Trace number 1778398

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+-T 2009-03-22 (4 threads)SAT 0.47 0.229885

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/500/
unif-k3-r4.25-v500-c2125-S1258122549-031.cnf
MD5SUMe4beefd25957794efe8088679c7fff55
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.47
Satisfiable
(Un)Satisfiability was proved
Number of variables500
Number of clauses2125
Sum of the clauses size6375
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32125
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.04/0.08	c +------------------------------+
0.04/0.08	c | gNovelty+, version 1.0       |
0.04/0.08	c +------------------------------+
0.04/0.08	c gnovelty+ -h for help
0.04/0.08	c 
0.45/0.22	s SATISFIABLE
0.45/0.22	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 0
0.45/0.22	c Done in 0.210000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:503) (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w /tmp/evaluation-result-1778398-1243480725/watcher-1778398-1243480725 -o /tmp/evaluation-result-1778398-1243480725/solver-1778398-1243480725 -C 5000 -W 1000 -M 2047 HOME/gnovelty+ HOME/instance-1778398-1243480725.cnf 1938797858 4 

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): 1000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 2096128 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 2147328 KiB
Current StackSize limit: 8192 KiB


[startup+0 s]
/proc/loadavg: 3.86 3.99 4.03 3/109 4531
/proc/meminfo: memFree=710588/3368532 swapFree=1959840/1959888
[pid=4531] ppid=4529 vsize=509228 CPUtime=0
/proc/4531/stat : 4531 (gnovelty+) R 4529 4531 7955 0 -1 4202496 1373 0 0 0 0 0 0 0 18 0 1 0 1112735274 521449472 1331 4294967295 134512640 135680988 3214875968 3214875232 134537167 0 0 0 0 0 0 0 17 3 0 0 0
/proc/4531/statm: 127307 1339 99 286 0 127019 0

[startup+0.047615 s]
/proc/loadavg: 3.86 3.99 4.03 3/109 4531
/proc/meminfo: memFree=710588/3368532 swapFree=1959840/1959888
[pid=4531] ppid=4529 vsize=517040 CPUtime=0.04
/proc/4531/stat : 4531 (gnovelty+) R 4529 4531 7955 0 -1 4202496 12682 0 0 0 1 3 0 0 18 0 1 0 1112735274 529448960 12638 4294967295 134512640 135680988 3214875968 3214875232 134537708 0 0 0 0 0 0 0 17 3 0 0 0
/proc/4531/statm: 129260 12649 99 286 0 128972 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 517040

[startup+0.117606 s]
/proc/loadavg: 3.86 3.99 4.03 3/109 4531
/proc/meminfo: memFree=710588/3368532 swapFree=1959840/1959888
[pid=4531] ppid=4529 vsize=545800 CPUtime=0.14
/proc/4531/stat : 4531 (gnovelty+) R 4529 4531 7955 0 -1 4202496 19817 0 0 0 8 6 0 0 19 0 4 0 1112735274 558899200 19773 4294967295 134512640 135680988 3214875968 3214875164 134957681 0 0 0 0 4294967295 0 0 17 3 0 0 0
/proc/4531/statm: 136450 19773 103 286 0 136162 0
Current children cumulated CPU time (s) 0.14
Current children cumulated vsize (KiB) 545800

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

[startup+0.2176 s]
/proc/loadavg: 3.86 3.99 4.03 3/109 4531
/proc/meminfo: memFree=710588/3368532 swapFree=1959840/1959888
[pid=4531] ppid=4529 vsize=545800 CPUtime=0.45
/proc/4531/stat : 4531 (gnovelty+) R 4529 4531 7955 0 -1 4202496 19817 0 0 0 27 18 0 0 19 0 4 0 1112735274 558899200 19773 4294967295 134512640 135680988 3214875968 3214875212 134957681 0 0 0 0 4294967295 0 0 17 3 0 0 0
/proc/4531/statm: 136450 19773 103 286 0 136162 0
Current children cumulated CPU time (s) 0.45
Current children cumulated vsize (KiB) 545800

Child status: 10
Real time (s): 0.229885
CPU time (s): 0.47
CPU user time (s): 0.28
CPU system time (s): 0.19
CPU usage (%): 204.45
Max. virtual memory (cumulated for all children) (KiB): 545800

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.28
system time used= 0.19
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19833
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= 8074
involuntary context switches= 202

runsolver used 0 second user time and 0 second system time

The end

Launcher Data 

Begin job on  at 2009-05-28 05:18:45
IDJOB=1778398
IDBENCH=70648
IDSOLVER=617
FILE ID=/1778398-1243480725
PBS_JOBID=
Free space on /tmp= 7987 MiB

SOLVER NAME= gNovelty+-T 2009-03-22 (4 threads)
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/500/unif-k3-r4.25-v500-c2125-S1258122549-031.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= runsolver --timestamp  -w /tmp/evaluation-result-1778398-1243480725/watcher-1778398-1243480725 -o /tmp/evaluation-result-1778398-1243480725/solver-1778398-1243480725 -C 5000 -W 1000 -M 2047  HOME/gnovelty+ HOME/instance-1778398-1243480725.cnf 1938797858 4

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 2047 MiB
MAX NB THREAD= 4

MD5SUM BENCH= e4beefd25957794efe8088679c7fff55
RANDOM SEED= 1938797858

Linux (none) 2.6.21.5 #6 SMP Wed Jul 4 17:16:38 CEST 2007 i686 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            5130  @ 2.00GHz
stepping	: 6
cpu MHz		: 1995.073
cache size	: 4096 KB
physical id	: 0
siblings	: 2
core id		: 0
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
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 pbe lm constant_tsc pni monitor ds_cpl vmx tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips	: 3992.42
clflush size	: 64

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            5130  @ 2.00GHz
stepping	: 6
cpu MHz		: 1995.073
cache size	: 4096 KB
physical id	: 0
siblings	: 2
core id		: 1
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
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 pbe lm constant_tsc pni monitor ds_cpl vmx tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips	: 3990.12
clflush size	: 64

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            5130  @ 2.00GHz
stepping	: 6
cpu MHz		: 1995.073
cache size	: 4096 KB
physical id	: 3
siblings	: 2
core id		: 0
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
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 pbe lm constant_tsc pni monitor ds_cpl vmx tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips	: 3990.14
clflush size	: 64

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            5130  @ 2.00GHz
stepping	: 6
cpu MHz		: 1995.073
cache size	: 4096 KB
physical id	: 3
siblings	: 2
core id		: 1
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
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 pbe lm constant_tsc pni monitor ds_cpl vmx tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips	: 3990.14
clflush size	: 64


/proc/meminfo:
MemTotal:      3368532 kB
MemFree:        710588 kB
Buffers:         41820 kB
Cached:        2435356 kB
SwapCached:          0 kB
Active:        1299636 kB
Inactive:      1196704 kB
HighTotal:     2489216 kB
HighFree:       450108 kB
LowTotal:       879316 kB
LowFree:        260480 kB
SwapTotal:     1959888 kB
SwapFree:      1959840 kB
Dirty:            1512 kB
Writeback:           0 kB
AnonPages:       18968 kB
Mapped:           7552 kB
Slab:           152392 kB
SReclaimable:   138704 kB
SUnreclaim:      13688 kB
PageTables:        656 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   3644152 kB
Committed_AS:   110900 kB
VmallocTotal:   114680 kB
VmallocUsed:      1444 kB
VmallocChunk:   113072 kB

Free space on /tmp at the end= 7987 MiB
End job on  at 2009-05-28 05:18:45