prog: add ProgramOptions.LogSizeStart to obtain full log after verifier bug #1461

Job	Run time
Build Documentation	24s
Build Documentation	24s
Build Documentation	24s
Build Documentation	24s
Build and Lint	2m 32s
Build and Lint	2m 32s
Build and Lint	2m 32s
Build and Lint	2m 32s
Run tests on arm64	48s
Run tests on arm64	48s
Run tests on arm64	48s
Run tests on arm64	48s
Run tests on previous stable Go	5m 39s
Run tests on previous stable Go	1m 57s
Run tests on previous stable Go	1m 57s
Run tests on previous stable Go	1m 57s
Run tests (mainline)	1m 3s
Run tests (mainline)	1m 3s
Run tests (mainline)	1m 3s
Run tests (mainline)	1m 3s
Run tests (stable)	1m 8s
Run tests (stable)	1m 8s
Run tests (stable)	1m 8s
Run tests (stable)	1m 8s
Run tests (6.6)	55s
Run tests (6.6)	55s
Run tests (6.6)	55s
Run tests (6.6)	55s
Run tests (6.1)	10m 48s
Run tests (6.1)	10m 30s
Run tests (6.1)	10m 36s
Run tests (6.1)	10m 32s
Run tests (5.15)	10m 42s
Run tests (5.15)	10m 35s
Run tests (5.15)	10m 35s
Run tests (5.15)	10m 40s
Run tests (5.10)	10m 58s
Run tests (5.10)	10m 37s
Run tests (5.10)	10m 37s
Run tests (5.10)	10m 34s
Run tests (5.4)	10m 56s
Run tests (5.4)	10m 45s
Run tests (5.4)	10m 45s
Run tests (5.4)	10m 38s
Run tests (4.19)	10m 39s
Run tests (4.19)	10m 47s
Run tests (4.19)	10m 47s
Run tests (4.19)	10m 29s
Run tests (4.14)	10m 55s
Run tests (4.14)	10m 45s
Run tests (4.14)	10m 45s
Run tests (4.14)	10m 45s
Run tests (4.9)	10m 57s
Run tests (4.9)	10m 45s
Run tests (4.9)	10m 45s
Run tests (4.9)	10m 44s
	5h 38m 41s

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