{"id":"https://openalex.org/W7134247153","doi":"https://doi.org/10.48550/arxiv.2603.06107","title":"Real-World Fault Detection for C-Extended Python Projects with Automated Unit Test Generation","display_name":"Real-World Fault Detection for C-Extended Python Projects with Automated Unit Test Generation","publication_year":2026,"publication_date":"2026-03-06","ids":{"openalex":"https://openalex.org/W7134247153","doi":"https://doi.org/10.48550/arxiv.2603.06107"},"language":"en","primary_location":{"id":"pmh:oai:pure.unamur.be:openaire/261c3f22-65ee-4d12-9e60-e1294ad0f9c4","is_oa":true,"landing_page_url":"https://researchportal.unamur.be/en/publications/261c3f22-65ee-4d12-9e60-e1294ad0f9c4","pdf_url":null,"source":{"id":"https://openalex.org/S4406922457","display_name":"Repository of the University of Namur","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Berg, L, Krodinger, L, Lukasczyk, S, Panichella, A, Fraser, G, Vanhoof, W & Devroey, X 2026, 'Real-World Fault Detection for C-Extended Python Projects with Automated Unit Test Generation', Paper presented at 19th IEEE International Conference on Software Testing, Verification and Validation (ICST) 2026, Daejeon, Korea, Republic of, 18/05/26 - 22/05/26. https://doi.org/10.48550/arXiv.2603.06107","raw_type":"info:eu-repo/semantics/conferenceObject"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://researchportal.unamur.be/en/publications/261c3f22-65ee-4d12-9e60-e1294ad0f9c4","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012447652","display_name":"Lucas Arantes Berg","orcid":"https://orcid.org/0000-0002-8777-0125"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Berg, Lucas","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128420440","display_name":"Lukas Krodinger","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Krodinger, Lukas","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020418691","display_name":"Stephan Lukasczyk","orcid":"https://orcid.org/0000-0002-0092-3476"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lukasczyk, Stephan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125273722","display_name":"Annibale Panichella","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Panichella, Annibale","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128539459","display_name":"Gordon Fraser","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fraser, Gordon","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006632551","display_name":"Wim Vanhoof","orcid":"https://orcid.org/0000-0003-3769-6294"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Vanhoof, Wim","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5083555577","display_name":"Xavier Devroey","orcid":"https://orcid.org/0000-0002-0831-7606"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Devroey, Xavier","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":true,"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/T10743","display_name":"Software Testing and Debugging Techniques","score":0.9484000205993652,"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"}},"topics":[{"id":"https://openalex.org/T10743","display_name":"Software Testing and Debugging Techniques","score":0.9484000205993652,"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/T10260","display_name":"Software Engineering Research","score":0.01889999955892563,"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/T12127","display_name":"Software System Performance and Reliability","score":0.008799999952316284,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/python","display_name":"Python (programming language)","score":0.8503000140190125},{"id":"https://openalex.org/keywords/unit-testing","display_name":"Unit testing","score":0.7001000046730042},{"id":"https://openalex.org/keywords/crash","display_name":"Crash","score":0.5489000082015991},{"id":"https://openalex.org/keywords/fault-detection-and-isolation","display_name":"Fault detection and isolation","score":0.5342000126838684},{"id":"https://openalex.org/keywords/code-coverage","display_name":"Code coverage","score":0.44839999079704285},{"id":"https://openalex.org/keywords/interpreter","display_name":"Interpreter","score":0.424699991941452},{"id":"https://openalex.org/keywords/test-suite","display_name":"Test suite","score":0.3650999963283539}],"concepts":[{"id":"https://openalex.org/C519991488","wikidata":"https://www.wikidata.org/wiki/Q28865","display_name":"Python (programming language)","level":2,"score":0.8503000140190125},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7213000059127808},{"id":"https://openalex.org/C148027188","wikidata":"https://www.wikidata.org/wiki/Q907375","display_name":"Unit testing","level":3,"score":0.7001000046730042},{"id":"https://openalex.org/C183469790","wikidata":"https://www.wikidata.org/wiki/Q333501","display_name":"Crash","level":2,"score":0.5489000082015991},{"id":"https://openalex.org/C152745839","wikidata":"https://www.wikidata.org/wiki/Q5438153","display_name":"Fault detection and isolation","level":3,"score":0.5342000126838684},{"id":"https://openalex.org/C53942775","wikidata":"https://www.wikidata.org/wiki/Q1211721","display_name":"Code coverage","level":3,"score":0.44839999079704285},{"id":"https://openalex.org/C122783720","wikidata":"https://www.wikidata.org/wiki/Q183065","display_name":"Interpreter","level":2,"score":0.424699991941452},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.38019999861717224},{"id":"https://openalex.org/C151552104","wikidata":"https://www.wikidata.org/wiki/Q7705809","display_name":"Test suite","level":4,"score":0.3650999963283539},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.33250001072883606},{"id":"https://openalex.org/C141842801","wikidata":"https://www.wikidata.org/wiki/Q363815","display_name":"Automatic test equipment","level":3,"score":0.33079999685287476},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3221000134944916},{"id":"https://openalex.org/C128942645","wikidata":"https://www.wikidata.org/wiki/Q1568346","display_name":"Test case","level":3,"score":0.3059000074863434},{"id":"https://openalex.org/C126953365","wikidata":"https://www.wikidata.org/wiki/Q5438152","display_name":"Fault coverage","level":3,"score":0.2971999943256378},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.29499998688697815},{"id":"https://openalex.org/C182122060","wikidata":"https://www.wikidata.org/wiki/Q6752328","display_name":"Manual testing","level":5,"score":0.28189998865127563},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.2800999879837036},{"id":"https://openalex.org/C106159264","wikidata":"https://www.wikidata.org/wiki/Q17146789","display_name":"Random testing","level":4,"score":0.27309998869895935},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.27129998803138733},{"id":"https://openalex.org/C109852812","wikidata":"https://www.wikidata.org/wiki/Q2406355","display_name":"Test harness","level":5,"score":0.26579999923706055},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.26269999146461487}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:pure.unamur.be:openaire/261c3f22-65ee-4d12-9e60-e1294ad0f9c4","is_oa":true,"landing_page_url":"https://researchportal.unamur.be/en/publications/261c3f22-65ee-4d12-9e60-e1294ad0f9c4","pdf_url":null,"source":{"id":"https://openalex.org/S4406922457","display_name":"Repository of the University of Namur","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Berg, L, Krodinger, L, Lukasczyk, S, Panichella, A, Fraser, G, Vanhoof, W & Devroey, X 2026, 'Real-World Fault Detection for C-Extended Python Projects with Automated Unit Test Generation', Paper presented at 19th IEEE International Conference on Software Testing, Verification and Validation (ICST) 2026, Daejeon, Korea, Republic of, 18/05/26 - 22/05/26. https://doi.org/10.48550/arXiv.2603.06107","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:doi:10.48550/arxiv.2603.06107","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"publisher-specific-oa","license_id":"https://openalex.org/licenses/publisher-specific-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"doi:10.48550/arxiv.2603.06107","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.06107","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:pure.unamur.be:openaire/261c3f22-65ee-4d12-9e60-e1294ad0f9c4","is_oa":true,"landing_page_url":"https://researchportal.unamur.be/en/publications/261c3f22-65ee-4d12-9e60-e1294ad0f9c4","pdf_url":null,"source":{"id":"https://openalex.org/S4406922457","display_name":"Repository of the University of Namur","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Berg, L, Krodinger, L, Lukasczyk, S, Panichella, A, Fraser, G, Vanhoof, W & Devroey, X 2026, 'Real-World Fault Detection for C-Extended Python Projects with Automated Unit Test Generation', Paper presented at 19th IEEE International Conference on Software Testing, Verification and Validation (ICST) 2026, Daejeon, Korea, Republic of, 18/05/26 - 22/05/26. https://doi.org/10.48550/arXiv.2603.06107","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.6476775407791138}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320326734","display_name":"Wallonie-Bruxelles International","ror":"https://ror.org/008vsyy18"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Many":[0],"popular":[1,199],"Python":[2,24,200],"libraries":[3,201],"use":[4,132],"C-extensions":[5],"for":[6,129,166,179],"performance-critical":[7],"operations":[8],"allowing":[9],"users":[10],"to":[11,51,131,155,210],"combine":[12],"the":[13,16,26,48,82,91,101,110,116,147,171,183],"best":[14],"of":[15,23,28,32,90,97,100,115,182,194,208],"two":[17],"worlds:":[18],"The":[19],"simplicity":[20],"and":[21,25,46,94,112,174,214],"versatility":[22],"performance":[27],"C.":[29],"A":[30],"drawback":[31],"this":[33,105],"approach":[34],"is":[35],"that":[36],"exceptions":[37],"raised":[38],"in":[39,71,77,138],"C":[40],"can":[41,80],"bypass":[42],"Python's":[43],"exception":[44],"handling":[45],"cause":[47],"entire":[49],"interpreter":[50],"crash.":[52],"These":[53],"crashes":[54,76],"are":[55],"real":[56],"faults":[57],"if":[58],"they":[59],"occur":[60],"when":[61],"calling":[62],"a":[63,143,191],"public":[64],"API.":[65],"While":[66],"automated":[67,124,206],"test":[68,83,125,137,148,164,177],"generation":[69,111,127,149,178],"should,":[70],"principle,":[72],"detect":[73,157],"such":[74,158],"faults,":[75,159,173],"native":[78],"code":[79],"halt":[81],"process":[84,150],"entirely,":[85],"preventing":[86],"detection":[87],"or":[88],"reproduction":[89],"underlying":[92,172],"errors":[93],"inhibiting":[95],"coverage":[96],"non-crashing":[98,180],"parts":[99,181],"code.":[102,184],"To":[103,185],"overcome":[104],"problem,":[106],"we":[107,189],"propose":[108],"separating":[109],"execution":[113],"stages":[114],"test-generation":[117],"process.":[118],"We":[119],"therefore":[120],"adapt":[121],"Pynguin,":[122],"an":[123,139],"case":[126],"tool":[128],"Python,":[130],"subprocess-execution.":[133],"Executing":[134],"each":[135],"generated":[136],"isolated":[140],"subprocess":[141],"prevents":[142],"crash":[144,218],"from":[145,197],"halting":[146],"itself.":[151],"This":[152],"allows":[153],"us":[154],"(1)":[156],"(2)":[160],"generate":[161],"reproducible":[162],"crash-revealing":[163],"cases":[165],"them,":[167],"(3)":[168],"allow":[169],"studying":[170],"(4)":[175],"enable":[176],"evaluate":[186],"our":[187],"approach,":[188],"created":[190],"dataset":[192],"consisting":[193],"1648":[195],"modules":[196,213],"21":[198],"with":[202],"C-extensions.":[203],"Subprocess-execution":[204],"allowed":[205],"testing":[207],"up":[209],"56.5%":[211],"more":[212],"discovered":[215],"213":[216],"unique":[217],"causes,":[219],"revealing":[220],"32":[221],"previously":[222],"unknown":[223],"faults.":[224]},"counts_by_year":[],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2026-03-10T00:00:00"}
