Simulation Results: otbn

 
19/08/2026 21:14:37 DVSim: v1.50.1 sha: e688e72 json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 90.98 %
  • code
  • 85.91 %
  • assert
  • 90.00 %
  • func
  • 97.03 %
  • block
  • 99.24 %
  • line
  • 99.45 %
  • branch
  • 94.58 %
  • toggle
  • 83.42 %
  • FSM
  • 66.20 %
Validation stages
V1
100.00%
V2
92.86%
V2S
92.00%
V3
0.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 2 2 100.00
otbn_smoke 12.000s 151.814us 1 1 100.00
otbn_smoke_vectorized 10.000s 28.019us 1 1 100.00
single_binary 1 1 100.00
otbn_single 16.000s 76.530us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 4.000s 81.652us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 4.000s 23.455us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 8.000s 381.026us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 4.000s 14.973us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 6.000s 35.440us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 4.000s 23.455us 1 1 100.00
otbn_csr_aliasing 4.000s 14.973us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 197.000s 25789.227us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 20.000s 173.552us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 52.000s 115.904us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 79.000s 657.543us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 32.000s 222.897us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 156.000s 352.893us 1 1 100.00
lc_escalation 0 1 0.00
otbn_escalate 4.000s 1.510us 0 1 0.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 9.000s 49.909us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 9.000s 212.332us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 5.000s 14.785us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 4.000s 11.821us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 7.000s 316.574us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 7.000s 316.574us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 4.000s 81.652us 1 1 100.00
otbn_csr_rw 4.000s 23.455us 1 1 100.00
otbn_csr_aliasing 4.000s 14.973us 1 1 100.00
otbn_same_csr_outstanding 6.000s 16.729us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 4.000s 81.652us 1 1 100.00
otbn_csr_rw 4.000s 23.455us 1 1 100.00
otbn_csr_aliasing 4.000s 14.973us 1 1 100.00
otbn_same_csr_outstanding 6.000s 16.729us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 12.000s 15.968us 1 1 100.00
otbn_dmem_err 10.000s 14.447us 1 1 100.00
internal_integrity 3 4 75.00
otbn_alu_bignum_mod_err 10.000s 53.325us 1 1 100.00
otbn_controller_ispr_rdata_err 15.000s 47.168us 1 1 100.00
otbn_mac_bignum_acc_err 11.000s 25.275us 1 1 100.00
otbn_urnd_err 9.000s 9.584us 0 1 0.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 7.000s 29.704us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 9.000s 21.004us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 7.000s 48.480us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
otbn_tl_intg_err 32.000s 141.664us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 82.000s 255.189us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 12.000s 151.814us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 10.000s 14.447us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 12.000s 15.968us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 32.000s 141.664us 1 1 100.00
sec_cm_controller_fsm_global_esc 0 1 0.00
otbn_escalate 4.000s 1.510us 0 1 0.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 12.000s 15.968us 1 1 100.00
otbn_dmem_err 10.000s 14.447us 1 1 100.00
otbn_zero_state_err_urnd 9.000s 49.909us 1 1 100.00
otbn_illegal_mem_acc 7.000s 29.704us 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 16.000s 76.530us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 12.000s 15.968us 1 1 100.00
otbn_dmem_err 10.000s 14.447us 1 1 100.00
otbn_zero_state_err_urnd 9.000s 49.909us 1 1 100.00
otbn_illegal_mem_acc 7.000s 29.704us 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 0 1 0.00
otbn_escalate 4.000s 1.510us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 12.000s 15.968us 1 1 100.00
otbn_dmem_err 10.000s 14.447us 1 1 100.00
otbn_zero_state_err_urnd 9.000s 49.909us 1 1 100.00
otbn_illegal_mem_acc 7.000s 29.704us 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 16.000s 76.530us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 10.000s 33.781us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 10.000s 160.318us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 69.000s 112.899us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 69.000s 112.899us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 16.000s 35.266us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 11.000s 1035.219us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 11.000s 21.717us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 11.000s 21.717us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 8.000s 14.074us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 16.000s 76.530us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 16.000s 76.530us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 16.000s 76.530us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 32.000s 222.897us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 16.000s 76.530us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 16.000s 76.530us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 16.000s 375.401us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 16.000s 76.530us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 232.000s 6412.742us 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 209.000s 799.400us 0 1 0.00

Error Messages

   Test seed line log context
UVM_ERROR (otbn_scoreboard.sv:322) [scoreboard] Check failed item.d_data == exp_read_data.val (* [*] vs * [*]) value for register otbn_reg_block.status 1 test run
otbn_escalate 88362289000682648717566511059140107818871747360959669799142310537861388945063 112
UVM_INFO @ 1510390 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_FATAL (otbn_base_vseq.sv:349) [otbn_imem_err_vseq] Check failed (!cfg.under_reset) 1 test run
otbn_stress_all_with_rand_reset 64951519050659580732131008768851474200053138657433961706306431858071889172169 182
UVM_INFO @ 799399990 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 115727340676759962058239175844652097715134068228197388122341939843689806936835 116
UVM_ERROR @ 9584383 ps: (otbn_idle_checker.sv:196) [ASSERT FAILED] NotRunningWhenLocked_A
UVM_INFO @ 9584383 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---