start with MMNZ= 20000000 ; ! help model guess how much memory is needed
IZ1 = no; ! help with pivot re-use
!assertions = warn; ! only use this when trouble strikes

xSet SUB (Energia, Saneamento, Transportes, Telecomun) ;
xSubset SUB is Subset of IND ;
xSet NSUB = IND - SUB;
