Trace number 1529084

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 0.031994 0.0330831

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/480/
unif-k3-r4.25-v480-c2040-S957997002-040.cnf
MD5SUM92eaf07e43795c59dd53e3c833d9e0f0
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.017996
Satisfiable
(Un)Satisfiability was proved
Number of variables480
Number of clauses2040
Sum of the clauses size6120
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32040
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 = 480, numClauses = 2040
0.00/0.00	c General parameters: seed = 1127146516, 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 
0.00/0.03	c      0    19570         0     19570      5035      0.03
0.00/0.03	s SATISFIABLE
0.00/0.03	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 0
0.00/0.03	c Done in 0.030000 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-1529084-1238589423/watcher-1529084-1238589423 -o /tmp/evaluation-result-1529084-1238589423/solver-1529084-1238589423 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+2 HOME/instance-1529084-1238589423.cnf 1127146516 

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 0.99 1.22 2/64 21404
/proc/meminfo: memFree=1595952/2055920 swapFree=4179168/4192956
[pid=21404] ppid=21402 vsize=1017720 CPUtime=0
/proc/21404/stat : 21404 (gnovelty+2) R 21402 21404 21163 0 -1 4194304 171 0 0 0 0 0 0 0 18 0 1 0 1131604202 1042145280 154 1992294400 134512640 135663704 4294956208 18446744073709551615 135101030 0 0 4096 0 0 0 0 17 1 0 0
/proc/21404/statm: 254430 162 110 281 0 254146 0

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

Child status: 10
Real time (s): 0.0330831
CPU time (s): 0.031994
CPU user time (s): 0.030995
CPU system time (s): 0.000999
CPU usage (%): 96.708
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.030995
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 195
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= 5

runsolver used 0.002999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node61 at 2009-04-01 14:37:03
IDJOB=1529084
IDBENCH=70715
IDSOLVER=548
FILE ID=node61/1529084-1238589423
PBS_JOBID= 9068306
Free space on /tmp= 66344 MiB

SOLVER NAME= gnovelty+2 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/480/unif-k3-r4.25-v480-c2040-S957997002-040.cnf
COMMAND LINE= HOME/gnovelty+2 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1529084-1238589423/watcher-1529084-1238589423 -o /tmp/evaluation-result-1529084-1238589423/solver-1529084-1238589423 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+2 HOME/instance-1529084-1238589423.cnf 1127146516

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

MD5SUM BENCH= 92eaf07e43795c59dd53e3c833d9e0f0
RANDOM SEED=1127146516

node61.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		: 3000.238
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		: 3000.238
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:       1596368 kB
Buffers:         89452 kB
Cached:         276220 kB
SwapCached:       7920 kB
Active:         203972 kB
Inactive:       171376 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1596368 kB
SwapTotal:     4192956 kB
SwapFree:      4179168 kB
Dirty:            1420 kB
Writeback:           0 kB
Mapped:          15416 kB
Slab:            70264 kB
Committed_AS:  2773784 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66344 MiB
End job on node61 at 2009-04-01 14:37:03