%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : SWB025+2 : TPTP v9.3.1. Released v5.2.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n002.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 02:37:10 PM UTC 2026
% Result : Theorem 0.16s 5.41s
% Output : CNFRefutation 0.16s
% Verified :
% SZS Type : Refutation
% Derivation depth : 16
% Number of leaves : 6
% Syntax : Number of formulae : 59 ( 18 unt; 2 def)
% Number of atoms : 284 ( 0 equ)
% Maximal formula atoms : 18 ( 4 avg)
% Number of connectives : 352 ( 127 ~; 128 |; 89 &)
% ( 6 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 21 ( 7 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 3 prp; 0-3 aty)
% Number of functors : 22 ( 22 usr; 17 con; 0-4 aty)
% Number of variables : 153 ( 133 !; 20 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [P,S1,P1,S2,P2] :
( ( iext(uri_rdf_rest,S2,uri_rdf_nil)
& iext(uri_rdf_first,S2,P2)
& iext(uri_rdf_rest,S1,S2)
& iext(uri_rdf_first,S1,P1) )
=> ( iext(uri_owl_propertyChainAxiom,P,S1)
<=> ( ! [Y0,Y1,Y2] :
( ( iext(P2,Y1,Y2)
& iext(P1,Y0,Y1) )
=> iext(P,Y0,Y2) )
& ip(P2)
& ip(P1)
& ip(P) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f2,axiom,
! [P1,P2] :
( iext(uri_owl_inverseOf,P1,P2)
<=> ( ! [X,Y] :
( iext(P1,X,Y)
<=> iext(P2,Y,X) )
& ip(P2)
& ip(P1) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f3,conjecture,
( iext(uri_ex_hasCousin,uri_ex_bob,uri_ex_alice)
& iext(uri_ex_hasUncle,uri_ex_alice,uri_ex_charly) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f4,negated_conjecture,
~ ( iext(uri_ex_hasCousin,uri_ex_bob,uri_ex_alice)
& iext(uri_ex_hasUncle,uri_ex_alice,uri_ex_charly) ),
inference(negated_conjecture,[status(cth)],[f3]) ).
fof(f5,axiom,
? [BNODE_l11,BNODE_l12,BNODE_l21,BNODE_l22,BNODE_l3] :
( iext(uri_ex_hasUncle,uri_ex_bob,uri_ex_dave)
& iext(uri_ex_hasFather,uri_ex_bob,uri_ex_charly)
& iext(uri_ex_hasCousin,uri_ex_alice,uri_ex_bob)
& iext(uri_ex_hasFather,uri_ex_alice,uri_ex_dave)
& iext(uri_owl_inverseOf,BNODE_l3,uri_ex_hasFather)
& iext(uri_rdf_rest,BNODE_l22,uri_rdf_nil)
& iext(uri_rdf_first,BNODE_l22,BNODE_l3)
& iext(uri_rdf_rest,BNODE_l21,BNODE_l22)
& iext(uri_rdf_first,BNODE_l21,uri_ex_hasUncle)
& iext(uri_owl_propertyChainAxiom,uri_ex_hasCousin,BNODE_l21)
& iext(uri_rdf_rest,BNODE_l12,uri_rdf_nil)
& iext(uri_rdf_first,BNODE_l12,uri_ex_hasFather)
& iext(uri_rdf_rest,BNODE_l11,BNODE_l12)
& iext(uri_rdf_first,BNODE_l11,uri_ex_hasCousin)
& iext(uri_owl_propertyChainAxiom,uri_ex_hasUncle,BNODE_l11) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6,plain,
! [P,S1,P1,S2,P2] :
( ( iext(uri_owl_propertyChainAxiom,P,S1)
<=> ( ! [Y0,Y1,Y2] :
( iext(P,Y0,Y2)
| ~ iext(P2,Y1,Y2)
| ~ iext(P1,Y0,Y1) )
& ip(P2)
& ip(P1)
& ip(P) ) )
| ~ iext(uri_rdf_rest,S2,uri_rdf_nil)
| ~ iext(uri_rdf_first,S2,P2)
| ~ iext(uri_rdf_rest,S1,S2)
| ~ iext(uri_rdf_first,S1,P1) ),
inference(pre_NNF_transformation,[status(thm)],[f1]) ).
fof(f7,plain,
! [P,S1,P1,S2,P2] :
( ( ( ? [Y0,Y1,Y2] :
( ~ iext(P,Y0,Y2)
& iext(P2,Y1,Y2)
& iext(P1,Y0,Y1) )
| ~ ip(P2)
| ~ ip(P1)
| ~ ip(P)
| iext(uri_owl_propertyChainAxiom,P,S1) )
& ( ( ! [Y0,Y1,Y2] :
( iext(P,Y0,Y2)
| ~ iext(P2,Y1,Y2)
| ~ iext(P1,Y0,Y1) )
& ip(P2)
& ip(P1)
& ip(P) )
| ~ iext(uri_owl_propertyChainAxiom,P,S1) ) )
| ~ iext(uri_rdf_rest,S2,uri_rdf_nil)
| ~ iext(uri_rdf_first,S2,P2)
| ~ iext(uri_rdf_rest,S1,S2)
| ~ iext(uri_rdf_first,S1,P1) ),
inference(NNF_transformation,[status(thm)],[f6]) ).
fof(f8,plain,
! [S1,P1,P2] :
( ( ! [P] :
( ? [Y0,Y2] :
( ~ iext(P,Y0,Y2)
& ? [Y1] :
( iext(P2,Y1,Y2)
& iext(P1,Y0,Y1) ) )
| ~ ip(P2)
| ~ ip(P1)
| ~ ip(P)
| iext(uri_owl_propertyChainAxiom,P,S1) )
& ! [P] :
( ( ! [Y0,Y2] :
( iext(P,Y0,Y2)
| ! [Y1] :
( ~ iext(P2,Y1,Y2)
| ~ iext(P1,Y0,Y1) ) )
& ip(P2)
& ip(P1)
& ip(P) )
| ~ iext(uri_owl_propertyChainAxiom,P,S1) ) )
| ! [S2] :
( ~ iext(uri_rdf_rest,S2,uri_rdf_nil)
| ~ iext(uri_rdf_first,S2,P2)
| ~ iext(uri_rdf_rest,S1,S2)
| ~ iext(uri_rdf_first,S1,P1) ) ),
inference(miniscoping,[status(thm)],[f7]) ).
fof(f9,plain,
! [S1,P1,P2] :
( ( ! [P] :
( ( ~ iext(P,sK0_skl(P,P2,P1,S1),sK1_skl(P,P2,P1,S1))
& iext(P2,sK2_skl(P,P2,P1,S1),sK1_skl(P,P2,P1,S1))
& iext(P1,sK0_skl(P,P2,P1,S1),sK2_skl(P,P2,P1,S1)) )
| ~ ip(P2)
| ~ ip(P1)
| ~ ip(P)
| iext(uri_owl_propertyChainAxiom,P,S1) )
& ! [P] :
( ( ! [Y0,Y2] :
( iext(P,Y0,Y2)
| ! [Y1] :
( ~ iext(P2,Y1,Y2)
| ~ iext(P1,Y0,Y1) ) )
& ip(P2)
& ip(P1)
& ip(P) )
| ~ iext(uri_owl_propertyChainAxiom,P,S1) ) )
| ! [S2] :
( ~ iext(uri_rdf_rest,S2,uri_rdf_nil)
| ~ iext(uri_rdf_first,S2,P2)
| ~ iext(uri_rdf_rest,S1,S2)
| ~ iext(uri_rdf_first,S1,P1) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl,sK1_skl,sK2_skl]),skolemize(Y0,sK0_skl(P,P2,P1,S1)),skolemize(Y2,sK1_skl(P,P2,P1,S1)),skolemize(Y1,sK2_skl(P,P2,P1,S1))],[f8]) ).
fof(f13,plain,
! [X0,X1,X2,X3,X4,X5,X6,X7] :
( iext(X4,X5,X7)
| ~ iext(X3,X6,X7)
| ~ iext(X1,X5,X6)
| ~ iext(uri_owl_propertyChainAxiom,X4,X0)
| ~ iext(uri_rdf_rest,X2,uri_rdf_nil)
| ~ iext(uri_rdf_first,X2,X3)
| ~ iext(uri_rdf_rest,X0,X2)
| ~ iext(uri_rdf_first,X0,X1) ),
inference(cnf_transformation,[status(thm)],[f9]) ).
fof(f17,plain,
! [P1,P2] :
( ( ? [X,Y] :
( ( iext(P2,Y,X)
| iext(P1,X,Y) )
& ( ~ iext(P2,Y,X)
| ~ iext(P1,X,Y) ) )
| ~ ip(P2)
| ~ ip(P1)
| iext(uri_owl_inverseOf,P1,P2) )
& ( ( ! [X,Y] :
( ( ~ iext(P2,Y,X)
| iext(P1,X,Y) )
& ( iext(P2,Y,X)
| ~ iext(P1,X,Y) ) )
& ip(P2)
& ip(P1) )
| ~ iext(uri_owl_inverseOf,P1,P2) ) ),
inference(NNF_transformation,[status(thm)],[f2]) ).
fof(f18,plain,
( ! [P1,P2] :
( ? [X,Y] :
( ( iext(P2,Y,X)
| iext(P1,X,Y) )
& ( ~ iext(P2,Y,X)
| ~ iext(P1,X,Y) ) )
| ~ ip(P2)
| ~ ip(P1)
| iext(uri_owl_inverseOf,P1,P2) )
& ! [P1,P2] :
( ( ! [X,Y] :
( ~ iext(P2,Y,X)
| iext(P1,X,Y) )
& ! [X,Y] :
( iext(P2,Y,X)
| ~ iext(P1,X,Y) )
& ip(P2)
& ip(P1) )
| ~ iext(uri_owl_inverseOf,P1,P2) ) ),
inference(miniscoping,[status(thm)],[f17]) ).
fof(f19,plain,
( ! [P1,P2] :
( ( ( iext(P2,sK4_skl(P2,P1),sK3_skl(P2,P1))
| iext(P1,sK3_skl(P2,P1),sK4_skl(P2,P1)) )
& ( ~ iext(P2,sK4_skl(P2,P1),sK3_skl(P2,P1))
| ~ iext(P1,sK3_skl(P2,P1),sK4_skl(P2,P1)) ) )
| ~ ip(P2)
| ~ ip(P1)
| iext(uri_owl_inverseOf,P1,P2) )
& ! [P1,P2] :
( ( ! [X,Y] :
( ~ iext(P2,Y,X)
| iext(P1,X,Y) )
& ! [X,Y] :
( iext(P2,Y,X)
| ~ iext(P1,X,Y) )
& ip(P2)
& ip(P1) )
| ~ iext(uri_owl_inverseOf,P1,P2) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK3_skl,sK4_skl]),skolemize(X,sK3_skl(P2,P1)),skolemize(Y,sK4_skl(P2,P1))],[f18]) ).
fof(f23,plain,
! [X0,X1,X2,X3] :
( ~ iext(X1,X3,X2)
| iext(X0,X2,X3)
| ~ iext(uri_owl_inverseOf,X0,X1) ),
inference(cnf_transformation,[status(thm)],[f19]) ).
fof(f26,plain,
( ~ iext(uri_ex_hasCousin,uri_ex_bob,uri_ex_alice)
| ~ iext(uri_ex_hasUncle,uri_ex_alice,uri_ex_charly) ),
inference(pre_NNF_transformation,[status(thm)],[f4]) ).
fof(f27,plain,
( ~ iext(uri_ex_hasCousin,uri_ex_bob,uri_ex_alice)
| ~ iext(uri_ex_hasUncle,uri_ex_alice,uri_ex_charly) ),
inference(cnf_transformation,[status(thm)],[f26]) ).
fof(f28,plain,
( iext(uri_ex_hasUncle,uri_ex_bob,uri_ex_dave)
& iext(uri_ex_hasFather,uri_ex_bob,uri_ex_charly)
& iext(uri_ex_hasCousin,uri_ex_alice,uri_ex_bob)
& iext(uri_ex_hasFather,uri_ex_alice,uri_ex_dave)
& ? [BNODE_l3] :
( iext(uri_owl_inverseOf,BNODE_l3,uri_ex_hasFather)
& ? [BNODE_l22] :
( iext(uri_rdf_rest,BNODE_l22,uri_rdf_nil)
& iext(uri_rdf_first,BNODE_l22,BNODE_l3)
& ? [BNODE_l21] :
( iext(uri_rdf_rest,BNODE_l21,BNODE_l22)
& iext(uri_rdf_first,BNODE_l21,uri_ex_hasUncle)
& iext(uri_owl_propertyChainAxiom,uri_ex_hasCousin,BNODE_l21)
& ? [BNODE_l12] :
( iext(uri_rdf_rest,BNODE_l12,uri_rdf_nil)
& iext(uri_rdf_first,BNODE_l12,uri_ex_hasFather)
& ? [BNODE_l11] :
( iext(uri_rdf_rest,BNODE_l11,BNODE_l12)
& iext(uri_rdf_first,BNODE_l11,uri_ex_hasCousin)
& iext(uri_owl_propertyChainAxiom,uri_ex_hasUncle,BNODE_l11) ) ) ) ) ) ),
inference(miniscoping,[status(thm)],[f5]) ).
fof(f29,plain,
( iext(uri_ex_hasUncle,uri_ex_bob,uri_ex_dave)
& iext(uri_ex_hasFather,uri_ex_bob,uri_ex_charly)
& iext(uri_ex_hasCousin,uri_ex_alice,uri_ex_bob)
& iext(uri_ex_hasFather,uri_ex_alice,uri_ex_dave)
& iext(uri_owl_inverseOf,sK5_skl,uri_ex_hasFather)
& iext(uri_rdf_rest,sK6_skl,uri_rdf_nil)
& iext(uri_rdf_first,sK6_skl,sK5_skl)
& iext(uri_rdf_rest,sK7_skl,sK6_skl)
& iext(uri_rdf_first,sK7_skl,uri_ex_hasUncle)
& iext(uri_owl_propertyChainAxiom,uri_ex_hasCousin,sK7_skl)
& iext(uri_rdf_rest,sK8_skl,uri_rdf_nil)
& iext(uri_rdf_first,sK8_skl,uri_ex_hasFather)
& iext(uri_rdf_rest,sK9_skl,sK8_skl)
& iext(uri_rdf_first,sK9_skl,uri_ex_hasCousin)
& iext(uri_owl_propertyChainAxiom,uri_ex_hasUncle,sK9_skl) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK5_skl,sK6_skl,sK7_skl,sK8_skl,sK9_skl]),skolemize(BNODE_l3,sK5_skl),skolemize(BNODE_l22,sK6_skl),skolemize(BNODE_l21,sK7_skl),skolemize(BNODE_l12,sK8_skl),skolemize(BNODE_l11,sK9_skl)],[f28]) ).
fof(f30,plain,
iext(uri_owl_propertyChainAxiom,uri_ex_hasUncle,sK9_skl),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f31,plain,
iext(uri_rdf_first,sK9_skl,uri_ex_hasCousin),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f32,plain,
iext(uri_rdf_rest,sK9_skl,sK8_skl),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f33,plain,
iext(uri_rdf_first,sK8_skl,uri_ex_hasFather),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f34,plain,
iext(uri_rdf_rest,sK8_skl,uri_rdf_nil),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f35,plain,
iext(uri_owl_propertyChainAxiom,uri_ex_hasCousin,sK7_skl),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f36,plain,
iext(uri_rdf_first,sK7_skl,uri_ex_hasUncle),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f37,plain,
iext(uri_rdf_rest,sK7_skl,sK6_skl),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f38,plain,
iext(uri_rdf_first,sK6_skl,sK5_skl),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f39,plain,
iext(uri_rdf_rest,sK6_skl,uri_rdf_nil),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f40,plain,
iext(uri_owl_inverseOf,sK5_skl,uri_ex_hasFather),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f41,plain,
iext(uri_ex_hasFather,uri_ex_alice,uri_ex_dave),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f42,plain,
iext(uri_ex_hasCousin,uri_ex_alice,uri_ex_bob),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f43,plain,
iext(uri_ex_hasFather,uri_ex_bob,uri_ex_charly),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f44,plain,
iext(uri_ex_hasUncle,uri_ex_bob,uri_ex_dave),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f45,definition,
( sQ0_spl
<=> iext(uri_ex_hasUncle,uri_ex_alice,uri_ex_charly) ),
introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition]) ).
fof(f47,plain,
( sQ0_spl
| ~ iext(uri_ex_hasUncle,uri_ex_alice,uri_ex_charly) ),
inference(component_clause,[status(thm)],[f45]) ).
fof(f48,definition,
( sQ1_spl
<=> iext(uri_ex_hasCousin,uri_ex_bob,uri_ex_alice) ),
introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition]) ).
fof(f50,plain,
( sQ1_spl
| ~ iext(uri_ex_hasCousin,uri_ex_bob,uri_ex_alice) ),
inference(component_clause,[status(thm)],[f48]) ).
fof(f51,plain,
( ~ sQ1_spl
| ~ sQ0_spl ),
inference(split_clause,[status(thm)],[f27,f45,f48]) ).
fof(f53,plain,
! [X0,X1] :
( ~ iext(uri_ex_hasFather,X1,X0)
| iext(sK5_skl,X0,X1) ),
inference(resolution,[status(thm)],[f23,f40]) ).
fof(f88,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( iext(X3,X4,X6)
| ~ iext(X2,X5,X6)
| ~ iext(X1,X4,X5)
| ~ iext(uri_owl_propertyChainAxiom,X3,X0)
| ~ iext(uri_rdf_first,sK6_skl,X2)
| ~ iext(uri_rdf_rest,X0,sK6_skl)
| ~ iext(uri_rdf_first,X0,X1) ),
inference(resolution,[status(thm)],[f13,f39]) ).
fof(f89,plain,
! [X0,X1,X2,X3,X4,X5,X6] :
( iext(X3,X4,X6)
| ~ iext(X2,X5,X6)
| ~ iext(X1,X4,X5)
| ~ iext(uri_owl_propertyChainAxiom,X3,X0)
| ~ iext(uri_rdf_first,sK8_skl,X2)
| ~ iext(uri_rdf_rest,X0,sK8_skl)
| ~ iext(uri_rdf_first,X0,X1) ),
inference(resolution,[status(thm)],[f13,f34]) ).
fof(f94,plain,
! [X0,X1,X2,X3,X4,X5] :
( iext(X2,X3,X5)
| ~ iext(X1,X4,X5)
| ~ iext(X0,X3,X4)
| ~ iext(uri_owl_propertyChainAxiom,X2,sK7_skl)
| ~ iext(uri_rdf_first,sK6_skl,X1)
| ~ iext(uri_rdf_first,sK7_skl,X0) ),
inference(resolution,[status(thm)],[f88,f37]) ).
fof(f95,plain,
! [X0,X1,X2,X3,X4] :
( iext(uri_ex_hasCousin,X2,X4)
| ~ iext(X1,X3,X4)
| ~ iext(X0,X2,X3)
| ~ iext(uri_rdf_first,sK6_skl,X1)
| ~ iext(uri_rdf_first,sK7_skl,X0) ),
inference(resolution,[status(thm)],[f94,f35]) ).
fof(f96,plain,
! [X0,X1,X2,X3] :
( iext(uri_ex_hasCousin,X1,X3)
| ~ iext(X0,X2,X3)
| ~ iext(uri_ex_hasUncle,X1,X2)
| ~ iext(uri_rdf_first,sK6_skl,X0) ),
inference(resolution,[status(thm)],[f95,f36]) ).
fof(f97,plain,
! [X0,X1,X2] :
( iext(uri_ex_hasCousin,X0,X2)
| ~ iext(sK5_skl,X1,X2)
| ~ iext(uri_ex_hasUncle,X0,X1) ),
inference(resolution,[status(thm)],[f96,f38]) ).
fof(f108,plain,
! [X0,X1,X2,X3,X4,X5] :
( iext(X2,X3,X5)
| ~ iext(X1,X4,X5)
| ~ iext(X0,X3,X4)
| ~ iext(uri_owl_propertyChainAxiom,X2,sK9_skl)
| ~ iext(uri_rdf_first,sK8_skl,X1)
| ~ iext(uri_rdf_first,sK9_skl,X0) ),
inference(resolution,[status(thm)],[f89,f32]) ).
fof(f109,plain,
! [X0,X1,X2,X3,X4] :
( iext(uri_ex_hasUncle,X2,X4)
| ~ iext(X1,X3,X4)
| ~ iext(X0,X2,X3)
| ~ iext(uri_rdf_first,sK8_skl,X1)
| ~ iext(uri_rdf_first,sK9_skl,X0) ),
inference(resolution,[status(thm)],[f108,f30]) ).
fof(f110,plain,
! [X0,X1,X2,X3] :
( iext(uri_ex_hasUncle,X1,X3)
| ~ iext(X0,X2,X3)
| ~ iext(uri_ex_hasCousin,X1,X2)
| ~ iext(uri_rdf_first,sK8_skl,X0) ),
inference(resolution,[status(thm)],[f109,f31]) ).
fof(f111,plain,
! [X0,X1,X2] :
( iext(uri_ex_hasUncle,X0,X2)
| ~ iext(uri_ex_hasFather,X1,X2)
| ~ iext(uri_ex_hasCousin,X0,X1) ),
inference(resolution,[status(thm)],[f110,f33]) ).
fof(f112,plain,
! [X0] :
( sQ0_spl
| ~ iext(uri_ex_hasFather,X0,uri_ex_charly)
| ~ iext(uri_ex_hasCousin,uri_ex_alice,X0) ),
inference(resolution,[status(thm)],[f111,f47]) ).
fof(f121,plain,
( sQ0_spl
| ~ iext(uri_ex_hasCousin,uri_ex_alice,uri_ex_bob) ),
inference(resolution,[status(thm)],[f112,f43]) ).
fof(f123,plain,
( sQ0_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f121,f42]) ).
fof(f124,plain,
sQ0_spl,
inference(contradiction_clause,[status(thm)],[f123]) ).
fof(f125,plain,
! [X0] :
( sQ1_spl
| ~ iext(sK5_skl,X0,uri_ex_alice)
| ~ iext(uri_ex_hasUncle,uri_ex_bob,X0) ),
inference(resolution,[status(thm)],[f50,f97]) ).
fof(f126,plain,
! [X0] :
( sQ1_spl
| ~ iext(uri_ex_hasFather,uri_ex_alice,X0)
| ~ iext(uri_ex_hasUncle,uri_ex_bob,X0) ),
inference(resolution,[status(thm)],[f125,f53]) ).
fof(f127,plain,
( sQ1_spl
| ~ iext(uri_ex_hasUncle,uri_ex_bob,uri_ex_dave) ),
inference(resolution,[status(thm)],[f126,f41]) ).
fof(f129,plain,
( sQ1_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f127,f44]) ).
fof(f130,plain,
sQ1_spl,
inference(contradiction_clause,[status(thm)],[f129]) ).
fof(f131,plain,
$false,
inference(sat_refutation,[status(thm)],[f51,f124,f130]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWB025+2 : TPTP v9.3.1. Released v5.2.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/5.37 % Computer : n002.cluster.edu
% 0.12/5.37 % Model : x86_64 x86_64
% 0.12/5.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/5.37 % Memory : 8046.5625MB
% 0.12/5.37 % OS : Linux 6.8.0-71-generic
% 0.12/5.37 % CPULimit : 300
% 0.12/5.37 % WCLimit : 300
% 0.12/5.37 % DateTime : Mon Sep 21 07:44:07 UTC 2026
% 0.12/5.37 % CPUTime :
% 0.12/5.38 % Drodi V4.1.1
% 0.16/5.41 % Refutation found
% 0.16/5.41 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.16/5.41 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.16/5.45 % Elapsed time: 0.060024 seconds
% 0.16/5.45 % CPU time: 0.258130 seconds
% 0.16/5.45 % Total memory used: 19.106 MB
% 0.16/5.45 % Net memory used: 18.734 MB
%------------------------------------------------------------------------------