Trace number 1543108

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+-V.2-T 2009-03-22SAT 0.634902 0.321588

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/480/
unif-k3-r4.25-v480-c2040-S1229813320-044.cnf
MD5SUM2315ae7c52f58a7ab05069e081d5c3af
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.031994
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 
0.17/0.32	s SATISFIABLE
0.17/0.32	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

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-1543108-1238589057/watcher-1543108-1238589057 -o /tmp/evaluation-result-1543108-1238589057/solver-1543108-1238589057 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1543108-1238589057.cnf 1602000130 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: 1.00 1.00 1.00 2/69 21143
/proc/meminfo: memFree=1503520/2055920 swapFree=4171336/4192956
[pid=21143] ppid=21141 vsize=71136 CPUtime=0
/proc/21143/stat : 21143 (gnovelty+) R 21141 21143 20418 0 -1 4194304 193 0 0 0 0 0 0 0 18 0 2 0 1131568808 72843264 177 1992294400 134512640 135728688 4294956192 18446744073709551615 134528224 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/21143/statm: 17784 177 104 296 0 17485 0
[pid=21143/tid=21144] ppid=21141 vsize=71136 CPUtime=0
/proc/21143/task/21144/stat : 21144 (gnovelty+) R 21141 21143 20418 0 -1 4194368 0 0 0 0 0 0 0 0 19 0 2 0 1131568808 72843264 177 1992294400 134512640 135728688 4294956192 18446744073709551615 135205972 0 0 4096 0 0 0 0 -1 1 0 0

[startup+0.044024 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 21143
/proc/meminfo: memFree=1503520/2055920 swapFree=4171336/4192956
[pid=21143] ppid=21141 vsize=71136 CPUtime=0.17
/proc/21143/stat : 21143 (gnovelty+) R 21141 21143 20418 0 -1 4194304 198 0 0 0 14 3 0 0 16 0 2 0 1131568808 72843264 182 1992294400 134512640 135728688 4294956192 18446744073709551615 134611886 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/21143/statm: 17784 182 104 296 0 17485 0
[pid=21143/tid=21144] ppid=21141 vsize=71136 CPUtime=0.18
/proc/21143/task/21144/stat : 21144 (gnovelty+) R 21141 21143 20418 0 -1 4194368 5 0 0 0 15 3 0 0 17 0 2 0 1131568808 72843264 182 1992294400 134512640 135728688 4294956192 18446744073709551615 134612145 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 71136

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

[startup+0.044024 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 21143
/proc/meminfo: memFree=1503520/2055920 swapFree=4171336/4192956
[pid=21143] ppid=21141 vsize=71136 CPUtime=0.17
/proc/21143/stat : 21143 (gnovelty+) R 21141 21143 20418 0 -1 4194304 198 0 0 0 14 3 0 0 16 0 2 0 1131568808 72843264 182 1992294400 134512640 135728688 4294956192 18446744073709551615 134611886 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/21143/statm: 17784 182 104 296 0 17485 0
[pid=21143/tid=21144] ppid=21141 vsize=71136 CPUtime=0.18
/proc/21143/task/21144/stat : 21144 (gnovelty+) R 21141 21143 20418 0 -1 4194368 5 0 0 0 15 3 0 0 17 0 2 0 1131568808 72843264 182 1992294400 134512640 135728688 4294956192 18446744073709551615 134612145 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 71136

Child status: 10
Real time (s): 0.321588
CPU time (s): 0.634902
CPU user time (s): 0.508922
CPU system time (s): 0.12598
CPU usage (%): 197.427
Max. virtual memory (cumulated for all children) (KiB): 71136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.508922
system time used= 0.12598
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 207
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= 103
involuntary context switches= 4

runsolver used 0.003999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node44 at 2009-04-01 14:30:57
IDJOB=1543108
IDBENCH=70714
IDSOLVER=552
FILE ID=node44/1543108-1238589057
PBS_JOBID= 9062218
Free space on /tmp= 66400 MiB

SOLVER NAME= gNovelty+-V.2-T 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/480/unif-k3-r4.25-v480-c2040-S1229813320-044.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1543108-1238589057/watcher-1543108-1238589057 -o /tmp/evaluation-result-1543108-1238589057/solver-1543108-1238589057 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1543108-1238589057.cnf 1602000130 2

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

MD5SUM BENCH= 2315ae7c52f58a7ab05069e081d5c3af
RANDOM SEED=1602000130

node44.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		: 3000.241
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		: 3000.241
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:       1503936 kB
Buffers:         94384 kB
Cached:         350828 kB
SwapCached:      11068 kB
Active:         211844 kB
Inactive:       245944 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1503936 kB
SwapTotal:     4192956 kB
SwapFree:      4171336 kB
Dirty:            1484 kB
Writeback:           0 kB
Mapped:          18228 kB
Slab:            79544 kB
Committed_AS:  2815980 kB
PageTables:       1796 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= 66396 MiB
End job on node44 at 2009-04-01 14:30:57