Trace number 1725614

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
clasp 1.2.0-SAT09-32SAT 1.9767 1.97838

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.72974
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

Solver Data 

1.89/1.97	c clasp version 1.2.0-SAT09 
1.89/1.97	c Reading from ...705757/instance-1725614-1240705757.cnf
1.89/1.97	c Reading      : Done(0.010s)
1.89/1.97	c Preprocessing: |-\|Done(0.100s)
1.89/1.97	c Solving...
1.89/1.97	c Model: 1
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1.89/1.97	v 1941 1942 1943 1944 -1945 -1946 1947 -1948 1949 1950
1.89/1.97	v -1951 1952 1953 -1954 -1955 1956 1957 -1958 1959 1960
1.89/1.97	v -1961 -1962 -1963 -1964 -1965 -1966 -1967 -1968 1969 -1970
1.89/1.97	v 1971 -1972 1973 1974 1975 1976 -1977 1978 1979 -1980
1.89/1.97	v 1981 1982 -1983 1984 -1985 -1986 1987 -1988 -1989 1990
1.89/1.97	v -1991 -1992 -1993 1994 1995 1996 1997 1998 1999 -2000
1.89/1.97	v 2001 2002 -2003 -2004 -2005 -2006 -2007 -2008 2009 -2010
1.89/1.97	v -2011 -2012 -2013 -2014 2015 -2016 2017 2018 -2019 -2020
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1.89/1.97	v -2151 -2152 -2153 -2154 -2155 -2156 2157 -2158 2159 -2160
1.89/1.97	v -2161 2162 -2163 -2164 2165 -2166 2167 2168 2169 2170
1.89/1.97	v 2171 2172 -2173 -2174 -2175 -2176 -2177 -2178 -2179 -2180
1.89/1.97	v -2181 2182 2183 -2184 2185 -2186 -2187 2188 -2189 -2190
1.89/1.97	v 2191 -2192 -2193 -2194 -2195 2196 2197 2198 2199 -2200
1.89/1.97	v 2201 2202 2203 -2204 -2205 2206 -2207 -2208 2209 -2210
1.89/1.97	v 2211 -2212 -2213 -2214 -2215 -2216 -2217 2218 -2219 -2220
1.89/1.97	v -2221 -2222 -2223 -2224 -2225 2226 -2227 2228 -2229 -2230
1.89/1.97	v 2231 -2232 -2233 -2234 2235 2236 2237 -2238 2239 -2240
1.89/1.97	v -2241 -2242 -2243 2244 2245 2246 2247 2248 2249 2250
1.89/1.97	v 2251 -2252 2253 -2254 -2255 -2256 2257 -2258 2259 2260
1.89/1.97	v -2261 -2262 2263 -2264 -2265 -2266 2267 -2268 -2269 2270
1.89/1.97	v -2271 -2272 2273 2274 -2275 -2276 -2277 2278 -2279 2280
1.89/1.97	v 2281 2282 -2283 2284 -2285 -2286 -2287 -2288 -2289 2290
1.89/1.97	v 2291 2292 2293 -2294 -2295 2296 -2297 -2298 -2299 -2300
1.89/1.97	v -2301 2302 -2303 -2304 2305 -2306 2307 2308 -2309 2310
1.89/1.97	v 2311 -2312 -2313 -2314 2315 2316 -2317 -2318 -2319 -2320
1.89/1.97	v 2321 2322 2323 -2324 -2325 -2326 -2327 -2328 -2329 2330
1.89/1.97	v -2331 -2332 -2333 -2334 -2335 2336 2337 -2338 -2339 -2340
1.89/1.97	v 2341 -2342 -2343 2344 2345 -2346 -2347 -2348 2349 -2350
1.89/1.97	v -2351 -2352 2353 -2354 -2355 -2356 2357 2358 -2359 -2360
1.89/1.97	v -2361 -2362 -2363 2364 2365 2366 -2367 -2368 -2369 2370
1.89/1.97	v 2371 2372 -2373 -2374 2375 -2376 -2377 -2378 -2379 -2380
1.89/1.97	v -2381 2382 -2383 2384 -2385 2386 2387 -2388 -2389 2390
1.89/1.97	v 2391 -2392 -2393 2394 -2395 2396 -2397 -2398 2399 2400
1.89/1.97	v 2401 2402 2403 -2404 -2405 -2406 -2407 -2408 -2409 2410
1.89/1.97	v -2411 -2412 2413 -2414 -2415 2416 2417 -2418 2419 2420
1.89/1.97	v -2421 2422 -2423 2424 -2425 -2426 2427 -2428 -2429 -2430
1.89/1.97	v 2431 -2432 -2433 -2434 -2435 0 
1.89/1.97	
1.89/1.97	c Models    : 1+    
1.89/1.97	c Time         : 1.960s (Solve: 1.850s)
1.89/1.97	s SATISFIABLE

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-1725614-1240705757/watcher-1725614-1240705757 -o /tmp/evaluation-result-1725614-1240705757/solver-1725614-1240705757 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/clasp --file=HOME/instance-1725614-1240705757.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512 

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: 0.91 0.95 0.98 3/65 26389
/proc/meminfo: memFree=1832400/2055920 swapFree=4188716/4192956
[pid=26389] ppid=26387 vsize=1984 CPUtime=0
/proc/26389/stat : 26389 (clasp) R 26387 26389 25921 0 -1 4194304 269 0 0 0 0 0 0 0 20 0 1 0 98609407 2031616 253 1992294400 134512640 136057169 4294956144 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26389/statm: 496 253 147 377 0 116 0

[startup+0.10539 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 26389
/proc/meminfo: memFree=1832400/2055920 swapFree=4188716/4192956
[pid=26389] ppid=26387 vsize=3592 CPUtime=0.1
/proc/26389/stat : 26389 (clasp) R 26387 26389 25921 0 -1 4194304 691 0 0 0 10 0 0 0 21 0 1 0 98609407 3678208 657 1992294400 134512640 136057169 4294956144 18446744073709551615 135480624 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26389/statm: 898 657 170 377 0 518 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3592

[startup+0.202398 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 26389
/proc/meminfo: memFree=1832400/2055920 swapFree=4188716/4192956
[pid=26389] ppid=26387 vsize=3724 CPUtime=0.19
/proc/26389/stat : 26389 (clasp) R 26387 26389 25921 0 -1 4194304 751 0 0 0 19 0 0 0 22 0 1 0 98609407 3813376 717 1992294400 134512640 136057169 4294956144 18446744073709551615 134756785 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26389/statm: 931 717 183 377 0 551 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 3724

[startup+0.302406 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 26389
/proc/meminfo: memFree=1832400/2055920 swapFree=4188716/4192956
[pid=26389] ppid=26387 vsize=3724 CPUtime=0.29
/proc/26389/stat : 26389 (clasp) R 26387 26389 25921 0 -1 4194304 751 0 0 0 29 0 0 0 22 0 1 0 98609407 3813376 717 1992294400 134512640 136057169 4294956144 18446744073709551615 134829419 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26389/statm: 931 717 183 377 0 551 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3724

[startup+0.701485 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 26389
/proc/meminfo: memFree=1832400/2055920 swapFree=4188716/4192956
[pid=26389] ppid=26387 vsize=3856 CPUtime=0.69
/proc/26389/stat : 26389 (clasp) R 26387 26389 25921 0 -1 4194304 791 0 0 0 69 0 0 0 25 0 1 0 98609407 3948544 757 1992294400 134512640 136057169 4294956144 18446744073709551615 134618270 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26389/statm: 964 757 183 377 0 584 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3856

[startup+1.50152 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 26390
/proc/meminfo: memFree=1829832/2055920 swapFree=4188716/4192956
[pid=26389] ppid=26387 vsize=4252 CPUtime=1.49
/proc/26389/stat : 26389 (clasp) R 26387 26389 25921 0 -1 4194304 876 0 0 0 149 0 0 0 25 0 1 0 98609407 4354048 842 1992294400 134512640 136057169 4294956144 18446744073709551615 134618265 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26389/statm: 1063 842 183 377 0 683 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4252

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

[startup+1.60153 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 26390
/proc/meminfo: memFree=1829832/2055920 swapFree=4188716/4192956
[pid=26389] ppid=26387 vsize=4252 CPUtime=1.59
/proc/26389/stat : 26389 (clasp) R 26387 26389 25921 0 -1 4194304 876 0 0 0 159 0 0 0 25 0 1 0 98609407 4354048 842 1992294400 134512640 136057169 4294956144 18446744073709551615 134823846 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26389/statm: 1063 842 183 377 0 683 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 4252

[startup+1.80155 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 26390
/proc/meminfo: memFree=1829832/2055920 swapFree=4188716/4192956
[pid=26389] ppid=26387 vsize=4252 CPUtime=1.79
/proc/26389/stat : 26389 (clasp) R 26387 26389 25921 0 -1 4194304 894 0 0 0 179 0 0 0 25 0 1 0 98609407 4354048 860 1992294400 134512640 136057169 4294956144 18446744073709551615 134651702 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26389/statm: 1063 860 183 377 0 683 0
Current children cumulated CPU time (s) 1.79
Current children cumulated vsize (KiB) 4252

[startup+1.90156 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 26390
/proc/meminfo: memFree=1829832/2055920 swapFree=4188716/4192956
[pid=26389] ppid=26387 vsize=4252 CPUtime=1.89
/proc/26389/stat : 26389 (clasp) R 26387 26389 25921 0 -1 4194304 894 0 0 0 189 0 0 0 25 0 1 0 98609407 4354048 860 1992294400 134512640 136057169 4294956144 18446744073709551615 134825006 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26389/statm: 1063 860 183 377 0 683 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 4252

Child status: 10
Real time (s): 1.97838
CPU time (s): 1.9767
CPU user time (s): 1.9727
CPU system time (s): 0.003999
CPU usage (%): 99.915
Max. virtual memory (cumulated for all children) (KiB): 4252

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.9727
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 908
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= 9
involuntary context switches= 6

runsolver used 0.005999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node8 at 2009-04-26 02:29:17
IDJOB=1725614
IDBENCH=24594
IDSOLVER=508
FILE ID=node8/1725614-1240705757
PBS_JOBID= 9186756
Free space on /tmp= 65880 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= HOME/clasp --file=BENCHNAME --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725614-1240705757/watcher-1725614-1240705757 -o /tmp/evaluation-result-1725614-1240705757/solver-1725614-1240705757 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/clasp --file=HOME/instance-1725614-1240705757.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512

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

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=531643584

node8.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		: 3000.238
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		: 3000.238
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1832816 kB
Buffers:         17716 kB
Cached:         142696 kB
SwapCached:       1768 kB
Active:          91412 kB
Inactive:        81440 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1832816 kB
SwapTotal:     4192956 kB
SwapFree:      4188716 kB
Dirty:            2432 kB
Writeback:           0 kB
Mapped:          21044 kB
Slab:            36060 kB
Committed_AS:   493824 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 65876 MiB
End job on node8 at 2009-04-26 02:29:19