Trace number 1523837

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
TNM 2009-03-22SAT 0.032994 0.033387

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/560/
unif-k3-r4.25-v560-c2380-S889538696-070.cnf
MD5SUM638869086f20650eb09f2e935bdc737c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.014997
Satisfiable
(Un)Satisfiability was proved
Number of variables560
Number of clauses2380
Sum of the clauses size7140
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32380
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.03	c try 1 flip j 18820
0.00/0.03	c A solution is found
0.00/0.03	s SATISFIABLE
0.00/0.03	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 
0.00/0.03	v 0 
0.00/0.03	c Done (mycputime is 0.030 seconds)

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-1523837-1238577321/watcher-1523837-1238577321 -o /tmp/evaluation-result-1523837-1238577321/solver-1523837-1238577321 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/TNM HOME/instance-1523837-1238577321.cnf 1210169163 

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: 0.92 0.98 0.99 3/64 14322
/proc/meminfo: memFree=1241264/2055920 swapFree=4178352/4192956
[pid=14322] ppid=14320 vsize=451060 CPUtime=0
/proc/14322/stat : 14322 (TNM) R 14320 14322 14067 0 -1 4194304 143 0 0 0 0 0 0 0 18 0 1 0 1130394919 461885440 127 1992294400 134512640 135094415 4294956208 18446744073709551615 134579382 0 0 4096 0 0 0 0 17 1 0 0
/proc/14322/statm: 112765 127 49 142 0 111644 0

[startup+0.0107049 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 14322
/proc/meminfo: memFree=1241264/2055920 swapFree=4178352/4192956
[pid=14322] ppid=14320 vsize=451192 CPUtime=0
/proc/14322/stat : 14322 (TNM) R 14320 14322 14067 0 -1 4194304 205 0 0 0 0 0 0 0 18 0 1 0 1130394919 462020608 189 1992294400 134512640 135094415 4294956208 18446744073709551615 134526732 0 0 4096 0 0 0 0 17 1 0 0
/proc/14322/statm: 112798 189 50 142 0 111677 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 451192

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

[startup+0.0107049 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 14322
/proc/meminfo: memFree=1241264/2055920 swapFree=4178352/4192956
[pid=14322] ppid=14320 vsize=451192 CPUtime=0
/proc/14322/stat : 14322 (TNM) R 14320 14322 14067 0 -1 4194304 205 0 0 0 0 0 0 0 18 0 1 0 1130394919 462020608 189 1992294400 134512640 135094415 4294956208 18446744073709551615 134526732 0 0 4096 0 0 0 0 17 1 0 0
/proc/14322/statm: 112798 189 50 142 0 111677 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 451192

Child status: 10
Real time (s): 0.033387
CPU time (s): 0.032994
CPU user time (s): 0.032994
CPU system time (s): 0
CPU usage (%): 98.8229
Max. virtual memory (cumulated for all children) (KiB): 451192

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.032994
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 222
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 0.007998 second system time

The end

Launcher Data 

Begin job on node43 at 2009-04-01 11:15:21
IDJOB=1523837
IDBENCH=70676
IDSOLVER=532
FILE ID=node43/1523837-1238577321
PBS_JOBID= 9062192
Free space on /tmp= 63084 MiB

SOLVER NAME= TNM 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/560/unif-k3-r4.25-v560-c2380-S889538696-070.cnf
COMMAND LINE= HOME/TNM BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1523837-1238577321/watcher-1523837-1238577321 -o /tmp/evaluation-result-1523837-1238577321/solver-1523837-1238577321 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/TNM HOME/instance-1523837-1238577321.cnf 1210169163

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

MD5SUM BENCH= 638869086f20650eb09f2e935bdc737c
RANDOM SEED=1210169163

node43.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		: 3000.242
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		: 3000.242
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:       1241680 kB
Buffers:         93168 kB
Cached:         627016 kB
SwapCached:       8504 kB
Active:         311468 kB
Inactive:       418680 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1241680 kB
SwapTotal:     4192956 kB
SwapFree:      4178352 kB
Dirty:            4596 kB
Writeback:           0 kB
Mapped:          15732 kB
Slab:            70032 kB
Committed_AS:  2583128 kB
PageTables:       1448 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= 63080 MiB
End job on node43 at 2009-04-01 11:15:21