Contradiction Analysis for Constraint-based Random Simulation
PaperFirst seen 7/13/2026
Last seen 7/13/2026
Evidence 11 chunks
NEIGHBORHOOD
No graph connections found for this entity yet. It may appear in future ingestion runs.
explore full graph →RELATIONSHIPS
20 connectionsThe paper introduces the first non-trivial algorithm for contradiction analysis in constraint-based random simulation.
The experiments were conducted in a SystemC-based verification environment.
The paper mentions SystemVerilog as a related system using the same constraint principles.
The paper identifies over-constraining as the core problem addressed by the proposed technique.
The paper relates the contradiction analysis problem to computing minimal unsatisfiable subformulas in Boolean satisfiability.
The paper uses BDDs as the representation method for constraints in the contradiction analysis approach.
The paper uses existential quantification to abstract away constraint variables in the reformulated constraint.
The paper evaluates the contradiction analysis approach on a real-life PCIe transaction generator constraint scenario.
The paper introduces the ContradictionAnalysis algorithm as pseudo-code.
The paper implements and evaluates the approach within the SCV library framework.
University of Bremen is the primary academic institution associated with this paper.
Robert Wille is listed as an author of this paper.
Robert Siegmund is listed as an author of this paper.
Rolf Drechsler is listed as an author of this paper.
The paper is affiliated with the Institute of Computer Science at the University of Bremen.
The paper focuses on constraint-based random simulation as the target domain for the proposed technique.
The paper uses the CUDD BDD package as used in the SCV library for BDD operations.
The paper mentions Boolean Satisfiability as an analogous domain where unsat core computation is performed.
The paper mentions SoC designs as the motivation for large-scale design verification needs.
Daniel Große is listed as an author of this paper.