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Course contents

  • How to Use This Puzzle Bank
  • SystemVerilog Language Puzzles25
  • Difficulty Guide
  • Full Topic Map
  • Interview-Day Tips
  • Study Route: One Week Before the Interview
  • Study Route: Two Weeks
  • Study Route: Four Weeks (Full Course)4
  • OOP & Testbench Puzzles25
  • Concurrency & Timing Puzzles25
  • Randomization & Constraint Puzzles25
  • SVA Assertion Puzzles25
    • Sequence Puzzles
    • Implication Puzzles
    • Temporal Corner Puzzles
    • Assertion Debug Puzzles
      • disable iff Reset Glitch Hides a Lost Grant
      • Multiclock Ack Visibility
      • Weak vs Strong at End of Simulation
      • Overlapping Attempts Share One Grant
      • $rose Consumed During Reset
      • Intersect Requirement in Dual Checks
    • SVA Assertion Puzzles: Tricky Q&A
  • Functional Coverage Puzzles25
  • Logic & Aptitude Puzzles25
  • Scenario & Debug Puzzles25
  • UVM Testbench Puzzles25
  • Clock, Reset & CDC Puzzles25
  • Bus and Interface Protocol Puzzles25
  • Interview Prep: Puzzle Rounds7
  • DV Puzzle Cheatsheet
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←SVA Assertion Puzzles
  1. Topics
  2. DV Interview Puzzles
  3. SVA Assertion Puzzles
  4. Assertion Debug Puzzles
On this page

    VLSI DV Interview PuzzlesAll levels

    Assertion Debug Puzzles

    Debugging real assertion failures and false confidence from reset masking, multiclock sampling, and vacuous threads.

    • 6topics
    • 6lessons

    Topics in this section

    1. 1disable iff Reset Glitch Hides a Lost Grant1 lesson
    2. 2Multiclock Ack Visibility1 lesson
    3. 3Weak vs Strong at End of Simulation1 lesson
    4. 4Overlapping Attempts Share One Grant1 lesson
    5. 5$rose Consumed During Reset1 lesson
    6. 6Intersect Requirement in Dual Checks1 lesson

    About this puzzle set

    Debugging real assertion failures and false confidence from reset masking, multiclock sampling, and vacuous threads.

    Puzzles in this topic

    Diagram
    1. disable iff Reset Glitch Hides a Lost Grant  [Medium]
    2. Multiclock Ack Visibility  [Hard]
    3. Weak vs Strong at End of Simulation  [Hard]
    4. Overlapping Attempts Share One Grant  [Medium]
    5. $rose Consumed During Reset  [Medium]
    6. Intersect Requirement in Dual Checks  [Medium]

    Work each puzzle before reading the solution: predict the exact output or answer, name the rule that governs it, then check yourself.

    Related topics

    • SVA Assertion Puzzles section

    • VLSI DV Interview Puzzles hub

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    See also

    • Sequence Puzzles
    • Implication Puzzles
    • Temporal Corner Puzzles