a particular kind of mathematically-based technique for the specification, development and verification of software and hardware systems.

learn more… | top users | synonyms

0
votes
2answers
28 views

Formal method - how to prevent deletion in an array

i have created a very basic model of an array list in the b method as shown below ...
1
vote
1answer
88 views

Formalizing self-propagating behaviour

Since reading Ken Thompson's Reflections on Trusting Trust I am trying to formalize the idea of a program which mutates its own behaviour; specifically, a program that would be self-reproducing except ...
5
votes
0answers
81 views

Introduction to bounded model checking that describes model generation

Most of the tutorials I have found on model checking and bounded model checking start with, the model is given as a Kripke Structure M = (S,I,T,L) where S is a set of states, I is a set of initial ...
5
votes
0answers
90 views

Boolean formula that agrees with most truth assignments

Let $X_1,\dots,X_n$ be $n$ boolean variables. I have an unknown predicate $P(X_1,\dots,X_n)$ on these boolean variables. Of course, I can view the predicate as a function $f_P : \{0,1\}^n \to ...
2
votes
0answers
32 views

Proving weak simulation

I want to prove something but I am not sure if it is the right way to do it. I have two LTS that define different semantics. A=($Q_a,Λ,\to)$, and B=$(Q_b,Λ\cup\{\beta\},\leadsto)$, where $\beta$ is ...
2
votes
0answers
61 views

How to Generate Control flow graph from a Petri net model?

My research is mainly focused on generating test sequences automatically using Colored Petri net.CFG provides techniques for generating test sequences. But some papers says that, test sequence ...
2
votes
0answers
63 views

Is there any open-source tools for verifying TCTL formulae over timed automata can be imported into my project?

In my project, there is one important step to automatically verify a timed automata with TCTL formulae. I briefly surveyed the tool UPPAAL that provides a GUI to construct a timed automata and to ...
1
vote
0answers
24 views

Effective method for simulating program's cycle

I'm looking for an effective method to simulate a program. Why I am needing this is because sometimes I can only have the program's description, code, and all I have left is pen and paper when I want ...
1
vote
0answers
324 views

Logical conjunction of two binary decision diagrams

Compute a BDD for $B_{1} \wedge B_{2}$ by using an algorithm that applies dynamic programming. Document the execution of the algorithm by indicating pairs of BDDs $(q_{1},q_{2})$ and the BDD $q_{1} ...
0
votes
0answers
51 views

Reverse linked listed — formal method?

I am trying to do some formal modeling of a linked list, however instead of referencing the next block, each block needs to reference the previous block instead. Is there already any formal methods ...