%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : ROB030-1 : TPTP v9.3.1. Released v3.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n004.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 02:06:34 PM UTC 2026
% Result : Unsatisfiable 0.15s 10.40s
% Output : CNFRefutation 0.15s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 2
% Syntax : Number of formulae : 6 ( 6 unt; 0 def)
% Number of atoms : 6 ( 5 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 3 ( 3 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 3 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 4 ( 4 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f4,hypothesis,
add(c,d) = d,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f5,negated_conjecture,
! [A,B] : negate(add(A,B)) != negate(B),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f9,plain,
add(c,d) = d,
inference(cnf_transformation,[status(thm)],[f4]) ).
fof(f10,plain,
! [X0,X1] : negate(add(X0,X1)) != negate(X1),
inference(cnf_transformation,[status(thm)],[f5]) ).
fof(f13,plain,
negate(d) != negate(d),
inference(paramodulation,[status(thm)],[f9,f10]) ).
fof(f16,plain,
$false,
inference(equality_resolution,[status(thm)],[f13]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ROB030-1 : TPTP v9.3.1. Released v3.1.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/10.38 % Computer : n004.cluster.edu
% 0.10/10.38 % Model : x86_64 x86_64
% 0.10/10.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/10.38 % Memory : 8046.5625MB
% 0.10/10.38 % OS : Linux 6.8.0-71-generic
% 0.10/10.38 % CPULimit : 300
% 0.10/10.38 % WCLimit : 300
% 0.10/10.38 % DateTime : Mon Sep 21 04:24:31 UTC 2026
% 0.10/10.38 % CPUTime :
% 0.10/10.39 % Drodi V4.1.1
% 0.15/10.40 % Refutation found
% 0.15/10.40 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.15/10.40 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.15/10.42 % Elapsed time: 0.025615 seconds
% 0.15/10.42 % CPU time: 0.050681 seconds
% 0.15/10.42 % Total memory used: 1.678 MB
% 0.15/10.42 % Net memory used: 1.635 MB
%------------------------------------------------------------------------------