Trace number 237685

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
buggy_2_5 2007-01-08UNSAT 55.5806 56.3907

General information on the benchmark

Namehaystacks/
haystacks_29.xml
MD5SUM6ea2fd023b80d39fcc8c5d27a75b4ff2
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark55.5806
SatisfiableNO
(Un)Satisfiability was proved
Number of variables841
Number of constraints11802
Maximum constraint arity2
Maximum domain size29
Number of constraints which are defined in extension0
Number of constraints which are defined in intension11802
Global constraints used (with number of constraints)

Solver Data (download as text)

c 
c 
c 
c solution file
c 
c 

UNSAT

Verifier Data (download as text)

No possible verification on an UNSAT instance

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-237685-1168350162 -o ROOT/results/node16/solver-237685-1168350162 -C 1800 -M 900 /tmp/evaluation/237685-1168350162/solver /tmp/evaluation/237685-1168350162/unknown 1800 

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: 1.95 2.01 2.00 5/87 17965
/proc/meminfo: memFree=1694624/2055920 swapFree=4191880/4192956
[pid=17964] ppid=17962 vsize=18540 CPUtime=0
/proc/17964/stat : 17964 (runsolver) R 17962 17964 16529 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 183411223 18984960 279 18446744073709551615 4194304 4267372 548682069072 18446744073709551615 231962373415 0 0 4096 24578 0 0 0 17 1 0 0
/proc/17964/statm: 4635 279 244 17 0 2626 0

[startup+0.111112 s]
/proc/loadavg: 1.95 2.01 2.00 5/87 17965
/proc/meminfo: memFree=1694624/2055920 swapFree=4191880/4192956
[pid=17964] ppid=17962 vsize=5352 CPUtime=0
/proc/17964/stat : 17964 (solver) S 17962 17964 16529 0 -1 4194304 354 334 0 0 0 0 0 0 18 0 1 0 183411223 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17964/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.519036 s]
/proc/loadavg: 1.95 2.01 2.00 5/87 17965
/proc/meminfo: memFree=1694624/2055920 swapFree=4191880/4192956
[pid=17964] ppid=17962 vsize=5352 CPUtime=0.15
/proc/17964/stat : 17964 (solver) S 17962 17964 16529 0 -1 4194304 376 2328 0 0 0 0 13 2 15 0 1 0 183411223 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17964/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0.15
Current children cumulated vsize (KiB) 5352

[startup+1.33989 s]
/proc/loadavg: 1.95 2.01 2.00 3/88 17977
/proc/meminfo: memFree=1658712/2055920 swapFree=4191880/4192956
[pid=17964] ppid=17962 vsize=5352 CPUtime=0.15
/proc/17964/stat : 17964 (solver) S 17962 17964 16529 0 -1 4194304 376 2328 0 0 0 0 13 2 15 0 1 0 183411223 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17964/statm: 1338 242 203 169 0 49 0
[pid=17977] ppid=17964 vsize=34040 CPUtime=1.1
/proc/17977/stat : 17977 (bordewijk) R 17964 17964 16529 0 -1 4194304 8560 0 0 0 102 8 0 0 25 0 1 0 183411243 34856960 7994 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 134707363 0 0 4096 0 0 0 0 17 1 0 0
/proc/17977/statm: 8510 7994 211 97 0 7791 0
Current children cumulated CPU time (s) 1.25
Current children cumulated vsize (KiB) 39392

[startup+2.97659 s]
/proc/loadavg: 2.03 2.03 2.01 3/88 17977
/proc/meminfo: memFree=1643416/2055920 swapFree=4191880/4192956
[pid=17964] ppid=17962 vsize=5352 CPUtime=2.38
/proc/17964/stat : 17964 (solver) S 17962 17964 16529 0 -1 4194304 396 13891 0 0 0 0 140 98 16 0 1 0 183411223 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17964/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 2.38
Current children cumulated vsize (KiB) 5352

[startup+6.27398 s]
/proc/loadavg: 2.03 2.03 2.01 3/88 17978
/proc/meminfo: memFree=1676824/2055920 swapFree=4191880/4192956
[pid=17964] ppid=17962 vsize=5352 CPUtime=2.38
/proc/17964/stat : 17964 (solver) S 17962 17964 16529 0 -1 4194304 396 13891 0 0 0 0 140 98 16 0 1 0 183411223 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17964/statm: 1338 242 203 169 0 49 0
[pid=17978] ppid=17964 vsize=13320 CPUtime=3.53
/proc/17978/stat : 17978 (standalone) R 17964 17964 16529 0 -1 4194304 3099 0 0 0 332 21 0 0 25 0 1 0 183411493 13639680 2737 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 134516844 0 0 4096 0 0 0 0 17 1 0 0
/proc/17978/statm: 3330 2737 138 64 0 2645 0
Current children cumulated CPU time (s) 5.91
Current children cumulated vsize (KiB) 18672

[startup+12.738 s]
/proc/loadavg: 2.03 2.03 2.01 3/88 17978
/proc/meminfo: memFree=1676952/2055920 swapFree=4191880/4192956
[pid=17964] ppid=17962 vsize=5352 CPUtime=2.38
/proc/17964/stat : 17964 (solver) S 17962 17964 16529 0 -1 4194304 396 13891 0 0 0 0 140 98 16 0 1 0 183411223 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17964/statm: 1338 242 203 169 0 49 0
[pid=17978] ppid=17964 vsize=13320 CPUtime=9.93
/proc/17978/stat : 17978 (standalone) R 17964 17964 16529 0 -1 4194304 3099 0 0 0 972 21 0 0 25 0 1 0 183411493 13639680 2737 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 134516844 0 0 4096 0 0 0 0 17 1 0 0
/proc/17978/statm: 3330 2737 138 64 0 2645 0
Current children cumulated CPU time (s) 12.31
Current children cumulated vsize (KiB) 18672

[startup+25.5754 s]
/proc/loadavg: 2.02 2.03 2.01 3/88 17978
/proc/meminfo: memFree=1677208/2055920 swapFree=4191880/4192956
[pid=17964] ppid=17962 vsize=5352 CPUtime=2.38
/proc/17964/stat : 17964 (solver) S 17962 17964 16529 0 -1 4194304 396 13891 0 0 0 0 140 98 16 0 1 0 183411223 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17964/statm: 1338 242 203 169 0 49 0
[pid=17978] ppid=17964 vsize=13324 CPUtime=22.66
/proc/17978/stat : 17978 (standalone) R 17964 17964 16529 0 -1 4194304 3100 0 0 0 2245 21 0 0 25 0 1 0 183411493 13643776 2738 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 134549643 0 0 4096 0 0 0 0 17 1 0 0
/proc/17978/statm: 3331 2738 138 64 0 2646 0
Current children cumulated CPU time (s) 25.04
Current children cumulated vsize (KiB) 18676

[startup+51.2487 s]
/proc/loadavg: 2.01 2.02 2.01 3/88 17978
/proc/meminfo: memFree=1677208/2055920 swapFree=4191880/4192956
[pid=17964] ppid=17962 vsize=5352 CPUtime=2.38
/proc/17964/stat : 17964 (solver) S 17962 17964 16529 0 -1 4194304 396 13891 0 0 0 0 140 98 16 0 1 0 183411223 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/17964/statm: 1338 242 203 169 0 49 0
[pid=17978] ppid=17964 vsize=13336 CPUtime=48.09
/proc/17978/stat : 17978 (standalone) R 17964 17964 16529 0 -1 4194304 3103 0 0 0 4788 21 0 0 25 0 1 0 183411493 13656064 2741 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 134549718 0 0 4096 0 0 0 0 17 1 0 0
/proc/17978/statm: 3334 2741 138 64 0 2649 0
Current children cumulated CPU time (s) 50.47
Current children cumulated vsize (KiB) 18688

Child status: 0
Real time (s): 56.3907
CPU time (s): 55.5806
CPU user time (s): 54.3737
CPU system time (s): 1.20682
CPU usage (%): 98.5634
Max. virtual memory (cumulated for all children) (KiB): 45896

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 54.3737
system time used= 1.20682
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 17408
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= 219
involuntary context switches= 1043

runsolver used 0.06099 s user time and 0.19397 s system time

The end

Launcher Data (download as text)

Begin job on node16 on Tue Jan  9 13:42:44 UTC 2007


IDJOB= 237685
IDBENCH= 6956
FILE ID= node16/237685-1168350162

PBS_JOBID= 3503675

Free space on /tmp= 66496 MiB

BENCH NAME= HOME/pub/bench/CPAI06/haystacks/haystacks_29.xml
COMMAND LINE= /tmp/evaluation/237685-1168350162/solver /tmp/evaluation/237685-1168350162/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-237685-1168350162 -o ROOT/results/node16/solver-237685-1168350162 -C 1800 -M 900  /tmp/evaluation/237685-1168350162/solver /tmp/evaluation/237685-1168350162/unknown 1800

META MD5SUM SOLVER= 6c84d9851726bfff2e2bc2bb5530c705
MD5SUM BENCH=  6ea2fd023b80d39fcc8c5d27a75b4ff2

RANDOM SEED= 384050714

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:       1695104 kB
Buffers:         29244 kB
Cached:         152616 kB
SwapCached:        448 kB
Active:         236880 kB
Inactive:        71680 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1695104 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:           12184 kB
Writeback:           0 kB
Mapped:         146164 kB
Slab:            36712 kB
Committed_AS:  5452068 kB
PageTables:       2608 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= 66490 MiB



End job on node16 on Tue Jan  9 13:43:40 UTC 2007