{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RXAS6DMQOTQGDYXDK4ACVYBZP2","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":"3edf737b6692d6606490efebca69e094719558473d506c52da64198f492468eb","cross_cats_sorted":["cs.LO"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.FL","submitted_at":"2026-05-14T14:18:40Z","title_canon_sha256":"8c99d8e841989361a953f85a175fc46e65b1861a08f7dc915050269a79d10d24"},"schema_version":"1.0","source":{"id":"2605.14872","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.14872","created_at":"2026-05-17T23:38:56Z"},{"alias_kind":"arxiv_version","alias_value":"2605.14872v1","created_at":"2026-05-17T23:38:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.14872","created_at":"2026-05-17T23:38:56Z"},{"alias_kind":"pith_short_12","alias_value":"RXAS6DMQOTQG","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"RXAS6DMQOTQGDYXD","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"RXAS6DMQ","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:1ad27ea3ecc8d119dea7e26494a3571af856860990738e0b46300fc24d4fdd7f","target":"graph","created_at":"2026-05-17T23:38:56Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"Implemented on top of Z3-Noodler, our method vastly outperforms existing solvers on benchmarks with relational constraints. It solves more instances and runs orders of magnitude faster."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"That the transducer encoding and length-constraint reductions preserve soundness and completeness while the new heuristics do not miss solutions on realistic inputs."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Generalization of Z3-Noodler's stabilization method to transducers enables efficient solving of relational string constraints and outperforms prior solvers by solving more instances orders of magnitude faster."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Generalizing stabilization to transducers handles relational string constraints efficiently by reducing costly length operations."}],"snapshot_sha256":"575495160beb33de71a8efd223dad3f6ccd24b416dd78991951e1362ac46bc58"},"formal_canon":{"evidence_count":2,"snapshot_sha256":"dd4360bf0bdba04d1f88c533742f17b66f472e3f2efd9fac3db334aba49059ea"},"paper":{"abstract_excerpt":"We generalize an efficient automata-based approach to string constraint solving, the stabilization-based method behind the solver Z3-Noodler, to support relational constraints represented by finite-state transducers (useful, for example, for modeling replaceAll constraints). We focus on an efficient treatment of length constraints by reducing the need for expensive concatenation elimination, which is a major bottleneck in automata-based string solving. We also propose powerful heuristics that significantly improve performance in practice. Implemented on top of Z3-Noodler, our method vastly out","authors_text":"David Chocholat\\'y, Juraj S\\'i\\v{c}, Luk\\'a\\v{s} Hol\\'ik, Michal \\v{S}ed\\'y, Ond\\v{r}ej Leng\\'al, Vojt\\v{e}ch Havlena","cross_cats":["cs.LO"],"headline":"Generalizing stabilization to transducers handles relational string constraints efficiently by reducing costly length operations.","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.FL","submitted_at":"2026-05-14T14:18:40Z","title":"String Solving with Stabilization and Transducers (Technical Report)"},"references":{"count":50,"internal_anchors":0,"resolved_work":50,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"SMT-COMP QF Strings, 2024 (2024),https://smt-comp.github.io/2024/ results/qf_strings-single-query/,https://smt-comp.github.io/2024/ results/qf_strings-single-query/","work_id":"35f9dba7-a74e-4406-9fe4-55a2560e1638","year":2024},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"SMT-COMP QF Strings, 2025 (2025),https://smt-comp.github.io/2025/ results/qf_slia-single-query/,https://smt-comp.github.io/2025/ results/qf_slia-single-query/","work_id":"b76c2cf5-9038-4d37-a3ca-3914ca9a2757","year":2025},{"cited_arxiv_id":"","doi":"10.1145/3062341.3062384","is_internal_anchor":false,"ref_index":3,"title":"In: Co- hen, A., Vechev, M.T","work_id":"f75713d0-c271-4139-8262-42be71bc2aef","year":2017},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"In: Biere, A., Bloem, R","work_id":"67565f65-daf4-418b-ac29-194fae316862","year":2014},{"cited_arxiv_id":"","doi":"10.1007/978-3-319-08867-9_10","is_internal_anchor":false,"ref_index":5,"title":"Springer (2014).https://doi.org/10.1007/978-3-319-08867-9_10,https: //doi.org/10.1007/978-3-319-08867-9_10","work_id":"9e6c4e88-d73c-486a-9036-23b96b2a530e","year":2014}],"snapshot_sha256":"ccebb0b1a3adc8bb1cef458f8ca7df1e4956f0c8cc9a53890289ed152fe9d42f"},"source":{"id":"2605.14872","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-15T03:01:36.414749Z","id":"545a2762-8b0c-47a1-a0b9-be9abb37e418","model_set":{"reader":"grok-4.3"},"one_line_summary":"Generalization of Z3-Noodler's stabilization method to transducers enables efficient solving of relational string constraints and outperforms prior solvers by solving more instances orders of magnitude faster.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Generalizing stabilization to transducers handles relational string constraints efficiently by reducing costly length operations.","strongest_claim":"Implemented on top of Z3-Noodler, our method vastly outperforms existing solvers on benchmarks with relational constraints. It solves more instances and runs orders of magnitude faster.","weakest_assumption":"That the transducer encoding and length-constraint reductions preserve soundness and completeness while the new heuristics do not miss solutions on realistic inputs."}},"verdict_id":"545a2762-8b0c-47a1-a0b9-be9abb37e418"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:945c25d3de47c7a7e09bce7eba924b93ee95d3725ca8333182711dd491355c27","target":"record","created_at":"2026-05-17T23:38:56Z","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":"3edf737b6692d6606490efebca69e094719558473d506c52da64198f492468eb","cross_cats_sorted":["cs.LO"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.FL","submitted_at":"2026-05-14T14:18:40Z","title_canon_sha256":"8c99d8e841989361a953f85a175fc46e65b1861a08f7dc915050269a79d10d24"},"schema_version":"1.0","source":{"id":"2605.14872","kind":"arxiv","version":1}},"canonical_sha256":"8dc12f0d9074e061e2e357002ae0397e9eb8a094fd3240d9be7eebdd38d5d63c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8dc12f0d9074e061e2e357002ae0397e9eb8a094fd3240d9be7eebdd38d5d63c","first_computed_at":"2026-05-17T23:38:56.128972Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:38:56.128972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fpq1epi5bYhOUbr7v6bx89m9cqEXnh2yDQ+gyQ0ybAbNOcyJOn16iJ3m7KSN9JCo63HbktPcBi/7SuT9otv2Aw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:38:56.129811Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.14872","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:945c25d3de47c7a7e09bce7eba924b93ee95d3725ca8333182711dd491355c27","sha256:1ad27ea3ecc8d119dea7e26494a3571af856860990738e0b46300fc24d4fdd7f"],"state_sha256":"0bd9382b76793e51af266654d726c01532d4e4369ba227e55262a4aeadcfe516"}