Trace number 427534

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, and are wall clock time (not CPU 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
DEWSATZ 2007-04-26 (fixed)SAT 0.621904 0.624039

General information on the benchmark

Namerandom/OnTreshold/3SAT/v400/
unif-k3-r4.26-v400-c1704-S2048803580-17.SAT.shuffled.cnf
MD5SUMfd7d232d07ea82b35604ae65ebcd0d41
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.005998
Satisfiable
(Un)Satisfiability was proved
Number of variables400
Number of clauses1704
Sum of the clauses size5112
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31704
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.59/0.62	c   
0.59/0.62	c =====================================================================================================
0.59/0.62	c Copyright (c) 2004 National ICT Australia Limited (NICTA) and applicable third parties.
0.59/0.62	c For details, see the Australian Public Licence B (OZPLB) V1-1, under which this software is licensed.
0.59/0.62	c The OZPLB text is embedded in the source code for this software.
0.59/0.62	c =====================================================================================================
0.59/0.62	c   
0.59/0.62	c solution of dewSatz.c 
0.59/0.62	s SATISFIABLE
0.59/0.62	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 0 
0.59/0.62	c dewSatz /tmp/evaluation/427534-1177656296/instance-427534-1177656296.cnf 1  0.610  0.030 176 176 0 176 211 380838 13265 57808 8704 1820 1820 400 0 400

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node52/watcher-427534-1177656296 -o ROOT/results/node52/solver-427534-1177656296 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/427534-1177656296/dewSatz_fixed /tmp/evaluation/427534-1177656296/instance-427534-1177656296.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): 2400 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 27756
/proc/meminfo: memFree=1627732/2055920 swapFree=4182996/4192956
[pid=27756] ppid=27754 vsize=690012 CPUtime=0
/proc/27756/stat : 27756 (dewSatz_fixed) R 27754 27756 27182 0 -1 4194304 506 0 0 0 0 0 0 0 18 0 1 0 120474736 706572288 85 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134520528 0 0 4096 0 0 0 0 17 1 0 0
/proc/27756/statm: 172503 85 40 100 0 172400 0

[startup+0.0697829 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27756
/proc/meminfo: memFree=1627732/2055920 swapFree=4182996/4192956
[pid=27756] ppid=27754 vsize=690144 CPUtime=0.05
/proc/27756/stat : 27756 (dewSatz_fixed) R 27754 27756 27182 0 -1 4194304 9929 0 0 0 5 0 0 0 18 0 1 0 120474736 706707456 144 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134530834 0 0 4096 0 0 0 0 17 1 0 0
/proc/27756/statm: 172536 144 43 100 0 172433 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 690144

[startup+0.101785 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27756
/proc/meminfo: memFree=1627732/2055920 swapFree=4182996/4192956
[pid=27756] ppid=27754 vsize=690144 CPUtime=0.09
/proc/27756/stat : 27756 (dewSatz_fixed) R 27754 27756 27182 0 -1 4194304 9929 0 0 0 9 0 0 0 18 0 1 0 120474736 706707456 144 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134530215 0 0 4096 0 0 0 0 17 1 0 0
/proc/27756/statm: 172536 144 43 100 0 172433 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 690144

[startup+0.301798 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27756
/proc/meminfo: memFree=1627732/2055920 swapFree=4182996/4192956
[pid=27756] ppid=27754 vsize=690144 CPUtime=0.29
/proc/27756/stat : 27756 (dewSatz_fixed) R 27754 27756 27182 0 -1 4194304 9930 0 0 0 29 0 0 0 19 0 1 0 120474736 706707456 145 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134532637 0 0 4096 0 0 0 0 17 1 0 0
/proc/27756/statm: 172536 145 43 100 0 172433 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 690144

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

[startup+0.501811 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27756
/proc/meminfo: memFree=1627732/2055920 swapFree=4182996/4192956
[pid=27756] ppid=27754 vsize=690144 CPUtime=0.49
/proc/27756/stat : 27756 (dewSatz_fixed) R 27754 27756 27182 0 -1 4194304 9930 0 0 0 49 0 0 0 21 0 1 0 120474736 706707456 145 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134526771 0 0 4096 0 0 0 0 17 1 0 0
/proc/27756/statm: 172536 145 43 100 0 172433 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 690144

[startup+0.601818 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 27756
/proc/meminfo: memFree=1627732/2055920 swapFree=4182996/4192956
[pid=27756] ppid=27754 vsize=690144 CPUtime=0.59
/proc/27756/stat : 27756 (dewSatz_fixed) R 27754 27756 27182 0 -1 4194304 9930 0 0 0 59 0 0 0 22 0 1 0 120474736 706707456 145 18446744073709551615 134512640 134923568 4294956656 18446744073709551615 134530832 0 0 4096 0 0 0 0 17 1 0 0
/proc/27756/statm: 172536 145 43 100 0 172433 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 690144

Child status: 10
Real time (s): 0.624039
CPU time (s): 0.621904
CPU user time (s): 0.611906
CPU system time (s): 0.009998
CPU usage (%): 99.6579
Max. virtual memory (cumulated for all children) (KiB): 690144

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.611906
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9945
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= 8
involuntary context switches= 2

runsolver used 0.003999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node52 on Fri Apr 27 06:44:57 UTC 2007

IDJOB= 427534
IDBENCH= 20023
IDSOLVER= 197
FILE ID= node52/427534-1177656296

PBS_JOBID= 4697326

Free space on /tmp= 66506 MiB

SOLVER NAME= DEWSATZ 2007-04-26 (fixed)
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/3SAT/v400/unif-k3-r4.26-v400-c1704-S2048803580-17.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/427534-1177656296/dewSatz_fixed /tmp/evaluation/427534-1177656296/instance-427534-1177656296.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node52/watcher-427534-1177656296 -o ROOT/results/node52/solver-427534-1177656296 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/427534-1177656296/dewSatz_fixed /tmp/evaluation/427534-1177656296/instance-427534-1177656296.cnf

META MD5SUM SOLVER= 7386eb54c3fac2d8e6ad9191fdd25a76
MD5SUM BENCH=  fd7d232d07ea82b35604ae65ebcd0d41

RANDOM SEED= 57181667

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node52.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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:       1628268 kB
Buffers:         37420 kB
Cached:         314252 kB
SwapCached:       3968 kB
Active:         191024 kB
Inactive:       170572 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1628268 kB
SwapTotal:     4192956 kB
SwapFree:      4182996 kB
Dirty:            1400 kB
Writeback:           0 kB
Mapped:          15888 kB
Slab:            52120 kB
Committed_AS:  1857012 kB
PageTables:       1484 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= 66506 MiB

End job on node52 on Fri Apr 27 06:44:57 UTC 2007