Trace number 225567

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
VALCSP 3.0SAT 17.8623 17.9721

DiagnosticValue
CHECKS491213000
NODES5916

General information on the benchmark

Nametightness/tightness0.9/
rand-2-40-180-84-900-31_ext.xml
MD5SUM3d616581a283a288109f6108c1de5fc5
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.18282
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables40
Number of constraints84
Maximum constraint arity2
Maximum domain size180
Number of constraints which are defined in extension84
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

17.96	s SATISFIABLE
17.96	v 9 57 162 166 29 143 63 69 4 77 8 115 2 57 42 120 60 152 52 55 80 76 14 170 73 62 154 2 29 22 110 22 9 8 31 179 16 179 21 23 
17.96	d CHECKS 4.91213e+08
17.96	d NODES 5916
17.96

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/node76/watcher-225567-1168272839 -o ROOT/results/node76/solver-225567-1168272839 -C 1800 -M 900 /tmp/evaluation/225567-1168272839/VALCSP /tmp/evaluation/225567-1168272839/unknown.xml 

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


[startup+0.105626 s]
/proc/loadavg: 0.89 0.97 0.99 5/87 28075
/proc/meminfo: memFree=1680688/2055888 swapFree=4095388/4096564
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0
/proc/loadavg: 0.89 0.97 0.99 5/87 28075
/proc/meminfo: memFree=1680688/2055888 swapFree=4095388/4096564
[pid=28074] ppid=28072 vsize=1604 CPUtime=0.1
/proc/28074/stat : 28074 (VALCSP) R 28072 28074 27825 0 -1 4194304 152 0 0 0 10 0 0 0 21 0 1 0 175680968 1642496 130 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 5277530 0 0 4096 0 0 0 0 17 0 0 0
/proc/28074/statm: 401 130 62 8 0 72 0

[startup+0.513704 s]
/proc/loadavg: 0.89 0.97 0.99 5/87 28075
/proc/meminfo: memFree=1680688/2055888 swapFree=4095388/4096564
[pid=28074] ppid=28072 vsize=2000 CPUtime=0.5
/proc/28074/stat : 28074 (VALCSP) R 28072 28074 27825 0 -1 4194304 257 0 0 0 50 0 0 0 25 0 1 0 175680968 2048000 235 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 5279639 0 0 4096 0 0 0 0 17 0 0 0
/proc/28074/statm: 500 235 62 8 0 171 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 2000

[startup+1.33386 s]
/proc/loadavg: 0.89 0.97 0.99 3/86 28083
/proc/meminfo: memFree=1757048/2055888 swapFree=4095388/4096564
[pid=28074] ppid=28072 vsize=2792 CPUtime=1.31
/proc/28074/stat : 28074 (VALCSP) R 28072 28074 27825 0 -1 4194304 444 0 0 0 131 0 0 0 25 0 1 0 175680968 2859008 422 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 5279621 0 0 4096 0 0 0 0 17 0 0 0
/proc/28074/statm: 698 422 62 8 0 369 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 2792

[startup+2.97019 s]
/proc/loadavg: 0.98 0.99 0.99 2/73 28083
/proc/meminfo: memFree=1812064/2055888 swapFree=4095388/4096564
[pid=28074] ppid=28072 vsize=4384 CPUtime=2.94
/proc/28074/stat : 28074 (VALCSP) R 28072 28074 27825 0 -1 4194304 839 0 0 0 294 0 0 0 25 0 1 0 175680968 4489216 817 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 5277477 0 0 4096 0 0 0 0 17 1 0 0
/proc/28074/statm: 1096 817 62 8 0 767 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 4384

[startup+6.25083 s]
/proc/loadavg: 0.98 0.99 0.99 3/89 28134
/proc/meminfo: memFree=1799904/2055888 swapFree=4095388/4096564
[pid=28074] ppid=28072 vsize=7456 CPUtime=6.18
/proc/28074/stat : 28074 (VALCSP) R 28072 28074 27825 0 -1 4194304 1601 0 0 0 618 0 0 0 25 0 1 0 175680968 7634944 1580 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 5253163 0 0 4096 0 0 0 0 17 1 0 0
/proc/28074/statm: 1864 1580 62 8 0 1535 0
Current children cumulated CPU time (s) 6.18
Current children cumulated vsize (KiB) 7456

[startup+12.7143 s]
/proc/loadavg: 1.28 1.05 1.02 3/90 28135
/proc/meminfo: memFree=1693656/2055888 swapFree=4095388/4096564
[pid=28074] ppid=28072 vsize=21328 CPUtime=12.61
/proc/28074/stat : 28074 (VALCSP) R 28072 28074 27825 0 -1 4194304 5096 0 0 0 1260 1 0 0 25 0 1 0 175680968 21839872 5074 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134524702 0 0 4096 0 0 0 0 17 1 0 0
/proc/28074/statm: 5332 5074 65 8 0 5003 0
Current children cumulated CPU time (s) 12.61
Current children cumulated vsize (KiB) 21328

Child status: 0
Real time (s): 17.9721
CPU time (s): 17.8623
CPU user time (s): 17.8393
CPU system time (s): 0.022996
CPU usage (%): 99.3891
Max. virtual memory (cumulated for all children) (KiB): 21328

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.8393
system time used= 0.022996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5126
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= 7
involuntary context switches= 260

runsolver used 0.018997 s user time and 0.048992 s system time

The end

Launcher Data (download as text)

Begin job on node76 on Mon Jan  8 16:13:59 UTC 2007


IDJOB= 225567
IDBENCH= 5873
FILE ID= node76/225567-1168272839

PBS_JOBID= 3483229

Free space on /tmp= 66642 MiB

BENCH NAME= HOME/pub/bench/CPAI06/tightness/tightness0.9/rand-2-40-180-84-900-31_ext.xml
COMMAND LINE= /tmp/evaluation/225567-1168272839/VALCSP /tmp/evaluation/225567-1168272839/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node76/watcher-225567-1168272839 -o ROOT/results/node76/solver-225567-1168272839 -C 1800 -M 900  /tmp/evaluation/225567-1168272839/VALCSP /tmp/evaluation/225567-1168272839/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  3d616581a283a288109f6108c1de5fc5

RANDOM SEED= 620763133

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		: 3000.254
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	: 6006.17
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		: 3000.254
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	: 5999.42
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055888 kB
MemFree:       1681232 kB
Buffers:         51452 kB
Cached:         122064 kB
SwapCached:        428 kB
Active:         241772 kB
Inactive:        84860 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055888 kB
LowFree:       1681232 kB
SwapTotal:     4096564 kB
SwapFree:      4095388 kB
Dirty:            7456 kB
Writeback:           0 kB
Mapped:         171016 kB
Slab:            33388 kB
Committed_AS:  7384532 kB
PageTables:       2136 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264388 kB
VmallocChunk: 536606243 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66643 MiB



End job on node76 on Mon Jan  8 16:14:17 UTC 2007