// Date: 2014-09-12
// Author: heizmann@informatik.uni-freiburg.de and Christian Schilling
//
// Revealed a bug in MinimizeDfaSimulation.

print(numberOfStates(removeUnreachable(nwa)));

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

NestedWordAutomaton nwa = (
    callAlphabet = {},
    internalAlphabet = {"a" "b" },
    returnAlphabet = {},
    states = {"q1" "q2" "q3" "q0" },
    initialStates = {"q0" },
    finalStates = {"q1" "q2" },
    callTransitions = {
    },
    internalTransitions = {
         ("q3" "a" "q1")
         ("q0" "a" "q2")
         ("q0" "b" "q3")
    },
    returnTransitions = {
    }
);