Trace number 224789

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
Mistral 2006-12-04UNSAT 18.2102 18.3

General information on the benchmark

Nametightness/tightness0.8/
rand-2-40-80-103-800-73_ext.xml
MD5SUM1c421096d04939b2325835991d641f60
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark4.6253
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables40
Number of constraints103
Maximum constraint arity2
Maximum domain size80
Number of constraints which are defined in extension103
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.11	c 
0.11	c Parsing xml file
0.11	c 	domains...............    0
0.11	c 	variables.............    0
0.11	c 	relations............. 0.22
0.23	c 	constraints...........    0
0.25	c Allocating memory
0.25	c 
0.25	c time limit = -1
0.25	c heuristic = dom/wdeg
0.25	c restart policy = No restart
0.25	c 
0.25	c Solving
0.25	c
18.29	s UNSATISFIABLE
18.29	d        UNSAT     10136 BTS        18 s

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node12/watcher-224789-1168269828 -o ROOT/results/node12/solver-224789-1168269828 -C 1800 -M 900 /tmp/evaluation/224789-1168269828/mistral/bin/solver /tmp/evaluation/224789-1168269828/unknown.xml -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
Current StackSize limit: 10240 KiB

/proc/loadavg: 1.72 1.93 1.97 5/94 30821
/proc/meminfo: memFree=1769232/2055920 swapFree=4160348/4192956
[pid=30820] ppid=30818 vsize=540 CPUtime=0
/proc/30820/stat : 30820 (solver) R 30818 30820 29570 0 -1 4194304 41 0 0 0 0 0 0 0 19 0 1 0 175377932 552960 26 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 9696036 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/30820/statm: 135 26 21 92 0 18 0

[startup+0.10381 s]
/proc/loadavg: 1.72 1.93 1.97 5/94 30821
/proc/meminfo: memFree=1769232/2055920 swapFree=4160348/4192956
[pid=30820] ppid=30818 vsize=8108 CPUtime=0.09
/proc/30820/stat : 30820 (solver) R 30818 30820 29570 0 -1 4194304 1095 0 0 0 9 0 0 0 19 0 1 0 175377932 8302592 1063 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4159426480 0 0 4096 0 0 0 0 17 1 0 0
/proc/30820/statm: 2027 1063 692 92 0 371 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8108

[startup+0.511879 s]
/proc/loadavg: 1.72 1.93 1.97 5/94 30821
/proc/meminfo: memFree=1769232/2055920 swapFree=4160348/4192956
[pid=30820] ppid=30818 vsize=9824 CPUtime=0.49
/proc/30820/stat : 30820 (solver) R 30818 30820 29570 0 -1 4194304 1525 0 0 0 49 0 0 0 23 0 1 0 175377932 10059776 1493 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134639577 0 0 4096 0 0 0 0 17 1 0 0
/proc/30820/statm: 2456 1493 709 92 0 800 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 9824

[startup+1.33303 s]
/proc/loadavg: 1.74 1.93 1.97 3/94 30821
/proc/meminfo: memFree=1766032/2055920 swapFree=4160348/4192956
[pid=30820] ppid=30818 vsize=9824 CPUtime=1.31
/proc/30820/stat : 30820 (solver) R 30818 30820 29570 0 -1 4194304 1525 0 0 0 131 0 0 0 25 0 1 0 175377932 10059776 1493 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134790716 0 0 4096 0 0 0 0 17 1 0 0
/proc/30820/statm: 2456 1493 709 92 0 800 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 9824

[startup+2.97032 s]
/proc/loadavg: 1.74 1.93 1.97 3/94 30821
/proc/meminfo: memFree=1766032/2055920 swapFree=4160348/4192956
[pid=30820] ppid=30818 vsize=9824 CPUtime=2.94
/proc/30820/stat : 30820 (solver) R 30818 30820 29570 0 -1 4194304 1525 0 0 0 294 0 0 0 25 0 1 0 175377932 10059776 1493 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134637305 0 0 4096 0 0 0 0 17 1 0 0
/proc/30820/statm: 2456 1493 709 92 0 800 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 9824

[startup+6.25291 s]
/proc/loadavg: 1.76 1.93 1.97 3/94 30821
/proc/meminfo: memFree=1766032/2055920 swapFree=4160348/4192956
[pid=30820] ppid=30818 vsize=9824 CPUtime=6.21
/proc/30820/stat : 30820 (solver) R 30818 30820 29570 0 -1 4194304 1525 0 0 0 621 0 0 0 25 0 1 0 175377932 10059776 1493 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134639594 0 0 4096 0 0 0 0 17 1 0 0
/proc/30820/statm: 2456 1493 709 92 0 800 0
Current children cumulated CPU time (s) 6.21
Current children cumulated vsize (KiB) 9824

[startup+12.7131 s]
/proc/loadavg: 1.78 1.93 1.97 3/94 30821
/proc/meminfo: memFree=1766032/2055920 swapFree=4160348/4192956
[pid=30820] ppid=30818 vsize=9824 CPUtime=12.64
/proc/30820/stat : 30820 (solver) R 30818 30820 29570 0 -1 4194304 1525 0 0 0 1264 0 0 0 25 0 1 0 175377932 10059776 1493 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134637510 0 0 4096 0 0 0 0 17 1 0 0
/proc/30820/statm: 2456 1493 709 92 0 800 0
Current children cumulated CPU time (s) 12.64
Current children cumulated vsize (KiB) 9824

Child status: 0
Real time (s): 18.3
CPU time (s): 18.2102
CPU user time (s): 18.2002
CPU system time (s): 0.009998
CPU usage (%): 99.5095
Max. virtual memory (cumulated for all children) (KiB): 9824

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 18.2002
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1535
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= 13
involuntary context switches= 932

runsolver used 0.020996 s user time and 0.05999 s system time

The end

Launcher Data (download as text)

Begin job on node12 on Mon Jan  8 15:23:49 UTC 2007


IDJOB= 224789
IDBENCH= 5792
FILE ID= node12/224789-1168269828

PBS_JOBID= 3482915

Free space on /tmp= 66324 MiB

BENCH NAME= HOME/pub/bench/CPAI06/tightness/tightness0.8/rand-2-40-80-103-800-73_ext.xml
COMMAND LINE= /tmp/evaluation/224789-1168269828/mistral/bin/solver /tmp/evaluation/224789-1168269828/unknown.xml -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node12/watcher-224789-1168269828 -o ROOT/results/node12/solver-224789-1168269828 -C 1800 -M 900  /tmp/evaluation/224789-1168269828/mistral/bin/solver /tmp/evaluation/224789-1168269828/unknown.xml -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  1c421096d04939b2325835991d641f60

RANDOM SEED= 46644339

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		: 3000.265
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:       1769712 kB
Buffers:         51844 kB
Cached:         133628 kB
SwapCached:       5132 kB
Active:         149380 kB
Inactive:        85972 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1769712 kB
SwapTotal:     4192956 kB
SwapFree:      4160348 kB
Dirty:            5016 kB
Writeback:           0 kB
Mapped:          66680 kB
Slab:            35640 kB
Committed_AS:  5094128 kB
PageTables:       2188 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= 66324 MiB



End job on node12 on Mon Jan  8 15:24:07 UTC 2007