Trace number 2681266

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 fixedOPT-76 5.51416 5.51524

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-8000opt.opb
MD5SUMc18c3db09a696b172987b81aa567120d
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-76
Best CPU time to get the best result obtained on this benchmark5.51416
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables2025
Total number of constraints29096
Number of constraints which are clauses29096
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 constraint3
Number of terms in the objective function 135
Biggest coefficient in the objective function 4
Number of bits for the biggest coefficient in the objective function 3
Sum of the numbers in the objective function 341
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 4
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 341
Number of bits of the biggest sum of numbers9
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
0.29/0.33	c constraints 0/0 clauses 29096/0 units 0
0.29/0.33	c vars 2025
0.29/0.33	c objective 135 + -341
0.79/0.83	c 0.771882 56.7148 0 2622
0.79/0.83	o -14
0.79/0.84	c 0.776881 57.457 3 4750
0.79/0.84	o -18
0.79/0.85	c 0.78388 57.457 25 6612
0.79/0.85	o -24
0.79/0.86	c 0.795879 57.457 90 8686
0.79/0.86	o -25
0.79/0.87	c 0.802877 57.457 127 10499
0.79/0.87	o -30
0.79/0.88	c 0.808877 57.457 159 12313
0.79/0.88	o -33
0.79/0.89	c 0.815875 57.457 188 13996
0.79/0.89	o -37
0.89/0.91	c 0.831873 57.457 363 16118
0.89/0.91	o -54
0.89/0.94	c 0.85387 57.457 600 18053
0.89/0.94	o -57
0.89/0.94	c 0.858869 57.457 624 19501
0.89/0.94	o -58
0.89/0.96	c 0.875866 57.457 765 21336
0.89/0.96	o -66
1.00/1.01	c 0.922859 57.457 1217 23316
1.00/1.01	o -67
1.00/1.05	c 0.953854 57.457 1442 25113
1.00/1.05	o -75
1.10/1.16	c 1.06084 57.5859 2373 27607
1.10/1.16	o -76
5.19/5.27	c 5.02324 59.9844 1405 51645
5.19/5.27	s OPTIMUM FOUND
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Verifier Data 

OK	-76

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681266-1277506299/watcher-2681266-1277506299 -o /tmp/evaluation-result-2681266-1277506299/solver-2681266-1277506299 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681266-1277506299.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: 0.87 0.97 0.99 3/106 30820
/proc/meminfo: memFree=1843144/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=2136 CPUtime=0
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 251 0 0 0 0 0 0 0 23 0 1 0 91922779 2187264 170 1992294400 134512640 136421960 4286814320 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30820/statm: 534 170 145 467 0 65 0

[startup+0.0368931 s]
/proc/loadavg: 0.87 0.97 0.99 3/106 30820
/proc/meminfo: memFree=1843144/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=2268 CPUtime=0.03
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 275 0 0 0 3 0 0 0 23 0 1 0 91922779 2322432 194 1992294400 134512640 136421960 4286814320 18446744073709551615 135825851 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30820/statm: 567 194 145 467 0 98 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2268

[startup+0.1009 s]
/proc/loadavg: 0.87 0.97 0.99 3/106 30820
/proc/meminfo: memFree=1843144/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=2400 CPUtime=0.09
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 326 0 0 0 9 0 0 0 23 0 1 0 91922779 2457600 245 1992294400 134512640 136421960 4286814320 18446744073709551615 135152242 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30820/statm: 600 245 145 467 0 131 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2400

[startup+0.300921 s]
/proc/loadavg: 0.87 0.97 0.99 3/106 30820
/proc/meminfo: memFree=1843144/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=3060 CPUtime=0.29
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 476 0 0 0 29 0 0 0 23 0 1 0 91922779 3133440 395 1992294400 134512640 136421960 4286814320 18446744073709551615 135642741 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30820/statm: 765 395 145 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.700965 s]
/proc/loadavg: 0.87 0.97 0.99 3/106 30820
/proc/meminfo: memFree=1843144/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=56216 CPUtime=0.69
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 14392 0 0 0 63 6 0 0 25 0 1 0 91922779 57565184 13337 1992294400 134512640 136421960 4286814320 18446744073709551615 134922208 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30820/statm: 14054 13337 204 467 0 13585 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 56216

[startup+1.50105 s]
/proc/loadavg: 0.87 0.97 0.99 2/107 30821
/proc/meminfo: memFree=1787832/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=59624 CPUtime=1.49
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 15279 0 0 0 138 11 0 0 25 0 1 0 91922779 61054976 14210 1992294400 134512640 136421960 4286814320 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30820/statm: 14906 14210 236 467 0 14437 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 59624

[startup+3.10123 s]
/proc/loadavg: 0.87 0.97 0.99 2/107 30821
/proc/meminfo: memFree=1786096/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=61252 CPUtime=3.09
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 15702 0 0 0 292 17 0 0 25 0 1 0 91922779 62722048 14633 1992294400 134512640 136421960 4286814320 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30820/statm: 15313 14633 236 467 0 14844 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 61252

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

[startup+4.7004 s]
/proc/loadavg: 0.87 0.97 0.99 2/107 30821
/proc/meminfo: memFree=1785104/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=61420 CPUtime=4.69
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 15725 0 0 0 447 22 0 0 25 0 1 0 91922779 62894080 14656 1992294400 134512640 136421960 4286814320 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30820/statm: 15355 14656 236 467 0 14886 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 61420

[startup+5.10044 s]
/proc/loadavg: 0.87 0.97 0.99 2/107 30821
/proc/meminfo: memFree=1785104/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=61420 CPUtime=5.08
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 15725 0 0 0 485 23 0 0 25 0 1 0 91922779 62894080 14656 1992294400 134512640 136421960 4286814320 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30820/statm: 15355 14656 236 467 0 14886 0
Current children cumulated CPU time (s) 5.08
Current children cumulated vsize (KiB) 61420

[startup+5.50849 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 30821
/proc/meminfo: memFree=1790312/2059040 swapFree=4140192/4192956
[pid=30820] ppid=30818 vsize=51424 CPUtime=5.49
/proc/30820/stat : 30820 (pbct) R 30818 30820 30768 0 -1 4202496 15729 0 0 0 525 24 0 0 25 0 1 0 91922779 52658176 12588 1992294400 134512640 136421960 4286814320 18446744073709551615 135801301 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30820/statm: 12856 12588 239 467 0 12387 0
Current children cumulated CPU time (s) 5.49
Current children cumulated vsize (KiB) 51424

Child status: 0
Real time (s): 5.51524
CPU time (s): 5.51416
CPU user time (s): 5.2602
CPU system time (s): 0.253961
CPU usage (%): 99.9804
Max. virtual memory (cumulated for all children) (KiB): 61420

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.2602
system time used= 0.253961
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15730
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= 5

runsolver used 0.010998 second user time and 0.040993 second system time

The end

Launcher Data 

Begin job on node037 at 2010-06-26 00:51:39
IDJOB=2681266
IDBENCH=71826
IDSOLVER=1192
FILE ID=node037/2681266-1277506299
PBS_JOBID= 11190635
Free space on /tmp= 62488 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-8000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681266-1277506299/watcher-2681266-1277506299 -o /tmp/evaluation-result-2681266-1277506299/solver-2681266-1277506299 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681266-1277506299.opb

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

MD5SUM BENCH= c18c3db09a696b172987b81aa567120d
RANDOM SEED=1915910097

node037.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		: 3000.248
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		: 3000.248
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	: 5599.55
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1843672 kB
Buffers:         35044 kB
Cached:          84536 kB
SwapCached:       5520 kB
Active:          69180 kB
Inactive:        63256 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1843672 kB
SwapTotal:     4192956 kB
SwapFree:      4140192 kB
Dirty:            3224 kB
Writeback:           0 kB
AnonPages:       11532 kB
Mapped:          11800 kB
Slab:            60928 kB
PageTables:       4120 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181264 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= 62488 MiB
End job on node037 at 2010-06-26 00:51:45