Trace number 2068503

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-restart 0.3.2UNSAT 1.3198 1.33832

DiagnosticValue
ASSIGNMENTS59

General information on the benchmark

Namecsp/pseudo/primesDimacs/
normalized-bf-1355-638.xml
MD5SUMbddb728f1bba9acd4b4d127996acf647
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 benchmark0.658898
Satisfiable
(Un)Satisfiability was proved
Number of variables4354
Number of constraints8940
Maximum constraint arity6
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension8940
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c has operations which may create big domains
0.00/0.02	c big-domain mode
0.00/0.05	c Seed is 437989642
0.00/0.05	c Constructing HOME/instance-2068503-1247706672.xml  with 25180 constraints
0.46/0.58	c Solving 59 backtracks 2 restarts
1.26/1.33	s UNSATISFIABLE
1.26/1.33	d ASSIGNMENTS 59

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2068503-1247706672/watcher-2068503-1247706672 -o /tmp/evaluation-result-2068503-1247706672/solver-2068503-1247706672 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 437989642 HOME/instance-2068503-1247706672.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: 1.92 2.00 1.99 4/83 11571
/proc/meminfo: memFree=675176/2055920 swapFree=4192812/4192956
[pid=11571] ppid=11569 vsize=5356 CPUtime=0
/proc/11571/stat : 11571 (pcssolve) R 11569 11571 9961 0 -1 4194304 290 0 0 0 0 0 0 0 19 0 1 0 57731847 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 251601152671 0 65538 4100 65536 0 0 0 17 0 0 0
/proc/11571/statm: 1339 241 200 169 0 50 0
[pid=11572] ppid=11571 vsize=5356 CPUtime=0
/proc/11572/stat : 11572 (pcssolve) R 11571 11571 9961 0 -1 4194368 19 0 0 0 0 0 0 0 19 0 1 0 57731847 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 4542830 0 0 4100 65536 0 0 0 17 0 0 0
/proc/11572/statm: 1339 242 201 169 0 50 0
[pid=11573] ppid=11571 vsize=5356 CPUtime=0
/proc/11573/stat : 11573 (pcssolve) R 11571 11571 9961 0 -1 4194368 0 0 0 0 0 0 0 0 19 0 1 0 57731847 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 251601152671 0 65538 4100 65536 0 0 0 17 0 0 0
/proc/11573/statm: 1339 241 200 169 0 50 0

[startup+0.100153 s]
/proc/loadavg: 1.92 2.00 1.99 4/83 11571
/proc/meminfo: memFree=675176/2055920 swapFree=4192812/4192956
[pid=11571] ppid=11569 vsize=6284 CPUtime=0.06
/proc/11571/stat : 11571 (pcs.big) R 11569 11571 9961 0 -1 4194304 1289 826 0 0 6 0 0 0 18 0 1 0 57731847 6434816 814 996147200 134512640 135215973 4294956304 18446744073709551615 4159137297 0 0 4096 0 0 0 0 17 1 0 0
/proc/11571/statm: 1571 814 385 171 0 496 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 6284

[startup+0.201166 s]
/proc/loadavg: 1.92 2.00 1.99 4/83 11571
/proc/meminfo: memFree=675176/2055920 swapFree=4192812/4192956
[pid=11571] ppid=11569 vsize=7828 CPUtime=0.16
/proc/11571/stat : 11571 (pcs.big) R 11569 11571 9961 0 -1 4194304 1744 826 0 0 16 0 0 0 18 0 1 0 57731847 8015872 1155 996147200 134512640 135215973 4294956304 18446744073709551615 4159744613 0 0 4096 0 0 0 0 17 1 0 0
/proc/11571/statm: 1957 1155 385 171 0 882 0
Current children cumulated CPU time (s) 0.16
Current children cumulated vsize (KiB) 7828

[startup+0.301175 s]
/proc/loadavg: 1.92 2.00 1.99 4/83 11571
/proc/meminfo: memFree=675176/2055920 swapFree=4192812/4192956
[pid=11571] ppid=11569 vsize=9072 CPUtime=0.26
/proc/11571/stat : 11571 (pcs.big) R 11569 11571 9961 0 -1 4194304 2162 826 0 0 26 0 0 0 19 0 1 0 57731847 9289728 1422 996147200 134512640 135215973 4294956304 18446744073709551615 4159337013 0 0 4096 0 0 0 0 17 1 0 0
/proc/11571/statm: 2268 1422 385 171 0 1193 0
Current children cumulated CPU time (s) 0.26
Current children cumulated vsize (KiB) 9072

[startup+0.701226 s]
/proc/loadavg: 1.92 2.00 1.99 4/83 11571
/proc/meminfo: memFree=675176/2055920 swapFree=4192812/4192956
[pid=11571] ppid=11569 vsize=18212 CPUtime=0.66
/proc/11571/stat : 11571 (pcs.big) R 11569 11571 9961 0 -1 4194304 5336 826 0 0 65 1 0 0 23 0 1 0 57731847 18649088 3519 996147200 134512640 135215973 4294956304 18446744073709551615 134524452 0 0 4096 0 0 0 0 17 1 0 0
/proc/11571/statm: 4553 3519 406 171 0 3478 0
Current children cumulated CPU time (s) 0.66
Current children cumulated vsize (KiB) 18212

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

[startup+0.801238 s]
/proc/loadavg: 1.92 2.00 1.99 4/83 11571
/proc/meminfo: memFree=675176/2055920 swapFree=4192812/4192956
[pid=11571] ppid=11569 vsize=20904 CPUtime=0.77
/proc/11571/stat : 11571 (pcs.big) R 11569 11571 9961 0 -1 4194304 6147 826 0 0 75 2 0 0 24 0 1 0 57731847 21405696 3913 996147200 134512640 135215973 4294956304 18446744073709551615 134983060 0 0 4096 0 0 0 0 17 1 0 0
/proc/11571/statm: 5226 3913 409 171 0 4151 0
Current children cumulated CPU time (s) 0.77
Current children cumulated vsize (KiB) 20904

[startup+1.20628 s]
/proc/loadavg: 1.92 2.00 1.99 3/84 11577
/proc/meminfo: memFree=660640/2055920 swapFree=4192812/4192956
[pid=11571] ppid=11569 vsize=21012 CPUtime=1.16
/proc/11571/stat : 11571 (pcs.big) R 11569 11571 9961 0 -1 4194304 6252 826 0 0 114 2 0 0 25 0 1 0 57731847 21516288 4016 996147200 134512640 135215973 4294956304 18446744073709551615 134982863 0 0 4096 0 0 0 0 17 1 0 0
/proc/11571/statm: 5253 4016 409 171 0 4178 0
Current children cumulated CPU time (s) 1.16
Current children cumulated vsize (KiB) 21012

[startup+1.30129 s]
/proc/loadavg: 1.92 2.00 1.99 3/84 11577
/proc/meminfo: memFree=660640/2055920 swapFree=4192812/4192956
[pid=11571] ppid=11569 vsize=21164 CPUtime=1.26
/proc/11571/stat : 11571 (pcs.big) R 11569 11571 9961 0 -1 4194304 6279 826 0 0 124 2 0 0 25 0 1 0 57731847 21671936 4043 996147200 134512640 135215973 4294956304 18446744073709551615 134533311 0 0 4096 0 0 0 0 17 1 0 0
/proc/11571/statm: 5291 4043 409 171 0 4216 0
Current children cumulated CPU time (s) 1.26
Current children cumulated vsize (KiB) 21164

Child status: 0
Real time (s): 1.33832
CPU time (s): 1.3198
CPU user time (s): 1.28181
CPU system time (s): 0.037994
CPU usage (%): 98.6162
Max. virtual memory (cumulated for all children) (KiB): 21164

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.2818
system time used= 0.037994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7108
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= 18
involuntary context switches= 68

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node91 at 2009-07-16 03:11:12
IDJOB=2068503
IDBENCH=54871
IDSOLVER=734
FILE ID=node91/2068503-1247706672
PBS_JOBID= 9521136
Free space on /tmp= 66196 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/pseudo/primesDimacs/normalized-bf-1355-638.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2068503-1247706672/watcher-2068503-1247706672 -o /tmp/evaluation-result-2068503-1247706672/solver-2068503-1247706672 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 437989642 HOME/instance-2068503-1247706672.xml

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

MD5SUM BENCH= bddb728f1bba9acd4b4d127996acf647
RANDOM SEED=437989642

node91.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		: 3000.241
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		: 3000.241
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:        675664 kB
Buffers:         79204 kB
Cached:         524840 kB
SwapCached:          0 kB
Active:         917044 kB
Inactive:       393204 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        675664 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3088 kB
Writeback:           0 kB
Mapped:         726608 kB
Slab:            53680 kB
Committed_AS:  1291516 kB
PageTables:       3248 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= 66196 MiB
End job on node91 at 2009-07-16 03:11:14