Trace number 2087544

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) 130.169 130.229

General information on the benchmark

Namecsp/queens/
normalized-queens-200.xml
MD5SUM054f76ffe13ea2991d6de6635966b938
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark16.2935
Satisfiable
(Un)Satisfiability was proved
Number of variables200
Number of constraints19900
Maximum constraint arity2
Maximum domain size200
Number of constraints which are defined in extension0
Number of constraints which are defined in intension19900
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
0.28/0.30	c Seed is 1883678339
0.28/0.30	c Constructing HOME/instance-2087544-1247727808.xml 
1.38/1.42	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,V120,V121,V122,V123,V124,V125,V126,V127,V128,V129,V130,V131,V132,V133,V134,V135,V136,V137,V138,V139,V140,V141,V142,V143,V144,V145,V146,V147,V148,V149,V150,V151,V152,V153,V154,V155,V156,V157,V158,V159,V160,V161,V162,V163,V164,V165,V166,V167,V168,V169,V170,V171,V172,V173,V174,V175,V176,V177,V178,V179,V180,V181,V182,V183,V184,V185,V186,V187,V188,V189,V190,V191,V192,V193,V194,V195,V196,V197,V198,V199,V0)
1.38/1.42	c  with 79601 constraints
1.38/1.42	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-2087544-1247727808/watcher-2087544-1247727808 -o /tmp/evaluation-result-2087544-1247727808/solver-2087544-1247727808 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1883678339 HOME/instance-2087544-1247727808.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: 2.12 2.04 2.01 4/72 13988
/proc/meminfo: memFree=1419104/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=5356 CPUtime=0
/proc/13988/stat : 13988 (pcssolve) S 13986 13988 13638 0 -1 4194304 305 155 0 0 0 0 0 0 19 0 1 0 59844867 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 269930259268 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/13988/statm: 1339 242 201 169 0 50 0
[pid=13990] ppid=13988 vsize=5356 CPUtime=0
/proc/13990/stat : 13990 (pcssolve) R 13988 13988 13638 0 -1 4194368 22 0 0 0 0 0 0 0 20 0 1 0 59844868 5484544 244 996147200 4194304 4889804 548682068800 18446744073709551615 269930261799 0 0 4096 0 0 0 0 17 1 0 0
/proc/13990/statm: 1339 244 203 169 0 50 0

[startup+0.074981 s]
/proc/loadavg: 2.12 2.04 2.01 4/72 13988
/proc/meminfo: memFree=1419104/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=5624 CPUtime=0.05
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 1035 656 0 0 5 0 0 0 17 0 1 0 59844867 5758976 667 996147200 134512640 135215973 4294956304 18446744073709551615 134911906 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 1406 672 385 171 0 331 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 5624

[startup+0.101984 s]
/proc/loadavg: 2.12 2.04 2.01 4/72 13988
/proc/meminfo: memFree=1419104/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=6008 CPUtime=0.07
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 1164 656 0 0 7 0 0 0 17 0 1 0 59844867 6152192 762 996147200 134512640 135215973 4294956304 18446744073709551615 9180795 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 1502 762 385 171 0 427 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6008

[startup+0.302007 s]
/proc/loadavg: 2.12 2.04 2.01 4/72 13988
/proc/meminfo: memFree=1419104/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=10180 CPUtime=0.28
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 2384 656 0 0 27 1 0 0 18 0 1 0 59844867 10424320 1564 996147200 134512640 135215973 4294956304 18446744073709551615 134608549 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 2545 1564 385 171 0 1470 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 10180

[startup+0.701055 s]
/proc/loadavg: 2.12 2.04 2.01 4/72 13988
/proc/meminfo: memFree=1419104/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=16120 CPUtime=0.68
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 4385 656 0 0 66 2 0 0 22 0 1 0 59844867 16506880 2877 996147200 134512640 135215973 4294956304 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 4030 2877 385 171 0 2955 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 16120

[startup+1.50115 s]
/proc/loadavg: 2.12 2.04 2.01 3/73 13993
/proc/meminfo: memFree=1404120/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=31428 CPUtime=1.48
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 9985 656 0 0 143 5 0 0 25 0 1 0 59844867 32182272 6372 996147200 134512640 135215973 4294956304 18446744073709551615 134532930 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 7857 6372 400 171 0 6782 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 31428

[startup+3.10134 s]
/proc/loadavg: 2.11 2.04 2.00 3/73 13993
/proc/meminfo: memFree=1384920/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=58048 CPUtime=3.07
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 18997 656 0 0 298 9 0 0 25 0 1 0 59844867 59441152 12210 996147200 134512640 135215973 4294956304 18446744073709551615 134908065 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 14512 12210 407 171 0 13437 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 58048

[startup+6.30171 s]
/proc/loadavg: 2.11 2.04 2.00 3/73 13993
/proc/meminfo: memFree=1342040/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=90884 CPUtime=6.27
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 29916 656 0 0 613 14 0 0 25 0 1 0 59844867 93065216 19515 996147200 134512640 135215973 4294956304 18446744073709551615 134908110 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 22721 19515 407 171 0 21646 0
Current children cumulated CPU time (s) 6.27
Current children cumulated vsize (KiB) 90884

[startup+12.7015 s]
/proc/loadavg: 2.09 2.04 2.00 3/73 13993
/proc/meminfo: memFree=1280088/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=165128 CPUtime=12.67
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 52261 656 0 0 1241 26 0 0 25 0 1 0 59844867 169091072 34892 996147200 134512640 135215973 4294956304 18446744073709551615 134597368 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 41282 34892 407 171 0 40207 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 165128

[startup+25.502 s]
/proc/loadavg: 2.16 2.05 2.01 3/73 13993
/proc/meminfo: memFree=1238232/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=191444 CPUtime=25.47
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 63123 656 0 0 2516 31 0 0 25 0 1 0 59844867 196038656 45430 996147200 134512640 135215973 4294956304 18446744073709551615 9180795 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 47861 45430 407 171 0 46786 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 191444

[startup+51.102 s]
/proc/loadavg: 2.10 2.05 2.01 3/73 13993
/proc/meminfo: memFree=1084632/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=373684 CPUtime=51.05
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 113352 656 0 0 5053 52 0 0 25 0 1 0 59844867 382652416 81951 996147200 134512640 135215973 4294956304 18446744073709551615 135094922 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 93421 81951 407 171 0 92346 0
Current children cumulated CPU time (s) 51.05
Current children cumulated vsize (KiB) 373684

[startup+102.306 s]
/proc/loadavg: 2.13 2.07 2.01 3/73 13993
/proc/meminfo: memFree=896536/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=526344 CPUtime=102.24
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 158906 656 0 0 10150 74 0 0 25 0 1 0 59844867 538976256 127221 996147200 134512640 135215973 4294956304 18446744073709551615 4158960036 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 131586 127221 407 171 0 130511 0
Current children cumulated CPU time (s) 102.24
Current children cumulated vsize (KiB) 526344



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+130.101 s]
/proc/loadavg: 2.08 2.06 2.01 3/73 13993
/proc/meminfo: memFree=617048/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=953064 CPUtime=130.03
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4194304 227943 656 0 0 12899 104 0 0 25 0 1 0 59844867 975937536 196163 996147200 134512640 135215973 4294956304 18446744073709551615 9180741 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 238266 196167 407 171 0 237191 0
Current children cumulated CPU time (s) 130.03
Current children cumulated vsize (KiB) 953064

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

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

[startup+130.206 s]
/proc/loadavg: 2.08 2.06 2.01 3/73 13993
/proc/meminfo: memFree=617048/2055920 swapFree=4192812/4192956
[pid=13988] ppid=13986 vsize=0 CPUtime=130.13
/proc/13988/stat : 13988 (pcs.big) R 13986 13988 13638 0 -1 4195332 227974 656 0 0 12899 114 0 0 25 0 1 0 59844867 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 0 0 0
/proc/13988/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 130.13
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 130.229
CPU time (s): 130.169
CPU user time (s): 129
CPU system time (s): 1.16882
CPU usage (%): 99.9544
Max. virtual memory (cumulated for all children) (KiB): 953064

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 129
system time used= 1.16882
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 228630
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= 21
involuntary context switches= 565

runsolver used 0.150977 second user time and 0.335948 second system time

The end

Launcher Data 

Begin job on node53 at 2009-07-16 09:03:29
IDJOB=2087544
IDBENCH=58738
IDSOLVER=734
FILE ID=node53/2087544-1247727808
PBS_JOBID= 9521513
Free space on /tmp= 66048 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/queens/normalized-queens-200.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2087544-1247727808/watcher-2087544-1247727808 -o /tmp/evaluation-result-2087544-1247727808/solver-2087544-1247727808 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1883678339 HOME/instance-2087544-1247727808.xml

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

MD5SUM BENCH= 054f76ffe13ea2991d6de6635966b938
RANDOM SEED=1883678339

node53.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:       1419584 kB
Buffers:         69284 kB
Cached:         304172 kB
SwapCached:          0 kB
Active:         268448 kB
Inactive:       299120 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1419584 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4288 kB
Writeback:           0 kB
Mapped:         203628 kB
Slab:            53856 kB
Committed_AS:   690564 kB
PageTables:       2076 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= 66044 MiB
End job on node53 at 2009-07-16 09:05:41