Trace number 1778404

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 1.3 0.452723

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/500/
unif-k3-r4.25-v500-c2125-S1045096471-025.cnf
MD5SUM855b59e9a0f8a08a40646aec3f122ba2
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.3
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 

0.07/0.08	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 
1.21/0.44	s SATISFIABLE
1.21/0.44	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
1.21/0.44	c Done in 0.670000 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-1778404-1243480728/watcher-1778404-1243480728 -o /tmp/evaluation-result-1778404-1243480728/solver-1778404-1243480728 -C 5000 -W 1000 -M 2047 HOME/gnovelty+ HOME/instance-1778404-1243480728.cnf 1925476977 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: 3.55 3.92 4.01 3/109 4612
/proc/meminfo: memFree=709872/3368532 swapFree=1959840/1959888
[pid=4612] ppid=4610 vsize=509228 CPUtime=0
/proc/4612/stat : 4612 (gnovelty+) R 4610 4612 7955 0 -1 4202496 1398 0 0 0 0 0 0 0 18 0 1 0 1112735557 521449472 1355 4294967295 134512640 135680988 3215007072 3215006336 134537167 0 0 0 0 0 0 0 17 3 0 0 0
/proc/4612/statm: 127307 1363 99 286 0 127019 0

[startup+0.077543 s]
/proc/loadavg: 3.55 3.92 4.01 3/109 4612
/proc/meminfo: memFree=709872/3368532 swapFree=1959840/1959888
[pid=4612] ppid=4610 vsize=517040 CPUtime=0.07
/proc/4612/stat : 4612 (gnovelty+) R 4610 4612 7955 0 -1 4202496 18444 0 0 0 2 5 0 0 18 0 1 0 1112735557 529448960 18401 4294967295 134512640 135680988 3215007072 3215006336 134537905 0 0 0 0 0 0 0 17 3 0 0 0
/proc/4612/statm: 129260 18412 99 286 0 128972 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 517040

[startup+0.117539 s]
/proc/loadavg: 3.55 3.92 4.01 3/109 4612
/proc/meminfo: memFree=709872/3368532 swapFree=1959840/1959888
[pid=4612] ppid=4610 vsize=545800 CPUtime=0.13
/proc/4612/stat : 4612 (gnovelty+) R 4610 4612 7955 0 -1 4202496 19817 0 0 0 7 6 0 0 18 0 4 0 1112735557 558899200 19773 4294967295 134512640 135680988 3215007072 3215006316 134957681 0 0 0 0 4294967295 0 0 17 3 0 0 0
/proc/4612/statm: 136450 19773 103 286 0 136162 0
Current children cumulated CPU time (s) 0.13
Current children cumulated vsize (KiB) 545800

[startup+0.317543 s]
/proc/loadavg: 3.55 3.92 4.01 3/109 4612
/proc/meminfo: memFree=709872/3368532 swapFree=1959840/1959888
[pid=4612] ppid=4610 vsize=545800 CPUtime=0.84
/proc/4612/stat : 4612 (gnovelty+) R 4610 4612 7955 0 -1 4202496 19817 0 0 0 47 37 0 0 16 0 4 0 1112735557 558899200 19773 4294967295 134512640 135680988 3215007072 3215006316 134957422 0 0 0 0 4294967295 0 0 17 3 0 0 0
/proc/4612/statm: 136450 19773 103 286 0 136162 0
Current children cumulated CPU time (s) 0.84
Current children cumulated vsize (KiB) 545800

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

[startup+0.417548 s]
/proc/loadavg: 3.55 3.92 4.01 3/109 4612
/proc/meminfo: memFree=709872/3368532 swapFree=1959840/1959888
[pid=4612] ppid=4610 vsize=545800 CPUtime=1.21
/proc/4612/stat : 4612 (gnovelty+) R 4610 4612 7955 0 -1 4202496 19817 0 0 0 68 53 0 0 16 0 4 0 1112735557 558899200 19773 4294967295 134512640 135680988 3215007072 3215006268 134957681 0 0 0 0 4294967295 0 0 17 3 0 0 0
/proc/4612/statm: 136450 19773 103 286 0 136162 0
Current children cumulated CPU time (s) 1.21
Current children cumulated vsize (KiB) 545800

Child status: 10
Real time (s): 0.452723
CPU time (s): 1.3
CPU user time (s): 0.71
CPU system time (s): 0.59
CPU usage (%): 287.151
Max. virtual memory (cumulated for all children) (KiB): 545800

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.71
system time used= 0.59
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= 31283
involuntary context switches= 14

runsolver used 0 second user time and 0 second system time

The end

Launcher Data 

Begin job on  at 2009-05-28 05:18:48
IDJOB=1778404
IDBENCH=70650
IDSOLVER=617
FILE ID=/1778404-1243480728
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-S1045096471-025.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= runsolver --timestamp  -w /tmp/evaluation-result-1778404-1243480728/watcher-1778404-1243480728 -o /tmp/evaluation-result-1778404-1243480728/solver-1778404-1243480728 -C 5000 -W 1000 -M 2047  HOME/gnovelty+ HOME/instance-1778404-1243480728.cnf 1925476977 4

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

MD5SUM BENCH= 855b59e9a0f8a08a40646aec3f122ba2
RANDOM SEED= 1925476977

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:        710316 kB
Buffers:         41820 kB
Cached:        2435536 kB
SwapCached:          0 kB
Active:        1299580 kB
Inactive:      1196756 kB
HighTotal:     2489216 kB
HighFree:       450084 kB
LowTotal:       879316 kB
LowFree:        260232 kB
SwapTotal:     1959888 kB
SwapFree:      1959840 kB
Dirty:            1684 kB
Writeback:           0 kB
AnonPages:       19076 kB
Mapped:           7724 kB
Slab:           152512 kB
SReclaimable:   138712 kB
SUnreclaim:      13800 kB
PageTables:        516 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   3644152 kB
Committed_AS:   110892 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 05:18:48