Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at it.unimi.dsi.fastutil.ints.Int2DoubleOpenHashMap$MapEntrySet.iterator(Int2DoubleOpenHashMap.java:834)
at de.tum.in.probmodels.model.Distribution.sumWeightedExcept(Distribution.java:125)
at de.tum.in.pet.implementation.reachability.StateValuesReachability.lowerBound(StateValuesReachability.java:55)
at de.tum.in.pet.implementation.reachability.StateValuesReachability.bounds(StateValuesReachability.java:31)
at de.tum.in.pet.implementation.reachability.StateUpdateReachability.update(StateUpdateReachability.java:43)
at de.tum.in.pet.sampler.UnboundedSampler.update(UnboundedSampler.java:263)
at de.tum.in.pet.sampler.UnboundedSampler.update(UnboundedSampler.java:256)
at de.tum.in.pet.sampler.UnboundedSampler.sample(UnboundedSampler.java:224)
at de.tum.in.pet.sampler.UnboundedSampler.run(UnboundedSampler.java:112)
at de.tum.in.pet.implementation.reachability.ReachChecker.solve(ReachChecker.java:165)
at de.tum.in.pet.implementation.reachability.ReachChecker.solve(ReachChecker.java:222)
at de.tum.in.pet.implementation.reachability.ReachChecker.solveDtmc(ReachChecker.java:266)
at de.tum.in.pet.implementation.reachability.ReachChecker.solve(ReachChecker.java:142)
at de.tum.in.pet.implementation.reachability.ReachChecker.main(ReachChecker.java:356)
at de.tum.in.pet.Main.main(Main.java:51)