Trace number 233713

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) 168.085 169.565

General information on the benchmark

Nametaillard/os-taillard-15/
os-taillard-15-100-9.xml
MD5SUMbf3ae01f7ee0d46a4b8c500f7d319d1f
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 benchmark0.649901
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables225
Number of constraints3150
Maximum constraint arity2
Maximum domain size935
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3150
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/node33/watcher-233713-1168327520 -o ROOT/results/node33/solver-233713-1168327520 -C 1800 -M 900 /tmp/evaluation/233713-1168327520/VALCSP /tmp/evaluation/233713-1168327520/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

/proc/loadavg: 2.00 2.00 2.00 5/74 23614
/proc/meminfo: memFree=1386352/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=2392 CPUtime=0
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 360 0 0 0 0 0 0 0 20 0 1 0 181145882 2449408 338 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 11380347 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 598 338 62 8 0 270 0

[startup+0.107793 s]
/proc/loadavg: 2.00 2.00 2.00 5/74 23614
/proc/meminfo: memFree=1386352/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=9972 CPUtime=0.09
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 2230 0 0 0 8 1 0 0 20 0 1 0 181145882 10211328 2208 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 2493 2208 64 8 0 2165 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9972

[startup+0.515874 s]
/proc/loadavg: 2.00 2.00 2.00 5/74 23614
/proc/meminfo: memFree=1386352/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=9972 CPUtime=0.5
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 2230 0 0 0 49 1 0 0 24 0 1 0 181145882 10211328 2208 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 2493 2208 64 8 0 2165 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 9972

[startup+1.33704 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 23614
/proc/meminfo: memFree=1374512/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=16308 CPUtime=1.31
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 3816 0 0 0 130 1 0 0 25 0 1 0 181145882 16699392 3794 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 4077 3794 64 8 0 3749 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 16308

[startup+2.97439 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 23614
/proc/meminfo: memFree=1368112/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=25416 CPUtime=2.93
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 6077 0 0 0 291 2 0 0 25 0 1 0 181145882 26025984 6055 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 6354 6055 64 8 0 6026 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 25416

[startup+6.25706 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 23614
/proc/meminfo: memFree=1349880/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=40860 CPUtime=6.18
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 9943 0 0 0 614 4 0 0 25 0 1 0 181145882 41840640 9921 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 10215 9921 64 8 0 9887 0
Current children cumulated CPU time (s) 6.18
Current children cumulated vsize (KiB) 40860

[startup+12.7174 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 23614
/proc/meminfo: memFree=1312568/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=77952 CPUtime=12.59
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 19235 0 0 0 1250 9 0 0 25 0 1 0 181145882 79822848 19213 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 19488 19213 64 8 0 19160 0
Current children cumulated CPU time (s) 12.59
Current children cumulated vsize (KiB) 77952

[startup+25.532 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 23614
/proc/meminfo: memFree=1243576/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=146988 CPUtime=25.3
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 36489 0 0 0 2513 17 0 0 25 0 1 0 181145882 150515712 36467 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 36747 36467 64 8 0 36419 0
Current children cumulated CPU time (s) 25.3
Current children cumulated vsize (KiB) 146988

[startup+51.1803 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 23614
/proc/meminfo: memFree=1103480/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=286776 CPUtime=50.73
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 71411 0 0 0 5038 35 0 0 25 0 1 0 181145882 293658624 71389 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 71694 71389 64 8 0 71366 0
Current children cumulated CPU time (s) 50.73
Current children cumulated vsize (KiB) 286776

[startup+102.454 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 23614
/proc/meminfo: memFree=832312/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=560940 CPUtime=101.55
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 139958 0 0 0 10088 67 0 0 25 0 1 0 181145882 574402560 139936 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 140235 139936 64 8 0 139907 0
Current children cumulated CPU time (s) 101.55
Current children cumulated vsize (KiB) 560940

[startup+162.546 s]
/proc/loadavg: 2.07 2.02 2.00 3/74 23614
/proc/meminfo: memFree=502904/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=882888 CPUtime=161.12
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 220464 0 0 0 16007 105 0 0 25 0 1 0 181145882 904077312 220442 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 220722 220442 64 8 0 220394 0
Current children cumulated CPU time (s) 161.12
Current children cumulated vsize (KiB) 882888



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+169.415 s]
/proc/loadavg: 2.07 2.02 2.00 3/74 23614
/proc/meminfo: memFree=463800/2055920 swapFree=4192224/4192956
[pid=23613] ppid=23611 vsize=921960 CPUtime=167.93
/proc/23613/stat : 23613 (VALCSP) R 23611 23613 22305 0 -1 4194304 230218 0 0 0 16683 110 0 0 25 0 1 0 181145882 944087040 230196 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530923 0 0 4096 0 0 0 0 17 1 0 0
/proc/23613/statm: 230490 230196 64 8 0 230162 0
Current children cumulated CPU time (s) 167.93
Current children cumulated vsize (KiB) 921960

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 169.565
CPU time (s): 168.085
CPU user time (s): 166.836
CPU system time (s): 1.24981
CPU usage (%): 99.1276
Max. virtual memory (cumulated for all children) (KiB): 921960

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 166.836
system time used= 1.24981
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230218
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= 6
involuntary context switches= 3673

runsolver used 0.205968 s user time and 0.506922 s system time

The end



Launcher Data (download as text)




Begin job on node33 on Tue Jan  9 07:25:20 UTC 2007


IDJOB= 233713
IDBENCH= 6628
FILE ID= node33/233713-1168327520

PBS_JOBID= 3502990

Free space on /tmp= 66547 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-15/os-taillard-15-100-9.xml
COMMAND LINE= /tmp/evaluation/233713-1168327520/VALCSP /tmp/evaluation/233713-1168327520/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node33/watcher-233713-1168327520 -o ROOT/results/node33/solver-233713-1168327520 -C 1800 -M 900  /tmp/evaluation/233713-1168327520/VALCSP /tmp/evaluation/233713-1168327520/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  bf3ae01f7ee0d46a4b8c500f7d319d1f

RANDOM SEED= 544594802

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		: 3000.281
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		: 3000.281
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:       1386768 kB
Buffers:          6960 kB
Cached:         556968 kB
SwapCached:        268 kB
Active:         127432 kB
Inactive:       490604 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1386768 kB
SwapTotal:     4192956 kB
SwapFree:      4192224 kB
Dirty:             568 kB
Writeback:           0 kB
Mapped:          64840 kB
Slab:            36540 kB
Committed_AS:  3496672 kB
PageTables:       1828 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= 66547 MiB



End job on node33 on Tue Jan  9 07:28:10 UTC 2007