%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SWC207-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n017.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 02:41:52 PM UTC 2026
% Result : Unsatisfiable 0.09s 0.61s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC207-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.56 % Computer : n017.cluster.edu
% 0.09/0.56 % Model : x86_64 x86_64
% 0.09/0.56 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.56 % Memory : 8046.5625MB
% 0.09/0.56 % OS : Linux 6.8.0-71-generic
% 0.09/0.56 % CPULimit : 300
% 0.09/0.56 % WCLimit : 300
% 0.09/0.56 % DateTime : Mon Sep 21 08:00:12 UTC 2026
% 0.09/0.56 % CPUTime :
% 0.09/0.58 % Drodi V4.1.1
% 0.09/0.61 % Refutation found
% 0.09/0.61 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.09/0.61 % SZS output start CNFRefutation for theBenchmark
% 0.09/0.61 fof(f8,axiom,(
% 0.09/0.61 ssList(nil) ),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f99,axiom,(
% 0.09/0.61 (![U,V]: (( cons(U,V) != V| ~ ssItem(U)| ~ ssList(V) ) ))),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f100,axiom,(
% 0.09/0.61 (![U,V]: (( ~ ssList(U)| ~ ssList(V)| neq(V,U)| V = U ) ))),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f186,negated_conjecture,(
% 0.09/0.61 ssList(sk1) ),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f190,negated_conjecture,(
% 0.09/0.61 sk2 = sk4 ),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f191,negated_conjecture,(
% 0.09/0.61 sk1 = sk3 ),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f192,negated_conjecture,(
% 0.09/0.61 neq(sk2,nil) ),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f193,negated_conjecture,(
% 0.09/0.61 ~ neq(sk1,nil) ),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f194,negated_conjecture,(
% 0.09/0.61 ( ssItem(sk5)| nil = sk4 ) ),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f196,negated_conjecture,(
% 0.09/0.61 ( cons(sk5,nil) = sk3| nil = sk4 ) ),
% 0.09/0.61 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.09/0.61 fof(f209,plain,(
% 0.09/0.61 ssList(nil)),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f8])).
% 0.09/0.61 fof(f302,plain,(
% 0.09/0.61 ![V]: ((![U]: (~cons(U,V)=V|~ssItem(U)))|~ssList(V))),
% 0.09/0.61 inference(miniscoping,[status(thm)],[f99])).
% 0.09/0.61 fof(f303,plain,(
% 0.09/0.61 ![X0,X1]: (~cons(X0,X1)=X1|~ssItem(X0)|~ssList(X1))),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f302])).
% 0.09/0.61 fof(f304,plain,(
% 0.09/0.61 ![X0,X1]: (~ssList(X0)|~ssList(X1)|neq(X1,X0)|X1=X0)),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f100])).
% 0.09/0.61 fof(f432,plain,(
% 0.09/0.61 ssList(sk1)),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f186])).
% 0.09/0.61 fof(f436,plain,(
% 0.09/0.61 sk2=sk4),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f190])).
% 0.09/0.61 fof(f437,plain,(
% 0.09/0.61 sk1=sk3),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f191])).
% 0.09/0.61 fof(f438,plain,(
% 0.09/0.61 neq(sk2,nil)),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f192])).
% 0.09/0.61 fof(f439,plain,(
% 0.09/0.61 ~neq(sk1,nil)),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f193])).
% 0.09/0.61 fof(f440,plain,(
% 0.09/0.61 ssItem(sk5)|nil=sk4),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f194])).
% 0.09/0.61 fof(f442,plain,(
% 0.09/0.61 cons(sk5,nil)=sk3|nil=sk4),
% 0.09/0.61 inference(cnf_transformation,[status(thm)],[f196])).
% 0.09/0.61 fof(f489,plain,(
% 0.09/0.61 ~ssList(nil)|~ssList(sk1)|sk1=nil),
% 0.09/0.61 inference(resolution,[status(thm)],[f304,f439])).
% 0.09/0.61 fof(f490,plain,(
% 0.09/0.61 ~ssList(sk1)|sk1=nil),
% 0.09/0.61 inference(forward_subsumption_resolution,[status(thm)],[f489,f209])).
% 0.09/0.61 fof(f506,plain,(
% 0.09/0.61 ssItem(sk5)|nil=sk2),
% 0.09/0.61 inference(forward_demodulation,[status(thm)],[f436,f440])).
% 0.09/0.61 fof(f507,plain,(
% 0.09/0.61 ![X0]: (nil=sk2|~cons(sk5,X0)=X0|~ssList(X0))),
% 0.09/0.61 inference(resolution,[status(thm)],[f506,f303])).
% 0.09/0.61 fof(f516,plain,(
% 0.09/0.61 cons(sk5,nil)=sk1|nil=sk4),
% 0.09/0.61 inference(forward_demodulation,[status(thm)],[f437,f442])).
% 0.09/0.61 fof(f517,plain,(
% 0.09/0.61 cons(sk5,nil)=sk1|nil=sk2),
% 0.09/0.61 inference(forward_demodulation,[status(thm)],[f436,f516])).
% 0.09/0.61 fof(f537,plain,(
% 0.09/0.61 cons(sk5,nil)=nil|nil=sk2),
% 0.09/0.61 inference(backward_demodulation,[status(thm)],[f542,f517])).
% 0.09/0.61 fof(f539,plain,(
% 0.09/0.61 ~neq(nil,nil)),
% 0.09/0.61 inference(backward_demodulation,[status(thm)],[f542,f439])).
% 0.09/0.61 fof(f542,plain,(
% 0.09/0.61 sk1=nil),
% 0.09/0.61 inference(forward_subsumption_resolution,[status(thm)],[f490,f432])).
% 0.09/0.61 fof(f766,plain,(
% 0.09/0.61 nil=sk2|~cons(sk5,nil)=nil),
% 0.09/0.61 inference(resolution,[status(thm)],[f507,f209])).
% 0.09/0.61 fof(f768,plain,(
% 0.09/0.61 nil=sk2),
% 0.09/0.61 inference(forward_subsumption_resolution,[status(thm)],[f766,f537])).
% 0.09/0.61 fof(f776,plain,(
% 0.09/0.61 neq(nil,nil)),
% 0.09/0.61 inference(backward_demodulation,[status(thm)],[f768,f438])).
% 0.09/0.61 fof(f779,plain,(
% 0.09/0.61 $false),
% 0.09/0.61 inference(forward_subsumption_resolution,[status(thm)],[f776,f539])).
% 0.09/0.61 % SZS output end CNFRefutation for theBenchmark.p
% 0.14/0.64 % Elapsed time: 0.065151 seconds
% 0.14/0.64 % CPU time: 0.197702 seconds
% 0.14/0.64 % Total memory used: 109.658 MB
% 0.14/0.64 % Net memory used: 109.491 MB
%------------------------------------------------------------------------------