Trace number 2066236

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
pcs 0.3.2? (MO) 160.575 162.154

General information on the benchmark

Namecsp/pseudo/chnl/
normalized-chnl-10-15.xml
MD5SUM3cfc3f209680dfb37f186af7d36d0e99
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark3.63345
Satisfiable
(Un)Satisfiability was proved
Number of variables300
Number of constraints50
Maximum constraint arity15
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension50
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c has operations which may create big domains
0.00/0.01	c big-domain mode
0.17/0.20	c Seed is 22697150
0.17/0.20	c Constructing HOME/instance-2066236-1247704595.xml  with 900 constraints
0.17/0.20	c Solving

Verifier Data 

ERROR: Unexpected answer ! ('s SATISFIABLE'/'s UNSATISFIABLE' expected)
Got answer: <no 's ' line 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-2066236-1247704595/watcher-2066236-1247704595 -o /tmp/evaluation-result-2066236-1247704595/solver-2066236-1247704595 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 22697150 HOME/instance-2066236-1247704595.xml 

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): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.95 2.02 1.93 4/83 18462
/proc/meminfo: memFree=833432/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=5356 CPUtime=0
/proc/18462/stat : 18462 (pcssolve) R 18460 18462 17118 0 -1 4194304 273 0 0 0 0 0 0 0 20 0 1 0 57150809 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 264519608991 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/18462/statm: 1339 241 200 169 0 50 0
[pid=18463] ppid=18462 vsize=5356 CPUtime=0
/proc/18463/stat : 18463 (pcssolve) R 18462 18462 17118 0 -1 4194368 0 0 0 0 0 0 0 0 20 0 1 0 57150809 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 264519608991 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/18463/statm: 1339 241 200 169 0 50 0

[startup+0.08456 s]
/proc/loadavg: 1.95 2.02 1.93 4/83 18462
/proc/meminfo: memFree=833432/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=5420 CPUtime=0.06
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 1075 817 0 0 6 0 0 0 18 0 1 0 57150809 5550080 683 996147200 134512640 135215973 4294956320 18446744073709551615 4158960027 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 1355 683 409 171 0 280 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5420

[startup+0.101554 s]
/proc/loadavg: 1.95 2.02 1.93 4/83 18462
/proc/meminfo: memFree=833432/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=5552 CPUtime=0.07
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 1083 817 0 0 7 0 0 0 18 0 1 0 57150809 5685248 691 996147200 134512640 135215973 4294956320 18446744073709551615 134581456 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 1388 691 409 171 0 313 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5552

[startup+0.301576 s]
/proc/loadavg: 1.95 2.02 1.93 4/83 18462
/proc/meminfo: memFree=833432/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=6476 CPUtime=0.27
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 1325 817 0 0 27 0 0 0 19 0 1 0 57150809 6631424 933 996147200 134512640 135215973 4294956320 18446744073709551615 134902035 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 1619 933 409 171 0 544 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 6476

[startup+0.701627 s]
/proc/loadavg: 1.95 2.02 1.93 4/83 18462
/proc/meminfo: memFree=833432/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=8692 CPUtime=0.67
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 1846 817 0 0 67 0 0 0 23 0 1 0 57150809 8900608 1454 996147200 134512640 135215973 4294956320 18446744073709551615 134532674 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 2173 1454 409 171 0 1098 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 8692

[startup+1.50173 s]
/proc/loadavg: 1.95 2.02 1.93 3/84 18468
/proc/meminfo: memFree=827728/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=12860 CPUtime=1.47
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 2886 817 0 0 145 2 0 0 25 0 1 0 57150809 13168640 2494 996147200 134512640 135215973 4294956320 18446744073709551615 134591812 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 3215 2494 409 171 0 2140 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 12860

[startup+3.10194 s]
/proc/loadavg: 1.95 2.02 1.93 3/84 18468
/proc/meminfo: memFree=821648/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=21880 CPUtime=3.05
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 5217 817 0 0 302 3 0 0 25 0 1 0 57150809 22405120 4727 996147200 134512640 135215973 4294956320 18446744073709551615 134587669 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 5470 4727 409 171 0 4395 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 21880

[startup+6.30135 s]
/proc/loadavg: 1.95 2.02 1.93 3/84 18468
/proc/meminfo: memFree=803664/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=39164 CPUtime=6.22
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 9667 817 0 0 617 5 0 0 25 0 1 0 57150809 40103936 9015 996147200 134512640 135215973 4294956320 18446744073709551615 134588223 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 9791 9015 409 171 0 8716 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 39164

[startup+12.7012 s]
/proc/loadavg: 1.95 2.02 1.93 3/84 18468
/proc/meminfo: memFree=768080/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=73744 CPUtime=12.56
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 18576 817 0 0 1246 10 0 0 25 0 1 0 57150809 75513856 17602 996147200 134512640 135215973 4294956320 18446744073709551615 134532930 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 18436 17602 409 171 0 17361 0
Current children cumulated CPU time (s) 12.56
Current children cumulated vsize (KiB) 73744

[startup+25.5028 s]
/proc/loadavg: 1.96 2.01 1.93 3/84 18468
/proc/meminfo: memFree=695632/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=144520 CPUtime=25.24
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 36767 817 0 0 2502 22 0 0 25 0 1 0 57150809 147988480 35151 996147200 134512640 135215973 4294956320 18446744073709551615 134583607 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 36130 35151 409 171 0 35055 0
Current children cumulated CPU time (s) 25.24
Current children cumulated vsize (KiB) 144520

[startup+51.1021 s]
/proc/loadavg: 1.98 2.01 1.93 3/84 18468
/proc/meminfo: memFree=561744/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=280984 CPUtime=50.6
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 71844 817 0 0 5020 40 0 0 25 0 1 0 57150809 287727616 68946 996147200 134512640 135215973 4294956320 18446744073709551615 135095927 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 70246 68946 409 171 0 69171 0
Current children cumulated CPU time (s) 50.6
Current children cumulated vsize (KiB) 280984

[startup+102.308 s]
/proc/loadavg: 1.99 2.01 1.93 3/84 18468
/proc/meminfo: memFree=270288/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=571872 CPUtime=101.31
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 146509 817 0 0 10056 75 0 0 25 0 1 0 57150809 585596928 141049 996147200 134512640 135215973 4294956320 18446744073709551615 134532930 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 142968 141049 409 171 0 141893 0
Current children cumulated CPU time (s) 101.31
Current children cumulated vsize (KiB) 571872



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+162.002 s]
/proc/loadavg: 1.99 2.00 1.93 3/84 18468
/proc/meminfo: memFree=14928/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=921620 CPUtime=160.41
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4194304 236176 817 0 0 15919 122 0 0 25 0 1 0 57150809 943738880 226619 996147200 134512640 135215973 4294956320 18446744073709551615 134599858 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 230405 226619 409 171 0 229330 0
Current children cumulated CPU time (s) 160.41
Current children cumulated vsize (KiB) 921620

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

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

[startup+162.108 s]
/proc/loadavg: 1.99 2.00 1.93 3/84 18468
/proc/meminfo: memFree=14928/2055920 swapFree=4192812/4192956
[pid=18462] ppid=18460 vsize=0 CPUtime=160.51
/proc/18462/stat : 18462 (pcs.big) R 18460 18462 17118 0 -1 4195332 236176 817 0 0 15919 132 0 0 25 0 1 0 57150809 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/18462/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 160.51
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 162.154
CPU time (s): 160.575
CPU user time (s): 159.199
CPU system time (s): 1.37579
CPU usage (%): 99.0259
Max. virtual memory (cumulated for all children) (KiB): 921620

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 159.199
system time used= 1.37579
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 236993
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= 23
involuntary context switches= 6812

runsolver used 0.19297 second user time and 0.559914 second system time

The end

Launcher Data 

Begin job on node40 at 2009-07-16 02:36:35
IDJOB=2066236
IDBENCH=54496
IDSOLVER=733
FILE ID=node40/2066236-1247704595
PBS_JOBID= 9521231
Free space on /tmp= 66244 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/pseudo/chnl/normalized-chnl-10-15.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2066236-1247704595/watcher-2066236-1247704595 -o /tmp/evaluation-result-2066236-1247704595/solver-2066236-1247704595 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 22697150 HOME/instance-2066236-1247704595.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 3cfc3f209680dfb37f186af7d36d0e99
RANDOM SEED=22697150

node40.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		: 3000.213
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		: 3000.213
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:        833912 kB
Buffers:         59772 kB
Cached:        1002320 kB
SwapCached:          0 kB
Active:         174540 kB
Inactive:       965344 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        833912 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1760 kB
Writeback:           0 kB
Mapped:          98528 kB
Slab:            66920 kB
Committed_AS:   745156 kB
PageTables:       2060 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66244 MiB
End job on node40 at 2009-07-16 02:39:19