F415 evidence environment date_utc=2026-08-16 workspace=/home/ubuntu/code/symcc kernel=Linux 7.0.0-28-generic x86_64 llvm18=18.1.3 llvm17=17.0.6 python=3.12.3 pytest=9.1.1 llvm18_build=build llvm17_build=build-llvm17 python_gate_manifest=test/pytest-nodeids.json python_gate_manifest_sha256=29d15f5e3d20b62728b732d549592b708449a0a3dec92ae08371b331ff5c17f4 maximum_object_bytes=64 maximum_aliases_per_writer=256 maximum_load_lanes=2048 maximum_witness_alternatives=8192 maximum_induction_step=64 maximum_writer_bytes=8 writer_count_per_transfer=1..4 writer_count_per_loop=1..16 latches=2..4 transfer_semantics=mutually exclusive backedges with ordered writer sequences runtime_authority=path-local byte initialization bitmap claim_boundary=mechanism evidence only; no public coverage, solver throughput, defect yield, or end-to-end speedup claim