Trace number 3162440

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 0.942855 0.943819

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S374960214-041-UNKNOWN.cnf
MD5SUM11586d50c22305a7c51fb5c10a66d320
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.942855
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 

0.89/0.94	c 
0.89/0.94	c UBCSAT version 1.2-sparrow2011 (based on BETA 1.2-b10) SAT11 Sparrow Build
0.89/0.94	c 
0.89/0.94	c http://www.satlib.org/ubcsat
0.89/0.94	c 
0.89/0.94	c ubcsat -h for help
0.89/0.94	c 
0.89/0.94	s SATISFIABLE
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0.89/0.94	v  21 22 23 24 -25 26 -27 28 29 -30
0.89/0.94	v  31 32 33 -34 35 -36 -37 38 -39 40
0.89/0.94	v  -41 -42 -43 -44 45 46 47 -48 -49 -50
0.89/0.94	v  -51 52 53 54 55 56 -57 58 -59 -60
0.89/0.94	v  -61 62 63 -64 -65 -66 67 68 -69 -70
0.89/0.94	v  -71 72 73 74 75 -76 77 78 -79 80
0.89/0.94	v  -81 -82 83 -84 85 86 87 88 -89 90
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0.89/0.94	v  1201 -1202 -1203 -1204 -1205 -1206 -1207 1208 1209 1210
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0.89/0.94	v  2141 2142 2143 -2144 -2145 2146 -2147 2148 -2149 2150
0.89/0.94	v  2151 2152 2153 -2154 2155 -2156 2157 -2158 2159 2160
0.89/0.94	v  -2161 -2162 2163 -2164 2165 -2166 2167 -2168 -2169 2170
0.89/0.94	v  -2171 2172 2173 2174 -2175 -2176 -2177 2178 2179 2180
0.89/0.94	v  -2181 2182 -2183 2184 2185 -2186 2187 2188 -2189 2190
0.89/0.94	v  -2191 -2192 2193 -2194 2195 -2196 -2197 2198 2199 2200
0.89/0.94	v  -2201 -2202 2203 2204 -2205 -2206 -2207 2208 -2209 -2210
0.89/0.94	v  -2211 2212 2213 -2214 -2215 -2216 2217 2218 -2219 -2220
0.89/0.94	v  -2221 -2222 2223 -2224 2225 -2226 -2227 -2228 2229 -2230
0.89/0.94	v  2231 -2232 -2233 -2234 -2235 -2236 2237 2238 2239 2240
0.89/0.94	v  -2241 -2242 2243 2244 2245 2246 2247 -2248 -2249 2250
0.89/0.94	v  -2251 -2252 -2253 2254 -2255 -2256 2257 2258 -2259 -2260
0.89/0.94	v  2261 -2262 2263 -2264 -2265 2266 2267 -2268 -2269 2270
0.89/0.94	v  2271 -2272 2273 -2274 -2275 -2276 -2277 -2278 -2279 -2280
0.89/0.94	v  -2281 -2282 -2283 2284 -2285 2286 2287 2288 2289 2290
0.89/0.94	v  2291 -2292 2293 -2294 -2295 2296 2297 -2298 2299 -2300
0.89/0.94	v  -2301 2302 2303 2304 -2305 -2306 2307 -2308 -2309 2310
0.89/0.94	v  -2311 2312 2313 -2314 -2315 2316 2317 2318 2319 2320
0.89/0.94	v  2321 -2322 2323 2324 -2325 2326 2327 2328 2329 2330
0.89/0.94	v  2331 -2332 -2333 2334 2335 2336 2337 -2338 2339 -2340
0.89/0.94	v  2341 -2342 -2343 2344 2345 -2346 2347 2348 2349 -2350
0.89/0.94	v  -2351 2352 -2353 -2354 -2355 2356 -2357 2358 2359 2360
0.89/0.94	v  2361 -2362 2363 2364 -2365 2366 2367 2368 2369 -2370
0.89/0.94	v  -2371 2372 -2373 -2374 -2375 2376 -2377 -2378 -2379 -2380
0.89/0.94	v  2381 2382 -2383 2384 2385 2386 -2387 2388 -2389 2390
0.89/0.94	v  -2391 2392 2393 2394 -2395 2396 2397 2398 -2399 -2400
0.89/0.94	v  2401 2402 2403 2404 -2405 2406 2407 2408 -2409 -2410
0.89/0.94	v  -2411 2412 2413 -2414 2415 2416 -2417 -2418 -2419 2420
0.89/0.94	v  -2421 -2422 2423 -2424 2425 -2426 2427 -2428 2429 2430
0.89/0.94	v  -2431 -2432 -2433 -2434 2435 -2436 -2437 -2438 -2439 2440
0.89/0.94	v  -2441 2442 2443 2444 -2445 -2446 2447 2448 -2449 2450
0.89/0.94	v  2451 2452 2453 2454 2455 2456 2457 2458 2459 2460
0.89/0.94	v  -2461 -2462 -2463 2464 2465 -2466 -2467 2468 -2469 2470
0.89/0.94	v  -2471 -2472 -2473 2474 -2475 -2476 2477 2478 -2479 2480
0.89/0.94	v  2481 -2482 -2483 2484 2485 2486 -2487 2488 -2489 2490
0.89/0.94	v  -2491 -2492 2493 -2494 2495 -2496 -2497 2498 -2499 2500
0.89/0.94	v  0
0.89/0.94	c SearchSteps = 1406203
0.89/0.94	c SolveTime = 0.94

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-3162440-1301698572/watcher-3162440-1301698572 -o /tmp/evaluation-result-3162440-1301698572/solver-3162440-1301698572 -C 2400 -W 1300 -M 7680 sparrow2011 HOME/instance-3162440-1301698572.cnf 1854761302 

running on 2 cores: 4,6

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: 3.87 3.91 3.67 4/189 25717
/proc/meminfo: memFree=19723244/32950940 swapFree=67111528/67111528
[pid=25717] ppid=25715 vsize=12232 CPUtime=0 cores=4,6
/proc/25717/stat : 25717 (sparrow2011) R 25715 25717 25602 0 -1 4202496 401 0 0 0 0 0 0 0 25 0 1 0 360088018 12525568 340 33554432000 4194304 4568220 140735124557264 18446744073709551615 215988592384 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/25717/statm: 3058 340 147 92 0 1442 0

[startup+0.0893151 s]
/proc/loadavg: 3.87 3.91 3.67 4/189 25717
/proc/meminfo: memFree=19723244/32950940 swapFree=67111528/67111528
[pid=25717] ppid=25715 vsize=12228 CPUtime=0.08 cores=4,6
/proc/25717/stat : 25717 (sparrow2011) R 25715 25717 25602 0 -1 4202496 620 0 0 0 8 0 0 0 25 0 1 0 360088018 12521472 558 33554432000 4194304 4568220 140735124557264 18446744073709551615 4243053 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/25717/statm: 3057 558 173 92 0 1441 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 12228

[startup+0.100323 s]
/proc/loadavg: 3.87 3.91 3.67 4/189 25717
/proc/meminfo: memFree=19723244/32950940 swapFree=67111528/67111528
[pid=25717] ppid=25715 vsize=12228 CPUtime=0.09 cores=4,6
/proc/25717/stat : 25717 (sparrow2011) R 25715 25717 25602 0 -1 4202496 620 0 0 0 9 0 0 0 25 0 1 0 360088018 12521472 558 33554432000 4194304 4568220 140735124557264 18446744073709551615 4239286 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/25717/statm: 3057 558 173 92 0 1441 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12228

[startup+0.300288 s]
/proc/loadavg: 3.87 3.91 3.67 4/189 25717
/proc/meminfo: memFree=19723244/32950940 swapFree=67111528/67111528
[pid=25717] ppid=25715 vsize=12228 CPUtime=0.29 cores=4,6
/proc/25717/stat : 25717 (sparrow2011) R 25715 25717 25602 0 -1 4202496 620 0 0 0 29 0 0 0 25 0 1 0 360088018 12521472 558 33554432000 4194304 4568220 140735124557264 18446744073709551615 4240176 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/25717/statm: 3057 558 173 92 0 1441 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12228

[startup+0.700218 s]
/proc/loadavg: 3.87 3.91 3.67 4/189 25717
/proc/meminfo: memFree=19723244/32950940 swapFree=67111528/67111528
[pid=25717] ppid=25715 vsize=12228 CPUtime=0.69 cores=4,6
/proc/25717/stat : 25717 (sparrow2011) R 25715 25717 25602 0 -1 4202496 620 0 0 0 69 0 0 0 25 0 1 0 360088018 12521472 558 33554432000 4194304 4568220 140735124557264 18446744073709551615 4239377 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/25717/statm: 3057 558 173 92 0 1441 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12228

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

[startup+0.900185 s]
/proc/loadavg: 3.87 3.91 3.67 4/189 25717
/proc/meminfo: memFree=19723244/32950940 swapFree=67111528/67111528
[pid=25717] ppid=25715 vsize=12228 CPUtime=0.89 cores=4,6
/proc/25717/stat : 25717 (sparrow2011) R 25715 25717 25602 0 -1 4202496 620 0 0 0 89 0 0 0 25 0 1 0 360088018 12521472 558 33554432000 4194304 4568220 140735124557264 18446744073709551615 4239958 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/25717/statm: 3057 558 173 92 0 1441 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 12228

Child status: 10
Real time (s): 0.943819
CPU time (s): 0.942855
CPU user time (s): 0.941856
CPU system time (s): 0.000999
CPU usage (%): 99.8979
Max. virtual memory (cumulated for all children) (KiB): 12228

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.941856
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 638
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= 8

runsolver used 0.005999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node117 at 2011-04-02 00:56:12
IDJOB=3162440
IDBENCH=82671
IDSOLVER=1573
FILE ID=node117/3162440-1301698572
RUNJOBID= node117-1301698519-25621
PBS_JOBID= 12840751
Free space on /tmp= 70956 MiB

SOLVER NAME= sparrow2011 sparrow2011_ubcsat1.2_2011-03-02
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S374960214-041-UNKNOWN.cnf
COMMAND LINE= sparrow2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3162440-1301698572/watcher-3162440-1301698572 -o /tmp/evaluation-result-3162440-1301698572/solver-3162440-1301698572 -C 2400 -W 1300 -M 7680  sparrow2011 HOME/instance-3162440-1301698572.cnf 1854761302

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

MD5SUM BENCH= 11586d50c22305a7c51fb5c10a66d320
RANDOM SEED=1854761302

node117.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		: 2666.849
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	: 5333.69
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		: 2666.849
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		: 2666.849
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	: 5332.74
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		: 2666.849
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	: 5332.75
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		: 2666.849
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		: 2666.849
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	: 5332.74
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		: 2666.849
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		: 2666.849
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	: 5267.44
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950940 kB
MemFree:      19723260 kB
Buffers:        379204 kB
Cached:       12466212 kB
SwapCached:          0 kB
Active:        8195680 kB
Inactive:      4729552 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950940 kB
LowFree:      19723260 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             440 kB
Writeback:           0 kB
AnonPages:       79440 kB
Mapped:          16000 kB
Slab:           237648 kB
PageTables:       5356 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586996 kB
Committed_AS:   286652 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= 70956 MiB
End job on node117 at 2011-04-02 00:56:13