Trace number 2080877

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) 420.263 423.041

General information on the benchmark

Namecsp/langford3/
normalized-langford-3-40.xml
MD5SUMf5050c7234c03b258393dcf49c452457
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 variables120
Number of constraints7220
Maximum constraint arity2
Maximum domain size120
Number of constraints which are defined in extension0
Number of constraints which are defined in intension7220
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c has big domains
0.00/0.01	c big-domain mode
0.09/0.11	c Seed is 1160153995
0.09/0.11	c Constructing HOME/instance-2080877-1247718922.xml 
0.18/0.24	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,V28,V29,V30,V31,V32,V33,V34,V35,V36,V37,V38,V39,V40,V41,V42,V43,V44,V45,V46,V47,V48,V49,V50,V51,V52,V53,V54,V55,V56,V57,V58,V59,V60,V61,V62,V63,V64,V65,V66,V67,V68,V69,V70,V71,V72,V73,V74,V75,V76,V77,V78,V79,V80,V81,V82,V83,V84,V85,V86,V87,V88,V89,V90,V91,V92,V93,V94,V95,V96,V97,V98,V99,V100,V101,V102,V103,V104,V105,V106,V107,V108,V109,V110,V111,V112,V113,V114,V115,V116,V117,V118,V119,V0)
0.18/0.24	c  with 7221 constraints
0.18/0.24	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-2080877-1247718922/watcher-2080877-1247718922 -o /tmp/evaluation-result-2080877-1247718922/solver-2080877-1247718922 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1160153995 HOME/instance-2080877-1247718922.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: 2.07 2.00 2.00 4/72 10988
/proc/meminfo: memFree=1419496/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=5356 CPUtime=0
/proc/10988/stat : 10988 (pcssolve) R 10986 10988 9057 0 -1 4194304 309 317 0 0 0 0 0 0 16 0 1 0 58954788 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 244276849311 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/10988/statm: 1339 242 201 169 0 50 0
[pid=10991] ppid=10988 vsize=3680 CPUtime=0
/proc/10991/stat : 10991 (fgrep) R 10988 10988 9057 0 -1 4194304 155 0 0 0 0 0 0 0 16 0 1 0 58954788 3768320 123 996147200 4194304 4274172 548682068976 18446744073709551615 244277018706 0 0 4096 0 0 0 0 17 1 0 0
/proc/10991/statm: 920 123 94 19 0 44 0

[startup+0.115844 s]
/proc/loadavg: 2.07 2.00 2.00 4/72 10988
/proc/meminfo: memFree=1419496/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=5136 CPUtime=0.09
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 957 656 0 0 9 0 0 0 19 0 1 0 58954788 5259264 588 996147200 134512640 135215973 4294956304 18446744073709551615 134773297 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 1284 588 384 171 0 209 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5136

[startup+0.201853 s]
/proc/loadavg: 2.07 2.00 2.00 4/72 10988
/proc/meminfo: memFree=1419496/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=5652 CPUtime=0.18
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 1118 656 0 0 17 1 0 0 19 0 1 0 58954788 5787648 716 996147200 134512640 135215973 4294956304 18446744073709551615 4159730072 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 1413 716 384 171 0 338 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 5652

[startup+0.30187 s]
/proc/loadavg: 2.07 2.00 2.00 4/72 10988
/proc/meminfo: memFree=1419496/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=7032 CPUtime=0.28
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 1474 656 0 0 27 1 0 0 20 0 1 0 58954788 7200768 1072 996147200 134512640 135215973 4294956304 18446744073709551615 134599868 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 1758 1072 406 171 0 683 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 7032

[startup+0.701914 s]
/proc/loadavg: 2.07 2.00 2.00 4/72 10988
/proc/meminfo: memFree=1419496/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=8804 CPUtime=0.68
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 1945 656 0 0 67 1 0 0 24 0 1 0 58954788 9015296 1490 996147200 134512640 135215973 4294956304 18446744073709551615 134533052 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 2201 1490 408 171 0 1126 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 8804

[startup+1.50201 s]
/proc/loadavg: 2.07 2.00 2.00 3/73 10993
/proc/meminfo: memFree=1413984/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=10852 CPUtime=1.47
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 2445 656 0 0 146 1 0 0 25 0 1 0 58954788 11112448 1990 996147200 134512640 135215973 4294956304 18446744073709551615 135095049 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 2713 1990 408 171 0 1638 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 10852

[startup+3.10119 s]
/proc/loadavg: 2.07 2.00 2.00 3/73 10993
/proc/meminfo: memFree=1411616/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=13728 CPUtime=3.07
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 3163 656 0 0 305 2 0 0 25 0 1 0 58954788 14057472 2708 996147200 134512640 135215973 4294956304 18446744073709551615 134599873 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 3432 2708 408 171 0 2357 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 13728

[startup+6.30255 s]
/proc/loadavg: 2.06 2.00 2.00 3/73 10993
/proc/meminfo: memFree=1401632/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=24600 CPUtime=6.24
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 5918 656 0 0 621 3 0 0 25 0 1 0 58954788 25190400 5430 996147200 134512640 135215973 4294956304 18446744073709551615 12967487 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 6150 5430 408 171 0 5075 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 24600

[startup+12.7013 s]
/proc/loadavg: 2.06 2.00 2.00 3/73 10993
/proc/meminfo: memFree=1388328/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=35924 CPUtime=12.59
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 8837 656 0 0 1255 4 0 0 25 0 1 0 58954788 36786176 8090 996147200 134512640 135215973 4294956304 18446744073709551615 134583659 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 8981 8090 408 171 0 7906 0
Current children cumulated CPU time (s) 12.59
Current children cumulated vsize (KiB) 35924

[startup+25.5017 s]
/proc/loadavg: 2.12 2.02 2.01 3/73 10993
/proc/meminfo: memFree=1340776/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=81080 CPUtime=25.29
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 20268 656 0 0 2519 10 0 0 25 0 1 0 58954788 83025920 19264 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 20270 19264 408 171 0 19195 0
Current children cumulated CPU time (s) 25.29
Current children cumulated vsize (KiB) 81080

[startup+51.1016 s]
/proc/loadavg: 2.08 2.01 2.00 3/73 10993
/proc/meminfo: memFree=1291496/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=127232 CPUtime=50.69
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 32123 656 0 0 5052 17 0 0 25 0 1 0 58954788 130285568 30606 996147200 134512640 135215973 4294956304 18446744073709551615 12931132 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 31808 30606 408 171 0 30733 0
Current children cumulated CPU time (s) 50.69
Current children cumulated vsize (KiB) 127232

[startup+102.301 s]
/proc/loadavg: 2.03 2.01 2.00 3/73 10993
/proc/meminfo: memFree=1172520/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=242044 CPUtime=101.51
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 61426 656 0 0 10119 32 0 0 25 0 1 0 58954788 247853056 58755 996147200 134512640 135215973 4294956304 18446744073709551615 134641171 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 60511 58755 408 171 0 59436 0
Current children cumulated CPU time (s) 101.51
Current children cumulated vsize (KiB) 242044

[startup+162.301 s]
/proc/loadavg: 2.01 2.00 2.00 3/73 10993
/proc/meminfo: memFree=981864/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=423252 CPUtime=161.04
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 107292 656 0 0 16048 56 0 0 25 0 1 0 58954788 433410048 104621 996147200 134512640 135215973 4294956304 18446744073709551615 4158960136 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 105813 104621 408 171 0 104738 0
Current children cumulated CPU time (s) 161.04
Current children cumulated vsize (KiB) 423252

[startup+222.305 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 10993
/proc/meminfo: memFree=850920/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=548588 CPUtime=220.58
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 139394 656 0 0 21985 73 0 0 25 0 1 0 58954788 561754112 134384 996147200 134512640 135215973 4294956304 18446744073709551615 134939371 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 137147 134384 408 171 0 136072 0
Current children cumulated CPU time (s) 220.58
Current children cumulated vsize (KiB) 548588

[startup+282.302 s]
/proc/loadavg: 2.03 2.01 2.00 3/73 10993
/proc/meminfo: memFree=745128/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=642396 CPUtime=280.13
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 163618 656 0 0 27927 86 0 0 25 0 1 0 58954788 657813504 158608 996147200 134512640 135215973 4294956304 18446744073709551615 12967518 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 160599 158608 408 171 0 159524 0
Current children cumulated CPU time (s) 280.13
Current children cumulated vsize (KiB) 642396

[startup+342.302 s]
/proc/loadavg: 2.19 2.05 2.01 3/83 11035
/proc/meminfo: memFree=860872/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=733272 CPUtime=339.83
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 187141 656 0 0 33884 99 0 0 25 0 1 0 58954788 750870528 182131 996147200 134512640 135215973 4294956304 18446744073709551615 4158960931 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 183318 182131 408 171 0 182243 0
Current children cumulated CPU time (s) 339.83
Current children cumulated vsize (KiB) 733272

[startup+402.302 s]
/proc/loadavg: 2.43 2.15 2.04 3/83 11035
/proc/meminfo: memFree=658312/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=871144 CPUtime=399.6
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 222323 656 0 0 39841 119 0 0 25 0 1 0 58954788 892051456 213216 996147200 134512640 135215973 4294956304 18446744073709551615 12936827 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 217786 213216 408 171 0 216711 0
Current children cumulated CPU time (s) 399.6
Current children cumulated vsize (KiB) 871144



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+422.902 s]
/proc/loadavg: 2.51 2.19 2.06 3/83 11035
/proc/meminfo: memFree=586760/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=921752 CPUtime=420.12
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4194304 235205 656 0 0 41886 126 0 0 25 0 1 0 58954788 943874048 225585 996147200 134512640 135215973 4294956304 18446744073709551615 134591658 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 230438 225585 408 171 0 229363 0
Current children cumulated CPU time (s) 420.12
Current children cumulated vsize (KiB) 921752

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

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

[startup+423.007 s]
/proc/loadavg: 2.51 2.19 2.06 3/83 11035
/proc/meminfo: memFree=586760/2055920 swapFree=4191904/4192956
[pid=10988] ppid=10986 vsize=0 CPUtime=420.22
/proc/10988/stat : 10988 (pcs.big) R 10986 10988 9057 0 -1 4195332 235205 656 0 0 41886 136 0 0 25 0 1 0 58954788 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 0 0 0
/proc/10988/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 420.22
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 423.041
CPU time (s): 420.263
CPU user time (s): 418.863
CPU system time (s): 1.39979
CPU usage (%): 99.3435
Max. virtual memory (cumulated for all children) (KiB): 921752

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 418.863
system time used= 1.39979
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 235861
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= 19
involuntary context switches= 8414

runsolver used 0.363944 second user time and 1.18782 second system time

The end

Launcher Data 

Begin job on node63 at 2009-07-16 06:35:22
IDJOB=2080877
IDBENCH=57187
IDSOLVER=733
FILE ID=node63/2080877-1247718922
PBS_JOBID= 9521336
Free space on /tmp= 66208 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/langford3/normalized-langford-3-40.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2080877-1247718922/watcher-2080877-1247718922 -o /tmp/evaluation-result-2080877-1247718922/solver-2080877-1247718922 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1160153995 HOME/instance-2080877-1247718922.xml

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

MD5SUM BENCH= f5050c7234c03b258393dcf49c452457
RANDOM SEED=1160153995

node63.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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1419912 kB
Buffers:         82700 kB
Cached:         169796 kB
SwapCached:        260 kB
Active:         349408 kB
Inactive:       195468 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1419912 kB
SwapTotal:     4192956 kB
SwapFree:      4191904 kB
Dirty:            2816 kB
Writeback:           0 kB
Mapped:         303332 kB
Slab:            75772 kB
Committed_AS:   805560 kB
PageTables:       2444 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= 66204 MiB
End job on node63 at 2009-07-16 06:42:27