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The improved query designer makes it super easy to create queries without a detailed knowledge of the concrete syntax. Queries can be by expert users edited also manually.
TAPAAL provides a standalone verification engines as well as verification via a translation to UPPAAL timed automata. The integrating within the TAPAAL GUI is seemless the answers are displayed directly in TAPAAL.
Simulation of a net behaviour can be done step by step, and error traces are loaded into the simulator allowing for an easy visualization of counter-examples.