Simulation Results: otbn

 
14/09/2026 17:05:42 DVSim: v1.53.0 sha: 0de3053 json Branch: master Tool: xcelium [24.03-s007]
Coverage statistics
  • Total
  • 91.19 %
  • code
  • 85.28 %
  • assert
  • 89.99 %
  • func
  • 98.31 %
  • block
  • 99.24 %
  • line
  • 99.45 %
  • branch
  • 94.42 %
  • toggle
  • 82.48 %
  • FSM
  • 64.79 %
Validation stages
V1
100.00%
V2
82.35%
V2S
96.00%
V3
0.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 2 2 100.00
otbn_smoke 9.000s 70.770us 1 1 100.00
otbn_smoke_vectorized 7.000s 58.519us 1 1 100.00
single_binary 1 1 100.00
otbn_single 8.000s 96.803us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 4.000s 20.270us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 4.000s 39.583us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 6.000s 157.057us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 5.000s 23.553us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 9.000s 74.889us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 4.000s 39.583us 1 1 100.00
otbn_csr_aliasing 5.000s 23.553us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 96.000s 16479.678us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 28.000s 604.933us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 25.000s 254.429us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 92.000s 650.834us 1 1 100.00
wfi 0 3 0.00
otbn_wfi_smoke 4.000s 18.839us 0 1 0.00
otbn_wfi_sec_wipe 4.000s 19.902us 0 1 0.00
otbn_wfi_back_to_back 4.000s 8.885us 0 1 0.00
back_to_back 1 1 100.00
otbn_multi 93.000s 320.601us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 32.000s 173.995us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 6.000s 38.461us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 6.000s 21.097us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 7.000s 26.922us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 4.000s 49.846us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 3.000s 201.957us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 4.000s 127.063us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 4.000s 127.063us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 4.000s 20.270us 1 1 100.00
otbn_csr_rw 4.000s 39.583us 1 1 100.00
otbn_csr_aliasing 5.000s 23.553us 1 1 100.00
otbn_same_csr_outstanding 4.000s 89.228us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 4.000s 20.270us 1 1 100.00
otbn_csr_rw 4.000s 39.583us 1 1 100.00
otbn_csr_aliasing 5.000s 23.553us 1 1 100.00
otbn_same_csr_outstanding 4.000s 89.228us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 12.000s 125.709us 1 1 100.00
otbn_dmem_err 9.000s 46.862us 1 1 100.00
internal_integrity 3 4 75.00
otbn_alu_bignum_mod_err 8.000s 360.257us 1 1 100.00
otbn_controller_ispr_rdata_err 9.000s 119.059us 1 1 100.00
otbn_mac_bignum_acc_err 7.000s 51.579us 1 1 100.00
otbn_urnd_err 5.000s 7.421us 0 1 0.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 9.000s 37.172us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 7.000s 23.478us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 5.000s 10.675us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
otbn_tl_intg_err 14.000s 432.426us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 22.000s 191.000us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 9.000s 70.770us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 9.000s 46.862us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 12.000s 125.709us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 14.000s 432.426us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 6.000s 38.461us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 12.000s 125.709us 1 1 100.00
otbn_dmem_err 9.000s 46.862us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 21.097us 1 1 100.00
otbn_illegal_mem_acc 9.000s 37.172us 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 8.000s 96.803us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 12.000s 125.709us 1 1 100.00
otbn_dmem_err 9.000s 46.862us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 21.097us 1 1 100.00
otbn_illegal_mem_acc 9.000s 37.172us 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 6.000s 38.461us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 12.000s 125.709us 1 1 100.00
otbn_dmem_err 9.000s 46.862us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 21.097us 1 1 100.00
otbn_illegal_mem_acc 9.000s 37.172us 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 8.000s 96.803us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 7.000s 85.539us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 5.000s 24.429us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 36.000s 195.347us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 36.000s 195.347us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 8.000s 18.267us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 11.000s 68.436us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 13.000s 39.660us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 13.000s 39.660us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 26.000s 62.150us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 8.000s 96.803us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 8.000s 96.803us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 8.000s 96.803us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 93.000s 320.601us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 8.000s 96.803us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 8.000s 96.803us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 9.000s 23.678us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 8.000s 96.803us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 114.000s 1096.191us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 0 1 0.00
otbn_stress_all_with_rand_reset 9.000s 27.364us 0 1 0.00

Error Messages

   Test seed line log context
UVM_FATAL (otbn_scoreboard.sv:440) [scoreboard] Check failed model_status == * (* [*] vs * [*]) Saw instruction when not in BUSY_EXECUTE operational state. 2 test runs
otbn_wfi_smoke 80254398936255703282399143541160128502426768027878433935003334331027371908765 115
UVM_INFO @ 18838684 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_wfi_back_to_back 938120100654100952799730636298112310413890226617478532285091809281884676760 111
UVM_INFO @ 8885170 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_FATAL sequencer [SEQDEFPRI] Sequence parent_sequence has illegal priority: -* 1 test run
otbn_stress_all_with_rand_reset 23112707713551261194553861528362378565447556590711330758947264143829955637562 150
UVM_INFO @ 27363563 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 94463699000422000614196068412914615416700346810501440872713565679724594119363 114
UVM_ERROR @ 7420971 ps: (otbn_idle_checker.sv:196) [ASSERT FAILED] NotRunningWhenLocked_A
UVM_INFO @ 7420971 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
xmsim: *E,EILLEN: (File: /nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_dv_otbn_env_*/otbn_env_cov.sv, Line: *):(Time: * PS + *) Sampled value (*) for coverpoint (worklib.otbn_env_pkg::otbn_env_cov::pairwise_insn_cg@*_*.cur_cp) is an illegal value. 1 test run
otbn_wfi_sec_wipe 75824815525090986850191120760502073139876989609538217201827893374074552487251 111
UVM_FATAL @ 19902220 ps: (otbn_env_cov.sv:2728) [uvm_test_top.env.cov] Unknown encoding () for instruction `wfi'
UVM_INFO @ 19902220 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---