Trace number 2082330

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 0.3.2? (MO) 433.439 435.553

General information on the benchmark

Namecsp/langford2/
normalized-langford-2-14.xml
MD5SUM05b79466c1ca90e99abd9087a68fd106
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables28
Number of constraints392
Maximum constraint arity2
Maximum domain size28
Number of constraints which are defined in extension0
Number of constraints which are defined in intension392
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
0.17/0.21	c Seed is 125043842
0.17/0.21	c Constructing HOME/instance-2082330-1247720897.xml 
0.17/0.21	c deduced all_different(V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,V20,V21,V22,V23,V24,V25,V26,V27,V0)
0.17/0.21	c  with 393 constraints
0.17/0.21	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-2082330-1247720897/watcher-2082330-1247720897 -o /tmp/evaluation-result-2082330-1247720897/solver-2082330-1247720897 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 125043842 HOME/instance-2082330-1247720897.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: 2.06 2.03 2.00 4/82 20155
/proc/meminfo: memFree=1567672/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=18576 CPUtime=0
/proc/20155/stat : 20155 (runsolver) R 20153 20155 17507 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 59152433 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 271638392103 0 0 4096 24578 0 0 0 17 1 0 0
/proc/20155/statm: 4644 284 249 26 0 2626 0

[startup+0.164101 s]
/proc/loadavg: 2.06 2.03 2.00 4/82 20155
/proc/meminfo: memFree=1567672/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=4884 CPUtime=0.13
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 942 826 0 0 13 0 0 0 18 0 1 0 59152433 5001216 551 996147200 134512640 135215973 4294956304 18446744073709551615 7325307 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 1221 551 408 171 0 146 0
Current children cumulated CPU time (s) 0.13
Current children cumulated vsize (KiB) 4884

[startup+0.201103 s]
/proc/loadavg: 2.06 2.03 2.00 4/82 20155
/proc/meminfo: memFree=1567672/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=4884 CPUtime=0.17
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 960 826 0 0 17 0 0 0 18 0 1 0 59152433 5001216 569 996147200 134512640 135215973 4294956304 18446744073709551615 134592165 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 1221 569 408 171 0 146 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 4884

[startup+0.301113 s]
/proc/loadavg: 2.06 2.03 2.00 4/82 20155
/proc/meminfo: memFree=1567672/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=5140 CPUtime=0.27
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 1012 826 0 0 27 0 0 0 19 0 1 0 59152433 5263360 621 996147200 134512640 135215973 4294956304 18446744073709551615 134566525 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 1285 621 408 171 0 210 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 5140

[startup+0.701154 s]
/proc/loadavg: 2.06 2.03 2.00 4/82 20155
/proc/meminfo: memFree=1567672/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=6312 CPUtime=0.68
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 1270 826 0 0 67 1 0 0 23 0 1 0 59152433 6463488 879 996147200 134512640 135215973 4294956304 18446744073709551615 134599873 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 1578 879 408 171 0 503 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 6312

[startup+1.50124 s]
/proc/loadavg: 2.05 2.03 2.00 3/83 20161
/proc/meminfo: memFree=1564864/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=7996 CPUtime=1.47
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 1724 826 0 0 146 1 0 0 25 0 1 0 59152433 8187904 1300 996147200 134512640 135215973 4294956304 18446744073709551615 4158961150 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 1999 1300 408 171 0 924 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 7996

[startup+3.1014 s]
/proc/loadavg: 2.05 2.03 2.00 3/83 20161
/proc/meminfo: memFree=1562432/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=11740 CPUtime=3.06
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 2689 826 0 0 304 2 0 0 25 0 1 0 59152433 12021760 2200 996147200 134512640 135215973 4294956304 18446744073709551615 7325307 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 2935 2200 408 171 0 1860 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 11740

[startup+6.30273 s]
/proc/loadavg: 2.05 2.03 2.00 3/83 20161
/proc/meminfo: memFree=1554952/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=19120 CPUtime=6.25
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 4634 826 0 0 622 3 0 0 25 0 1 0 59152433 19578880 3983 996147200 134512640 135215973 4294956304 18446744073709551615 134901850 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 4780 3983 408 171 0 3705 0
Current children cumulated CPU time (s) 6.25
Current children cumulated vsize (KiB) 19120

[startup+12.7014 s]
/proc/loadavg: 2.04 2.02 2.00 3/83 20161
/proc/meminfo: memFree=1540680/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=33356 CPUtime=12.62
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 8425 826 0 0 1256 6 0 0 25 0 1 0 59152433 34156544 7452 996147200 134512640 135215973 4294956304 18446744073709551615 134587951 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 8339 7452 408 171 0 7264 0
Current children cumulated CPU time (s) 12.62
Current children cumulated vsize (KiB) 33356

[startup+25.5017 s]
/proc/loadavg: 2.04 2.02 2.00 3/83 20161
/proc/meminfo: memFree=1511496/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=62584 CPUtime=25.36
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 16121 826 0 0 2526 10 0 0 25 0 1 0 59152433 64086016 14506 996147200 134512640 135215973 4294956304 18446744073709551615 7356002 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 15646 14506 408 171 0 14571 0
Current children cumulated CPU time (s) 25.36
Current children cumulated vsize (KiB) 62584

[startup+51.1013 s]
/proc/loadavg: 2.02 2.02 2.00 3/82 20161
/proc/meminfo: memFree=1458952/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=117188 CPUtime=50.83
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 30552 826 0 0 5064 19 0 0 25 0 1 0 59152433 120000512 27655 996147200 134512640 135215973 4294956304 18446744073709551615 134533052 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 29297 27655 408 171 0 28222 0
Current children cumulated CPU time (s) 50.83
Current children cumulated vsize (KiB) 117188

[startup+102.302 s]
/proc/loadavg: 2.01 2.02 2.00 3/82 20161
/proc/meminfo: memFree=1348808/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=230600 CPUtime=101.79
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 60335 826 0 0 10140 39 0 0 25 0 1 0 59152433 236134400 54876 996147200 134512640 135215973 4294956304 18446744073709551615 7323489 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 57650 54876 408 171 0 56575 0
Current children cumulated CPU time (s) 101.79
Current children cumulated vsize (KiB) 230600

[startup+162.302 s]
/proc/loadavg: 2.00 2.01 2.00 3/82 20161
/proc/meminfo: memFree=1223880/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=353496 CPUtime=161.49
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 92819 826 0 0 16090 59 0 0 25 0 1 0 59152433 361979904 86335 996147200 134512640 135215973 4294956304 18446744073709551615 7323132 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 88374 86335 408 171 0 87299 0
Current children cumulated CPU time (s) 161.49
Current children cumulated vsize (KiB) 353496

[startup+222.306 s]
/proc/loadavg: 2.00 2.00 2.00 3/82 20161
/proc/meminfo: memFree=1107400/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=478080 CPUtime=221.2
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 125720 826 0 0 22039 81 0 0 25 0 1 0 59152433 489553920 115139 996147200 134512640 135215973 4294956304 18446744073709551615 134742278 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 119520 115139 408 171 0 118445 0
Current children cumulated CPU time (s) 221.2
Current children cumulated vsize (KiB) 478080

[startup+282.302 s]
/proc/loadavg: 2.00 2.00 2.00 3/82 20161
/proc/meminfo: memFree=989128/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=590232 CPUtime=280.91
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 155521 826 0 0 27994 97 0 0 25 0 1 0 59152433 604397568 144940 996147200 134512640 135215973 4294956304 18446744073709551615 7325307 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 147558 144940 408 171 0 146483 0
Current children cumulated CPU time (s) 280.91
Current children cumulated vsize (KiB) 590232

[startup+342.301 s]
/proc/loadavg: 2.00 2.00 2.00 3/82 20161
/proc/meminfo: memFree=859848/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=719664 CPUtime=340.62
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 189577 826 0 0 33946 116 0 0 25 0 1 0 59152433 736935936 176947 996147200 134512640 135215973 4294956304 18446744073709551615 134524388 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 179916 176947 408 171 0 178841 0
Current children cumulated CPU time (s) 340.62
Current children cumulated vsize (KiB) 719664

[startup+402.301 s]
/proc/loadavg: 2.00 2.00 2.00 3/82 20161
/proc/meminfo: memFree=744712/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=861920 CPUtime=400.33
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 226742 826 0 0 39893 140 0 0 25 0 1 0 59152433 882606080 205919 996147200 134512640 135215973 4294956304 18446744073709551615 134583653 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 215480 205919 408 171 0 214405 0
Current children cumulated CPU time (s) 400.33
Current children cumulated vsize (KiB) 861920



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+435.402 s]
/proc/loadavg: 2.00 2.00 2.00 3/82 20161
/proc/meminfo: memFree=679688/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=921712 CPUtime=433.28
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4194304 242603 826 0 0 43179 149 0 0 25 0 1 0 59152433 943833088 221780 996147200 134512640 135215973 4294956304 18446744073709551615 134617251 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 230428 221780 408 171 0 229353 0
Current children cumulated CPU time (s) 433.28
Current children cumulated vsize (KiB) 921712

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

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

[startup+435.507 s]
/proc/loadavg: 2.00 2.00 2.00 3/82 20161
/proc/meminfo: memFree=679688/2055920 swapFree=4192812/4192956
[pid=20155] ppid=20153 vsize=0 CPUtime=433.38
/proc/20155/stat : 20155 (pcs.big) R 20153 20155 17507 0 -1 4195332 242603 826 0 0 43179 159 0 0 25 0 1 0 59152433 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/20155/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 433.38
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 435.553
CPU time (s): 433.439
CPU user time (s): 431.795
CPU system time (s): 1.64375
CPU usage (%): 99.5146
Max. virtual memory (cumulated for all children) (KiB): 921712

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 431.795
system time used= 1.64375
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 243429
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= 22
involuntary context switches= 13258

runsolver used 0.473927 second user time and 1.12683 second system time

The end

Launcher Data 

Begin job on node67 at 2009-07-16 07:08:17
IDJOB=2082330
IDBENCH=57572
IDSOLVER=734
FILE ID=node67/2082330-1247720897
PBS_JOBID= 9521463
Free space on /tmp= 66332 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/langford2/normalized-langford-2-14.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2082330-1247720897/watcher-2082330-1247720897 -o /tmp/evaluation-result-2082330-1247720897/solver-2082330-1247720897 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 125043842 HOME/instance-2082330-1247720897.xml

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

MD5SUM BENCH= 05b79466c1ca90e99abd9087a68fd106
RANDOM SEED=125043842

node67.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		: 3000.239
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		: 3000.239
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:       1568152 kB
Buffers:         75168 kB
Cached:         265308 kB
SwapCached:          0 kB
Active:         148068 kB
Inactive:       265364 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1568152 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2236 kB
Writeback:           0 kB
Mapped:          93400 kB
Slab:            59248 kB
Committed_AS:   565532 kB
PageTables:       2008 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= 66332 MiB
End job on node67 at 2009-07-16 07:15:34