Trace number 1534663

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
adaptg2wsat2009++ 2009-03-23SAT 0.12098 0.121443

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/540/
unif-k3-r4.25-v540-c2295-S2142680239-019.cnf
MD5SUM2937149ca8da560a9415e9a967cfab27
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.048991
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 

0.09/0.12	c 0 clauses are redundant and removed
0.09/0.12	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.09/0.12	c 0 vars are fixed and 0 clauses are removed after lookahead
0.09/0.12	c initial seed is 717757265
0.09/0.12	c try 1 flip j 100241 walk 81553 seed 183559262
0.09/0.12	c A solution is found
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 
0.09/0.12	v 0 
0.09/0.12	c Done (mycputime is 0.120 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-1534663-1238586036/watcher-1534663-1238586036 -o /tmp/evaluation-result-1534663-1238586036/solver-1534663-1238586036 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat2009++ HOME/instance-1534663-1238586036.cnf 717757265 

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: 1.84 2.08 1.73 3/66 13125
/proc/meminfo: memFree=1269208/2055920 swapFree=4176412/4192956
[pid=13125] ppid=13123 vsize=415928 CPUtime=0
/proc/13125/stat : 13125 (adaptg2wsat2009) R 13123 13125 12258 0 -1 4194304 148 0 0 0 0 0 0 0 18 0 1 0 1131266529 425910272 131 1992294400 134512640 135107411 4294956192 18446744073709551615 134523317 0 0 4096 0 0 0 0 17 1 0 0
/proc/13125/statm: 103982 131 49 145 0 102858 0

[startup+0.0773971 s]
/proc/loadavg: 1.84 2.08 1.73 3/66 13125
/proc/meminfo: memFree=1269208/2055920 swapFree=4176412/4192956
[pid=13125] ppid=13123 vsize=416068 CPUtime=0.07
/proc/13125/stat : 13125 (adaptg2wsat2009) R 13123 13125 12258 0 -1 4194304 214 0 0 0 7 0 0 0 18 0 1 0 1131266529 426053632 197 1992294400 134512640 135107411 4294956192 18446744073709551615 134533887 0 0 4096 0 0 0 0 17 1 0 0
/proc/13125/statm: 104017 197 59 145 0 102893 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 416068

[startup+0.101399 s]
/proc/loadavg: 1.84 2.08 1.73 3/66 13125
/proc/meminfo: memFree=1269208/2055920 swapFree=4176412/4192956
[pid=13125] ppid=13123 vsize=416068 CPUtime=0.09
/proc/13125/stat : 13125 (adaptg2wsat2009) R 13123 13125 12258 0 -1 4194304 214 0 0 0 9 0 0 0 18 0 1 0 1131266529 426053632 197 1992294400 134512640 135107411 4294956192 18446744073709551615 134547605 0 0 4096 0 0 0 0 17 1 0 0
/proc/13125/statm: 104017 197 59 145 0 102893 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 416068

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

Child status: 10
Real time (s): 0.121443
CPU time (s): 0.12098
CPU user time (s): 0.119981
CPU system time (s): 0.000999
CPU usage (%): 99.6188
Max. virtual memory (cumulated for all children) (KiB): 416068

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.119981
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= 227
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= 0

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node40 at 2009-04-01 13:40:36
IDJOB=1534663
IDBENCH=70706
IDSOLVER=543
FILE ID=node40/1534663-1238586036
PBS_JOBID= 9062223
Free space on /tmp= 63504 MiB

SOLVER NAME= adaptg2wsat2009++ 2009-03-23
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/540/unif-k3-r4.25-v540-c2295-S2142680239-019.cnf
COMMAND LINE= HOME/adaptg2wsat2009++ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1534663-1238586036/watcher-1534663-1238586036 -o /tmp/evaluation-result-1534663-1238586036/solver-1534663-1238586036 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat2009++ HOME/instance-1534663-1238586036.cnf 717757265

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

MD5SUM BENCH= 2937149ca8da560a9415e9a967cfab27
RANDOM SEED=717757265

node40.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		: 3000.232
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		: 3000.232
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:       1269688 kB
Buffers:         88376 kB
Cached:         605328 kB
SwapCached:       9688 kB
Active:         212880 kB
Inactive:       492232 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1269688 kB
SwapTotal:     4192956 kB
SwapFree:      4176412 kB
Dirty:            4940 kB
Writeback:           0 kB
Mapped:          17184 kB
Slab:            67024 kB
Committed_AS:  2920072 kB
PageTables:       1476 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= 63500 MiB
End job on node40 at 2009-04-01 13:40:36