Trace number 1778497

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 0.18 0.138729

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/560/
unif-k3-r4.25-v560-c2380-S809967194-078.cnf
MD5SUMed095e38b0a3e5af1f48e3823e5c45cb
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.18
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 

0.07/0.08	c +------------------------------+
0.07/0.08	c | gNovelty+, version 1.0       |
0.07/0.08	c +------------------------------+
0.07/0.08	c gnovelty+ -h for help
0.07/0.08	c 
0.13/0.13	s SATISFIABLE
0.13/0.13	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
0.13/0.13	c Done in 0.070000 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-1778497-1243480776/watcher-1778497-1243480776 -o /tmp/evaluation-result-1778497-1243480776/solver-1778497-1243480776 -C 5000 -W 1000 -M 2047 HOME/gnovelty+ HOME/instance-1778497-1243480776.cnf 140467175 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: 2.23 3.52 3.87 3/109 6038
/proc/meminfo: memFree=708012/3368532 swapFree=1959840/1959888
[pid=6038] ppid=6036 vsize=509232 CPUtime=0.01
/proc/6038/stat : 6038 (gnovelty+) R 6036 6038 7955 0 -1 4202496 1366 0 0 0 0 1 0 0 18 0 1 0 1112740455 521453568 1323 4294967295 134512640 135680988 3213851728 3213850992 134537167 0 0 0 0 0 0 0 17 2 0 0 0
/proc/6038/statm: 127308 1331 99 286 0 127020 0

[startup+0.062599 s]
/proc/loadavg: 2.23 3.52 3.87 3/109 6038
/proc/meminfo: memFree=708012/3368532 swapFree=1959840/1959888
[pid=6038] ppid=6036 vsize=517044 CPUtime=0.07
/proc/6038/stat : 6038 (gnovelty+) R 6036 6038 7955 0 -1 4202496 15250 0 0 0 2 5 0 0 18 0 1 0 1112740455 529453056 15205 4294967295 134512640 135680988 3213851728 3213850992 134537968 0 0 0 0 0 0 0 17 2 0 0 0
/proc/6038/statm: 129261 15216 99 286 0 128973 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 517044

[startup+0.112611 s]
/proc/loadavg: 2.23 3.52 3.87 3/109 6038
/proc/meminfo: memFree=708012/3368532 swapFree=1959840/1959888
[pid=6038] ppid=6036 vsize=545936 CPUtime=0.13
/proc/6038/stat : 6038 (gnovelty+) R 6036 6038 7955 0 -1 4202496 19831 0 0 0 6 7 0 0 19 0 4 0 1112740455 559038464 19786 4294967295 134512640 135680988 3213851728 3213850972 134957681 0 0 0 0 4294967295 0 0 17 2 0 0 0
/proc/6038/statm: 136484 19786 103 286 0 136196 0
Current children cumulated CPU time (s) 0.13
Current children cumulated vsize (KiB) 545936

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

Child status: 10
Real time (s): 0.138729
CPU time (s): 0.18
CPU user time (s): 0.1
CPU system time (s): 0.08
CPU usage (%): 129.749
Max. virtual memory (cumulated for all children) (KiB): 545936

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.1
system time used= 0.08
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19848
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= 773
involuntary context switches= 93

runsolver used 0 second user time and 0.01 second system time

The end

Launcher Data 

Begin job on  at 2009-05-28 05:19:36
IDJOB=1778497
IDBENCH=70681
IDSOLVER=617
FILE ID=/1778497-1243480776
PBS_JOBID=
Free space on /tmp= 7987 MiB

SOLVER NAME= gNovelty+-T 2009-03-22 (4 threads)
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/560/unif-k3-r4.25-v560-c2380-S809967194-078.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= runsolver --timestamp  -w /tmp/evaluation-result-1778497-1243480776/watcher-1778497-1243480776 -o /tmp/evaluation-result-1778497-1243480776/solver-1778497-1243480776 -C 5000 -W 1000 -M 2047  HOME/gnovelty+ HOME/instance-1778497-1243480776.cnf 140467175 4

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

MD5SUM BENCH= ed095e38b0a3e5af1f48e3823e5c45cb
RANDOM SEED= 140467175

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:        708012 kB
Buffers:         41844 kB
Cached:        2436424 kB
SwapCached:          0 kB
Active:        1299668 kB
Inactive:      1197760 kB
HighTotal:     2489216 kB
HighFree:       448168 kB
LowTotal:       879316 kB
LowFree:        259844 kB
SwapTotal:     1959888 kB
SwapFree:      1959840 kB
Dirty:            1408 kB
Writeback:           0 kB
AnonPages:       19184 kB
Mapped:           7552 kB
Slab:           153100 kB
SReclaimable:   138856 kB
SUnreclaim:      14244 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 05:19:37