Trace number 1734475

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
VARSAT-crafted 2009-03-22SAT 0.085986 0.0868971

General information on the benchmark

NameCRAFTED/sgi/
satsgi-n22himBHm25-p0-q229.cnf
MD5SUMbb26f94676d52c6c304fdd966a5030f6
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.006998
Satisfiable
(Un)Satisfiability was proved
Number of variables550
Number of clauses12397
Sum of the clauses size25300
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 212375
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 522

Solver Data 

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  550                                                  |
0.00/0.00	c |  Number of clauses:    12397                                                |
0.00/0.01	c |  Parsing time:         0.01         s                                       |
0.00/0.01	c |  Timeout:              43200 s
0.00/0.01	c |  Random Seed:          935488428.000000
0.00/0.01	c |  Heuristic:            EMBP-G, threshold 0.800                              |
0.00/0.01	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.01	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.01	c |                                                                             |
0.04/0.07	c ============================[ Search Statistics ]==============================
0.04/0.07	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.07	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.04/0.07	c ===============================================================================
0.04/0.07	c |         0 |     528    11847    34320 |     3949        0    nan |  0.000 % |
0.04/0.08	c ===============================================================================
0.04/0.08	c surveys--CPU time (sec)   : 0.0120         (14.29 % of total)
0.04/0.08	c surveys--attempted        : 1              (83 /sec)
0.04/0.08	c surveys--converged        : 1              (100.00 % successful)
0.04/0.08	c restarts              : 1
0.04/0.08	c conflicts             : 0              (0 /sec)
0.04/0.08	c decisions             : 302            (1.66 % random) (4195 /sec)
0.04/0.08	c propagations          : 528            (7334 /sec)
0.04/0.08	c conflict literals     : 0              ( nan % deleted)
0.04/0.08	c Memory used           : 3.86 MB
0.04/0.08	c Total CPU time (sec)      : 0.0840      
0.04/0.08	c 
0.04/0.08	s SATISFIABLE
0.04/0.08	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

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1734475-1240795702/watcher-1734475-1240795702 -o /tmp/evaluation-result-1734475-1240795702/solver-1734475-1240795702 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-crafted_static -seed=935488428 HOME/instance-1734475-1240795702.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: 0.93 1.02 0.99 2/64 2782
/proc/meminfo: memFree=1621444/2055920 swapFree=4181272/4192956
[pid=2782] ppid=2780 vsize=3408 CPUtime=0
/proc/2782/stat : 2782 (varsat-crafted_) R 2780 2782 1615 0 -1 4194304 469 0 0 0 0 0 0 0 18 0 1 0 107602755 3489792 454 1992294400 4194304 5102648 548682068768 18446744073709551615 4491719 0 0 4096 3 0 0 0 17 1 0 0
/proc/2782/statm: 852 456 87 221 0 628 0

[startup+0.051096 s]
/proc/loadavg: 0.93 1.02 0.99 2/64 2782
/proc/meminfo: memFree=1621444/2055920 swapFree=4181272/4192956
[pid=2782] ppid=2780 vsize=4160 CPUtime=0.04
/proc/2782/stat : 2782 (varsat-crafted_) R 2780 2782 1615 0 -1 4194304 680 0 0 0 4 0 0 0 18 0 1 0 107602755 4259840 665 1992294400 4194304 5102648 548682068768 18446744073709551615 4273180 0 0 4096 3 0 0 0 17 1 0 0
/proc/2782/statm: 1040 665 99 221 0 816 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4160

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

[startup+0.051096 s]
/proc/loadavg: 0.93 1.02 0.99 2/64 2782
/proc/meminfo: memFree=1621444/2055920 swapFree=4181272/4192956
[pid=2782] ppid=2780 vsize=4160 CPUtime=0.04
/proc/2782/stat : 2782 (varsat-crafted_) R 2780 2782 1615 0 -1 4194304 680 0 0 0 4 0 0 0 18 0 1 0 107602755 4259840 665 1992294400 4194304 5102648 548682068768 18446744073709551615 4273180 0 0 4096 3 0 0 0 17 1 0 0
/proc/2782/statm: 1040 665 99 221 0 816 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4160

Child status: 10
Real time (s): 0.0868971
CPU time (s): 0.085986
CPU user time (s): 0.084987
CPU system time (s): 0.000999
CPU usage (%): 98.9515
Max. virtual memory (cumulated for all children) (KiB): 4160

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.084987
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= 687
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 0.001999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node35 at 2009-04-27 03:28:22
IDJOB=1734475
IDBENCH=71228
IDSOLVER=537
FILE ID=node35/1734475-1240795702
PBS_JOBID= 9187369
Free space on /tmp= 66400 MiB

SOLVER NAME= VARSAT-crafted 2009-03-22
BENCH NAME= SAT09/CRAFTED/sgi/satsgi-n22himBHm25-p0-q229.cnf
COMMAND LINE= HOME/varsat-crafted_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1734475-1240795702/watcher-1734475-1240795702 -o /tmp/evaluation-result-1734475-1240795702/solver-1734475-1240795702 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-crafted_static -seed=935488428 HOME/instance-1734475-1240795702.cnf

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

MD5SUM BENCH= bb26f94676d52c6c304fdd966a5030f6
RANDOM SEED=935488428

node35.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		: 3000.214
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		: 3000.214
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:       1622628 kB
Buffers:         55000 kB
Cached:         319964 kB
SwapCached:       5700 kB
Active:         119860 kB
Inactive:       263168 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1622628 kB
SwapTotal:     4192956 kB
SwapFree:      4181272 kB
Dirty:            1552 kB
Writeback:           0 kB
Mapped:          13560 kB
Slab:            36332 kB
Committed_AS:   495328 kB
PageTables:       1396 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= 66400 MiB
End job on node35 at 2009-04-27 03:28:22