~/talks

Julian Erhard

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  • VMCAI3 editions2024–2026

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titleconferencedate
Data Race Detection by Digest-Driven Abstract InterpretationVMCAI 20262026-01-12
Presents a concrete, sound definition of data races in a thread‑modular local trace semantics and implements a digest-driven abstract interpretation in Goblint…
Talk on
Taking out the Toxic Trash: Recovering Precision in Mixed Flow-Sensitive Static AnalysesPLDI 20252025-06-16
Proposes three concrete fixes — narrowing per origin, reluctant widening, and abstract garbage collection — that decouple global updates via an update rules…
Talk on
Correctness Witnesses for Concurrent Programs: Bridging the Semantic Divide with GhostsVMCAI 20252025-01-20
Proposes a machine-readable ghost witness format that instruments programs with ghost variables and statements so a validator checks witness validity by…
Talk on
C-2PO: A Weakly Relational Pointer Domain: “These Are Not the Memory Cells You Are(…)NSAD 20242024-10-22
A new weakly relational pointer domain for C, C-2PO, tracks must-equalities and -disequalities between pointer expressions, models address arithmetic confined…
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When to Stop Going Down the Rabbit Hole: Taming Context-Sensitivity on the FlySOAP 20242024-06-25
Provides a framework and three generic lifters implemented as decorators around Goblint and evaluated on SV-COMP recursive benchmarks. Limits contexts on the…
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Correctness Witness Validation by Abstract InterpretationVMCAI 20242024-01-15
Introduces a concrete unassume operator that injects witness invariants into an abstract interpreter to relax state information deliberately, implemented in…
Talk
Improving Thread-Modular Abstract InterpretationSPLASH 20222022-12-05
Presents a thread‑modular framework that formalizes analyses as side-effecting constraint systems with a new local trace semantics, proves soundness of…
Talk
Improving Thread-Modular Abstract InterpretationSAS 20212021-10-17
Formalizes thread-modular non-relational value analyses with a new local trace semantics and a side-effecting constraint-system framework, casts Goblint’s…
Talk
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