Trace number 1043390

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
casper zaoUNSAT 1.59576 1.60244

DiagnosticValue
CHECKS1259190

General information on the benchmark

Namecsp/QG6/
normalized-quasigroup6-7.xml
MD5SUM315bc9ed9331622c83acfd9cd3fe8a4b
Bench CategoryGLOBAL (global constraints)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.00885
Satisfiable
(Un)Satisfiability was proved
Number of variables243
Number of constraints195
Maximum constraint arity51
Maximum domain size43
Number of constraints which are defined in extension0
Number of constraints which are defined in intension84
Global constraints used (with number of constraints)alldifferent(14),element(97)

Solver Data (download as text)

0.00/0.00	c [ This is CaSPERzao (C) mvc@di.fct.unl.pt ]
0.00/0.00	c Parsing = 1
0.19/0.20	c Building = 1
0.19/0.20	c [ NumberOfVariables = 243 ]
0.19/0.20	c [ NumberOfConstraints = 195 ]
0.19/0.20	c [ SizeOfSearchSpace(log2) = 783.381 ]
0.19/0.20	c SymmetrySearch = 1
0.19/0.20	c [ Found 8.93802e+63 symmetries ]
0.19/0.20	c InitialPropagation = 1
0.19/0.20	c [ SizeOfSearchSpace(log2) = 565.883 ]
0.19/0.20	c InitialSAC = 1
0.89/0.91	c [ SizeOfSearchSpace(log2) = 548.163 ]
0.89/0.91	c Search(SampleFF) : 
1.49/1.60	c [ Sampling domwdeg ]
1.49/1.60	c Search(SampleFF) = 0
1.49/1.60	s UNSATISFIABLE
1.49/1.60	d CHECKS 1259188
1.49/1.60	c [ TotalFails = 453 ]
1.49/1.60	c [ NumberOfRestarts = 3 ]
1.49/1.60	c [ TotalTime = 1.56666 secs ]

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-1043390-1215028289/watcher-1043390-1215028289 -o /tmp/evaluation-result-1043390-1215028289/solver-1043390-1215028289 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzao HOME/instance-1043390-1215028289.xml 2086867963 

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: 2.07 2.02 2.00 4/73 12369
/proc/meminfo: memFree=1815128/2055920 swapFree=4179400/4192956
[pid=12369] ppid=12367 vsize=5352 CPUtime=0
/proc/12369/stat : 12369 (casperzao) R 12367 12369 11209 0 -1 4194304 216 0 0 0 0 0 0 0 18 0 1 0 615084623 5480448 191 996147200 134512640 135477443 4294956224 18446744073709551615 1575800 0 0 4096 0 0 0 0 17 1 0 0
/proc/12369/statm: 1338 192 158 235 0 27 0

[startup+0.0690491 s]
/proc/loadavg: 2.07 2.02 2.00 4/73 12369
/proc/meminfo: memFree=1815128/2055920 swapFree=4179400/4192956
[pid=12369] ppid=12367 vsize=287504 CPUtime=0.05
/proc/12369/stat : 12369 (casperzao) R 12367 12369 11209 0 -1 4194304 1226 0 0 0 5 0 0 0 18 0 1 0 615084623 294404096 776 996147200 134512640 135477443 4294956224 18446744073709551615 135215545 0 0 4096 0 0 0 0 17 1 0 0
/proc/12369/statm: 71876 776 464 235 0 70577 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 287504

[startup+0.102053 s]
/proc/loadavg: 2.07 2.02 2.00 4/73 12369
/proc/meminfo: memFree=1815128/2055920 swapFree=4179400/4192956
[pid=12369] ppid=12367 vsize=288032 CPUtime=0.09
/proc/12369/stat : 12369 (casperzao) R 12367 12369 11209 0 -1 4194304 1756 0 0 0 9 0 0 0 18 0 1 0 615084623 294944768 920 996147200 134512640 135477443 4294956224 18446744073709551615 135215689 0 0 4096 0 0 0 0 17 1 0 0
/proc/12369/statm: 72008 920 464 235 0 70709 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 288032

[startup+0.301074 s]
/proc/loadavg: 2.07 2.02 2.00 4/73 12369
/proc/meminfo: memFree=1815128/2055920 swapFree=4179400/4192956
[pid=12369] ppid=12367 vsize=101904 CPUtime=0.29
/proc/12369/stat : 12369 (casperzao) R 12367 12369 11209 0 -1 4194304 2433 0 0 0 28 1 0 0 19 0 1 0 615084623 104349696 1493 996147200 134512640 135477443 4294956224 18446744073709551615 134589925 0 0 4096 0 0 0 0 17 1 0 0
/proc/12369/statm: 25476 1494 539 235 0 24177 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 101904

[startup+0.701119 s]
/proc/loadavg: 2.07 2.02 2.00 4/73 12369
/proc/meminfo: memFree=1815128/2055920 swapFree=4179400/4192956
[pid=12369] ppid=12367 vsize=101904 CPUtime=0.69
/proc/12369/stat : 12369 (casperzao) R 12367 12369 11209 0 -1 4194304 2446 0 0 0 68 1 0 0 23 0 1 0 615084623 104349696 1506 996147200 134512640 135477443 4294956224 18446744073709551615 135270207 0 0 4096 0 0 0 0 17 1 0 0
/proc/12369/statm: 25476 1506 539 235 0 24177 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 101904

[startup+1.50221 s]
/proc/loadavg: 2.07 2.02 2.00 3/74 12370
/proc/meminfo: memFree=1811024/2055920 swapFree=4179400/4192956
[pid=12369] ppid=12367 vsize=101904 CPUtime=1.49
/proc/12369/stat : 12369 (casperzao) R 12367 12369 11209 0 -1 4194304 2481 0 0 0 148 1 0 0 25 0 1 0 615084623 104349696 1541 996147200 134512640 135477443 4294956224 18446744073709551615 135208694 0 0 4096 0 0 0 0 17 1 0 0
/proc/12369/statm: 25476 1541 542 235 0 24177 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 101904

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

[startup+1.60223 s]
/proc/loadavg: 2.07 2.02 2.00 3/74 12370
/proc/meminfo: memFree=1811024/2055920 swapFree=4179400/4192956
[pid=12369] ppid=12367 vsize=0 CPUtime=1.59
/proc/12369/stat : 12369 (casperzao) R 12367 12369 11209 0 -1 4194308 2483 0 0 0 158 1 0 0 25 0 1 0 615084623 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/12369/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 1.60244
CPU time (s): 1.59576
CPU user time (s): 1.58276
CPU system time (s): 0.012998
CPU usage (%): 99.583
Max. virtual memory (cumulated for all children) (KiB): 288032

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.58276
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2483
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= 13
involuntary context switches= 29

runsolver used 0.004999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node87 at 2008-07-02 21:51:30
IDJOB=1043390
IDBENCH=53916
IDSOLVER=361
FILE ID=node87/1043390-1215028289
PBS_JOBID= 7874297
Free space on /tmp= 66532 MiB

SOLVER NAME= casper zao
BENCH NAME= CPAI08/csp/QG6/normalized-quasigroup6-7.xml
COMMAND LINE= HOME/casperzao BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1043390-1215028289/watcher-1043390-1215028289 -o /tmp/evaluation-result-1043390-1215028289/solver-1043390-1215028289 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzao HOME/instance-1043390-1215028289.xml 2086867963 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 315bc9ed9331622c83acfd9cd3fe8a4b
RANDOM SEED=2086867963

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:       1815480 kB
Buffers:         23260 kB
Cached:         133312 kB
SwapCached:       7648 kB
Active:         129412 kB
Inactive:        43396 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1815480 kB
SwapTotal:     4192956 kB
SwapFree:      4179400 kB
Dirty:            3784 kB
Writeback:           0 kB
Mapped:          24060 kB
Slab:            52808 kB
Committed_AS:  1535804 kB
PageTables:       1836 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 2008-07-02 21:51:31