Trace number 2082494

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 0.3.2SAT 120.24 121.391

DiagnosticValue
ASSIGNMENTS11885

General information on the benchmark

Namecsp/rand-8-20-5/
normalized-rand-8-20-5-18-800-11_ext.xml
MD5SUM9a1e5061af5a11aec5f3135ecda7e6f0
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark13.7199
Satisfiable
(Un)Satisfiability was proved
Number of variables20
Number of constraints18
Maximum constraint arity8
Maximum domain size5
Number of constraints which are defined in extension18
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.13/0.27	c small-domain mode
0.13/0.27	c Seed is 2145632811
0.13/0.27	c Constructing HOME/instance-2082494-1247721291.xml  with 18 constraints
7.99/8.13	c Solving 11885 backtracks 14 restarts
120.13/121.39	s SATISFIABLE
120.13/121.39	c V0=0, V1=2, V2=3, V3=3, V4=2, V5=0, V6=2, V7=0, V8=4, V9=0, V10=4, V11=2, V12=3, V13=0, V14=4, V15=1, V16=1, V17=4, V18=0, V19=1, 
120.13/121.39	v 0 2 3 3 2 0 2 0 4 0 4 2 3 0 4 1 1 4 0 1 
120.13/121.39	d ASSIGNMENTS 11885

Verifier Data 

OK

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2082494-1247721291/watcher-2082494-1247721291 -o /tmp/evaluation-result-2082494-1247721291/solver-2082494-1247721291 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 2145632811 HOME/instance-2082494-1247721291.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: 2.16 2.06 2.01 4/81 17739
/proc/meminfo: memFree=1241744/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=5356 CPUtime=0
/proc/17739/stat : 17739 (pcssolve) R 17737 17739 16829 0 -1 4194304 290 0 0 0 0 0 0 0 21 0 1 0 59195293 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 254195329695 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/17739/statm: 1339 241 200 169 0 50 0
[pid=17740] ppid=17739 vsize=3676 CPUtime=0
/proc/17740/stat : 17740 (fgrep) R 17739 17739 16829 0 -1 4194304 144 0 0 0 0 0 0 0 22 0 1 0 59195294 3764224 111 996147200 4194304 4274172 548682068976 18446744073709551615 254195499090 0 0 4096 0 0 0 0 17 1 0 0
/proc/17740/statm: 919 111 85 19 0 43 0
[pid=17741] ppid=17739 vsize=5356 CPUtime=0
/proc/17741/stat : 17741 (pcssolve) R 17739 17739 16829 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 59195294 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 254195329695 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/17741/statm: 1339 241 200 169 0 50 0

[startup+0.0310839 s]
/proc/loadavg: 2.16 2.06 2.01 4/81 17739
/proc/meminfo: memFree=1241744/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=5356 CPUtime=0
/proc/17739/stat : 17739 (pcssolve) S 17737 17739 16829 0 -1 4194304 305 0 0 0 0 0 0 0 21 0 1 0 59195293 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 254195327812 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17739/statm: 1339 242 201 169 0 50 0
[pid=17740] ppid=17739 vsize=5732 CPUtime=0.01
/proc/17740/stat : 17740 (fgrep) R 17739 17739 16829 0 -1 4194304 1163 0 0 0 0 1 0 0 22 0 1 0 59195294 5869568 646 996147200 4194304 4274172 548682068976 18446744073709551615 4243374 0 0 4096 0 0 0 0 17 1 0 0
/proc/17740/statm: 1433 646 88 19 0 557 0
[pid=17741] ppid=17739 vsize=5356 CPUtime=0
/proc/17741/stat : 17741 (pcssolve) R 17739 17739 16829 0 -1 4194368 22 0 0 0 0 0 0 0 23 0 1 0 59195294 5484544 244 996147200 4194304 4889804 548682068800 18446744073709551615 254195330343 0 0 4096 0 0 0 0 17 1 0 0
/proc/17741/statm: 1339 244 203 169 0 50 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 16444

[startup+0.101089 s]
/proc/loadavg: 2.16 2.06 2.01 4/81 17739
/proc/meminfo: memFree=1241744/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=5356 CPUtime=0.07
/proc/17739/stat : 17739 (pcssolve) S 17737 17739 16829 0 -1 4194304 339 1332 0 0 0 0 4 3 18 0 1 0 59195293 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 254195327812 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17739/statm: 1339 242 201 169 0 50 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5356

[startup+0.301095 s]
/proc/loadavg: 2.16 2.06 2.01 4/81 17739
/proc/meminfo: memFree=1241744/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=5688 CPUtime=0.27
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 926 3866 0 0 2 0 17 8 17 0 1 0 59195293 5824512 535 996147200 134512640 135095119 4294956304 18446744073709551615 134739389 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 1422 535 361 142 0 376 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 5688

[startup+0.701133 s]
/proc/loadavg: 2.16 2.06 2.01 4/81 17739
/proc/meminfo: memFree=1241744/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=11096 CPUtime=0.67
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 2998 3866 0 0 42 0 17 8 21 0 1 0 59195293 11362304 2104 996147200 134512640 135095119 4294956304 18446744073709551615 134914415 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 2774 2104 375 142 0 1728 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 11096

[startup+1.50118 s]
/proc/loadavg: 2.15 2.06 2.01 3/82 17745
/proc/meminfo: memFree=1232776/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=19688 CPUtime=1.45
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 5275 3866 0 0 118 2 17 8 25 0 1 0 59195293 20160512 3302 996147200 134512640 135095119 4294956304 18446744073709551615 134944940 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 4922 3302 375 142 0 3876 0
Current children cumulated CPU time (s) 1.45
Current children cumulated vsize (KiB) 19688

[startup+3.1013 s]
/proc/loadavg: 2.15 2.06 2.01 3/82 17745
/proc/meminfo: memFree=1225672/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=35916 CPUtime=3.04
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 9207 3866 0 0 275 4 17 8 25 0 1 0 59195293 36777984 5577 996147200 134512640 135095119 4294956304 18446744073709551615 134694549 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 8979 5577 375 142 0 7933 0
Current children cumulated CPU time (s) 3.04
Current children cumulated vsize (KiB) 35916

[startup+6.30153 s]
/proc/loadavg: 2.15 2.06 2.01 3/82 17745
/proc/meminfo: memFree=1205128/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=70588 CPUtime=6.2
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 18540 3866 0 0 586 9 17 8 25 0 1 0 59195293 72282112 11007 996147200 134512640 135095119 4294956304 18446744073709551615 134944936 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 17647 11007 375 142 0 16601 0
Current children cumulated CPU time (s) 6.2
Current children cumulated vsize (KiB) 70588

[startup+12.703 s]
/proc/loadavg: 2.12 2.06 2.01 3/82 17745
/proc/meminfo: memFree=1187720/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=58112 CPUtime=12.55
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23574 3866 0 0 1218 12 17 8 25 0 1 0 59195293 59506688 13878 996147200 134512640 135095119 4294956304 18446744073709551615 134918166 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14528 13878 389 142 0 13482 0
Current children cumulated CPU time (s) 12.55
Current children cumulated vsize (KiB) 58112

[startup+25.5019 s]
/proc/loadavg: 2.10 2.06 2.01 3/82 17745
/proc/meminfo: memFree=1187848/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=58112 CPUtime=25.23
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23574 3866 0 0 2486 12 17 8 25 0 1 0 59195293 59506688 13878 996147200 134512640 135095119 4294956304 18446744073709551615 134918166 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14528 13878 389 142 0 13482 0
Current children cumulated CPU time (s) 25.23
Current children cumulated vsize (KiB) 58112

[startup+51.1018 s]
/proc/loadavg: 2.07 2.05 2.01 3/82 17745
/proc/meminfo: memFree=1187912/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=58112 CPUtime=50.59
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23574 3866 0 0 5022 12 17 8 25 0 1 0 59195293 59506688 13878 996147200 134512640 135095119 4294956304 18446744073709551615 134918233 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14528 13878 389 142 0 13482 0
Current children cumulated CPU time (s) 50.59
Current children cumulated vsize (KiB) 58112

[startup+102.306 s]
/proc/loadavg: 2.02 2.04 2.00 3/82 17745
/proc/meminfo: memFree=1187784/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=58112 CPUtime=101.31
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23574 3866 0 0 10094 12 17 8 25 0 1 0 59195293 59506688 13878 996147200 134512640 135095119 4294956304 18446744073709551615 134918166 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14528 13878 389 142 0 13482 0
Current children cumulated CPU time (s) 101.31
Current children cumulated vsize (KiB) 58112

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

[startup+115.102 s]
/proc/loadavg: 2.02 2.04 2.00 3/82 17745
/proc/meminfo: memFree=1187272/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=59140 CPUtime=113.99
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23717 3866 0 0 11362 12 17 8 25 0 1 0 59195293 60559360 14021 996147200 134512640 135095119 4294956304 18446744073709551615 134918166 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14785 14021 389 142 0 13739 0
Current children cumulated CPU time (s) 113.99
Current children cumulated vsize (KiB) 59140

[startup+118.302 s]
/proc/loadavg: 2.02 2.04 2.00 3/82 17745
/proc/meminfo: memFree=1187272/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=59140 CPUtime=117.16
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23722 3866 0 0 11679 12 17 8 25 0 1 0 59195293 60559360 14026 996147200 134512640 135095119 4294956304 18446744073709551615 134918253 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14785 14026 389 142 0 13739 0
Current children cumulated CPU time (s) 117.16
Current children cumulated vsize (KiB) 59140

[startup+119.907 s]
/proc/loadavg: 2.02 2.04 2.00 3/82 17745
/proc/meminfo: memFree=1187272/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=59140 CPUtime=118.75
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23724 3866 0 0 11838 12 17 8 25 0 1 0 59195293 60559360 14028 996147200 134512640 135095119 4294956304 18446744073709551615 134927018 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14785 14028 389 142 0 13739 0
Current children cumulated CPU time (s) 118.75
Current children cumulated vsize (KiB) 59140

[startup+120.702 s]
/proc/loadavg: 2.02 2.04 2.00 3/82 17745
/proc/meminfo: memFree=1187272/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=59140 CPUtime=119.54
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23725 3866 0 0 11917 12 17 8 25 0 1 0 59195293 60559360 14029 996147200 134512640 135095119 4294956304 18446744073709551615 134918271 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14785 14029 389 142 0 13739 0
Current children cumulated CPU time (s) 119.54
Current children cumulated vsize (KiB) 59140

[startup+121.102 s]
/proc/loadavg: 2.02 2.04 2.00 3/82 17745
/proc/meminfo: memFree=1187272/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=59140 CPUtime=119.93
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23726 3866 0 0 11956 12 17 8 25 0 1 0 59195293 60559360 14030 996147200 134512640 135095119 4294956304 18446744073709551615 134918253 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14785 14030 389 142 0 13739 0
Current children cumulated CPU time (s) 119.93
Current children cumulated vsize (KiB) 59140

[startup+121.302 s]
/proc/loadavg: 2.02 2.04 2.00 3/82 17745
/proc/meminfo: memFree=1187272/2055920 swapFree=4192812/4192956
[pid=17739] ppid=17737 vsize=59140 CPUtime=120.13
/proc/17739/stat : 17739 (pcs.small) R 17737 17739 16829 0 -1 4194304 23726 3866 0 0 11976 12 17 8 25 0 1 0 59195293 60559360 14030 996147200 134512640 135095119 4294956304 18446744073709551615 134918166 0 0 4096 0 0 0 0 17 1 0 0
/proc/17739/statm: 14785 14030 389 142 0 13739 0
Current children cumulated CPU time (s) 120.13
Current children cumulated vsize (KiB) 59140

Child status: 0
Real time (s): 121.391
CPU time (s): 120.24
CPU user time (s): 120.012
CPU system time (s): 0.227965
CPU usage (%): 99.0514
Max. virtual memory (cumulated for all children) (KiB): 89612

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 120.012
system time used= 0.227965
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 27595
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= 25
involuntary context switches= 2651

runsolver used 0.178972 second user time and 0.383941 second system time

The end

Launcher Data 

Begin job on node34 at 2009-07-16 07:14:53
IDJOB=2082494
IDBENCH=57590
IDSOLVER=733
FILE ID=node34/2082494-1247721291
PBS_JOBID= 9521418
Free space on /tmp= 66264 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/rand-8-20-5/normalized-rand-8-20-5-18-800-11_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2082494-1247721291/watcher-2082494-1247721291 -o /tmp/evaluation-result-2082494-1247721291/solver-2082494-1247721291 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 2145632811 HOME/instance-2082494-1247721291.xml

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

MD5SUM BENCH= 9a1e5061af5a11aec5f3135ecda7e6f0
RANDOM SEED=2145632811

node34.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		: 3000.232
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		: 3000.232
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:       1242224 kB
Buffers:        102200 kB
Cached:         370332 kB
SwapCached:          0 kB
Active:         328180 kB
Inactive:       388048 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1242224 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:           23748 kB
Writeback:           0 kB
Mapped:         264104 kB
Slab:            82132 kB
Committed_AS:   920828 kB
PageTables:       2276 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66264 MiB
End job on node34 at 2009-07-16 07:16:54