A set of software tools designed
to support a rigorous or formal development of software
systems using the
B-Method.
The Toolkit also provides a development environment automating
the management of all associated files, ensuring that the
entire development, including code and documentation, is
always in a consistent state.
The Toolkit includes: a specification, design and code
configuration management system, including integrity and
dependency management and source file editing facilities; a
set of software specification and design analysis tools, which
includes
syntax checkers, type checkers and a specification
animator; a set of verification tools, which includes a
proof-obligation generator and automatic and interactive
provers; a set of coding tools, which includes a translator,
linker, rapid prototyping facilities and a reusable
specification/code module library; a documentation tool for
automatically producing fully cross-referenced and indexed
type-set documents from source files; a re-making tool for
automatically re-checking and re-generating specifications,
designs, code and documentation after modifications to source
files.
A normal licence costs 25,000 pounds, academic 6,250 pounds.