Simulation Results: otbn

 
08/09/2026 15:31:51 DVSim: v1.52.1 sha: 82334bf json Branch: master Tool: xcelium [24.03-s007]
Coverage statistics
  • Total
  • 91.23 %
  • code
  • 85.84 %
  • assert
  • 89.96 %
  • func
  • 97.88 %
  • block
  • 99.22 %
  • line
  • 99.44 %
  • branch
  • 94.42 %
  • toggle
  • 83.30 %
  • 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 12.000s 152.201us 1 1 100.00
otbn_smoke_vectorized 9.000s 34.098us 1 1 100.00
single_binary 1 1 100.00
otbn_single 28.000s 222.848us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 5.000s 24.530us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 5.000s 42.301us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 10.000s 162.847us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 6.000s 44.389us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 6.000s 70.528us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 5.000s 42.301us 1 1 100.00
otbn_csr_aliasing 6.000s 44.389us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 73.000s 3555.532us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 37.000s 576.339us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 25.000s 94.718us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 87.000s 171.738us 1 1 100.00
wfi 0 3 0.00
otbn_wfi_smoke 6.000s 67.208us 0 1 0.00
otbn_wfi_sec_wipe 5.000s 19.056us 0 1 0.00
otbn_wfi_back_to_back 6.000s 20.023us 0 1 0.00
back_to_back 1 1 100.00
otbn_multi 93.000s 139.261us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 48.000s 510.937us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 9.000s 177.894us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 6.000s 37.494us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 13.000s 18.125us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 8.000s 23.330us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 4.000s 34.833us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 8.000s 104.604us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 8.000s 104.604us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 5.000s 24.530us 1 1 100.00
otbn_csr_rw 5.000s 42.301us 1 1 100.00
otbn_csr_aliasing 6.000s 44.389us 1 1 100.00
otbn_same_csr_outstanding 4.000s 19.212us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 5.000s 24.530us 1 1 100.00
otbn_csr_rw 5.000s 42.301us 1 1 100.00
otbn_csr_aliasing 6.000s 44.389us 1 1 100.00
otbn_same_csr_outstanding 4.000s 19.212us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 11.000s 51.297us 1 1 100.00
otbn_dmem_err 12.000s 85.809us 1 1 100.00
internal_integrity 3 4 75.00
otbn_alu_bignum_mod_err 12.000s 59.817us 1 1 100.00
otbn_controller_ispr_rdata_err 16.000s 242.067us 1 1 100.00
otbn_mac_bignum_acc_err 16.000s 285.034us 1 1 100.00
otbn_urnd_err 9.000s 44.264us 0 1 0.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 7.000s 59.293us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 9.000s 41.665us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 7.000s 46.038us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
otbn_tl_intg_err 15.000s 70.753us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 60.000s 795.615us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 12.000s 152.201us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 12.000s 85.809us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 11.000s 51.297us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 15.000s 70.753us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 9.000s 177.894us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 11.000s 51.297us 1 1 100.00
otbn_dmem_err 12.000s 85.809us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 37.494us 1 1 100.00
otbn_illegal_mem_acc 7.000s 59.293us 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 28.000s 222.848us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 11.000s 51.297us 1 1 100.00
otbn_dmem_err 12.000s 85.809us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 37.494us 1 1 100.00
otbn_illegal_mem_acc 7.000s 59.293us 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 9.000s 177.894us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 11.000s 51.297us 1 1 100.00
otbn_dmem_err 12.000s 85.809us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 37.494us 1 1 100.00
otbn_illegal_mem_acc 7.000s 59.293us 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 28.000s 222.848us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 11.000s 28.926us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 8.000s 60.183us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 33.000s 133.378us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 33.000s 133.378us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 9.000s 48.521us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 12.000s 61.337us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 16.000s 50.002us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 16.000s 50.002us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 5.000s 75.563us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 28.000s 222.848us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 28.000s 222.848us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 28.000s 222.848us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 93.000s 139.261us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 28.000s 222.848us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 28.000s 222.848us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 15.000s 46.534us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 28.000s 222.848us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 247.000s 1476.192us 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 13.000s 40.703us 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 69683018034519293011730994268316540062889131973703727746600074841109432918365 161
UVM_INFO @ 67208019 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_wfi_back_to_back 113004725954704875705959336582562857530967730478264264051434143397031939926677 156
UVM_INFO @ 20023429 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 61616344273919293384212359241986808425969121087416873585395813872182974899796 189
UVM_INFO @ 40703271 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 938431940614747616948852418635578986981773982536658468289588262758221078031 140
UVM_ERROR @ 44264264 ps: (otbn_idle_checker.sv:196) [ASSERT FAILED] NotRunningWhenLocked_A
UVM_INFO @ 44264264 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 27351900791511640920224726719764157098109575429151868347328414230358662894951 170
UVM_FATAL @ 19056062 ps: (otbn_env_cov.sv:2728) [uvm_test_top.env.cov] Unknown encoding () for instruction `wfi'
UVM_INFO @ 19056062 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---