Simulation Results: otbn

 
07/09/2026 15:31:36 DVSim: v1.52.1 sha: 6cca8d8 json Branch: master Tool: xcelium [24.03-s007]
Coverage statistics
  • Total
  • 90.81 %
  • code
  • 86.06 %
  • assert
  • 89.76 %
  • func
  • 96.61 %
  • block
  • 99.22 %
  • line
  • 99.44 %
  • branch
  • 94.38 %
  • toggle
  • 84.22 %
  • FSM
  • 66.20 %
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 13.000s 157.697us 1 1 100.00
otbn_smoke_vectorized 9.000s 69.831us 1 1 100.00
single_binary 1 1 100.00
otbn_single 10.000s 25.651us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 13.000s 55.370us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 4.000s 40.722us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 12.000s 330.636us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 5.000s 45.075us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 8.000s 118.898us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 4.000s 40.722us 1 1 100.00
otbn_csr_aliasing 5.000s 45.075us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 108.000s 11099.630us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 33.000s 1270.095us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 48.000s 113.484us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 80.000s 755.198us 1 1 100.00
wfi 0 3 0.00
otbn_wfi_smoke 6.000s 22.667us 0 1 0.00
otbn_wfi_sec_wipe 7.000s 51.387us 0 1 0.00
otbn_wfi_back_to_back 7.000s 8.932us 0 1 0.00
back_to_back 1 1 100.00
otbn_multi 99.000s 281.307us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 25.000s 125.741us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 11.000s 96.701us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 7.000s 55.346us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 10.000s 16.485us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 6.000s 16.696us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 5.000s 15.421us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 7.000s 38.103us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 7.000s 38.103us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 13.000s 55.370us 1 1 100.00
otbn_csr_rw 4.000s 40.722us 1 1 100.00
otbn_csr_aliasing 5.000s 45.075us 1 1 100.00
otbn_same_csr_outstanding 5.000s 17.715us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 13.000s 55.370us 1 1 100.00
otbn_csr_rw 4.000s 40.722us 1 1 100.00
otbn_csr_aliasing 5.000s 45.075us 1 1 100.00
otbn_same_csr_outstanding 5.000s 17.715us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 11.000s 42.201us 1 1 100.00
otbn_dmem_err 11.000s 23.473us 1 1 100.00
internal_integrity 3 4 75.00
otbn_alu_bignum_mod_err 10.000s 203.972us 1 1 100.00
otbn_controller_ispr_rdata_err 12.000s 22.344us 1 1 100.00
otbn_mac_bignum_acc_err 49.000s 450.389us 1 1 100.00
otbn_urnd_err 11.000s 26.947us 0 1 0.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 6.000s 75.949us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 9.000s 24.917us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 7.000s 15.087us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
otbn_tl_intg_err 17.000s 144.156us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 65.000s 392.271us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 13.000s 157.697us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 11.000s 23.473us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 11.000s 42.201us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 17.000s 144.156us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 11.000s 96.701us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 11.000s 42.201us 1 1 100.00
otbn_dmem_err 11.000s 23.473us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 55.346us 1 1 100.00
otbn_illegal_mem_acc 6.000s 75.949us 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 10.000s 25.651us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 11.000s 42.201us 1 1 100.00
otbn_dmem_err 11.000s 23.473us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 55.346us 1 1 100.00
otbn_illegal_mem_acc 6.000s 75.949us 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 11.000s 96.701us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 11.000s 42.201us 1 1 100.00
otbn_dmem_err 11.000s 23.473us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 55.346us 1 1 100.00
otbn_illegal_mem_acc 6.000s 75.949us 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 10.000s 25.651us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 9.000s 14.249us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 8.000s 37.736us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 27.000s 201.408us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 27.000s 201.408us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 11.000s 97.997us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 13.000s 110.236us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 12.000s 87.469us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 12.000s 87.469us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 54.000s 490.483us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 10.000s 25.651us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 10.000s 25.651us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 10.000s 25.651us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 99.000s 281.307us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 10.000s 25.651us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 10.000s 25.651us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 20.000s 54.946us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 10.000s 25.651us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 266.000s 1841.909us 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 20.000s 31.975us 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 83006867481385583503428834742563942577235159480542484068420085085420386650431 113
UVM_INFO @ 22666744 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_wfi_back_to_back 11670771914170823481258034457188013501743064612008948606562052682581796373081 109
UVM_INFO @ 8932070 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 100737979722863006975288766341708712467805160498517646615469801876924898423731 169
UVM_INFO @ 31975180 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 21160001798012837437981628229481607166015638934792967382943026500260039050336 113
UVM_ERROR @ 26947325 ps: (otbn_idle_checker.sv:196) [ASSERT FAILED] NotRunningWhenLocked_A
UVM_INFO @ 26947325 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 7356770850074561140060584987591889739698720572757649458319809002675010530346 109
UVM_FATAL @ 51387220 ps: (otbn_env_cov.sv:2728) [uvm_test_top.env.cov] Unknown encoding () for instruction `wfi'
UVM_INFO @ 51387220 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---