Simulation Results: otbn

 
03/09/2026 16:40:21 DVSim: v1.52.1 sha: 119f86a json Branch: master Tool: xcelium [24.03-s007]
Coverage statistics
  • Total
  • 89.97 %
  • code
  • 81.83 %
  • assert
  • 89.76 %
  • func
  • 98.31 %
  • block
  • 97.74 %
  • line
  • 97.96 %
  • branch
  • 81.84 %
  • toggle
  • 81.33 %
  • FSM
  • 66.20 %
Validation stages
V1
100.00%
V2
76.47%
V2S
96.00%
V3
0.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 2 2 100.00
otbn_smoke 13.000s 487.349us 1 1 100.00
otbn_smoke_vectorized 12.000s 21.374us 1 1 100.00
single_binary 1 1 100.00
otbn_single 11.000s 28.494us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 13.000s 61.776us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 5.000s 16.650us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 10.000s 149.412us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 5.000s 16.384us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 7.000s 147.709us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 5.000s 16.650us 1 1 100.00
otbn_csr_aliasing 5.000s 16.384us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 131.000s 2910.229us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 19.000s 174.264us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 33.000s 222.924us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 71.000s 630.335us 1 1 100.00
wfi 0 3 0.00
otbn_wfi_smoke 7.000s 5.769us 0 1 0.00
otbn_wfi_sec_wipe 8.000s 15.415us 0 1 0.00
otbn_wfi_back_to_back 6.000s 5.192us 0 1 0.00
back_to_back 1 1 100.00
otbn_multi 186.000s 2371.788us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 212.000s 1509.625us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 12.000s 33.207us 1 1 100.00
zero_state_err_urnd 0 1 0.00
otbn_zero_state_err_urnd 10.000s 42.399us 0 1 0.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 25.000s 157.254us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 7.000s 17.671us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 5.000s 138.645us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 6.000s 85.633us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 6.000s 85.633us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 13.000s 61.776us 1 1 100.00
otbn_csr_rw 5.000s 16.650us 1 1 100.00
otbn_csr_aliasing 5.000s 16.384us 1 1 100.00
otbn_same_csr_outstanding 7.000s 31.485us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 13.000s 61.776us 1 1 100.00
otbn_csr_rw 5.000s 16.650us 1 1 100.00
otbn_csr_aliasing 5.000s 16.384us 1 1 100.00
otbn_same_csr_outstanding 7.000s 31.485us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 12.000s 60.207us 1 1 100.00
otbn_dmem_err 13.000s 35.437us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 26.000s 44.521us 1 1 100.00
otbn_controller_ispr_rdata_err 7.000s 26.136us 1 1 100.00
otbn_mac_bignum_acc_err 10.000s 252.963us 1 1 100.00
otbn_urnd_err 8.000s 17.715us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 8.000s 19.155us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 8.000s 38.105us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 7.000s 72.874us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
otbn_tl_intg_err 29.000s 441.103us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 34.000s 986.799us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 13.000s 487.349us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 13.000s 35.437us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 12.000s 60.207us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 29.000s 441.103us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 12.000s 33.207us 1 1 100.00
sec_cm_controller_fsm_local_esc 4 5 80.00
otbn_imem_err 12.000s 60.207us 1 1 100.00
otbn_dmem_err 13.000s 35.437us 1 1 100.00
otbn_zero_state_err_urnd 10.000s 42.399us 0 1 0.00
otbn_illegal_mem_acc 8.000s 19.155us 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 11.000s 28.494us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 12.000s 60.207us 1 1 100.00
otbn_dmem_err 13.000s 35.437us 1 1 100.00
otbn_zero_state_err_urnd 10.000s 42.399us 0 1 0.00
otbn_illegal_mem_acc 8.000s 19.155us 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 12.000s 33.207us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 12.000s 60.207us 1 1 100.00
otbn_dmem_err 13.000s 35.437us 1 1 100.00
otbn_zero_state_err_urnd 10.000s 42.399us 0 1 0.00
otbn_illegal_mem_acc 8.000s 19.155us 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 11.000s 28.494us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 8.000s 120.697us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 10.000s 13.965us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 267.000s 822.481us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 267.000s 822.481us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 15.000s 35.949us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 13.000s 106.421us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 11.000s 21.706us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 11.000s 21.706us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 16.000s 26.510us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 11.000s 28.494us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 11.000s 28.494us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 11.000s 28.494us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 186.000s 2371.788us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 11.000s 28.494us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 11.000s 28.494us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 9.000s 32.886us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 11.000s 28.494us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 262.000s 3426.345us 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 11.000s 12.441us 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 77847917573079774276902243549846300172686894634324115683007576167328370138738 117
UVM_INFO @ 5769348 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_wfi_back_to_back 81897571349893015359637985376738414841961450645964282646880383233660699144086 109
UVM_INFO @ 5191579 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 9658900003669839203604433449067406963327799215309881766874212202650843356380 147
UVM_INFO @ 12441442 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_zero_state_err_urnd 96185785913742430354602044850697988145987081065533439409890947895439340601317 109
UVM_ERROR @ 42399463 ps: (otbn_insn_cnt_if.sv:21) [ASSERT FAILED] InsnCntMatches_A
UVM_INFO @ 42399463 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 22031638333501919402701777574858891147774370261912488135430407782064760179312 111
UVM_FATAL @ 15415252 ps: (otbn_env_cov.sv:2728) [uvm_test_top.env.cov] Unknown encoding () for instruction `wfi'
UVM_INFO @ 15415252 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---