NASA Formal Methods 14th International Symposium, NFM 2022, Pasadena, CA, USA, May 24–27, 2022, Proceedings

This book constitutes the proceedings of the 14th International Symposium on NASA Formal Methods, NFM 2022, held in Pasadena, USA, during May 24-27, 2022.

The 33 full and 6 short papers presented in this volume were carefully reviewed and selected from 118submissions. The volume also contains 6 invited papers.

The papers deal with advances in formal methods, formal methods techniques, and formal methods in practice. The focus on topics such as interactive and automated theorem proving; SMT and SAT solving; model checking; use of machine learning and probabilistic reasoning in formal methods; formal methods and graphical modeling languages such as SysML or UML; usability of formal method tools and application in industry, etc. 

Invited Keynotes.- Formal Methods for Trusted Space Autonomy: Boon or Bane.- An Essence of Domain Engineering - A Basis for Trustworthy Aeronautics and Space Software.- Concept Design Moves.- Automating Program Transformation with Coccinelle.- The Prusti Project: Formal Verification for Rust.- Summers Reachability Analysis for Cyber-Physical Systems: Are we there yet.- Regular Submissions.- Towards Better Test Coverage: Merging Unit Tests for Autonomous Systems.- Quantification of Battery Depletion Risk Made Efficient.- Hierarchical Contract-based Synthesis for Assurance Cases.- Verified Probabilistic Policies for Deep Reinforcement Learning.- NNLander-VeriF: A Neural Network Formal Verification Framework for Vision-Based Autonomous Aircraft Landing.- The Black-Box Simplex Architecture for Runtime Assurance of Autonomous CPS.- Case Studies for Computing Density of Reachable States for Safe Autonomous Motion Planning.- Towards Refactoring FRETish Requirements.- Neural Network Compression of ACAS Xu Early Prototype is Unsafe: Closed-Loop Verification through Quantized State Backreachability.- ZoPE: A Fast Optimizer for ReLU Networks with Low-Dimensional Inputs.- Permutation Invariance of Deep Neural Networks with ReLUs.- Configurable Benchmarks for C Model Checkers.- AssumeGuarantee Reasoning with Scheduled Components.- Stateful Black-Box Fuzzing of Bluetooth Devices Using Automata Learning.- From Verified Scala to STIX File System Embedded Code using Stainless.- On the Termination of Borrow Checking in Featherweight Rust.- Programming Than Programming: Teaching Formal Methods in a Software Engineering Programme.- Zone Extrapolations in Parametric Timed Automata.- Exemplifying Parametric Timed Specifications over Signals with Bounded Behavior.- Timed Automata Learning via SMT Solving.- Asynchronous Composition of Local Interface LTL Properties.- Elucidation and Analysis of Specification Patterns in Aerospace System Telemetry.- Robust Computation TreeLogic.- On the-Fly Model Checking with Neural MCTS.- Checking and Test Generation for Comprehensive Verification.- Operational Annotations: a New Method for Sequential Program Verification.- Byzantine Fault Tolerant Consensus in Agda.- DSV: Disassembly Soundness Validation without Assuming a Ground Truth.- Probabilistic Hyperproperties with Rewards.- Hypercontracts.- Monitorability of Expressive Verdicts.- BDDs Strike Back: Efficient Analysis of Static and Dynamic Fault Trees.- Approximate Translation from Floating-Point to Real-Interval Arithmetic.- Synthesis of Optimal Defenses for System Architecture Design Model in MaxSMT.- Certified Computation of Nondeterministic Limits.- The Power of Disjoint Support Decompositions in Decision Diagrams.- Incremental Transitive Closure for Zonal Abstract Domain.- Proof Mate: an Interactive Proof Helper for PVS.- Runtime Verification Triggers.- Real-time, Autonomous Fault Recovery on the CySat-I.