Trace number 1543094

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 1.39679 0.772296

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/540/
unif-k3-r4.25-v540-c2295-S900737394-048.cnf
MD5SUMa3ba32614e3b11804668b06c2afeb296
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.018996
Satisfiable
(Un)Satisfiability was proved
Number of variables540
Number of clauses2295
Sum of the clauses size6885
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32295
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 
1.26/0.75	s SATISFIABLE
1.26/0.75	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 0
1.26/0.75	c Done in 1.120000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1543094-1238588359/watcher-1543094-1238588359 -o /tmp/evaluation-result-1543094-1238588359/solver-1543094-1238588359 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1543094-1238588359.cnf 1428084572 2 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 1.00 1.13 3/64 465
/proc/meminfo: memFree=1031600/2055920 swapFree=4176444/4192956
[pid=465] ppid=463 vsize=509152 CPUtime=0
/proc/465/stat : 465 (gnovelty+) R 463 465 32211 0 -1 4194304 1055 0 0 0 0 0 0 0 20 0 1 0 1131501264 521371648 1040 1992294400 134512640 135680988 4294956192 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/465/statm: 127288 1049 102 285 0 127000 0

[startup+0.040592 s]
/proc/loadavg: 0.92 1.00 1.13 3/64 465
/proc/meminfo: memFree=1031600/2055920 swapFree=4176444/4192956
[pid=465] ppid=463 vsize=509152 CPUtime=0.03
/proc/465/stat : 465 (gnovelty+) R 463 465 32211 0 -1 4194304 8425 0 0 0 0 3 0 0 20 0 1 0 1131501264 521371648 8411 1992294400 134512640 135680988 4294956192 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/465/statm: 127288 8419 102 285 0 127000 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 509152

[startup+0.101596 s]
/proc/loadavg: 0.92 1.00 1.13 3/64 465
/proc/meminfo: memFree=1031600/2055920 swapFree=4176444/4192956
[pid=465] ppid=463 vsize=516964 CPUtime=0.09
/proc/465/stat : 465 (gnovelty+) R 463 465 32211 0 -1 4194304 15978 0 0 0 3 6 0 0 20 0 1 0 1131501264 529371136 15962 1992294400 134512640 135680988 4294956192 18446744073709551615 134537968 0 0 4096 0 0 0 0 17 1 0 0
/proc/465/statm: 129241 15966 102 285 0 128953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 516964

[startup+0.301618 s]
/proc/loadavg: 0.92 1.00 1.13 3/64 465
/proc/meminfo: memFree=1031600/2055920 swapFree=4176444/4192956
[pid=465] ppid=463 vsize=529296 CPUtime=0.46
/proc/465/stat : 465 (gnovelty+) R 463 465 32211 0 -1 4194304 19750 0 0 0 35 11 0 0 17 0 2 0 1131501264 541999104 19734 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/465/statm: 132324 19734 106 285 0 132036 0
Current children cumulated CPU time (s) 0.46
Current children cumulated vsize (KiB) 529296

[startup+0.701658 s]
/proc/loadavg: 0.92 1.00 1.13 3/64 465
/proc/meminfo: memFree=1031600/2055920 swapFree=4176444/4192956
[pid=465] ppid=463 vsize=529296 CPUtime=1.26
/proc/465/stat : 465 (gnovelty+) R 463 465 32211 0 -1 4194304 19750 0 0 0 106 20 0 0 16 0 2 0 1131501264 541999104 19734 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/465/statm: 132324 19734 106 285 0 132036 0
Current children cumulated CPU time (s) 1.26
Current children cumulated vsize (KiB) 529296

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

Child status: 10
Real time (s): 0.772296
CPU time (s): 1.39679
CPU user time (s): 1.16182
CPU system time (s): 0.234964
CPU usage (%): 180.862
Max. virtual memory (cumulated for all children) (KiB): 529296

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.16182
system time used= 0.234964
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19765
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= 175
involuntary context switches= 11

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node27 at 2009-04-01 14:19:19
IDJOB=1543094
IDBENCH=70712
IDSOLVER=550
FILE ID=node27/1543094-1238588359
PBS_JOBID= 9062222
Free space on /tmp= 65720 MiB

SOLVER NAME= gNovelty+-T 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/540/unif-k3-r4.25-v540-c2295-S900737394-048.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1543094-1238588359/watcher-1543094-1238588359 -o /tmp/evaluation-result-1543094-1238588359/solver-1543094-1238588359 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1543094-1238588359.cnf 1428084572 2

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 2

MD5SUM BENCH= a3ba32614e3b11804668b06c2afeb296
RANDOM SEED=1428084572

node27.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		: 2800.196
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	: 5521.40
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		: 2800.196
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:       1032016 kB
Buffers:         95608 kB
Cached:         824256 kB
SwapCached:       9492 kB
Active:         201744 kB
Inactive:       729264 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1032016 kB
SwapTotal:     4192956 kB
SwapFree:      4176444 kB
Dirty:            1456 kB
Writeback:           0 kB
Mapped:          16828 kB
Slab:            78788 kB
Committed_AS:  2995248 kB
PageTables:       1380 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 65716 MiB
End job on node27 at 2009-04-01 14:19:20