Trace number 1088965

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
bpsolver 2008-06-27UNSAT 2.58461 2.6175

General information on the benchmark

Namecsp/graphColoring/register/inithx/
normalized-inithx-i-1-10.xml
MD5SUM2f4600fcc9d9d18c52a98a6aedbd8274
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.669897
Satisfiable
(Un)Satisfiability was proved
Number of variables864
Number of constraints18707
Maximum constraint arity2
Maximum domain size10
Number of constraints which are defined in extension0
Number of constraints which are defined in intension18707
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.02	c bpsolver version 6.27.2008
0.00/0.02	c converting(HOME/instance-1088965-1215260819)
1.96/2.04	c Converted in 879 ms
1.96/2.04	c solving(HOME/instance-1088965-1215260819,1800000)
2.56/2.61	s UNSATISFIABLE
2.56/2.61	
2.56/2.61	
2.56/2.61	c Time=549 ms
2.56/2.61

Verifier Data (download as text)

No possible verification on an UNSAT instance

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-1088965-1215260819/watcher-1088965-1215260819 -o /tmp/evaluation-result-1088965-1215260819/solver-1088965-1215260819 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/solver HOME/instance-1088965-1215260819 1800 

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 2.02 2.00 4/72 27117
/proc/meminfo: memFree=1582720/2055920 swapFree=4122888/4192956
[pid=27117] ppid=27115 vsize=18572 CPUtime=0
/proc/27117/stat : 27117 (runsolver) R 27115 27117 26664 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 1555756988 19017728 292 996147200 4194304 4296836 548682068480 18446744073709551615 252429528359 0 0 4096 24578 0 0 0 17 1 0 0
/proc/27117/statm: 4643 292 257 25 0 2626 0

[startup+0.071609 s]
/proc/loadavg: 2.00 2.02 2.00 4/72 27117
/proc/meminfo: memFree=1582720/2055920 swapFree=4122888/4192956
[pid=27117] ppid=27115 vsize=56080 CPUtime=0.06
/proc/27117/stat : 27117 (bprolog) R 27115 27117 26664 0 -1 4194304 1183 0 0 0 4 2 0 0 20 0 1 0 1555756988 57425920 896 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/27117/statm: 14020 896 174 116 0 13531 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 56080

[startup+0.101608 s]
/proc/loadavg: 2.00 2.02 2.00 4/72 27117
/proc/meminfo: memFree=1582720/2055920 swapFree=4122888/4192956
[pid=27117] ppid=27115 vsize=56080 CPUtime=0.09
/proc/27117/stat : 27117 (bprolog) R 27115 27117 26664 0 -1 4194304 1196 0 0 0 5 4 0 0 20 0 1 0 1555756988 57425920 909 996147200 134512640 134990860 4294956096 18446744073709551615 134567608 0 0 4096 2 0 0 0 17 1 0 0
/proc/27117/statm: 14020 909 178 116 0 13531 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 56080

[startup+0.301631 s]
/proc/loadavg: 2.00 2.02 2.00 4/72 27117
/proc/meminfo: memFree=1582720/2055920 swapFree=4122888/4192956
[pid=27117] ppid=27115 vsize=56080 CPUtime=0.28
/proc/27117/stat : 27117 (bprolog) R 27115 27117 26664 0 -1 4194304 1203 0 0 0 14 14 0 0 21 0 1 0 1555756988 57425920 916 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/27117/statm: 14020 916 178 116 0 13531 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 56080

[startup+0.701666 s]
/proc/loadavg: 2.00 2.02 2.00 4/72 27117
/proc/meminfo: memFree=1582720/2055920 swapFree=4122888/4192956
[pid=27117] ppid=27115 vsize=56080 CPUtime=0.68
/proc/27117/stat : 27117 (bprolog) R 27115 27117 26664 0 -1 4194304 1215 0 0 0 31 37 0 0 25 0 1 0 1555756988 57425920 928 996147200 134512640 134990860 4294956096 18446744073709551615 134773307 0 0 4096 2 0 0 0 17 1 0 0
/proc/27117/statm: 14020 928 178 116 0 13531 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 56080

[startup+1.50175 s]
/proc/loadavg: 2.00 2.02 2.00 3/73 27118
/proc/meminfo: memFree=1579192/2055920 swapFree=4122888/4192956
[pid=27117] ppid=27115 vsize=56080 CPUtime=1.47
/proc/27117/stat : 27117 (bprolog) R 27115 27117 26664 0 -1 4194304 1237 0 0 0 65 82 0 0 25 0 1 0 1555756988 57425920 950 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/27117/statm: 14020 950 178 116 0 13531 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 56080

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

[startup+2.30284 s]
/proc/loadavg: 2.00 2.02 2.00 3/73 27118
/proc/meminfo: memFree=1576704/2055920 swapFree=4122888/4192956
[pid=27117] ppid=27115 vsize=68576 CPUtime=2.26
/proc/27117/stat : 27117 (bprolog) R 27115 27117 26664 0 -1 4194304 4077 0 0 0 113 113 0 0 25 0 1 0 1555756988 70221824 3785 996147200 134512640 134990860 4294956096 18446744073709551615 134571803 0 0 4096 2 0 0 0 17 1 0 0
/proc/27117/statm: 17144 3785 184 116 0 16655 0
Current children cumulated CPU time (s) 2.26
Current children cumulated vsize (KiB) 68576

[startup+2.50285 s]
/proc/loadavg: 2.00 2.02 2.00 3/73 27118
/proc/meminfo: memFree=1576704/2055920 swapFree=4122888/4192956
[pid=27117] ppid=27115 vsize=68576 CPUtime=2.46
/proc/27117/stat : 27117 (bprolog) R 27115 27117 26664 0 -1 4194304 4077 0 0 0 133 113 0 0 25 0 1 0 1555756988 70221824 3785 996147200 134512640 134990860 4294956096 18446744073709551615 134570648 0 0 4096 2 0 0 0 17 1 0 0
/proc/27117/statm: 17144 3785 184 116 0 16655 0
Current children cumulated CPU time (s) 2.46
Current children cumulated vsize (KiB) 68576

[startup+2.60286 s]
/proc/loadavg: 2.00 2.02 2.00 3/73 27118
/proc/meminfo: memFree=1576704/2055920 swapFree=4122888/4192956
[pid=27117] ppid=27115 vsize=68576 CPUtime=2.56
/proc/27117/stat : 27117 (bprolog) R 27115 27117 26664 0 -1 4194304 4100 0 0 0 143 113 0 0 25 0 1 0 1555756988 70221824 3808 996147200 134512640 134990860 4294956096 18446744073709551615 134571801 0 0 4096 2 0 0 0 17 1 0 0
/proc/27117/statm: 17144 3808 184 116 0 16655 0
Current children cumulated CPU time (s) 2.56
Current children cumulated vsize (KiB) 68576

Child status: 0
Real time (s): 2.6175
CPU time (s): 2.58461
CPU user time (s): 1.44578
CPU system time (s): 1.13883
CPU usage (%): 98.7434
Max. virtual memory (cumulated for all children) (KiB): 68576

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.44578
system time used= 1.13883
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4104
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= 3
involuntary context switches= 79

runsolver used 0.010998 second user time and 0.010998 second system time

The end

Launcher Data (download as text)

Begin job on node12 at 2008-07-05 14:26:59
IDJOB=1088965
IDBENCH=58154
IDSOLVER=347
FILE ID=node12/1088965-1215260819
PBS_JOBID= 7882104
Free space on /tmp= 66356 MiB

SOLVER NAME= bpsolver 2008-06-27
BENCH NAME= CPAI08/csp/graphColoring/register/inithx/normalized-inithx-i-1-10.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1088965-1215260819/watcher-1088965-1215260819 -o /tmp/evaluation-result-1088965-1215260819/solver-1088965-1215260819 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/solver HOME/instance-1088965-1215260819 1800

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 2f4600fcc9d9d18c52a98a6aedbd8274
RANDOM SEED=1122704737

node12.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		: 3000.236
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		: 3000.236
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:       1583200 kB
Buffers:         66536 kB
Cached:         238796 kB
SwapCached:      64520 kB
Active:         293312 kB
Inactive:       123988 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1583200 kB
SwapTotal:     4192956 kB
SwapFree:      4122888 kB
Dirty:            3436 kB
Writeback:           0 kB
Mapped:         119552 kB
Slab:            40564 kB
Committed_AS:  3154844 kB
PageTables:       1948 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= 66356 MiB
End job on node12 at 2008-07-05 14:27:02