{"id":338120,"date":"2016-12-18T22:34:08","date_gmt":"2016-12-19T06:34:08","guid":{"rendered":"https:\/\/cm-edgetun.pages.dev\/en-us\/research\/?post_type=msr-research-item&#038;p=338120"},"modified":"2018-10-16T20:17:44","modified_gmt":"2018-10-17T03:17:44","slug":"assume-guarantee-refinement-different-time-scales","status":"publish","type":"msr-research-item","link":"https:\/\/cm-edgetun.pages.dev\/en-us\/research\/publication\/assume-guarantee-refinement-different-time-scales\/","title":{"rendered":"Assume-guarantee refinement between different time scales"},"content":{"rendered":"<div id=\"kb-nav--main\" class=\"col-main has-full-enumeration\">\n<div>\n<section id=\"Abs1\" class=\"Abstract\" lang=\"en\">\n<p class=\"Para\">Refinement checking is used to verify implementations against more abstract specifications. Assume-guarantee reasoning is used to decompose refinement proofs in order to avoid state-space explosion. In previous approaches, specifications are forced to operate on the same time scale as the implementation. This may lead to unnatural specifications and inefficiencies in verification. We introduce a novel methodology for decomposing refinement proofs of temporally abstract specifications, which specify implementation requirements only at certain sampling instances in time. Our new assume-guarantee rule allows separate refinement maps for specifying functionality and timing.We present the theory for the correctness of our methodology, and illustrate it using a simple example. Support for sampling and the generalized assume-guarantee rule have been implemented in the model checker Mocha and successfully applied to verify the VGI multiprocessor dataflow chip with 6 million transistors.<\/p>\n<\/section>\n<\/div>\n<\/div>\n<div id=\"kb-nav--aside\" class=\"col-aside\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Refinement checking is used to verify implementations against more abstract specifications. Assume-guarantee reasoning is used to decompose refinement proofs in order to avoid state-space explosion. In previous approaches, specifications are forced to operate on the same time scale as the implementation. This may lead to unnatural specifications and inefficiencies in verification. We introduce a novel [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"Springer Berlin Heidelberg","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"11th International Conference, CAV\u201999","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"","msr_page_range_end":"","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"11th International Conference, CAV'99","msr_doi":"10.1007\/3-540-48683-6_20","msr_arxiv_id":"","msr_s2_paper_id":"","msr_mag_id":"","msr_pubmed_id":"","msr_other_authors":"","msr_other_contributors":"","msr_speaker":"","msr_award":"","msr_affiliation":"","msr_institution":"","msr_host":"","msr_version":"","msr_duration":"","msr_original_fields_of_study":"","msr_release_tracker_id":"","msr_s2_match_type":"","msr_citation_count_updated":"","msr_published_date":"1999-07-06","msr_highlight_text":"","msr_notes":"","msr_longbiography":"","msr_publicationurl":"http:\/\/link.springer.com\/chapter\/10.1007%2F3-540-48683-6_20","msr_external_url":"","msr_secondary_video_url":"","msr_conference_url":"","msr_journal_url":"","msr_s2_pdf_url":"","msr_year":0,"msr_citation_count":0,"msr_influential_citations":0,"msr_reference_count":0,"msr_s2_match_confidence":0,"msr_microsoftintellectualproperty":true,"msr_s2_open_access":false,"msr_s2_author_ids":[],"msr_pub_ids":[],"msr_hide_image_in_river":0,"footnotes":""},"msr-research-highlight":[],"research-area":[13547],"msr-publication-type":[193716],"msr-publisher":[],"msr-focus-area":[],"msr-locale":[268875],"msr-post-option":[],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-338120","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-systems-and-networking","msr-locale-en_us"],"msr_publishername":"Springer Berlin Heidelberg","msr_edition":"11th International Conference, CAV\u201999","msr_affiliation":"","msr_published_date":"1999-07-06","msr_host":"","msr_duration":"","msr_version":"","msr_speaker":"","msr_other_contributors":"","msr_booktitle":"","msr_pages_string":"","msr_chapter":"","msr_isbn":"","msr_journal":"","msr_volume":"","msr_number":"","msr_editors":"","msr_series":"","msr_issue":"","msr_organization":"","msr_how_published":"","msr_notes":"","msr_highlight_text":"","msr_release_tracker_id":"","msr_original_fields_of_study":"","msr_download_urls":"","msr_external_url":"","msr_secondary_video_url":"","msr_longbiography":"","msr_microsoftintellectualproperty":1,"msr_main_download":"","msr_publicationurl":"http:\/\/link.springer.com\/chapter\/10.1007%2F3-540-48683-6_20","msr_doi":"10.1007\/3-540-48683-6_20","msr_publication_uploader":[{"type":"url","title":"http:\/\/link.springer.com\/chapter\/10.1007%2F3-540-48683-6_20","viewUrl":false,"id":false,"label_id":0},{"type":"doi","title":"10.1007\/3-540-48683-6_20","viewUrl":false,"id":false,"label_id":0}],"msr_related_uploader":"","msr_citation_count":0,"msr_citation_count_updated":"","msr_s2_paper_id":"","msr_influential_citations":0,"msr_reference_count":0,"msr_arxiv_id":"","msr_s2_author_ids":[],"msr_s2_open_access":false,"msr_s2_pdf_url":null,"msr_attachments":[{"id":0,"url":"http:\/\/link.springer.com\/chapter\/10.1007%2F3-540-48683-6_20"}],"msr-author-ordering":[{"type":"text","value":"Thomas A. 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