Complete Symbolic Simulation of SystemC Models: Efficient - download pdf or read online

By Vladimir Herdt

ISBN-10: 3658126795

ISBN-13: 9783658126797

ISBN-10: 3658126809

ISBN-13: 9783658126803

In his grasp thesis, Vladimir Herdt provides a unique procedure, known as whole symbolic simulation, for a extra effective verification of a lot greater (non-terminating) SystemC courses. The technique combines symbolic simulation with stateful version checking and permits to ensure security homes in (cyclic) finite kingdom areas, by way of exhaustive exploration of all attainable inputs and procedure schedulings. The country explosion challenge is alleviated through integrating complementary aid concepts. in comparison to current ways, the entire symbolic simulation works extra successfully, and consequently offers correctness proofs for better structures, that is the most not easy initiatives, as a result ever expanding complexity.

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Extra resources for Complete Symbolic Simulation of SystemC Models: Efficient Formal Verification of Finite Non-Terminating Programs

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The transition D2 is enabled in s4 but never explored from s4 or any state reachable from it. Consequently the assertion violation in Line 21 is missed. Remark. There also exists a reduced state space satisfying C0 and C1 and detecting the assertion violation. But in general C0 and C1 are not sufficient to enforce this. 3. Safety Properties Due to the ignoring problem, a cycle proviso is required to preserve properties more elaborate than deadlocks. Different provisos are available for both safety and liveness properties in combination with different search strategies [God96; HGP92; BH05; BLL06; EP10].

Working. working. working set. This avoids re-exploration of t from s. Then the successor state n of s when executing t, together with the visible effects e observed during the execution of t, are obtained (lines {14, 15}). The search path P is extended accordingly with the effects e of t and successor state n. The recursive call to explore continues with the last state of P, which has been setup to be n. Once the explore function returns, all paths from the next state n have been explored and backtracked.

Compared to the basic stateful model checking algorithm shown in Algorithm 1, successor states are generated by means of the reduction function r, which selects only a subset 6 Using a depth first search is just a design decision, because it allows for a memory efficient state space exploration. Any search method could be used here. It is only relevant that the complete reduced state space is explored. 6. Partial Order Reduction Algorithm 2: Selective Stateful DFS Input: Initial state 1 2 3 4 5 6 7 8 H ← Set() explore(initialState) procedure explore(s) is if s ∈ / H then H ← H ∪s for t ∈ r(s) do n ← succ(s,t) explore(n) of enabled transitions for each reached state.

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Complete Symbolic Simulation of SystemC Models: Efficient Formal Verification of Finite Non-Terminating Programs by Vladimir Herdt


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