Trace number 2075982

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 1.2848 1.30579

DiagnosticValue
ASSIGNMENTS26

General information on the benchmark

Namecsp/modifiedRenault/
normalized-renault-mod-8_ext.xml
MD5SUM24e5abcdaaa2964e4e46c08219c26342
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 benchmark0.479926
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 1938445690
0.00/0.05	c Constructing HOME/instance-2075982-1247714032.xml  with 369 constraints
1.16/1.23	c Solving 26 backtracks 1 restarts
1.26/1.30	s UNSATISFIABLE
1.26/1.30	d ASSIGNMENTS 26

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-2075982-1247714032/watcher-2075982-1247714032 -o /tmp/evaluation-result-2075982-1247714032/solver-2075982-1247714032 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1938445690 HOME/instance-2075982-1247714032.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: 2.16 2.11 2.03 4/82 16402
/proc/meminfo: memFree=1712152/2055920 swapFree=4192812/4192956
[pid=16402] ppid=16400 vsize=18576 CPUtime=0
/proc/16402/stat : 16402 (runsolver) R 16400 16402 15459 0 -1 4194368 15 0 0 0 0 0 0 0 21 0 1 0 58470195 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 212234464551 0 0 4096 24578 0 0 0 17 1 0 0
/proc/16402/statm: 4644 284 249 26 0 2626 0

[startup+0.0891271 s]
/proc/loadavg: 2.16 2.11 2.03 4/82 16402
/proc/meminfo: memFree=1712152/2055920 swapFree=4192812/4192956
[pid=16402] ppid=16400 vsize=5220 CPUtime=0.06
/proc/16402/stat : 16402 (pcs.big) R 16400 16402 15459 0 -1 4194304 958 1661 0 0 5 0 0 1 18 0 1 0 58470195 5345280 589 996147200 134512640 135215973 4294956304 18446744073709551615 7392866 0 0 4096 0 0 0 0 17 1 0 0
/proc/16402/statm: 1305 589 385 171 0 230 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5220

[startup+0.101129 s]
/proc/loadavg: 2.16 2.11 2.03 4/82 16402
/proc/meminfo: memFree=1712152/2055920 swapFree=4192812/4192956
[pid=16402] ppid=16400 vsize=5324 CPUtime=0.07
/proc/16402/stat : 16402 (pcs.big) R 16400 16402 15459 0 -1 4194304 971 1661 0 0 6 0 0 1 18 0 1 0 58470195 5451776 602 996147200 134512640 135215973 4294956304 18446744073709551615 7361153 0 0 4096 0 0 0 0 17 1 0 0
/proc/16402/statm: 1331 602 385 171 0 256 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5324

[startup+0.301163 s]
/proc/loadavg: 2.16 2.11 2.03 4/82 16402
/proc/meminfo: memFree=1712152/2055920 swapFree=4192812/4192956
[pid=16402] ppid=16400 vsize=7632 CPUtime=0.27
/proc/16402/stat : 16402 (pcs.big) R 16400 16402 15459 0 -1 4194304 1323 1661 0 0 26 0 0 1 20 0 1 0 58470195 7815168 954 996147200 134512640 135215973 4294956304 18446744073709551615 134841124 0 0 4096 0 0 0 0 17 1 0 0
/proc/16402/statm: 1908 954 385 171 0 833 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 7632

[startup+0.701233 s]
/proc/loadavg: 2.16 2.11 2.03 4/82 16402
/proc/meminfo: memFree=1712152/2055920 swapFree=4192812/4192956
[pid=16402] ppid=16400 vsize=11316 CPUtime=0.67
/proc/16402/stat : 16402 (pcs.big) R 16400 16402 15459 0 -1 4194304 2490 1661 0 0 65 1 0 1 23 0 1 0 58470195 11587584 1683 996147200 134512640 135215973 4294956304 18446744073709551615 135038910 0 0 4096 0 0 0 0 17 1 0 0
/proc/16402/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+1.1063 s]
/proc/loadavg: 2.16 2.11 2.03 3/83 16407
/proc/meminfo: memFree=1704784/2055920 swapFree=4192812/4192956
[pid=16402] ppid=16400 vsize=15224 CPUtime=1.07
/proc/16402/stat : 16402 (pcs.big) R 16400 16402 15459 0 -1 4194304 3318 1661 0 0 105 1 0 1 25 0 1 0 58470195 15589376 2293 996147200 134512640 135215973 4294956304 18446744073709551615 134882228 0 0 4096 0 0 0 0 17 1 0 0
/proc/16402/statm: 3806 2293 385 171 0 2731 0
Current children cumulated CPU time (s) 1.07
Current children cumulated vsize (KiB) 15224

[startup+1.30134 s]
/proc/loadavg: 2.16 2.11 2.03 3/83 16407
/proc/meminfo: memFree=1704784/2055920 swapFree=4192812/4192956
[pid=16402] ppid=16400 vsize=12396 CPUtime=1.26
/proc/16402/stat : 16402 (pcs.big) R 16400 16402 15459 0 -1 4194304 3336 1661 0 0 124 1 0 1 25 0 1 0 58470195 12693504 2304 996147200 134512640 135215973 4294956304 18446744073709551615 134583202 0 0 4096 0 0 0 0 17 1 0 0
/proc/16402/statm: 3099 2304 403 171 0 2024 0
Current children cumulated CPU time (s) 1.26
Current children cumulated vsize (KiB) 12396

Child status: 0
Real time (s): 1.30579
CPU time (s): 1.2848
CPU user time (s): 1.25781
CPU system time (s): 0.026995
CPU usage (%): 98.3925
Max. virtual memory (cumulated for all children) (KiB): 15224

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.25781
system time used= 0.026995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5000
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= 69

runsolver used 0.003999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node14 at 2009-07-16 05:13:53
IDJOB=2075982
IDBENCH=56368
IDSOLVER=733
FILE ID=node14/2075982-1247714032
PBS_JOBID= 9521402
Free space on /tmp= 66452 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/modifiedRenault/normalized-renault-mod-8_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2075982-1247714032/watcher-2075982-1247714032 -o /tmp/evaluation-result-2075982-1247714032/solver-2075982-1247714032 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1938445690 HOME/instance-2075982-1247714032.xml

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

MD5SUM BENCH= 24e5abcdaaa2964e4e46c08219c26342
RANDOM SEED=1938445690

node14.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		: 3000.265
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		: 3000.265
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:       1712632 kB
Buffers:         73460 kB
Cached:         159848 kB
SwapCached:          0 kB
Active:         105160 kB
Inactive:       161996 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1712632 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4516 kB
Writeback:           0 kB
Mapped:          54208 kB
Slab:            61204 kB
Committed_AS:   604536 kB
PageTables:       1940 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= 66448 MiB
End job on node14 at 2009-07-16 05:13:54