Trace number 2076015

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 0.3.2UNSAT 1.2938 1.31013

DiagnosticValue
ASSIGNMENTS17

General information on the benchmark

Namecsp/modifiedRenault/
normalized-renault-mod-5_ext.xml
MD5SUMa4252035144ceb461ab40afb1cafcd34
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.444931
Satisfiable
(Un)Satisfiability was proved
Number of variables111
Number of constraints147
Maximum constraint arity10
Maximum domain size42
Number of constraints which are defined in extension147
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.03	c has big domains
0.00/0.03	c big-domain mode
0.00/0.05	c Seed is 1339738625
0.00/0.05	c Constructing HOME/instance-2076015-1247714042.xml  with 370 constraints
1.17/1.23	c Solving 17 backtracks 1 restarts
1.27/1.30	s UNSATISFIABLE
1.27/1.30	d ASSIGNMENTS 17

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2076015-1247714042/watcher-2076015-1247714042 -o /tmp/evaluation-result-2076015-1247714042/solver-2076015-1247714042 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1339738625 HOME/instance-2076015-1247714042.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 2.03 2.01 4/72 12755
/proc/meminfo: memFree=1549064/2055920 swapFree=4192812/4192956
[pid=12755] ppid=12753 vsize=5356 CPUtime=0
/proc/12755/stat : 12755 (pcssolve) R 12753 12755 11752 0 -1 4194304 290 0 0 0 0 0 0 0 21 0 1 0 58470734 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 221236488863 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/12755/statm: 1339 241 200 169 0 50 0
[pid=12756] ppid=12755 vsize=3676 CPUtime=0
/proc/12756/stat : 12756 (fgrep) R 12755 12755 11752 0 -1 4194304 145 0 0 0 0 0 0 0 22 0 1 0 58470735 3764224 112 996147200 4194304 4274172 548682068976 18446744073709551615 221236658258 0 0 4096 0 0 0 0 17 1 0 0
/proc/12756/statm: 919 112 85 19 0 43 0
[pid=12757] ppid=12755 vsize=5356 CPUtime=0
/proc/12757/stat : 12757 (pcssolve) R 12755 12755 11752 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 58470735 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 221236488863 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/12757/statm: 1339 241 200 169 0 50 0

[startup+0.027408 s]
/proc/loadavg: 2.12 2.03 2.01 4/72 12755
/proc/meminfo: memFree=1549064/2055920 swapFree=4192812/4192956
[pid=12755] ppid=12753 vsize=5356 CPUtime=0
/proc/12755/stat : 12755 (pcssolve) S 12753 12755 11752 0 -1 4194304 339 819 0 0 0 0 0 0 21 0 1 0 58470734 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 221236486980 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12755/statm: 1339 242 201 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.101409 s]
/proc/loadavg: 2.12 2.03 2.01 4/72 12755
/proc/meminfo: memFree=1549064/2055920 swapFree=4192812/4192956
[pid=12755] ppid=12753 vsize=5324 CPUtime=0.08
/proc/12755/stat : 12755 (pcs.big) R 12753 12755 11752 0 -1 4194304 971 1661 0 0 6 0 1 1 18 0 1 0 58470734 5451776 602 996147200 134512640 135215973 4294956304 18446744073709551615 134585694 0 0 4096 0 0 0 0 17 1 0 0
/proc/12755/statm: 1331 602 385 171 0 256 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5324

[startup+0.30143 s]
/proc/loadavg: 2.12 2.03 2.01 4/72 12755
/proc/meminfo: memFree=1549064/2055920 swapFree=4192812/4192956
[pid=12755] ppid=12753 vsize=7632 CPUtime=0.28
/proc/12755/stat : 12755 (pcs.big) R 12753 12755 11752 0 -1 4194304 1346 1661 0 0 26 0 1 1 19 0 1 0 58470734 7815168 977 996147200 134512640 135215973 4294956304 18446744073709551615 8904245 0 0 4096 0 0 0 0 17 1 0 0
/proc/12755/statm: 1908 977 385 171 0 833 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 7632

[startup+0.701477 s]
/proc/loadavg: 2.12 2.03 2.01 4/72 12755
/proc/meminfo: memFree=1549064/2055920 swapFree=4192812/4192956
[pid=12755] ppid=12753 vsize=11316 CPUtime=0.67
/proc/12755/stat : 12755 (pcs.big) R 12753 12755 11752 0 -1 4194304 2490 1661 0 0 65 0 1 1 23 0 1 0 58470734 11587584 1683 996147200 134512640 135215973 4294956304 18446744073709551615 135039487 0 0 4096 0 0 0 0 17 1 0 0
/proc/12755/statm: 2829 1683 385 171 0 1754 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 11316

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

[startup+1.10653 s]
/proc/loadavg: 2.12 2.03 2.01 3/73 12760
/proc/meminfo: memFree=1541504/2055920 swapFree=4192812/4192956
[pid=12755] ppid=12753 vsize=15224 CPUtime=1.07
/proc/12755/stat : 12755 (pcs.big) R 12753 12755 11752 0 -1 4194304 3318 1661 0 0 105 0 1 1 25 0 1 0 58470734 15589376 2293 996147200 134512640 135215973 4294956304 18446744073709551615 134881783 0 0 4096 0 0 0 0 17 1 0 0
/proc/12755/statm: 3806 2293 385 171 0 2731 0
Current children cumulated CPU time (s) 1.07
Current children cumulated vsize (KiB) 15224

[startup+1.30154 s]
/proc/loadavg: 2.12 2.03 2.01 3/73 12760
/proc/meminfo: memFree=1541504/2055920 swapFree=4192812/4192956
[pid=12755] ppid=12753 vsize=12396 CPUtime=1.27
/proc/12755/stat : 12755 (pcs.big) R 12753 12755 11752 0 -1 4194304 3360 1661 0 0 125 0 1 1 25 0 1 0 58470734 12693504 2328 996147200 134512640 135215973 4294956304 18446744073709551615 134583202 0 0 4096 0 0 0 0 17 1 0 0
/proc/12755/statm: 3099 2328 403 171 0 2024 0
Current children cumulated CPU time (s) 1.27
Current children cumulated vsize (KiB) 12396

Child status: 0
Real time (s): 1.31013
CPU time (s): 1.2938
CPU user time (s): 1.27181
CPU system time (s): 0.021996
CPU usage (%): 98.7536
Max. virtual memory (cumulated for all children) (KiB): 15224

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.27181
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5024
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= 18
involuntary context switches= 39

runsolver used 0.002999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node21 at 2009-07-16 05:14:03
IDJOB=2076015
IDBENCH=56373
IDSOLVER=733
FILE ID=node21/2076015-1247714042
PBS_JOBID= 9521405
Free space on /tmp= 66320 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/modifiedRenault/normalized-renault-mod-5_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2076015-1247714042/watcher-2076015-1247714042 -o /tmp/evaluation-result-2076015-1247714042/solver-2076015-1247714042 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1339738625 HOME/instance-2076015-1247714042.xml

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

MD5SUM BENCH= a4252035144ceb461ab40afb1cafcd34
RANDOM SEED=1339738625

node21.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		: 3000.240
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		: 3000.240
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:       1549544 kB
Buffers:         66196 kB
Cached:         290532 kB
SwapCached:          0 kB
Active:         148200 kB
Inactive:       282512 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1549544 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4908 kB
Writeback:           0 kB
Mapped:          85492 kB
Slab:            60972 kB
Committed_AS:   527048 kB
PageTables:       1872 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= 66320 MiB
End job on node21 at 2009-07-16 05:14:04