Trace number 2059240

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? 74.6287 74.9672

DiagnosticValue
ASSIGNMENTS1000000

General information on the benchmark

Namecsp/coloring/
normalized-myciel-5g-5-ext.xml
MD5SUM47f19d409f9d78e9224e2696b8e0decb
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark23.5644
Satisfiable
(Un)Satisfiability was proved
Number of variables47
Number of constraints236
Maximum constraint arity2
Maximum domain size5
Number of constraints which are defined in extension236
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c small-domain mode
0.18/0.21	c Seed is 371224148
0.18/0.21	c Constructing HOME/instance-2059240-1247695093.xml  with 1180 constraints
0.18/0.21	c Solving 1000001 backtracks 25 restarts
74.55/74.96	s UNKNOWN
74.55/74.96	c Too many backtracks
74.55/74.96	d ASSIGNMENTS 1000001

Verifier Data 

ERROR: Unexpected answer ! ('s SATISFIABLE'/'s UNSATISFIABLE' expected)
Got answer: UNKNOWN

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2059240-1247695093/watcher-2059240-1247695093 -o /tmp/evaluation-result-2059240-1247695093/solver-2059240-1247695093 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 371224148 HOME/instance-2059240-1247695093.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: 1.99 1.88 1.19 4/72 14989
/proc/meminfo: memFree=978208/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=5356 CPUtime=0
/proc/14989/stat : 14989 (pcssolve) R 14987 14989 14703 0 -1 4194304 290 0 0 0 0 0 0 0 21 0 1 0 56572028 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 271638391455 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14989/statm: 1339 241 200 169 0 50 0
[pid=14990] ppid=14989 vsize=0 CPUtime=0
/proc/14990/stat : 14990 (fgrep) Z 14989 14989 14703 0 -1 4194316 151 0 0 0 0 0 0 0 22 0 1 0 56572029 0 0 996147200 0 0 0 0 0 0 0 4096 0 18446744071563351923 0 0 17 1 0 0
/proc/14990/statm: 0 0 0 0 0 0 0
[pid=14991] ppid=14989 vsize=5356 CPUtime=0
/proc/14991/stat : 14991 (pcssolve) R 14989 14989 14703 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 56572029 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 271638391455 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14991/statm: 1339 241 200 169 0 50 0

[startup+0.0886659 s]
/proc/loadavg: 1.99 1.88 1.19 4/72 14989
/proc/meminfo: memFree=978208/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=4928 CPUtime=0.06
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 931 810 0 0 6 0 0 0 18 0 1 0 56572028 5046272 540 996147200 134512640 135095119 4294956304 18446744073709551615 134643125 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 1232 540 378 142 0 186 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4928

[startup+0.101663 s]
/proc/loadavg: 1.99 1.88 1.19 4/72 14989
/proc/meminfo: memFree=978208/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=4928 CPUtime=0.08
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 935 810 0 0 8 0 0 0 18 0 1 0 56572028 5046272 544 996147200 134512640 135095119 4294956304 18446744073709551615 134615407 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 1232 544 378 142 0 186 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4928

[startup+0.301683 s]
/proc/loadavg: 1.99 1.88 1.19 4/72 14989
/proc/meminfo: memFree=978208/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=5712 CPUtime=0.28
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 1150 810 0 0 28 0 0 0 19 0 1 0 56572028 5849088 726 996147200 134512640 135095119 4294956304 18446744073709551615 134576366 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 1428 726 378 142 0 382 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 5712

[startup+0.701728 s]
/proc/loadavg: 1.99 1.88 1.19 4/72 14989
/proc/meminfo: memFree=978208/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=7644 CPUtime=0.67
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 1778 810 0 0 67 0 0 0 23 0 1 0 56572028 7827456 1095 996147200 134512640 135095119 4294956304 18446744073709551615 134589562 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 1911 1095 378 142 0 865 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 7644

[startup+1.50181 s]
/proc/loadavg: 1.99 1.88 1.19 3/73 14995
/proc/meminfo: memFree=973464/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=11008 CPUtime=1.47
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 2885 810 0 0 146 1 0 0 25 0 1 0 56572028 11272192 1816 996147200 134512640 135095119 4294956304 18446744073709551615 134642884 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 2752 1816 378 142 0 1706 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 11008

[startup+3.10197 s]
/proc/loadavg: 1.99 1.88 1.19 3/73 14995
/proc/meminfo: memFree=968856/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=17484 CPUtime=3.07
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 4985 810 0 0 305 2 0 0 25 0 1 0 56572028 17903616 3146 996147200 134512640 135095119 4294956304 18446744073709551615 134615507 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 4371 3146 378 142 0 3325 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 17484

[startup+6.30129 s]
/proc/loadavg: 1.99 1.88 1.19 3/73 14995
/proc/meminfo: memFree=958424/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=30432 CPUtime=6.25
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 9208 810 0 0 621 4 0 0 25 0 1 0 56572028 31162368 5831 996147200 134512640 135095119 4294956304 18446744073709551615 134617027 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 7608 5831 378 142 0 6562 0
Current children cumulated CPU time (s) 6.25
Current children cumulated vsize (KiB) 30432

[startup+12.7029 s]
/proc/loadavg: 1.99 1.88 1.20 3/73 14995
/proc/meminfo: memFree=936792/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=55700 CPUtime=12.62
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 17414 810 0 0 1255 7 0 0 25 0 1 0 56572028 57036800 10963 996147200 134512640 135095119 4294956304 18446744073709551615 134615507 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 13925 10963 378 142 0 12879 0
Current children cumulated CPU time (s) 12.62
Current children cumulated vsize (KiB) 55700

[startup+25.5012 s]
/proc/loadavg: 1.99 1.89 1.21 3/73 14995
/proc/meminfo: memFree=893912/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=106120 CPUtime=25.37
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 33706 810 0 0 2521 16 0 0 25 0 1 0 56572028 108666880 21109 996147200 134512640 135095119 4294956304 18446744073709551615 134576645 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 26530 21109 378 142 0 25484 0
Current children cumulated CPU time (s) 25.37
Current children cumulated vsize (KiB) 106120

[startup+51.1018 s]
/proc/loadavg: 1.99 1.89 1.23 3/73 14995
/proc/meminfo: memFree=815320/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=204500 CPUtime=50.84
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 65382 810 0 0 5053 31 0 0 25 0 1 0 56572028 209408000 40495 996147200 134512640 135095119 4294956304 18446744073709551615 134838100 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 51125 40495 378 142 0 50079 0
Current children cumulated CPU time (s) 50.84
Current children cumulated vsize (KiB) 204500

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

[startup+63.9021 s]
/proc/loadavg: 1.99 1.90 1.24 3/73 14995
/proc/meminfo: memFree=776536/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=227100 CPUtime=63.59
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 74414 810 0 0 6323 36 0 0 25 0 1 0 56572028 232550400 49527 996147200 134512640 135095119 4294956304 18446744073709551615 134642950 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 56775 49527 378 142 0 55729 0
Current children cumulated CPU time (s) 63.59
Current children cumulated vsize (KiB) 227100

[startup+70.3017 s]
/proc/loadavg: 1.99 1.90 1.24 3/73 14995
/proc/meminfo: memFree=756568/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=238028 CPUtime=69.97
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 78757 810 0 0 6958 39 0 0 25 0 1 0 56572028 243740672 53870 996147200 134512640 135095119 4294956304 18446744073709551615 134840704 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 59507 53870 378 142 0 58461 0
Current children cumulated CPU time (s) 69.97
Current children cumulated vsize (KiB) 238028

[startup+73.501 s]
/proc/loadavg: 1.99 1.90 1.25 3/73 14995
/proc/meminfo: memFree=749784/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=243528 CPUtime=73.16
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 80976 810 0 0 7276 40 0 0 25 0 1 0 56572028 249372672 56089 996147200 134512640 135095119 4294956304 18446744073709551615 7356038 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 60882 56089 378 142 0 59836 0
Current children cumulated CPU time (s) 73.16
Current children cumulated vsize (KiB) 243528

[startup+74.3011 s]
/proc/loadavg: 1.99 1.90 1.25 3/73 14995
/proc/meminfo: memFree=746392/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=211544 CPUtime=73.95
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 81278 810 0 0 7354 41 0 0 25 0 1 0 56572028 216621056 48569 996147200 134512640 135095119 4294956304 18446744073709551615 7323132 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 52886 48569 378 142 0 51840 0
Current children cumulated CPU time (s) 73.95
Current children cumulated vsize (KiB) 211544

[startup+74.7012 s]
/proc/loadavg: 1.99 1.90 1.25 3/73 14995
/proc/meminfo: memFree=827224/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=146004 CPUtime=74.36
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 81278 810 0 0 7394 42 0 0 25 0 1 0 56572028 149508096 35829 996147200 134512640 135095119 4294956304 18446744073709551615 7319641 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 36501 35829 378 142 0 35455 0
Current children cumulated CPU time (s) 74.36
Current children cumulated vsize (KiB) 146004

[startup+74.9012 s]
/proc/loadavg: 1.99 1.90 1.25 3/73 14995
/proc/meminfo: memFree=827224/2055920 swapFree=4192812/4192956
[pid=14989] ppid=14987 vsize=146004 CPUtime=74.55
/proc/14989/stat : 14989 (pcs.small) R 14987 14989 14703 0 -1 4194304 81278 810 0 0 7413 42 0 0 25 0 1 0 56572028 149508096 35829 996147200 134512640 135095119 4294956304 18446744073709551615 7319641 0 0 4096 0 0 0 0 17 1 0 0
/proc/14989/statm: 36501 35829 378 142 0 35455 0
Current children cumulated CPU time (s) 74.55
Current children cumulated vsize (KiB) 146004

Child status: 0
Real time (s): 74.9672
CPU time (s): 74.6287
CPU user time (s): 74.1787
CPU system time (s): 0.449931
CPU usage (%): 99.5484
Max. virtual memory (cumulated for all children) (KiB): 244316

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 74.1787
system time used= 0.449931
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 82091
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= 868

runsolver used 0.073988 second user time and 0.243962 second system time

The end

Launcher Data 

Begin job on node67 at 2009-07-15 23:58:13
IDJOB=2059240
IDBENCH=53564
IDSOLVER=733
FILE ID=node67/2059240-1247695093
PBS_JOBID= 9521181
Free space on /tmp= 66332 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/coloring/normalized-myciel-5g-5-ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2059240-1247695093/watcher-2059240-1247695093 -o /tmp/evaluation-result-2059240-1247695093/solver-2059240-1247695093 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 371224148 HOME/instance-2059240-1247695093.xml

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

MD5SUM BENCH= 47f19d409f9d78e9224e2696b8e0decb
RANDOM SEED=371224148

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:        978688 kB
Buffers:         74984 kB
Cached:         641872 kB
SwapCached:          0 kB
Active:         476956 kB
Inactive:       522824 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        978688 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1852 kB
Writeback:           0 kB
Mapped:         294348 kB
Slab:            62176 kB
Committed_AS:   775996 kB
PageTables:       2484 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 2009-07-15 23:59:28