%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET075-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n005.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 02:11:27 PM UTC 2026
% Result : Unsatisfiable 0.14s 0.42s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET075-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n005.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 : Mon Sep 21 04:50:03 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.37 % Drodi V4.1.1
% 0.14/0.42 % Refutation found
% 0.14/0.42 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.14/0.42 % SZS output start CNFRefutation for theBenchmark
% 0.14/0.42 fof(f1,axiom,(
% 0.14/0.42 (![X,Y,U]: (( ~ subclass(X,Y)| ~ member(U,X)| member(U,Y) ) ))),
% 0.14/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.42 fof(f4,axiom,(
% 0.14/0.42 (![X]: (subclass(X,universal_class) ))),
% 0.14/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.42 fof(f8,axiom,(
% 0.14/0.42 (![U,X,Y]: (( ~ member(U,unordered_pair(X,Y))| U = X| U = Y ) ))),
% 0.14/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.42 fof(f9,axiom,(
% 0.14/0.42 (![X,Y]: (( ~ member(X,universal_class)| member(X,unordered_pair(X,Y)) ) ))),
% 0.14/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.42 fof(f10,axiom,(
% 0.14/0.42 (![Y,X]: (( ~ member(Y,universal_class)| member(Y,unordered_pair(X,Y)) ) ))),
% 0.14/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.42 fof(f11,axiom,(
% 0.14/0.42 (![X,Y]: (member(unordered_pair(X,Y),universal_class) ))),
% 0.14/0.42 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.42 fof(f12,axiom,(
% 0.14/0.42 (![X]: (unordered_pair(X,X) = singleton(X) ))),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f14,axiom,(
% 0.14/0.43 (![U,V,X,Y]: (( ~ member(ordered_pair(U,V),cross_product(X,Y))| member(U,X) ) ))),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f15,axiom,(
% 0.14/0.43 (![U,V,X,Y]: (( ~ member(ordered_pair(U,V),cross_product(X,Y))| member(V,Y) ) ))),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f21,axiom,(
% 0.14/0.43 (![Z,X,Y]: (( ~ member(Z,intersection(X,Y))| member(Z,X) ) ))),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f22,axiom,(
% 0.14/0.43 (![Z,X,Y]: (( ~ member(Z,intersection(X,Y))| member(Z,Y) ) ))),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f24,axiom,(
% 0.14/0.43 (![Z,X]: (( ~ member(Z,complement(X))| ~ member(Z,X) ) ))),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f66,axiom,(
% 0.14/0.43 (![X]: (( X = null_class| member(regular(X),X) ) ))),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f67,axiom,(
% 0.14/0.43 (![X]: (( X = null_class| intersection(X,regular(X)) = null_class ) ))),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f92,negated_conjecture,(
% 0.14/0.43 member(ordered_pair(x,y),cross_product(u,v)) ),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f93,negated_conjecture,(
% 0.14/0.43 unordered_pair(x,y) = null_class ),
% 0.14/0.43 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.43 fof(f94,plain,(
% 0.14/0.43 ![Y,U]: ((![X]: (~subclass(X,Y)|~member(U,X)))|member(U,Y))),
% 0.14/0.43 inference(miniscoping,[status(thm)],[f1])).
% 0.14/0.43 fof(f95,plain,(
% 0.14/0.43 ![X0,X1,X2]: (~subclass(X0,X1)|~member(X2,X0)|member(X2,X1))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f94])).
% 0.14/0.43 fof(f98,plain,(
% 0.14/0.43 ![X0]: (subclass(X0,universal_class))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f4])).
% 0.14/0.43 fof(f102,plain,(
% 0.14/0.43 ![U,Y]: ((![X]: (~member(U,unordered_pair(X,Y))|U=X))|U=Y)),
% 0.14/0.43 inference(miniscoping,[status(thm)],[f8])).
% 0.14/0.43 fof(f103,plain,(
% 0.14/0.43 ![X0,X1,X2]: (~member(X0,unordered_pair(X1,X2))|X0=X1|X0=X2)),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f102])).
% 0.14/0.43 fof(f104,plain,(
% 0.14/0.43 ![X]: (~member(X,universal_class)|(![Y]: member(X,unordered_pair(X,Y))))),
% 0.14/0.43 inference(miniscoping,[status(thm)],[f9])).
% 0.14/0.43 fof(f105,plain,(
% 0.14/0.43 ![X0,X1]: (~member(X0,universal_class)|member(X0,unordered_pair(X0,X1)))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f104])).
% 0.14/0.43 fof(f106,plain,(
% 0.14/0.43 ![Y]: (~member(Y,universal_class)|(![X]: member(Y,unordered_pair(X,Y))))),
% 0.14/0.43 inference(miniscoping,[status(thm)],[f10])).
% 0.14/0.43 fof(f107,plain,(
% 0.14/0.43 ![X0,X1]: (~member(X0,universal_class)|member(X0,unordered_pair(X1,X0)))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f106])).
% 0.14/0.43 fof(f108,plain,(
% 0.14/0.43 ![X0,X1]: (member(unordered_pair(X0,X1),universal_class))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f11])).
% 0.14/0.43 fof(f109,plain,(
% 0.14/0.43 ![X0]: (unordered_pair(X0,X0)=singleton(X0))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f12])).
% 0.14/0.43 fof(f111,plain,(
% 0.14/0.43 ![U,X]: ((![V,Y]: ~member(ordered_pair(U,V),cross_product(X,Y)))|member(U,X))),
% 0.14/0.43 inference(miniscoping,[status(thm)],[f14])).
% 0.14/0.43 fof(f112,plain,(
% 0.14/0.43 ![X0,X1,X2,X3]: (~member(ordered_pair(X0,X1),cross_product(X2,X3))|member(X0,X2))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f111])).
% 0.14/0.43 fof(f113,plain,(
% 0.14/0.43 ![V,Y]: ((![U,X]: ~member(ordered_pair(U,V),cross_product(X,Y)))|member(V,Y))),
% 0.14/0.43 inference(miniscoping,[status(thm)],[f15])).
% 0.14/0.43 fof(f114,plain,(
% 0.14/0.43 ![X0,X1,X2,X3]: (~member(ordered_pair(X0,X1),cross_product(X2,X3))|member(X1,X3))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f113])).
% 0.14/0.43 fof(f121,plain,(
% 0.14/0.43 ![Z,X]: ((![Y]: ~member(Z,intersection(X,Y)))|member(Z,X))),
% 0.14/0.43 inference(miniscoping,[status(thm)],[f21])).
% 0.14/0.43 fof(f122,plain,(
% 0.14/0.43 ![X0,X1,X2]: (~member(X0,intersection(X1,X2))|member(X0,X1))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f121])).
% 0.14/0.43 fof(f123,plain,(
% 0.14/0.43 ![Z,Y]: ((![X]: ~member(Z,intersection(X,Y)))|member(Z,Y))),
% 0.14/0.43 inference(miniscoping,[status(thm)],[f22])).
% 0.14/0.43 fof(f124,plain,(
% 0.14/0.43 ![X0,X1,X2]: (~member(X0,intersection(X1,X2))|member(X0,X2))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f123])).
% 0.14/0.43 fof(f126,plain,(
% 0.14/0.43 ![X0,X1]: (~member(X0,complement(X1))|~member(X0,X1))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f24])).
% 0.14/0.43 fof(f168,plain,(
% 0.14/0.43 ![X0]: (X0=null_class|member(regular(X0),X0))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f66])).
% 0.14/0.43 fof(f169,plain,(
% 0.14/0.43 ![X0]: (X0=null_class|intersection(X0,regular(X0))=null_class)),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f67])).
% 0.14/0.43 fof(f199,plain,(
% 0.14/0.43 member(ordered_pair(x,y),cross_product(u,v))),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f92])).
% 0.14/0.43 fof(f200,plain,(
% 0.14/0.43 unordered_pair(x,y)=null_class),
% 0.14/0.43 inference(cnf_transformation,[status(thm)],[f93])).
% 0.14/0.43 fof(f208,plain,(
% 0.14/0.43 ![X0,X1]: (~member(X0,singleton(X1))|X0=X1|X0=X1)),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f109,f103])).
% 0.14/0.43 fof(f209,plain,(
% 0.14/0.43 ![X0,X1]: (~member(X0,singleton(X1))|X0=X1)),
% 0.14/0.43 inference(duplicate_literals_removal,[status(thm)],[f208])).
% 0.14/0.43 fof(f211,plain,(
% 0.14/0.43 ![X0]: (member(singleton(X0),universal_class))),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f109,f108])).
% 0.14/0.43 fof(f212,plain,(
% 0.14/0.43 ![X0,X1]: (member(singleton(X0),unordered_pair(singleton(X0),X1)))),
% 0.14/0.43 inference(resolution,[status(thm)],[f105,f211])).
% 0.14/0.43 fof(f220,plain,(
% 0.14/0.43 ![X0,X1]: (~member(X0,X1)|member(X0,universal_class))),
% 0.14/0.43 inference(resolution,[status(thm)],[f95,f98])).
% 0.14/0.43 fof(f241,plain,(
% 0.14/0.43 member(x,u)),
% 0.14/0.43 inference(resolution,[status(thm)],[f112,f199])).
% 0.14/0.43 fof(f246,plain,(
% 0.14/0.43 member(y,v)),
% 0.14/0.43 inference(resolution,[status(thm)],[f114,f199])).
% 0.14/0.43 fof(f259,plain,(
% 0.14/0.43 ![X0]: (member(singleton(X0),singleton(singleton(X0))))),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f109,f212])).
% 0.14/0.43 fof(f327,plain,(
% 0.14/0.43 ![X0]: (singleton(X0)=null_class|regular(singleton(X0))=X0)),
% 0.14/0.43 inference(resolution,[status(thm)],[f168,f209])).
% 0.14/0.43 fof(f334,plain,(
% 0.14/0.43 ![X0,X1,X2]: (~member(X0,X1)|member(X0,unordered_pair(X2,X0)))),
% 0.14/0.43 inference(resolution,[status(thm)],[f220,f107])).
% 0.14/0.43 fof(f335,plain,(
% 0.14/0.43 ![X0,X1,X2]: (~member(X0,X1)|member(X0,unordered_pair(X0,X2)))),
% 0.14/0.43 inference(resolution,[status(thm)],[f220,f105])).
% 0.14/0.43 fof(f358,plain,(
% 0.14/0.43 ![X0]: (~member(y,X0)|member(y,null_class))),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f200,f334])).
% 0.14/0.43 fof(f365,plain,(
% 0.14/0.43 ![X0]: (~member(x,X0)|member(x,null_class))),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f200,f335])).
% 0.14/0.43 fof(f395,plain,(
% 0.14/0.43 ![X0]: (singleton(X0)=null_class|intersection(singleton(X0),X0)=null_class|singleton(X0)=null_class)),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f327,f169])).
% 0.14/0.43 fof(f397,plain,(
% 0.14/0.43 ![X0,X1]: (~member(X0,null_class)|member(X0,X1)|X1=null_class)),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f169,f122])).
% 0.14/0.43 fof(f398,plain,(
% 0.14/0.43 ![X0]: (singleton(X0)=null_class|intersection(singleton(X0),X0)=null_class)),
% 0.14/0.43 inference(duplicate_literals_removal,[status(thm)],[f395])).
% 0.14/0.43 fof(f580,plain,(
% 0.14/0.43 ![X0,X1]: (~member(X0,null_class)|member(X0,X1)|singleton(X1)=null_class)),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f398,f124])).
% 0.14/0.43 fof(f583,plain,(
% 0.14/0.43 ![X0,X1]: (member(y,X0)|singleton(X0)=null_class|~member(y,X1))),
% 0.14/0.43 inference(resolution,[status(thm)],[f580,f358])).
% 0.14/0.43 fof(f616,plain,(
% 0.14/0.43 ![X0]: (member(y,X0)|singleton(X0)=null_class)),
% 0.14/0.43 inference(resolution,[status(thm)],[f583,f246])).
% 0.14/0.43 fof(f631,plain,(
% 0.14/0.43 ![X0]: (singleton(complement(X0))=null_class|~member(y,X0))),
% 0.14/0.43 inference(resolution,[status(thm)],[f616,f126])).
% 0.14/0.43 fof(f633,plain,(
% 0.14/0.43 ![X0]: (singleton(singleton(X0))=null_class|y=X0)),
% 0.14/0.43 inference(resolution,[status(thm)],[f616,f209])).
% 0.14/0.43 fof(f646,plain,(
% 0.14/0.43 ![X0]: (member(singleton(X0),null_class)|y=X0)),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f633,f259])).
% 0.14/0.43 fof(f672,plain,(
% 0.14/0.43 singleton(complement(v))=null_class),
% 0.14/0.43 inference(resolution,[status(thm)],[f631,f246])).
% 0.14/0.43 fof(f702,plain,(
% 0.14/0.43 ![X0]: (~member(X0,null_class)|X0=complement(v))),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f672,f209])).
% 0.14/0.43 fof(f735,plain,(
% 0.14/0.43 ![X0]: (y=complement(v)|~member(y,X0))),
% 0.14/0.43 inference(resolution,[status(thm)],[f702,f358])).
% 0.14/0.43 fof(f737,plain,(
% 0.14/0.43 ![X0]: (x=complement(v)|~member(x,X0))),
% 0.14/0.43 inference(resolution,[status(thm)],[f702,f365])).
% 0.14/0.43 fof(f739,plain,(
% 0.14/0.43 ![X0]: (singleton(X0)=complement(v)|y=X0)),
% 0.14/0.43 inference(resolution,[status(thm)],[f702,f646])).
% 0.14/0.43 fof(f749,plain,(
% 0.14/0.43 ![X0]: (member(complement(v),null_class)|y=X0|y=X0)),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f739,f646])).
% 0.14/0.43 fof(f776,plain,(
% 0.14/0.43 ![X0]: (member(complement(v),null_class)|y=X0)),
% 0.14/0.43 inference(duplicate_literals_removal,[status(thm)],[f749])).
% 0.14/0.43 fof(f782,plain,(
% 0.14/0.43 y=complement(v)),
% 0.14/0.43 inference(resolution,[status(thm)],[f735,f246])).
% 0.14/0.43 fof(f795,plain,(
% 0.14/0.43 ![X0]: (singleton(X0)=y|y=X0)),
% 0.14/0.43 inference(backward_demodulation,[status(thm)],[f782,f739])).
% 0.14/0.43 fof(f816,plain,(
% 0.14/0.43 ![X0]: (member(y,null_class)|y=X0)),
% 0.14/0.43 inference(backward_demodulation,[status(thm)],[f782,f776])).
% 0.14/0.43 fof(f823,plain,(
% 0.14/0.43 ![X0]: (x=y|~member(x,X0))),
% 0.14/0.43 inference(backward_demodulation,[status(thm)],[f782,f737])).
% 0.14/0.43 fof(f851,plain,(
% 0.14/0.43 ![X0]: (~member(X0,y)|~member(X0,v))),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f782,f126])).
% 0.14/0.43 fof(f1012,plain,(
% 0.14/0.43 ![X0]: (y=X0|singleton(complement(null_class))=null_class)),
% 0.14/0.43 inference(resolution,[status(thm)],[f816,f631])).
% 0.14/0.43 fof(f1020,plain,(
% 0.14/0.43 x=y),
% 0.14/0.43 inference(resolution,[status(thm)],[f823,f241])).
% 0.14/0.43 fof(f1031,plain,(
% 0.14/0.43 ![X0]: (member(y,null_class)|x=X0)),
% 0.14/0.43 inference(backward_demodulation,[status(thm)],[f1020,f816])).
% 0.14/0.43 fof(f1036,plain,(
% 0.14/0.43 ![X0]: (singleton(X0)=y|x=X0)),
% 0.14/0.43 inference(backward_demodulation,[status(thm)],[f1020,f795])).
% 0.14/0.43 fof(f1057,plain,(
% 0.14/0.43 member(x,v)),
% 0.14/0.43 inference(backward_demodulation,[status(thm)],[f1020,f246])).
% 0.14/0.43 fof(f1062,plain,(
% 0.14/0.43 ![X0]: (x=X0|singleton(complement(null_class))=null_class)),
% 0.14/0.43 inference(backward_demodulation,[status(thm)],[f1020,f1012])).
% 0.14/0.43 fof(f1081,plain,(
% 0.14/0.43 ![X0]: (~member(X0,x)|~member(X0,v))),
% 0.14/0.43 inference(backward_demodulation,[status(thm)],[f1020,f851])).
% 0.14/0.43 fof(f1197,plain,(
% 0.14/0.43 ![X0]: (member(x,null_class)|x=X0)),
% 0.14/0.43 inference(forward_demodulation,[status(thm)],[f1020,f1031])).
% 0.14/0.43 fof(f1201,plain,(
% 0.14/0.43 ![X0]: (singleton(X0)=x|x=X0)),
% 0.14/0.43 inference(forward_demodulation,[status(thm)],[f1020,f1036])).
% 0.14/0.43 fof(f1578,plain,(
% 0.14/0.43 ~member(x,x)),
% 0.14/0.43 inference(resolution,[status(thm)],[f1081,f1057])).
% 0.14/0.43 fof(f1755,plain,(
% 0.14/0.43 ~x=null_class|singleton(complement(null_class))=null_class),
% 0.14/0.43 inference(equality_factoring,[status(thm)],[f1062])).
% 0.14/0.43 fof(f1765,plain,(
% 0.14/0.43 singleton(complement(null_class))=null_class),
% 0.14/0.43 inference(forward_subsumption_resolution,[status(thm)],[f1755,f1062])).
% 0.14/0.43 fof(f1768,plain,(
% 0.14/0.43 x=null_class|x=complement(null_class)),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f1201,f1765])).
% 0.14/0.43 fof(f1816,plain,(
% 0.14/0.43 ![X0]: (~member(X0,x)|~member(X0,null_class)|x=null_class)),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f1768,f126])).
% 0.14/0.43 fof(f1823,plain,(
% 0.14/0.43 ![X0]: (~member(X0,null_class)|x=null_class)),
% 0.14/0.43 inference(forward_subsumption_resolution,[status(thm)],[f1816,f397])).
% 0.14/0.43 fof(f1844,plain,(
% 0.14/0.43 ![X0]: (x=null_class|x=X0)),
% 0.14/0.43 inference(resolution,[status(thm)],[f1823,f1197])).
% 0.14/0.43 fof(f1853,plain,(
% 0.14/0.43 ![X0]: (~member(x,null_class)|x=X0)),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f1844,f1578])).
% 0.14/0.43 fof(f1875,plain,(
% 0.14/0.43 ![X0]: (x=X0)),
% 0.14/0.43 inference(forward_subsumption_resolution,[status(thm)],[f1853,f1197])).
% 0.14/0.43 fof(f1882,plain,(
% 0.14/0.43 ![X0]: (~member(x,X0))),
% 0.14/0.43 inference(paramodulation,[status(thm)],[f1875,f1578])).
% 0.14/0.43 fof(f1905,plain,(
% 0.14/0.43 $false),
% 0.14/0.43 inference(backward_subsumption_resolution,[status(thm)],[f1057,f1882])).
% 0.14/0.43 % SZS output end CNFRefutation for theBenchmark.p
% 0.14/0.46 % Elapsed time: 0.083757 seconds
% 0.14/0.46 % CPU time: 0.450009 seconds
% 0.14/0.46 % Total memory used: 112.240 MB
% 0.14/0.46 % Net memory used: 111.235 MB
%------------------------------------------------------------------------------