Trace number 3385902

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
SArTagnan 2011-05-15 (fixed)SAT 3.20751 0.821234

General information on the benchmark

NameSAT05/crafted/sorge05/QG7a/
gensys-brn002.shuffled-as.sat05-3935.cnf
MD5SUMeda2d1e7d2975da4e019beddc323767b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.366944
Satisfiable
(Un)Satisfiability was proved
Number of variables2401
Number of clauses15897
Sum of the clauses size111804
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32205
Number of clauses of size 4294
Number of clauses of size 5441
Number of clauses of size over 512537

Solver Data 

3.13/0.81	
3.13/0.81	s SATISFIABLE
3.13/0.81	
3.13/0.81	v -1 -2 3 4 5 6 7 8 9 10 11 12 13 14 15 -16 17 18 -19 20 21 22 23 24 -25 26 27 28 -29 30 31 32 -33 34 35 36 37 38 39 40 41 42 43 44 45 46 -47 48 49 50 51 -52 -53 54 55 56 57 58 -59 60 61 62 63 64 -65 66 -67 68 -69 -70 71 72 -73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 -92 93 -94 95 -96 97 98 99 100 101 102 -103 -104 105 106 107 108 109 -110 111 112 113 114 115 116 -117 118 119 120 -121 -122 123 124 -125 126 127 128 129 130 131 132 133 134 -135 -136 137 -138 139 -140 141 142 143 -144 145 146 147 148 149 150 151 152 153 154 -155 156 157 -158 -159 160 161 162 -163 -164 165 -166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 -185 186 187 -188 -189 190 191 192 193 194 195 196 197 -198 -199 200 -201 202 203 204 205 206 207 208 209 210 -211 -212 213 214 215 216 217 218 219 220 221 222 223 -224 225 226 227 228 229 230 231 232 -233 -234 235 236 237 238 -239 240 -241 242 243 244 245 246 -247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 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2292 -2293 2294 2295 2296 -2297 2298 2299 -2300 2301 2302 -2303 -2304 2305 2306 2307 2308 -2309 -2310 -2311 -2312 2313 -2314 2315 2316 2317 2318 -2319 2320 2321 2322 2323 -2324 2325 -2326 -2327 2328 2329 2330 -2331 2332 2333 -2334 2335 -2336 2337 2338 2339 -2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 -2350 -2351 -2352 -2353 2354 2355 2356 2357 2358 2359 -2360 2361 2362 2363 -2364 2365 2366 2367 -2368 -2369 2370 2371 2372 2373 2374 -2375 2376 2377 2378 -2379 2380 -2381 2382 2383 -2384 2385 2386 2387 2388 -2389 -2390 2391 2392 -2393 2394 2395 2396 -2397 2398 2399 2400 -2401 0

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

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-3385902-1307650677/watcher-3385902-1307650677 -o /tmp/evaluation-result-3385902-1307650677/solver-3385902-1307650677 -C 4800 -W 1300 -M 15500 SArTagnan HOME/instance-3385902-1307650677.cnf -threads=4 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 4800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 4830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 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: 7.51 7.89 6.38 5/180 30463
/proc/meminfo: memFree=32241044/32950928 swapFree=67051812/67111528
[pid=30463] ppid=30461 vsize=19444 CPUtime=0 cores=1,3,5,7
/proc/30463/stat : 30463 (SArTagnan) R 30461 30463 28735 0 -1 4202496 628 0 0 0 0 0 0 0 25 0 1 0 955298398 19910656 543 33554432000 4194304 4625164 140736214593040 18446744073709551615 260905393920 0 0 4096 2 0 0 0 17 5 0 0 0
/proc/30463/statm: 4861 543 299 106 0 364 0

[startup+0.046961 s]
/proc/loadavg: 7.51 7.89 6.38 5/180 30463
/proc/meminfo: memFree=32241044/32950928 swapFree=67051812/67111528
[pid=30463] ppid=30461 vsize=253004 CPUtime=0.11 cores=1,3,5,7
/proc/30463/stat : 30463 (SArTagnan) R 30461 30463 28735 0 -1 4202496 3175 0 0 0 11 0 0 0 25 0 4 0 955298398 259076096 2455 33554432000 4194304 4625164 140736214593040 18446744073709551615 4509158 0 0 4096 2 18446744073709551615 0 0 17 5 0 0 0
/proc/30463/statm: 63251 2455 339 106 0 58754 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 253004

[startup+0.233024 s]
/proc/loadavg: 7.51 7.89 6.38 5/180 30463
/proc/meminfo: memFree=32241044/32950928 swapFree=67051812/67111528
[pid=30463] ppid=30461 vsize=255056 CPUtime=0.86 cores=1,3,5,7
/proc/30463/stat : 30463 (SArTagnan) R 30461 30463 28735 0 -1 4202496 6192 0 0 0 85 1 0 0 25 0 4 0 955298398 261177344 4048 33554432000 4194304 4625164 140736214593040 18446744073709551615 4512315 0 0 4096 2 18446744073709551615 0 0 17 5 0 0 0
/proc/30463/statm: 63764 4048 340 106 0 59267 0
Current children cumulated CPU time (s) 0.86
Current children cumulated vsize (KiB) 255056

[startup+0.301013 s]
/proc/loadavg: 7.51 7.89 6.38 5/180 30463
/proc/meminfo: memFree=32241044/32950928 swapFree=67051812/67111528
[pid=30463] ppid=30461 vsize=257628 CPUtime=1.12 cores=1,3,5,7
/proc/30463/stat : 30463 (SArTagnan) R 30461 30463 28735 0 -1 4202496 7841 0 0 0 111 1 0 0 25 0 4 0 955298398 263811072 4335 33554432000 4194304 4625164 140736214593040 18446744073709551615 4396555 0 0 4096 2 18446744073709551615 0 0 17 5 0 0 0
/proc/30463/statm: 64407 4336 344 106 0 59910 0
Current children cumulated CPU time (s) 1.12
Current children cumulated vsize (KiB) 257628

[startup+0.70094 s]
/proc/loadavg: 7.51 7.89 6.38 5/180 30463
/proc/meminfo: memFree=32241044/32950928 swapFree=67051812/67111528
[pid=30463] ppid=30461 vsize=261456 CPUtime=2.73 cores=1,3,5,7
/proc/30463/stat : 30463 (SArTagnan) R 30461 30463 28735 0 -1 4202496 11603 0 0 0 271 2 0 0 25 0 4 0 955298398 267730944 6244 33554432000 4194304 4625164 140736214593040 18446744073709551615 260905052505 0 0 4096 2 18446744073709551615 0 0 17 5 0 0 0
/proc/30463/statm: 65364 6244 346 106 0 60867 0
Current children cumulated CPU time (s) 2.73
Current children cumulated vsize (KiB) 261456

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

[startup+0.800923 s]
/proc/loadavg: 7.51 7.89 6.38 5/180 30463
/proc/meminfo: memFree=32241044/32950928 swapFree=67051812/67111528
[pid=30463] ppid=30461 vsize=261456 CPUtime=3.13 cores=1,3,5,7
/proc/30463/stat : 30463 (SArTagnan) R 30461 30463 28735 0 -1 4202496 12340 0 0 0 311 2 0 0 25 0 4 0 955298398 267730944 6879 33554432000 4194304 4625164 140736214593040 18446744073709551615 4512167 0 0 4096 2 18446744073709551615 0 0 17 5 0 0 0
/proc/30463/statm: 65364 6879 346 106 0 60867 0
Current children cumulated CPU time (s) 3.13
Current children cumulated vsize (KiB) 261456

Child status: 10
Real time (s): 0.821234
CPU time (s): 3.20751
CPU user time (s): 3.18352
CPU system time (s): 0.023996
CPU usage (%): 390.572
Max. virtual memory (cumulated for all children) (KiB): 261456

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.18352
system time used= 0.023996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12514
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= 109
involuntary context switches= 29

runsolver used 0.002999 second user time and 0.002999 second system time

The end

Launcher Data 

Begin job on node116 at 2011-06-09 22:17:57
IDJOB=3385902
IDBENCH=85786
IDSOLVER=1871
FILE ID=node116/3385902-1307650677
RUNJOBID= node116-1307649473-30308
PBS_JOBID= 13549375
Free space on /tmp= 74192 MiB

SOLVER NAME= SArTagnan 2011-05-15 (fixed)
BENCH NAME= SAT05/crafted/sorge05/QG7a/gensys-brn002.shuffled-as.sat05-3935.cnf
COMMAND LINE= SArTagnan BENCHNAME -threads=NBCORE
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3385902-1307650677/watcher-3385902-1307650677 -o /tmp/evaluation-result-3385902-1307650677/solver-3385902-1307650677 -C 4800 -W 1300 -M 15500  SArTagnan HOME/instance-3385902-1307650677.cnf -threads=4

TIME LIMIT= 4800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= eda2d1e7d2975da4e019beddc323767b
RANDOM SEED=1042540121

node116.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		: 2666.826
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	: 5333.65
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		: 2666.826
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	: 5226.15
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		: 2666.826
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		: 2666.826
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		: 2666.826
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	: 5332.77
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		: 2666.826
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		: 2666.826
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		: 2666.826
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:     32950928 kB
MemFree:      32242356 kB
Buffers:        221880 kB
Cached:         287476 kB
SwapCached:      13040 kB
Active:         306948 kB
Inactive:       224652 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      32242356 kB
SwapTotal:    67111528 kB
SwapFree:     67051812 kB
Dirty:            1192 kB
Writeback:           0 kB
AnonPages:       18784 kB
Mapped:           9584 kB
Slab:           112764 kB
PageTables:       4276 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   244324 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= 74192 MiB
End job on node116 at 2011-06-09 22:17:58