The ISoLA 2024 proceedings constitutes contributions of the associated events held at the 12th International Symposium on Leveraging Applications of Formal Methods, ISoLA 2024, which took place in Crete, Greece, in October 2024.

SpecifyThis – Bridging Gaps Between Program Specification Paradigms: Track Introduction.- Deductively Verified Program Models for Software Model Checking.- Towards Probabilistic Contracts for Intelligent Cyber-Physical Systems.- Towards the Formal Analysis of Algorithmic Requirements.- Interest beyond Violation: On Points-of-Interest in Runtime Verification.- Contract-LIB: A Proposal for a Common Interchange Format for Software Systems Specification.- Adventures in FRET and Specification.- Challenges of Multilingual Program Specification and Analysis.- Towards Integrating Copiloting and Formal Methods: Building Blocks, Architecture, and Challenges.- High-Level Program Properties in Frama-C: Definition, Verification and Deduction.- Formal Foundations of Consistency in Model-Driven Development.- Context-Aware Contracts as a Lingua Franca for Behavioral Specification.- SIMPPAAL: A Framework For Statistical Model Checking of Industrial Simulink Models.- Static and Dynamic Verification of OCaml Programs: the Gospel Ecosystem.- Scalable Verification and Validation of Concurrent and Distributed Systems (ScaVeri) (Track Summary).- SyDPaCC: A Framework for the Development of Verified Scalable Parallel Functional Programs.- A Theory of Probabilistic Contracts.- Composition and Merging of Assume-Guarantee Contracts Are Tensor Products.- Avoiding distractions in parity games.- No Need to Be Stubborn: Partial-Order Reduction for GPU Model Checking Revisited.- SAT-Based Quantified Symmetric Minimization of the Reachable States of Distributed Protocols: An Update.- CommonUppRoad: A Framework of Formal Modelling, Verifying, and Visualisation of Autonomous Vehicles.