Trace number 235258

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 3.0? (MO) 111 111.934

General information on the benchmark

Nametaillard/os-taillard-10/
os-taillard-10-100-1.xml
MD5SUM74cf29d3ab94d83fc52e373a6d01ad7d
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 benchmark0.428934
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables100
Number of constraints900
Maximum constraint arity2
Maximum domain size587
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/node59/watcher-235258-1168336728 -o ROOT/results/node59/solver-235258-1168336728 -C 1800 -M 900 /tmp/evaluation/235258-1168336728/VALCSP /tmp/evaluation/235258-1168336728/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+0.105601 s]
/proc/loadavg: 2.00 2.00 1.94 5/74 23590
/proc/meminfo: memFree=1483280/2055920 swapFree=4192812/4192956
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0
/proc/loadavg: 2.00 2.00 1.94 5/74 23590
/proc/meminfo: memFree=1483280/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=3856 CPUtime=0.09
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 716 0 0 0 9 0 0 0 20 0 1 0 182070705 3948544 694 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530957 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 964 694 64 8 0 636 0

[startup+0.513645 s]
/proc/loadavg: 2.00 2.00 1.94 5/74 23590
/proc/meminfo: memFree=1483280/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=8212 CPUtime=0.5
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 1786 0 0 0 50 0 0 0 24 0 1 0 182070705 8409088 1764 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 2053 1764 64 8 0 1725 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 8212

[startup+1.33474 s]
/proc/loadavg: 2.00 2.00 1.94 3/74 23590
/proc/meminfo: memFree=1471248/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=15604 CPUtime=1.31
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 3660 0 0 0 130 1 0 0 25 0 1 0 182070705 15978496 3638 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 3901 3638 64 8 0 3573 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 15604

[startup+2.97191 s]
/proc/loadavg: 2.00 2.00 1.94 3/74 23590
/proc/meminfo: memFree=1461584/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=29068 CPUtime=2.94
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 7010 0 0 0 291 3 0 0 25 0 1 0 182070705 29765632 6988 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530948 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 7267 6988 64 8 0 6939 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 29068

[startup+6.25728 s]
/proc/loadavg: 2.00 2.00 1.94 3/74 23590
/proc/meminfo: memFree=1432272/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=56128 CPUtime=6.2
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 13787 0 0 0 614 6 0 0 25 0 1 0 182070705 57475072 13765 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530258 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 14032 13765 64 8 0 13704 0
Current children cumulated CPU time (s) 6.2
Current children cumulated vsize (KiB) 56128

[startup+12.714 s]
/proc/loadavg: 2.00 2.00 1.94 3/74 23590
/proc/meminfo: memFree=1375952/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=112096 CPUtime=12.6
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 27774 0 0 0 1248 12 0 0 25 0 1 0 182070705 114786304 27752 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530948 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 28024 27752 64 8 0 27696 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 112096

[startup+25.5314 s]
/proc/loadavg: 2.00 2.00 1.94 3/74 23590
/proc/meminfo: memFree=1276240/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=215584 CPUtime=25.32
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 53647 0 0 0 2510 22 0 0 25 0 1 0 182070705 220758016 53625 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530216 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 53896 53625 64 8 0 53568 0
Current children cumulated CPU time (s) 25.32
Current children cumulated vsize (KiB) 215584

[startup+51.1762 s]
/proc/loadavg: 2.00 2.00 1.94 3/74 23590
/proc/meminfo: memFree=1065104/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=421504 CPUtime=50.74
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 105135 0 0 0 5032 42 0 0 25 0 1 0 182070705 431620096 105113 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 105376 105113 64 8 0 105048 0
Current children cumulated CPU time (s) 50.74
Current children cumulated vsize (KiB) 421504

[startup+102.455 s]
/proc/loadavg: 2.00 2.00 1.94 3/74 23590
/proc/meminfo: memFree=645712/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=845752 CPUtime=101.6
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 211178 0 0 0 10075 85 0 0 25 0 1 0 182070705 866050048 211156 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 211438 211156 64 8 0 211110 0
Current children cumulated CPU time (s) 101.6
Current children cumulated vsize (KiB) 845752



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+111.788 s]
/proc/loadavg: 2.00 2.00 1.94 3/74 23590
/proc/meminfo: memFree=560464/2055920 swapFree=4192812/4192956
[pid=23589] ppid=23587 vsize=922840 CPUtime=110.85
/proc/23589/stat : 23589 (VALCSP) R 23587 23589 22371 0 -1 4194304 230459 0 0 0 10992 93 0 0 25 0 1 0 182070705 944988160 230437 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530948 0 0 4096 0 0 0 0 17 1 0 0
/proc/23589/statm: 230710 230437 64 8 0 230382 0
Current children cumulated CPU time (s) 110.85
Current children cumulated vsize (KiB) 922840

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 111.934
CPU time (s): 111
CPU user time (s): 109.92
CPU system time (s): 1.07983
CPU usage (%): 99.1653
Max. virtual memory (cumulated for all children) (KiB): 922840

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 109.92
system time used= 1.07984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230459
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= 2294

runsolver used 0.111982 s user time and 0.350946 s system time

The end



Launcher Data (download as text)




Begin job on node59 on Tue Jan  9 09:58:48 UTC 2007


IDJOB= 235258
IDBENCH= 6754
FILE ID= node59/235258-1168336728

PBS_JOBID= 3503320

Free space on /tmp= 66539 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-10/os-taillard-10-100-1.xml
COMMAND LINE= /tmp/evaluation/235258-1168336728/VALCSP /tmp/evaluation/235258-1168336728/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node59/watcher-235258-1168336728 -o ROOT/results/node59/solver-235258-1168336728 -C 1800 -M 900  /tmp/evaluation/235258-1168336728/VALCSP /tmp/evaluation/235258-1168336728/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  74cf29d3ab94d83fc52e373a6d01ad7d

RANDOM SEED= 974095720

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		: 3000.239
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		: 3000.239
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:       1484016 kB
Buffers:         68772 kB
Cached:         364796 kB
SwapCached:          0 kB
Active:         257160 kB
Inactive:       255888 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1484016 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             184 kB
Writeback:           0 kB
Mapped:          90808 kB
Slab:            43968 kB
Committed_AS:  3942152 kB
PageTables:       1972 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= 66539 MiB



End job on node59 on Tue Jan  9 10:00:40 UTC 2007