%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : SWC040-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n012.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 02:39:42 PM UTC 2026
% Result : Unsatisfiable 0.04s 15.36s
% Output : CNFRefutation 0.04s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 5
% Syntax : Number of formulae : 17 ( 11 unt; 0 def)
% Number of atoms : 23 ( 22 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 15 ( 9 ~; 6 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 3 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 5 con; 0-0 aty)
% Number of variables : 0 ( 0 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f190,negated_conjecture,
nil = sk2,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f191,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f192,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f193,negated_conjecture,
nil != sk1,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f194,negated_conjecture,
( nil != sk4
| nil = sk3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f433,plain,
nil = sk2,
inference(cnf_transformation,[status(thm)],[f190]) ).
fof(f434,plain,
sk2 = sk4,
inference(cnf_transformation,[status(thm)],[f191]) ).
fof(f435,plain,
sk1 = sk3,
inference(cnf_transformation,[status(thm)],[f192]) ).
fof(f436,plain,
nil != sk1,
inference(cnf_transformation,[status(thm)],[f193]) ).
fof(f437,plain,
( nil != sk4
| nil = sk3 ),
inference(cnf_transformation,[status(thm)],[f194]) ).
fof(f489,plain,
sk2 != sk1,
inference(forward_demodulation,[status(thm)],[f433,f436]) ).
fof(f490,plain,
( nil != sk4
| sk2 = sk3 ),
inference(forward_demodulation,[status(thm)],[f433,f437]) ).
fof(f491,plain,
( nil != sk4
| sk2 = sk1 ),
inference(forward_demodulation,[status(thm)],[f435,f490]) ).
fof(f492,plain,
( sk2 != sk4
| sk2 = sk1 ),
inference(forward_demodulation,[status(thm)],[f433,f491]) ).
fof(f493,plain,
( sk2 != sk2
| sk2 = sk1 ),
inference(forward_demodulation,[status(thm)],[f434,f492]) ).
fof(f494,plain,
sk2 = sk1,
inference(trivial_equality_resolution,[status(thm)],[f493]) ).
fof(f495,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f494,f489]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : SWC040-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.02 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.04/15.33 % Computer : n012.cluster.edu
% 0.04/15.33 % Model : x86_64 x86_64
% 0.04/15.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.04/15.33 % Memory : 8046.5625MB
% 0.04/15.33 % OS : Linux 6.8.0-71-generic
% 0.04/15.33 % CPULimit : 300
% 0.04/15.33 % WCLimit : 300
% 0.04/15.33 % DateTime : Mon Sep 21 07:51:09 UTC 2026
% 0.04/15.33 % CPUTime :
% 0.04/15.34 % Drodi V4.1.1
% 0.04/15.36 % Refutation found
% 0.04/15.36 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.04/15.36 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.04/15.38 % Elapsed time: 0.042688 seconds
% 0.04/15.38 % CPU time: 0.116214 seconds
% 0.04/15.38 % Total memory used: 108.614 MB
% 0.04/15.38 % Net memory used: 108.475 MB
%------------------------------------------------------------------------------