Simulation Results: otbn

 
11/08/2026 15:30:30 DVSim: v1.50.1 sha: 14c137f json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 89.66 %
  • code
  • 81.61 %
  • assert
  • 89.49 %
  • func
  • 97.88 %
  • block
  • 97.74 %
  • line
  • 97.93 %
  • branch
  • 81.90 %
  • toggle
  • 80.42 %
  • FSM
  • 66.20 %
Validation stages
V1
100.00%
V2
92.86%
V2S
92.00%
V3
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 2 2 100.00
otbn_smoke 12.000s 45.396us 1 1 100.00
otbn_smoke_vectorized 7.000s 73.018us 1 1 100.00
single_binary 1 1 100.00
otbn_single 7.000s 129.545us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 29.000s 26.568us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 29.000s 42.808us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 31.000s 48.846us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 29.000s 46.065us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 32.000s 64.820us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 29.000s 42.808us 1 1 100.00
otbn_csr_aliasing 29.000s 46.065us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 95.000s 1487.706us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 51.000s 1332.559us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 23.000s 211.684us 1 1 100.00
multi_error 0 1 0.00
otbn_multi_err 12.000s 28.324us 0 1 0.00
back_to_back 1 1 100.00
otbn_multi 18.000s 698.478us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 118.000s 1653.826us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 32.000s 23.549us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 7.000s 61.216us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 7.000s 52.058us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 31.000s 41.623us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 20.000s 36.845us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 6.000s 224.224us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 6.000s 224.224us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 29.000s 26.568us 1 1 100.00
otbn_csr_rw 29.000s 42.808us 1 1 100.00
otbn_csr_aliasing 29.000s 46.065us 1 1 100.00
otbn_same_csr_outstanding 5.000s 19.088us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 29.000s 26.568us 1 1 100.00
otbn_csr_rw 29.000s 42.808us 1 1 100.00
otbn_csr_aliasing 29.000s 46.065us 1 1 100.00
otbn_same_csr_outstanding 5.000s 19.088us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 28.000s 67.463us 1 1 100.00
otbn_dmem_err 31.000s 55.528us 1 1 100.00
internal_integrity 3 4 75.00
otbn_alu_bignum_mod_err 31.000s 37.166us 1 1 100.00
otbn_controller_ispr_rdata_err 35.000s 18.929us 1 1 100.00
otbn_mac_bignum_acc_err 24.000s 66.100us 1 1 100.00
otbn_urnd_err 5.000s 9.636us 0 1 0.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 27.000s 16.173us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 6.000s 44.473us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 6.000s 19.961us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
otbn_tl_intg_err 39.000s 274.750us 1 1 100.00
passthru_mem_tl_intg_err 0 1 0.00
otbn_passthru_mem_tl_intg_err 6.000s 10.755us 0 1 0.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 12.000s 45.396us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 31.000s 55.528us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 28.000s 67.463us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 39.000s 274.750us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 32.000s 23.549us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 28.000s 67.463us 1 1 100.00
otbn_dmem_err 31.000s 55.528us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 61.216us 1 1 100.00
otbn_illegal_mem_acc 27.000s 16.173us 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 7.000s 129.545us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 28.000s 67.463us 1 1 100.00
otbn_dmem_err 31.000s 55.528us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 61.216us 1 1 100.00
otbn_illegal_mem_acc 27.000s 16.173us 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 32.000s 23.549us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 28.000s 67.463us 1 1 100.00
otbn_dmem_err 31.000s 55.528us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 61.216us 1 1 100.00
otbn_illegal_mem_acc 27.000s 16.173us 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 7.000s 129.545us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 35.000s 136.738us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 6.000s 16.028us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 69.000s 1642.924us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 69.000s 1642.924us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 29.000s 132.215us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 12.000s 77.546us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 7.000s 51.196us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 7.000s 51.196us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 5.000s 25.428us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 7.000s 129.545us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 7.000s 129.545us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 7.000s 129.545us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 18.000s 698.478us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 7.000s 129.545us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 7.000s 129.545us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 7.000s 13.310us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 7.000s 129.545us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 346.000s 1641.913us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 1 1 100.00
otbn_stress_all_with_rand_reset 242.000s 3921.722us 1 1 100.00

Error Messages

   Test seed line log context
UVM_FATAL (otbn_scoreboard.sv:551) scoreboard [scoreboard] We saw a STATUS change * cycles ago that implied we'd get a recov alert but it still hasn't arrived. 2 test runs
otbn_multi_err 55743459768719234825595124709304393900382991494396277340912145408479984933403 232
UVM_INFO @ 28323583 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_passthru_mem_tl_intg_err 21253265524865670376096933465383503308098476019301470749049961937362098932809 91
UVM_INFO @ 10754818 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_dv_otbn_sva_*/otbn_idle_checker.sv,196): Assertion NotRunningWhenLocked_A has failed 1 test run
otbn_urnd_err 90712635041434217142099381140525678204907870220699639052049444671665845604443 110
UVM_ERROR @ 9636229 ps: (otbn_idle_checker.sv:196) [ASSERT FAILED] NotRunningWhenLocked_A
UVM_INFO @ 9636229 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---