{"schema_version":6,"evaluation":{"evaluation_date":"2026-08-11","suppression_sources":[{"path":".bifrost/suppressions.json","state":"not_found"},{"path":".bifrost/suppressions.private.json","state":"not_found"},{"path":".bifrost/suppressions.local.json","state":"not_found"}],"scope_path":".bifrost/policy-scope.json","scope_document_state":"not_found"},"execution":{"total_elapsed_ms":0,"stage_timings":[],"termination":null,"terminal_stage":null,"active_policy_id":null,"completed_policy_ids":[],"pending_policy_ids":[]},"rules":[{"policy_id":"dataflowbench.taint.core-python-kernel","policy_hash":"740135661ee1b88dcb5142b1e1d8bf513bf6900116c27e8082afe8861f988e8a","analysis_type":"taint","policy_schema":{"version":1,"origin":"explicit"},"selector_schemas":[{"path":"/analysis/sinks/entries/sink/selector","resolution":{"version":1,"origin":"explicit"}},{"path":"/analysis/sources/entries/input/selector","resolution":{"version":1,"origin":"explicit"}}],"endpoint_dependencies":[{"identity":{"type":"local","policy_id":"dataflowbench.taint.core-python-kernel","entry_id":"input"},"definition_schema":{"type":"policy_document","resolution":{"version":1,"origin":"explicit"}},"selector_path":"/analysis/sources/entries/input/selector","selector_schema":{"version":1,"origin":"explicit"},"model":{"role":"source","display_name":"benchmark input","categories":["input.user-controlled"],"binding":{"type":"return_value"},"taint":{"type":"source","labels":["attacker-controlled"],"threat_model":null,"evidence":null},"supersedes":[]},"semantic_hash":"3ca2f3abbbf3ea560a52ccea2b2dfb88f2d00c6c4e6bf99d2f076f4963b8f997","analysis_projection_hash":"aa808115d48beeaa1ebf33beef3087c49a77e13c1e0b7ad936c4e3ece77bd6d3","origins":[{"type":"policy_local","path":"/analysis/sources/entries/input"}]},{"identity":{"type":"local","policy_id":"dataflowbench.taint.core-python-kernel","entry_id":"sink"},"definition_schema":{"type":"policy_document","resolution":{"version":1,"origin":"explicit"}},"selector_path":"/analysis/sinks/entries/sink/selector","selector_schema":{"version":1,"origin":"explicit"},"model":{"role":"sink","display_name":"benchmark sink","categories":["data.sensitive"],"binding":{"type":"argument_index","index":0},"taint":{"type":"sink","accepts":["attacker-controlled"],"tags":[],"impacts":[]},"supersedes":[]},"semantic_hash":"f235a77f76a6bc435c10a98856e00fb80ae4177dabe836a15fb0aeb5a364a1e7","analysis_projection_hash":"81fbf2ba07c31d1597642cf9907082197bdee6d309910ae66e645469d6122cf6","origins":[{"type":"policy_local","path":"/analysis/sinks/entries/sink"}]}],"match_directory_manifests":[],"endpoint_set_dependencies":[],"precedence_manifest":{"edges":[]},"name":"DataFlowBench Python propagation kernel","message":{"type":"static","text":"Controlled input reaches the benchmark sink"},"severity":{"type":"fixed","level":"warning"},"description":null,"help_uri":null,"tags":[]}],"runs":[{"policy_id":"dataflowbench.taint.core-python-kernel","policy_hash":"740135661ee1b88dcb5142b1e1d8bf513bf6900116c27e8082afe8861f988e8a","analysis_type":"taint","completion":{"type":"complete"},"findings":[{"id":"cc37bb3cd9e0658e5c7d73f3c671ac81650ac04dde1ebc458597f7d0d4aae34a","identity_stability":"strong","policy_id":"dataflowbench.taint.core-python-kernel","policy_hash":"740135661ee1b88dcb5142b1e1d8bf513bf6900116c27e8082afe8861f988e8a","analysis_type":"taint","severity":"warning","message":"Controlled input reaches the benchmark sink","classification":{"type":"unclassified"},"certainty":{"type":"definite"},"completeness":{"type":"complete"},"primary":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"related":[{"relationship":"source","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"evidence_refs":[]}],"related_truncated":false,"omitted_related_locations_lower_bound":0,"evidence":{"type":"taint","evidence":{"analysis_finding_id":"bifrost:eee15bd8bb547229cf73db03b0040742d0d640a580579ee14b4cdc6e6405d897","anchor":{"type":"strong","sink_identity":{"namespace":"python","path":"argument_position.py","derivation":"canonical_ast_identity","semantic_key":"[[\"file\",\"argument_position.py\"],[\"function\",\"run\"],[\"program_point\",null]]"},"sink_site_ordinal":0,"source_endpoint_analysis_projection_hash":"aa808115d48beeaa1ebf33beef3087c49a77e13c1e0b7ad936c4e3ece77bd6d3","sink_endpoint_analysis_projection_hash":"81fbf2ba07c31d1597642cf9907082197bdee6d309910ae66e645469d6122cf6","source_scenario_set_hash":"60928216424a6b7d33cb275182cc6c9e24485a4bcd8cd646a7cb0f543d902a1b"},"sink":"bifrost:d6a6b5e12f5b232e5cd001bafeee53079e56b7e397358a3edfd31dcfef583ec7","source_endpoint":{"type":"local","policy_id":"dataflowbench.taint.core-python-kernel","entry_id":"input"},"sink_endpoint":{"type":"local","policy_id":"dataflowbench.taint.core-python-kernel","entry_id":"sink"},"source_display_name":"benchmark input","source_threat_model":null,"sink_display_name":"benchmark sink","source_categories":["input.user-controlled"],"sink_categories":["data.sensitive"],"selected_combination":null,"sink_tags":[],"sink_impacts":[],"reached_source_labels":["attacker-controlled"],"origins":[{"source_endpoint":{"type":"local","policy_id":"dataflowbench.taint.core-python-kernel","entry_id":"input"},"source_label":"attacker-controlled","source_threat_model":null,"source_evidence":null,"primary":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"scenario_id":"bifrost:3b5a8248483afbb40fcef531d1d345d04f2c05d0f2cbdac22d0eb93d5b20b593:source-event:0","evidence_refs":["bifrost:e62b158475d7627faf2ed5cff6e6d69cb1c4b90ee6c3ad1e9f43ffe7a4dcc0cc"],"certainty":{"type":"definite"}}],"origins_truncated":false,"source_scenarios":["bifrost:3b5a8248483afbb40fcef531d1d345d04f2c05d0f2cbdac22d0eb93d5b20b593:source-event:0"],"source_scenarios_truncated":false,"omitted_source_scenarios_lower_bound":0,"source_scenario_set_hash":"60928216424a6b7d33cb275182cc6c9e24485a4bcd8cd646a7cb0f543d902a1b","witness_refs":["bifrost:d6045fc1ed8fbd94b1b725ffcde82bca488d984faa61d1ba79d0c08cb7a63939","bifrost:e76eae2a420d722484cb98473bea95887621da3acb19e21736f0786d7d02b8fa","bifrost:ecb8e29caaaea391d74080a0a98fe94081ac2b507712b82148c16dbae4ee71ce"],"witness_refs_truncated":false,"projection_facts_hash":"059d796743d1749ef0d7f1a0c2474a61784418d8bb489058856f7d4227031ffd"}},"evidence_refs_truncated":false,"omitted_evidence_refs_lower_bound":0,"cvss":null,"organizational_risk":null,"proof":{"state":"proven","reasons":[{"type":"dataflow_witness"}],"evidence_refs":[]},"witnesses":[{"id":"bifrost:d6045fc1ed8fbd94b1b725ffcde82bca488d984faa61d1ba79d0c08cb7a63939","steps":[{"kind":"source","location":{"path":"argument_position.py","byte_span":{"start":240,"end":320},"region":{"start_line":13,"start_column":1,"end_line":15,"end_column":21}},"label":"taint source","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":240,"end":320},"region":{"start_line":13,"start_column":1,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":320},"region":{"start_line":14,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":299},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":299},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":291,"end":298},"region":{"start_line":14,"start_column":41,"end_line":14,"end_column":48}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":291,"end":298},"region":{"start_line":14,"start_column":41,"end_line":14,"end_column":48}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":80,"end":169},"region":{"start_line":5,"start_column":1,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":157,"end":169},"region":{"start_line":6,"start_column":5,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":157,"end":169},"region":{"start_line":6,"start_column":5,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":164,"end":169},"region":{"start_line":6,"start_column":12,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":157,"end":169},"region":{"start_line":6,"start_column":5,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":80,"end":169},"region":{"start_line":5,"start_column":1,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":299},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":261},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":11}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":313,"end":319},"region":{"start_line":15,"start_column":14,"end_line":15,"end_column":20}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]}],"truncated":false,"omitted_steps_lower_bound":0,"retained_bytes":4856},{"id":"bifrost:e76eae2a420d722484cb98473bea95887621da3acb19e21736f0786d7d02b8fa","steps":[{"kind":"source","location":{"path":"argument_position.py","byte_span":{"start":240,"end":320},"region":{"start_line":13,"start_column":1,"end_line":15,"end_column":21}},"label":"taint source","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":240,"end":320},"region":{"start_line":13,"start_column":1,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":320},"region":{"start_line":14,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":299},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":299},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":291,"end":298},"region":{"start_line":14,"start_column":41,"end_line":14,"end_column":48}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":291,"end":298},"region":{"start_line":14,"start_column":41,"end_line":14,"end_column":48}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":80,"end":169},"region":{"start_line":5,"start_column":1,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":157,"end":169},"region":{"start_line":6,"start_column":5,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":157,"end":169},"region":{"start_line":6,"start_column":5,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":164,"end":169},"region":{"start_line":6,"start_column":12,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":157,"end":169},"region":{"start_line":6,"start_column":5,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":80,"end":169},"region":{"start_line":5,"start_column":1,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":299},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":261},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":11}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":313,"end":319},"region":{"start_line":15,"start_column":14,"end_line":15,"end_column":20}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]}],"truncated":false,"omitted_steps_lower_bound":0,"retained_bytes":4856},{"id":"bifrost:ecb8e29caaaea391d74080a0a98fe94081ac2b507712b82148c16dbae4ee71ce","steps":[{"kind":"source","location":{"path":"argument_position.py","byte_span":{"start":240,"end":320},"region":{"start_line":13,"start_column":1,"end_line":15,"end_column":21}},"label":"taint source","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":240,"end":320},"region":{"start_line":13,"start_column":1,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":320},"region":{"start_line":14,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":299},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":299},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":291,"end":298},"region":{"start_line":14,"start_column":41,"end_line":14,"end_column":48}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":291,"end":298},"region":{"start_line":14,"start_column":41,"end_line":14,"end_column":48}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":80,"end":169},"region":{"start_line":5,"start_column":1,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":157,"end":169},"region":{"start_line":6,"start_column":5,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":157,"end":169},"region":{"start_line":6,"start_column":5,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":164,"end":169},"region":{"start_line":6,"start_column":12,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":157,"end":169},"region":{"start_line":6,"start_column":5,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":80,"end":169},"region":{"start_line":5,"start_column":1,"end_line":6,"end_column":17}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":299},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":49}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":261},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":11}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":313,"end":319},"region":{"start_line":15,"start_column":14,"end_line":15,"end_column":20}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"taint propagation","evidence_refs":[]}],"truncated":false,"omitted_steps_lower_bound":0,"retained_bytes":4856}],"witnesses_truncated":false,"omitted_witnesses_lower_bound":0,"display_path":{"schema_version":1,"representative_witness_id":"bifrost:d6045fc1ed8fbd94b1b725ffcde82bca488d984faa61d1ba79d0c08cb7a63939","witness_ids":["bifrost:d6045fc1ed8fbd94b1b725ffcde82bca488d984faa61d1ba79d0c08cb7a63939","bifrost:e76eae2a420d722484cb98473bea95887621da3acb19e21736f0786d7d02b8fa","bifrost:ecb8e29caaaea391d74080a0a98fe94081ac2b507712b82148c16dbae4ee71ce"],"steps":[{"kind":"source","location":{"path":"argument_position.py","byte_span":{"start":277,"end":289},"region":{"start_line":14,"start_column":27,"end_line":14,"end_column":39}},"label":"dfb_source()"},{"kind":"call","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"choose_first(dfb_source(), \"clean\")"},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":164,"end":169},"region":{"start_line":6,"start_column":12,"end_line":6,"end_column":17}},"label":"first"},{"kind":"return","location":{"path":"argument_position.py","byte_span":{"start":264,"end":299},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":49}},"label":"return from choose_first(dfb_source(), \"clean\")"},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":255,"end":261},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":11}},"label":"result"},{"kind":"propagation","location":{"path":"argument_position.py","byte_span":{"start":313,"end":319},"region":{"start_line":15,"start_column":14,"end_line":15,"end_column":20}},"label":"result"},{"kind":"sink","location":{"path":"argument_position.py","byte_span":{"start":304,"end":320},"region":{"start_line":15,"start_column":5,"end_line":15,"end_column":21}},"label":"dfb_sink(result)"}],"canonical_incomplete":false,"omitted_meaningful_steps":0,"alternatives_truncated":false,"omitted_alternative_paths_lower_bound":0,"omitted_witnesses_lower_bound":0},"suppression":null,"scope":null}],"diagnostics":[],"diagnostics_truncated":false,"obligations":[],"obligations_truncated":false,"omitted_obligations_lower_bound":0,"work":{"scanned_files":2,"scanned_source_bytes":642,"fact_nodes":86,"pipeline_rows":2,"examined_references":0,"retained_findings":1,"omitted_findings_lower_bound":0,"retained_report_bytes":25850,"metrics":[{"name":"taint.attribution_attempts","unit":"count","value":3},{"name":"taint.attribution_candidate_exhaustions","unit":"count","value":0},{"name":"taint.attribution_expansions","unit":"count","value":81},{"name":"taint.attribution_run_exhaustions","unit":"count","value":0},{"name":"taint.attribution_steps","unit":"count","value":75},{"name":"taint.compiled_sink_endpoints","unit":"count","value":1},{"name":"taint.compiled_source_endpoints","unit":"count","value":1},{"name":"taint.propagation_shared_memberships","unit":"count","value":0},{"name":"taint.propagation_solves","unit":"count","value":1},{"name":"taint.selector_scans","unit":"count","value":2},{"name":"taint.semantic_cumulative_allocations","unit":"rows","value":0},{"name":"taint.semantic_cumulative_blocks","unit":"rows","value":25},{"name":"taint.semantic_cumulative_call_sites","unit":"rows","value":12},{"name":"taint.semantic_cumulative_captures","unit":"rows","value":0},{"name":"taint.semantic_cumulative_control_edges","unit":"rows","value":41},{"name":"taint.semantic_cumulative_events","unit":"rows","value":135},{"name":"taint.semantic_cumulative_evidence","unit":"rows","value":84},{"name":"taint.semantic_cumulative_gaps","unit":"rows","value":54},{"name":"taint.semantic_cumulative_memory_locations","unit":"rows","value":0},{"name":"taint.semantic_cumulative_nested_entries","unit":"rows","value":719},{"name":"taint.semantic_cumulative_owned_text_bytes","unit":"bytes","value":3733},{"name":"taint.semantic_cumulative_procedures","unit":"rows","value":11},{"name":"taint.semantic_cumulative_program_points","unit":"rows","value":144},{"name":"taint.semantic_cumulative_source_bytes","unit":"bytes","value":963},{"name":"taint.semantic_cumulative_source_mappings","unit":"rows","value":55},{"name":"taint.semantic_cumulative_values","unit":"rows","value":73},{"name":"taint.semantic_handle_identity_reuses","unit":"count","value":0},{"name":"taint.semantic_materialized_files","unit":"count","value":2},{"name":"taint.semantic_peak_retained_bytes","unit":"bytes","value":3733},{"name":"taint.semantic_peak_row_dimension","unit":"rows","value":671},{"name":"taint.semantic_peak_traversal_steps","unit":"count","value":15},{"name":"taint.semantic_program_points","unit":"rows","value":144},{"name":"taint.semantic_resident_peak_allocations","unit":"rows","value":0},{"name":"taint.semantic_resident_peak_blocks","unit":"rows","value":25},{"name":"taint.semantic_resident_peak_call_sites","unit":"rows","value":3},{"name":"taint.semantic_resident_peak_captures","unit":"rows","value":0},{"name":"taint.semantic_resident_peak_control_edges","unit":"rows","value":41},{"name":"taint.semantic_resident_peak_events","unit":"rows","value":45},{"name":"taint.semantic_resident_peak_evidence","unit":"rows","value":55},{"name":"taint.semantic_resident_peak_gaps","unit":"rows","value":9},{"name":"taint.semantic_resident_peak_memory_locations","unit":"rows","value":0},{"name":"taint.semantic_resident_peak_nested_entries","unit":"rows","value":386},{"name":"taint.semantic_resident_peak_owned_text_bytes","unit":"bytes","value":3726},{"name":"taint.semantic_resident_peak_procedures","unit":"rows","value":4},{"name":"taint.semantic_resident_peak_program_points","unit":"rows","value":48},{"name":"taint.semantic_resident_peak_retained_bytes","unit":"bytes","value":3726},{"name":"taint.semantic_resident_peak_source_bytes","unit":"bytes","value":321},{"name":"taint.semantic_resident_peak_source_mappings","unit":"rows","value":55},{"name":"taint.semantic_resident_peak_values","unit":"rows","value":24},{"name":"taint.semantic_result_contract_artifact_leases","unit":"count","value":0},{"name":"taint.semantic_root_work_peak_allocations","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_blocks","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_call_sites","unit":"rows","value":6},{"name":"taint.semantic_root_work_peak_captures","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_control_edges","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_events","unit":"rows","value":58},{"name":"taint.semantic_root_work_peak_evidence","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_gaps","unit":"rows","value":45},{"name":"taint.semantic_root_work_peak_memory_locations","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_nested_entries","unit":"rows","value":285},{"name":"taint.semantic_root_work_peak_owned_text_bytes","unit":"bytes","value":7},{"name":"taint.semantic_root_work_peak_procedures","unit":"rows","value":1},{"name":"taint.semantic_root_work_peak_program_points","unit":"rows","value":50},{"name":"taint.semantic_root_work_peak_source_bytes","unit":"bytes","value":321},{"name":"taint.semantic_root_work_peak_source_mappings","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_values","unit":"rows","value":22},{"name":"taint.semantic_snapshot_materializations","unit":"count","value":4},{"name":"taint.semantic_source_bytes","unit":"bytes","value":642},{"name":"taint.semantic_traversal_steps","unit":"count","value":24},{"name":"taint.store_key_budget_hits","unit":"count","value":0},{"name":"taint.store_key_direct_literals","unit":"count","value":0},{"name":"taint.store_key_operands","unit":"count","value":0},{"name":"taint.store_key_recovered","unit":"count","value":0},{"name":"taint.store_key_unproven","unit":"count","value":0},{"name":"taint.store_key_work","unit":"count","value":0}]},"engine":{"icfg":{"reason":"language:python"}}}],"suppressions":[],"scope":[],"packs":{"document_path":".bifrost/packs.json","dependency_mode":"default","ecosystems":["python"],"complete":true,"decisions":[{"pack":"bifrost.python-stdlib","status":"rejected","reason":"python: the workspace declares no CPython version in .python-version, pyproject.toml, setup.cfg or setup.py"}],"decisions_truncated":false},"diagnostics":[],"diagnostics_truncated":false,"omitted_diagnostics_lower_bound":0,"worst_omitted_diagnostic_severity":null}