%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : KRS004-1 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n018.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 12:59:32 PM UTC 2026
% Result : Unsatisfiable 0.08s 0.59s
% Output : CNFRefutation 0.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 8 ( 4 unt; 0 def)
% Number of atoms : 12 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 11 ( 7 ~; 4 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-1 aty)
% Number of functors : 1 ( 1 usr; 1 con; 0-0 aty)
% Number of variables : 5 ( 5 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,negated_conjecture,
c(exist),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f2,axiom,
! [X1] :
( ~ c(X1)
| d(X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f3,axiom,
! [X1] :
( ~ d(X1)
| ~ c(X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f5,plain,
c(exist),
inference(cnf_transformation,[status(thm)],[f1]) ).
fof(f6,plain,
! [X0] :
( ~ c(X0)
| d(X0) ),
inference(cnf_transformation,[status(thm)],[f2]) ).
fof(f7,plain,
! [X0] :
( ~ d(X0)
| ~ c(X0) ),
inference(cnf_transformation,[status(thm)],[f3]) ).
fof(f10,plain,
! [X0] : ~ c(X0),
inference(forward_subsumption_resolution,[status(thm)],[f7,f6]) ).
fof(f11,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[f5,f10]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : KRS004-1 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.56 % Computer : n018.cluster.edu
% 0.08/0.56 % Model : x86_64 x86_64
% 0.08/0.56 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.56 % Memory : 8046.5625MB
% 0.08/0.56 % OS : Linux 6.8.0-71-generic
% 0.08/0.56 % CPULimit : 300
% 0.08/0.56 % WCLimit : 300
% 0.08/0.56 % DateTime : Sun Sep 20 22:51:59 UTC 2026
% 0.08/0.57 % CPUTime :
% 0.08/0.57 % Drodi V4.1.1
% 0.08/0.59 % Refutation found
% 0.08/0.59 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.08/0.59 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.08/0.61 % Elapsed time: 0.037913 seconds
% 0.08/0.61 % CPU time: 0.099024 seconds
% 0.08/0.61 % Total memory used: 29.304 MB
% 0.08/0.61 % Net memory used: 28.972 MB
%------------------------------------------------------------------------------