// Reduced by Christian Schilling 2017/01/18

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 == 4);
assert(shrinkNwaSize == 4);
assert(minimizeNwaPmaxSatDirectBiSize == 4);
assert(minimizeNwaPmaxSatDirectSize == 4);
assert(minimizeDfaSimulationSize == 4);
assert(reduceNwaDirectSimulationSize == 4);
assert(reduceNwaDirectSimulationBSize == 4);
assert(reduceNwaDirectFullMultipebbleSimulationSize == 4);
assert(buchiReduceSize == 4);
assert(reduceNwaDelayedSimulationSize == 4);
assert(reduceNwaDelayedSimulationBSize == 4);
// assert(reduceNwaDelayedFullMultipebbleSimulationSize == 4);
assert(reduceBuchiFairDirectSimulationSize == 3);
assert(reduceBuchiFairSimulationSize == 3);

FiniteAutomaton nwa = (
     alphabet = {"a" "b" },
     states = {"q1" "q3" "q2" "q0" },
     initialStates = {"q0" },
     finalStates = {"q3" "q0" },
     transitions = {
         ("q0" "a" "q1")
         ("q0" "a" "q3")
         ("q1" "b" "q2")
         ("q2" "a" "q1")
         ("q2" "a" "q3")
     }
);