Simulation Results: otbn

 
09/07/2026 15:30:27 DVSim: v1.49.12 sha: 527817d json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 87.41 %
  • code
  • 80.92 %
  • assert
  • 87.68 %
  • func
  • 93.64 %
  • block
  • 97.71 %
  • line
  • 97.90 %
  • branch
  • 81.75 %
  • toggle
  • 80.64 %
  • FSM
  • 63.38 %
Validation stages
V1
100.00%
V2
100.00%
V2S
88.00%
V3
0.00%
unmapped
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 8.000s 70.450us 1 1 100.00
single_binary 1 1 100.00
otbn_single 11.000s 73.763us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 27.000s 18.446us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 25.000s 23.114us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 30.000s 164.645us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 27.000s 23.492us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 28.000s 60.469us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 25.000s 23.114us 1 1 100.00
otbn_csr_aliasing 27.000s 23.492us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 72.000s 3334.969us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 39.000s 574.271us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 25.000s 285.291us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 57.000s 164.621us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 169.000s 1473.701us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 51.000s 830.355us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 29.000s 35.836us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 5.000s 60.083us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 10.000s 387.784us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 32.000s 17.733us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 22.000s 80.354us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 5.000s 310.629us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 5.000s 310.629us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 27.000s 18.446us 1 1 100.00
otbn_csr_rw 25.000s 23.114us 1 1 100.00
otbn_csr_aliasing 27.000s 23.492us 1 1 100.00
otbn_same_csr_outstanding 4.000s 28.402us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 27.000s 18.446us 1 1 100.00
otbn_csr_rw 25.000s 23.114us 1 1 100.00
otbn_csr_aliasing 27.000s 23.492us 1 1 100.00
otbn_same_csr_outstanding 4.000s 28.402us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 29.000s 22.687us 1 1 100.00
otbn_dmem_err 27.000s 17.564us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 29.000s 69.302us 1 1 100.00
otbn_controller_ispr_rdata_err 29.000s 14.297us 1 1 100.00
otbn_mac_bignum_acc_err 26.000s 63.110us 1 1 100.00
otbn_urnd_err 5.000s 10.381us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 26.000s 233.873us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 25.000s 20.764us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 11.000s 41.489us 1 1 100.00
tl_intg_err 1 2 50.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
otbn_tl_intg_err 12.000s 66.028us 1 1 100.00
passthru_mem_tl_intg_err 0 1 0.00
otbn_passthru_mem_tl_intg_err 6.000s 137.038us 0 1 0.00
prim_fsm_check 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
prim_count_check 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 8.000s 70.450us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 27.000s 17.564us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 29.000s 22.687us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 12.000s 66.028us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 29.000s 35.836us 1 1 100.00
sec_cm_controller_fsm_local_esc 4 5 80.00
otbn_imem_err 29.000s 22.687us 1 1 100.00
otbn_dmem_err 27.000s 17.564us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 60.083us 1 1 100.00
otbn_illegal_mem_acc 26.000s 233.873us 1 1 100.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_controller_fsm_sparse 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 11.000s 73.763us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 29.000s 22.687us 1 1 100.00
otbn_dmem_err 27.000s 17.564us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 60.083us 1 1 100.00
otbn_illegal_mem_acc 26.000s 233.873us 1 1 100.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_scramble_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 29.000s 35.836us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 29.000s 22.687us 1 1 100.00
otbn_dmem_err 27.000s 17.564us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 60.083us 1 1 100.00
otbn_illegal_mem_acc 26.000s 233.873us 1 1 100.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 11.000s 73.763us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 26.000s 57.786us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 7.000s 41.657us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 16.000s 103.511us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 16.000s 103.511us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 8.000s 17.814us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_stack_wr_ptr_ctr_redun 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_integrity 0 1 0.00
otbn_rf_bignum_intg_err 0.725s 0.000us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_loop_stack_ctr_redun 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 9.000s 30.764us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 9.000s 30.764us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 4.000s 49.247us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 11.000s 73.763us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 11.000s 73.763us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 11.000s 73.763us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 169.000s 1473.701us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 11.000s 73.763us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 11.000s 73.763us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 7.000s 31.115us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 11.000s 73.763us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 0 1 0.00
otbn_sec_cm 7.000s 48.977us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 0 1 0.00
otbn_stress_all_with_rand_reset 28.000s 204.643us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 7.000s 90.753us 1 1 100.00

Error Messages

   Test seed line log context
Some pass patterns missing: ['^TEST PASSED (UVM_)?CHECKS$'] 1 test run
otbn_rf_bignum_intg_err 90581779254900675112373507493481362926048233322834122962645700040377543848359 None
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/nightly/current_run/opentitan/hw/ip/otbn/dv/rig/rig/gens/bad_deep_loop.py", line 122, in _gen_loop_head
enc_bodysize, end_addr = self._pick_bodysize(insn, model.pc, program)
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
File "/nightly/current_run/opentitan/hw/ip/otbn/dv/rig/rig/gens/bad_deep_loop.py", line 67, in _pick_bodysize
assert bodysize is not None
^^^^^^^^^^^^^^^^^^^^
AssertionError
ninja: build stopped: subcommand failed.
make: *** [/nightly/current_run/opentitan/hw/dv/tools/dvsim/sim.mk:52: pre_run] Error 1
UVM_ERROR (cip_base_vseq.sv:1287) [otbn_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses. 1 test run
otbn_stress_all_with_rand_reset 102569603400743650707122775581115113855811510317175201159978335376189115876034 160
UVM_INFO @ 204642645 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_FATAL (otbn_scoreboard.sv:550) scoreboard [scoreboard] We saw a STATUS change * cycles ago that implied we'd get a fatal alert but it still hasn't arrived. 1 test run
otbn_passthru_mem_tl_intg_err 90134761260219895586802414875000871544117697562056831156906179505732007502864 91
UVM_INFO @ 137038452 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_prim_fifo_*/rtl/prim_fifo_sync.sv,224): Assertion DataKnown_A has failed 1 test run
otbn_sec_cm 115381450678597816938541999162130520594612010228350409581333642514220937417981 91
UVM_ERROR @ 48977011 ps: (prim_fifo_sync.sv:224) [ASSERT FAILED] DataKnown_A
UVM_INFO @ 48977011 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---