/** Simple test program */
public static void main(String args[]) {
STPGModelChecker mc;
STPGAbstrSimple stpg;
DistributionSet set;
Distribution distr;
// ModelCheckerResult res;
BitSet target;
// Simple example: Create and solve the stochastic game from:
// Mark Kattenbelt, Marta Kwiatkowska, Gethin Norman, David Parker
// A Game-based Abstraction-Refinement Framework for Markov Decision Processes
// Formal Methods in System Design 36(3): 246-280, 2010
try {
// Build game
stpg = new STPGAbstrSimple();
stpg.addStates(4);
// State 0 (s_0)
set = stpg.newDistributionSet(null);
distr = new Distribution();
distr.set(1, 1.0);
set.add(distr);
stpg.addDistributionSet(0, set);
// State 1 (s_1,s_2,s_3)
set = stpg.newDistributionSet(null);
distr = new Distribution();
distr.set(2, 1.0);
set.add(distr);
distr = new Distribution();
distr.set(1, 1.0);
set.add(distr);
stpg.addDistributionSet(1, set);
set = stpg.newDistributionSet(null);
distr = new Distribution();
distr.set(2, 0.5);
distr.set(3, 0.5);
set.add(distr);
distr = new Distribution();
distr.set(3, 1.0);
set.add(distr);
stpg.addDistributionSet(1, set);
// State 2 (s_4,s_5)
set = stpg.newDistributionSet(null);
distr = new Distribution();
distr.set(2, 1.0);
set.add(distr);
stpg.addDistributionSet(2, set);
// State 3 (s_6)
set = stpg.newDistributionSet(null);
distr = new Distribution();
distr.set(3, 1.0);
set.add(distr);
stpg.addDistributionSet(3, set);
// Print game
System.out.println(stpg);
// Model check
mc = new STPGModelChecker(null);
// mc.setVerbosity(2);
target = new BitSet();
target.set(3);
stpg.exportToDotFile("stpg.dot", target);
System.out.println("min min: " + mc.computeReachProbs(stpg, target, true, true).soln[0]);
System.out.println("max min: " + mc.computeReachProbs(stpg, target, false, true).soln[0]);
System.out.println("min max: " + mc.computeReachProbs(stpg, target, true, false).soln[0]);
System.out.println("max max: " + mc.computeReachProbs(stpg, target, false, false).soln[0]);
} catch (PrismException e) {
System.out.println(e);
}
}
