Trace number 1546150

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
SAT07 reference solver: adaptg2wsat+ 2007-02-08SAT 0.048991 0.049774

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/460/
unif-k3-r4.25-v460-c1955-S2035161427-020.cnf
MD5SUM074d3c53fc7fcb6f758396e5d450cb42
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.019996
Satisfiable
(Un)Satisfiability was proved
Number of variables460
Number of clauses1955
Sum of the clauses size5865
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31955
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.04	c try 1 flip j 43801
0.00/0.04	c A solution is found
0.00/0.04	s SATISFIABLE
0.00/0.04	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 
0.00/0.04	v 0 
0.00/0.04	c Done (mycputime is 0.000 seconds)

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-1546150-1238675733/watcher-1546150-1238675733 -o /tmp/evaluation-result-1546150-1238675733/solver-1546150-1238675733 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat+ HOME/instance-1546150-1238675733.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: 1.00 0.99 0.99 3/72 25185
/proc/meminfo: memFree=1613624/2055920 swapFree=4174708/4192956
[pid=25185] ppid=25183 vsize=215152 CPUtime=0
/proc/25185/stat : 25185 (adaptg2wsat+) R 25183 25185 24153 0 -1 4194304 122 0 0 0 0 0 0 0 18 0 1 0 1140234450 220315648 106 1992294400 134512640 134930140 4294956224 18446744073709551615 134523472 0 0 4096 0 0 0 0 17 0 0 0
/proc/25185/statm: 53788 106 38 101 0 53294 0

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

Child status: 10
Real time (s): 0.049774
CPU time (s): 0.048991
CPU user time (s): 0.046992
CPU system time (s): 0.001999
CPU usage (%): 98.4269
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.046992
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 184
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= 2
involuntary context switches= 0

runsolver used 0.004999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node67 at 2009-04-02 14:35:33
IDJOB=1546150
IDBENCH=70732
IDSOLVER=562
FILE ID=node67/1546150-1238675733
PBS_JOBID= 9075205
Free space on /tmp= 66376 MiB

SOLVER NAME= SAT07 reference solver: adaptg2wsat+ 2007-02-08
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/460/unif-k3-r4.25-v460-c1955-S2035161427-020.cnf
COMMAND LINE= HOME/adaptg2wsat+ BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1546150-1238675733/watcher-1546150-1238675733 -o /tmp/evaluation-result-1546150-1238675733/solver-1546150-1238675733 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat+ HOME/instance-1546150-1238675733.cnf            

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

MD5SUM BENCH= 074d3c53fc7fcb6f758396e5d450cb42
RANDOM SEED=1069540365

node67.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		: 3000.265
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		: 3000.265
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:       1614104 kB
Buffers:         85308 kB
Cached:         262808 kB
SwapCached:       9904 kB
Active:         227900 kB
Inactive:       131644 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1614104 kB
SwapTotal:     4192956 kB
SwapFree:      4174708 kB
Dirty:            6968 kB
Writeback:           0 kB
Mapped:          17000 kB
Slab:            67408 kB
Committed_AS:  3359260 kB
PageTables:       2052 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= 66368 MiB
End job on node67 at 2009-04-02 14:35:33