@techreport{hauzar:hal-01271174, TITLE = {{Counterexamples from proof failures in the SPARK program verifier}}, AUTHOR = {Hauzar, David and March{\'e}, Claude and Moy, Yannick}, URL = {https://inria.hal.science/hal-01271174}, TYPE = {Research Report}, NUMBER = {RR-8854}, PAGES = {22}, INSTITUTION = {{Inria}}, YEAR = {2016}, MONTH = Feb, KEYWORDS = {Formal Specification ; Deductive Verification ; Formal Proof ; Counterexamples ; Program Ver- ifiers Why3 and SPARK}, PDF = {https://inria.hal.science/hal-01271174/file/RR-8854.pdf}, HAL_ID = {hal-01271174}, HAL_VERSION = {v1}, }