Trace number 1734277

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-random 2009-03-22SAT 8.89665 8.90263

General information on the benchmark

NameCRAFTED/sgi/
satsgi-n25himBHm27-p0-q251.cnf
MD5SUM741e1de0c22ee8d0ee067ccd7623ed63
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.008997
Satisfiable
(Un)Satisfiability was proved
Number of variables675
Number of clauses16900
Sum of the clauses size34425
Maximum clause length27
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 216875
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 525

Solver Data 

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  675                                                  |
0.00/0.00	c |  Number of clauses:    16900                                                |
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:          835796855.000000
0.00/0.01	c |  Heuristic:            EMSP-G, threshold 0.750                              |
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 |                                                                             |
0.09/0.10	c ============================[ Search Statistics ]==============================
0.09/0.10	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.10	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.10	c ===============================================================================
0.09/0.10	c |         0 |     650    16225    47450 |     5408        0    nan |  0.000 % |
8.79/8.90	c ===============================================================================
8.79/8.90	c surveys--CPU time (sec)   : 8.7877         (98.84 % of total)
8.79/8.90	c surveys--attempted        : 282            (32 /sec)
8.79/8.90	c surveys--converged        : 282            (100.00 % successful)
8.79/8.90	c restarts              : 1
8.79/8.90	c conflicts             : 0              (0 /sec)
8.79/8.90	c decisions             : 463            (0.00 % random) (4496 /sec)
8.79/8.90	c propagations          : 650            (6312 /sec)
8.79/8.90	c conflict literals     : 0              ( nan % deleted)
8.79/8.90	c Memory used           : 4.37 MB
8.79/8.90	c Total CPU time (sec)      : 8.8906      
8.79/8.90	c 
8.79/8.90	s SATISFIABLE
8.79/8.90	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 -551 -552 -553 -554 -555 -556 -557 -558 -559 -560 -561 -562 -563 -564 -565 -566 -567 -568 -569 570 -571 -572 -573 -574 -575 -576 -577 -578 -579 -580 -581 -582 -583 -584 -585 -586 -587 -588 -589 -590 -591 -592 -593 -594 -595 596 -597 -598 -599 -600 -601 -602 -603 -604 -605 -606 -607 -608 -609 -610 -611 -612 -613 -614 -615 -616 -617 -618 -619 -620 -621 622 -623 -624 -625 -626 -627 -628 -629 -630 -631 -632 -633 -634 -635 -636 -637 -638 -639 -640 -641 -642 -643 -644 -645 -646 -647 -648 -649 -650 -651 -652 -653 -654 -655 -656 -657 -658 -659 -660 -661 -662 -663 -664 -665 -666 -667 -668 -669 -670 -671 -672 -673 -674 675 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-1734277-1240795684/watcher-1734277-1240795684 -o /tmp/evaluation-result-1734277-1240795684/solver-1734277-1240795684 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-random_static -seed=835796855 HOME/instance-1734277-1240795684.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: 1.15 1.03 1.05 3/65 29822
/proc/meminfo: memFree=1491016/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=2676 CPUtime=0
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 324 0 0 0 0 0 0 0 18 0 1 0 107597332 2740224 309 1992294400 4194304 5102416 548682068784 18446744073709551615 4491479 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 669 310 88 221 0 445 0

[startup+0.013104 s]
/proc/loadavg: 1.15 1.03 1.05 3/65 29822
/proc/meminfo: memFree=1491016/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4012 CPUtime=0
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 651 0 0 0 0 0 0 0 18 0 1 0 107597332 4108288 636 1992294400 4194304 5102416 548682068784 18446744073709551615 4491479 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1003 636 88 221 0 779 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 4012

[startup+0.101122 s]
/proc/loadavg: 1.15 1.03 1.05 3/65 29822
/proc/meminfo: memFree=1491016/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4848 CPUtime=0.09
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 837 0 0 0 9 0 0 0 18 0 1 0 107597332 4964352 822 1992294400 4194304 5102416 548682068784 18446744073709551615 4273853 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1212 822 98 221 0 988 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4848

[startup+0.301162 s]
/proc/loadavg: 1.15 1.03 1.05 3/65 29822
/proc/meminfo: memFree=1491016/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4468 CPUtime=0.29
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 842 0 0 0 29 0 0 0 19 0 1 0 107597332 4575232 761 1992294400 4194304 5102416 548682068784 18446744073709551615 4221966 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1117 761 102 221 0 893 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4468

[startup+0.701243 s]
/proc/loadavg: 1.15 1.03 1.05 3/65 29822
/proc/meminfo: memFree=1491016/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4468 CPUtime=0.69
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 842 0 0 0 69 0 0 0 23 0 1 0 107597332 4575232 761 1992294400 4194304 5102416 548682068784 18446744073709551615 4220500 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1117 761 102 221 0 893 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4468

[startup+1.50141 s]
/proc/loadavg: 1.15 1.03 1.05 2/66 29823
/proc/meminfo: memFree=1488128/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4468 CPUtime=1.49
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 842 0 0 0 149 0 0 0 25 0 1 0 107597332 4575232 761 1992294400 4194304 5102416 548682068784 18446744073709551615 4221966 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1117 761 102 221 0 893 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4468

[startup+3.10173 s]
/proc/loadavg: 1.15 1.03 1.05 2/66 29823
/proc/meminfo: memFree=1488000/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4468 CPUtime=3.09
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 842 0 0 0 309 0 0 0 25 0 1 0 107597332 4575232 761 1992294400 4194304 5102416 548682068784 18446744073709551615 4220513 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1117 761 102 221 0 893 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 4468

[startup+6.30138 s]
/proc/loadavg: 1.14 1.03 1.04 2/66 29823
/proc/meminfo: memFree=1488000/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4468 CPUtime=6.29
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 842 0 0 0 629 0 0 0 25 0 1 0 107597332 4575232 761 1992294400 4194304 5102416 548682068784 18446744073709551615 4220505 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1117 761 102 221 0 893 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 4468

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

[startup+7.90171 s]
/proc/loadavg: 1.14 1.03 1.04 2/66 29823
/proc/meminfo: memFree=1488200/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4468 CPUtime=7.89
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 842 0 0 0 789 0 0 0 25 0 1 0 107597332 4575232 761 1992294400 4194304 5102416 548682068784 18446744073709551615 4220500 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1117 761 102 221 0 893 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 4468

[startup+8.30179 s]
/proc/loadavg: 1.14 1.03 1.04 2/66 29823
/proc/meminfo: memFree=1488200/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4468 CPUtime=8.29
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 842 0 0 0 829 0 0 0 25 0 1 0 107597332 4575232 761 1992294400 4194304 5102416 548682068784 18446744073709551615 4220505 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1117 761 102 221 0 893 0
Current children cumulated CPU time (s) 8.29
Current children cumulated vsize (KiB) 4468

[startup+8.70187 s]
/proc/loadavg: 1.13 1.03 1.04 2/66 29823
/proc/meminfo: memFree=1488200/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4468 CPUtime=8.69
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 842 0 0 0 869 0 0 0 25 0 1 0 107597332 4575232 761 1992294400 4194304 5102416 548682068784 18446744073709551615 4221949 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1117 761 102 221 0 893 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 4468

[startup+8.80589 s]
/proc/loadavg: 1.13 1.03 1.04 2/66 29823
/proc/meminfo: memFree=1488200/2055920 swapFree=4181412/4192956
[pid=29822] ppid=29820 vsize=4468 CPUtime=8.79
/proc/29822/stat : 29822 (varsat-random_s) R 29820 29822 28356 0 -1 4194304 842 0 0 0 879 0 0 0 25 0 1 0 107597332 4575232 761 1992294400 4194304 5102416 548682068784 18446744073709551615 4220500 0 0 4096 3 0 0 0 17 0 0 0
/proc/29822/statm: 1117 761 102 221 0 893 0
Current children cumulated CPU time (s) 8.79
Current children cumulated vsize (KiB) 4468

Child status: 10
Real time (s): 8.90263
CPU time (s): 8.89665
CPU user time (s): 8.89165
CPU system time (s): 0.004999
CPU usage (%): 99.9328
Max. virtual memory (cumulated for all children) (KiB): 4848

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.89165
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 847
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= 36

runsolver used 0.012998 second user time and 0.028995 second system time

The end

Launcher Data 

Begin job on node80 at 2009-04-27 03:28:04
IDJOB=1734277
IDBENCH=71203
IDSOLVER=539
FILE ID=node80/1734277-1240795684
PBS_JOBID= 9187325
Free space on /tmp= 66044 MiB

SOLVER NAME= VARSAT-random 2009-03-22
BENCH NAME= SAT09/CRAFTED/sgi/satsgi-n25himBHm27-p0-q251.cnf
COMMAND LINE= HOME/varsat-random_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1734277-1240795684/watcher-1734277-1240795684 -o /tmp/evaluation-result-1734277-1240795684/solver-1734277-1240795684 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-random_static -seed=835796855 HOME/instance-1734277-1240795684.cnf

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

MD5SUM BENCH= 741e1de0c22ee8d0ee067ccd7623ed63
RANDOM SEED=835796855

node80.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		: 3000.270
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		: 3000.270
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1491432 kB
Buffers:         55380 kB
Cached:         434880 kB
SwapCached:       5460 kB
Active:         268560 kB
Inactive:       229528 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1491432 kB
SwapTotal:     4192956 kB
SwapFree:      4181412 kB
Dirty:            1684 kB
Writeback:           0 kB
Mapped:          13496 kB
Slab:            52312 kB
Committed_AS:   423084 kB
PageTables:       1384 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= 66040 MiB
End job on node80 at 2009-04-27 03:28:13