[log] route {'task_type': 'optimize', 'correctness_stages': ['csim'], 'initial_level': 1, 'budget': 20, 'token_mode': 'full'}
[log] pre_csim_review {'attempt': 1}
[log] kb_search {'query': [], 'hits': 0, 'hit_ids': []}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 7.8, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] review {'verdict': 'reject', 'retry': 0, 'issues': 'FAIL  \nConcrete issue:  \n- The kernel processes only `N / VEC` whole blocks (computed as `BLOCKS`), but if N is not an exact multiple of `VEC_UNROLL`, it silently ignores the remaining `N % VEC` eleme'}
[log] heartbeat {'stage': 'llm', 'age_s': 1.1, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 20}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 7.9, 'stale': False, 'credit_remaining': 20}
[log] review {'verdict': 'pass', 'retry': 1, 'issues': 'PASS'}
[log] pre_csim_fix_applied {'note': 'LLM found issues before first csim'}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 6.9, 'credit_spent': 1, 'log': ''}
[log] phase_exit {'phase': 'correctness', 'result': 'ok', 'best_level': 1}
[log] heartbeat {'stage': 'synth', 'age_s': 2.9, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 19}
[log] tool_result {'kind': 'synth', 'phase': 'timeout', 'ok': False, 'elapsed_s': 600.1, 'credit_spent': 5, 'log': "\n****** vitis-run v2025.2 (64-bit)\n  **** SW Build 6295257 on 2025-11-13-01:29:13\n  **** Start of session at: Sat Jul 25 22:00:19 2026\n    ** Copyright 1986-2022 Xilinx, Inc. All Rights Reserved.\n    ** Copyright 2022-2025 Advanced Micro Devices, Inc. All Rights Reserved.\n\n  **** HLS Build v2025.2 6295257\nSourcing Tcl script '/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/run_hls.tcl'\nINFO: [HLS 200-1510] Running: open_project synth_proj \nWARNING: [HLS 200-2182] The 'synth_proj' project will not automatically appear within Vitis IDE workspaces and is meant only for TCL batch use.  Please use open_component instead of open_project/open_solution to generate Vitis IDE compatible component files and directory structure.\nResolution: For help on HLS 200-2182 see docs.amd.com/access/sources/dita/topic?Doc_Version=2025.2%20English&url=ug1448-hls-guidance&resourceid=200-2182.html\nINFO: [HLS 200-10] Creating and opening solution '/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj'.\nINFO: [HLS 200-1510] Running: add_files vecadd.cpp \nINFO: [HLS 200-10] Adding design file 'vecadd.cpp' to the project\nINFO: [HLS 200-1510] Running: open_solution sol -flow_target vivado \nINFO: [HLS 200-10] Creating and opening solution '/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol'.\nINFO: [HLS 200-1505] Using flow_target 'vivado'\nResolution: For help on HLS 200-1505 see docs.amd.com/access/sources/dita/topic?Doc_Version=2025.2%20English&url=ug1448-hls-guidance&resourceid=200-1505.html\nINFO: [HLS 200-1510] Running: set_top vecadd \nINFO: [HLS 200-1510] Running: set_part xcu55c-fsvh2892-2L-e \nINFO: [HLS 200-1611] Setting target device to 'xcu55c-fsvh2892-2L-e'\nINFO: [HLS 200-1510] Running: create_clock -period 5.0 -name clk_default \nINFO: [SYN 201-201] Setting up clock 'clk_default' with a period of 5ns.\nINFO: [HLS 200-1510] Running: config_compile -unsafe_math_optimizations \nINFO: [XFORM 203-1172] Optimizing floating point zeros and discarding its signedness.\nINFO: [XFORM 203-1176] Optimizing floating point comparison without checking NaN.\nINFO: [XFORM 203-1173] Reordering floating point operations aggressively.\nINFO: [HLS 200-1510] Running: csynth_design \nINFO: [HLS 200-111] Finished File checks and directory preparation: CPU user time: 0.07 seconds. CPU system time: 0.09 seconds. Elapsed time: 0.16 seconds; current allocated memory: 463.836 MB.\nINFO: [HLS 200-2191] C-Synthesis will use clang-16 as the compiler\nINFO: [HLS 200-10] Analyzing design file 'vecadd.cpp' ... \nINFO: [HLS 200-111] Finished Source Code Analysis and Preprocessing: CPU user time: 0.33 seconds. CPU system time: 0.27 seconds. Elapsed time: 0.61 seconds; current allocated memory: 465.707 MB.\nINFO: [HLS 200-777] Using interface defaults for 'Vivado' flow target.\nINFO: [HLS 200-1995] There were 23 instructions in the design after the 'Compile/Link' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 28,673 instructions in the design after the 'Unroll/Inline (step 1)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 28,670 instructions in the design after the 'Unroll/Inline (step 2)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 28,670 instructions in the design after the 'Unroll/Inline (step 3)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 28,670 instructions in the design after the 'Unroll/Inline (step 4)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nWARNING: [HLS 200-1995] There were 114,689 instructions in the design after the 'Array/Struct (step 1)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 28,673 instructions in the design after the 'Array/Struct (step 2)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 28,673 instructions in the design after the 'Array/Struct (step 3)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 28,673 instructions in the design after the 'Array/Struct (step 4)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 28,673 instructions in the design after the 'Array/Struct (step 5)' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/synth_2/synth_proj/sol/syn/report/csynth_design_size.rpt:2)\nINFO: [HLS 200-1995] There were 28,673 instructions in the design after the 'Performance' phase of compilation. See the Design Size Report for more details (/home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/agent/s\n... [1124188 chars elided] ...\nvecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_467_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11231', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_468_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11255', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_469_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11279', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_470_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11303', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_471_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11327', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_472_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11351', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_473_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11375', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_474_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11399', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_475_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11423', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_476_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11447', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_477_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11471', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_478_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11495', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_479_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11519', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_480_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11543', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_481_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11567', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_482_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11591', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_483_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11615', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_484_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11639', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_485_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11663', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_486_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11687', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_487_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11711', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_488_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11735', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_489_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11759', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_490_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11783', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_491_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11807', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_492_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11831', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_493_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11855', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_494_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11879', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_495_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11903', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_496_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11927', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_497_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11951', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_498_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11975', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_499_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_11999', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_500_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12023', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_501_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12047', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_502_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12071', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_503_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12095', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_504_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12119', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_505_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12143', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_506_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12167', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_507_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12191', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_508_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12215', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_509_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12239', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_510_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12263', vecadd.cpp:13 32 bit on array 'c_7', 'store' operation ('c_7_addr_511_write_ln13', vecadd.cpp:13) of variable 'bitcast_ln13_12287', vecadd.cpp:13 32 bit on array 'c_7' accessing core:RAM:c_7\n\n"}
[log] kb_search {'query': ['[HLS 200-1510]', '[HLS 200-2182]', '[HLS 200-10]', '[HLS 200-1505]', '[HLS 200-1611]', '[XFORM 203-1172]', '[XFORM 203-1176]', '[XFORM 203-1173]', '[HLS 200-111]', '[HLS 200-2191]', '[HLS 200-777]', '[HLS 200-1995]'], 'hits': 0, 'hit_ids': []}
[log] heartbeat {'stage': 'llm', 'age_s': 2.8, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 1.2, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 15}
[log] review {'verdict': 'pass', 'retry': 0, 'issues': 'PASS'}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 6.9, 'credit_spent': 6, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 2.8, 'stale': False, 'credit_remaining': 14}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 14}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 16.2, 'credit_spent': 10, 'log': ''}
[log] checkpoint {'old': 1, 'new': 2, 'latency': 1030, 'reason': 'synth_ok'}
[log] phase_exit {'phase': 'synth', 'result': 'ok', 'latency': 1030}
[log] phase_enter {'phase': 'optimize', 'best_level': 2, 'best_latency': 1030}
[log] heartbeat {'stage': 'llm', 'age_s': 6.6, 'stale': False, 'credit_remaining': 10}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 10}
[log] llm_call {'purpose': 'extract_brief', 'chars': 1072, 'prompt_tokens': 704, 'completion_tokens': 1093, 'reasoning_tokens': 869, 'model': 'deepseek-v4-pro'}
[log] design_brief {'chars': 1072}
[log] heartbeat {'stage': 'llm', 'age_s': 6.1, 'stale': False, 'credit_remaining': 10}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 10}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 10}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 10}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 10}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 10}
[log] llm_call {'purpose': 'propose_strategies', 'round': 1, 'count': 2, 'raw_head': '', 'prompt_tokens': 1022, 'completion_tokens': 3551, 'reasoning_tokens': 3152, 'model': 'deepseek-v4-pro'}
[log] heartbeat {'stage': 'llm', 'age_s': 4.3, 'stale': False, 'credit_remaining': 10}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 10}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 10}
[log] llm_call {'purpose': 'select_strategies', 'round': 1, 'prompt_tokens': 1091, 'completion_tokens': 1459, 'reasoning_tokens': 1360, 'model': 'deepseek-v4-pro'}
[log] strategy_select {'round': 1, 'indices': [0], 'picked': ['Full Unroll (factor=8)'], 'all': ['Full Unroll (factor=8)', 'Array Reshape to 8-wide Words'], 'reason': 'Full unroll by 8 doubles throughput with existing cyclic partition of 8, preserving interface and functionality.', 'rejected': [{'id': 2, 'name': 'Array Reshape to 8-wide Words', 'why': 'ARRAY_RESHAPE on top-level arrays changes the memory interface, potentially breaking the external data layout and causing scalarization of float operations, undermining the expected throughput gain.'}], 'fallback': False}
[log] heartbeat {'stage': 'llm', 'age_s': 7.8, 'stale': False, 'credit_remaining': 10}
[log] llm_call {'purpose': 'apply_strategies', 'strategies': 'Full Unroll (factor=8)', 'retry': 0, 'prompt_tokens': 1025, 'completion_tokens': 828, 'reasoning_tokens': 691, 'model': 'deepseek-v4-pro'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 4.5, 'stale': False, 'credit_remaining': 10}
[log] review {'verdict': 'pass', 'retry': 0, 'issues': 'PASS'}
[log] heartbeat {'stage': 'csim', 'age_s': 2.7, 'stale': False, 'credit_remaining': 10}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 6.9, 'credit_spent': 11, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 5.8, 'stale': False, 'credit_remaining': 9}
[log] heartbeat {'stage': 'synth', 'age_s': 10.0, 'stale': False, 'credit_remaining': 9}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 16.2, 'credit_spent': 15, 'log': ''}
[log] checkpoint {'old': 2, 'new': 2, 'old_latency': 1030, 'new_latency': 518, 'reason': 'optimize_improve'}
[log] heartbeat {'stage': 'llm', 'age_s': 9.6, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] llm_call {'purpose': 'propose_strategies', 'round': 2, 'count': 2, 'raw_head': '', 'prompt_tokens': 944, 'completion_tokens': 5569, 'reasoning_tokens': 5108, 'model': 'deepseek-v4-pro'}
[log] heartbeat {'stage': 'llm', 'age_s': 3.6, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] heartbeat {'stage': 'llm', 'age_s': 10.0, 'stale': False, 'credit_remaining': 5}
[log] llm_call {'purpose': 'select_strategies', 'round': 2, 'prompt_tokens': 1159, 'completion_tokens': 9598, 'reasoning_tokens': 9509, 'model': 'deepseek-v4-pro'}
[log] strategy_select {'round': 2, 'indices': [0], 'picked': ['Increase Unroll & Partition to 16'], 'all': ['Increase Unroll & Partition to 16', 'Array Reshape + High Unroll'], 'reason': 'Strategy 1 safely halves latency without changing interface, while Strategy 2 risks synthesis failure and breaks interface compatibility.', 'rejected': [{'id': 2, 'name': 'Array Reshape + High Unroll', 'why': 'reshape alters array data width, changing memory interface and breaking compatibility with original testbench'}], 'fallback': False}
[log] heartbeat {'stage': 'llm', 'age_s': 0.8, 'stale': False, 'credit_remaining': 5}
[log] llm_call {'purpose': 'apply_strategies', 'strategies': 'Increase Unroll & Partition to 16', 'retry': 0, 'prompt_tokens': 944, 'completion_tokens': 506, 'reasoning_tokens': 377, 'model': 'deepseek-v4-pro'}
[log] mechanical_review {'passed': True, 'issues': []}
[log] heartbeat {'stage': 'llm', 'age_s': 3.9, 'stale': False, 'credit_remaining': 5}
[log] review {'verdict': 'pass', 'retry': 0, 'issues': 'PASS'}
[log] heartbeat {'stage': 'csim', 'age_s': 5.6, 'stale': False, 'credit_remaining': 5}
[log] tool_result {'kind': 'csim', 'phase': 'pass', 'ok': True, 'rc': 0, 'elapsed_s': 7.0, 'credit_spent': 16, 'log': ''}
[log] heartbeat {'stage': 'synth', 'age_s': 8.6, 'stale': False, 'credit_remaining': 4}
[log] tool_result {'kind': 'synth', 'phase': 'pass', 'ok': True, 'elapsed_s': 17.0, 'credit_spent': 20, 'log': ''}
[log] checkpoint {'old': 2, 'new': 2, 'old_latency': 518, 'new_latency': 262, 'reason': 'optimize_improve'}
[log] budget_exhausted {'where': 'optimize', 'best_level': 2, 'best_latency': 262}
[log] phase_exit {'phase': 'optimize', 'result': 'ok', 'best_level': 2, 'best_latency': 262}
[log] cosim_recheck {'result': 'skipped_no_budget'}
[log] submit {'final_level': 2, 'final_latency': 262, 'credit_spent': 20}
=== Task vecadd_optimize [optimize, difficulty 1] ===
    budget: 20 credits | backend: deepseek

deepseek-v4-pro 15 calls | prompt=11978 completion=39541 (reasoning=37110) total=51519

--- metered tool transcript ---
  #1  [csim] pass (rc=0, 6.9s)   [spent 1/20]
  #2  [synth] timeout (rc=-1, 600.1s)   [spent 5/20]
  #3  [csim] pass (rc=0, 6.9s)   [spent 6/20]
  #4  [synth] pass (rc=0, 16.2s) | latency(worst)=1030 cyc  II=1024  clk~3.203ns  LUT=1280 FF=984 DSP=8 BRAM=0 URAM=0   [spent 10/20]
  #5  [csim] pass (rc=0, 6.9s)   [spent 11/20]
  #6  [synth] pass (rc=0, 16.2s) | latency(worst)=518 cyc  II=512  clk~2.976ns  LUT=1852 FF=1738 DSP=16 BRAM=0 URAM=0   [spent 15/20]
  #7  [csim] pass (rc=0, 7.0s)   [spent 16/20]
  #8  [synth] pass (rc=0, 17.0s) | latency(worst)=262 cyc  II=256  clk~2.976ns  LUT=3612 FF=3377 DSP=32 BRAM=0 URAM=0   [spent 20/20]
  budget 20/20 credits spent (csimx4, synthx4)

=== Grading (hidden testbench + PPA, uncharged) ===
=== Scorecard: vecadd_optimize (difficulty 1) ===
  functional (hidden TB): PASS
  synthesizable         : PASS
  baseline latency      : 4102 cyc
  candidate latency     : 262 cyc
  acceleration          : 15.66x  (opt=True)
  candidate resources   : LUT=3612 FF=3377 DSP=32 BRAM=0
  SCORE                 : 1.000

recent scores (vecadd_optimize):
  2026-07-25 22:20  SCORE 1.000  lat=262  credits=20  tokens=51519

final kernel -> /home/admin/fpga-agent/runs/deepseek-v4-pro/vecadd_optimize/final_vecadd.cpp
