Trace number 249462

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, and are wall clock time (not CPU 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
Tramontane 2006-12-04Signal 0.036993 0.0441581

General information on the benchmark

Nameprimes/primes-20/
primes-20-80-2-5.xml
MD5SUM3196989baad6cb7b11735644032a1e11
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.028994
SatisfiableYES
(Un)Satisfiability was proved
Number of variables100
Number of constraints80
Maximum constraint arity7
Maximum domain size70
Number of constraints which are defined in extension0
Number of constraints which are defined in intension80
Global constraints used (with number of constraints)

Solver Data (download as text)

0.03	c 
0.03	c Parsing xml file
0.03	c 	domains...............    0
0.03	c 	variables.............    0
0.03	c 	predicates..test
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0.03	.    0
0.03	c 	constraints.solver: models/src/MyCallback.h:681: virtual void CSPXMLParser::MyCallback::endConstraint(): Assertion `predScope[idcur][k][l] < predMaxSize' failed.

Verifier Data (download as text)

ERROR: Unexpected answer ! (SAT/UNSAT expected)
Got answer:

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node58/watcher-249462-1168404305 -o ROOT/results/node58/solver-249462-1168404305 -C 1800 -M 900 /tmp/evaluation/249462-1168404305/tramontane/bin/solver /tmp/evaluation/249462-1168404305/unknown.xml -res geom -f 3 -v 1 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 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
/proc/loadavg: 2.05 2.07 2.03 4/81 23128
/proc/meminfo: memFree=1094088/2055920 swapFree=4192812/4192956
[pid=23127] ppid=23125 vsize=18540 CPUtime=0
/proc/23127/stat : 23127 (runsolver) R 23125 22115 22115 0 -1 4194368 10 0 0 0 0 0 0 0 20 0 1 0 188828530 18984960 277 18446744073709551615 4194304 4267372 548682068992 18446744073709551615 226235579890 0 0 4096 24578 0 0 0 17 1 0 0
/proc/23127/statm: 4635 277 242 17 0 2626 0
Current StackSize limit: 10240 KiB


Child ended because it received signal 6 (SIGABRT)
Real time (s): 0.0441581
CPU time (s): 0.036993
CPU user time (s): 0.027995
CPU system time (s): 0.008998
CPU usage (%): 83.774
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.027995
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 970
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= 11
involuntary context switches= 2

runsolver used 0.002999 s user time and 0.006998 s system time

The end

Launcher Data (download as text)

Begin job on node58 on Wed Jan 10 04:45:06 UTC 2007


IDJOB= 249462
IDBENCH= 11785
FILE ID= node58/249462-1168404305

PBS_JOBID= 3523124

Free space on /tmp= 66559 MiB

BENCH NAME= HOME/pub/bench/CPAI06/primes/primes-20/primes-20-80-2-5.xml
COMMAND LINE= /tmp/evaluation/249462-1168404305/tramontane/bin/solver /tmp/evaluation/249462-1168404305/unknown.xml -res geom -f 3 -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node58/watcher-249462-1168404305 -o ROOT/results/node58/solver-249462-1168404305 -C 1800 -M 900  /tmp/evaluation/249462-1168404305/tramontane/bin/solver /tmp/evaluation/249462-1168404305/unknown.xml -res geom -f 3 -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  3196989baad6cb7b11735644032a1e11

RANDOM SEED= 301831036

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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		: 3000.223
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		: 3000.223
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:       1094504 kB
Buffers:         65644 kB
Cached:         331816 kB
SwapCached:          0 kB
Active:         626332 kB
Inactive:       277524 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1094504 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3020 kB
Writeback:           0 kB
Mapped:         524480 kB
Slab:            41924 kB
Committed_AS:  4179320 kB
PageTables:       2756 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= 66558 MiB



End job on node58 on Wed Jan 10 04:45:06 UTC 2007