Trace number 3209970

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
SAT09 reference solver: SATzilla2009_R 2009-03-22SAT 0.805876 0.806002

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 benchmark0.072988
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 

0.00/0.80	c SATzilla is building models for class 1
0.00/0.80	c run presolver SATenstein for 30 seconds ... 
0.00/0.80	c Bin: Executing SATenstein
0.00/0.80	c spawning binary file with 30 seconds ...
0.00/0.80	c child exited successfully
0.00/0.80	c SATenstein returned code 10.
0.00/0.80	s SATISFIABLE
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0.00/0.80	v  -2151 2152 -2153 2154 -2155 2156 2157 2158 2159 -2160
0.00/0.80	v  -2161 2162 -2163 -2164 2165 -2166 2167 -2168 -2169 2170
0.00/0.80	v  2171 -2172 -2173 2174 2175 2176 2177 2178 2179 -2180
0.00/0.80	v  2181 -2182 -2183 -2184 -2185 -2186 2187 -2188 -2189 -2190
0.00/0.80	v  -2191 2192 -2193 2194 2195 2196 -2197 2198 2199 -2200
0.00/0.80	v  2201 2202 2203 2204 -2205 2206 2207 -2208 2209 2210
0.00/0.80	v  2211 2212 -2213 -2214 -2215 2216 2217 2218 2219 -2220
0.00/0.80	v  -2221 -2222 2223 -2224 -2225 -2226 2227 2228 2229 2230
0.00/0.80	v  2231 2232 2233 -2234 2235 2236 -2237 2238 2239 2240
0.00/0.80	v  2241 2242 2243 2244 2245 2246 -2247 2248 2249 2250
0.00/0.80	v  2251 2252 -2253 2254 -2255 -2256 -2257 2258 -2259 -2260
0.00/0.80	v  2261 2262 2263 2264 2265 2266 -2267 -2268 2269 2270
0.00/0.80	v  -2271 -2272 -2273 -2274 2275 -2276 -2277 2278 2279 -2280
0.00/0.80	v  2281 -2282 2283 -2284 2285 -2286 -2287 -2288 -2289 -2290
0.00/0.80	v  -2291 -2292 2293 -2294 2295 2296 -2297 -2298 -2299 2300
0.00/0.80	v  2301 -2302 2303 2304 2305 2306 2307 2308 2309 -2310
0.00/0.80	v  -2311 -2312 2313 2314 -2315 2316 2317 -2318 -2319 -2320
0.00/0.80	v  2321 -2322 2323 2324 2325 -2326 2327 2328 2329 -2330
0.00/0.80	v  -2331 2332 -2333 -2334 -2335 -2336 2337 -2338 -2339 -2340
0.00/0.80	v  2341 2342 -2343 2344 -2345 -2346 -2347 2348 -2349 -2350
0.00/0.80	v  -2351 2352 2353 2354 2355 2356 -2357 2358 -2359 2360
0.00/0.80	v  -2361 -2362 2363 -2364 2365 2366 2367 -2368 -2369 2370
0.00/0.80	v  -2371 -2372 2373 -2374 -2375 -2376 -2377 2378 2379 -2380
0.00/0.80	v  -2381 2382 -2383 -2384 2385 -2386 2387 2388 -2389 -2390
0.00/0.80	v  2391 -2392 2393 -2394 -2395 2396 -2397 2398 2399 -2400
0.00/0.80	v  2401 -2402 -2403 -2404 -2405 2406 2407 2408 -2409 2410
0.00/0.80	v  -2411 2412 -2413 -2414 -2415 -2416 -2417 2418 2419 -2420
0.00/0.80	v  -2421 2422 -2423 2424 2425 2426 -2427 -2428 2429 -2430
0.00/0.80	v  -2431 -2432 -2433 -2434 2435 2436 2437 2438 2439 2440
0.00/0.80	v  -2441 2442 2443 2444 -2445 -2446 2447 -2448 -2449 -2450
0.00/0.80	v  2451 -2452 2453 -2454 -2455 2456 -2457 -2458 2459 -2460
0.00/0.80	v  -2461 2462 -2463 2464 -2465 -2466 2467 -2468 2469 -2470
0.00/0.80	v  -2471 -2472 -2473 -2474 2475 -2476 2477 2478 -2479 -2480
0.00/0.80	v  2481 -2482 -2483 2484 -2485 2486 2487 2488 -2489 2490
0.00/0.80	v  2491 -2492 2493 -2494 2495 -2496 -2497 -2498 -2499 -2500
0.00/0.80	v  0
0.00/0.80	c SATZILLA_TIME=0.800000

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

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-3209970-1303136964/watcher-3209970-1303136964 -o /tmp/evaluation-result-3209970-1303136964/solver-3209970-1303136964 -C 5000 -W 5000 -M 15500 HOME/SATzilla2009_R HOME/instance-3209970-1303136964.cnf 

running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 1.00 1.26 2/172 7858
/proc/meminfo: memFree=16908348/32951124 swapFree=67111524/67111528
[pid=7858] ppid=7856 vsize=2136 CPUtime=0 cores=0,2,4,6
/proc/7858/stat : 7858 (SATzilla2009_R) S 7856 7858 7824 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 425294343 2187264 114 33554432000 134512640 136149437 4293397840 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 4 0 0 0
/proc/7858/statm: 534 114 97 400 0 131 0

[startup+0.00871596 s]
/proc/loadavg: 0.92 1.00 1.26 2/172 7858
/proc/meminfo: memFree=16908348/32951124 swapFree=67111524/67111528
[pid=7858] ppid=7856 vsize=2136 CPUtime=0 cores=0,2,4,6
/proc/7858/stat : 7858 (SATzilla2009_R) S 7856 7858 7824 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 425294343 2187264 114 33554432000 134512640 136149437 4293397840 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 4 0 0 0
/proc/7858/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

[startup+0.100738 s]
/proc/loadavg: 0.92 1.00 1.26 2/172 7858
/proc/meminfo: memFree=16908348/32951124 swapFree=67111524/67111528
[pid=7858] ppid=7856 vsize=2136 CPUtime=0 cores=0,2,4,6
/proc/7858/stat : 7858 (SATzilla2009_R) S 7856 7858 7824 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 425294343 2187264 114 33554432000 134512640 136149437 4293397840 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 4 0 0 0
/proc/7858/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

[startup+0.300697 s]
/proc/loadavg: 0.92 1.00 1.26 2/172 7858
/proc/meminfo: memFree=16908348/32951124 swapFree=67111524/67111528
[pid=7858] ppid=7856 vsize=2136 CPUtime=0 cores=0,2,4,6
/proc/7858/stat : 7858 (SATzilla2009_R) S 7856 7858 7824 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 425294343 2187264 114 33554432000 134512640 136149437 4293397840 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 4 0 0 0
/proc/7858/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

[startup+0.700636 s]
/proc/loadavg: 0.92 1.00 1.26 2/172 7858
/proc/meminfo: memFree=16908348/32951124 swapFree=67111524/67111528
[pid=7858] ppid=7856 vsize=2136 CPUtime=0 cores=0,2,4,6
/proc/7858/stat : 7858 (SATzilla2009_R) S 7856 7858 7824 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 425294343 2187264 114 33554432000 134512640 136149437 4293397840 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 4 0 0 0
/proc/7858/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

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

[startup+0.800615 s]
/proc/loadavg: 0.92 1.00 1.26 2/172 7858
/proc/meminfo: memFree=16908348/32951124 swapFree=67111524/67111528
[pid=7858] ppid=7856 vsize=2136 CPUtime=0 cores=0,2,4,6
/proc/7858/stat : 7858 (SATzilla2009_R) S 7856 7858 7824 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 425294343 2187264 114 33554432000 134512640 136149437 4293397840 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 4 0 0 0
/proc/7858/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

Child status: 10
Real time (s): 0.806002
CPU time (s): 0.805876
CPU user time (s): 0.802877
CPU system time (s): 0.002999
CPU usage (%): 99.9844
Max. virtual memory (cumulated for all children) (KiB): 2136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.802877
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 864
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= 7

runsolver used 0.001999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node136 at 2011-04-18 16:29:24
IDJOB=3209970
IDBENCH=82641
IDSOLVER=1628
FILE ID=node136/3209970-1303136964
RUNJOBID= node136-1303136964-7842
PBS_JOBID= 13020950
Free space on /tmp= 72608 MiB

SOLVER NAME= SAT09 reference solver: SATzilla2009_R 2009-03-22
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
COMMAND LINE= HOME/SATzilla2009_R BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3209970-1303136964/watcher-3209970-1303136964 -o /tmp/evaluation-result-3209970-1303136964/solver-3209970-1303136964 -C 5000 -W 5000 -M 15500  HOME/SATzilla2009_R HOME/instance-3209970-1303136964.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= cfefee970fb9a956a9dde1bcb9deab97
RANDOM SEED=565250038

node136.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		: 2666.809
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	: 5333.61
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		: 2666.809
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		: 2666.809
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		: 2666.809
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	: 5332.76
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		: 2666.809
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		: 2666.809
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	: 5332.83
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		: 2666.809
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		: 2666.809
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      16908512 kB
Buffers:        626552 kB
Cached:       15001660 kB
SwapCached:          4 kB
Active:        7523220 kB
Inactive:      8168516 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      16908512 kB
SwapTotal:    67111528 kB
SwapFree:     67111524 kB
Dirty:           63260 kB
Writeback:           0 kB
AnonPages:       63712 kB
Mapped:          13932 kB
Slab:           286356 kB
PageTables:       5032 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   186868 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= 72544 MiB
End job on node136 at 2011-04-18 16:29:25