%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : HWV020-2 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/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 12:46:42 PM UTC 2026
% Result : Unsatisfiable 0.13s 0.41s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : HWV020-2 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n019.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Sun Sep 20 20:48:35 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.38 % Drodi V4.1.1
% 0.13/0.41 % Refutation found
% 0.13/0.41 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.41 % SZS output start CNFRefutation for theBenchmark
% 0.13/0.41 fof(f4,axiom,(
% 0.13/0.41 (![T_0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(T_0) = fwork_DOTfifo_DOTrtl_DOTint__level_(T_0) ))),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f7,axiom,(
% 0.13/0.41 (![T_3]: (( p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(T_3))| fwork_DOTfifo_DOTrtl_DOTint__level_(T_3) != n0 ) ))),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f8,axiom,(
% 0.13/0.41 (![T_4]: (( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(T_4))| fwork_DOTfifo_DOTrtl_DOTint__level_(T_4) = n0 ) ))),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f46,axiom,(
% 0.13/0.41 (![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_DOTint__level_(T_13),n0)| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(T_13))| p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(T_13))| p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(T_13)) ) ))),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f74,axiom,(
% 0.13/0.41 (![X_106]: (p_LES_EQU_(X_106,X_106) ))),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f134,negated_conjecture,(
% 0.13/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206)) ),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f135,negated_conjecture,(
% 0.13/0.41 ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206)) ),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f136,negated_conjecture,(
% 0.13/0.41 ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206)) ),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f137,negated_conjecture,(
% 0.13/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(t_206)) ),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f138,negated_conjecture,(
% 0.13/0.41 ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(f_ADD_(t_206,n1))) ),
% 0.13/0.41 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.41 fof(f142,plain,(
% 0.13/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(X0)=fwork_DOTfifo_DOTrtl_DOTint__level_(X0))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f4])).
% 0.13/0.41 fof(f145,plain,(
% 0.13/0.41 ![X0]: (p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(X0))|~fwork_DOTfifo_DOTrtl_DOTint__level_(X0)=n0)),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f7])).
% 0.13/0.41 fof(f146,plain,(
% 0.13/0.41 ![X0]: (~p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(X0))|fwork_DOTfifo_DOTrtl_DOTint__level_(X0)=n0)),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f8])).
% 0.13/0.41 fof(f195,plain,(
% 0.13/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTint__level_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTint__level_(X0)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0)|~p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f46])).
% 0.13/0.41 fof(f227,plain,(
% 0.13/0.41 ![X0]: (p_LES_EQU_(X0,X0))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f74])).
% 0.13/0.41 fof(f299,plain,(
% 0.13/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f134])).
% 0.13/0.41 fof(f300,plain,(
% 0.13/0.41 ~p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f135])).
% 0.13/0.41 fof(f301,plain,(
% 0.13/0.41 ~p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f136])).
% 0.13/0.41 fof(f302,plain,(
% 0.13/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(t_206))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f137])).
% 0.13/0.41 fof(f303,plain,(
% 0.13/0.41 ~p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(f_ADD_(t_206,n1)))),
% 0.13/0.41 inference(cnf_transformation,[status(thm)],[f138])).
% 0.13/0.41 fof(f309,plain,(
% 0.13/0.41 fwork_DOTfifo_DOTrtl_DOTint__level_(t_206)=n0),
% 0.13/0.41 inference(resolution,[status(thm)],[f146,f302])).
% 0.13/0.41 fof(f320,plain,(
% 0.13/0.41 ![X0]: (p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(X0))|~fwork_DOTfifo_DOTrtl_DOTlevel_(X0)=n0)),
% 0.13/0.41 inference(backward_demodulation,[status(thm)],[f142,f145])).
% 0.13/0.41 fof(f330,plain,(
% 0.13/0.41 fwork_DOTfifo_DOTrtl_DOTlevel_(t_206)=n0),
% 0.13/0.41 inference(forward_demodulation,[status(thm)],[f142,f309])).
% 0.13/0.41 fof(f331,plain,(
% 0.13/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTint__level_(X0)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0)|~p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.13/0.41 inference(forward_demodulation,[status(thm)],[f142,f195])).
% 0.13/0.41 fof(f332,plain,(
% 0.13/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTlevel_(X0)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0)|~p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.13/0.41 inference(forward_demodulation,[status(thm)],[f142,f331])).
% 0.13/0.41 fof(f333,plain,(
% 0.13/0.41 ![X0]: (fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(X0,n1))=fwork_DOTfifo_DOTrtl_DOTlevel_(X0)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(X0),n0)|~p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0)))),
% 0.13/0.41 inference(forward_demodulation,[status(thm)],[f142,f332])).
% 0.13/0.41 fof(f334,plain,(
% 0.13/0.41 fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1))=fwork_DOTfifo_DOTrtl_DOTlevel_(t_206)|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),n0)|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.13/0.41 inference(resolution,[status(thm)],[f333,f299])).
% 0.13/0.41 fof(f335,plain,(
% 0.13/0.41 fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1))=n0|~p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTlevel_(t_206),n0)|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.13/0.41 inference(forward_demodulation,[status(thm)],[f330,f334])).
% 0.13/0.41 fof(f336,plain,(
% 0.13/0.41 fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1))=n0|~p_LES_EQU_(n0,n0)|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.13/0.41 inference(forward_demodulation,[status(thm)],[f330,f335])).
% 0.13/0.41 fof(f337,plain,(
% 0.13/0.41 fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1))=n0|p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.13/0.41 inference(forward_subsumption_resolution,[status(thm)],[f336,f227])).
% 0.13/0.41 fof(f339,plain,(
% 0.13/0.41 ~fwork_DOTfifo_DOTrtl_DOTlevel_(f_ADD_(t_206,n1))=n0),
% 0.13/0.41 inference(resolution,[status(thm)],[f320,f303])).
% 0.13/0.41 fof(f358,plain,(
% 0.13/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(t_206))|p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.13/0.41 inference(forward_subsumption_resolution,[status(thm)],[f337,f339])).
% 0.13/0.41 fof(f359,plain,(
% 0.13/0.41 p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(t_206))),
% 0.13/0.41 inference(resolution,[status(thm)],[f358,f300])).
% 0.13/0.41 fof(f360,plain,(
% 0.13/0.41 $false),
% 0.13/0.41 inference(forward_subsumption_resolution,[status(thm)],[f359,f301])).
% 0.13/0.41 % SZS output end CNFRefutation for theBenchmark.p
% 0.13/0.44 % Elapsed time: 0.068283 seconds
% 0.13/0.44 % CPU time: 0.172713 seconds
% 0.13/0.44 % Total memory used: 109.797 MB
% 0.13/0.44 % Net memory used: 109.730 MB
%------------------------------------------------------------------------------