Trace number 269499

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 3.1? (MO) 102.316 103.163

General information on the benchmark

Nametaillard/
os-taillard-10/os-taillard-10-95-4.xml
MD5SUMefc47bf91b64c1785ac74e5ecd05d9ec
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 benchmark19.3191
SatisfiableNO
(Un)Satisfiability was proved
Number of variables100
Number of constraints900
Maximum constraint arity2
Maximum domain size608
Number of constraints which are defined in extension0
Number of constraints which are defined in intension900
Global constraints used (with number of constraints)

Solver Data (download as text)



Verifier Data (download as text)




ERROR: Unexpected answer ! (SAT/UNSAT expected)
Got answer: 



Watcher Data (download as text)




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

command line: runsolver --timestamp -w ROOT/results/node22/watcher-269499-1168980834 -o ROOT/results/node22/solver-269499-1168980834 -C 1800 -M 900 /tmp/evaluation/269499-1168980834/VALCSP /tmp/evaluation/269499-1168980834/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+0.106696 s]
/proc/loadavg: 1.79 1.70 1.65 5/86 17375
/proc/meminfo: memFree=1453160/2055920 swapFree=4157544/4192956
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0
/proc/loadavg: 1.79 1.70 1.65 5/86 17375
/proc/meminfo: memFree=1453160/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=4108 CPUtime=0.1
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 781 0 0 0 10 0 0 0 20 0 1 0 246478170 4206592 759 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 1027 759 64 8 0 699 0

[startup+0.514741 s]
/proc/loadavg: 1.79 1.70 1.65 5/86 17375
/proc/meminfo: memFree=1453160/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=7804 CPUtime=0.49
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 1711 0 0 0 49 0 0 0 24 0 1 0 246478170 7991296 1689 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 1951 1689 64 8 0 1623 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 7804

[startup+1.33587 s]
/proc/loadavg: 1.79 1.70 1.65 3/86 17375
/proc/meminfo: memFree=1436840/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=15460 CPUtime=1.31
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 3609 0 0 0 130 1 0 0 25 0 1 0 246478170 15831040 3587 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528691 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 3865 3587 64 8 0 3537 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 15460

[startup+2.97612 s]
/proc/loadavg: 1.81 1.70 1.65 3/86 17375
/proc/meminfo: memFree=1419944/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=30772 CPUtime=2.94
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 7423 0 0 0 291 3 0 0 25 0 1 0 246478170 31510528 7401 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528704 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 7693 7401 64 8 0 7365 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 30772

[startup+6.25562 s]
/proc/loadavg: 1.81 1.70 1.65 3/86 17375
/proc/meminfo: memFree=1377320/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=59812 CPUtime=6.19
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 14686 0 0 0 613 6 0 0 25 0 1 0 246478170 61247488 14664 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 14953 14664 64 8 0 14625 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 59812

[startup+12.7176 s]
/proc/loadavg: 1.91 1.73 1.66 3/86 17375
/proc/meminfo: memFree=1288936/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=115648 CPUtime=12.6
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 28656 0 0 0 1249 11 0 0 25 0 1 0 246478170 118423552 28634 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 28912 28634 64 8 0 28584 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 115648

[startup+25.5266 s]
/proc/loadavg: 1.93 1.74 1.66 3/86 17375
/proc/meminfo: memFree=1127208/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=232864 CPUtime=25.29
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 57965 0 0 0 2506 23 0 0 25 0 1 0 246478170 238452736 57943 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528660 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 58216 57943 64 8 0 57888 0
Current children cumulated CPU time (s) 25.29
Current children cumulated vsize (KiB) 232864

[startup+51.1545 s]
/proc/loadavg: 1.95 1.76 1.67 3/86 17375
/proc/meminfo: memFree=786728/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=461092 CPUtime=50.73
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 115005 0 0 0 5029 44 0 0 25 0 1 0 246478170 472158208 114983 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 115273 114983 64 8 0 114945 0
Current children cumulated CPU time (s) 50.73
Current children cumulated vsize (KiB) 461092

[startup+102.409 s]
/proc/loadavg: 1.98 1.79 1.68 3/86 17375
/proc/meminfo: memFree=128680/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=916624 CPUtime=101.57
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 228915 0 0 0 10072 85 0 0 25 0 1 0 246478170 938622976 228893 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528704 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 229156 228893 64 8 0 228828 0
Current children cumulated CPU time (s) 101.57
Current children cumulated vsize (KiB) 916624



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+103.026 s]
/proc/loadavg: 1.98 1.79 1.68 3/86 17375
/proc/meminfo: memFree=110248/2055920 swapFree=4157544/4192956
[pid=17374] ppid=17372 vsize=921904 CPUtime=102.17
/proc/17374/stat : 17374 (VALCSP) R 17372 17374 17026 0 -1 4194304 230233 0 0 0 10132 85 0 0 25 0 1 0 246478170 944029696 230211 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/17374/statm: 230476 230211 64 8 0 230148 0
Current children cumulated CPU time (s) 102.17
Current children cumulated vsize (KiB) 921904

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

Child ended because it received signal 15 (SIGTERM)
Real time (s): 103.163
CPU time (s): 102.316
CPU user time (s): 101.326
CPU system time (s): 0.990849
CPU usage (%): 99.1792
Max. virtual memory (cumulated for all children) (KiB): 921904

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 101.326
system time used= 0.990849
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230233
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= 5
involuntary context switches= 2783

runsolver used 0.089986 s user time and 0.286956 s system time

The end



Launcher Data (download as text)




Begin job on node22 on Tue Jan 16 20:53:56 UTC 2007


IDJOB= 269499
IDBENCH= 6751
IDSOLVER= 90
FILE ID= node22/269499-1168980834

PBS_JOBID= 3566204

Free space on /tmp= 66564 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-10/os-taillard-10-95-4.xml
COMMAND LINE= /tmp/evaluation/269499-1168980834/VALCSP /tmp/evaluation/269499-1168980834/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node22/watcher-269499-1168980834 -o ROOT/results/node22/solver-269499-1168980834 -C 1800 -M 900  /tmp/evaluation/269499-1168980834/VALCSP /tmp/evaluation/269499-1168980834/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  efc47bf91b64c1785ac74e5ecd05d9ec

RANDOM SEED= 320396121

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		: 3000.279
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		: 3000.279
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:       1460488 kB
Buffers:         43620 kB
Cached:         187012 kB
SwapCached:      11244 kB
Active:         309192 kB
Inactive:       206696 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1460488 kB
SwapTotal:     4192956 kB
SwapFree:      4157544 kB
Dirty:             288 kB
Writeback:           0 kB
Mapped:         303832 kB
Slab:            63908 kB
Committed_AS:  4388100 kB
PageTables:       2696 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= 66564 MiB



End job on node22 on Tue Jan 16 20:55:41 UTC 2007