AdaCore / Altran UK Ltd
SPARK 2014 is a programming language and a set of verification tools designed to meet the needs of high-assurance software development. SPARK 2014 is based on Ada 2012, both subsetting the language to remove features that defy verification, but also extending the system of contracts and aspects to support modular, formal verification.This manual is available online for free at adacore.com. This manual is printed in grayscale.