Trace number 1529069

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+2 2009-03-22SAT 0.12798 0.129488

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/540/
unif-k3-r4.25-v540-c2295-S433356712-017.cnf
MD5SUM4a78ab70ae5c4ba56ac4f88e429d1c79
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.082986
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 

0.00/0.00	c +------------------------------+
0.00/0.00	c | gNovelty+, version 2.0       |
0.00/0.00	c +------------------------------+
0.00/0.00	c gnovelty+ -h for help
0.00/0.00	c 
0.00/0.00	c Problem instance: numAtoms = 540, numClauses = 2295
0.00/0.00	c General parameters: seed = 389415076, timeout = 10 secs, targetCost = 0, print solution: no
0.00/0.00	c gNovelty+ parameters: walkprob = 0.01, smoothprob = 0.40, noise = adaptive
0.00/0.00	c tries = 1
0.00/0.00	c 
0.09/0.12	c      0    88371         0     88371     26162      0.12
0.09/0.12	s SATISFIABLE
0.09/0.12	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
0.09/0.12	c Done in 0.120000 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-1529069-1238587530/watcher-1529069-1238587530 -o /tmp/evaluation-result-1529069-1238587530/solver-1529069-1238587530 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+2 HOME/instance-1529069-1238587530.cnf 389415076 

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: 1.00 1.00 1.00 2/71 22507
/proc/meminfo: memFree=1245448/2055920 swapFree=4170332/4192956
[pid=22507] ppid=22505 vsize=1017720 CPUtime=0
/proc/22507/stat : 22507 (gnovelty+2) R 22505 22507 22322 0 -1 4194304 189 0 0 0 0 0 0 0 18 0 1 0 1131416134 1042145280 172 1992294400 134512640 135663704 4294956224 18446744073709551615 134521988 0 0 4096 0 0 0 0 17 1 0 0
/proc/22507/statm: 254430 173 110 281 0 254146 0

[startup+0.0568999 s]
/proc/loadavg: 1.00 1.00 1.00 2/71 22507
/proc/meminfo: memFree=1245448/2055920 swapFree=4170332/4192956
[pid=22507] ppid=22505 vsize=1017720 CPUtime=0.05
/proc/22507/stat : 22507 (gnovelty+2) R 22505 22507 22322 0 -1 4194304 196 0 0 0 5 0 0 0 18 0 1 0 1131416134 1042145280 179 1992294400 134512640 135663704 4294956224 18446744073709551615 134545534 0 0 4096 0 0 0 0 17 1 0 0
/proc/22507/statm: 254430 179 112 281 0 254146 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 1017720

[startup+0.101907 s]
/proc/loadavg: 1.00 1.00 1.00 2/71 22507
/proc/meminfo: memFree=1245448/2055920 swapFree=4170332/4192956
[pid=22507] ppid=22505 vsize=1017720 CPUtime=0.09
/proc/22507/stat : 22507 (gnovelty+2) R 22505 22507 22322 0 -1 4194304 196 0 0 0 9 0 0 0 18 0 1 0 1131416134 1042145280 179 1992294400 134512640 135663704 4294956224 18446744073709551615 134545793 0 0 4096 0 0 0 0 17 1 0 0
/proc/22507/statm: 254430 179 112 281 0 254146 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1017720

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

Child status: 10
Real time (s): 0.129488
CPU time (s): 0.12798
CPU user time (s): 0.12798
CPU system time (s): 0
CPU usage (%): 98.8355
Max. virtual memory (cumulated for all children) (KiB): 1017720

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.12798
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 200
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= 6

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node38 at 2009-04-01 14:05:30
IDJOB=1529069
IDBENCH=70710
IDSOLVER=548
FILE ID=node38/1529069-1238587530
PBS_JOBID= 9062233
Free space on /tmp= 65528 MiB

SOLVER NAME= gnovelty+2 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/540/unif-k3-r4.25-v540-c2295-S433356712-017.cnf
COMMAND LINE= HOME/gnovelty+2 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1529069-1238587530/watcher-1529069-1238587530 -o /tmp/evaluation-result-1529069-1238587530/solver-1529069-1238587530 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+2 HOME/instance-1529069-1238587530.cnf 389415076

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4a78ab70ae5c4ba56ac4f88e429d1c79
RANDOM SEED=389415076

node38.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		: 3000.259
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	: 5931.00
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		: 3000.259
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:       1245928 kB
Buffers:         94840 kB
Cached:         612408 kB
SwapCached:      11172 kB
Active:         205220 kB
Inactive:       514640 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1245928 kB
SwapTotal:     4192956 kB
SwapFree:      4170332 kB
Dirty:            1428 kB
Writeback:           0 kB
Mapped:          18376 kB
Slab:            75340 kB
Committed_AS:  3238660 kB
PageTables:       1988 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= 65528 MiB
End job on node38 at 2009-04-01 14:05:31