Trace number 299257

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
saps 2007-02-08SAT 3.24151 3.25567

General information on the benchmark

Namerandom/OnTreshold/3SAT/v600/
unif-k3-r4.261-v600-c2556-S1775402689-01.SAT.shuffled.cnf
MD5SUM01f9fe21f07697aca0271800a004de34
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.034993
Satisfiable
(Un)Satisfiability was proved
Number of variables600
Number of clauses2556
Sum of the clauses size7668
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32556
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

3.16/3.25	c 
3.16/3.25	c UBCSAT version 1.1.0rr
3.16/3.25	c 
3.16/3.25	c http://www.satlib.org/ubcsat
3.16/3.25	c 
3.16/3.25	c ubcsat -h for help
3.16/3.25	c 
3.16/3.25	c  -runs 1 
3.16/3.25	c  -cutoff 4294967295 
3.16/3.25	c  -timeout 0.000000 
3.16/3.25	c  -gtimeout 0.000000 
3.16/3.25	c  -noimprove 0 
3.16/3.25	c  -target 0 
3.16/3.25	c  -wtarget 0.000000 
3.16/3.25	c  -seed 106716096 
3.16/3.25	c  -solve 0 
3.16/3.25	c  -find,-numsol 0 
3.16/3.25	c  -findunique 0 
3.16/3.25	c  -srestart 0 
3.16/3.25	c  -prestart 0.000000 
3.16/3.25	c  -drestart 0 
3.16/3.25	c 
3.16/3.25	c  -alpha 1.300000 
3.16/3.25	c  -rho 0.800000 
3.16/3.25	c  -ps 0.050000 
3.16/3.25	c  -wp 0.010000 
3.16/3.25	c  -sapsthresh -0.100000 
3.16/3.25	c 
3.16/3.25	s SATISFIABLE
3.16/3.25	v  1 2 -3 4 5 6 -7 8 -9 -10
3.16/3.25	v  11 12 13 -14 15 -16 -17 18 19 20
3.16/3.25	v  21 22 23 -24 25 -26 27 -28 -29 -30
3.16/3.25	v  -31 32 33 34 -35 36 -37 38 -39 -40
3.16/3.25	v  -41 42 43 44 45 46 47 -48 -49 -50
3.16/3.25	v  -51 52 53 -54 -55 -56 -57 -58 -59 -60
3.16/3.25	v  -61 62 -63 64 65 -66 -67 68 -69 -70
3.16/3.25	v  -71 -72 73 -74 75 -76 77 78 79 80
3.16/3.25	v  81 82 83 84 -85 86 87 88 -89 -90
3.16/3.25	v  91 92 93 -94 -95 96 -97 98 99 100
3.16/3.25	v  -101 -102 103 -104 -105 106 -107 108 109 -110
3.16/3.25	v  -111 -112 -113 -114 115 -116 -117 -118 -119 120
3.16/3.25	v  121 122 123 -124 -125 -126 127 -128 129 -130
3.16/3.25	v  -131 132 133 -134 135 136 -137 138 139 140
3.16/3.25	v  -141 142 -143 144 -145 146 147 -148 -149 150
3.16/3.25	v  -151 -152 153 154 -155 156 -157 158 -159 160
3.16/3.25	v  161 162 -163 164 -165 -166 -167 -168 -169 -170
3.16/3.25	v  171 -172 173 -174 -175 176 -177 -178 179 180
3.16/3.25	v  -181 -182 -183 -184 185 -186 187 -188 -189 190
3.16/3.25	v  -191 -192 193 194 195 196 197 198 199 -200
3.16/3.25	v  -201 202 -203 -204 -205 206 207 208 209 210
3.16/3.25	v  -211 -212 -213 214 -215 216 217 218 219 220
3.16/3.25	v  -221 -222 223 224 -225 226 227 228 229 230
3.16/3.25	v  -231 232 233 234 235 236 -237 -238 -239 240
3.16/3.25	v  -241 242 243 -244 -245 -246 247 248 -249 250
3.16/3.25	v  -251 252 -253 254 -255 256 257 -258 -259 260
3.16/3.25	v  261 262 263 -264 265 -266 -267 -268 269 -270
3.16/3.25	v  -271 -272 273 274 -275 276 -277 278 -279 280
3.16/3.25	v  281 -282 283 -284 285 -286 287 288 289 -290
3.16/3.25	v  -291 -292 293 -294 295 296 -297 298 299 300
3.16/3.25	v  -301 -302 303 304 -305 306 -307 308 -309 -310
3.16/3.25	v  311 -312 313 -314 315 316 317 -318 -319 320
3.16/3.25	v  -321 -322 -323 -324 325 -326 327 328 -329 -330
3.16/3.25	v  -331 332 333 334 -335 -336 -337 338 -339 -340
3.16/3.25	v  341 -342 343 -344 345 -346 -347 348 349 -350
3.16/3.25	v  351 352 -353 -354 -355 -356 -357 -358 -359 360
3.16/3.25	v  361 362 -363 364 -365 366 -367 -368 -369 -370
3.16/3.25	v  -371 372 373 374 -375 376 -377 378 379 -380
3.16/3.25	v  381 -382 -383 -384 -385 -386 387 388 -389 390
3.16/3.25	v  391 -392 393 394 395 396 -397 -398 -399 400
3.16/3.25	v  401 402 -403 404 -405 -406 -407 -408 -409 -410
3.16/3.25	v  411 412 413 -414 415 416 417 -418 -419 420
3.16/3.25	v  421 -422 423 424 -425 426 -427 -428 429 -430
3.16/3.25	v  -431 432 -433 434 -435 436 437 -438 -439 440
3.16/3.25	v  441 442 -443 444 -445 446 -447 -448 449 -450
3.16/3.25	v  -451 -452 -453 -454 -455 -456 -457 -458 -459 -460
3.16/3.25	v  -461 -462 -463 464 465 466 467 468 -469 470
3.16/3.25	v  471 -472 -473 474 475 476 477 478 -479 480
3.16/3.25	v  481 -482 483 -484 485 -486 487 488 -489 -490
3.16/3.25	v  -491 492 -493 494 -495 -496 497 498 -499 -500
3.16/3.25	v  -501 -502 -503 504 505 -506 -507 508 509 -510
3.16/3.25	v  -511 512 513 514 515 -516 -517 -518 519 520
3.16/3.25	v  -521 -522 523 524 525 526 527 528 -529 530
3.16/3.25	v  531 -532 533 534 535 -536 537 -538 -539 -540
3.16/3.25	v  541 542 -543 544 -545 546 -547 548 -549 -550
3.16/3.25	v  -551 552 553 -554 -555 -556 557 558 559 -560
3.16/3.25	v  561 562 -563 -564 565 566 -567 568 569 570
3.16/3.25	v  571 -572 573 574 575 576 -577 578 579 580
3.16/3.25	v  -581 582 -583 584 -585 586 -587 588 589 -590
3.16/3.25	v  591 -592 -593 -594 595 -596 597 -598 599 600
3.16/3.25	v  0

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/node4/watcher-299257-1171868523 -o ROOT/results/node4/solver-299257-1171868523 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/299257-1171868523/saps /tmp/evaluation/299257-1171868523/instance-299257-1171868523.cnf 106716096 

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 3/83 28224
/proc/meminfo: memFree=990248/2055920 swapFree=4192812/4192956
[pid=28224] ppid=28222 vsize=5160 CPUtime=0
/proc/28224/stat : 28224 (saps) R 28222 28224 28112 0 -1 4194304 140 0 0 0 0 0 0 0 19 0 1 0 206807151 5283840 125 18446744073709551615 134512640 135167564 4294956624 18446744073709551615 134799213 0 0 4096 0 0 0 0 17 1 0 0
/proc/28224/statm: 1290 126 72 159 0 1129 0

[startup+0.107279 s]
/proc/loadavg: 0.92 0.98 0.99 3/83 28224
/proc/meminfo: memFree=990248/2055920 swapFree=4192812/4192956
[pid=28224] ppid=28222 vsize=5156 CPUtime=0.1
/proc/28224/stat : 28224 (saps) R 28222 28224 28112 0 -1 4194304 187 0 0 0 10 0 0 0 20 0 1 0 206807151 5279744 171 18446744073709551615 134512640 135167564 4294956624 18446744073709551615 134715099 0 0 4096 0 0 0 0 17 1 0 0
/proc/28224/statm: 1289 171 77 159 0 1128 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 5156

[startup+0.515316 s]
/proc/loadavg: 0.92 0.98 0.99 3/83 28224
/proc/meminfo: memFree=990248/2055920 swapFree=4192812/4192956
[pid=28224] ppid=28222 vsize=5156 CPUtime=0.51
/proc/28224/stat : 28224 (saps) R 28222 28224 28112 0 -1 4194304 187 0 0 0 51 0 0 0 24 0 1 0 206807151 5279744 171 18446744073709551615 134512640 135167564 4294956624 18446744073709551615 134714434 0 0 4096 0 0 0 0 17 1 0 0
/proc/28224/statm: 1289 171 77 159 0 1128 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 5156

[startup+1.3364 s]
/proc/loadavg: 0.92 0.98 0.99 2/84 28225
/proc/meminfo: memFree=989728/2055920 swapFree=4192812/4192956
[pid=28224] ppid=28222 vsize=5156 CPUtime=1.32
/proc/28224/stat : 28224 (saps) R 28222 28224 28112 0 -1 4194304 187 0 0 0 132 0 0 0 25 0 1 0 206807151 5279744 171 18446744073709551615 134512640 135167564 4294956624 18446744073709551615 134715027 0 0 4096 0 0 0 0 17 1 0 0
/proc/28224/statm: 1289 171 77 159 0 1128 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 5156

[startup+2.97355 s]
/proc/loadavg: 0.92 0.98 0.99 2/84 28243
/proc/meminfo: memFree=989472/2055920 swapFree=4192812/4192956
[pid=28224] ppid=28222 vsize=5156 CPUtime=2.95
/proc/28224/stat : 28224 (saps) R 28222 28224 28112 0 -1 4194304 187 0 0 0 295 0 0 0 25 0 1 0 206807151 5279744 171 18446744073709551615 134512640 135167564 4294956624 18446744073709551615 134714299 0 0 4096 0 0 0 0 17 1 0 0
/proc/28224/statm: 1289 171 77 159 0 1128 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 5156

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

[startup+3.07656 s]
/proc/loadavg: 0.92 0.98 0.99 2/84 28243
/proc/meminfo: memFree=989472/2055920 swapFree=4192812/4192956
[pid=28224] ppid=28222 vsize=5156 CPUtime=3.06
/proc/28224/stat : 28224 (saps) R 28222 28224 28112 0 -1 4194304 187 0 0 0 306 0 0 0 25 0 1 0 206807151 5279744 171 18446744073709551615 134512640 135167564 4294956624 18446744073709551615 134714274 0 0 4096 0 0 0 0 17 1 0 0
/proc/28224/statm: 1289 171 77 159 0 1128 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 5156

[startup+3.17957 s]
/proc/loadavg: 0.92 0.98 0.99 2/84 28243
/proc/meminfo: memFree=989472/2055920 swapFree=4192812/4192956
[pid=28224] ppid=28222 vsize=5156 CPUtime=3.16
/proc/28224/stat : 28224 (saps) R 28222 28224 28112 0 -1 4194304 187 0 0 0 316 0 0 0 25 0 1 0 206807151 5279744 171 18446744073709551615 134512640 135167564 4294956624 18446744073709551615 134714434 0 0 4096 0 0 0 0 17 1 0 0
/proc/28224/statm: 1289 171 77 159 0 1128 0
Current children cumulated CPU time (s) 3.16
Current children cumulated vsize (KiB) 5156

Child status: 10
Real time (s): 3.25567
CPU time (s): 3.24151
CPU user time (s): 3.23951
CPU system time (s): 0.001999
CPU usage (%): 99.5649
Max. virtual memory (cumulated for all children) (KiB): 5156

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.23951
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= 205
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= 7
involuntary context switches= 92

runsolver used 0.006998 second user time and 0.011998 second system time

The end

Launcher Data (download as text)

Begin job on node4 on Mon Feb 19 07:02:03 UTC 2007

IDJOB= 299257
IDBENCH= 20006
IDSOLVER= 103
FILE ID= node4/299257-1171868523

PBS_JOBID= 3839429

Free space on /tmp= 66551 MiB

SOLVER NAME= saps 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/3SAT/v600/unif-k3-r4.261-v600-c2556-S1775402689-01.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/299257-1171868523/saps /tmp/evaluation/299257-1171868523/instance-299257-1171868523.cnf  106716096   
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node4/watcher-299257-1171868523 -o ROOT/results/node4/solver-299257-1171868523 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/299257-1171868523/saps /tmp/evaluation/299257-1171868523/instance-299257-1171868523.cnf  106716096   

META MD5SUM SOLVER= a43f4f4c91c277b32a975fd145ded8eb
MD5SUM BENCH=  01f9fe21f07697aca0271800a004de34

RANDOM SEED= 106716096

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node4.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		: 3000.231
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		: 3000.231
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:        990720 kB
Buffers:         58860 kB
Cached:         868116 kB
SwapCached:          0 kB
Active:         353624 kB
Inactive:       633696 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        990720 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2212 kB
Writeback:           0 kB
Mapped:          79628 kB
Slab:            63068 kB
Committed_AS:   913456 kB
PageTables:       2012 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= 66551 MiB

End job on node4 on Mon Feb 19 07:02:06 UTC 2007