Trace number 1561683

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 14.8357 14.911

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark14.8357
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data 

14.71/14.89	c clasp version 1.2.0-SAT09 
14.71/14.89	c Reading from ...768196/instance-1561683-1238768196.cnf
14.71/14.89	c Reading      : Done(0.020s)
14.71/14.89	c Preprocessing: |-\Done(0.100s)
14.71/14.89	c Solving...
14.71/14.89	c Model: 1
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14.71/14.90	v -1981 -1982 -1983 1984 -1985 -1986 1987 -1988 -1989 -1990
14.81/14.90	v -1991 -1992 1993 -1994 1995 -1996 -1997 -1998 -1999 -2000
14.81/14.90	v 2001 -2002 -2003 -2004 2005 -2006 -2007 -2008 -2009 -2010
14.81/14.90	v -2011 2012 -2013 2014 -2015 -2016 -2017 -2018 -2019 -2020
14.81/14.90	v -2021 -2022 2023 -2024 -2025 2026 -2027 -2028 2029 -2030
14.81/14.90	v -2031 -2032 -2033 -2034 2035 -2036 -2037 -2038 2039 -2040
14.81/14.90	v -2041 -2042 2043 -2044 -2045 -2046 -2047 -2048 -2049 -2050
14.81/14.90	v -2051 2052 -2053 -2054 -2055 2056 -2057 -2058 -2059 -2060
14.81/14.90	v 2061 -2062 -2063 -2064 -2065 2066 -2067 -2068 -2069 -2070
14.81/14.90	v 2071 2072 -2073 -2074 -2075 -2076 -2077 -2078 -2079 2080
14.81/14.90	v -2081 2082 -2083 -2084 -2085 -2086 -2087 -2088 -2089 -2090
14.81/14.90	v 2091 -2092 -2093 -2094 -2095 2096 2097 -2098 -2099 -2100
14.81/14.90	v -2101 -2102 2103 -2104 -2105 -2106 2107 -2108 -2109 -2110
14.81/14.90	v 2111 -2112 -2113 -2114 -2115 -2116 -2117 -2118 -2119 2120
14.81/14.90	v 2121 -2122 -2123 -2124 -2125 2126 -2127 -2128 -2129 -2130
14.81/14.90	v -2131 -2132 2133 -2134 -2135 -2136 -2137 2138 -2139 -2140
14.81/14.90	v -2141 2142 -2143 -2144 -2145 2146 -2147 -2148 -2149 -2150
14.81/14.90	v -2151 -2152 -2153 2154 2155 -2156 -2157 -2158 -2159 2160
14.81/14.90	v -2161 -2162 -2163 -2164 2165 -2166 -2167 -2168 -2169 -2170
14.81/14.90	v -2171 2172 -2173 -2174 -2175 -2176 -2177 2178 -2179 -2180
14.81/14.90	v -2181 -2182 2183 2184 -2185 -2186 -2187 -2188 2189 -2190
14.81/14.90	v -2191 -2192 -2193 -2194 2195 -2196 -2197 -2198 -2199 -2200
14.81/14.90	v 2201 -2202 -2203 -2204 -2205 2206 -2207 -2208 -2209 -2210
14.81/14.90	v 2211 -2212 -2213 -2214 2215 -2216 -2217 -2218 -2219 -2220
14.81/14.90	v 2221 -2222 2223 -2224 -2225 -2226 -2227 -2228 -2229 2230
14.81/14.90	v -2231 -2232 -2233 2234 -2235 -2236 -2237 -2238 -2239 2240
14.81/14.90	v -2241 -2242 2243 -2244 -2245 -2246 -2247 -2248 -2249 2250
14.81/14.90	v -2251 2252 -2253 -2254 -2255 -2256 2257 -2258 -2259 -2260
14.81/14.90	v -2261 -2262 -2263 -2264 -2265 2266 -2267 -2268 -2269 -2270
14.81/14.90	v 2271 2272 -2273 -2274 -2275 -2276 -2277 2278 -2279 -2280
14.81/14.90	v -2281 -2282 -2283 2284 -2285 -2286 2287 -2288 -2289 -2290
14.81/14.90	v -2291 2292 -2293 -2294 -2295 -2296 -2297 2298 -2299 -2300
14.81/14.90	v -2301 2302 -2303 -2304 -2305 -2306 -2307 2308 -2309 -2310
14.81/14.90	v -2311 -2312 -2313 2314 -2315 -2316 -2317 2318 -2319 2320
14.81/14.90	v -2321 -2322 -2323 -2324 2325 -2326 -2327 -2328 -2329 -2330
14.81/14.90	v -2331 -2332 2333 -2334 -2335 2336 -2337 -2338 -2339 -2340
14.81/14.90	v -2341 -2342 -2343 2344 -2345 -2346 -2347 -2348 2349 2350
14.81/14.90	v -2351 -2352 -2353 -2354 -2355 2356 -2357 -2358 2359 -2360
14.81/14.90	v -2361 -2362 -2363 2364 -2365 -2366 -2367 -2368 -2369 -2370
14.81/14.90	v -2371 2372 -2373 -2374 2375 -2376 -2377 -2378 -2379 2380
14.81/14.90	v -2381 -2382 -2383 2384 -2385 -2386 -2387 -2388 -2389 -2390
14.81/14.90	v 2391 -2392 -2393 -2394 2395 -2396 -2397 2398 -2399 -2400
14.81/14.90	v 2401 -2402 -2403 -2404 -2405 2406 -2407 -2408 2409 -2410
14.81/14.90	v -2411 -2412 -2413 2414 -2415 -2416 -2417 -2418 2419 -2420 0 
14.81/14.91	
14.81/14.91	c Models    : 1+    
14.81/14.91	c Time         : 14.820s (Solve: 14.700s)
14.81/14.91	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-1561683-1238768196/watcher-1561683-1238768196 -o /tmp/evaluation-result-1561683-1238768196/solver-1561683-1238768196 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/clasp --file=HOME/instance-1561683-1238768196.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: 1.00 1.07 1.05 3/64 32358
/proc/meminfo: memFree=1736720/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=2124 CPUtime=0
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 276 0 0 0 0 0 0 0 18 0 1 0 1149485291 2174976 260 1992294400 134512640 136057169 4294956144 18446744073709551615 135502702 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 531 260 144 377 0 151 0

[startup+0.0516189 s]
/proc/loadavg: 1.00 1.07 1.05 3/64 32358
/proc/meminfo: memFree=1736720/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=4744 CPUtime=0.04
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 1022 0 0 0 4 0 0 0 18 0 1 0 1149485291 4857856 948 1992294400 134512640 136057169 4294956144 18446744073709551615 134774782 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 1186 948 166 377 0 806 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4744

[startup+0.101623 s]
/proc/loadavg: 1.00 1.07 1.05 3/64 32358
/proc/meminfo: memFree=1736720/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=4744 CPUtime=0.09
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 1024 0 0 0 9 0 0 0 18 0 1 0 1149485291 4857856 950 1992294400 134512640 136057169 4294956144 18446744073709551615 134782071 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 1186 950 168 377 0 806 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4744

[startup+0.301647 s]
/proc/loadavg: 1.00 1.07 1.05 3/64 32358
/proc/meminfo: memFree=1736720/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=4256 CPUtime=0.29
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 1041 0 0 0 29 0 0 0 19 0 1 0 1149485291 4358144 865 1992294400 134512640 136057169 4294956144 18446744073709551615 134823889 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 1064 865 183 377 0 684 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4256

[startup+0.701693 s]
/proc/loadavg: 1.00 1.07 1.05 3/64 32358
/proc/meminfo: memFree=1736720/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=4388 CPUtime=0.69
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 1044 0 0 0 69 0 0 0 22 0 1 0 1149485291 4493312 868 1992294400 134512640 136057169 4294956144 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 1097 868 183 377 0 717 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4388

[startup+1.50179 s]
/proc/loadavg: 1.00 1.07 1.05 2/65 32359
/proc/meminfo: memFree=1733384/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=6388 CPUtime=1.49
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 1540 0 0 0 149 0 0 0 25 0 1 0 1149485291 6541312 1364 1992294400 134512640 136057169 4294956144 18446744073709551615 135443063 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 1597 1364 183 377 0 1217 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6388

[startup+3.10298 s]
/proc/loadavg: 1.00 1.07 1.05 2/65 32359
/proc/meminfo: memFree=1730888/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=7380 CPUtime=3.09
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 1783 0 0 0 308 1 0 0 25 0 1 0 1149485291 7557120 1607 1992294400 134512640 136057169 4294956144 18446744073709551615 134823873 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 1845 1607 183 377 0 1465 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7380

[startup+6.30135 s]
/proc/loadavg: 1.00 1.06 1.05 2/65 32359
/proc/meminfo: memFree=1729352/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=9360 CPUtime=6.22
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 2294 0 0 0 621 1 0 0 25 0 1 0 1149485291 9584640 2118 1992294400 134512640 136057169 4294956144 18446744073709551615 134823938 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 2340 2118 183 377 0 1960 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 9360

[startup+12.7011 s]
/proc/loadavg: 1.00 1.06 1.05 2/65 32359
/proc/meminfo: memFree=1725832/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=12132 CPUtime=12.61
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 2999 0 0 0 1260 1 0 0 25 0 1 0 1149485291 12423168 2823 1992294400 134512640 136057169 4294956144 18446744073709551615 134618259 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 3033 2823 183 377 0 2653 0
Current children cumulated CPU time (s) 12.61
Current children cumulated vsize (KiB) 12132

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

[startup+14.3053 s]
/proc/loadavg: 1.00 1.06 1.05 2/65 32359
/proc/meminfo: memFree=1725832/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=12132 CPUtime=14.22
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 2999 0 0 0 1421 1 0 0 25 0 1 0 1149485291 12423168 2823 1992294400 134512640 136057169 4294956144 18446744073709551615 134823846 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 3033 2823 183 377 0 2653 0
Current children cumulated CPU time (s) 14.22
Current children cumulated vsize (KiB) 12132

[startup+14.7013 s]
/proc/loadavg: 1.00 1.06 1.05 2/65 32359
/proc/meminfo: memFree=1725832/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=12132 CPUtime=14.61
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 2999 0 0 0 1460 1 0 0 25 0 1 0 1149485291 12423168 2823 1992294400 134512640 136057169 4294956144 18446744073709551615 134828277 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 3033 2823 183 377 0 2653 0
Current children cumulated CPU time (s) 14.61
Current children cumulated vsize (KiB) 12132

[startup+14.9014 s]
/proc/loadavg: 1.00 1.06 1.05 2/65 32359
/proc/meminfo: memFree=1725832/2055920 swapFree=4175700/4192956
[pid=32358] ppid=32356 vsize=12132 CPUtime=14.81
/proc/32358/stat : 32358 (clasp) R 32356 32358 32218 0 -1 4194304 3002 0 0 0 1480 1 0 0 16 0 1 0 1149485291 12423168 2826 1992294400 134512640 136057169 4294956144 18446744073709551615 135580459 0 0 4096 16386 0 0 0 17 1 0 0
/proc/32358/statm: 3033 2826 186 377 0 2653 0
Current children cumulated CPU time (s) 14.81
Current children cumulated vsize (KiB) 12132

Child status: 10
Real time (s): 14.911
CPU time (s): 14.8357
CPU user time (s): 14.8137
CPU system time (s): 0.021996
CPU usage (%): 99.4956
Max. virtual memory (cumulated for all children) (KiB): 12132

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 14.8137
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3003
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= 10
involuntary context switches= 24

runsolver used 0.013997 second user time and 0.043993 second system time

The end

Launcher Data 

Begin job on node28 at 2009-04-03 16:16:36
IDJOB=1561683
IDBENCH=70920
IDSOLVER=508
FILE ID=node28/1561683-1238768196
PBS_JOBID= 9085524
Free space on /tmp= 66356 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_8_4_5_exp.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-1561683-1238768196/watcher-1561683-1238768196 -o /tmp/evaluation-result-1561683-1238768196/solver-1561683-1238768196 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/clasp --file=HOME/instance-1561683-1238768196.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= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=409743662

node28.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		: 3000.212
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		: 3000.212
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:       1737136 kB
Buffers:         24972 kB
Cached:         151348 kB
SwapCached:      10476 kB
Active:          86656 kB
Inactive:       171452 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1737136 kB
SwapTotal:     4192956 kB
SwapFree:      4175700 kB
Dirty:            2640 kB
Writeback:           0 kB
Mapped:          17940 kB
Slab:            46416 kB
Committed_AS:  3158368 kB
PageTables:       1428 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= 66352 MiB
End job on node28 at 2009-04-03 16:16:51