Trace number 2682282

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) 50.3623 50.5963

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/fctp/normalized-mps-v2-20-10-n370e.opb
MD5SUM2ed7df63a411bcdd93a5895df0fcaa15
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark11864971985
Best CPU time to get the best result obtained on this benchmark1800.74
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 4571140278
Optimality of the best value was proved NO
Number of variables155000
Total number of constraints5150
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 constraints5150
Minimum length of a constraint31
Maximum length of a constraint3000
Number of terms in the objective function 155000
Biggest coefficient in the objective function 4294967296
Number of bits for the biggest coefficient in the objective function 33
Sum of the numbers in the objective function 29700464693312
Number of bits of the sum of numbers in the objective function 45
Biggest number in a constraint 4294967296
Number of bits of the biggest number in a constraint 33
Biggest sum of numbers in a constraint 29700464693312
Number of bits of the biggest sum of numbers45
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
2.49/2.53	c constraints 5150/0 clauses 0/0 units 59624
2.49/2.53	c vars 155000
28.78/28.84	c objective 123174 + 0
50.17/50.42	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-2682282-1277484301/watcher-2682282-1277484301 -o /tmp/evaluation-result-2682282-1277484301/solver-2682282-1277484301 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682282-1277484301.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: 0.92 0.98 0.93 2/105 31681
/proc/meminfo: memFree=1793376/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=2416 CPUtime=0
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 299 0 0 0 0 0 0 0 21 0 1 0 89723690 2473984 218 1992294400 134512640 136421960 4290942096 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 604 218 138 467 0 135 0

[startup+0.068488 s]
/proc/loadavg: 0.92 0.98 0.93 2/105 31681
/proc/meminfo: memFree=1793376/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=4008 CPUtime=0.06
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 857 0 0 0 6 0 0 0 24 0 1 0 89723690 4104192 629 1992294400 134512640 136421960 4290942096 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 1002 629 138 467 0 533 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4008

[startup+0.101491 s]
/proc/loadavg: 0.92 0.98 0.93 2/105 31681
/proc/meminfo: memFree=1793376/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=5864 CPUtime=0.09
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 1360 0 0 0 9 0 0 0 24 0 1 0 89723690 6004736 906 1992294400 134512640 136421960 4290942096 18446744073709551615 135203964 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 1466 906 138 467 0 997 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5864

[startup+0.301512 s]
/proc/loadavg: 0.92 0.98 0.93 2/105 31681
/proc/meminfo: memFree=1793376/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=15076 CPUtime=0.29
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 3842 0 0 0 28 1 0 0 25 0 1 0 89723690 15437824 2938 1992294400 134512640 136421960 4290942096 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 3769 2942 138 467 0 3300 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15076

[startup+0.701554 s]
/proc/loadavg: 0.92 0.98 0.93 2/105 31681
/proc/meminfo: memFree=1793376/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=17376 CPUtime=0.69
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 5042 0 0 0 67 2 0 0 25 0 1 0 89723690 17793024 3111 1992294400 134512640 136421960 4290942096 18446744073709551615 135810706 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 4344 3111 144 467 0 3875 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17376

[startup+1.50164 s]
/proc/loadavg: 0.92 0.98 0.93 2/106 31682
/proc/meminfo: memFree=1774396/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=37628 CPUtime=1.49
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 9715 0 0 0 146 3 0 0 25 0 1 0 89723690 38531072 7784 1992294400 134512640 136421960 4290942096 18446744073709551615 135810740 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 9407 7785 146 467 0 8938 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 37628

[startup+3.10081 s]
/proc/loadavg: 0.92 0.98 0.93 2/106 31682
/proc/meminfo: memFree=1750340/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=49432 CPUtime=3.09
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 12648 0 0 0 304 5 0 0 25 0 1 0 89723690 50618368 10717 1992294400 134512640 136421960 4290942096 18446744073709551615 135161837 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 12358 10717 150 467 0 11889 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 49432

[startup+6.30114 s]
/proc/loadavg: 1.01 1.00 0.94 2/106 31682
/proc/meminfo: memFree=1750340/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=49432 CPUtime=6.29
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 12648 0 0 0 624 5 0 0 25 0 1 0 89723690 50618368 10717 1992294400 134512640 136421960 4290942096 18446744073709551615 135161837 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 12358 10717 150 467 0 11889 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 49432

[startup+12.7008 s]
/proc/loadavg: 1.01 1.00 0.94 2/106 31684
/proc/meminfo: memFree=1750340/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=49432 CPUtime=12.69
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 12648 0 0 0 1264 5 0 0 25 0 1 0 89723690 50618368 10717 1992294400 134512640 136421960 4290942096 18446744073709551615 135161776 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 12358 10717 150 467 0 11889 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 49432

[startup+25.5012 s]
/proc/loadavg: 1.00 1.00 0.94 2/106 31684
/proc/meminfo: memFree=1750340/2059040 swapFree=4139628/4192956
[pid=31681] ppid=31679 vsize=49432 CPUtime=25.48
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4202496 12648 0 0 0 2543 5 0 0 25 0 1 0 89723690 50618368 10717 1992294400 134512640 136421960 4290942096 18446744073709551615 135161782 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31681/statm: 12358 10717 150 467 0 11889 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 49432



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+50.4018 s]
/proc/loadavg: 1.00 1.00 0.94 3/106 31684
/proc/meminfo: memFree=7880/2059040 swapFree=4139112/4192956
[pid=31681] ppid=31679 vsize=1861248 CPUtime=50.17
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4204544 493042 0 0 0 4797 220 0 0 25 0 1 0 89723690 1905917952 463313 1992294400 134512640 136421960 4290942096 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 0 0 0 20
/proc/31681/statm: 465312 463313 196 467 0 464843 0
Current children cumulated CPU time (s) 50.17
Current children cumulated vsize (KiB) 1861248

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

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

[startup+50.5198 s]
/proc/loadavg: 1.00 1.00 0.94 3/106 31684
/proc/meminfo: memFree=7880/2059040 swapFree=4139112/4192956
[pid=31681] ppid=31679 vsize=0 CPUtime=50.27
/proc/31681/stat : 31681 (pbct) R 31679 31681 31166 0 -1 4194308 493057 0 0 0 4797 230 0 0 25 0 1 0 89723690 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 20
/proc/31681/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 50.27
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 50.5963
CPU time (s): 50.3623
CPU user time (s): 47.9767
CPU system time (s): 2.38564
CPU usage (%): 99.5376
Max. virtual memory (cumulated for all children) (KiB): 1861248

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 47.9767
system time used= 2.38564
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 493057
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= 650

runsolver used 0.090986 second user time and 0.267959 second system time

The end

Launcher Data 

Begin job on node082 at 2010-06-25 18:45:02
IDJOB=2682282
IDBENCH=2292
IDSOLVER=1192
FILE ID=node082/2682282-1277484301
PBS_JOBID= 11190486
Free space on /tmp= 62352 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-n370e.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682282-1277484301/watcher-2682282-1277484301 -o /tmp/evaluation-result-2682282-1277484301/solver-2682282-1277484301 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682282-1277484301.opb

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

MD5SUM BENCH= 2ed7df63a411bcdd93a5895df0fcaa15
RANDOM SEED=1532106623

node082.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		: 3000.215
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	: 6000.43
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		: 3000.215
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	: 5999.41
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1793896 kB
Buffers:         31128 kB
Cached:         131596 kB
SwapCached:       6156 kB
Active:          79552 kB
Inactive:        96720 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1793896 kB
SwapTotal:     4192956 kB
SwapFree:      4139628 kB
Dirty:           10428 kB
Writeback:           0 kB
AnonPages:       12204 kB
Mapped:          11860 kB
Slab:            67084 kB
PageTables:       4136 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182544 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62348 MiB
End job on node082 at 2010-06-25 18:45:54