Trace number 1529136

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
gnovelty+ 2009-03-22SAT 0.202968 0.202402

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/460/
unif-k3-r4.25-v460-c1955-S2106599808-035.cnf
MD5SUM23914e10b601e89075d5cbe23a039c20
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 variables460
Number of clauses1955
Sum of the clauses size5865
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31955
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.09/0.15	c +------------------------------+
0.09/0.15	c | gNovelty+, version 1.2       |
0.09/0.15	c +------------------------------+
0.09/0.15	c gnovelty+ -h for help
0.09/0.15	c 
0.09/0.15	finish initINstance()
0.09/0.15	c Problem instance: numAtoms = 460, numClauses = 1955, numLiterals = 5865
0.09/0.15	c General parameters: seed = 1581001204, timeout = 10 secs, targetCost = 0, print solution: no
0.09/0.15	c gNovelty+ parameters: walkprob = 0.01, smoothprob = 0.40, noise = adaptive
0.09/0.15	c tries = 1
0.09/0.15	c 
0.09/0.18	     0    25167         0     25167      5907      0.03
0.09/0.18	s SATISFIABLE
0.09/0.18	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 0
0.09/0.19	c Done in 0.030000 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-1529136-1238595972/watcher-1529136-1238595972 -o /tmp/evaluation-result-1529136-1238595972/solver-1529136-1238595972 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1529136-1238595972.cnf 1581001204 

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: 0.99 0.99 1.00 3/64 1199
/proc/meminfo: memFree=1030544/2055920 swapFree=4176444/4192956
[pid=1199] ppid=1197 vsize=957772 CPUtime=0
/proc/1199/stat : 1199 (gnovelty+) R 1197 1199 640 0 -1 4194304 793 0 0 0 0 0 0 0 18 0 1 0 1132262575 980758528 777 1992294400 134512640 135098890 4294956208 18446744073709551615 134517913 0 0 4096 0 0 0 0 17 1 0 0
/proc/1199/statm: 239443 788 46 143 0 239298 0

[startup+0.0452421 s]
/proc/loadavg: 0.99 0.99 1.00 3/64 1199
/proc/meminfo: memFree=1030544/2055920 swapFree=4176444/4192956
[pid=1199] ppid=1197 vsize=957772 CPUtime=0.03
/proc/1199/stat : 1199 (gnovelty+) R 1197 1199 640 0 -1 4194304 7070 0 0 0 1 2 0 0 18 0 1 0 1132262575 980758528 7055 1992294400 134512640 135098890 4294956208 18446744073709551615 134517913 0 0 4096 0 0 0 0 17 1 0 0
/proc/1199/statm: 239443 7061 46 143 0 239298 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 957772

[startup+0.101246 s]
/proc/loadavg: 0.99 0.99 1.00 3/64 1199
/proc/meminfo: memFree=1030544/2055920 swapFree=4176444/4192956
[pid=1199] ppid=1197 vsize=958552 CPUtime=0.09
/proc/1199/stat : 1199 (gnovelty+) R 1197 1199 640 0 -1 4194304 13722 0 0 0 4 5 0 0 18 0 1 0 1132262575 981557248 13705 1992294400 134512640 135098890 4294956208 18446744073709551615 134518640 0 0 4096 0 0 0 0 17 1 0 0
/proc/1199/statm: 239638 13709 48 143 0 239493 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 958552

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

[startup+0.201255 s]
/proc/loadavg: 0.99 0.99 1.00 3/64 1199
/proc/meminfo: memFree=1030544/2055920 swapFree=4176444/4192956
[pid=1199] ppid=1197 vsize=0 CPUtime=0.19
/proc/1199/stat : 1199 (gnovelty+) R 1197 1199 640 0 -1 4194308 19675 0 0 0 10 9 0 0 18 0 1 0 1132262575 0 0 1992294400 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/1199/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 0.202402
CPU time (s): 0.202968
CPU user time (s): 0.105983
CPU system time (s): 0.096985
CPU usage (%): 100.28
Max. virtual memory (cumulated for all children) (KiB): 958552

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.105983
system time used= 0.096985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19675
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 0.002999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node27 at 2009-04-01 16:26:12
IDJOB=1529136
IDBENCH=70733
IDSOLVER=536
FILE ID=node27/1529136-1238595972
PBS_JOBID= 9068317
Free space on /tmp= 65720 MiB

SOLVER NAME= gnovelty+ 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/460/unif-k3-r4.25-v460-c1955-S2106599808-035.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1529136-1238595972/watcher-1529136-1238595972 -o /tmp/evaluation-result-1529136-1238595972/solver-1529136-1238595972 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1529136-1238595972.cnf 1581001204

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

MD5SUM BENCH= 23914e10b601e89075d5cbe23a039c20
RANDOM SEED=1581001204

node27.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		: 2800.196
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	: 5521.40
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		: 2800.196
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:       1030960 kB
Buffers:         96540 kB
Cached:         823936 kB
SwapCached:       9492 kB
Active:         205116 kB
Inactive:       726560 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1030960 kB
SwapTotal:     4192956 kB
SwapFree:      4176444 kB
Dirty:             696 kB
Writeback:           0 kB
Mapped:          16824 kB
Slab:            79156 kB
Committed_AS:  3017608 kB
PageTables:       1380 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 65716 MiB
End job on node27 at 2009-04-01 16:26:12