functional.sqlancer.osdi20_rigger_example_12_test. Unexpected null value when index is used

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Full history of outcomes and elapsed time, ms:
NN SNAP_INFO CS_outcome SS_outcome CS_run_time SS_run_time CS_run_beg CS_run_end SS_run_beg SS_run_end
1 4.0.6.3215 2025.06.25 6461d P P 627 427 2025.06.27 07:58:11.116 2025.06.27 07:58:11.743 2025.06.27 06:56:41.869 2025.06.27 06:56:42.296
2 4.0.6.3214 2025.06.21 e11f6 P P 639 448 2025.06.25 12:50:05.101 2025.06.25 12:50:05.740 2025.06.25 11:48:00.720 2025.06.25 11:48:01.168
3 4.0.6.3213 2025.06.14 f015c P P 656 443 2025.06.21 07:50:41.395 2025.06.21 07:50:42.051 2025.06.21 06:48:20.748 2025.06.21 06:48:21.191
4 4.0.6.3212 2025.06.11 bc50d P P 648 426 2025.06.14 08:18:21.623 2025.06.14 08:18:22.271 2025.06.14 07:15:25.860 2025.06.14 07:15:26.286
5 4.0.6.3208 2025.06.10 19fe3 P P 660 441 2025.06.11 06:45:16.633 2025.06.11 06:45:17.293 2025.06.11 05:43:21.973 2025.06.11 05:43:22.414
6 4.0.6.3207 2025.06.07 205ff P P 659 467 2025.06.10 06:46:42.147 2025.06.10 06:46:42.806 2025.06.10 05:43:59.531 2025.06.10 05:43:59.998
7 4.0.6.3206 2025.05.22 d7d10 P P 619 422 2025.06.06 06:40:17.954 2025.06.06 06:40:18.573 2025.06.06 05:39:03.251 2025.06.06 05:39:03.673

Elapsed time, ms. Chart for last 7 runs:

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