{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:RXAS6DMQOTQGDYXDK4ACVYBZP2","short_pith_number":"pith:RXAS6DMQ","schema_version":"1.0","canonical_sha256":"8dc12f0d9074e061e2e357002ae0397e9eb8a094fd3240d9be7eebdd38d5d63c","source":{"kind":"arxiv","id":"2605.14872","version":1},"attestation_state":"computed","paper":{"title":"String Solving with Stabilization and Transducers (Technical Report)","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"Generalizing stabilization to transducers handles relational string constraints efficiently by reducing costly length operations.","cross_cats":["cs.LO"],"primary_cat":"cs.FL","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","submitted_at":"2026-05-14T14:18:40Z","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"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":true,"formal_links_present":true},"canonical_record":{"source":{"id":"2605.14872","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.FL","submitted_at":"2026-05-14T14:18:40Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"8c99d8e841989361a953f85a175fc46e65b1861a08f7dc915050269a79d10d24","abstract_canon_sha256":"3edf737b6692d6606490efebca69e094719558473d506c52da64198f492468eb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:38:56.129811Z","signature_b64":"fpq1epi5bYhOUbr7v6bx89m9cqEXnh2yDQ+gyQ0ybAbNOcyJOn16iJ3m7KSN9JCo63HbktPcBi/7SuT9otv2Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8dc12f0d9074e061e2e357002ae0397e9eb8a094fd3240d9be7eebdd38d5d63c","last_reissued_at":"2026-05-17T23:38:56.128972Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:38:56.128972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"String Solving with Stabilization and Transducers (Technical Report)","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"Generalizing stabilization to transducers handles relational string constraints efficiently by reducing costly length operations.","cross_cats":["cs.LO"],"primary_cat":"cs.FL","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","submitted_at":"2026-05-14T14:18:40Z","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"},"claims":{"count":4,"items":[{"kind":"strongest_claim","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.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the transducer encoding and length-constraint reductions preserve soundness and completeness while the new heuristics do not miss solutions on realistic inputs.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","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.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Generalizing stabilization to transducers handles relational string constraints efficiently by reducing costly length operations.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"575495160beb33de71a8efd223dad3f6ccd24b416dd78991951e1362ac46bc58"},"source":{"id":"2605.14872","kind":"arxiv","version":1},"verdict":{"id":"545a2762-8b0c-47a1-a0b9-be9abb37e418","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T03:01:36.414749Z","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.","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","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.","pith_extraction_headline":"Generalizing stabilization to transducers handles relational string constraints efficiently by reducing costly length operations."},"references":{"count":50,"sample":[{"doi":"","year":2024,"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","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2025,"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","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1145/3062341.3062384","year":2017,"title":"In: Co- hen, A., Vechev, M.T","work_id":"f75713d0-c271-4139-8262-42be71bc2aef","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2014,"title":"In: Biere, A., Bloem, R","work_id":"67565f65-daf4-418b-ac29-194fae316862","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1007/978-3-319-08867-9_10","year":2014,"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","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":50,"snapshot_sha256":"ccebb0b1a3adc8bb1cef458f8ca7df1e4956f0c8cc9a53890289ed152fe9d42f","internal_anchors":0},"formal_canon":{"evidence_count":2,"snapshot_sha256":"dd4360bf0bdba04d1f88c533742f17b66f472e3f2efd9fac3db334aba49059ea"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2605.14872","created_at":"2026-05-17T23:38:56.129110+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.14872v1","created_at":"2026-05-17T23:38:56.129110+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.14872","created_at":"2026-05-17T23:38:56.129110+00:00"},{"alias_kind":"pith_short_12","alias_value":"RXAS6DMQOTQG","created_at":"2026-05-18T12:33:37.589309+00:00"},{"alias_kind":"pith_short_16","alias_value":"RXAS6DMQOTQGDYXD","created_at":"2026-05-18T12:33:37.589309+00:00"},{"alias_kind":"pith_short_8","alias_value":"RXAS6DMQ","created_at":"2026-05-18T12:33:37.589309+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":2,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RXAS6DMQOTQGDYXDK4ACVYBZP2","json":"https://pith.science/pith/RXAS6DMQOTQGDYXDK4ACVYBZP2.json","graph_json":"https://pith.science/api/pith-number/RXAS6DMQOTQGDYXDK4ACVYBZP2/graph.json","events_json":"https://pith.science/api/pith-number/RXAS6DMQOTQGDYXDK4ACVYBZP2/events.json","paper":"https://pith.science/paper/RXAS6DMQ"},"agent_actions":{"view_html":"https://pith.science/pith/RXAS6DMQOTQGDYXDK4ACVYBZP2","download_json":"https://pith.science/pith/RXAS6DMQOTQGDYXDK4ACVYBZP2.json","view_paper":"https://pith.science/paper/RXAS6DMQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.14872&json=true","fetch_graph":"https://pith.science/api/pith-number/RXAS6DMQOTQGDYXDK4ACVYBZP2/graph.json","fetch_events":"https://pith.science/api/pith-number/RXAS6DMQOTQGDYXDK4ACVYBZP2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RXAS6DMQOTQGDYXDK4ACVYBZP2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RXAS6DMQOTQGDYXDK4ACVYBZP2/action/storage_attestation","attest_author":"https://pith.science/pith/RXAS6DMQOTQGDYXDK4ACVYBZP2/action/author_attestation","sign_citation":"https://pith.science/pith/RXAS6DMQOTQGDYXDK4ACVYBZP2/action/citation_signature","submit_replication":"https://pith.science/pith/RXAS6DMQOTQGDYXDK4ACVYBZP2/action/replication_record"}},"created_at":"2026-05-17T23:38:56.129110+00:00","updated_at":"2026-05-17T23:38:56.129110+00:00"}