FLOC 2026: Federated Logic Conference

Table of Contents

1. Overview

The 9th Federated Logic Conference. Lisbon, 13–29 July 2026.

FLOC brings together major conferences in logic, verification, and formal methods every four years. Previous editions: Oxford (2018), Haifa (2022).

Website: https://www.floc26.org/

2. Schedule

2.1. Summer Schools (13–17 Jul)

  • 6th Summer School on Foundations of Programming and Software Systems (FoPSS)
  • 13th SAT/SMT/AR Summer School

2.2. 3-Day Workshops (17–19 Jul)

  • 39th Int. Workshop on Description Logics (DL) – affiliated with KR
  • 24th Int. Workshop on Nonmonotonic Reasoning (NMR) – affiliated with KR

2.3. Week 1 Conferences (20–23 Jul)

Acronym Name Notes
CP Constraint Programming (32nd)  
FSCD Formal Structures for Computation and Deduction (11th)  
ICLP Logic Programming (42nd)  
KR Knowledge Representation and Reasoning (23rd)  
LICS Logic in Computer Science (41st) notes
SAT Satisfiability Testing (29th)  

2.4. Week 1 Workshops (18–19 Jul)

Workshops with site relevance:

  • GaLoP: Games for Logic and Programming Languages (LICS/FSCD, 18–19 Jul)
  • FMQC: Formal Methods in Quantum Computing (18 Jul)
  • LCC: Logic and Computational Complexity (LICS, 18–19 Jul)
  • MSFP: Mathematically Structured Functional Programming (FSCD, 18 Jul)
  • TLLA: Trends in Linear Logic and Applications (FSCD/LICS, 18–19 Jul)
  • SmP: Structure meets Power (LICS, 18 Jul)
  • DIALOCO: Diagrams in Logic and Computation (LICS, 19 Jul)
  • LLM-Solve: LLMs meet Constraint Solving (SAT/CP, 19 Jul)

2.5. Week 2 Conferences (26–29 Jul)

Acronym Name Notes
CAV Computer-Aided Verification (38th)  
CSF Computer Security Foundations (39th)  
IJCAR Int. Joint Conf. Automated Reasoning (13th)  
ITP Interactive Theorem Proving (17th)  

2.6. Week 2 Workshops (24–25 Jul)

Workshops with site relevance:

  • ACV: Abstract and Concrete Techniques in Verification (LICS/CAV, 24–25 Jul)
  • IMLA: Intuitionistic Modal Logic and Applications (LICS, 24–25 Jul)
  • Isabelle: Isabelle Workshop (ITP/IJCAR, 24–25 Jul)
  • LFMTP: Logical Frameworks and Meta-languages (FSCD, 24 Jul)
  • PERR: Program Equivalence and Relational Reasoning (CAV, 24 Jul)
  • SAIV: Symposium on AI Verification (CAV, 24–25 Jul)
  • SD: Structures and Deduction (LICS, 24–25 Jul)
  • SMT: Satisfiability Modulo Theories (IJCAR, 24–25 Jul)
  • WiL: Women in Logic (LICS, 24–25 Jul)
  • Lean: Lean Workshop (ITP, 25 Jul)
  • RocqWS: Rocqshop (ITP, 25 Jul)
  • SYNT: Synthesis (CAV, 25 Jul)
  • VeriProP: Verification of Probabilistic Programs (CAV, 25 Jul)

3. Competitions

Competition Affiliated Week
SAT Competition SAT 1
MaxSAT Evaluation SAT 1
MiniZinc Challenge CP 1
CASC-J13 (ATP) IJCAR 2
SMT-Comp IJCAR 2
SYNTCOMP (Reactive Synthesis) CAV 2
VNN-COMP (Neural Network Verification) SAIV/CAV 2

4. Relevance to site research

Thread Relevant events
Type systems LICS (HoTT, cubical), ITP, Lean workshop, RocqWS
Keeler theorem LICS (proof irrelevance), ITP (Lean proofs)
Reversible transforms LICS (algebraic effects), FSCD, MSFP
Dafny interop CAV, VeriProP
TLA+ system design CAV, SYNT
Annotation systems LFMTP (meta-languages)

5. Logistics

  • Location: Lisbon, Portugal
  • Full span: 13–29 July 2026
  • Week 1 (conferences): 20–23 Jul
  • Week 2 (conferences): 26–29 Jul
  • Website: https://www.floc26.org/