Simulation Results: otbn

 
24/06/2026 15:30:34 DVSim: v1.49.11 sha: 18ef53a json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 90.99 %
  • code
  • 90.77 %
  • assert
  • 87.71 %
  • func
  • 94.49 %
  • block
  • 97.81 %
  • line
  • 97.95 %
  • branch
  • 82.63 %
  • toggle
  • 87.37 %
  • FSM
  • 95.12 %
Validation stages
V1
100.00%
V2
100.00%
V2S
88.00%
V3
0.00%
unmapped
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 9.000s 142.572us 1 1 100.00
single_binary 1 1 100.00
otbn_single 13.000s 57.908us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 27.000s 14.127us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 28.000s 20.889us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 28.000s 32.210us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 28.000s 24.172us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 30.000s 141.866us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 28.000s 20.889us 1 1 100.00
otbn_csr_aliasing 28.000s 24.172us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 46.000s 2913.664us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 27.000s 4594.516us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 21.000s 69.859us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 60.000s 310.233us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 111.000s 381.870us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 47.000s 139.973us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 25.000s 34.640us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 6.000s 123.291us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 9.000s 43.950us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 30.000s 19.812us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 10.000s 52.470us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 5.000s 112.817us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 5.000s 112.817us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 27.000s 14.127us 1 1 100.00
otbn_csr_rw 28.000s 20.889us 1 1 100.00
otbn_csr_aliasing 28.000s 24.172us 1 1 100.00
otbn_same_csr_outstanding 4.000s 96.074us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 27.000s 14.127us 1 1 100.00
otbn_csr_rw 28.000s 20.889us 1 1 100.00
otbn_csr_aliasing 28.000s 24.172us 1 1 100.00
otbn_same_csr_outstanding 4.000s 96.074us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 26.000s 65.552us 1 1 100.00
otbn_dmem_err 28.000s 15.782us 1 1 100.00
internal_integrity 3 4 75.00
otbn_alu_bignum_mod_err 32.000s 105.395us 1 1 100.00
otbn_controller_ispr_rdata_err 36.000s 48.178us 1 1 100.00
otbn_mac_bignum_acc_err 0.812s 0.000us 0 1 0.00
otbn_urnd_err 5.000s 10.683us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 22.000s 37.403us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 8.000s 37.847us 1 1 100.00
otbn_non_sec_partial_wipe 0 1 0.00
otbn_partial_wipe 4.000s 16.041us 0 1 0.00
tl_intg_err 1 2 50.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
otbn_tl_intg_err 17.000s 478.150us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 43.000s 763.054us 1 1 100.00
prim_fsm_check 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
prim_count_check 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 9.000s 142.572us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 28.000s 15.782us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 26.000s 65.552us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 17.000s 478.150us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 25.000s 34.640us 1 1 100.00
sec_cm_controller_fsm_local_esc 4 5 80.00
otbn_imem_err 26.000s 65.552us 1 1 100.00
otbn_dmem_err 28.000s 15.782us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 123.291us 1 1 100.00
otbn_illegal_mem_acc 22.000s 37.403us 1 1 100.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_controller_fsm_sparse 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 13.000s 57.908us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 26.000s 65.552us 1 1 100.00
otbn_dmem_err 28.000s 15.782us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 123.291us 1 1 100.00
otbn_illegal_mem_acc 22.000s 37.403us 1 1 100.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_scramble_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 25.000s 34.640us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 26.000s 65.552us 1 1 100.00
otbn_dmem_err 28.000s 15.782us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 123.291us 1 1 100.00
otbn_illegal_mem_acc 22.000s 37.403us 1 1 100.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 13.000s 57.908us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 29.000s 36.376us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 14.000s 63.564us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 30.000s 463.638us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 30.000s 463.638us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 7.000s 15.056us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_stack_wr_ptr_ctr_redun 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 9.000s 214.321us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_loop_stack_ctr_redun 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 16.000s 64.642us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 16.000s 64.642us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 5.000s 26.562us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 13.000s 57.908us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 13.000s 57.908us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 13.000s 57.908us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 111.000s 381.870us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 13.000s 57.908us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 13.000s 57.908us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 6.000s 78.805us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 13.000s 57.908us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 0 1 0.00
otbn_sec_cm 17.000s 248.211us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 0 1 0.00
otbn_stress_all_with_rand_reset 115.000s 2341.124us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 7.000s 145.556us 1 1 100.00

Error Messages

   Test seed line log context
Some pass patterns missing: ['^TEST PASSED (UVM_)?CHECKS$'] 1 test run
otbn_mac_bignum_acc_err 2213650288804212358537978412484770777619303873663742563472992134702475284933 None
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/nightly/current_run/opentitan/hw/ip/otbn/dv/rig/rig/gens/bad_deep_loop.py", line 122, in _gen_loop_head
enc_bodysize, end_addr = self._pick_bodysize(insn, model.pc, program)
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
File "/nightly/current_run/opentitan/hw/ip/otbn/dv/rig/rig/gens/bad_deep_loop.py", line 67, in _pick_bodysize
assert bodysize is not None
^^^^^^^^^^^^^^^^^^^^
AssertionError
ninja: build stopped: subcommand failed.
make: *** [/nightly/current_run/opentitan/hw/dv/tools/dvsim/sim.mk:52: pre_run] Error 1
UVM_FATAL (otbn_base_vseq.sv:348) [otbn_dmem_err_vseq] Check failed (!cfg.under_reset) 1 test run
otbn_stress_all_with_rand_reset 16163421868497097907415415108743167710910396829364993129703608935757300554452 211
UVM_INFO @ 2341124116 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,161): Assertion IdleIfLockedAndNotRotatingKeys_A has failed (* cycles, starting * PS) 1 test run
otbn_partial_wipe 85864375134137414226474405136544940023917821202492623426704929090867156212992 120
UVM_ERROR @ 16041287 ps: (otbn_idle_checker.sv:161) [ASSERT FAILED] IdleIfLockedAndNotRotatingKeys_A
UVM_INFO @ 16041287 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_prim_fifo_*/rtl/prim_fifo_sync.sv,224): Assertion DataKnown_A has failed 1 test run
otbn_sec_cm 79706614282836348127477414162380558077637596717918367210952721387375010728476 127
UVM_ERROR @ 248210852 ps: (prim_fifo_sync.sv:224) [ASSERT FAILED] DataKnown_A
UVM_INFO @ 248210852 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---