Task 59153331
| Name | TF_76-77_198-201M_wu_37456_1 |
| Workunit | 53009725 |
| Created | 8 Sep 2026, 9:01:55 UTC |
| Sent | 8 Sep 2026, 10:14:59 UTC |
| Report deadline | 14 Sep 2026, 10:14:59 UTC |
| Received | 9 Sep 2026, 10:40:38 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 246842 |
| Run time | 11 min 52 sec |
| CPU time | 3 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 2,215.22 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 126.73 MB |
| Peak swap size | 308.63 MB |
| Peak disk usage | 4.96 MB |
Stderr output
<core_client_version>8.2.4</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
(0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-09-09 12:18:41 (8572): wrapper (7.24.26018): starting
2026-09-09 12:18:42 (8572): wrapper: running mfaktc-win-64.exe (-d 0)
2026-09-09 12:18:42 (8572): wrapper: created child process 3816
mfaktc v0.24.0 (64-bit build)
Compile-time options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32 kiB
SIEVE_SIZE 193154 bits
SIEVE_SPLIT 250
MORE_CLASSES enabled
Runtime options
SievePrimes 25000
SievePrimesAdjust 1
SievePrimesMin 5000
SievePrimesMax 100000
NumStreams 3
CPUStreams 3
GridSize 3
GPU sieving enabled
GPUSievePrimes 82486
GPUSieveSize 512 Mib
GPUSieveProcessSize 16 Kib
Checkpoints enabled
CheckpointDelay 60 s
WorkFileAddDelay 600 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
LegacyResultsTxt no
TimeStampInResults no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
TimestampOnSameLine no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 12.9
CUDA device info
name NVIDIA GeForce GTX 1660 SUPER
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 22
clock rate (CUDA cores) 1785 MHz
memory clock rate: 7001 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 720896
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple self-test...
Self-test statistics
number of tests 104
successful tests 104
self-test PASSED!
got assignment: exp=200486323 bit_min=76 bit_max=77 (76.34 GHz-days)
Starting trial factoring M200486323 from 2^76 to 2^77 (76.34 GHz-days)
k_min = 188436454404660
k_max = 376872908811412
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 09 12:18 | 0 0.1% | 8.395 2h14m | 818.36 82485 n.a.%
Sep 09 12:19 | 8 0.2% | 8.393 2h14m | 818.56 82485 n.a.%
Sep 09 12:19 | 17 0.3% | 8.395 2h13m | 818.36 82485 n.a.%
Sep 09 12:19 | 20 0.4% | 8.393 2h13m | 818.56 82485 n.a.%
Sep 09 12:19 | 21 0.5% | 8.396 2h13m | 818.27 82485 n.a.%
Sep 09 12:19 | 32 0.6% | 8.394 2h13m | 818.46 82485 n.a.%
Sep 09 12:19 | 36 0.7% | 8.392 2h13m | 818.66 82485 n.a.%
Sep 09 12:19 | 41 0.8% | 8.395 2h13m | 818.36 82485 n.a.%
Sep 09 12:20 | 45 0.9% | 8.395 2h13m | 818.36 82485 n.a.%
Sep 09 12:20 | 53 1.0% | 8.390 2h12m | 818.85 82485 n.a.%
Sep 09 12:20 | 56 1.1% | 8.394 2h12m | 818.46 82485 n.a.%
Sep 09 12:20 | 57 1.2% | 8.394 2h12m | 818.46 82485 n.a.%
Sep 09 12:20 | 60 1.4% | 7.789 2h02m | 882.04 82485 n.a.%
Sep 09 12:20 | 65 1.5% | 4.138 1h05m | 1660.26 82485 n.a.%
Sep 09 12:20 | 72 1.6% | 5.960 1h33m | 1152.71 82485 n.a.%
Sep 09 12:20 | 77 1.7% | 8.390 2h12m | 818.85 82485 n.a.%
Sep 09 12:21 | 80 1.8% | 8.393 2h11m | 818.56 82485 n.a.%
Sep 09 12:21 | 93 1.9% | 8.391 2h11m | 818.75 82485 n.a.%
Sep 09 12:21 | 101 2.0% | 8.390 2h11m | 818.85 82485 n.a.%
Sep 09 12:21 | 105 2.1% | 8.392 2h11m | 818.66 82485 n.a.%
Sep 09 12:21 | 108 2.2% | 8.393 2h11m | 818.56 82485 n.a.%
Sep 09 12:21 | 113 2.3% | 8.390 2h11m | 818.85 82485 n.a.%
Sep 09 12:21 | 116 2.4% | 8.397 2h11m | 818.17 82485 n.a.%
Sep 09 12:22 | 120 2.5% | 8.392 2h10m | 818.66 82485 n.a.%
Sep 09 12:22 | 128 2.6% | 8.390 2h10m | 818.85 82485 n.a.%
Sep 09 12:22 | 132 2.7% | 8.393 2h10m | 818.56 82485 n.a.%
Sep 09 12:22 | 137 2.8% | 8.392 2h10m | 818.66 82485 n.a.%
Sep 09 12:22 | 140 2.9% | 8.391 2h10m | 818.75 82485 n.a.%
Sep 09 12:22 | 141 3.0% | 8.391 2h10m | 818.75 82485 n.a.%
Sep 09 12:22 | 153 3.1% | 8.391 2h10m | 818.75 82485 n.a.%
Sep 09 12:22 | 156 3.2% | 8.390 2h09m | 818.85 82485 n.a.%
Sep 09 12:23 | 161 3.3% | 8.393 2h09m | 818.56 82485 n.a.%
Sep 09 12:23 | 165 3.4% | 8.394 2h09m | 818.46 82485 n.a.%
Sep 09 12:23 | 168 3.5% | 8.394 2h09m | 818.46 82485 n.a.%
Sep 09 12:23 | 176 3.6% | 8.392 2h09m | 818.66 82485 n.a.%
Sep 09 12:23 | 177 3.8% | 8.395 2h09m | 818.36 82485 n.a.%
Sep 09 12:23 | 185 3.9% | 8.390 2h09m | 818.85 82485 n.a.%
Sep 09 12:23 | 188 4.0% | 8.392 2h08m | 818.66 82485 n.a.%
Sep 09 12:24 | 192 4.1% | 8.395 2h08m | 818.36 82485 n.a.%
Sep 09 12:24 | 197 4.2% | 8.390 2h08m | 818.85 82485 n.a.%
Sep 09 12:24 | 200 4.3% | 8.392 2h08m | 818.66 82485 n.a.%
Sep 09 12:24 | 212 4.4% | 8.395 2h08m | 818.36 82485 n.a.%
Sep 09 12:24 | 216 4.5% | 8.389 2h08m | 818.95 82485 n.a.%
Sep 09 12:24 | 221 4.6% | 8.393 2h08m | 818.56 82485 n.a.%
Sep 09 12:24 | 225 4.7% | 8.400 2h08m | 817.88 82485 n.a.%
Sep 09 12:25 | 228 4.8% | 8.394 2h07m | 818.46 82485 n.a.%
Sep 09 12:25 | 233 4.9% | 8.391 2h07m | 818.75 82485 n.a.%
Sep 09 12:25 | 237 5.0% | 8.386 2h07m | 819.24 82485 n.a.%
Sep 09 12:25 | 240 5.1% | 8.391 2h07m | 818.75 82485 n.a.%
Sep 09 12:25 | 245 5.2% | 8.389 2h07m | 818.95 82485 n.a.%
Sep 09 12:25 | 248 5.3% | 8.391 2h07m | 818.75 82485 n.a.%
Sep 09 12:25 | 252 5.4% | 8.388 2h06m | 819.05 82485 n.a.%
Sep 09 12:26 | 260 5.5% | 8.395 2h06m | 818.36 82485 n.a.%
Sep 09 12:26 | 261 5.6% | 8.392 2h06m | 818.66 82485 n.a.%
Sep 09 12:26 | 272 5.7% | 8.394 2h06m | 818.46 82485 n.a.%
Sep 09 12:26 | 273 5.8% | 8.390 2h06m | 818.85 82485 n.a.%
Sep 09 12:26 | 276 5.9% | 8.394 2h06m | 818.46 82485 n.a.%
Sep 09 12:26 | 281 6.0% | 8.393 2h06m | 818.56 82485 n.a.%
Sep 09 12:26 | 288 6.1% | 8.392 2h06m | 818.66 82485 n.a.%
Sep 09 12:27 | 293 6.2% | 8.397 2h05m | 818.17 82485 n.a.%
Sep 09 12:27 | 296 6.4% | 8.392 2h05m | 818.66 82485 n.a.%
Sep 09 12:27 | 297 6.5% | 8.115 2h01m | 846.60 82485 n.a.%
Sep 09 12:27 | 300 6.6% | 4.128 1h01m | 1664.29 82485 n.a.%
Sep 09 12:27 | 305 6.7% | 4.846 1h12m | 1417.70 82485 n.a.%
Sep 09 12:27 | 308 6.8% | 8.394 2h05m | 818.46 82485 n.a.%
Sep 09 12:27 | 317 6.9% | 8.387 2h04m | 819.15 82485 n.a.%
Sep 09 12:27 | 321 7.0% | 8.392 2h04m | 818.66 82485 n.a.%
Sep 09 12:28 | 332 7.1% | 8.393 2h04m | 818.56 82485 n.a.%
Sep 09 12:28 | 333 7.2% | 8.390 2h04m | 818.85 82485 n.a.%
Sep 09 12:28 | 336 7.3% | 8.391 2h04m | 818.75 82485 n.a.%
Sep 09 12:28 | 353 7.4% | 8.388 2h04m | 819.05 82485 n.a.%
Sep 09 12:28 | 357 7.5% | 8.394 2h04m | 818.46 82485 n.a.%
Sep 09 12:28 | 360 7.6% | 8.390 2h04m | 818.85 82485 n.a.%
Sep 09 12:28 | 365 7.7% | 8.392 2h03m | 818.66 82485 n.a.%
Sep 09 12:29 | 368 7.8% | 8.391 2h03m | 818.75 82485 n.a.%
Sep 09 12:29 | 372 7.9% | 8.391 2h03m | 818.75 82485 n.a.%
Sep 09 12:29 | 377 8.0% | 8.393 2h03m | 818.56 82485 n.a.%
Sep 09 12:29 | 380 8.1% | 8.399 2h03m | 817.97 82485 n.a.%
Sep 09 12:29 | 381 8.2% | 8.394 2h03m | 818.46 82485 n.a.%
Sep 09 12:29 | 392 8.3% | 8.390 2h03m | 818.85 82485 n.a.%
Sep 09 12:29 | 393 8.4% | 8.393 2h02m | 818.56 82485 n.a.%
Sep 09 12:29 | 396 8.5% | 8.386 2h02m | 819.24 82485 n.a.%
Sep 09 12:30 | 401 8.6% | 8.393 2h02m | 818.56 82485 n.a.%
Sep 09 12:30 | 405 8.8% | 8.392 2h02m | 818.66 82485 n.a.%
Sep 09 12:30 | 408 8.9% | 8.392 2h02m | 818.66 82485 n.a.%
x mod p out of range!! x = 146597, p = 5823, pinv = 737841, r = 140774
Sep 09 12:30 | 413 9.0% | 7.981 1h56m | 860.82 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-09-09 12:30:32 (8572): mfaktc-win-64.exe exited; CPU time 3.187500
2026-09-09 12:30:32 (8572): app exit status: 0x1
2026-09-09 12:30:32 (8572): called boinc_finish(195)
</stderr_txt>
]]>
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