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 644 366 2025.07.01 08:43:57.609 2025.07.01 08:43:58.253 2025.07.01 07:32:49.684 2025.07.01 07:32:50.050
2 4.0.6.3214 2025.06.21 e11f6 P P 584 434 2025.06.25 08:05:33.913 2025.06.25 08:05:34.497 2025.06.25 06:54:31.119 2025.06.25 06:54:31.553
3 4.0.6.3213 2025.06.14 f015c P P 690 411 2025.06.21 07:42:04.790 2025.06.21 07:42:05.480 2025.06.21 06:30:57.155 2025.06.21 06:30:57.566
4 4.0.6.3212 2025.06.11 bc50d P P 598 448 2025.06.14 08:51:05.173 2025.06.14 08:51:05.771 2025.06.14 07:29:01.234 2025.06.14 07:29:01.682
5 4.0.6.3208 2025.06.10 19fe3 P P 727 501 2025.06.11 07:29:30.175 2025.06.11 07:29:30.902 2025.06.11 06:08:41.593 2025.06.11 06:08:42.094
6 4.0.6.3207 2025.06.07 205ff P P 679 460 2025.06.10 07:32:27.733 2025.06.10 07:32:28.412 2025.06.10 06:10:12.118 2025.06.10 06:10:12.578
7 4.0.6.3206 2025.05.22 d7d10 P P 746 488 2025.06.06 07:38:12.292 2025.06.06 07:38:13.038 2025.06.06 06:15:58.837 2025.06.06 06:15:59.325

Elapsed time, ms. Chart for last 7 runs:

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