Trace number 3162410

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
sparrow2011 sparrow2011_ubcsat1.2_2011-03-02SAT 0.086986 0.086781

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
MD5SUMcfefee970fb9a956a9dde1bcb9deab97
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.086986
Satisfiable
(Un)Satisfiability was proved
Number of variables2500
Number of clauses10500
Sum of the clauses size31500
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 310500
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.08	c 
0.00/0.08	c UBCSAT version 1.2-sparrow2011 (based on BETA 1.2-b10) SAT11 Sparrow Build
0.00/0.08	c 
0.00/0.08	c http://www.satlib.org/ubcsat
0.00/0.08	c 
0.00/0.08	c ubcsat -h for help
0.00/0.08	c 
0.00/0.08	s SATISFIABLE
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0.00/0.08	v  41 42 -43 -44 -45 -46 47 -48 -49 50
0.00/0.08	v  51 52 -53 -54 55 56 -57 58 -59 -60
0.00/0.08	v  61 -62 -63 -64 -65 -66 67 68 69 -70
0.00/0.08	v  -71 72 -73 -74 -75 76 77 -78 -79 80
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0.00/0.08	v  1521 1522 1523 1524 1525 -1526 -1527 1528 1529 1530
0.00/0.08	v  1531 1532 1533 1534 1535 1536 1537 -1538 1539 1540
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0.00/0.08	v  1601 1602 1603 -1604 -1605 -1606 1607 -1608 1609 1610
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0.00/0.08	v  1621 1622 1623 -1624 1625 1626 -1627 -1628 1629 1630
0.00/0.08	v  1631 1632 1633 1634 1635 -1636 1637 1638 -1639 1640
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0.00/0.08	v  1931 -1932 -1933 1934 1935 1936 -1937 1938 1939 -1940
0.00/0.08	v  -1941 -1942 -1943 -1944 -1945 1946 1947 -1948 1949 1950
0.00/0.08	v  -1951 1952 -1953 1954 1955 -1956 -1957 -1958 1959 -1960
0.00/0.08	v  1961 1962 1963 -1964 1965 1966 1967 1968 -1969 -1970
0.00/0.08	v  1971 -1972 -1973 -1974 -1975 -1976 -1977 1978 1979 1980
0.00/0.08	v  -1981 1982 -1983 1984 1985 1986 1987 -1988 1989 -1990
0.00/0.08	v  -1991 1992 -1993 -1994 1995 -1996 1997 1998 -1999 2000
0.00/0.08	v  2001 -2002 2003 2004 2005 2006 2007 -2008 2009 2010
0.00/0.08	v  2011 2012 2013 2014 2015 -2016 -2017 2018 2019 2020
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0.00/0.08	v  2171 -2172 -2173 2174 -2175 2176 2177 2178 2179 -2180
0.00/0.08	v  -2181 2182 2183 -2184 -2185 2186 2187 2188 -2189 -2190
0.00/0.08	v  -2191 -2192 -2193 2194 2195 -2196 2197 2198 -2199 -2200
0.00/0.08	v  2201 2202 2203 2204 -2205 2206 2207 2208 2209 2210
0.00/0.08	v  2211 -2212 2213 2214 -2215 2216 2217 2218 2219 2220
0.00/0.08	v  -2221 -2222 2223 -2224 -2225 -2226 2227 -2228 2229 2230
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0.00/0.08	v  2241 -2242 2243 2244 -2245 2246 -2247 2248 -2249 2250
0.00/0.08	v  2251 2252 -2253 2254 -2255 -2256 -2257 2258 -2259 -2260
0.00/0.08	v  -2261 -2262 2263 -2264 2265 -2266 -2267 2268 -2269 2270
0.00/0.08	v  -2271 2272 -2273 2274 2275 2276 -2277 -2278 -2279 -2280
0.00/0.08	v  2281 -2282 2283 -2284 2285 2286 -2287 -2288 -2289 -2290
0.00/0.08	v  -2291 2292 2293 2294 -2295 2296 -2297 -2298 2299 -2300
0.00/0.08	v  2301 -2302 2303 2304 2305 2306 -2307 -2308 2309 2310
0.00/0.08	v  -2311 2312 2313 2314 -2315 2316 2317 -2318 -2319 2320
0.00/0.08	v  -2321 2322 2323 -2324 -2325 2326 2327 -2328 -2329 -2330
0.00/0.08	v  2331 -2332 -2333 -2334 -2335 2336 2337 -2338 2339 2340
0.00/0.08	v  2341 -2342 2343 2344 2345 -2346 2347 2348 -2349 2350
0.00/0.08	v  -2351 2352 2353 2354 2355 -2356 -2357 2358 -2359 -2360
0.00/0.08	v  2361 2362 -2363 -2364 2365 -2366 2367 -2368 -2369 -2370
0.00/0.08	v  2371 2372 2373 2374 -2375 2376 -2377 -2378 2379 2380
0.00/0.08	v  -2381 2382 -2383 2384 2385 -2386 -2387 2388 2389 2390
0.00/0.08	v  -2391 -2392 2393 2394 -2395 2396 2397 2398 -2399 -2400
0.00/0.08	v  2401 -2402 -2403 -2404 -2405 2406 2407 2408 -2409 -2410
0.00/0.08	v  -2411 2412 -2413 -2414 -2415 2416 -2417 -2418 2419 -2420
0.00/0.08	v  2421 -2422 -2423 -2424 -2425 2426 -2427 -2428 2429 -2430
0.00/0.08	v  -2431 -2432 2433 2434 -2435 -2436 -2437 -2438 2439 2440
0.00/0.08	v  2441 2442 2443 2444 -2445 -2446 2447 -2448 -2449 -2450
0.00/0.08	v  2451 -2452 2453 -2454 -2455 2456 -2457 -2458 2459 -2460
0.00/0.08	v  -2461 -2462 -2463 -2464 -2465 -2466 -2467 -2468 2469 -2470
0.00/0.08	v  2471 -2472 -2473 -2474 -2475 -2476 2477 -2478 -2479 -2480
0.00/0.08	v  2481 -2482 -2483 2484 -2485 2486 -2487 2488 2489 2490
0.00/0.08	v  -2491 -2492 2493 -2494 2495 2496 2497 -2498 -2499 2500
0.00/0.08	v  0
0.00/0.08	c SearchSteps = 118784
0.00/0.08	c SolveTime = 0.08

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 893)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3162410-1301698322/watcher-3162410-1301698322 -o /tmp/evaluation-result-3162410-1301698322/solver-3162410-1301698322 -C 2400 -W 1300 -M 7680 sparrow2011 HOME/instance-3162410-1301698322.cnf 334332593 

running on 2 cores: 5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 3.45 3.86 3.79 3/184 12033
/proc/meminfo: memFree=21702668/32951124 swapFree=67111528/67111528
[pid=12033] ppid=12031 vsize=12232 CPUtime=0 cores=5,7
/proc/12033/stat : 12033 (sparrow2011) R 12031 12033 11983 0 -1 4202496 399 0 0 0 0 0 0 0 25 0 1 0 262248459 12525568 338 33554432000 4194304 4568220 140735504194096 18446744073709551615 4464883 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/12033/statm: 3058 338 147 92 0 1442 0

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

Child status: 10
Real time (s): 0.086781
CPU time (s): 0.086986
CPU user time (s): 0.084987
CPU system time (s): 0.001999
CPU usage (%): 100.236
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.084987
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= 637
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 0.001999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node146 at 2011-04-02 00:52:02
IDJOB=3162410
IDBENCH=82641
IDSOLVER=1573
FILE ID=node146/3162410-1301698322
RUNJOBID= node146-1301698322-12004
PBS_JOBID= 12840742
Free space on /tmp= 71980 MiB

SOLVER NAME= sparrow2011 sparrow2011_ubcsat1.2_2011-03-02
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
COMMAND LINE= sparrow2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3162410-1301698322/watcher-3162410-1301698322 -o /tmp/evaluation-result-3162410-1301698322/solver-3162410-1301698322 -C 2400 -W 1300 -M 7680  sparrow2011 HOME/instance-3162410-1301698322.cnf 334332593

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= cfefee970fb9a956a9dde1bcb9deab97
RANDOM SEED=334332593

node146.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.66
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.86
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      21703072 kB
Buffers:        338768 kB
Cached:       10590552 kB
SwapCached:          0 kB
Active:        7158992 kB
Inactive:      3835648 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      21703072 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            2872 kB
Writeback:           0 kB
AnonPages:       64884 kB
Mapped:          14720 kB
Slab:           189412 kB
PageTables:       4632 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   238036 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 71980 MiB
End job on node146 at 2011-04-02 00:52:02