Trace number 1539776

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
SATzilla2009_R 2009-03-22SAT 0.024995 0.0254139

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/540/
unif-k3-r4.25-v540-c2295-S1137823545-077.cnf
MD5SUM6fb9b4534b8680fbd6cb5c0187532027
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.015996
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 

0.00/0.02	c SATzilla is building models for class 1
0.00/0.02	c run presolver SATenstein for 30 seconds ... 
0.00/0.02	c Bin: Executing SATenstein
0.00/0.02	c spawning binary file with 30 seconds ...
0.00/0.02	c child exited successfully
0.00/0.02	c SATenstein returned code 10.
0.00/0.02	s SATISFIABLE
0.00/0.02	v  -1 2 3 -4 5 -6 7 8 -9 10
0.00/0.02	v  -11 -12 13 -14 -15 16 -17 18 -19 -20
0.00/0.02	v  21 -22 23 24 25 26 -27 28 -29 -30
0.00/0.02	v  -31 -32 33 -34 35 -36 -37 -38 39 -40
0.00/0.02	v  41 -42 -43 44 -45 -46 -47 48 49 50
0.00/0.02	v  51 52 53 -54 55 56 57 -58 -59 -60
0.00/0.02	v  -61 -62 63 -64 -65 -66 67 -68 69 70
0.00/0.02	v  -71 72 -73 -74 75 -76 -77 78 79 80
0.00/0.02	v  81 82 -83 84 85 -86 87 -88 -89 90
0.00/0.02	v  91 -92 -93 94 -95 96 -97 98 99 -100
0.00/0.02	v  101 -102 -103 -104 105 -106 107 108 109 110
0.00/0.02	v  -111 112 -113 -114 -115 -116 117 118 -119 120
0.00/0.02	v  121 -122 123 124 125 -126 127 -128 -129 130
0.00/0.02	v  -131 132 -133 -134 135 136 137 -138 -139 140
0.00/0.02	v  -141 142 143 144 145 -146 -147 148 149 -150
0.00/0.02	v  151 -152 153 -154 -155 156 157 158 159 160
0.00/0.02	v  -161 162 163 164 -165 -166 -167 168 169 -170
0.00/0.02	v  -171 -172 173 174 175 176 177 178 179 180
0.00/0.02	v  181 182 183 -184 -185 186 -187 188 189 -190
0.00/0.02	v  191 -192 -193 -194 195 -196 197 198 199 -200
0.00/0.02	v  201 202 203 204 -205 -206 207 208 -209 210
0.00/0.02	v  211 -212 -213 214 -215 -216 -217 218 -219 -220
0.00/0.02	v  -221 -222 223 -224 -225 226 -227 228 -229 230
0.00/0.02	v  -231 232 -233 -234 -235 -236 237 238 -239 -240
0.00/0.02	v  -241 -242 -243 244 -245 -246 247 -248 249 -250
0.00/0.02	v  -251 -252 253 -254 -255 256 -257 258 -259 -260
0.00/0.02	v  261 262 -263 -264 265 266 267 268 -269 -270
0.00/0.02	v  -271 -272 273 -274 275 276 277 278 -279 -280
0.00/0.02	v  -281 -282 283 284 285 -286 -287 288 289 290
0.00/0.02	v  -291 292 -293 -294 295 296 -297 -298 299 -300
0.00/0.02	v  -301 302 303 304 305 306 307 308 -309 310
0.00/0.02	v  -311 312 -313 -314 315 -316 317 -318 319 320
0.00/0.02	v  321 322 323 -324 325 -326 -327 -328 329 330
0.00/0.02	v  331 332 333 334 -335 -336 -337 338 -339 340
0.00/0.02	v  341 -342 -343 344 -345 -346 347 348 349 350
0.00/0.02	v  351 352 -353 354 355 356 357 358 -359 360
0.00/0.02	v  361 -362 -363 -364 365 366 -367 368 369 370
0.00/0.02	v  371 372 -373 374 -375 -376 377 378 379 380
0.00/0.02	v  381 382 -383 -384 385 -386 -387 -388 -389 -390
0.00/0.02	v  -391 -392 393 394 395 -396 -397 -398 -399 400
0.00/0.02	v  -401 -402 -403 404 405 -406 407 408 -409 410
0.00/0.02	v  -411 -412 -413 -414 -415 416 -417 -418 -419 420
0.00/0.02	v  -421 -422 423 424 -425 426 427 -428 429 -430
0.00/0.02	v  431 432 -433 -434 -435 436 437 438 439 -440
0.00/0.02	v  441 442 -443 -444 445 446 447 448 449 -450
0.00/0.02	v  451 452 -453 -454 455 -456 457 -458 -459 460
0.00/0.02	v  -461 -462 463 464 465 466 -467 468 -469 -470
0.00/0.02	v  471 -472 473 474 475 476 477 478 -479 480
0.00/0.02	v  481 -482 -483 -484 -485 486 487 -488 489 -490
0.00/0.02	v  -491 -492 493 -494 -495 496 497 -498 499 500
0.00/0.02	v  -501 -502 503 -504 -505 506 507 508 -509 510
0.00/0.02	v  511 512 513 -514 -515 516 517 -518 519 -520
0.00/0.02	v  521 522 523 524 -525 -526 -527 528 -529 530
0.00/0.02	v  -531 -532 -533 534 -535 536 537 538 539 -540
0.00/0.02	v  0
0.00/0.02	c SATZILLA_TIME=0.020000

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-1539776-1238585595/watcher-1539776-1238585595 -o /tmp/evaluation-result-1539776-1238585595/solver-1539776-1238585595 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2009_R HOME/instance-1539776-1238585595.cnf 

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: 1.99 1.96 1.75 3/69 30666
/proc/meminfo: memFree=1189080/2055920 swapFree=4171840/4192956
[pid=30666] ppid=30664 vsize=2056 CPUtime=0
/proc/30666/stat : 30666 (SATzilla2009_R) S 30664 30666 30089 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1131221168 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/30666/statm: 514 112 96 399 0 111 0
[pid=30667] ppid=30666 vsize=6508 CPUtime=0
/proc/30667/stat : 30667 (SATenstein) R 30666 30666 30089 0 -1 4194304 283 0 0 0 0 0 0 0 19 0 1 0 1131221168 6664192 264 1992294400 134512640 134854740 4294955344 18446744073709551615 4294960144 0 0 8392704 0 0 0 0 17 0 0 0
/proc/30667/statm: 1627 264 151 83 0 1188 0

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

Child status: 10
Real time (s): 0.0254139
CPU time (s): 0.024995
CPU user time (s): 0.022996
CPU system time (s): 0.001999
CPU usage (%): 98.3515
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.022996
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= 552
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= 4
involuntary context switches= 2

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node58 at 2009-04-01 13:33:15
IDJOB=1539776
IDBENCH=70705
IDSOLVER=526
FILE ID=node58/1539776-1238585595
PBS_JOBID= 9062219
Free space on /tmp= 66400 MiB

SOLVER NAME= SATzilla2009_R 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/540/unif-k3-r4.25-v540-c2295-S1137823545-077.cnf
COMMAND LINE= HOME/SATzilla2009_R BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1539776-1238585595/watcher-1539776-1238585595 -o /tmp/evaluation-result-1539776-1238585595/solver-1539776-1238585595 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2009_R HOME/instance-1539776-1238585595.cnf

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

MD5SUM BENCH= 6fb9b4534b8680fbd6cb5c0187532027
RANDOM SEED=2083766951

node58.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		: 3000.222
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		: 3000.222
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:       1189560 kB
Buffers:         97428 kB
Cached:         676860 kB
SwapCached:      11044 kB
Active:         241172 kB
Inactive:       545648 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1189560 kB
SwapTotal:     4192956 kB
SwapFree:      4171840 kB
Dirty:           31544 kB
Writeback:           0 kB
Mapped:          17416 kB
Slab:            65092 kB
Committed_AS:  2749756 kB
PageTables:       1764 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= 66372 MiB
End job on node58 at 2009-04-01 13:33:15