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DescriptionQ647
Q647DVASIC interview problem

Constrain unique increasing addresses

TechniquesRandomizationforeachOrdering
DifficultyEasy
TopicConstraints
LanguageSystemVerilog
Requirements3 checkpoints
01

Problem

Randomize eight addresses from 0 through 1023 in strictly increasing order.

Example input and output

Use this case to check your interpretation
Input
randomize exactly eight addresses in inclusive range 0..1023
Output
One valid result: [4, 19, 103, 255, 511, 700, 900, 1023]
Explanation

All eight addresses are in range and each is strictly greater than its predecessor; many other increasing sequences are valid.

02

Requirements (3)

  • Every address must stay inside the legal range.
  • Each address after the first must exceed its predecessor.
  • Do not add a redundant uniqueness constraint.