Trace number 1539660

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
SATzilla2009_C 2009-03-22SAT 2.01269 2.01555

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/420/
unif-k3-r4.25-v420-c1785-S1940784272-089.cnf
MD5SUMbd1e8bac20c24526524d34ea2c494a05
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.015996
Satisfiable
(Un)Satisfiability was proved
Number of variables420
Number of clauses1785
Sum of the clauses size5355
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31785
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

1.98/2.01	c SATzilla is building models for class 2
1.98/2.01	c run presolver march_dl2004 for 5 seconds ... 
1.98/2.01	c Bin: Executing march_dl2004
1.98/2.01	c spawning binary file with 5 seconds ...
1.98/2.01	c child exited successfully
1.98/2.01	c march_dl2004 returned code 10.
1.98/2.01	s SATISFIABLE
1.98/2.01	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 -261 262 263 -264 -265 -266 267 268 269 270 271 272 273 -274 -275 276 -277 278 -279 -280 281 282 -283 284 285 286 -287 -288 289 -290 291 292 293 294 295 -296 -297 -298 -299 -300 -301 -302 -303 304 -305 306 307 308 -309 310 -311 312 313 314 -315 316 317 -318 319 320 321 -322 323 324 325 326 327 328 329 -330 -331 -332 -333 -334 -335 -336 337 338 339 -340 341 342 343 344 345 -346 347 -348 349 350 -351 352 -353 -354 -355 356 357 -358 -359 -360 361 -362 -363 364 365 -366 -367 368 -369 -370 -371 372 -373 -374 -375 376 377 378 -379 -380 -381 382 -383 384 385 386 -387 388 389 -390 391 -392 393 -394 -395 -396 397 398 -399 400 -401 -402 403 -404 -405 406 -407 408 409 -410 411 412 -413 -414 415 -416 417 418 -419 -420 0
1.98/2.01	c SATZILLA_TIME=2.010000

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1539660-1238574593/watcher-1539660-1238574593 -o /tmp/evaluation-result-1539660-1238574593/solver-1539660-1238574593 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2009_C HOME/instance-1539660-1238574593.cnf 

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 1.00 1.00 3/69 20188
/proc/meminfo: memFree=1475104/2055920 swapFree=4171336/4192956
[pid=20188] ppid=20186 vsize=2056 CPUtime=0
/proc/20188/stat : 20188 (SATzilla2009_C) S 20186 20188 19776 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1130122432 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20188/statm: 514 112 96 399 0 111 0
[pid=20189] ppid=20188 vsize=772 CPUtime=0
/proc/20189/stat : 20189 (march_dl2004) R 20188 20188 19776 0 -1 4194304 116 0 0 0 0 0 0 0 19 0 1 0 1130122432 790528 108 1992294400 134512640 134996440 4294956176 18446744073709551615 134525015 0 0 8392704 0 0 0 0 17 0 0 0
/proc/20189/statm: 193 108 55 118 0 72 0

[startup+0.0876499 s]
/proc/loadavg: 1.00 1.00 1.00 3/69 20188
/proc/meminfo: memFree=1475104/2055920 swapFree=4171336/4192956
[pid=20188] ppid=20186 vsize=2056 CPUtime=0
/proc/20188/stat : 20188 (SATzilla2009_C) S 20186 20188 19776 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1130122432 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20188/statm: 514 112 96 399 0 111 0
[pid=20189] ppid=20188 vsize=1140 CPUtime=0.08
/proc/20189/stat : 20189 (march_dl2004) R 20188 20188 19776 0 -1 4194304 231 0 0 0 8 0 0 0 19 0 1 0 1130122432 1167360 223 1992294400 134512640 134996440 4294956176 18446744073709551615 134528159 0 0 8392704 0 0 0 0 17 0 0 0
/proc/20189/statm: 285 223 74 118 0 164 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3196

[startup+0.101651 s]
/proc/loadavg: 1.00 1.00 1.00 3/69 20188
/proc/meminfo: memFree=1475104/2055920 swapFree=4171336/4192956
[pid=20188] ppid=20186 vsize=2056 CPUtime=0
/proc/20188/stat : 20188 (SATzilla2009_C) S 20186 20188 19776 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1130122432 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20188/statm: 514 112 96 399 0 111 0
[pid=20189] ppid=20188 vsize=1140 CPUtime=0.09
/proc/20189/stat : 20189 (march_dl2004) R 20188 20188 19776 0 -1 4194304 232 0 0 0 9 0 0 0 19 0 1 0 1130122432 1167360 224 1992294400 134512640 134996440 4294956176 18446744073709551615 134526932 0 0 8392704 0 0 0 0 17 0 0 0
/proc/20189/statm: 285 224 74 118 0 164 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3196

[startup+0.301671 s]
/proc/loadavg: 1.00 1.00 1.00 3/69 20188
/proc/meminfo: memFree=1475104/2055920 swapFree=4171336/4192956
[pid=20188] ppid=20186 vsize=2056 CPUtime=0
/proc/20188/stat : 20188 (SATzilla2009_C) S 20186 20188 19776 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1130122432 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20188/statm: 514 112 96 399 0 111 0
[pid=20189] ppid=20188 vsize=1140 CPUtime=0.29
/proc/20189/stat : 20189 (march_dl2004) R 20188 20188 19776 0 -1 4194304 241 0 0 0 29 0 0 0 21 0 1 0 1130122432 1167360 233 1992294400 134512640 134996440 4294956176 18446744073709551615 134571544 0 0 8392704 0 0 0 0 17 0 0 0
/proc/20189/statm: 285 233 74 118 0 164 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3196

[startup+0.701712 s]
/proc/loadavg: 1.00 1.00 1.00 3/69 20188
/proc/meminfo: memFree=1475104/2055920 swapFree=4171336/4192956
[pid=20188] ppid=20186 vsize=2056 CPUtime=0
/proc/20188/stat : 20188 (SATzilla2009_C) S 20186 20188 19776 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1130122432 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20188/statm: 514 112 96 399 0 111 0
[pid=20189] ppid=20188 vsize=1272 CPUtime=0.69
/proc/20189/stat : 20189 (march_dl2004) R 20188 20188 19776 0 -1 4194304 248 0 0 0 69 0 0 0 25 0 1 0 1130122432 1302528 240 1992294400 134512640 134996440 4294956176 18446744073709551615 134617604 0 0 8392704 0 0 0 0 17 0 0 0
/proc/20189/statm: 318 240 74 118 0 197 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3328

[startup+1.50179 s]
/proc/loadavg: 1.00 1.00 1.00 2/71 20190
/proc/meminfo: memFree=1474256/2055920 swapFree=4171336/4192956
[pid=20188] ppid=20186 vsize=2056 CPUtime=0
/proc/20188/stat : 20188 (SATzilla2009_C) S 20186 20188 19776 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1130122432 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20188/statm: 514 112 96 399 0 111 0
[pid=20189] ppid=20188 vsize=1272 CPUtime=1.49
/proc/20189/stat : 20189 (march_dl2004) R 20188 20188 19776 0 -1 4194304 255 0 0 0 149 0 0 0 25 0 1 0 1130122432 1302528 247 1992294400 134512640 134996440 4294956176 18446744073709551615 134527899 0 0 8392704 0 0 0 0 17 0 0 0
/proc/20189/statm: 318 247 74 118 0 197 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3328

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

[startup+1.9019 s]
/proc/loadavg: 1.00 1.00 1.00 2/71 20190
/proc/meminfo: memFree=1474256/2055920 swapFree=4171336/4192956
[pid=20188] ppid=20186 vsize=2056 CPUtime=0
/proc/20188/stat : 20188 (SATzilla2009_C) S 20186 20188 19776 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1130122432 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20188/statm: 514 112 96 399 0 111 0
[pid=20189] ppid=20188 vsize=1272 CPUtime=1.89
/proc/20189/stat : 20189 (march_dl2004) R 20188 20188 19776 0 -1 4194304 255 0 0 0 189 0 0 0 25 0 1 0 1130122432 1302528 247 1992294400 134512640 134996440 4294956176 18446744073709551615 134514104 0 0 8392704 0 0 0 0 17 1 0 0
/proc/20189/statm: 318 247 74 118 0 197 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 3328

[startup+2.00185 s]
/proc/loadavg: 1.00 1.00 1.00 2/71 20190
/proc/meminfo: memFree=1474256/2055920 swapFree=4171336/4192956
[pid=20188] ppid=20186 vsize=2056 CPUtime=0
/proc/20188/stat : 20188 (SATzilla2009_C) S 20186 20188 19776 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 1130122432 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/20188/statm: 514 112 96 399 0 111 0
[pid=20189] ppid=20188 vsize=1272 CPUtime=1.98
/proc/20189/stat : 20189 (march_dl2004) R 20188 20188 19776 0 -1 4194304 256 0 0 0 198 0 0 0 25 0 1 0 1130122432 1302528 248 1992294400 134512640 134996440 4294956176 18446744073709551615 134566589 0 0 8392704 0 0 0 0 17 1 0 0
/proc/20189/statm: 318 248 74 118 0 197 0
Current children cumulated CPU time (s) 1.98
Current children cumulated vsize (KiB) 3328

Child status: 10
Real time (s): 2.01555
CPU time (s): 2.01269
CPU user time (s): 2.00169
CPU system time (s): 0.010998
CPU usage (%): 99.8584
Max. virtual memory (cumulated for all children) (KiB): 3328

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.00169
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 424
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= 4
involuntary context switches= 12

runsolver used 0.004999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node44 at 2009-04-01 10:29:53
IDJOB=1539660
IDBENCH=70666
IDSOLVER=527
FILE ID=node44/1539660-1238574593
PBS_JOBID= 9062176
Free space on /tmp= 66400 MiB

SOLVER NAME= SATzilla2009_C 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/420/unif-k3-r4.25-v420-c1785-S1940784272-089.cnf
COMMAND LINE= HOME/SATzilla2009_C BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1539660-1238574593/watcher-1539660-1238574593 -o /tmp/evaluation-result-1539660-1238574593/solver-1539660-1238574593 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2009_C HOME/instance-1539660-1238574593.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= bd1e8bac20c24526524d34ea2c494a05
RANDOM SEED=1539307497

node44.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		: 3000.241
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		: 3000.241
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:       1475584 kB
Buffers:         93152 kB
Cached:         380144 kB
SwapCached:      11068 kB
Active:         238652 kB
Inactive:       247204 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1475584 kB
SwapTotal:     4192956 kB
SwapFree:      4171336 kB
Dirty:           31480 kB
Writeback:           0 kB
Mapped:          18228 kB
Slab:            79852 kB
Committed_AS:  2791980 kB
PageTables:       1796 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66368 MiB
End job on node44 at 2009-04-01 10:29:55