Trace number 1633002

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 0.035993 0.035351

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/480/
unif-k3-r4.25-v480-c2040-S1924575376-025.cnf
MD5SUM6fb0ba561e085817334f61be44abbbd8
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.015997
Satisfiable
(Un)Satisfiability was proved
Number of variables480
Number of clauses2040
Sum of the clauses size6120
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32040
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 22114
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 
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:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1633002-1240312084/watcher-1633002-1240312084 -o /tmp/evaluation-result-1633002-1240312084/solver-1633002-1240312084 -C 5000 -W 6000 -M 1800 --output-limit 1,15 HOME/TNM HOME/instance-1633002-1240312084.cnf 900383333 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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: 1.92 1.98 1.91 3/64 7519
/proc/meminfo: memFree=1498608/2055920 swapFree=4181824/4192956
[pid=7519] ppid=7517 vsize=451060 CPUtime=0
/proc/7519/stat : 7519 (TNM) R 7517 7519 6942 0 -1 4194304 137 0 0 0 0 0 0 0 18 0 1 0 59242238 461885440 121 1992294400 134512640 135094415 4294956240 18446744073709551615 134523994 0 0 4096 0 0 0 0 17 1 0 0
/proc/7519/statm: 112765 121 49 142 0 111644 0

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

Child status: 10
Real time (s): 0.035351
CPU time (s): 0.035993
CPU user time (s): 0.033994
CPU system time (s): 0.001999
CPU usage (%): 101.816
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.033994
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= 211
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 node7 at 2009-04-21 13:08:04
IDJOB=1633002
IDBENCH=70722
IDSOLVER=589
FILE ID=node7/1633002-1240312084
PBS_JOBID= 9159943
Free space on /tmp= 66212 MiB

SOLVER NAME= TNM 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/480/unif-k3-r4.25-v480-c2040-S1924575376-025.cnf
COMMAND LINE= HOME/TNM BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1633002-1240312084/watcher-1633002-1240312084 -o /tmp/evaluation-result-1633002-1240312084/solver-1633002-1240312084 -C 5000 -W 6000 -M 1800 --output-limit 1,15  HOME/TNM HOME/instance-1633002-1240312084.cnf 900383333

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 6fb0ba561e085817334f61be44abbbd8
RANDOM SEED=900383333

node7.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		: 3000.256
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		: 3000.256
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:       1499024 kB
Buffers:         58524 kB
Cached:         442244 kB
SwapCached:       5492 kB
Active:         117252 kB
Inactive:       391380 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1499024 kB
SwapTotal:     4192956 kB
SwapFree:      4181824 kB
Dirty:            5228 kB
Writeback:           0 kB
Mapped:          12880 kB
Slab:            34240 kB
Committed_AS:   415552 kB
PageTables:       1444 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= 66208 MiB
End job on node7 at 2009-04-21 13:08:04