Recall Lecture 03a

Syntactic Rules for Hoare Logic - We derive syntactic rules that do not directly refer to semantics of commands as relations.

Forward Symbolic Execution - How to combine program execution and strongest postconditions.

A glimpse of data-flow analysis:

• Control-Flow Graph Definition
• Decomposing Complex Expressions
• If Statements to CFG
• While Statements to CFG
• Sets of States at Each Program Point
• Range Analysis Example