Trace number 2682889

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 NameAnswerobjective functionCPU timeWall clock time
PB/CT 0.1 fixedOPT358400 2.91356 2.91348

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/fctp/normalized-mps-v2-20-10-bk4x3.opb
MD5SUM64063337fab2dda54f42063d1a3efba3
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark358400
Best CPU time to get the best result obtained on this benchmark2.91356
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 358400
Optimality of the best value was proved YES
Number of variables372
Total number of constraints19
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints19
Minimum length of a constraint31
Maximum length of a constraint120
Number of terms in the objective function 372
Biggest coefficient in the objective function 2684354560
Number of bits for the biggest coefficient in the objective function 32
Sum of the numbers in the objective function 36507467742
Number of bits of the sum of numbers in the objective function 36
Biggest number in a constraint 2684354560
Number of bits of the biggest number in a constraint 32
Biggest sum of numbers in a constraint 36507467742
Number of bits of the biggest sum of numbers36
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.00/0.00	c PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.00	c constraints 19/0 clauses 0/0 units 182
0.00/0.00	c vars 372
0.00/0.00	c objective 279 + 0
0.05/0.09	c 0.080987 8.38672 291 1963
0.05/0.09	o 556644
0.09/0.11	c 0.099984 8.54688 467 3286
0.09/0.11	o 547172
0.09/0.12	c 0.106983 8.54688 561 3800
0.09/0.12	o 546778
0.09/0.12	c 0.111982 8.54688 614 4029
0.09/0.12	o 546758
0.09/0.13	c 0.115982 8.54688 653 4285
0.09/0.13	o 546756
0.09/0.16	c 0.137979 8.54688 890 6256
0.09/0.16	o 542224
0.09/0.17	c 0.152976 8.54688 1002 7233
0.09/0.17	o 504612
0.09/0.19	c 0.168974 8.54688 1061 8277
0.09/0.19	o 504120
0.19/0.22	c 0.19597 8.67578 1296 9196
0.19/0.22	o 504114
0.29/0.33	c 0.291955 8.67578 926 14813
0.29/0.33	o 500352
0.29/0.35	c 0.305953 8.67578 1121 15562
0.29/0.35	o 471048
0.29/0.39	c 0.341948 8.67578 957 17163
0.29/0.39	o 470640
0.69/0.72	c 0.631903 8.92578 781 24312
0.69/0.72	o 430080
0.69/0.77	c 0.678896 8.92578 1158 25420
0.69/0.77	o 404730
0.79/0.87	c 0.768883 8.92578 823 28489
0.79/0.87	o 399360
1.09/1.19	c 1.02984 8.92578 980 33725
1.09/1.19	o 389120
1.49/1.59	c 1.39079 8.92578 1098 37940
1.49/1.59	o 387080
1.79/1.80	c 1.56676 8.92578 776 40724
1.79/1.80	o 358400
2.79/2.89	c 2.49362 8.92578 286 50881
2.79/2.89	s OPTIMUM FOUND
2.79/2.89	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

Verifier Data 

OK	358400

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2682889-1277484610/watcher-2682889-1277484610 -o /tmp/evaluation-result-2682889-1277484610/solver-2682889-1277484610 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682889-1277484610.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 1.00 3/106 27266
/proc/meminfo: memFree=1787244/2059040 swapFree=4140544/4192956
[pid=27266] ppid=27264 vsize=3180 CPUtime=0
/proc/27266/stat : 27266 (pbct) R 27264 27266 26649 0 -1 4202496 498 0 0 0 0 0 0 0 23 0 1 0 89751777 3256320 417 1992294400 134512640 136421960 4292639984 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27266/statm: 795 419 188 467 0 326 0

[startup+0.06815 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 27266
/proc/meminfo: memFree=1787244/2059040 swapFree=4140544/4192956
[pid=27266] ppid=27264 vsize=8584 CPUtime=0.05
/proc/27266/stat : 27266 (pbct) R 27264 27266 26649 0 -1 4202496 1831 0 0 0 5 0 0 0 23 0 1 0 89751777 8790016 1750 1992294400 134512640 136421960 4292639984 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27266/statm: 2146 1750 216 467 0 1677 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 8584

[startup+0.101153 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 27266
/proc/meminfo: memFree=1787244/2059040 swapFree=4140544/4192956
[pid=27266] ppid=27264 vsize=8748 CPUtime=0.09
/proc/27266/stat : 27266 (pbct) R 27264 27266 26649 0 -1 4202496 1894 0 0 0 8 1 0 0 23 0 1 0 89751777 8957952 1812 1992294400 134512640 136421960 4292639984 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27266/statm: 2187 1812 238 467 0 1718 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8748

[startup+0.30117 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 27266
/proc/meminfo: memFree=1787244/2059040 swapFree=4140544/4192956
[pid=27266] ppid=27264 vsize=8880 CPUtime=0.29
/proc/27266/stat : 27266 (pbct) R 27264 27266 26649 0 -1 4202496 1934 0 0 0 26 3 0 0 23 0 1 0 89751777 9093120 1844 1992294400 134512640 136421960 4292639984 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27266/statm: 2220 1844 238 467 0 1751 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8880

[startup+0.701204 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 27266
/proc/meminfo: memFree=1787244/2059040 swapFree=4140544/4192956
[pid=27266] ppid=27264 vsize=9136 CPUtime=0.69
/proc/27266/stat : 27266 (pbct) R 27264 27266 26649 0 -1 4202496 2002 0 0 0 61 8 0 0 25 0 1 0 89751777 9355264 1909 1992294400 134512640 136421960 4292639984 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27266/statm: 2284 1909 238 467 0 1815 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9136

[startup+1.50127 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 27267
/proc/meminfo: memFree=1780540/2059040 swapFree=4140544/4192956
[pid=27266] ppid=27264 vsize=9136 CPUtime=1.49
/proc/27266/stat : 27266 (pbct) R 27264 27266 26649 0 -1 4202496 2006 0 0 0 130 19 0 0 25 0 1 0 89751777 9355264 1909 1992294400 134512640 136421960 4292639984 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27266/statm: 2284 1909 238 467 0 1815 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9136

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

[startup+2.30134 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 27267
/proc/meminfo: memFree=1780292/2059040 swapFree=4140544/4192956
[pid=27266] ppid=27264 vsize=9136 CPUtime=2.29
/proc/27266/stat : 27266 (pbct) R 27264 27266 26649 0 -1 4202496 2008 0 0 0 199 30 0 0 25 0 1 0 89751777 9355264 1909 1992294400 134512640 136421960 4292639984 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27266/statm: 2284 1909 238 467 0 1815 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 9136

[startup+2.70138 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 27267
/proc/meminfo: memFree=1780292/2059040 swapFree=4140544/4192956
[pid=27266] ppid=27264 vsize=9136 CPUtime=2.69
/proc/27266/stat : 27266 (pbct) R 27264 27266 26649 0 -1 4202496 2008 0 0 0 233 36 0 0 25 0 1 0 89751777 9355264 1909 1992294400 134512640 136421960 4292639984 18446744073709551615 134604515 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27266/statm: 2284 1909 238 467 0 1815 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 9136

[startup+2.9014 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 27267
/proc/meminfo: memFree=1780292/2059040 swapFree=4140544/4192956
[pid=27266] ppid=27264 vsize=8356 CPUtime=2.89
/proc/27266/stat : 27266 (pbct) R 27264 27266 26649 0 -1 4202496 2012 0 0 0 250 39 0 0 25 0 1 0 89751777 8556544 1771 1992294400 134512640 136421960 4292639984 18446744073709551615 135642756 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27266/statm: 2089 1771 241 467 0 1620 0
Current children cumulated CPU time (s) 2.89
Current children cumulated vsize (KiB) 8356

Child status: 0
Real time (s): 2.91348
CPU time (s): 2.91356
CPU user time (s): 2.51362
CPU system time (s): 0.399939
CPU usage (%): 100.003
Max. virtual memory (cumulated for all children) (KiB): 9136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.51362
system time used= 0.399939
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2013
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= 1
involuntary context switches= 4

runsolver used 0.004999 second user time and 0.022996 second system time

The end

Launcher Data 

Begin job on node057 at 2010-06-25 18:50:10
IDJOB=2682889
IDBENCH=2301
IDSOLVER=1192
FILE ID=node057/2682889-1277484610
PBS_JOBID= 11190490
Free space on /tmp= 62392 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/pub/fctp/normalized-mps-v2-20-10-bk4x3.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682889-1277484610/watcher-2682889-1277484610 -o /tmp/evaluation-result-2682889-1277484610/solver-2682889-1277484610 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682889-1277484610.opb

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

MD5SUM BENCH= 64063337fab2dda54f42063d1a3efba3
RANDOM SEED=74488999

node057.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	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.247
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.49
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		: 3000.247
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1787772 kB
Buffers:         45204 kB
Cached:         128580 kB
SwapCached:       5360 kB
Active:          68336 kB
Inactive:       118504 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1787772 kB
SwapTotal:     4192956 kB
SwapFree:      4140544 kB
Dirty:            1952 kB
Writeback:          16 kB
AnonPages:       11620 kB
Mapped:          12016 kB
Slab:            62600 kB
PageTables:       4120 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182712 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62392 MiB
End job on node057 at 2010-06-25 18:50:13