Trace number 297435

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
adaptg2wsat0 2007-02-08SAT 1.02584 1.02768

General information on the benchmark

Namerandom/OnTreshold/3SAT/v550/
unif-k3-r4.26-v550-c2343-S1238286461-19.SAT.shuffled.cnf
MD5SUMfeae85ae56b54fcbcde345d479230ced
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.12198
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)

0.92/1.02	c try 1 flip j 1031220
0.92/1.02	c A solution is found
0.92/1.02	s SATISFIABLE
0.92/1.02	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 
0.92/1.02	v 0 
0.92/1.02	c Done (mycputime is 1.020 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/node75/watcher-297435-1171838445 -o ROOT/results/node75/solver-297435-1171838445 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/297435-1171838445/adaptg2wsat0 /tmp/evaluation/297435-1171838445/instance-297435-1171838445.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: 0.92 0.98 0.99 3/64 21906
/proc/meminfo: memFree=708328/2055920 swapFree=4183176/4192956
[pid=21906] ppid=21904 vsize=215152 CPUtime=0
/proc/21906/stat : 21906 (adaptg2wsat0) R 21904 21906 20775 0 -1 4194304 133 0 0 0 0 0 0 0 18 0 1 0 203810372 220315648 116 18446744073709551615 134512640 134930208 4294956704 18446744073709551615 134523657 0 0 4096 0 0 0 0 17 0 0 0
/proc/21906/statm: 53788 116 40 101 0 53294 0

[startup+0.107699 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 21906
/proc/meminfo: memFree=708328/2055920 swapFree=4183176/4192956
[pid=21906] ppid=21904 vsize=215284 CPUtime=0.1
/proc/21906/stat : 21906 (adaptg2wsat0) R 21904 21906 20775 0 -1 4194304 188 0 0 0 10 0 0 0 18 0 1 0 203810372 220450816 168 18446744073709551615 134512640 134930208 4294956704 18446744073709551615 134545532 0 0 4096 0 0 0 0 17 0 0 0
/proc/21906/statm: 53821 168 43 101 0 53327 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 215284

[startup+0.515746 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 21906
/proc/meminfo: memFree=708328/2055920 swapFree=4183176/4192956
[pid=21906] ppid=21904 vsize=215284 CPUtime=0.51
/proc/21906/stat : 21906 (adaptg2wsat0) R 21904 21906 20775 0 -1 4194304 188 0 0 0 51 0 0 0 22 0 1 0 203810372 220450816 168 18446744073709551615 134512640 134930208 4294956704 18446744073709551615 134546770 0 0 4096 0 0 0 0 17 0 0 0
/proc/21906/statm: 53821 168 43 101 0 53327 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 215284

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

[startup+0.822782 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 21906
/proc/meminfo: memFree=708328/2055920 swapFree=4183176/4192956
[pid=21906] ppid=21904 vsize=215284 CPUtime=0.82
/proc/21906/stat : 21906 (adaptg2wsat0) R 21904 21906 20775 0 -1 4194304 188 0 0 0 82 0 0 0 25 0 1 0 203810372 220450816 168 18446744073709551615 134512640 134930208 4294956704 18446744073709551615 134545325 0 0 4096 0 0 0 0 17 0 0 0
/proc/21906/statm: 53821 168 43 101 0 53327 0
Current children cumulated CPU time (s) 0.82
Current children cumulated vsize (KiB) 215284

[startup+0.925795 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 21906
/proc/meminfo: memFree=708328/2055920 swapFree=4183176/4192956
[pid=21906] ppid=21904 vsize=215284 CPUtime=0.92
/proc/21906/stat : 21906 (adaptg2wsat0) R 21904 21906 20775 0 -1 4194304 188 0 0 0 92 0 0 0 25 0 1 0 203810372 220450816 168 18446744073709551615 134512640 134930208 4294956704 18446744073709551615 134540881 0 0 4096 0 0 0 0 17 0 0 0
/proc/21906/statm: 53821 168 43 101 0 53327 0
Current children cumulated CPU time (s) 0.92
Current children cumulated vsize (KiB) 215284

Child status: 10
Real time (s): 1.02768
CPU time (s): 1.02584
CPU user time (s): 1.02484
CPU system time (s): 0.000999
CPU usage (%): 99.8211
Max. virtual memory (cumulated for all children) (KiB): 215284

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.02484
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= 202
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= 7

runsolver used 0.002999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node75 on Sun Feb 18 22:40:45 UTC 2007

IDJOB= 297435
IDBENCH= 19961
IDSOLVER= 126
FILE ID= node75/297435-1171838445

PBS_JOBID= 3839707

Free space on /tmp= 66558 MiB

SOLVER NAME= adaptg2wsat0 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/3SAT/v550/unif-k3-r4.26-v550-c2343-S1238286461-19.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/297435-1171838445/adaptg2wsat0 /tmp/evaluation/297435-1171838445/instance-297435-1171838445.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node75/watcher-297435-1171838445 -o ROOT/results/node75/solver-297435-1171838445 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/297435-1171838445/adaptg2wsat0 /tmp/evaluation/297435-1171838445/instance-297435-1171838445.cnf            

META MD5SUM SOLVER= dc7cfffb7b5aa51d884144c196acd75c
MD5SUM BENCH=  feae85ae56b54fcbcde345d479230ced

RANDOM SEED= 721350312

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node75.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		: 3000.218
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		: 3000.218
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:        708800 kB
Buffers:         49952 kB
Cached:        1174956 kB
SwapCached:       3920 kB
Active:         823484 kB
Inactive:       411088 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        708800 kB
SwapTotal:     4192956 kB
SwapFree:      4183176 kB
Dirty:            6144 kB
Writeback:           0 kB
Mapped:          15632 kB
Slab:            98500 kB
Committed_AS:   608856 kB
PageTables:       1432 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 node75 on Sun Feb 18 22:40:46 UTC 2007