Trace number 1884951

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
wbo 1.0SAT 0.049991 0.050159

General information on the benchmark

Name/PURE-SAT/SAT09/
CRAFTED/sgi/sgi-difficult4.opb
MD5SUM0c1f2feafee20d713bbf235432c775a1
Bench CategoryPURE-SAT (instances containing only clauses)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.049991
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables483
Total number of constraints15156
Number of constraints which are clauses15156
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint23
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 24
Number of bits of the biggest sum of numbers5
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c This is wbo 1.0 alpha (based on Minisat 2.0 beta)
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Parsing opb file format. File HOME/instance-1884951-1245260862.opb.
0.00/0.00	c Instance file HOME/instance-1884951-1245260862.opb
0.00/0.00	c File size is 360643 bytes.
0.03/0.04	c Highest Coefficient sum: 24
0.03/0.04	c ============================[ Problem Statistics ]=============================
0.03/0.04	c |                                                                             |
0.03/0.04	c |  Parsing time:          0.04         s                                      |
0.03/0.04	c |  Number Variables:      483                                                 |
0.03/0.04	c |  Number Clauses:        15156                                               |
0.03/0.04	c |  Number Cardinality:    0                                                   |
0.03/0.04	c |  Number PB Constraints: 0                                                   |
0.03/0.04	c ============================[ Search Statistics ]==============================
0.03/0.04	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.03/0.04	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.03/0.04	c ===============================================================================
0.03/0.04	c |         0 |     483    15156    30753 |     5052        0    nan |  0.000 % |
0.03/0.04	c ===============================================================================
0.03/0.04	c Verified 15156 original clauses.
0.03/0.04	c #cores: 0
0.03/0.04	c Final Weight: 0
0.03/0.04	s SATISFIABLE
0.03/0.04	v -x1 -x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80 -x81 -x82 -x83 -x84 -x85 -x86 -x87 x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 -x125 -x126 -x127 x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157 -x158 -x159 -x160 -x161 -x162 -x163 -x164 -x165 -x166 -x167 -x168 -x169 -x170 -x171 -x172 -x173 -x174 -x175 -x176 x177 -x178 -x179 -x180 -x181 -x182 -x183 -x184 -x185 -x186 -x187 -x188 -x189 -x190 -x191 -x192 -x193 -x194 x195 -x196 -x197 -x198 -x199 -x200 -x201 -x202 -x203 -x204 -x205 -x206 -x207 -x208 -x209 -x210 -x211 -x212 -x213 -x214 -x215 -x216 -x217 -x218 -x219 -x220 -x221 -x222 -x223 x224 -x225 -x226 -x227 -x228 -x229 -x230 -x231 -x232 -x233 -x234 -x235 -x236 -x237 -x238 -x239 -x240 -x241 -x242 -x243 x244 -x245 -x246 -x247 -x248 -x249 -x250 -x251 -x252 -x253 -x254 -x255 -x256 -x257 -x258 -x259 -x260 -x261 x262 -x263 -x264 -x265 -x266 -x267 -x268 -x269 -x270 -x271 -x272 -x273 -x274 -x275 -x276 -x277 -x278 -x279 -x280 -x281 -x282 -x283 -x284 -x285 x286 -x287 -x288 -x289 -x290 -x291 -x292 -x293 -x294 -x295 -x296 -x297 -x298 -x299 -x300 -x301 -x302 -x303 -x304 -x305 x306 -x307 -x308 -x309 -x310 -x311 -x312 -x313 -x314 -x315 -x316 -x317 -x318 -x319 -x320 -x321 -x322 -x323 -x324 -x325 -x326 -x327 -x328 -x329 x330 -x331 -x332 -x333 -x334 -x335 -x336 -x337 -x338 -x339 -x340 -x341 -x342 -x343 -x344 -x345 -x346 -x347 -x348 -x349 -x350 x351 -x352 -x353 -x354 -x355 -x356 -x357 -x358 -x359 -x360 -x361 -x362 -x363 -x364 -x365 -x366 -x367 -x368 -x369 -x370 -x371 -x372 x373 -x374 -x375 -x376 -x377 -x378 -x379 -x380 -x381 -x382 -x383 -x384 -x385 -x386 -x387 -x388 -x389 -x390 -x391 -x392 -x393 -x394 x395 -x396 -x397 -x398 -x399 -x400 -x401 -x402 -x403 -x404 -x405 -x406 -x407 -x408 -x409 -x410 -x411 -x412 -x413 -x414 -x415 -x416 x417 -x418 -x419 -x420 -x421 -x422 -x423 -x424 -x425 -x426 -x427 -x428 -x429 -x430 -x431 -x432 -x433 -x434 -x435 -x436 -x437 -x438 x439 -x440 -x441 -x442 -x443 -x444 -x445 -x446 -x447 -x448 -x449 -x450 -x451 -x452 -x453 -x454 -x455 -x456 -x457 -x458 -x459 -x460 x461 -x462 -x463 -x464 -x465 -x466 -x467 -x468 -x469 -x470 -x471 -x472 -x473 -x474 -x475 -x476 -x477 -x478 -x479 -x480 -x481 -x482 -x483

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1884951-1245260862/watcher-1884951-1245260862 -o /tmp/evaluation-result-1884951-1245260862/solver-1884951-1245260862 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1884951-1245260862.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 0.92 3/64 10801
/proc/meminfo: memFree=1759224/2055920 swapFree=4192956/4192956
[pid=10801] ppid=10799 vsize=2880 CPUtime=0
/proc/10801/stat : 10801 (wbo) R 10799 10801 10359 0 -1 4194304 201 0 0 0 0 0 0 0 18 0 1 0 10415697 2949120 185 1992294400 134512640 135709839 4294956240 18446744073709551615 135189708 0 0 4096 3 0 0 0 17 1 0 0
/proc/10801/statm: 720 185 126 292 0 336 0

[startup+0.038675 s]
/proc/loadavg: 1.00 1.00 0.92 3/64 10801
/proc/meminfo: memFree=1759224/2055920 swapFree=4192956/4192956
[pid=10801] ppid=10799 vsize=3324 CPUtime=0.03
/proc/10801/stat : 10801 (wbo) R 10799 10801 10359 0 -1 4194304 394 0 0 0 3 0 0 0 18 0 1 0 10415697 3403776 378 1992294400 134512640 135709839 4294956240 18446744073709551615 134557242 0 0 4096 3 0 0 0 17 1 0 0
/proc/10801/statm: 831 378 189 292 0 447 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3324

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

[startup+0.038675 s]
/proc/loadavg: 1.00 1.00 0.92 3/64 10801
/proc/meminfo: memFree=1759224/2055920 swapFree=4192956/4192956
[pid=10801] ppid=10799 vsize=3324 CPUtime=0.03
/proc/10801/stat : 10801 (wbo) R 10799 10801 10359 0 -1 4194304 394 0 0 0 3 0 0 0 18 0 1 0 10415697 3403776 378 1992294400 134512640 135709839 4294956240 18446744073709551615 134557242 0 0 4096 3 0 0 0 17 1 0 0
/proc/10801/statm: 831 378 189 292 0 447 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3324

Child status: 0
Real time (s): 0.050159
CPU time (s): 0.049991
CPU user time (s): 0.046992
CPU system time (s): 0.002999
CPU usage (%): 99.6651
Max. virtual memory (cumulated for all children) (KiB): 3324

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.046992
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= 495
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= 3
involuntary context switches= 0

runsolver used 0.004999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node30 at 2009-06-17 19:47:42
IDJOB=1884951
IDBENCH=72008
IDSOLVER=698
FILE ID=node30/1884951-1245260862
PBS_JOBID= 9372423
Free space on /tmp= 66220 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB09/normalized-PB09/PURE-SAT/SAT09/CRAFTED/sgi/sgi-difficult4.opb
COMMAND LINE= wbo -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1884951-1245260862/watcher-1884951-1245260862 -o /tmp/evaluation-result-1884951-1245260862/solver-1884951-1245260862 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1884951-1245260862.opb

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

MD5SUM BENCH= 0c1f2feafee20d713bbf235432c775a1
RANDOM SEED=1962681644

node30.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		: 3000.273
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		: 3000.273
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:       1759640 kB
Buffers:         44424 kB
Cached:         193848 kB
SwapCached:          0 kB
Active:          57620 kB
Inactive:       193628 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1759640 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2728 kB
Writeback:           0 kB
Mapped:          22748 kB
Slab:            31092 kB
Committed_AS:    85804 kB
PageTables:       1360 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1884951-1245260862.opb

Free space on /tmp at the end= 66216 MiB
End job on node30 at 2009-06-17 19:47:43