yosys non-determinism fix

[openroad-ci]

Fixes The-OpenROAD-Project/OpenROAD#9943.

[eder-matheus]

Yosys is timing out for ariane133/136 designs:

[2026-04-08T17:09:41.286Z] 7.6. Executing ABC pass (technology mapping using ABC).
[2026-04-08T17:09:41.286Z] 7.6.1. Extracting gate netlist of module `\SyncSpRamBeNx64_00000008_00000100_0_2' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:41.286Z] 7.6.2. Extracting gate netlist of module `\SyncSpRamBeNx64_00000008_00000100_0_2_d44' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:41.286Z] 7.6.3. Extracting gate netlist of module `\SyncSpRamBeNx64_00000008_00000100_0_2_d45' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:41.286Z] 7.6.4. Extracting gate netlist of module `\ariane' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:42.104Z] 7.6.5. Extracting gate netlist of module `\csr_regfile_0000000000000000_1' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:44.716Z] 7.6.6. Extracting gate netlist of module `\ex_stage' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:46.390Z] 7.6.7. Extracting gate netlist of module `\frontend_0000000000000000' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:48.902Z] 7.6.8. Extracting gate netlist of module `\issue_read_operands' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:49.625Z] 7.6.9. Extracting gate netlist of module `\miss_handler_NR_PORTS3' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:51.218Z] 7.6.10. Extracting gate netlist of module `\mmu_16_16_00000001' to `<abc-temp-dir>/input.blif'..
[2026-04-08T17:09:52.848Z] 7.6.11. Extracting gate netlist of module `\multiplier' to `<abc-temp-dir>/input.blif'..
[2026-04-08T19:24:36.481Z] Sending interrupt signal to process
[2026-04-08T19:24:44.727Z] Terminated
[2026-04-08T19:24:44.927Z] script returned exit code 143
Timeout has been exceeded

[maliberty]

Please file an issue to yosyshq for the timeout.