// author: Christian Schilling
// Date: 2016-08-20
// Simplified version of Asterix.
// BuchiReduce fails here as well, but there are dead ends.

NestedWordAutomaton preprocessed = removeUnreachable(nwa);

int minimizeSevpaSize = numberOfStates(minimizeSevpa(preprocessed));
int shrinkNwaSize = numberOfStates(shrinkNwa(preprocessed));
int minimizeNwaPmaxSatDirectBiSize = numberOfStates(minimizeNwaPmaxSatDirectBi(preprocessed));
int minimizeNwaPmaxSatDirectSize = numberOfStates(minimizeNwaPmaxSatDirect(preprocessed));
int minimizeDfaSimulationSize = numberOfStates(minimizeDfaSimulation(preprocessed));
int reduceNwaDirectSimulationSize = numberOfStates(reduceNwaDirectSimulation(preprocessed));
int reduceNwaDirectSimulationBSize = numberOfStates(reduceNwaDirectSimulationB(preprocessed));
int reduceNwaDirectFullMultipebbleSimulationSize = numberOfStates(reduceNwaDirectFullMultipebbleSimulation(preprocessed));
int buchiReduceSize = numberOfStates(buchiReduce(preprocessed));
int reduceNwaDelayedSimulationSize = numberOfStates(reduceNwaDelayedSimulation(preprocessed));
int reduceNwaDelayedSimulationBSize = numberOfStates(reduceNwaDelayedSimulationB(preprocessed));
// int reduceNwaDelayedFullMultipebbleSimulationSize = numberOfStates(reduceNwaDelayedFullMultipebbleSimulation(preprocessed));
int reduceBuchiFairDirectSimulationSize = numberOfStates(reduceBuchiFairDirectSimulation(preprocessed));
int reduceBuchiFairSimulationSize = numberOfStates(reduceBuchiFairSimulation(preprocessed));

assert(minimizeSevpaSize == 2);
assert(shrinkNwaSize == 2);
assert(minimizeNwaPmaxSatDirectBiSize == 2);
assert(minimizeNwaPmaxSatDirectSize == 2);
assert(minimizeDfaSimulationSize == 2);
assert(reduceNwaDirectSimulationSize == 2);
assert(reduceNwaDirectSimulationBSize == 2);
assert(reduceNwaDirectFullMultipebbleSimulationSize == 2);
assert(buchiReduceSize == 2);
assert(reduceNwaDelayedSimulationSize == 2);
assert(reduceNwaDelayedSimulationBSize == 2);
// assert(reduceNwaDelayedFullMultipebbleSimulationSize == 2);
assert(reduceBuchiFairDirectSimulationSize == 2);
assert(reduceBuchiFairSimulationSize == 2);

NestedWordAutomaton nwa = (
	callAlphabet = {},
	internalAlphabet = {"a" },
	returnAlphabet = {},
	states = {"q_1" "q_0" },
	initialStates = {"q_0" },
	finalStates = {"q_0" },
	callTransitions = {
	},
	internalTransitions = {
		 ("q_1" "a" "q_1")
		 ("q_0" "a" "q_1")
	},
	returnTransitions = {
	}
);