Trace number 1539785

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 0.020996 0.0209009

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/540/
unif-k3-r4.25-v540-c2295-S1916548023-003.cnf
MD5SUM11db2aaf72f0cb9c260a5127c4f6b388
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.011997
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 

0.01/0.02	c SATzilla is building models for class 1
0.01/0.02	c run presolver SATenstein for 30 seconds ... 
0.01/0.02	c Bin: Executing SATenstein
0.01/0.02	c spawning binary file with 30 seconds ...
0.01/0.02	c child exited successfully
0.01/0.02	c SATenstein returned code 10.
0.01/0.02	s SATISFIABLE
0.01/0.02	v  -1 -2 3 4 5 -6 7 8 9 -10
0.01/0.02	v  11 12 13 -14 15 -16 17 -18 19 -20
0.01/0.02	v  21 -22 -23 -24 25 26 -27 -28 -29 -30
0.01/0.02	v  31 32 33 -34 -35 36 -37 -38 -39 -40
0.01/0.02	v  -41 -42 43 44 -45 46 47 48 -49 50
0.01/0.02	v  51 52 53 54 55 -56 -57 -58 -59 -60
0.01/0.02	v  -61 62 63 -64 -65 -66 -67 68 -69 70
0.01/0.02	v  71 -72 -73 -74 -75 76 77 -78 79 -80
0.01/0.02	v  -81 82 83 84 -85 86 -87 88 89 -90
0.01/0.02	v  91 92 93 94 95 -96 -97 -98 -99 -100
0.01/0.02	v  -101 -102 103 -104 -105 -106 -107 -108 109 -110
0.01/0.02	v  -111 112 113 -114 115 -116 -117 118 119 120
0.01/0.02	v  121 -122 123 -124 125 -126 -127 -128 129 -130
0.01/0.02	v  131 -132 133 -134 -135 136 137 138 139 140
0.01/0.02	v  141 -142 -143 144 -145 146 -147 148 149 -150
0.01/0.02	v  -151 152 -153 -154 -155 156 157 158 159 -160
0.01/0.02	v  -161 162 163 164 -165 166 167 168 -169 -170
0.01/0.02	v  171 172 -173 174 175 176 177 178 -179 -180
0.01/0.02	v  -181 182 -183 -184 -185 -186 187 -188 189 -190
0.01/0.02	v  -191 192 -193 194 -195 -196 197 198 -199 -200
0.01/0.02	v  201 -202 203 204 205 -206 -207 208 -209 -210
0.01/0.02	v  211 212 -213 214 215 -216 -217 -218 -219 -220
0.01/0.02	v  221 222 223 224 225 -226 -227 228 -229 230
0.01/0.02	v  231 232 233 234 235 236 237 -238 -239 -240
0.01/0.02	v  241 242 -243 -244 245 246 247 -248 249 250
0.01/0.02	v  251 -252 253 254 255 256 -257 258 259 260
0.01/0.02	v  -261 262 -263 -264 265 -266 267 268 -269 -270
0.01/0.02	v  271 272 -273 -274 -275 -276 -277 -278 279 280
0.01/0.02	v  -281 -282 -283 284 -285 286 287 288 289 290
0.01/0.02	v  291 292 293 -294 -295 296 297 -298 -299 -300
0.01/0.02	v  -301 -302 -303 -304 -305 306 -307 308 -309 -310
0.01/0.02	v  311 312 -313 314 -315 -316 317 318 -319 -320
0.01/0.02	v  321 322 -323 -324 325 326 -327 -328 -329 -330
0.01/0.02	v  331 -332 -333 334 335 336 337 338 339 -340
0.01/0.02	v  341 342 343 -344 -345 -346 -347 348 -349 -350
0.01/0.02	v  351 352 353 354 -355 -356 357 358 359 -360
0.01/0.02	v  361 -362 363 364 -365 366 -367 -368 -369 -370
0.01/0.02	v  -371 372 -373 -374 375 376 -377 -378 379 -380
0.01/0.02	v  381 -382 -383 -384 -385 -386 -387 -388 389 390
0.01/0.02	v  -391 -392 -393 -394 395 -396 397 398 399 -400
0.01/0.02	v  401 402 -403 -404 405 -406 407 -408 -409 -410
0.01/0.02	v  411 412 413 -414 -415 416 -417 -418 -419 420
0.01/0.02	v  -421 422 -423 424 -425 -426 -427 -428 429 -430
0.01/0.02	v  -431 -432 -433 434 435 436 437 -438 -439 -440
0.01/0.02	v  -441 442 -443 -444 -445 -446 447 448 449 450
0.01/0.02	v  -451 -452 -453 -454 -455 456 -457 -458 459 -460
0.01/0.02	v  -461 462 463 464 -465 -466 467 468 469 470
0.01/0.02	v  471 472 -473 474 475 476 477 478 479 -480
0.01/0.02	v  481 -482 483 -484 485 486 -487 488 489 490
0.01/0.02	v  491 -492 493 -494 -495 -496 -497 498 -499 -500
0.01/0.02	v  -501 502 503 504 -505 506 507 -508 -509 -510
0.01/0.02	v  511 -512 -513 -514 515 516 517 518 -519 -520
0.01/0.02	v  521 -522 -523 524 525 526 527 -528 -529 530
0.01/0.02	v  -531 532 -533 -534 535 -536 537 538 -539 -540
0.01/0.02	v  0
0.01/0.02	c SATZILLA_TIME=0.010000

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-1539785-1238586655/watcher-1539785-1238586655 -o /tmp/evaluation-result-1539785-1238586655/solver-1539785-1238586655 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2009_R HOME/instance-1539785-1238586655.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: 1.00 1.00 1.00 3/69 20935
/proc/meminfo: memFree=1473440/2055920 swapFree=4171336/4192956
[pid=20935] ppid=20933 vsize=2056 CPUtime=0
/proc/20935/stat : 20935 (SATzilla2009_R) S 20933 20935 20418 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1131328655 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20935/statm: 514 112 96 399 0 111 0
[pid=20936] ppid=20935 vsize=6508 CPUtime=0
/proc/20936/stat : 20936 (SATenstein) R 20935 20935 20418 0 -1 4194304 283 0 0 0 0 0 0 0 19 0 1 0 1131328656 6664192 264 1992294400 134512640 134854740 4294955344 18446744073709551615 11606141 0 0 8392704 0 0 0 0 17 0 0 0
/proc/20936/statm: 1627 264 151 83 0 1188 0

[startup+0.017632 s]
/proc/loadavg: 1.00 1.00 1.00 3/69 20935
/proc/meminfo: memFree=1473440/2055920 swapFree=4171336/4192956
[pid=20935] ppid=20933 vsize=2056 CPUtime=0
/proc/20935/stat : 20935 (SATzilla2009_R) S 20933 20935 20418 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1131328655 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20935/statm: 514 112 96 399 0 111 0
[pid=20936] ppid=20935 vsize=6504 CPUtime=0.01
/proc/20936/stat : 20936 (SATenstein) R 20935 20935 20418 0 -1 4194304 382 0 0 0 1 0 0 0 19 0 1 0 1131328656 6660096 356 1992294400 134512640 134854740 4294955344 18446744073709551615 134568474 0 0 8392704 0 0 0 0 17 0 0 0
/proc/20936/statm: 1626 356 174 83 0 1187 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 8560

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

[startup+0.017632 s]
/proc/loadavg: 1.00 1.00 1.00 3/69 20935
/proc/meminfo: memFree=1473440/2055920 swapFree=4171336/4192956
[pid=20935] ppid=20933 vsize=2056 CPUtime=0
/proc/20935/stat : 20935 (SATzilla2009_R) S 20933 20935 20418 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1131328655 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20935/statm: 514 112 96 399 0 111 0
[pid=20936] ppid=20935 vsize=6504 CPUtime=0.01
/proc/20936/stat : 20936 (SATenstein) R 20935 20935 20418 0 -1 4194304 382 0 0 0 1 0 0 0 19 0 1 0 1131328656 6660096 356 1992294400 134512640 134854740 4294955344 18446744073709551615 134568474 0 0 8392704 0 0 0 0 17 0 0 0
/proc/20936/statm: 1626 356 174 83 0 1187 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 8560

Child status: 10
Real time (s): 0.0209009
CPU time (s): 0.020996
CPU user time (s): 0.017997
CPU system time (s): 0.002999
CPU usage (%): 100.455
Max. virtual memory (cumulated for all children) (KiB): 8560

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.017997
system time used= 0.002999
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 node44 at 2009-04-01 13:50:55
IDJOB=1539785
IDBENCH=70708
IDSOLVER=526
FILE ID=node44/1539785-1238586655
PBS_JOBID= 9062218
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-S1916548023-003.cnf
COMMAND LINE= HOME/SATzilla2009_R BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1539785-1238586655/watcher-1539785-1238586655 -o /tmp/evaluation-result-1539785-1238586655/solver-1539785-1238586655 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2009_R HOME/instance-1539785-1238586655.cnf

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

MD5SUM BENCH= 11db2aaf72f0cb9c260a5127c4f6b388
RANDOM SEED=325414106

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:       1473920 kB
Buffers:         94076 kB
Cached:         380648 kB
SwapCached:      11068 kB
Active:         241176 kB
Inactive:       246140 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1473920 kB
SwapTotal:     4192956 kB
SwapFree:      4171336 kB
Dirty:           31484 kB
Writeback:           0 kB
Mapped:          18220 kB
Slab:            80080 kB
Committed_AS:  2811592 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= 66368 MiB
End job on node44 at 2009-04-01 13:50:55