Simulation Results: otbn

 
05/09/2026 08:56:33 DVSim: v1.49.0 sha: 1e1dace json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 94.67 %
  • code
  • 86.96 %
  • assert
  • 97.06 %
  • func
  • 100.00 %
  • block
  • 99.32 %
  • line
  • 99.53 %
  • branch
  • 95.03 %
  • toggle
  • 85.66 %
  • FSM
  • 67.61 %
Validation stages
V1
100.00%
V2
97.06%
V2S
97.26%
V3
0.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 2 2 100.00
otbn_smoke 16.000s 39.476us 1 1 100.00
otbn_smoke_vectorized 10.000s 19.297us 1 1 100.00
single_binary 100 100 100.00
otbn_single 47.000s 219.519us 100 100 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 6.000s 18.871us 1 1 100.00
csr_rw 5 5 100.00
otbn_csr_rw 6.000s 61.790us 5 5 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 10.000s 141.924us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 5.000s 46.290us 1 1 100.00
csr_mem_rw_with_rand_reset 5 5 100.00
otbn_csr_mem_rw_with_rand_reset 11.000s 69.925us 5 5 100.00
regwen_csr_and_corresponding_lockable_csr 6 6 100.00
otbn_csr_rw 6.000s 61.790us 5 5 100.00
otbn_csr_aliasing 5.000s 46.290us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 97.000s 935.597us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 58.000s 1356.224us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 10 10 100.00
otbn_reset 68.000s 139.908us 10 10 100.00
multi_error 1 1 100.00
otbn_multi_err 84.000s 474.063us 1 1 100.00
wfi 4 7 57.14
otbn_wfi_smoke 7.000s 9.343us 0 1 0.00
otbn_wfi_sec_wipe 17.000s 44.886us 4 5 80.00
otbn_wfi_back_to_back 7.000s 4.264us 0 1 0.00
back_to_back 9 10 90.00
otbn_multi 3602.090s 0.000us 9 10 90.00
stress_all 10 10 100.00
otbn_stress_all 215.000s 780.832us 10 10 100.00
lc_escalation 59 60 98.33
otbn_escalate 85.000s 1329.189us 59 60 98.33
zero_state_err_urnd 5 5 100.00
otbn_zero_state_err_urnd 12.000s 19.451us 5 5 100.00
sw_errs_fatal_chk 10 10 100.00
otbn_sw_errs_fatal_chk 23.000s 22.362us 10 10 100.00
alert_test 10 10 100.00
otbn_alert_test 12.000s 334.310us 10 10 100.00
intr_test 10 10 100.00
otbn_intr_test 5.000s 15.104us 10 10 100.00
tl_d_oob_addr_access 25 25 100.00
otbn_tl_errors 12.000s 911.690us 25 25 100.00
tl_d_illegal_access 25 25 100.00
otbn_tl_errors 12.000s 911.690us 25 25 100.00
tl_d_outstanding_access 12 12 100.00
otbn_csr_hw_reset 6.000s 18.871us 1 1 100.00
otbn_csr_rw 6.000s 61.790us 5 5 100.00
otbn_csr_aliasing 5.000s 46.290us 1 1 100.00
otbn_same_csr_outstanding 7.000s 26.621us 5 5 100.00
tl_d_partial_access 12 12 100.00
otbn_csr_hw_reset 6.000s 18.871us 1 1 100.00
otbn_csr_rw 6.000s 61.790us 5 5 100.00
otbn_csr_aliasing 5.000s 46.290us 1 1 100.00
otbn_same_csr_outstanding 7.000s 26.621us 5 5 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 24 25 96.00
otbn_imem_err 55.000s 131.919us 9 10 90.00
otbn_dmem_err 17.000s 28.278us 15 15 100.00
internal_integrity 14 17 82.35
otbn_alu_bignum_mod_err 17.000s 118.111us 4 5 80.00
otbn_controller_ispr_rdata_err 20.000s 43.343us 5 5 100.00
otbn_mac_bignum_acc_err 15.000s 56.525us 4 5 80.00
otbn_urnd_err 11.000s 49.343us 1 2 50.00
illegal_bus_access 5 5 100.00
otbn_illegal_mem_acc 13.000s 40.869us 5 5 100.00
otbn_mem_gnt_acc_err 2 2 100.00
otbn_mem_gnt_acc_err 11.000s 20.410us 2 2 100.00
otbn_non_sec_partial_wipe 9 10 90.00
otbn_partial_wipe 11.000s 27.066us 9 10 90.00
tl_intg_err 30 30 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
otbn_tl_intg_err 130.000s 792.702us 25 25 100.00
passthru_mem_tl_intg_err 5 5 100.00
otbn_passthru_mem_tl_intg_err 115.000s 364.803us 5 5 100.00
prim_fsm_check 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
prim_count_check 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 16.000s 39.476us 1 1 100.00
sec_cm_data_mem_integrity 15 15 100.00
otbn_dmem_err 17.000s 28.278us 15 15 100.00
sec_cm_instruction_mem_integrity 9 10 90.00
otbn_imem_err 55.000s 131.919us 9 10 90.00
sec_cm_bus_integrity 25 25 100.00
otbn_tl_intg_err 130.000s 792.702us 25 25 100.00
sec_cm_controller_fsm_global_esc 59 60 98.33
otbn_escalate 85.000s 1329.189us 59 60 98.33
sec_cm_controller_fsm_local_esc 39 40 97.50
otbn_imem_err 55.000s 131.919us 9 10 90.00
otbn_dmem_err 17.000s 28.278us 15 15 100.00
otbn_zero_state_err_urnd 12.000s 19.451us 5 5 100.00
otbn_illegal_mem_acc 13.000s 40.869us 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_controller_fsm_sparse 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_scramble_key_sideload 100 100 100.00
otbn_single 47.000s 219.519us 100 100 100.00
sec_cm_scramble_ctrl_fsm_local_esc 39 40 97.50
otbn_imem_err 55.000s 131.919us 9 10 90.00
otbn_dmem_err 17.000s 28.278us 15 15 100.00
otbn_zero_state_err_urnd 12.000s 19.451us 5 5 100.00
otbn_illegal_mem_acc 13.000s 40.869us 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_scramble_ctrl_fsm_sparse 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 59 60 98.33
otbn_escalate 85.000s 1329.189us 59 60 98.33
sec_cm_start_stop_ctrl_fsm_local_esc 39 40 97.50
otbn_imem_err 55.000s 131.919us 9 10 90.00
otbn_dmem_err 17.000s 28.278us 15 15 100.00
otbn_zero_state_err_urnd 12.000s 19.451us 5 5 100.00
otbn_illegal_mem_acc 13.000s 40.869us 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_start_stop_ctrl_fsm_sparse 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_data_reg_sw_sca 100 100 100.00
otbn_single 47.000s 219.519us 100 100 100.00
sec_cm_ctrl_redun 12 12 100.00
otbn_ctrl_redun 15.000s 27.728us 12 12 100.00
sec_cm_pc_ctrl_flow_redun 5 5 100.00
otbn_pc_ctrl_flow_redun 14.000s 56.550us 5 5 100.00
sec_cm_rnd_bus_consistency 5 5 100.00
otbn_rnd_sec_cm 118.000s 2126.600us 5 5 100.00
sec_cm_rnd_rng_digest 5 5 100.00
otbn_rnd_sec_cm 118.000s 2126.600us 5 5 100.00
sec_cm_rf_base_data_reg_sw_integrity 10 10 100.00
otbn_rf_base_intg_err 18.000s 41.876us 10 10 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_stack_wr_ptr_ctr_redun 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 9 10 90.00
otbn_rf_bignum_intg_err 15.000s 129.131us 9 10 90.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_loop_stack_ctr_redun 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
sec_cm_loop_stack_addr_integrity 4 5 80.00
otbn_stack_addr_integ_chk 16.000s 62.347us 4 5 80.00
sec_cm_call_stack_addr_integrity 4 5 80.00
otbn_stack_addr_integ_chk 16.000s 62.347us 4 5 80.00
sec_cm_start_stop_ctrl_state_consistency 7 7 100.00
otbn_sec_wipe_err 18.000s 24.262us 7 7 100.00
sec_cm_data_mem_sec_wipe 100 100 100.00
otbn_single 47.000s 219.519us 100 100 100.00
sec_cm_instruction_mem_sec_wipe 100 100 100.00
otbn_single 47.000s 219.519us 100 100 100.00
sec_cm_data_reg_sw_sec_wipe 100 100 100.00
otbn_single 47.000s 219.519us 100 100 100.00
sec_cm_write_mem_integrity 9 10 90.00
otbn_multi 3602.090s 0.000us 9 10 90.00
sec_cm_ctrl_flow_count 100 100 100.00
otbn_single 47.000s 219.519us 100 100 100.00
sec_cm_ctrl_flow_sca 100 100 100.00
otbn_single 47.000s 219.519us 100 100 100.00
sec_cm_data_mem_sw_noaccess 5 5 100.00
otbn_sw_no_acc 26.000s 74.727us 5 5 100.00
sec_cm_key_sideload 100 100 100.00
otbn_single 47.000s 219.519us 100 100 100.00
sec_cm_tlul_fifo_ctr_redun 5 5 100.00
otbn_sec_cm 585.000s 3181.350us 5 5 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 0 10 0.00
otbn_stress_all_with_rand_reset 305.000s 3398.101us 0 10 0.00

Error Messages

   Test seed line log context
UVM_FATAL sequencer [SEQDEFPRI] Sequence parent_sequence has illegal priority: -* 8 test runs
otbn_stress_all_with_rand_reset 62593253935026985852973503158215416511545168611896429984622169184881872482221 160
UVM_INFO @ 251463491 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_stress_all_with_rand_reset 46592423610001222571915716459904329432418626064877601976561184193362288175021 150
UVM_INFO @ 91411141 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_stress_all_with_rand_reset 63280875741078887035008920566562969678424502268404140097225381835479554610217 150
UVM_INFO @ 9466653 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_stress_all_with_rand_reset 16278787645412130371402413955089814132091852594608409169630320973873678573418 162
UVM_INFO @ 124352577 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_stress_all_with_rand_reset 42418885040729673767520961780709467134124607717670190347606848471699370608408 147
UVM_INFO @ 21305286 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_stress_all_with_rand_reset 18123845164898022948443178194819289368031097655804154766188384098331285451527 151
UVM_INFO @ 18864090 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_stress_all_with_rand_reset 57127456568760581349212459533976554470657410031494382232275432384548622770818 150
UVM_INFO @ 10038083 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_stress_all_with_rand_reset 52478354430027015196748168940525927070531276729451054218062062841422674793196 185
UVM_INFO @ 247180726 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_ERROR (cip_base_scoreboard.sv:256) scoreboard [scoreboard] alert fatal has unexpected timeout error 4 test runs
otbn_imem_err 52695794592433024058815518894938260695896293421997142846014327448203469301883 107
UVM_INFO @ 13458970 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_alu_bignum_mod_err 15453556141549147254972277602103579050480152863048464693993397946555226022095 129
UVM_INFO @ 13169747 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_mac_bignum_acc_err 44865787381692431159248139711224868836769716216071898680009352561540545300014 122
UVM_INFO @ 147869835 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_rf_bignum_intg_err 95092326805145973515413047587927690466114076060218271244707093623486977249704 109
UVM_INFO @ 78440224 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
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 30867461528509020804152668060018646580791946819066968375061842170207694380169 111
UVM_INFO @ 9343497 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_wfi_back_to_back 83957812779329285973564453569697712386483419935342520417658259720987807657670 111
UVM_INFO @ 4264002 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_ERROR (cip_base_vseq.sv:1297) [otbn_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses. 2 test runs
otbn_stress_all_with_rand_reset 33880138817030361032628505162776673908843605844634529021178822783184570883889 183
UVM_INFO @ 3398101141 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_stress_all_with_rand_reset 100506445088170565581841127242084523228061806224602817602574748567543638315401 222
UVM_INFO @ 325276092 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_env_*/otbn_insn_cnt_if.sv,21): Assertion InsnCntMatches_A has failed 1 test run
otbn_stack_addr_integ_chk 113425693628823062528210077923795617660649668293394049748953382904899099903767 120
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_dv_otbn_model_agent_0.1/otbn_model_if.sv,158): (time 19434213 PS) Assertion tb.model_if.NoModelErrs has failed
UVM_ERROR @ 19434213 ps: (otbn_insn_cnt_if.sv:21) [ASSERT FAILED] InsnCntMatches_A
UVM_INFO @ 19434213 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 24195220415258379633870037402813079100144161397934575954980019956529749499240 111
UVM_FATAL @ 4688860 ps: (otbn_env_cov.sv:2728) [uvm_test_top.env.cov] Unknown encoding () for instruction `wfi'
UVM_INFO @ 4688860 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 87799911202173540722702738931106879581035895999682573606120272985097095340671 115
UVM_ERROR @ 49342578 ps: (otbn_idle_checker.sv:196) [ASSERT FAILED] NotRunningWhenLocked_A
UVM_INFO @ 49342578 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
Job timed out after * minutes 1 test run
otbn_multi 103393780928942844796965676401674479603675257065637676764295142432287171843461 None
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_dv_otbn_sva_*/otbn_idle_checker.sv,186): Assertion IdleIfLockedAndNotRotatingKeys_A has failed (* cycles, starting * PS) 1 test run
otbn_partial_wipe 103095331477208199756780744700006417655381946055321864116755474542366447547516 126
UVM_ERROR @ 6619957 ps: (otbn_idle_checker.sv:186) [ASSERT FAILED] IdleIfLockedAndNotRotatingKeys_A
UVM_INFO @ 6619957 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
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 18272669567779438796275566960262760006606543681774969315112312375840820076054 105
UVM_INFO @ 4587813 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---