Free markets. Free prices. There is no recovery in any substantive way without allowing them to do their thing.
This would of course disempower the throng of socialists strangling the country right now. As such we are unlikely to see reforms. These guys want to hold on until the bitter end.
The government of Venezuela in the name of the people and for the benefit of the people seized the big bad profit-grabbing oil companies, thinking that anyone off the street could manage a business.
This small incredibly oil rich country cannot now feed itself.
Free markets work. Historically we see this over and over. Combined with property rights and the rule of law one as the recipe for prosperity generally. But some refuse to see this. They want to believe in the engineered society.
Sorry Mr. Maduro, that just isn’t how the universe operates. (You should know better too Mr. Sanders.) You’re just tragically wrong.