Trace number 1048864

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
MDG-noprobe 2008-06-27SAT 5.36918 5.42631

DiagnosticValue
ASSIGNMENTS11874
CHECKS4911170

General information on the benchmark

Namecsp/pseudo/ssa/
normalized-ssa-7552-038.xml
MD5SUMdb4b985699d9ef758bcb0bbb01d6b217
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.335948
Satisfiable
(Un)Satisfiability was proved
Number of variables3002
Number of constraints5072
Maximum constraint arity6
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension5072
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.01	c mistral-prime version 1.313
5.23/5.38	s SATISFIABLE
5.23/5.38	v 1 0 0 1 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 0 0 0 0 1 0 1 1 0 0 0 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 1 0 1 0 1 0 0 1 1 0 0 0 0 1 1 0 0 1 0 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 0 1 0 1 0 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 1 0 0 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 1 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 1 0 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 1 1 0 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 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1 0 1 0 0 1 1 0
5.23/5.38	d CHECKS 4911167
5.23/5.38	d ASSIGNMENTS 11874

Verifier Data (download as text)

OK

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-1048864-1215044185/watcher-1048864-1215044185 -o /tmp/evaluation-result-1048864-1215044185/solver-1048864-1215044185 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1048864-1215044185.xml -heu dom/wdeg -res no 

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: 2.18 2.03 1.95 4/81 9468
/proc/meminfo: memFree=1767272/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=820 CPUtime=0
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 39 0 0 0 0 0 0 0 19 0 1 0 1983393190 839680 25 996147200 134512640 135239859 4294956208 18446744073709551615 7512868 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 205 25 19 177 0 3 0

[startup+0.113104 s]
/proc/loadavg: 2.18 2.03 1.95 4/81 9468
/proc/meminfo: memFree=1767272/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=6732 CPUtime=0.09
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 982 0 0 0 9 0 0 0 20 0 1 0 1983393190 6893568 948 996147200 134512640 135239859 4294956208 18446744073709551615 4159670442 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 1683 948 372 177 0 586 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6732

[startup+0.202757 s]
/proc/loadavg: 2.18 2.03 1.95 4/81 9468
/proc/meminfo: memFree=1767272/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=8312 CPUtime=0.18
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 1353 0 0 0 18 0 0 0 20 0 1 0 1983393190 8511488 1319 996147200 134512640 135239859 4294956208 18446744073709551615 134618090 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 2078 1319 372 177 0 981 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 8312

[startup+0.307675 s]
/proc/loadavg: 2.18 2.03 1.95 4/81 9468
/proc/meminfo: memFree=1767272/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=15704 CPUtime=0.28
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 3234 0 0 0 27 1 0 0 21 0 1 0 1983393190 16080896 3200 996147200 134512640 135239859 4294956208 18446744073709551615 134821663 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 3926 3200 412 177 0 2829 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 15704

[startup+0.701166 s]
/proc/loadavg: 2.18 2.03 1.95 4/81 9468
/proc/meminfo: memFree=1767272/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=15704 CPUtime=0.68
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 3234 0 0 0 67 1 0 0 25 0 1 0 1983393190 16080896 3200 996147200 134512640 135239859 4294956208 18446744073709551615 134803110 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 3926 3200 412 177 0 2829 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 15704

[startup+1.50123 s]
/proc/loadavg: 2.18 2.03 1.95 4/82 9469
/proc/meminfo: memFree=1756000/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=15704 CPUtime=1.47
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 3234 0 0 0 146 1 0 0 25 0 1 0 1983393190 16080896 3200 996147200 134512640 135239859 4294956208 18446744073709551615 135074331 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 3926 3200 412 177 0 2829 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 15704

[startup+3.10137 s]
/proc/loadavg: 2.17 2.03 1.95 4/82 9469
/proc/meminfo: memFree=1755872/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=15704 CPUtime=3.06
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 3235 0 0 0 305 1 0 0 25 0 1 0 1983393190 16080896 3201 996147200 134512640 135239859 4294956208 18446744073709551615 134820029 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 3926 3201 412 177 0 2829 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 15704

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

[startup+3.20138 s]
/proc/loadavg: 2.17 2.03 1.95 4/82 9469
/proc/meminfo: memFree=1755872/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=15704 CPUtime=3.16
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 3235 0 0 0 315 1 0 0 25 0 1 0 1983393190 16080896 3201 996147200 134512640 135239859 4294956208 18446744073709551615 135096246 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 3926 3201 412 177 0 2829 0
Current children cumulated CPU time (s) 3.16
Current children cumulated vsize (KiB) 15704

[startup+4.80153 s]
/proc/loadavg: 2.17 2.03 1.95 4/82 9469
/proc/meminfo: memFree=1755872/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=15704 CPUtime=4.73
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 3235 0 0 0 472 1 0 0 25 0 1 0 1983393190 16080896 3201 996147200 134512640 135239859 4294956208 18446744073709551615 134842632 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 3926 3201 412 177 0 2829 0
Current children cumulated CPU time (s) 4.73
Current children cumulated vsize (KiB) 15704

[startup+5.20157 s]
/proc/loadavg: 2.17 2.03 1.95 4/82 9469
/proc/meminfo: memFree=1755872/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=15704 CPUtime=5.13
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 3235 0 0 0 512 1 0 0 25 0 1 0 1983393190 16080896 3201 996147200 134512640 135239859 4294956208 18446744073709551615 134842589 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 3926 3201 412 177 0 2829 0
Current children cumulated CPU time (s) 5.13
Current children cumulated vsize (KiB) 15704

[startup+5.40159 s]
/proc/loadavg: 2.17 2.03 1.95 4/82 9469
/proc/meminfo: memFree=1755872/2055920 swapFree=4180972/4192956
[pid=9468] ppid=9466 vsize=15704 CPUtime=5.33
/proc/9468/stat : 9468 (xsolve) R 9466 9468 8194 0 -1 4194304 3245 0 0 0 532 1 0 0 25 0 1 0 1983393190 16080896 3211 996147200 134512640 135239859 4294956208 18446744073709551615 7942296 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 3926 3211 419 177 0 2829 0
Current children cumulated CPU time (s) 5.33
Current children cumulated vsize (KiB) 15704

Child status: 0
Real time (s): 5.42631
CPU time (s): 5.36918
CPU user time (s): 5.34919
CPU system time (s): 0.019996
CPU usage (%): 98.9472
Max. virtual memory (cumulated for all children) (KiB): 15704

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.34919
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3254
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= 7
involuntary context switches= 198

runsolver used 0.009998 second user time and 0.025996 second system time

The end

Launcher Data (download as text)

Begin job on node15 at 2008-07-03 02:16:26
IDJOB=1048864
IDBENCH=54520
IDSOLVER=343
FILE ID=node15/1048864-1215044185
PBS_JOBID= 7875144
Free space on /tmp= 66552 MiB

SOLVER NAME= MDG-noprobe 2008-06-27
BENCH NAME= CPAI08/csp/pseudo/ssa/normalized-ssa-7552-038.xml
COMMAND LINE= HOME/xsolve BENCHNAME -heu dom/wdeg -res no 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1048864-1215044185/watcher-1048864-1215044185 -o /tmp/evaluation-result-1048864-1215044185/solver-1048864-1215044185 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1048864-1215044185.xml -heu dom/wdeg -res no 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= db4b985699d9ef758bcb0bbb01d6b217
RANDOM SEED=128727590

node15.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		: 3000.229
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		: 3000.229
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:       1767624 kB
Buffers:         34660 kB
Cached:         147544 kB
SwapCached:       6020 kB
Active:         146980 kB
Inactive:        70156 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1767624 kB
SwapTotal:     4192956 kB
SwapFree:      4180972 kB
Dirty:            2272 kB
Writeback:           0 kB
Mapped:          51260 kB
Slab:            56060 kB
Committed_AS:  3443560 kB
PageTables:       2044 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= 66548 MiB
End job on node15 at 2008-07-03 02:16:31