{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NN3J6STMEXOF3DCTXSU7IB5WH3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"6a899289c7473cba45ec657c44df131a34460c011260cfbcc0d382b989f41113","cross_cats_sorted":["cs.SC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2017-12-05T16:19:21Z","title_canon_sha256":"468f445e1b0d8952a9ac9d744f8afd9e2327f4a12f8c06bd7605d8999c053d54"},"schema_version":"1.0","source":{"id":"1712.01734","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01734","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01734v1","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01734","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"pith_short_12","alias_value":"NN3J6STMEXOF","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NN3J6STMEXOF3DCT","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NN3J6STM","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:756b26f518c37434dfd4b939679f136a50070dc0bbef0e4a273c8ce9022e19fa","target":"graph","created_at":"2026-05-18T00:28:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In this paper we present a counter-example guided abstraction and approximation refinement (CEGAAR) technique for {\\em partial predicate abstraction}, which combines predicate abstraction and fixpoint approximations for model checking infinite-state systems. The proposed approach incrementally considers growing sets of predicates for abstraction refinement. The novelty of the approach stems from recognizing source of the imprecision: abstraction or approximation. We use Craig interpolation to deal with imprecision due to abstraction. In the case of imprecision due to approximation, we delay ap","authors_text":"Tuba Yavuz","cross_cats":["cs.SC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2017-12-05T16:19:21Z","title":"Partial Predicate Abstraction and Counter-Example Guided Refinement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01734","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:19909b7711b2061140b129fc1b74bdf29469ce2961a9e760f5a40de7528ef61d","target":"record","created_at":"2026-05-18T00:28:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"6a899289c7473cba45ec657c44df131a34460c011260cfbcc0d382b989f41113","cross_cats_sorted":["cs.SC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2017-12-05T16:19:21Z","title_canon_sha256":"468f445e1b0d8952a9ac9d744f8afd9e2327f4a12f8c06bd7605d8999c053d54"},"schema_version":"1.0","source":{"id":"1712.01734","kind":"arxiv","version":1}},"canonical_sha256":"6b769f4a6c25dc5d8c53bca9f407b63ee597146dbb1b65960ba38b6832d98498","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b769f4a6c25dc5d8c53bca9f407b63ee597146dbb1b65960ba38b6832d98498","first_computed_at":"2026-05-18T00:28:47.720081Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:47.720081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+qbUWylSMWkKfGX8B9QPqe0UapdRBLUA9P1OkAeae39q3Gp4aIT2sX6Nwyh9gMz6nZIRP5CrNQ5JVHuhajcSBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:47.720680Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01734","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19909b7711b2061140b129fc1b74bdf29469ce2961a9e760f5a40de7528ef61d","sha256:756b26f518c37434dfd4b939679f136a50070dc0bbef0e4a273c8ce9022e19fa"],"state_sha256":"a53b6fccd2613492a77228ba90a4673cc305a49f70511b1bbbd5268974517fa4"}