%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : RNG074+2 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n019.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 02:04:52 PM UTC 2026
% Result : Theorem 0.13s 5.46s
% Output : CNFRefutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 9 ( 9 unt; 0 def)
% Number of atoms : 9 ( 2 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 3 ( 3 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 2 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 3 con; 0-2 aty)
% Number of variables : 0 ( 0 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f60,hypothesis,
~ sdtlseqdt0(sdtpldt0(xP,xP),sdtpldt0(xR,xS)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f61,hypothesis,
sdtlseqdt0(sdtpldt0(xR,xS),sdtpldt0(xP,xP)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f64,hypothesis,
sdtpldt0(xR,xS) = sdtpldt0(xP,xP),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f209,plain,
~ sdtlseqdt0(sdtpldt0(xP,xP),sdtpldt0(xR,xS)),
inference(cnf_transformation,[status(thm)],[f60]) ).
fof(f210,plain,
sdtlseqdt0(sdtpldt0(xR,xS),sdtpldt0(xP,xP)),
inference(cnf_transformation,[status(thm)],[f61]) ).
fof(f214,plain,
sdtpldt0(xR,xS) = sdtpldt0(xP,xP),
inference(cnf_transformation,[status(thm)],[f64]) ).
fof(f237,plain,
sdtlseqdt0(sdtpldt0(xP,xP),sdtpldt0(xP,xP)),
inference(backward_demodulation,[status(thm)],[f214,f210]) ).
fof(f238,plain,
~ sdtlseqdt0(sdtpldt0(xP,xP),sdtpldt0(xP,xP)),
inference(backward_demodulation,[status(thm)],[f214,f209]) ).
fof(f256,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f238,f237]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : RNG074+2 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/5.40 % Computer : n019.cluster.edu
% 0.13/5.40 % Model : x86_64 x86_64
% 0.13/5.40 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/5.40 % Memory : 8046.5625MB
% 0.13/5.40 % OS : Linux 6.8.0-71-generic
% 0.13/5.40 % CPULimit : 300
% 0.13/5.40 % WCLimit : 300
% 0.13/5.40 % DateTime : Mon Sep 21 04:17:59 UTC 2026
% 0.13/5.41 % CPUTime :
% 0.13/5.42 % Drodi V4.1.1
% 0.13/5.46 % Refutation found
% 0.13/5.46 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.13/5.46 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.18/5.50 % Elapsed time: 0.073857 seconds
% 0.18/5.50 % CPU time: 0.208743 seconds
% 0.18/5.50 % Total memory used: 86.101 MB
% 0.18/5.50 % Net memory used: 86.046 MB
%------------------------------------------------------------------------------