Trace number 1543006

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+-V.2-T 2009-03-22SAT 0.953854 0.484236

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/440/
unif-k3-r4.25-v440-c1870-S1112524719-021.cnf
MD5SUM91e05b0ecb05a962d8527635e6de2e78
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.021995
Satisfiable
(Un)Satisfiability was proved
Number of variables440
Number of clauses1870
Sum of the clauses size5610
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31870
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c +------------------------------+
0.00/0.00	c | gNovelty+, version 2.0       |
0.00/0.00	c +------------------------------+
0.00/0.00	c gnovelty+ -h for help
0.00/0.00	c 
0.28/0.48	s SATISFIABLE
0.28/0.48	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 0

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-1543006-1238583367/watcher-1543006-1238583367 -o /tmp/evaluation-result-1543006-1238583367/solver-1543006-1238583367 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1543006-1238583367.cnf 966502231 2 

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: 2.05 1.58 1.23 3/64 18106
/proc/meminfo: memFree=1388176/2055920 swapFree=4171920/4192956
[pid=18106] ppid=18104 vsize=71132 CPUtime=0
/proc/18106/stat : 18106 (gnovelty+) R 18104 18106 17221 0 -1 4194304 188 0 0 0 0 0 0 0 18 0 2 0 1131002471 72839168 172 1992294400 134512640 135728688 4294956208 18446744073709551615 134529219 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/18106/statm: 17783 172 104 296 0 17484 0
[pid=18106/tid=18107] ppid=18104 vsize=71132 CPUtime=0
/proc/18106/task/18107/stat : 18107 (gnovelty+) R 18104 18106 17221 0 -1 4194368 0 0 0 0 0 0 0 0 19 0 2 0 1131002471 72839168 172 1992294400 134512640 135728688 4294956208 18446744073709551615 135205972 0 0 4096 0 0 0 0 -1 1 0 0

[startup+0.061269 s]
/proc/loadavg: 2.05 1.58 1.23 3/64 18106
/proc/meminfo: memFree=1388176/2055920 swapFree=4171920/4192956
[pid=18106] ppid=18104 vsize=71132 CPUtime=0.28
/proc/18106/stat : 18106 (gnovelty+) R 18104 18106 17221 0 -1 4194304 192 0 0 0 25 3 0 0 16 0 2 0 1131002471 72839168 176 1992294400 134512640 135728688 4294956208 18446744073709551615 134611886 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/18106/statm: 17783 176 104 296 0 17484 0
[pid=18106/tid=18107] ppid=18104 vsize=71132 CPUtime=0.17
/proc/18106/task/18107/stat : 18107 (gnovelty+) R 18104 18106 17221 0 -1 4194368 4 0 0 0 15 2 0 0 17 0 2 0 1131002471 72839168 176 1992294400 134512640 135728688 4294956208 18446744073709551615 134612145 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 71132

[startup+0.458314 s]
/proc/loadavg: 2.05 1.58 1.23 3/64 18106
/proc/meminfo: memFree=1388176/2055920 swapFree=4171920/4192956
[pid=18106] ppid=18104 vsize=0 CPUtime=0.94
/proc/18106/stat : 18106 (gnovelty+) R 18104 18106 17221 0 -1 4195332 201 0 0 0 83 11 0 0 16 0 1 0 1131002471 0 0 1992294400 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/18106/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 0.94
Current children cumulated vsize (KiB) 0

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

Child status: 10
Real time (s): 0.484236
CPU time (s): 0.953854
CPU user time (s): 0.837872
CPU system time (s): 0.115982
CPU usage (%): 196.981
Max. virtual memory (cumulated for all children) (KiB): 71132

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.837872
system time used= 0.115982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 201
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= 130
involuntary context switches= 5

runsolver used 0.001999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node28 at 2009-04-01 12:56:08
IDJOB=1543006
IDBENCH=70697
IDSOLVER=552
FILE ID=node28/1543006-1238583367
PBS_JOBID= 9070527
Free space on /tmp= 66300 MiB

SOLVER NAME= gNovelty+-V.2-T 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/440/unif-k3-r4.25-v440-c1870-S1112524719-021.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1543006-1238583367/watcher-1543006-1238583367 -o /tmp/evaluation-result-1543006-1238583367/solver-1543006-1238583367 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1543006-1238583367.cnf 966502231 2

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 2

MD5SUM BENCH= 91e05b0ecb05a962d8527635e6de2e78
RANDOM SEED=966502231

node28.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		: 3000.212
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		: 3000.212
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:       1388592 kB
Buffers:        112840 kB
Cached:         439868 kB
SwapCached:      14208 kB
Active:         211836 kB
Inactive:       358096 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1388592 kB
SwapTotal:     4192956 kB
SwapFree:      4171920 kB
Dirty:            1476 kB
Writeback:           0 kB
Mapped:          17852 kB
Slab:            83132 kB
Committed_AS:  2977376 kB
PageTables:       1428 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66300 MiB
End job on node28 at 2009-04-01 12:56:08