Trace number 297392

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, and are wall clock time (not CPU 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
adaptg2wsat+ 2007-02-08SAT 0.070988 0.0708621

General information on the benchmark

Namerandom/OnTreshold/3SAT/v550/
unif-k3-r4.26-v550-c2343-S1141835011-09.SAT.shuffled.cnf
MD5SUMa2f5767c9c51923440a1204368c12b36
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.029994
Satisfiable
(Un)Satisfiability was proved
Number of variables550
Number of clauses2343
Sum of the clauses size7029
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32343
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.06	c try 1 flip j 56171
0.00/0.06	c A solution is found
0.00/0.06	s SATISFIABLE
0.00/0.06	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 
0.00/0.06	v 0 
0.00/0.06	c Done (mycputime is 0.000 seconds)

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node58/watcher-297392-1171837850 -o ROOT/results/node58/solver-297392-1171837850 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/297392-1171837850/adaptg2wsat+ /tmp/evaluation/297392-1171837850/instance-297392-1171837850.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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 0.96 3/64 11637
/proc/meminfo: memFree=1024048/2055920 swapFree=4183260/4192956
[pid=11637] ppid=11635 vsize=215152 CPUtime=0
/proc/11637/stat : 11637 (adaptg2wsat+) R 11635 11637 9853 0 -1 4194304 131 0 0 0 0 0 0 0 18 0 1 0 203741716 220315648 114 18446744073709551615 134512640 134930140 4294956704 18446744073709551615 134522064 0 0 4096 0 0 0 0 17 1 0 0
/proc/11637/statm: 53788 114 38 101 0 53294 0

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

Child status: 10
Real time (s): 0.0708621
CPU time (s): 0.070988
CPU user time (s): 0.068989
CPU system time (s): 0.001999
CPU usage (%): 100.178
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.068989
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 199
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= 8
involuntary context switches= 0

runsolver used 0.004999 second user time and 0.002999 second system time

The end

Launcher Data (download as text)

Begin job on node58 on Sun Feb 18 22:30:50 UTC 2007

IDJOB= 297392
IDBENCH= 19960
IDSOLVER= 124
FILE ID= node58/297392-1171837850

PBS_JOBID= 3839701

Free space on /tmp= 66558 MiB

SOLVER NAME= adaptg2wsat+ 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/3SAT/v550/unif-k3-r4.26-v550-c2343-S1141835011-09.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/297392-1171837850/adaptg2wsat+ /tmp/evaluation/297392-1171837850/instance-297392-1171837850.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node58/watcher-297392-1171837850 -o ROOT/results/node58/solver-297392-1171837850 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/297392-1171837850/adaptg2wsat+ /tmp/evaluation/297392-1171837850/instance-297392-1171837850.cnf            

META MD5SUM SOLVER= 4ad8950502569bcbd9dc3ae819b6eefe
MD5SUM BENCH=  a2f5767c9c51923440a1204368c12b36

RANDOM SEED= 988715914

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node58.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.234
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		: 3000.234
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:       1024456 kB
Buffers:         52552 kB
Cached:         867268 kB
SwapCached:       4096 kB
Active:         600572 kB
Inactive:       329816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1024456 kB
SwapTotal:     4192956 kB
SwapFree:      4183260 kB
Dirty:            6152 kB
Writeback:           0 kB
Mapped:          15996 kB
Slab:            87112 kB
Committed_AS:   490744 kB
PageTables:       1384 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= 66558 MiB

End job on node58 on Sun Feb 18 22:30:51 UTC 2007