subclass(singleton(regular(x)),x)
| ~ member(regular(x),x) ),
inference(forward_demodulation,[status(thm)],[f2585,f2898]) ).
fof(f2903,plain,
subclass(x,null_class),
inference(backward_subsumption_resolution,[status(thm)],[f2610,f2906]) ).
fof(f2906,plain,
~ member(regular(x),x),
inference(forward_subsumption_resolution,[status(thm)],[f2899,f2584]) ).
fof(f2920,plain,
x = null_class,
inference(resolution,[status(thm)],[f2903,f573]) ).
fof(f2923,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f2920,f202]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SET099-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.03 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.35 % Computer : n014.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.35 % DateTime : Mon Sep 21 04:52:34 UTC 2026
% 0.08/0.35 % CPUTime :
% 0.08/0.37 % Drodi V4.1.1
% 4.70/1.08 % Refutation found
% 4.70/1.08 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 4.70/1.08 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.82/1.11 % Elapsed time: 0.739141 seconds
% 0.82/1.11 % CPU time: 5.446133 seconds
% 0.82/1.11 % Total memory used: 190.868 MB
% 0.82/1.11 % Net memory used: 181.362 MB
%------------------------------------------------------------------------------