%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : CSR118+4 : TPTP v9.3.1. Bugfixed v7.3.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 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 : Thu Sep 24 12:14:15 PM UTC 2026
% Result : Theorem 151.80s 20.05s
% Output : CNFRefutation 119.93s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 7
% Syntax : Number of formulae : 28 ( 15 unt; 0 def)
% Number of atoms : 58 ( 0 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 61 ( 31 ~; 23 |; 4 &)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 4 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 29 ( 29 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f26,axiom,
! [V__X,V__Y] :
( s__subclass(V__X,V__Y)
=> ( s__instance(V__Y,s__SetOrClass)
& s__instance(V__X,s__SetOrClass) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f27,axiom,
! [V__X,V__Y,V__Z] :
( ( s__instance(V__X,s__SetOrClass)
& s__instance(V__Y,s__SetOrClass) )
=> ( ( s__instance(V__Z,V__X)
& s__subclass(V__X,V__Y) )
=> s__instance(V__Z,V__Y) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f5999,axiom,
s__subclass(s__Primate,s__Mammal),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6009,axiom,
s__subclass(s__Hominid,s__Primate),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6012,axiom,
s__subclass(s__Human,s__Hominid),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7218,axiom,
s__instance(s__AbrahamLincoln,s__Human),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7219,conjecture,
s__instance(s__AbrahamLincoln,s__Mammal),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7220,negated_conjecture,
~ s__instance(s__AbrahamLincoln,s__Mammal),
inference(negated_conjecture,[status(cth)],[f7219]) ).
fof(f7260,plain,
! [V__X,V__Y] :
( ( s__instance(V__Y,s__SetOrClass)
& s__instance(V__X,s__SetOrClass) )
| ~ s__subclass(V__X,V__Y) ),
inference(pre_NNF_transformation,[status(thm)],[f26]) ).
fof(f7261,plain,
! [X0,X1] :
( ~ s__subclass(X0,X1)
| s__instance(X0,s__SetOrClass) ),
inference(cnf_transformation,[status(thm)],[f7260]) ).
fof(f7262,plain,
! [X0,X1] :
( ~ s__subclass(X1,X0)
| s__instance(X0,s__SetOrClass) ),
inference(cnf_transformation,[status(thm)],[f7260]) ).
fof(f7263,plain,
! [V__X,V__Y,V__Z] :
( s__instance(V__Z,V__Y)
| ~ s__instance(V__Z,V__X)
| ~ s__subclass(V__X,V__Y)
| ~ s__instance(V__X,s__SetOrClass)
| ~ s__instance(V__Y,s__SetOrClass) ),
inference(pre_NNF_transformation,[status(thm)],[f27]) ).
fof(f7264,plain,
! [V__X,V__Y] :
( ! [V__Z] :
( s__instance(V__Z,V__Y)
| ~ s__instance(V__Z,V__X)
| ~ s__subclass(V__X,V__Y) )
| ~ s__instance(V__X,s__SetOrClass)
| ~ s__instance(V__Y,s__SetOrClass) ),
inference(miniscoping,[status(thm)],[f7263]) ).
fof(f7265,plain,
! [X0,X1,X2] :
( s__instance(X2,X0)
| ~ s__instance(X2,X1)
| ~ s__subclass(X1,X0)
| ~ s__instance(X1,s__SetOrClass)
| ~ s__instance(X0,s__SetOrClass) ),
inference(cnf_transformation,[status(thm)],[f7264]) ).
fof(f17491,plain,
s__subclass(s__Primate,s__Mammal),
inference(cnf_transformation,[status(thm)],[f5999]) ).
fof(f17501,plain,
s__subclass(s__Hominid,s__Primate),
inference(cnf_transformation,[status(thm)],[f6009]) ).
fof(f17504,plain,
s__subclass(s__Human,s__Hominid),
inference(cnf_transformation,[status(thm)],[f6012]) ).
fof(f19220,plain,
s__instance(s__AbrahamLincoln,s__Human),
inference(cnf_transformation,[status(thm)],[f7218]) ).
fof(f19221,plain,
~ s__instance(s__AbrahamLincoln,s__Mammal),
inference(cnf_transformation,[status(thm)],[f7220]) ).
fof(f19568,plain,
! [X0,X1,X2] :
( ~ s__instance(X0,s__SetOrClass)
| ~ s__instance(X2,X0)
| s__instance(X2,X1)
| ~ s__subclass(X0,X1) ),
inference(forward_subsumption_resolution,[status(thm)],[f7265,f7262]) ).
fof(f19571,plain,
! [X0,X1,X2] :
( s__instance(X2,X1)
| ~ s__instance(X2,X0)
| ~ s__subclass(X0,X1) ),
inference(backward_subsumption_resolution,[status(thm)],[f19568,f7261]) ).
fof(f20852,plain,
! [X0] :
( ~ s__subclass(X0,s__Mammal)
| ~ s__instance(s__AbrahamLincoln,X0) ),
inference(resolution,[status(thm)],[f19571,f19221]) ).
fof(f20958,plain,
~ s__instance(s__AbrahamLincoln,s__Primate),
inference(resolution,[status(thm)],[f17491,f20852]) ).
fof(f20959,plain,
! [X0] :
( ~ s__subclass(X0,s__Primate)
| ~ s__instance(s__AbrahamLincoln,X0) ),
inference(resolution,[status(thm)],[f20958,f19571]) ).
fof(f21068,plain,
~ s__instance(s__AbrahamLincoln,s__Hominid),
inference(resolution,[status(thm)],[f17501,f20959]) ).
fof(f21069,plain,
! [X0] :
( ~ s__instance(s__AbrahamLincoln,X0)
| ~ s__subclass(X0,s__Hominid) ),
inference(resolution,[status(thm)],[f21068,f19571]) ).
fof(f21070,plain,
~ s__instance(s__AbrahamLincoln,s__Human),
inference(resolution,[status(thm)],[f21069,f17504]) ).
fof(f21071,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f21070,f19220]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CSR118+4 : TPTP v9.3.1. Bugfixed v7.3.0.
% 0.00/0.05 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.15/0.41 % Computer : n015.cluster.edu
% 0.15/0.41 % Model : x86_64 x86_64
% 0.15/0.41 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.41 % Memory : 8046.5625MB
% 0.15/0.41 % OS : Linux 6.8.0-71-generic
% 0.15/0.41 % CPULimit : 300
% 0.15/0.41 % WCLimit : 300
% 0.15/0.41 % DateTime : Mon Sep 21 15:13:53 UTC 2026
% 0.15/0.41 % CPUTime :
% 0.57/0.85 % Drodi V4.1.1
% 151.80/20.05 % Refutation found
% 151.80/20.05 % SZS status Theorem for theBenchmark: Theorem is valid
% 151.80/20.05 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 119.93/20.18 % Elapsed time: 19.747256 seconds
% 119.93/20.18 % CPU time: 153.239493 seconds
% 119.93/20.18 % Total memory used: 940.401 MB
% 119.93/20.18 % Net memory used: 914.477 MB
%------------------------------------------------------------------------------