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<?xml version="1.0" encoding="UTF-8"?><!-- we test 'optimally enabled set', specifically that preemption works correctly --><scxml xmlns="http://www.w3.org/2005/07/scxml" xmlns:conf="http://www.w3.org/2005/scxml-conformance" initial="s0" version="1.0" datamodel="ecmascript">
<datamodel>
<data id="Var1" expr="0"/>
</datamodel>
<state id="s0" initial="p0">
<onentry>
<raise event="event1"/>
<send event="timeout" delay="1s"/>
</onentry>
<transition event="event2" target="fail"/>
<transition event="timeout" target="fail"/>
<parallel id="p0">
<state id="p0s1">
<transition event="event1"/>
<transition event="event2"/>
</state>
<state id="p0s2">
<transition event="event1" target="p0s1">
<raise event="event2"/>
</transition>
</state>
<state id="p0s3">
<!-- this transition should be blocked by the one in p0s2-->
<transition event="event1" target="fail"/>
<!-- this transition will preempt the one that p0s2 inherits
from an ancestor -->
<transition event="event2" target="s1"/>
</state>
<state id="p0s4">
<!-- this transition never gets preempted, should fire twice -->
<transition event="*">
<assign location="Var1" expr="Var1 + 1"/>
</transition>
</state>
</parallel>
</state>
<state id="s1">
<transition cond="Var1==2" target="pass"/>
<transition target="fail"/>
</state>
<final id="pass"><onentry><log label="Outcome" expr="'pass'"/></onentry></final>
<final id="fail"><onentry><log label="Outcome" expr="'fail'"/></onentry></final>
</scxml>
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