Trace number 2682147

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 fixed? (MO) 29.6545 29.7697

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/unibo/normalized-mps-v2-20-10-CMS750_4.opb
MD5SUM793a421e66649b71c1e582af22e89954
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark646144
Best CPU time to get the best result obtained on this benchmark1800.77
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 589824
Optimality of the best value was proved NO
Number of variables142226
Total number of constraints20881
Number of constraints which are clauses2438
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints18443
Minimum length of a constraint4
Maximum length of a constraint61
Number of terms in the objective function 780
Biggest coefficient in the objective function 536870912
Number of bits for the biggest coefficient in the objective function 30
Sum of the numbers in the objective function 1074509823
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 1024000000
Number of bits of the biggest number in a constraint 30
Biggest sum of numbers in a constraint 2147731454
Number of bits of the biggest sum of numbers32
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 PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
3.39/3.42	c constraints 18443/0 clauses 2438/0 units 0
3.39/3.42	c vars 142226
3.39/3.42	c objective 780 + -768000
29.46/29.59	s UNKNOWN

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2682147-1277485542/watcher-2682147-1277485542 -o /tmp/evaluation-result-2682147-1277485542/solver-2682147-1277485542 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682147-1277485542.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 0.93 3/106 30972
/proc/meminfo: memFree=1747892/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=2268 CPUtime=0
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 275 0 0 0 0 0 0 0 18 0 1 0 124158293 2322432 195 1992294400 134512640 136421960 4290731888 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30972/statm: 567 195 146 467 0 98 0

[startup+0.0546321 s]
/proc/loadavg: 1.00 1.00 0.93 3/106 30972
/proc/meminfo: memFree=1747892/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=3060 CPUtime=0.05
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 489 0 0 0 5 0 0 0 20 0 1 0 124158293 3133440 409 1992294400 134512640 136421960 4290731888 18446744073709551615 135809606 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30972/statm: 765 409 146 467 0 296 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3060

[startup+0.100636 s]
/proc/loadavg: 1.00 1.00 0.93 3/106 30972
/proc/meminfo: memFree=1747892/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=3984 CPUtime=0.09
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 700 0 0 0 9 0 0 0 20 0 1 0 124158293 4079616 620 1992294400 134512640 136421960 4290731888 18446744073709551615 135818462 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30972/statm: 996 620 146 467 0 527 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3984

[startup+0.300657 s]
/proc/loadavg: 1.00 1.00 0.93 3/106 30972
/proc/meminfo: memFree=1747892/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=7548 CPUtime=0.29
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 1612 0 0 0 28 1 0 0 20 0 1 0 124158293 7729152 1532 1992294400 134512640 136421960 4290731888 18446744073709551615 135818542 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30972/statm: 1887 1532 146 467 0 1418 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7548

[startup+0.700697 s]
/proc/loadavg: 1.00 1.00 0.93 3/106 30972
/proc/meminfo: memFree=1747892/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=15072 CPUtime=0.69
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 3502 0 0 0 67 2 0 0 20 0 1 0 124158293 15433728 3422 1992294400 134512640 136421960 4290731888 18446744073709551615 135378151 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30972/statm: 3768 3422 146 467 0 3299 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15072

[startup+1.50078 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 30973
/proc/meminfo: memFree=1728788/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=31192 CPUtime=1.49
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 7502 0 0 0 145 4 0 0 23 0 1 0 124158293 31940608 7422 1992294400 134512640 136421960 4290731888 18446744073709551615 135818467 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30972/statm: 7798 7423 146 467 0 7329 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 31192

[startup+3.10094 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 30973
/proc/meminfo: memFree=1706344/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=63264 CPUtime=3.09
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 15507 0 0 0 301 8 0 0 25 0 1 0 124158293 64782336 15427 1992294400 134512640 136421960 4290731888 18446744073709551615 135159026 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30972/statm: 15816 15427 146 467 0 15347 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 63264

[startup+6.30127 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 30973
/proc/meminfo: memFree=1502860/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=324248 CPUtime=6.29
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 83680 0 0 0 591 38 0 0 25 0 1 0 124158293 332029952 80558 1992294400 134512640 136421960 4290731888 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30972/statm: 81062 80559 195 467 0 80593 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 324248

[startup+12.7009 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 30975
/proc/meminfo: memFree=949820/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=849228 CPUtime=12.69
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 221561 0 0 0 1164 105 0 0 25 0 1 0 124158293 869609472 209542 1992294400 134512640 136421960 4290731888 18446744073709551615 135642821 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30972/statm: 212307 209543 195 467 0 211838 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 849228

[startup+25.5002 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 30975
/proc/meminfo: memFree=210780/2059040 swapFree=4135576/4192956
[pid=30972] ppid=30970 vsize=1560232 CPUtime=25.49
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 416531 0 0 0 2356 193 0 0 25 0 1 0 124158293 1597677568 388120 1992294400 134512640 136421960 4290731888 18446744073709551615 135809971 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30972/statm: 390058 388121 195 467 0 389589 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 1560232



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+29.582 s]
/proc/loadavg: 1.00 1.00 0.93 4/107 30975
/proc/meminfo: memFree=10616/2059040 swapFree=4135572/4192956
[pid=30972] ppid=30970 vsize=1847484 CPUtime=29.46
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4202496 492571 0 0 0 2718 228 0 0 25 0 1 0 124158293 1891823616 442913 1992294400 134512640 136421960 4290731888 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 10
/proc/30972/statm: 461871 442914 195 467 0 461402 0
Current children cumulated CPU time (s) 29.46
Current children cumulated vsize (KiB) 1847484

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+29.6097 s]
/proc/loadavg: 1.00 1.00 0.93 2/108 30976
/proc/meminfo: memFree=178876/2059040 swapFree=4135572/4192956
[pid=30972] ppid=30970 vsize=0 CPUtime=29.49
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4194308 492580 0 0 0 2718 231 0 0 25 0 1 0 124158293 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 10
/proc/30972/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 29.49
Current children cumulated vsize (KiB) 0

[startup+29.7087 s]
/proc/loadavg: 1.00 1.00 0.93 2/108 30976
/proc/meminfo: memFree=178876/2059040 swapFree=4135572/4192956
[pid=30972] ppid=30970 vsize=0 CPUtime=29.58
/proc/30972/stat : 30972 (pbct) R 30970 30972 30159 0 -1 4194308 492580 0 0 0 2718 240 0 0 25 0 1 0 124158293 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 10
/proc/30972/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 29.58
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 29.7697
CPU time (s): 29.6545
CPU user time (s): 27.1859
CPU system time (s): 2.46862
CPU usage (%): 99.6132
Max. virtual memory (cumulated for all children) (KiB): 1847484

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 27.1859
system time used= 2.46862
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 492580
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= 62

runsolver used 0.05999 second user time and 0.151976 second system time

The end

Launcher Data 

Begin job on node002 at 2010-06-25 19:05:43
IDJOB=2682147
IDBENCH=2360
IDSOLVER=1192
FILE ID=node002/2682147-1277485542
PBS_JOBID= 11190533
Free space on /tmp= 62400 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/pub/unibo/normalized-mps-v2-20-10-CMS750_4.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682147-1277485542/watcher-2682147-1277485542 -o /tmp/evaluation-result-2682147-1277485542/solver-2682147-1277485542 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682147-1277485542.opb

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

MD5SUM BENCH= 793a421e66649b71c1e582af22e89954
RANDOM SEED=959964620

node002.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		: 3000.242
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	: 6000.48
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		: 3000.242
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	: 5599.36
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1748420 kB
Buffers:         44504 kB
Cached:         165788 kB
SwapCached:       9840 kB
Active:          82620 kB
Inactive:       140592 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1748420 kB
SwapTotal:     4192956 kB
SwapFree:      4135576 kB
Dirty:           15664 kB
Writeback:           0 kB
AnonPages:       11536 kB
Mapped:           8316 kB
Slab:            65516 kB
PageTables:       4128 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181176 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= 62396 MiB
End job on node002 at 2010-06-25 19:06:15