Trace number 237649

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 3.0Wrong Cert. 30.6863 30.9859

DiagnosticValue
CHECKS79637200
NODES2401

General information on the benchmark

Namehaystacks/
haystacks_49.xml
MD5SUMcfa08dc252192b52b2d0f49efc22ee50
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables2401
Number of constraints57672
Maximum constraint arity2
Maximum domain size49
Number of constraints which are defined in extension0
Number of constraints which are defined in intension57672
Global constraints used (with number of constraints)

Solver Data (download as text)

30.87	s SATISFIABLE
30.87	v 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 1 1 0 2 0 1 0 0 0 0 0 1 0 3 3 0 0 1 2 1 1 1 1 4 5 0 0 2 1 1 1 1 4 0 2 2 0 3 0 0 1 1 17 2 1 10 1 1 2 0 3 1 1 0 2 1 3 4 0 1 2 5 1 4 1 2 2 1 1 2 3 2 1 3 2 3 1 1 2 2 3 2 3 2 0 5 4 2 1 2 0 3 1 2 2 2 9 2 0 1 3 0 3 3 2 3 4 2 2 2 5 2 3 4 2 4 4 1 5 6 3 6 2 3 3 4 5 1 6 4 2 2 0 1 4 3 3 5 0 3 3 3 3 2 1 4 4 4 1 5 5 3 4 3 3 1 4 5 3 4 5 1 6 5 2 3 1 7 4 1 2 4 4 6 3 4 4 5 5 29 2 6 3 4 6 5 5 3 1 4 7 4 3 5 5 4 3 0 2 2 5 5 3 6 4 5 5 3 4 6 6 7 7 2 6 4 2 3 5 8 6 7 5 8 5 6 6 4 6 8 4 1 9 2 4 8 3 6 7 7 7 1 7 5 4 6 7 7 8 4 7 8 8 2 4 5 2 8 5 6 5 1 7 4 2 5 6 8 9 6 5 6 9 5 4 5 6 5 6 8 7 7 6 9 4 8 3 7 7 6 5 9 8 3 9 10 7 6 9 2 41 7 6 6 9 6 10 6 6 9 8 3 9 10 3 7 3 7 6 5 8 8 10 8 7 11 10 7 4 6 11 3 4 10 8 34 1 9 8 9 9 7 7 7 10 11 11 8 8 8 11 45 8 9 5 7 7 3 10 39 7 8 10 8 6 9 10 2 5 10 4 12 7 8 8 5 9 11 12 12 9 10 8 13 11 12 9 10 9 4 5 8 8 6 4 10 9 5 7 10 12 3 11 7 6 10 6 6 4 7 7 9 13 12 11 10 9 13 13 4 7 11 10 6 13 33 8 7 7 8 9 9 6 14 18 10 4 11 12 8 9 9 13 15 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30.87	d CHECKS 7.96372e+07
30.87	d NODES 2401
30.87

Verifier Data (download as text)

ERROR: constraint C11046 is unsatisfied
Predicate is 
((parm[0]!=parm[1])&&((parm[0]+parm[1])>=2))
parm[0]=0
parm[1]=1

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node16/watcher-237649-1168349818 -o ROOT/results/node16/solver-237649-1168349818 -C 1800 -M 900 /tmp/evaluation/237649-1168349818/VALCSP /tmp/evaluation/237649-1168349818/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 2.02 5/87 15902
/proc/meminfo: memFree=963784/2055920 swapFree=4191880/4192956
[pid=15901] ppid=15899 vsize=62236 CPUtime=0.09
/proc/15901/stat : 15901 (VALCSP) R 15899 15901 15068 0 -1 4194304 14900 0 0 0 1 8 0 0 20 0 1 0 183376613 63729664 14878 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 7640645 0 0 4096 0 0 0 0 17 1 0 0
/proc/15901/statm: 15559 14878 62 8 0 15231 0

[startup+0.212121 s]
/proc/loadavg: 2.00 2.00 2.02 5/87 15902
/proc/meminfo: memFree=963784/2055920 swapFree=4191880/4192956
[pid=15901] ppid=15899 vsize=75364 CPUtime=0.19
/proc/15901/stat : 15901 (VALCSP) R 15899 15901 15068 0 -1 4194304 17836 0 0 0 10 9 0 0 21 0 1 0 183376613 77172736 17814 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530278 0 0 4096 0 0 0 0 17 1 0 0
/proc/15901/statm: 18841 17814 65 8 0 18513 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 75364

[startup+0.624044 s]
/proc/loadavg: 2.00 2.00 2.02 5/87 15902
/proc/meminfo: memFree=963784/2055920 swapFree=4191880/4192956
[pid=15901] ppid=15899 vsize=86852 CPUtime=0.6
/proc/15901/stat : 15901 (VALCSP) R 15899 15901 15068 0 -1 4194304 20738 0 0 0 50 10 0 0 25 0 1 0 183376613 88936448 20716 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530307 0 0 4096 0 0 0 0 17 1 0 0
/proc/15901/statm: 21713 20716 65 8 0 21385 0
Current children cumulated CPU time (s) 0.6
Current children cumulated vsize (KiB) 86852

[startup+1.44689 s]
/proc/loadavg: 2.00 2.00 2.02 3/87 15902
/proc/meminfo: memFree=862920/2055920 swapFree=4191880/4192956
[pid=15901] ppid=15899 vsize=110564 CPUtime=1.42
/proc/15901/stat : 15901 (VALCSP) R 15899 15901 15068 0 -1 4194304 26648 0 0 0 129 13 0 0 25 0 1 0 183376613 113217536 26626 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530848 0 0 4096 0 0 0 0 17 1 0 0
/proc/15901/statm: 27641 26626 65 8 0 27313 0
Current children cumulated CPU time (s) 1.42
Current children cumulated vsize (KiB) 110564

[startup+3.08359 s]
/proc/loadavg: 2.00 2.00 2.02 3/87 15902
/proc/meminfo: memFree=830600/2055920 swapFree=4191880/4192956
[pid=15901] ppid=15899 vsize=156656 CPUtime=3.04
/proc/15901/stat : 15901 (VALCSP) R 15899 15901 15068 0 -1 4194304 38211 0 0 0 285 19 0 0 25 0 1 0 183376613 160415744 38189 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/15901/statm: 39164 38189 65 8 0 38836 0
Current children cumulated CPU time (s) 3.04
Current children cumulated vsize (KiB) 156656

[startup+6.36199 s]
/proc/loadavg: 2.08 2.02 2.03 3/87 15902
/proc/meminfo: memFree=734856/2055920 swapFree=4191880/4192956
[pid=15901] ppid=15899 vsize=248748 CPUtime=6.27
/proc/15901/stat : 15901 (VALCSP) R 15899 15901 15068 0 -1 4194304 61290 0 0 0 592 35 0 0 25 0 1 0 183376613 254717952 61268 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 7640699 0 0 4096 0 0 0 0 17 1 0 0
/proc/15901/statm: 62187 61268 65 8 0 61859 0
Current children cumulated CPU time (s) 6.27
Current children cumulated vsize (KiB) 248748

[startup+12.8278 s]
/proc/loadavg: 2.07 2.02 2.03 3/87 15902
/proc/meminfo: memFree=542216/2055920 swapFree=4191880/4192956
[pid=15901] ppid=15899 vsize=430520 CPUtime=12.68
/proc/15901/stat : 15901 (VALCSP) R 15899 15901 15068 0 -1 4194304 106870 0 0 0 1211 57 0 0 25 0 1 0 183376613 440852480 106848 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/15901/statm: 107630 106848 66 8 0 107302 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 430520

[startup+25.6547 s]
/proc/loadavg: 2.06 2.01 2.03 3/87 15902
/proc/meminfo: memFree=252808/2055920 swapFree=4191880/4192956
[pid=15901] ppid=15899 vsize=709332 CPUtime=25.39
/proc/15901/stat : 15901 (VALCSP) R 15899 15901 15068 0 -1 4194304 176323 0 0 0 2444 95 0 0 25 0 1 0 183376613 726355968 176301 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134524787 0 0 4096 0 0 0 0 17 1 0 0
/proc/15901/statm: 177333 176301 68 8 0 177005 0
Current children cumulated CPU time (s) 25.39
Current children cumulated vsize (KiB) 709332

Child status: 0
Real time (s): 30.9859
CPU time (s): 30.6863
CPU user time (s): 29.6195
CPU system time (s): 1.06684
CPU usage (%): 99.0332
Max. virtual memory (cumulated for all children) (KiB): 709332

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 29.6195
system time used= 1.06684
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 176373
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= 9
involuntary context switches= 575

runsolver used 0.035994 s user time and 0.108983 s system time

The end

Launcher Data (download as text)

Begin job on node16 on Tue Jan  9 13:36:58 UTC 2007


IDJOB= 237649
IDBENCH= 6954
FILE ID= node16/237649-1168349818

PBS_JOBID= 3503578

Free space on /tmp= 66483 MiB

BENCH NAME= HOME/pub/bench/CPAI06/haystacks/haystacks_49.xml
COMMAND LINE= /tmp/evaluation/237649-1168349818/VALCSP /tmp/evaluation/237649-1168349818/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-237649-1168349818 -o ROOT/results/node16/solver-237649-1168349818 -C 1800 -M 900  /tmp/evaluation/237649-1168349818/VALCSP /tmp/evaluation/237649-1168349818/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  cfa08dc252192b52b2d0f49efc22ee50

RANDOM SEED= 479866336

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		: 3000.220
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		: 3000.220
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:        964200 kB
Buffers:         27384 kB
Cached:         123604 kB
SwapCached:        448 kB
Active:         981788 kB
Inactive:        56932 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        964200 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            7176 kB
Writeback:           0 kB
Mapped:         907012 kB
Slab:            36104 kB
Committed_AS:  6135816 kB
PageTables:       4024 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= 66483 MiB



End job on node16 on Tue Jan  9 13:37:29 UTC 2007