Trace number 1737041

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
SAT4J CORE 2.1 RC1SAT 0.552915 0.417868

General information on the benchmark

NameCRAFTED/parity-games/
instance_n3_i3_pp.cnf
MD5SUM2a7169a83594b75cda64cac41124a58d
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.003998
Satisfiable
(Un)Satisfiability was proved
Number of variables525
Number of clauses2276
Sum of the clauses size6924
Maximum clause length6
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2756
Number of clauses of size 3852
Number of clauses of size 4486
Number of clauses of size 5180
Number of clauses of size over 52

Solver Data 

0.08/0.14	c SAT4J: a SATisfiability library for Java (c) 2004-2008 Daniel Le Berre
0.08/0.14	c This is free software under the dual EPL/GNU LGPL licenses.
0.08/0.14	c See www.sat4j.org for details.
0.08/0.15	c version 2.1.0.v20090228
0.08/0.15	c sun.arch.data.model	32
0.08/0.15	c java.version	1.6.0_12
0.08/0.15	c os.name	Linux
0.08/0.15	c os.version	2.6.9-22.EL.rootsmp
0.08/0.15	c os.arch	i386
0.08/0.15	c Free memory 1651659224
0.08/0.15	c Max memory 1654456320
0.08/0.15	c Total memory 1654456320
0.08/0.15	c Number of processors 2
0.22/0.20	c c --- Begin Solver configuration ---
0.22/0.20	c Stops conflict analysis at the first Unique Implication Point
0.22/0.20	c org.sat4j.minisat.constraints.MixedDataStructureDanielWL@11b9fb1
0.22/0.20	c Limit learning to clauses of size smaller or equal to 10% of the number of variables
0.22/0.20	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.1 initConflictBound=100 
0.22/0.20	c VSIDS like heuristics from MiniSAT using a heap lightweight component caching from RSAT
0.22/0.20	c Expensive reason simplification
0.22/0.20	c Armin Biere (Picosat) restarts strategy
0.22/0.20	c timeout=2147483647s
0.22/0.20	c DB Simplification allowed=true
0.22/0.20	c --- End Solver configuration ---
0.22/0.20	c solving HOME/instance-1737041-1240814353.cnf
0.22/0.20	c reading problem ... 
0.22/0.28	c ... done. Wall clock time 0.085s.
0.22/0.28	c #vars     525
0.22/0.28	c #constraints  2276
0.22/0.28	c constraints type 
0.22/0.28	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 1520
0.22/0.28	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 756
0.53/0.40	c starts		: 1
0.53/0.40	c conflicts		: 29
0.53/0.40	c decisions		: 84
0.53/0.40	c propagations		: 3076
0.53/0.40	c inspects		: 11660
0.53/0.40	c learnt literals	: 4
0.53/0.40	c learnt binary clauses	: 5
0.53/0.40	c learnt ternary clauses	: 4
0.53/0.40	c learnt clauses	: 25
0.53/0.40	c ignored clauses	: 0
0.53/0.40	c root simplifications	: 5
0.53/0.40	c removed literals (reason simplification)	: 16
0.53/0.40	c reason swapping (by a shorter reason)	: 0
0.53/0.40	c Calls to reduceDB	: 0
0.53/0.40	c speed (assignments/second)	: 26517.241379310344
0.53/0.40	c non guided choices	25
0.53/0.40	c learnt constraints type 
0.53/0.40	c org.sat4j.minisat.constraints.cnf.LearntBinaryClause => 4
0.53/0.40	c org.sat4j.minisat.constraints.cnf.LearntWLClause => 16
0.53/0.40	s SATISFIABLE
0.53/0.41	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 0
0.53/0.41	c Total wall clock time (in seconds) : 0.203

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1737041-1240814353/watcher-1737041-1240814353 -o /tmp/evaluation-result-1737041-1240814353/solver-1737041-1240814353 -C 1200 -W 1800 -M 1800 --output-limit 1,15 java6 -server -Xms1600m -Xmx1600m -jar HOME/org.sat4j.core.jar HOME/instance-1737041-1240814353.cnf 

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: 0.92 0.98 0.99 3/64 1867
/proc/meminfo: memFree=1744896/2055924 swapFree=4180788/4192956
[pid=1867] ppid=1865 vsize=4 CPUtime=0
/proc/1867/stat : 1867 (java6) R 1865 1867 1548 0 -1 0 16 0 0 0 0 0 0 0 20 0 1 0 109469671 4096 1 1992294400 0 0 0 18446744073709551615 268582841639 0 0 4096 0 0 0 0 17 1 0 0
/proc/1867/statm: 35 3 0 0 0 1 0

[startup+0.065867 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 1867
/proc/meminfo: memFree=1744896/2055924 swapFree=4180788/4192956
[pid=1867] ppid=1865 vsize=1778556 CPUtime=0.04
/proc/1867/stat : 1867 (java) S 1865 1867 1548 0 -1 0 3592 0 1 0 3 1 0 0 18 0 7 0 109469671 1821241344 3337 1992294400 134512640 134550932 4294955984 18446744073709551615 4294960144 0 0 0 16784584 18446744073709551615 0 0 17 1 0 0
/proc/1867/statm: 444639 3337 1029 9 0 441990 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1778556

[startup+0.101872 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 1867
/proc/meminfo: memFree=1744896/2055924 swapFree=4180788/4192956
[pid=1867] ppid=1865 vsize=1780924 CPUtime=0.08
/proc/1867/stat : 1867 (java) S 1865 1867 1548 0 -1 0 3884 0 1 0 6 2 0 0 18 0 12 0 109469671 1823666176 3627 1992294400 134512640 134550932 4294955984 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/1867/statm: 445231 3627 1067 9 0 442578 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1780924

[startup+0.301912 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 1867
/proc/meminfo: memFree=1744896/2055924 swapFree=4180788/4192956
[pid=1867] ppid=1865 vsize=1784016 CPUtime=0.35
/proc/1867/stat : 1867 (java) S 1865 1867 1548 0 -1 0 5284 0 1 0 32 3 0 0 18 0 13 0 109469671 1826832384 5011 1992294400 134512640 134550932 4294955984 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/1867/statm: 446004 5011 1365 9 0 443351 0
Current children cumulated CPU time (s) 0.35
Current children cumulated vsize (KiB) 1784016

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

[startup+0.401931 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 1867
/proc/meminfo: memFree=1744896/2055924 swapFree=4180788/4192956
[pid=1867] ppid=1865 vsize=1785868 CPUtime=0.53
/proc/1867/stat : 1867 (java) S 1865 1867 1548 0 -1 0 6008 0 1 0 49 4 0 0 18 0 13 0 109469671 1828728832 5496 1992294400 134512640 134550932 4294955984 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/1867/statm: 446467 5496 1390 9 0 443814 0
Current children cumulated CPU time (s) 0.53
Current children cumulated vsize (KiB) 1785868

Child status: 10
Real time (s): 0.417868
CPU time (s): 0.552915
CPU user time (s): 0.506922
CPU system time (s): 0.045993
CPU usage (%): 132.318
Max. virtual memory (cumulated for all children) (KiB): 1785868

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.506922
system time used= 0.045993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6033
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 208
involuntary context switches= 119

runsolver used 0.004999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node6 at 2009-04-27 08:39:13
IDJOB=1737041
IDBENCH=71641
IDSOLVER=500
FILE ID=node6/1737041-1240814353
PBS_JOBID= 9187455
Free space on /tmp= 66340 MiB

SOLVER NAME= SAT4J CORE  2.1 RC1
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n3_i3_pp.cnf
COMMAND LINE= java6 -server -Xms1600m -Xmx1600m -jar HOME/org.sat4j.core.jar BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1737041-1240814353/watcher-1737041-1240814353 -o /tmp/evaluation-result-1737041-1240814353/solver-1737041-1240814353 -C 1200 -W 1800 -M 1800 --output-limit 1,15  java6 -server -Xms1600m -Xmx1600m -jar HOME/org.sat4j.core.jar HOME/instance-1737041-1240814353.cnf

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

MD5SUM BENCH= 2a7169a83594b75cda64cac41124a58d
RANDOM SEED=1663798428

node6.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		: 3000.281
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		: 3000.281
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:      2055924 kB
MemFree:       1745312 kB
Buffers:         45636 kB
Cached:         192456 kB
SwapCached:       6028 kB
Active:          93384 kB
Inactive:       153136 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1745312 kB
SwapTotal:     4192956 kB
SwapFree:      4180788 kB
Dirty:             216 kB
Writeback:           0 kB
Mapped:          14060 kB
Slab:            50076 kB
Committed_AS:   517880 kB
PageTables:       1452 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66340 MiB
End job on node6 at 2009-04-27 08:39:14