Trace number 1056539

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
Mistral-prime 1.313SAT 0.175972 0.175724

DiagnosticValue
ASSIGNMENTS271
CHECKS734485

General information on the benchmark

Namecsp/os-gp/
normalized-gp10-02-1097.xml
MD5SUMdb569eb1a10e368cbf1419b196a88571
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.095984
Satisfiable
(Un)Satisfiability was proved
Number of variables101
Number of constraints1000
Maximum constraint arity2
Maximum domain size1098
Number of constraints which are defined in extension0
Number of constraints which are defined in intension1000
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.00	c mistral-prime version 1.313
0.09/0.16	s SATISFIABLE
0.09/0.16	v 1097 1058 1059 1077 1055 1094 0 1074 340 935 1037 184 1077 1058 672 0 1070 2 964 3 128 37 1092 283 964 57 1091 3 898 128 1055 86 16 1083 1056 186 1079 1 206 340 612 1 206 1078 6 14 1072 772 128 0 113 1073 113 1070 208 187 635 0 1057 1074 1 1059 1074 935 2 560 1077 6 0 625 185 672 1058 0 635 249 1074 1077 1070 612 560 0 772 1073 205 128 1045 208 2 119 1091 16 0 249 37 579 336 205 1095 283 1094
0.09/0.16	d CHECKS 734485
0.09/0.16	d ASSIGNMENTS 271

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1056539-1215063520/watcher-1056539-1215063520 -o /tmp/evaluation-result-1056539-1215063520/solver-1056539-1215063520 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1056539-1215063520.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): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.00 2.01 2.00 4/73 18892
/proc/meminfo: memFree=1722328/2055920 swapFree=4179400/4192956
[pid=18892] ppid=18890 vsize=4580 CPUtime=0
/proc/18892/stat : 18892 (xsolve) R 18890 18892 12708 0 -1 4194304 350 0 0 0 0 0 0 0 18 0 1 0 618607624 4689920 316 996147200 134512640 135237403 4294956256 18446744073709551615 1775264 0 0 4096 0 0 0 0 17 0 0 0
/proc/18892/statm: 1145 325 279 176 0 49 0

[startup+0.082616 s]
/proc/loadavg: 2.00 2.01 2.00 4/73 18892
/proc/meminfo: memFree=1722328/2055920 swapFree=4179400/4192956
[pid=18892] ppid=18890 vsize=8612 CPUtime=0.07
/proc/18892/stat : 18892 (xsolve) R 18890 18892 12708 0 -1 4194304 1474 0 0 0 7 0 0 0 18 0 1 0 618607624 8818688 1440 996147200 134512640 135237403 4294956256 18446744073709551615 134840488 0 0 4096 0 0 0 0 17 0 0 0
/proc/18892/statm: 2153 1440 407 176 0 1057 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 8612

[startup+0.101619 s]
/proc/loadavg: 2.00 2.01 2.00 4/73 18892
/proc/meminfo: memFree=1722328/2055920 swapFree=4179400/4192956
[pid=18892] ppid=18890 vsize=8612 CPUtime=0.09
/proc/18892/stat : 18892 (xsolve) R 18890 18892 12708 0 -1 4194304 1474 0 0 0 9 0 0 0 18 0 1 0 618607624 8818688 1440 996147200 134512640 135237403 4294956256 18446744073709551615 135028894 0 0 4096 0 0 0 0 17 0 0 0
/proc/18892/statm: 2153 1440 407 176 0 1057 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8612

Solver just ended. Dumping a history of the last processes samples

Child status: 0
Real time (s): 0.175724
CPU time (s): 0.175972
CPU user time (s): 0.166974
CPU system time (s): 0.008998
CPU usage (%): 100.141
Max. virtual memory (cumulated for all children) (KiB): 8612

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.166974
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= 1507
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= 5

runsolver used 0.001999 second user time and 0.006998 second system time

The end

Launcher Data (download as text)

Begin job on node87 at 2008-07-03 07:38:40
IDJOB=1056539
IDBENCH=57654
IDSOLVER=358
FILE ID=node87/1056539-1215063520
PBS_JOBID= 7875003
Free space on /tmp= 66528 MiB

SOLVER NAME= Mistral-prime 1.313
BENCH NAME= CPAI08/csp/os-gp/normalized-gp10-02-1097.xml
COMMAND LINE= HOME/xsolve BENCHNAME 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1056539-1215063520/watcher-1056539-1215063520 -o /tmp/evaluation-result-1056539-1215063520/solver-1056539-1215063520 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1056539-1215063520.xml 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= db569eb1a10e368cbf1419b196a88571
RANDOM SEED=1157032558

node87.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		: 3000.232
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		: 3000.232
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1722808 kB
Buffers:         42204 kB
Cached:         166388 kB
SwapCached:       7648 kB
Active:         163588 kB
Inactive:        98280 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1722808 kB
SwapTotal:     4192956 kB
SwapFree:      4179400 kB
Dirty:            1044 kB
Writeback:           0 kB
Mapped:          60624 kB
Slab:            56480 kB
Committed_AS:  1542868 kB
PageTables:       1900 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264992 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66528 MiB
End job on node87 at 2008-07-03 07:38:40