{"id":"https://openalex.org/W7125208519","doi":"https://doi.org/10.48550/arxiv.2601.13713","title":"SWE-Tester: Training Open-Source LLMs for Issue Reproduction in Real-World Repositories","display_name":"SWE-Tester: Training Open-Source LLMs for Issue Reproduction in Real-World Repositories","publication_year":2026,"publication_date":"2026-01-20","ids":{"openalex":"https://openalex.org/W7125208519","doi":"https://doi.org/10.48550/arxiv.2601.13713"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2601.13713","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2601.13713","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2601.13713","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5123492534","display_name":"Aditya Bharat Soni","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Soni, Aditya Bharat","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123501157","display_name":"Rajat Ghosh","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ghosh, Rajat","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123496630","display_name":"Vaishnavi Bhargava","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bhargava, Vaishnavi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088847857","display_name":"Valerie Chen","orcid":"https://orcid.org/0009-0007-2783-0265"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen, Valerie","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5113845539","display_name":"Debojyoti Dutta","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dutta, Debojyoti","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10260","display_name":"Software Engineering Research","score":0.633899986743927,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10260","display_name":"Software Engineering Research","score":0.633899986743927,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10743","display_name":"Software Testing and Debugging Techniques","score":0.32190001010894775,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10430","display_name":"Software Engineering Techniques and Practices","score":0.013799999840557575,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/correctness","display_name":"Correctness","score":0.5956000089645386},{"id":"https://openalex.org/keywords/correctness","display_name":"Correctness","score":0.5956000089645386},{"id":"https://openalex.org/keywords/reproduction","display_name":"Reproduction","score":0.5730000138282776},{"id":"https://openalex.org/keywords/reproduction","display_name":"Reproduction","score":0.5730000138282776},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.421099990606308},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.421099990606308},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.41749998927116394},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.41749998927116394},{"id":"https://openalex.org/keywords/training","display_name":"Training (meteorology)","score":0.40560001134872437},{"id":"https://openalex.org/keywords/training","display_name":"Training (meteorology)","score":0.40560001134872437}],"concepts":[{"id":"https://openalex.org/C55439883","wikidata":"https://www.wikidata.org/wiki/Q360812","display_name":"Correctness","level":2,"score":0.5956000089645386},{"id":"https://openalex.org/C55439883","wikidata":"https://www.wikidata.org/wiki/Q360812","display_name":"Correctness","level":2,"score":0.5956000089645386},{"id":"https://openalex.org/C59659247","wikidata":"https://www.wikidata.org/wiki/Q11990","display_name":"Reproduction","level":2,"score":0.5730000138282776},{"id":"https://openalex.org/C59659247","wikidata":"https://www.wikidata.org/wiki/Q11990","display_name":"Reproduction","level":2,"score":0.5730000138282776},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5432999730110168},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.421099990606308},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.421099990606308},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.41749998927116394},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.41749998927116394},{"id":"https://openalex.org/C2777211547","wikidata":"https://www.wikidata.org/wiki/Q17141490","display_name":"Training (meteorology)","level":2,"score":0.40560001134872437},{"id":"https://openalex.org/C2777211547","wikidata":"https://www.wikidata.org/wiki/Q17141490","display_name":"Training (meteorology)","level":2,"score":0.40560001134872437},{"id":"https://openalex.org/C117447612","wikidata":"https://www.wikidata.org/wiki/Q1412670","display_name":"Software quality","level":4,"score":0.4032000005245209},{"id":"https://openalex.org/C117447612","wikidata":"https://www.wikidata.org/wiki/Q1412670","display_name":"Software quality","level":4,"score":0.4032000005245209},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.3953999876976013},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.3953999876976013},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.38429999351501465},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.38429999351501465},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.34220001101493835},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.34220001101493835},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.3158000111579895},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.3158000111579895},{"id":"https://openalex.org/C112930515","wikidata":"https://www.wikidata.org/wiki/Q4389547","display_name":"Risk analysis (engineering)","level":1,"score":0.31360000371932983},{"id":"https://openalex.org/C112930515","wikidata":"https://www.wikidata.org/wiki/Q4389547","display_name":"Risk analysis (engineering)","level":1,"score":0.31360000371932983},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3025999963283539},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3025999963283539},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2946999967098236},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2946999967098236},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.2822999954223633},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.2822999954223633},{"id":"https://openalex.org/C548217200","wikidata":"https://www.wikidata.org/wiki/Q251","display_name":"Java","level":2,"score":0.28110000491142273},{"id":"https://openalex.org/C548217200","wikidata":"https://www.wikidata.org/wiki/Q251","display_name":"Java","level":2,"score":0.28110000491142273},{"id":"https://openalex.org/C529173508","wikidata":"https://www.wikidata.org/wiki/Q638608","display_name":"Software development","level":3,"score":0.2797999978065491},{"id":"https://openalex.org/C529173508","wikidata":"https://www.wikidata.org/wiki/Q638608","display_name":"Software development","level":3,"score":0.2797999978065491},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.2712000012397766},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.2712000012397766},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.2689000070095062},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.2689000070095062},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.25780001282691956},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.25780001282691956},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25209999084472656}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2601.13713","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2601.13713","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2601.13713","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2601.13713","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Software":[0],"testing":[1],"is":[2],"crucial":[3],"for":[4,45,60,84,162],"ensuring":[5],"the":[6,47,157],"correctness":[7],"and":[8,41,108,117,132,151],"reliability":[9],"of":[10,15,49,71,100,114,125,159],"software":[11],"systems.":[12],"Automated":[13],"generation":[14],"issue":[16,22,51,90],"reproduction":[17,91],"tests":[18],"from":[19,103],"natural":[20],"language":[21],"descriptions":[23],"enhances":[24],"developer":[25],"productivity":[26],"by":[27],"simplifying":[28],"root":[29],"cause":[30],"analysis,":[31],"promotes":[32],"test-driven":[33],"development":[34],"--":[35,80],"\"test":[36],"first,":[37],"write":[38],"code":[39],"later\",":[40],"can":[42],"be":[43],"used":[44],"improving":[46],"effectiveness":[48,158],"automated":[50],"resolution":[52],"systems":[53],"like":[54],"coding":[55],"agents.":[56],"Existing":[57],"methods":[58],"proposed":[59],"this":[61,167],"task":[62],"predominantly":[63],"rely":[64],"on":[65,137],"closed-source":[66],"LLMs,":[67],"with":[68,145],"limited":[69],"exploration":[70],"open":[72],"models.":[73,153],"To":[74],"address":[75],"this,":[76],"we":[77,94],"propose":[78],"SWE-Tester":[79],"a":[81,96],"novel":[82],"pipeline":[83],"training":[85,98],"open-source":[86,105,164],"LLMs":[87,113,165],"to":[88,111,127],"generate":[89],"tests.":[92],"First,":[93],"curate":[95],"high-quality":[97],"dataset":[99],"41K":[101],"instances":[102],"2.6K":[104],"GitHub":[106],"repositories":[107],"use":[109],"it":[110],"train":[112],"varying":[115],"sizes":[116],"families.":[118],"The":[119],"fine-tuned":[120],"models":[121],"achieve":[122],"absolute":[123],"improvements":[124,144],"up":[126],"10\\%":[128],"in":[129,134,166],"success":[130],"rate":[131],"21\\%":[133],"change":[135],"coverage":[136],"SWT-Bench":[138],"Verified.":[139],"Further":[140],"analysis":[141],"shows":[142],"consistent":[143],"increased":[146],"inference-time":[147],"compute,":[148],"more":[149],"data,":[150],"larger":[152],"These":[154],"results":[155],"highlight":[156],"our":[160],"framework":[161],"advancing":[163],"domain.":[168]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-01-22T00:00:00"}