Trace number 1521737

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
MoRsat 2009-03-03SAT 0.018996 0.0195441

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/440/
unif-k3-r4.25-v440-c1870-S725789261-031.cnf
MD5SUMf67f090e24644066ce5872fbc256498a
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.011997
Satisfiable
(Un)Satisfiability was proved
Number of variables440
Number of clauses1870
Sum of the clauses size5610
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31870
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c MoRsat version 1.02 2009.03 
0.00/0.01	c atom#=440 clause#=1870 total literals=5610 
0.00/0.01	c Solution Verified
0.00/0.01	c CNF stats: (440 vars, 1870 clauses) 
0.00/0.01	c 
0.00/0.01	s SATISFIABLE
0.00/0.01	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 0
0.00/0.01	c 
0.00/0.01	c Running time: 0.01500 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1521737-1238584665/watcher-1521737-1238584665 -o /tmp/evaluation-result-1521737-1238584665/solver-1521737-1238584665 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/MoRsat HOME/instance-1521737-1238584665.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: 1.91 1.84 1.50 3/64 7791
/proc/meminfo: memFree=860808/2055920 swapFree=4176868/4192956
[pid=7791] ppid=7789 vsize=1496 CPUtime=0
/proc/7791/stat : 7791 (MoRsat) R 7789 7791 7383 0 -1 4194304 162 0 0 0 0 0 0 0 18 0 1 0 1131128839 1531904 145 1992294400 134512640 135679800 4294956224 18446744073709551615 135112615 0 0 4096 1026 0 0 0 17 1 0 0
/proc/7791/statm: 374 145 107 284 0 87 0

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

Child status: 10
Real time (s): 0.0195441
CPU time (s): 0.018996
CPU user time (s): 0.017997
CPU system time (s): 0.000999
CPU usage (%): 97.1958
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.017997
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 244
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 0.003999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node48 at 2009-04-01 13:17:45
IDJOB=1521737
IDBENCH=70702
IDSOLVER=502
FILE ID=node48/1521737-1238584665
PBS_JOBID= 9062228
Free space on /tmp= 66464 MiB

SOLVER NAME= MoRsat 2009-03-03
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/440/unif-k3-r4.25-v440-c1870-S725789261-031.cnf
COMMAND LINE= HOME/MoRsat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1521737-1238584665/watcher-1521737-1238584665 -o /tmp/evaluation-result-1521737-1238584665/solver-1521737-1238584665 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/MoRsat HOME/instance-1521737-1238584665.cnf

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

MD5SUM BENCH= f67f090e24644066ce5872fbc256498a
RANDOM SEED=1345618360

node48.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		: 3000.236
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		: 3000.236
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:        861224 kB
Buffers:        106356 kB
Cached:         984420 kB
SwapCached:      10280 kB
Active:         327384 kB
Inactive:       775236 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        861224 kB
SwapTotal:     4192956 kB
SwapFree:      4176868 kB
Dirty:            1432 kB
Writeback:           0 kB
Mapped:          17496 kB
Slab:            78044 kB
Committed_AS:  2769708 kB
PageTables:       1376 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= 66464 MiB
End job on node48 at 2009-04-01 13:17:45