%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : HWV018-2 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -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 12:46:42 PM UTC 2026
% Result : Unsatisfiable 0.08s 0.41s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : HWV018-2 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.03 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.36 % Computer : n018.cluster.edu
% 0.08/0.36 % Model : x86_64 x86_64
% 0.08/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.36 % Memory : 8046.5625MB
% 0.08/0.36 % OS : Linux 6.8.0-71-generic
% 0.08/0.36 % CPULimit : 300
% 0.08/0.36 % WCLimit : 300
% 0.08/0.36 % DateTime : Sun Sep 20 20:50:28 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.38 % Drodi V4.1.1
% 0.08/0.41 % Refutation found
% 0.08/0.41 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.08/0.41 % SZS output start CNFRefutation for theBenchmark
% 0.08/0.41 fof(f4,axiom,(
% 0.08/0.41 (![T_0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ))),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f5,axiom,(
% 0.08/0.41 (![T_1]: (( p__pred_(fwork_DOTfifo_DOTrtl_DOTfull_(T_1))| fwork_DOTfifo_DOTrtl_DOTint__level_(T_1) != fwork_DOTfifo_DOTrtl_DOTfifo__length_ ) ))),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f6,axiom,(
% 0.08/0.41 (![T_2]: (( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTfull_(T_2))| fwork_DOTfifo_DOTrtl_DOTint__level_(T_2) = fwork_DOTfifo_DOTrtl_DOTfifo__length_ ) ))),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f22,axiom,(
% 0.08/0.41 (![T_13]: (( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13)| ~ p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,fwork_DOTfifo_DOTrtl_DOTint__level_(T_13))| p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))| p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13)) ) ))),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f50,axiom,(
% 0.08/0.41 (![T_13]: (( fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(T_13,n1)) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_13)| p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))| p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))| p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13)) ) ))),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f74,axiom,(
% 0.08/0.41 (![X_106]: (p_LES_EQU_(X_106,X_106) ))),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f134,negated_conjecture,(
% 0.08/0.41 ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206)) ),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f135,negated_conjecture,(
% 0.08/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTfull_(t_206)) ),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f136,negated_conjecture,(
% 0.08/0.41 ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206)) ),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f138,negated_conjecture,(
% 0.08/0.41 ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTfull_(f_ADD_(t_206,n1))) ),
% 0.08/0.41 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.41 fof(f142,plain,(
% 0.08/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(X0)=fwork_DOTfifo_DOTrtl_DOTint__level_(X0))),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f4])).
% 0.08/0.41 fof(f143,plain,(
% 0.08/0.41 ![X0]: (p__pred_(fwork_DOTfifo_DOTrtl_DOTfull_(X0))|~fwork_DOTfifo_DOTrtl_DOTint__level_(X0)=fwork_DOTfifo_DOTrtl_DOTfifo__length_)),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f5])).
% 0.08/0.41 fof(f144,plain,(
% 0.08/0.41 ![X0]: (~p__pred_(fwork_DOTfifo_DOTrtl_DOTfull_(X0))|fwork_DOTfifo_DOTrtl_DOTint__level_(X0)=fwork_DOTfifo_DOTrtl_DOTfifo__length_)),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f6])).
% 0.08/0.41 fof(f164,plain,(
% 0.08/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTint__level_(X0)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,fwork_DOTfifo_DOTrtl_DOTint__level_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|~p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f22])).
% 0.08/0.41 fof(f200,plain,(
% 0.08/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTint__level_(X0)|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f50])).
% 0.08/0.41 fof(f227,plain,(
% 0.08/0.41 ![X0]: (p_LES_EQU_(X0,X0))),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f74])).
% 0.08/0.41 fof(f299,plain,(
% 0.08/0.41 ~p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f134])).
% 0.08/0.41 fof(f300,plain,(
% 0.08/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTfull_(t_206))),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f135])).
% 0.08/0.41 fof(f301,plain,(
% 0.08/0.41 ~p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f136])).
% 0.08/0.41 fof(f303,plain,(
% 0.08/0.41 ~p__pred_(fwork_DOTfifo_DOTrtl_DOTfull_(f_ADD_(t_206,n1)))),
% 0.08/0.41 inference(cnf_transformation,[status(thm)],[f138])).
% 0.08/0.41 fof(f309,plain,(
% 0.08/0.41 fwork_DOTfifo_DOTrtl_DOTint__level_(t_206)=fwork_DOTfifo_DOTrtl_DOTfifo__length_),
% 0.08/0.41 inference(resolution,[status(thm)],[f144,f300])).
% 0.08/0.41 fof(f320,plain,(
% 0.08/0.41 ![X0]: (p__pred_(fwork_DOTfifo_DOTrtl_DOTfull_(X0))|~fwork_DOTfifo_DOTrtl_DOTlevel_(X0)=fwork_DOTfifo_DOTrtl_DOTfifo__length_)),
% 0.08/0.41 inference(backward_demodulation,[status(thm)],[f142,f143])).
% 0.08/0.41 fof(f330,plain,(
% 0.08/0.41 fwork_DOTfifo_DOTrtl_DOTlevel_(t_206)=fwork_DOTfifo_DOTrtl_DOTfifo__length_),
% 0.08/0.41 inference(forward_demodulation,[status(thm)],[f142,f309])).
% 0.08/0.41 fof(f335,plain,(
% 0.08/0.41 ~fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1))=fwork_DOTfifo_DOTrtl_DOTfifo__length_),
% 0.08/0.41 inference(resolution,[status(thm)],[f320,f303])).
% 0.08/0.41 fof(f337,plain,(
% 0.08/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTint__level_(X0)|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.08/0.41 inference(forward_demodulation,[status(thm)],[f142,f200])).
% 0.08/0.41 fof(f339,plain,(
% 0.08/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTlevel_(X0)|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.08/0.41 inference(forward_demodulation,[status(thm)],[f142,f337])).
% 0.08/0.41 fof(f439,plain,(
% 0.08/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTint__level_(X0)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,fwork_DOTfifo_DOTrtl_DOTint__level_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|~p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.08/0.41 inference(forward_demodulation,[status(thm)],[f142,f164])).
% 0.08/0.41 fof(f440,plain,(
% 0.08/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTlevel_(X0)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,fwork_DOTfifo_DOTrtl_DOTint__level_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|~p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.08/0.41 inference(forward_demodulation,[status(thm)],[f142,f439])).
% 0.08/0.41 fof(f441,plain,(
% 0.08/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTlevel_(X0)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,fwork_DOTfifo_DOTrtl_DOTlevel_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|~p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.08/0.41 inference(forward_demodulation,[status(thm)],[f142,f440])).
% 0.08/0.41 fof(f442,plain,(
% 0.08/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTlevel_(X0)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,fwork_DOTfifo_DOTrtl_DOTlevel_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.08/0.41 inference(forward_subsumption_resolution,[status(thm)],[f441,f339])).
% 0.08/0.41 fof(f443,plain,(
% 0.08/0.41 fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1))=fwork_DOTfifo_DOTrtl_DOTlevel_(t_206)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,fwork_DOTfifo_DOTrtl_DOTfifo__length_)|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.08/0.41 inference(paramodulation,[status(thm)],[f330,f442])).
% 0.08/0.41 fof(f444,plain,(
% 0.08/0.41 fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1))=fwork_DOTfifo_DOTrtl_DOTfifo__length_|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,fwork_DOTfifo_DOTrtl_DOTfifo__length_)|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.08/0.41 inference(forward_demodulation,[status(thm)],[f330,f443])).
% 0.08/0.41 fof(f445,plain,(
% 0.08/0.41 ~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTfifo__length_,fwork_DOTfifo_DOTrtl_DOTfifo__length_)|p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.08/0.41 inference(forward_subsumption_resolution,[status(thm)],[f444,f335])).
% 0.08/0.41 fof(f462,plain,(
% 0.08/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.08/0.41 inference(forward_subsumption_resolution,[status(thm)],[f445,f227])).
% 0.08/0.41 fof(f463,plain,(
% 0.08/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.08/0.41 inference(resolution,[status(thm)],[f462,f299])).
% 0.08/0.41 fof(f467,plain,(
% 0.08/0.41 $false),
% 0.08/0.41 inference(forward_subsumption_resolution,[status(thm)],[f463,f301])).
% 0.08/0.41 % SZS output end CNFRefutation for theBenchmark.p
% 0.08/0.43 % Elapsed time: 0.060831 seconds
% 0.08/0.43 % CPU time: 0.184211 seconds
% 0.08/0.43 % Total memory used: 89.974 MB
% 0.08/0.43 % Net memory used: 89.847 MB
%------------------------------------------------------------------------------