{"id":"https://openalex.org/W7164998518","doi":"https://doi.org/10.48550/arxiv.2606.17648","title":"From Brewing to Resolution: Tracing the Internal Lifecycle of Code Reasoning in LLMs","display_name":"From Brewing to Resolution: Tracing the Internal Lifecycle of Code Reasoning in LLMs","publication_year":2026,"publication_date":"2026-06-16","ids":{"openalex":"https://openalex.org/W7164998518","doi":"https://doi.org/10.48550/arxiv.2606.17648"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.17648","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.17648","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":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.2606.17648","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5126560838","display_name":"Siyue Chen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen, Siyue","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114087923","display_name":"Yifu Guo","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guo, Yifu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138809178","display_name":"Yuquan Lu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lu, Yuquan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073136550","display_name":"Zhewei Xu","orcid":"https://orcid.org/0000-0003-4718-6175"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xu, Zishan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138758266","display_name":"Jiaye Lin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lin, Jiaye","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136414422","display_name":"Jianbo Lin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lin, Jianbo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138769753","display_name":"Siyu Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Siyu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138806033","display_name":"Cheng Yang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yang, Cheng","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138829606","display_name":"Junxin Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Junxin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100680672","display_name":"Yujia Li","orcid":"https://orcid.org/0000-0002-1024-9243"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Yujia","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122311628","display_name":"Yu Huo","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Huo, Yu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5138808824","display_name":"Ruixuan Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Ruixuan","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":0.7092999815940857,"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":0.7092999815940857,"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/T10028","display_name":"Topic Modeling","score":0.08489999920129776,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10181","display_name":"Natural Language Processing Techniques","score":0.044199999421834946,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/tracing","display_name":"Tracing","score":0.671500027179718},{"id":"https://openalex.org/keywords/brewing","display_name":"Brewing","score":0.5246000289916992},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.4584999978542328},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.44020000100135803},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.4115000069141388},{"id":"https://openalex.org/keywords/variable","display_name":"Variable (mathematics)","score":0.3386000096797943}],"concepts":[{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.671500027179718},{"id":"https://openalex.org/C39699697","wikidata":"https://www.wikidata.org/wiki/Q869095","display_name":"Brewing","level":3,"score":0.5246000289916992},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5152999758720398},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.4584999978542328},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.44020000100135803},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.4115000069141388},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3725000023841858},{"id":"https://openalex.org/C182365436","wikidata":"https://www.wikidata.org/wiki/Q50701","display_name":"Variable (mathematics)","level":2,"score":0.3386000096797943},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.33169999718666077},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.3312999904155731},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.3140000104904175},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3133000135421753},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.30820000171661377},{"id":"https://openalex.org/C3020199158","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"High resolution","level":2,"score":0.2879999876022339},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.26600000262260437},{"id":"https://openalex.org/C4554734","wikidata":"https://www.wikidata.org/wiki/Q593744","display_name":"Knowledge base","level":2,"score":0.2655999958515167}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.17648","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.17648","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":"doi:10.48550/arxiv.2606.17648","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.17648","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":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/12","display_name":"Responsible consumption and production","score":0.45807427167892456}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Standard":[0],"accuracy":[1],"metrics":[2],"cannot":[3,72],"explain":[4],"why":[5],"LLMs":[6],"handle":[7],"variable":[8],"tracking":[9],"but":[10],"fail":[11],"on":[12],"semantically":[13],"equivalent":[14],"loops.":[15],"We":[16,74],"study":[17],"an":[18],"internal":[19],"lifecycle":[20,57],"of":[21,46],"code":[22],"reasoning":[23],"in":[24,111],"which":[25],"models":[26,98],"first":[27],"brew":[28],"the":[29,156,179,187],"answer,":[30],"making":[31],"it":[32,38,90],"linearly":[33],"recoverable":[34],"many":[35],"layers":[36],"before":[37],"becomes":[39],"self-decodable,":[40],"and":[41,88,102,130,154,199],"then":[42],"diverge":[43],"into":[44],"one":[45,149],"four":[47,106],"resolution":[48,171,193],"outcomes:":[49],"Resolved,":[50],"Overprocessed,":[51],"Misresolved,":[52],"or":[53],"Unresolved.":[54],"Understanding":[55],"this":[56],"matters":[58],"because":[59],"similar":[60],"task":[61,94,113],"accuracies":[62],"can":[63],"mask":[64],"fundamentally":[65],"different":[66],"failure":[67,134],"modes":[68],"that":[69,178],"surface-level":[70],"evaluation":[71],"detect.":[73],"introduce":[75],"a":[76,182],"dual":[77],"diagnostic":[78],"framework":[79],"pairing":[80],"layer-wise":[81],"linear":[82],"probing":[83],"with":[84,120,161,174,196],"Context-Stripped":[85],"Decoding":[86],"(CSD)":[87],"apply":[89],"to":[91,142,150],"six":[92],"code-reasoning":[93],"families":[95],"across":[96,166,186],"16":[97,168],"spanning":[99],"Qwen,":[100],"Llama,":[101],"DeepSeek":[103],"architectures.":[104],"All":[105],"outcomes":[107],"carry":[108],"substantial":[109],"mass":[110],"every":[112],"family:":[114],"overall":[115],"Resolved":[116,138],"is":[117,181],"only":[118],"41.5%,":[119],"multiple":[121],"tasks":[122],"below":[123],"30%.":[124],"Controlled":[125],"sweeps":[126],"over":[127],"structure,":[128],"depth,":[129],"operators":[131],"expose":[132],"task-specific":[133],"bottlenecks:":[135],"Function":[136],"Call":[137],"plunges":[139],"from":[140,148],"61.1%":[141],"2.5%":[143],"as":[144],"call":[145],"depth":[146],"increases":[147],"three.":[151],"Across":[152],"architectures":[153],"scales,":[155],"brewing":[157,163],"scaffold":[158,180],"remains":[159],"stable,":[160],"normalized":[162],"duration":[164],"24-42%":[165],"all":[167],"models,":[169],"while":[170],"success":[172,194],"varies":[173],"capability.":[175],"This":[176],"indicates":[177],"stable":[183],"empirical":[184],"regularity":[185],"tested":[188],"decoder-only":[189],"Transformer":[190],"families,":[191],"whereas":[192],"covaries":[195],"capability,":[197],"scale,":[198],"training.":[200],"Code:":[201],"https://github.com/euyis1019/llm-brewing":[202]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-18T00:00:00"}