Microsoft Terminator

Terminator, a research project at Microsoft Research, is an automated program analyzer that aims to find whether a program can run infinitely (called a termination analysis). It supports nested loops and recursive functions, pointers and side-effects, and function-pointers as well as concurrent programs. Like all programs for termination analysis it tries to solve the halting problem for particular cases, since the general problem is undecidable. It provides a solution which is sound, meaning that when it states that a program does always terminate, the result is dependable.