Trace number 215939

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
BPrologCSPSolver70a 2006-12-13SAT 3.65244 3.6823

General information on the benchmark

NamepseudoSeries/mps/
mps-p6000.xml
MD5SUMdcdaf90821c86138f938161e8ea7dce1
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 benchmark3.65244
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables6000
Number of constraints2294
Maximum constraint arity5998
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension2294
Global constraints used (with number of constraints)

Solver Data (download as text)

3.67	
3.68	Time: 3529
3.68	
c 
c 
c 
c solution file
c 
c 

SAT
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
c 
c 
c 
c conversion script
c 
c 

converting(/tmp/evaluation/215939-1168237610/unknown)

Verifier Data (download as text)

OK

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node38/watcher-215939-1168237610 -o ROOT/results/node38/solver-215939-1168237610 -C 1800 -M 900 /tmp/evaluation/215939-1168237610/Complete/Ordinary/solver /tmp/evaluation/215939-1168237610/unknown 1800 

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
Current StackSize limit: 10240 KiB

/proc/loadavg: 1.34 1.08 1.02 5/81 20554
/proc/meminfo: memFree=1116176/2055920 swapFree=4192812/4192956
[pid=20553] ppid=20551 vsize=53468 CPUtime=0
/proc/20553/stat : 20553 (bprolog) R 20551 20553 20380 0 -1 4194304 465 0 0 0 0 0 0 0 20 0 1 0 172163704 54751232 185 18446744073709551615 134512640 134884608 4294956576 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/20553/statm: 13367 185 119 90 0 12905 0

[startup+0.105203 s]
/proc/loadavg: 1.34 1.08 1.02 5/81 20554
/proc/meminfo: memFree=1116176/2055920 swapFree=4192812/4192956
[pid=20553] ppid=20551 vsize=61640 CPUtime=0.09
/proc/20553/stat : 20553 (bprolog) R 20551 20553 20380 0 -1 4194304 2160 0 0 0 8 1 0 0 20 0 1 0 172163704 63119360 1876 18446744073709551615 134512640 134884608 4294956576 18446744073709551615 134694524 0 0 4096 2 0 0 0 17 1 0 0
/proc/20553/statm: 15410 1876 158 90 0 14948 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 61640

[startup+0.516287 s]
/proc/loadavg: 1.34 1.08 1.02 5/81 20554
/proc/meminfo: memFree=1116176/2055920 swapFree=4192812/4192956
[pid=20553] ppid=20551 vsize=62472 CPUtime=0.5
/proc/20553/stat : 20553 (bprolog) R 20551 20553 20380 0 -1 4194304 4555 0 0 0 47 3 0 0 23 0 1 0 172163704 63971328 4073 18446744073709551615 134512640 134884608 4294956576 18446744073709551615 134567426 0 0 4096 2 0 0 0 17 1 0 0
/proc/20553/statm: 15618 4073 163 90 0 15156 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 62472

[startup+1.33743 s]
/proc/loadavg: 1.34 1.08 1.02 3/81 20554
/proc/meminfo: memFree=1100112/2055920 swapFree=4192812/4192956
[pid=20553] ppid=20551 vsize=62472 CPUtime=1.32
/proc/20553/stat : 20553 (bprolog) R 20551 20553 20380 0 -1 4194304 4656 0 0 0 129 3 0 0 25 0 1 0 172163704 63971328 4174 18446744073709551615 134512640 134884608 4294956576 18446744073709551615 134567426 0 0 4096 2 0 0 0 17 1 0 0
/proc/20553/statm: 15618 4174 163 90 0 15156 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 62472

[startup+2.97475 s]
/proc/loadavg: 1.34 1.08 1.02 3/81 20554
/proc/meminfo: memFree=1099280/2055920 swapFree=4192812/4192956
[pid=20553] ppid=20551 vsize=62472 CPUtime=2.95
/proc/20553/stat : 20553 (bprolog) R 20551 20553 20380 0 -1 4194304 4956 0 0 0 292 3 0 0 25 0 1 0 172163704 63971328 4474 18446744073709551615 134512640 134884608 4294956576 18446744073709551615 134565733 0 0 4096 2 0 0 0 17 1 0 0
/proc/20553/statm: 15618 4474 175 90 0 15156 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 62472

Child status: 0
Real time (s): 3.6823
CPU time (s): 3.65244
CPU user time (s): 3.54046
CPU system time (s): 0.111982
CPU usage (%): 99.1892
Max. virtual memory (cumulated for all children) (KiB): 81080

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.54046
system time used= 0.111982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12494
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= 51

runsolver used 0.008998 s user time and 0.014997 s system time

The end

Launcher Data (download as text)

Begin job on node38 on Mon Jan  8 06:26:51 UTC 2007


IDJOB= 215939
IDBENCH= 5040
FILE ID= node38/215939-1168237610

PBS_JOBID= 3481496

Free space on /tmp= 66515 MiB

BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/mps/mps-p6000.xml
COMMAND LINE= /tmp/evaluation/215939-1168237610/Complete/Ordinary/solver /tmp/evaluation/215939-1168237610/unknown 1800
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node38/convwatcher-215939-1168237610 -o ROOT/results/node38/conversion-215939-1168237610 -C 600 -M 900 /tmp/evaluation/215939-1168237610/Complete/Ordinary/conversion /tmp/evaluation/215939-1168237610/unknown
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node38/watcher-215939-1168237610 -o ROOT/results/node38/solver-215939-1168237610 -C 1800 -M 900  /tmp/evaluation/215939-1168237610/Complete/Ordinary/solver /tmp/evaluation/215939-1168237610/unknown 1800

META MD5SUM SOLVER= b53ab06f245aa5e62684a7a0a4388ade
MD5SUM BENCH=  dcdaf90821c86138f938161e8ea7dce1

RANDOM SEED= 494527284

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		: 3000.267
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		: 3000.267
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:       1116656 kB
Buffers:         43780 kB
Cached:         119012 kB
SwapCached:          0 kB
Active:         792824 kB
Inactive:        88488 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1116656 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            7632 kB
Writeback:           0 kB
Mapped:         737592 kB
Slab:            41860 kB
Committed_AS:  4573596 kB
PageTables:       3320 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= 66515 MiB



End job on node38 on Mon Jan  8 06:27:24 UTC 2007