Simulation Results: otbn

 
09/07/2026 19:39:29 DVSim: v1.49.12 sha: 527817d json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 89.23 %
  • code
  • 85.43 %
  • assert
  • 87.78 %
  • func
  • 94.49 %
  • block
  • 99.24 %
  • line
  • 99.43 %
  • branch
  • 94.50 %
  • toggle
  • 84.40 %
  • FSM
  • 63.38 %
Validation stages
V1
100.00%
V2
92.86%
V2S
88.00%
V3
0.00%
unmapped
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 11.000s 40.451us 1 1 100.00
single_binary 1 1 100.00
otbn_single 7.000s 28.361us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 5.000s 46.291us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 4.000s 26.661us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 7.000s 155.124us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 5.000s 37.318us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 7.000s 378.108us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 4.000s 26.661us 1 1 100.00
otbn_csr_aliasing 5.000s 37.318us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 78.000s 34758.630us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 50.000s 1258.157us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 29.000s 82.561us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 57.000s 731.912us 1 1 100.00
back_to_back 0 1 0.00
otbn_multi 4.341s 0.000us 0 1 0.00
stress_all 1 1 100.00
otbn_stress_all 139.000s 562.613us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 11.000s 26.573us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 5.000s 16.514us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 7.000s 85.256us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 7.000s 19.846us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 5.000s 44.340us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 4.000s 82.747us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 4.000s 82.747us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 5.000s 46.291us 1 1 100.00
otbn_csr_rw 4.000s 26.661us 1 1 100.00
otbn_csr_aliasing 5.000s 37.318us 1 1 100.00
otbn_same_csr_outstanding 4.000s 85.954us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 5.000s 46.291us 1 1 100.00
otbn_csr_rw 4.000s 26.661us 1 1 100.00
otbn_csr_aliasing 5.000s 37.318us 1 1 100.00
otbn_same_csr_outstanding 4.000s 85.954us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 1 2 50.00
otbn_imem_err 9.000s 132.779us 1 1 100.00
otbn_dmem_err 13.000s 31.867us 0 1 0.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 13.000s 59.823us 1 1 100.00
otbn_controller_ispr_rdata_err 9.000s 51.874us 1 1 100.00
otbn_mac_bignum_acc_err 9.000s 111.484us 1 1 100.00
otbn_urnd_err 6.000s 21.009us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 8.000s 17.280us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 7.000s 28.678us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 9.000s 23.317us 1 1 100.00
tl_intg_err 1 2 50.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
otbn_tl_intg_err 29.000s 195.734us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 26.000s 269.595us 1 1 100.00
prim_fsm_check 0 1 0.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
prim_count_check 0 1 0.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 11.000s 40.451us 1 1 100.00
sec_cm_data_mem_integrity 0 1 0.00
otbn_dmem_err 13.000s 31.867us 0 1 0.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 9.000s 132.779us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 29.000s 195.734us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 11.000s 26.573us 1 1 100.00
sec_cm_controller_fsm_local_esc 3 5 60.00
otbn_imem_err 9.000s 132.779us 1 1 100.00
otbn_dmem_err 13.000s 31.867us 0 1 0.00
otbn_zero_state_err_urnd 5.000s 16.514us 1 1 100.00
otbn_illegal_mem_acc 8.000s 17.280us 1 1 100.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_controller_fsm_sparse 0 1 0.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 7.000s 28.361us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 3 5 60.00
otbn_imem_err 9.000s 132.779us 1 1 100.00
otbn_dmem_err 13.000s 31.867us 0 1 0.00
otbn_zero_state_err_urnd 5.000s 16.514us 1 1 100.00
otbn_illegal_mem_acc 8.000s 17.280us 1 1 100.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_scramble_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 11.000s 26.573us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 3 5 60.00
otbn_imem_err 9.000s 132.779us 1 1 100.00
otbn_dmem_err 13.000s 31.867us 0 1 0.00
otbn_zero_state_err_urnd 5.000s 16.514us 1 1 100.00
otbn_illegal_mem_acc 8.000s 17.280us 1 1 100.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 7.000s 28.361us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 8.000s 19.655us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 7.000s 13.157us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 38.000s 130.718us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 38.000s 130.718us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 6.000s 39.460us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_stack_wr_ptr_ctr_redun 0 1 0.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 8.000s 50.899us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_loop_stack_ctr_redun 0 1 0.00
otbn_sec_cm 10.000s 131.105us 0 1 0.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 18.000s 40.746us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 18.000s 40.746us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 12.000s 71.195us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 7.000s 28.361us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 7.000s 28.361us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 7.000s 28.361us 1 1 100.00
sec_cm_write_mem_integrity 0 1 0.00
otbn_multi 4.341s 0.000us 0 1 0.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 7.000s 28.361us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 7.000s 28.361us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 13.000s 35.665us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 7.000s 28.361us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 0 1 0.00
otbn_sec_cm 10.000s 131.105us 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 237.000s 4154.369us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 10.000s 27.141us 1 1 100.00

Error Messages

   Test seed line log context
Some pass patterns missing: ['^TEST PASSED (UVM_)?CHECKS$'] 1 test run
otbn_multi 110102117848269508233194561583435638190325761002014714669734462242936176122904 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_ERROR (cip_base_scoreboard.sv:255) scoreboard [scoreboard] alert fatal has unexpected timeout error 1 test run
otbn_dmem_err 74510169927300899767722426387886085822510298655563970374755228855811359050373 120
UVM_INFO @ 31866894 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_ERROR (cip_base_vseq.sv:1287) [otbn_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses. 1 test run
otbn_stress_all_with_rand_reset 48424124224244980895306023079233952202191883045363770713498363142135088943853 250
UVM_INFO @ 4154368818 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 91546791622489886858031352395265775006435286059268555206967866469465356411926 106
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_prim_fifo_0/rtl/prim_fifo_sync.sv,211): (time 131105199 PS) Assertion tb.dut.u_otbn_core.gen_mai.u_otbn_mai.u_otbn_mask_accelerator.u_prim_fifo_sync_mask.gen_normal_fifo.depthShallNotExceedParamDepth has failed
UVM_ERROR @ 131105199 ps: (prim_fifo_sync.sv:224) [ASSERT FAILED] DataKnown_A
UVM_INFO @ 131105199 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---