Trace number 1783408

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
gNovelty+-T 2009-03-22SAT 0.219966 0.220493

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/560/
unif-k3-r4.25-v560-c2380-S1876865608-086.cnf
MD5SUMa08fcca560a80877927507a2ea133f40
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.011998
Satisfiable
(Un)Satisfiability was proved
Number of variables560
Number of clauses2380
Sum of the clauses size7140
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32380
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.09/0.13	c +------------------------------+
0.09/0.13	c | gNovelty+, version 1.0       |
0.09/0.13	c +------------------------------+
0.09/0.13	c gnovelty+ -h for help
0.09/0.13	c 
0.19/0.20	s SATISFIABLE
0.19/0.20	v 1 2 -3 -4 -5 6 7 -8 9 -10 -11 12 -13 -14 15 -16 17 -18 -19 20 -21 -22 23 24 -25 26 -27 -28 -29 -30 -31 -32 -33 -34 35 36 37 -38 39 -40 -41 -42 43 44 -45 46 -47 48 -49 -50 -51 -52 53 54 55 -56 57 -58 -59 -60 -61 62 63 -64 -65 -66 67 68 69 -70 71 72 73 -74 75 -76 -77 -78 -79 80 81 82 83 84 85 -86 87 -88 89 90 91 -92 -93 94 -95 96 97 98 99 -100 101 102 103 104 105 -106 107 108 109 -110 111 112 -113 -114 -115 -116 -117 -118 119 -120 121 -122 123 124 -125 126 127 -128 -129 -130 -131 132 133 134 135 136 -137 138 139 140 -141 142 143 144 145 -146 147 -148 -149 -150 -151 152 -153 -154 155 156 -157 -158 159 160 161 -162 163 164 -165 -166 167 168 169 -170 -171 -172 173 174 -175 176 -177 -178 -179 -180 181 182 -183 184 185 -186 187 -188 -189 -190 -191 -192 193 194 -195 196 -197 198 -199 200 -201 202 -203 -204 -205 -206 -207 208 -209 210 -211 -212 213 214 215 -216 217 -218 219 220 221 222 -223 224 225 226 227 228 -229 230 231 -232 -233 234 -235 236 -237 -238 -239 240 241 242 -243 244 -245 -246 247 -248 -249 250 251 252 -253 -254 -255 -256 257 258 259 260 261 -262 -263 264 -265 -266 -267 -268 269 -270 -271 272 -273 -274 -275 276 -277 -278 -279 280 -281 282 -283 284 285 286 287 -288 -289 290 -291 -292 293 294 -295 296 -297 298 299 300 301 -302 -303 -304 -305 -306 307 -308 309 -310 311 -312 -313 314 315 316 317 -318 319 -320 -321 322 -323 -324 325 326 327 328 -329 -330 331 332 333 -334 -335 -336 -337 338 -339 340 341 -342 343 344 345 -346 -347 348 349 -350 351 352 353 354 -355 -356 357 358 359 360 -361 362 -363 364 365 -366 367 368 369 370 371 372 373 374 375 376 -377 -378 -379 -380 381 382 -383 384 385 -386 -387 -388 389 -390 391 -392 393 -394 -395 -396 -397 398 399 400 401 402 -403 404 -405 -406 -407 -408 409 410 -411 -412 -413 414 -415 416 417 418 -419 420 421 -422 423 -424 -425 -426 -427 428 429 -430 -431 432 -433 -434 -435 -436 437 -438 -439 -440 441 -442 443 -444 -445 446 447 -448 449 -450 -451 452 453 -454 -455 -456 457 458 459 -460 -461 -462 -463 -464 465 -466 -467 -468 469 470 471 472 473 474 475 476 477 -478 479 480 481 -482 483 -484 485 486 -487 -488 489 490 -491 -492 -493 -494 495 -496 497 498 499 -500 501 -502 503 -504 -505 -506 507 508 -509 -510 -511 512 513 -514 515 -516 -517 518 -519 -520 -521 522 -523 524 -525 526 527 528 -529 -530 -531 532 -533 534 535 536 -537 -538 -539 540 -541 542 -543 -544 -545 546 547 -548 -549 -550 -551 552 553 554 555 556 -557 558 -559 560 0
0.19/0.20	c Done in 0.080000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1783408-1241731651/watcher-1783408-1241731651 -o /tmp/evaluation-result-1783408-1241731651/solver-1783408-1241731651 -C 5000 -W 6000 -M 1800 HOME/gnovelty+ HOME/instance-1783408-1241731651.cnf 1676310790 0 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.78 0.95 0.98 3/64 23734
/proc/meminfo: memFree=1962408/2055920 swapFree=4156236/4192956
[pid=23734] ppid=23732 vsize=509152 CPUtime=0
/proc/23734/stat : 23734 (gnovelty+) R 23732 23734 23616 0 -1 4194304 1000 0 0 0 0 0 0 0 18 0 1 0 201192634 521371648 985 1992294400 134512640 135680988 4294956208 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/23734/statm: 127288 993 102 285 0 127000 0

[startup+0.035886 s]
/proc/loadavg: 0.78 0.95 0.98 3/64 23734
/proc/meminfo: memFree=1962408/2055920 swapFree=4156236/4192956
[pid=23734] ppid=23732 vsize=509152 CPUtime=0.02
/proc/23734/stat : 23734 (gnovelty+) R 23732 23734 23616 0 -1 4194304 7286 0 0 0 0 2 0 0 18 0 1 0 201192634 521371648 7271 1992294400 134512640 135680988 4294956208 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/23734/statm: 127288 7280 102 285 0 127000 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 509152

[startup+0.101889 s]
/proc/loadavg: 0.78 0.95 0.98 3/64 23734
/proc/meminfo: memFree=1962408/2055920 swapFree=4156236/4192956
[pid=23734] ppid=23732 vsize=516964 CPUtime=0.09
/proc/23734/stat : 23734 (gnovelty+) R 23732 23734 23616 0 -1 4194304 15880 0 0 0 3 6 0 0 18 0 1 0 201192634 529371136 15864 1992294400 134512640 135680988 4294956208 18446744073709551615 134537779 0 0 4096 0 0 0 0 17 1 0 0
/proc/23734/statm: 129241 15869 102 285 0 128953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 516964

Solver just ended. Dumping a history of the last processes samples

[startup+0.201896 s]
/proc/loadavg: 0.78 0.95 0.98 3/64 23734
/proc/meminfo: memFree=1962408/2055920 swapFree=4156236/4192956
[pid=23734] ppid=23732 vsize=517944 CPUtime=0.19
/proc/23734/stat : 23734 (gnovelty+) R 23732 23734 23616 0 -1 4194304 19725 0 0 0 12 7 0 0 18 0 1 0 201192634 530374656 19709 1992294400 134512640 135680988 4294956208 18446744073709551615 134545720 0 0 4096 0 0 0 0 17 1 0 0
/proc/23734/statm: 129486 19709 104 285 0 129198 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 517944

Child status: 10
Real time (s): 0.220493
CPU time (s): 0.219966
CPU user time (s): 0.13098
CPU system time (s): 0.088986
CPU usage (%): 99.7609
Max. virtual memory (cumulated for all children) (KiB): 517944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.13098
system time used= 0.088986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19741
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2
involuntary context switches= 1

runsolver used 0.003999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node52 at 2009-05-07 23:27:32
IDJOB=1783408
IDBENCH=70680
IDSOLVER=636
FILE ID=node52/1783408-1241731651
PBS_JOBID= 9264444
Free space on /tmp= 66312 MiB

SOLVER NAME= gNovelty+-T 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/560/unif-k3-r4.25-v560-c2380-S1876865608-086.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1783408-1241731651/watcher-1783408-1241731651 -o /tmp/evaluation-result-1783408-1241731651/solver-1783408-1241731651 -C 5000 -W 6000 -M 1800  HOME/gnovelty+ HOME/instance-1783408-1241731651.cnf 1676310790 0

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= a08fcca560a80877927507a2ea133f40
RANDOM SEED=1676310790

node52.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.214
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.214
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1962888 kB
Buffers:          8672 kB
Cached:          20044 kB
SwapCached:      31260 kB
Active:          36380 kB
Inactive:        25616 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1962888 kB
SwapTotal:     4192956 kB
SwapFree:      4156236 kB
Dirty:            1704 kB
Writeback:           0 kB
Mapped:          13296 kB
Slab:            16996 kB
Committed_AS:   813780 kB
PageTables:       1476 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66312 MiB
End job on node52 at 2009-05-07 23:27:32