Simulation Results: otbn

 
12/08/2026 19:42:27 DVSim: v1.50.1 sha: c96e07a json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 89.70 %
  • code
  • 81.73 %
  • assert
  • 89.49 %
  • func
  • 97.88 %
  • block
  • 97.71 %
  • line
  • 97.93 %
  • branch
  • 81.77 %
  • toggle
  • 81.02 %
  • FSM
  • 66.20 %
Validation stages
V1
100.00%
V2
100.00%
V2S
92.00%
V3
0.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 2 2 100.00
otbn_smoke 17.000s 795.335us 1 1 100.00
otbn_smoke_vectorized 7.000s 93.557us 1 1 100.00
single_binary 1 1 100.00
otbn_single 10.000s 216.648us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 4.000s 23.672us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 4.000s 75.032us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 6.000s 57.435us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 7.000s 39.080us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 7.000s 63.029us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 4.000s 75.032us 1 1 100.00
otbn_csr_aliasing 7.000s 39.080us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 100.000s 2967.824us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 16.000s 334.271us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 36.000s 87.509us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 60.000s 668.594us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 45.000s 124.021us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 68.000s 258.420us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 8.000s 46.336us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 9.000s 20.347us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 16.000s 331.166us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 5.000s 28.449us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 4.000s 13.308us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 4.000s 114.135us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 4.000s 114.135us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 4.000s 23.672us 1 1 100.00
otbn_csr_rw 4.000s 75.032us 1 1 100.00
otbn_csr_aliasing 7.000s 39.080us 1 1 100.00
otbn_same_csr_outstanding 4.000s 50.195us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 4.000s 23.672us 1 1 100.00
otbn_csr_rw 4.000s 75.032us 1 1 100.00
otbn_csr_aliasing 7.000s 39.080us 1 1 100.00
otbn_same_csr_outstanding 4.000s 50.195us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 14.000s 52.065us 1 1 100.00
otbn_dmem_err 8.000s 42.801us 1 1 100.00
internal_integrity 2 4 50.00
otbn_alu_bignum_mod_err 8.000s 109.598us 1 1 100.00
otbn_controller_ispr_rdata_err 10.000s 56.855us 1 1 100.00
otbn_mac_bignum_acc_err 9.000s 91.182us 0 1 0.00
otbn_urnd_err 7.000s 9.195us 0 1 0.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 8.000s 11.344us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 7.000s 68.861us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 6.000s 61.831us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
otbn_tl_intg_err 18.000s 514.486us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 25.000s 358.885us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 17.000s 795.335us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 8.000s 42.801us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 14.000s 52.065us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 18.000s 514.486us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 8.000s 46.336us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 14.000s 52.065us 1 1 100.00
otbn_dmem_err 8.000s 42.801us 1 1 100.00
otbn_zero_state_err_urnd 9.000s 20.347us 1 1 100.00
otbn_illegal_mem_acc 8.000s 11.344us 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 10.000s 216.648us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 14.000s 52.065us 1 1 100.00
otbn_dmem_err 8.000s 42.801us 1 1 100.00
otbn_zero_state_err_urnd 9.000s 20.347us 1 1 100.00
otbn_illegal_mem_acc 8.000s 11.344us 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 8.000s 46.336us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 14.000s 52.065us 1 1 100.00
otbn_dmem_err 8.000s 42.801us 1 1 100.00
otbn_zero_state_err_urnd 9.000s 20.347us 1 1 100.00
otbn_illegal_mem_acc 8.000s 11.344us 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 10.000s 216.648us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 6.000s 92.774us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 8.000s 16.668us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 23.000s 205.410us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 23.000s 205.410us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 11.000s 546.346us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 7.000s 39.139us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 9.000s 22.433us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 9.000s 22.433us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 10.000s 47.709us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 10.000s 216.648us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 10.000s 216.648us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 10.000s 216.648us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 45.000s 124.021us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 10.000s 216.648us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 10.000s 216.648us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 8.000s 16.205us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 10.000s 216.648us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 364.000s 10938.935us 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 148.000s 2667.918us 0 1 0.00

Error Messages

   Test seed line log context
UVM_ERROR (cip_base_scoreboard.sv:255) scoreboard [scoreboard] alert fatal has unexpected timeout error 1 test run
otbn_mac_bignum_acc_err 3756141713380414475017843389038524113075330776091044939559932616100252204740 118
UVM_INFO @ 91181593 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_FATAL (otbn_base_vseq.sv:349) [otbn_dmem_err_vseq] Check failed (!cfg.under_reset) 1 test run
otbn_stress_all_with_rand_reset 34962045062777321888206805348555449274608656661877955176684786167155164474107 201
UVM_INFO @ 2667917869 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 25710694357827215195738175687715759539300884847251228498891118072288755320340 113
UVM_ERROR @ 9194782 ps: (otbn_idle_checker.sv:196) [ASSERT FAILED] NotRunningWhenLocked_A
UVM_INFO @ 9194782 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---