Task 60792868
log in
NameTF_76-77_215-217M_wu_17405_1
Workunit54486604
Created11 Nov 2026, 1:38:28 UTC
Sent11 Nov 2026, 2:43:54 UTC
Report deadline17 Nov 2026, 2:43:54 UTC
Received11 Nov 2026, 22:03:02 UTC
Server stateOver
OutcomeComputation error
Client stateCompute error
Exit status195 (0xc3) EXIT_CHILD_FAILED
Computer ID230729
Run time3 sec
CPU time
Validate stateInvalid
Credit0.00
Device peak FLOPS3,372.14 GFLOPS
Application versionTF v0.49 (cuda128)
Peak working set size155.30 MB
Peak swap size364.95 MB
Peak disk usage4.95 MB

Stderr output

<core_client_version>8.2.9</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
 (0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-11-11 10:29:34 (40472): wrapper (7.24.26018): starting
2026-11-11 10:29:34 (40472): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-11 10:29:35 (40472): wrapper: created child process 36736
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       13.4

CUDA device info
  name                      NVIDIA GeForce RTX 4060
  compute capability        8.9
  max threads per block     1024
  max shared memory per MP  102400 bytes
  number of multiprocessors 24
  clock rate (CUDA cores)   2490 MHz
  memory clock rate:        8501 MHz
  memory bus width:         128 bits

Automatic parameters
  threads per grid          786432
  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=216148243 bit_min=76 bit_max=77 (70.80 GHz-days)
Starting trial factoring M216148243 from 2^76 to 2^77 (70.80 GHz-days)
 k_min =  174782507310180
 k_max =  349565014627087
Using GPU kernel "barrett87_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Nov 11 10:29 |    0   0.1% |  2.773  44m19s |   2298.00    82485    n.a.%
Nov 11 10:29 |    5   0.2% |  2.800  44m42s |   2275.84    82485    n.a.%
Nov 11 10:29 |   12   0.3% |  2.796  44m36s |   2279.10    82485    n.a.%
Nov 11 10:29 |   17   0.4% |  2.866  45m40s |   2223.43    82485    n.a.%
Nov 11 10:29 |   21   0.5% |  2.765  44m01s |   2304.65    82485    n.a.%
Nov 11 10:29 |   32   0.6% |  2.779  44m11s |   2293.04    82485    n.a.%
Nov 11 10:29 |   33   0.7% |  2.777  44m06s |   2294.69    82485    n.a.%
Nov 11 10:29 |   41   0.8% |  2.715  43m05s |   2347.10    82485    n.a.%
Nov 11 10:30 |   45   0.9% |  2.690  42m38s |   2368.91    82485    n.a.%
Nov 11 10:30 |   48   1.0% |  2.771  43m52s |   2299.66    82485    n.a.%
Nov 11 10:30 |   56   1.1% |  2.687  42m30s |   2371.55    82485    n.a.%
2026-11-11 10:36:27 (6396): wrapper (7.24.26018): starting
2026-11-11 10:36:27 (6396): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-11 10:36:27 (6396): wrapper: created child process 19764
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       13.4

CUDA device info
  name                      NVIDIA GeForce RTX 4060
  compute capability        8.9
  max threads per block     1024
  max shared memory per MP  102400 bytes
  number of multiprocessors 24
  clock rate (CUDA cores)   2490 MHz
  memory clock rate:        8501 MHz
  memory bus width:         128 bits

Automatic parameters
  threads per grid          786432
  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=216148243 bit_min=76 bit_max=77 (70.80 GHz-days)
Starting trial factoring M216148243 from 2^76 to 2^77 (70.80 GHz-days)
 k_min =  174782507310180
 k_max =  349565014627087
Using GPU kernel "barrett87_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Nov 11 10:36 |    0   0.1% |  6.585   1h45m |    967.71    82485    n.a.%
Nov 11 10:36 |    5   0.2% |  6.727   1h47m |    947.28    82485    n.a.%
Nov 11 10:36 |   12   0.3% |  6.683   1h46m |    953.52    82485    n.a.%
Nov 11 10:36 |   17   0.4% |  6.666   1h46m |    955.95    82485    n.a.%
Nov 11 10:37 |   21   0.5% |  6.663   1h46m |    956.38    82485    n.a.%
Nov 11 10:37 |   32   0.6% |  6.691   1h46m |    952.38    82485    n.a.%
Nov 11 10:37 |   33   0.7% |  6.700   1h46m |    951.10    82485    n.a.%
Nov 11 10:37 |   41   0.8% |  6.652   1h45m |    957.96    82485    n.a.%
Nov 11 10:37 |   45   0.9% |  6.701   1h46m |    950.96    82485    n.a.%
Nov 11 10:37 |   48   1.0% |  6.575   1h44m |    969.18    82485    n.a.%
2026-11-11 10:52:36 (21704): wrapper (7.24.26018): starting
2026-11-11 10:52:36 (21704): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-11 10:52:36 (21704): wrapper: created child process 25444
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       13.4

CUDA device info
  name                      NVIDIA GeForce RTX 4060
  compute capability        8.9
  max threads per block     1024
  max shared memory per MP  102400 bytes
  number of multiprocessors 24
  clock rate (CUDA cores)   2490 MHz
  memory clock rate:        8501 MHz
  memory bus width:         128 bits

Automatic parameters
  threads per grid          786432
  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=216148243 bit_min=76 bit_max=77 (70.80 GHz-days)
Starting trial factoring M216148243 from 2^76 to 2^77 (70.80 GHz-days)
 k_min =  174782507310180
 k_max =  349565014627087
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 45
  no factors found so far.
  previous work took 60068 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Nov 11 10:52 |   48   1.0% |  2.548  40m21s |   2500.93    82485    n.a.%
Nov 11 10:52 |   56   1.1% |  2.674  42m18s |   2383.08    82485    n.a.%
Nov 11 10:52 |   60   1.2% |  2.788  44m03s |   2285.64    82485    n.a.%
Nov 11 10:52 |   65   1.4% |  2.684  42m22s |   2374.20    82485    n.a.%
Nov 11 10:52 |   68   1.5% |  2.762  43m33s |   2307.16    82485    n.a.%
Nov 11 10:52 |   72   1.6% |  2.696  42m28s |   2363.64    82485    n.a.%
Nov 11 10:52 |   77   1.7% |  2.851  44m51s |   2235.13    82485    n.a.%
Nov 11 10:52 |   80   1.8% |  2.698  42m24s |   2361.88    82485    n.a.%
Nov 11 10:53 |   81   1.9% |  2.717  42m39s |   2345.37    82485    n.a.%
Nov 11 10:53 |   93   2.0% |  2.760  43m17s |   2308.83    82485    n.a.%
Nov 11 10:53 |   96   2.1% |  2.708  42m26s |   2353.16    82485    n.a.%
Nov 11 10:53 |  101   2.2% |  2.757  43m09s |   2311.34    82485    n.a.%
Nov 11 10:53 |  105   2.3% |  2.712  42m24s |   2349.69    82485    n.a.%
Nov 11 10:53 |  116   2.4% |  2.696  42m06s |   2363.64    82485    n.a.%
Nov 11 10:53 |  117   2.5% |  2.691  41m59s |   2368.03    82485    n.a.%
Nov 11 10:53 |  125   2.6% |  2.711  42m15s |   2350.56    82485    n.a.%
Nov 11 10:53 |  128   2.7% |  2.721  42m21s |   2341.92    82485    n.a.%
Nov 11 10:53 |  132   2.8% |  2.653  41m15s |   2401.95    82485    n.a.%
Nov 11 10:53 |  137   2.9% |  2.801  43m31s |   2275.03    82485    n.a.%
Nov 11 10:53 |  140   3.0% |  2.757  42m47s |   2311.34    82485    n.a.%
Nov 11 10:53 |  153   3.1% |  2.684  41m36s |   2374.20    82485    n.a.%
Nov 11 10:53 |  156   3.2% |  2.732  42m18s |   2332.49    82485    n.a.%
Nov 11 10:53 |  161   3.3% |  2.775  42m55s |   2296.35    82485    n.a.%
Nov 11 10:53 |  165   3.4% |  2.693  41m36s |   2366.27    82485    n.a.%
Nov 11 10:53 |  168   3.5% |  2.899  44m44s |   2198.13    82485    n.a.%
Nov 11 10:53 |  173   3.6% |  2.746  42m20s |   2320.60    82485    n.a.%
Nov 11 10:53 |  177   3.8% |  2.674  41m11s |   2383.08    82485    n.a.%
Nov 11 10:53 |  180   3.9% |  2.841  43m42s |   2243.00    82485    n.a.%
2026-11-11 13:30:54 (28676): wrapper (7.24.26018): starting
2026-11-11 13:30:54 (28676): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-11 13:30:54 (28676): wrapper: created child process 41372
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       13.4

CUDA device info
  name                      NVIDIA GeForce RTX 4060
  compute capability        8.9
  max threads per block     1024
  max shared memory per MP  102400 bytes
  number of multiprocessors 24
  clock rate (CUDA cores)   2490 MHz
  memory clock rate:        8501 MHz
  memory bus width:         128 bits

Automatic parameters
  threads per grid          786432
  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=216148243 bit_min=76 bit_max=77 (70.80 GHz-days)
Starting trial factoring M216148243 from 2^76 to 2^77 (70.80 GHz-days)
 k_min =  174782507310180
 k_max =  349565014627087
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 161
  no factors found so far.
  previous work took 122644 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Nov 11 13:30 |  165   3.4% |  2.698  41m41s |   2361.88    82485    n.a.%
Nov 11 13:31 |  168   3.5% |  2.879  44m26s |   2213.40    82485    n.a.%
2026-11-11 13:34:03 (20028): wrapper (7.24.26018): starting
2026-11-11 13:34:03 (20028): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-11 13:34:03 (20028): wrapper: created child process 8216
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       13.4

CUDA device info
  name                      NVIDIA GeForce RTX 4060
  compute capability        8.9
  max threads per block     1024
  max shared memory per MP  102400 bytes
  number of multiprocessors 24
  clock rate (CUDA cores)   2490 MHz
  memory clock rate:        8501 MHz
  memory bus width:         128 bits

Automatic parameters
  threads per grid          786432
  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=216148243 bit_min=76 bit_max=77 (70.80 GHz-days)
Starting trial factoring M216148243 from 2^76 to 2^77 (70.80 GHz-days)
 k_min =  174782507310180
 k_max =  349565014627087
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 161
  no factors found so far.
  previous work took 122644 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Nov 11 13:34 |  165   3.4% |  2.624  40m32s |   2428.49    82485    n.a.%
Nov 11 13:34 |  168   3.5% |  2.806  43m18s |   2270.98    82485    n.a.%
2026-11-11 13:42:42 (16632): wrapper (7.24.26018): starting
2026-11-11 13:42:42 (16632): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-11 13:42:42 (16632): wrapper: created child process 12708
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       13.4

CUDA device info
  name                      NVIDIA GeForce RTX 4060
  compute capability        8.9
  max threads per block     1024
  max shared memory per MP  102400 bytes
  number of multiprocessors 24
  clock rate (CUDA cores)   2490 MHz
  memory clock rate:        8501 MHz
  memory bus width:         128 bits

Automatic parameters
  threads per grid          786432
  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=216148243 bit_min=76 bit_max=77 (70.80 GHz-days)
Starting trial factoring M216148243 from 2^76 to 2^77 (70.80 GHz-days)
 k_min =  174782507310180
 k_max =  349565014627087
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 161
  no factors found so far.
  previous work took 122644 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Nov 11 13:42 |  165   3.4% |  3.070  47m26s |   2075.69    82485    n.a.%
Nov 11 13:42 |  168   3.5% |  3.285  50m42s |   1939.84    82485    n.a.%
2026-11-11 14:00:28 (3460): wrapper (7.24.26018): starting
2026-11-11 14:00:28 (3460): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-11 14:00:28 (3460): wrapper: created child process 19116
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       13.4

CUDA device info
  name                      NVIDIA GeForce RTX 4060
  compute capability        8.9
  max threads per block     1024
  max shared memory per MP  102400 bytes
  number of multiprocessors 24
  clock rate (CUDA cores)   2490 MHz
  memory clock rate:        8501 MHz
  memory bus width:         128 bits

Automatic parameters
  threads per grid          786432
  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=216148243 bit_min=76 bit_max=77 (70.80 GHz-days)
Starting trial factoring M216148243 from 2^76 to 2^77 (70.80 GHz-days)
 k_min =  174782507310180
 k_max =  349565014627087
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 161
  no factors found so far.
  previous work took 122644 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Nov 11 14:00 |  165   3.4% | 13.754   3h32m |    463.31    82485    n.a.%
ERROR: cudaGetLastError() returned 999: unknown error
2026-11-11 14:00:43 (3460): mfaktc-win-64.exe exited; CPU time 1.078125
2026-11-11 14:00:43 (3460): app exit status: 0x1
2026-11-11 14:00:43 (3460): called boinc_finish(195)
2026-11-11 14:03:46 (38308): wrapper (7.24.26018): starting
2026-11-11 14:03:46 (38308): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-11 14:03:46 (38308): wrapper: created child process 43240
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       13.4
cudaSetDevice(0) failed
  cudaGetLastError() returned 1: invalid argument
2026-11-11 14:03:47 (38308): mfaktc-win-64.exe exited; CPU time 0.000000
2026-11-11 14:03:47 (38308): app exit status: 0x1
2026-11-11 14:03:47 (38308): called boinc_finish(195)

</stderr_txt>
]]>


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