Fault Localisation

From Logic to Learning: Rethinking Programming for the AI Era featured image

From Logic to Learning: Rethinking Programming for the AI Era

In this talk, I will present approaches that leverage the precision of formal logic and the adaptability of learning-based models to enable intelligent code generation, automated …

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Pedro Orvalho
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Counterexample Guided Program Repair Using Large Language Models and MaxSAT-based Fault Localization featured image

Counterexample Guided Program Repair Using Large Language Models and MaxSAT-based Fault Localization

In this talk I will present a hybrid method to automated repair of C code, using Maximum Satisfiability (MaxSAT)-based fault localization, CFaults, to localize bugs and LLMs to …

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Pedro Orvalho
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MENTOR: Automated Feedback for Introductory Programming Exercises featured image

MENTOR: Automated Feedback for Introductory Programming Exercises

In my talk, I will present MENTOR, a semantic automated program repair (APR) framework designed to provide Automated Feedback for Introductory Programming Exercises.

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Pedro Orvalho
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MENTOR: Feedback Automático para Exercícios Introdutórios de Programação (Portuguese) featured image

MENTOR: Feedback Automático para Exercícios Introdutórios de Programação (Portuguese)

Nesta palestra, irei apresentar o sistema MENTOR, uma ferramenta de reparação automática de programas orientada para fornecer feedback automatizado para exercícios introdutórios de …

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Pedro Orvalho
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🏆 Honored to Receive the Vencer o Adamastor (VoA) Award 2025!! 🏆 featured image

🏆 Honored to Receive the Vencer o Adamastor (VoA) Award 2025!! 🏆

I am thrilled to share that I was the recipient of the Vencer o Adamastor 2025 prize, which acknowledges innovative contributions by young scientists in Portugal. 🎉 🎉

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Pedro Orvalho
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Counterexample Guided Program Repair Using Zero-Shot Learning and MaxSAT-based Fault Localization featured image

Counterexample Guided Program Repair Using Zero-Shot Learning and MaxSAT-based Fault Localization

In this talk I will present our novel approach that combines the strengths of both FM-based fault localization and LLMs, via zero-shot learning, to enhance Automated Program …

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Pedro Orvalho
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Model-Based Diagnosis for Software featured image

Model-Based Diagnosis for Software

Localising system faults has long been recognised as one of the most time-consuming and costly tasks in software engineering. Given a buggy system, fault localisation (FL) refers …

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Pedro Orvalho
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LLM-Driven Automated Program Repair Using MaxSAT-based Fault Localization featured image

LLM-Driven Automated Program Repair Using MaxSAT-based Fault Localization

In this talk I will present a hybrid method to automated repair of C code, using Maximum Satisfiability (MaxSAT)-based fault localization, CFaults, to localize bugs and LLMs to …

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Pedro Orvalho
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CFaults: Model-Based Diagnosis for Fault Localization in C with Multiple Test Cases featured image

CFaults: Model-Based Diagnosis for Fault Localization in C with Multiple Test Cases

In this talk I will introduce a novel fault localization approach for C programs with multiple faults. CFaults leverages Model-Based Diagnosis (MBD) with multiple observations and …

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Pedro Orvalho
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CFaults: Model-Based Diagnosis for Fault Localization in C with Multiple Test Cases featured image

CFaults: Model-Based Diagnosis for Fault Localization in C with Multiple Test Cases

This paper introduces a novel fault localization approach for C programs with multiple faults. CFaults leverages Model-Based Diagnosis (MBD) with multiple observations and …

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Pedro Orvalho
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