Trace number 238121

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
CSPtoSAT+minisat 0.3UNSAT 35.7276 36.1201

General information on the benchmark

Namehaystacks/
haystacks_10.xml
MD5SUM4d4e4a91b0e00ad8f76e2f74e050256f
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 benchmark0.208967
SatisfiableNO
(Un)Satisfiability was proved
Number of variables100
Number of constraints459
Maximum constraint arity2
Maximum domain size10
Number of constraints which are defined in extension0
Number of constraints which are defined in intension459
Global constraints used (with number of constraints)

Solver Data (download as text)

0.02	c This is CSPtoSAT+minisat version 0.3
0.02	c (c) 2006 roussel@cril.univ-artois.fr
0.02	
0.02	c This solver internally uses a modified version of MiniSat2 version 061112
0.02	c MiniSat -- Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
0.02	
0.02	c parsing...
0.06	c ...done
0.06	c #SATvar=2802 #SATclauses=5300 #CSPpredicates=459
36.11	c SAT problem is solved
36.11	restarts              : 20
36.11	conflicts             : 624202         (17480 /sec)
36.11	decisions             : 791666         (1.54 % random) (22170 /sec)
36.11	propagations          : 24060248       (673795 /sec)
36.11	conflict literals     : 18162139       (8.54 % deleted)
36.11	Memory used           : 12.81 MB
36.11	CPU time              : 35.7086 s
36.11	
36.11	s UNSATISFIABLE

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/node5/watcher-238121-1168092108 -o ROOT/results/node5/solver-238121-1168092108 -C 1800 -M 900 /tmp/evaluation/238121-1168092108/CSPtoSAT+minisat /tmp/evaluation/238121-1168092108/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 1.94 2/92 11059
/proc/meminfo: memFree=1355128/2055920 swapFree=4192812/4192956
[pid=11058] ppid=11056 vsize=496 CPUtime=0
/proc/11058/stat : 11058 (CSPtoSAT+minisa) R 11056 11058 9937 0 -1 4194304 51 0 0 0 0 0 0 0 19 0 1 0 137825267 507904 36 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 7893796 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/11058/statm: 124 36 29 52 0 19 0

[startup+0.104058 s]
/proc/loadavg: 2.00 2.00 1.94 2/92 11059
/proc/meminfo: memFree=1355128/2055920 swapFree=4192812/4192956
[pid=11058] ppid=11056 vsize=7224 CPUtime=0.07
/proc/11058/stat : 11058 (CSPtoSAT+minisa) R 11056 11058 9937 0 -1 4194304 980 0 1 0 7 0 0 0 18 0 1 0 137825267 7397376 923 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134671231 0 0 4096 0 0 0 0 17 1 0 0
/proc/11058/statm: 1806 923 724 52 0 174 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 7224

[startup+0.512104 s]
/proc/loadavg: 2.00 2.00 1.94 2/92 11059
/proc/meminfo: memFree=1355128/2055920 swapFree=4192812/4192956
[pid=11058] ppid=11056 vsize=7360 CPUtime=0.48
/proc/11058/stat : 11058 (CSPtoSAT+minisa) R 11056 11058 9937 0 -1 4194304 1004 0 1 0 48 0 0 0 21 0 1 0 137825267 7536640 947 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134671228 0 0 4096 0 0 0 0 17 1 0 0
/proc/11058/statm: 1840 947 724 52 0 208 0
Current children cumulated CPU time (s) 0.48
Current children cumulated vsize (KiB) 7360

[startup+1.3342 s]
/proc/loadavg: 2.00 2.00 1.94 3/92 11061
/proc/meminfo: memFree=1353784/2055920 swapFree=4192812/4192956
[pid=11058] ppid=11056 vsize=7756 CPUtime=1.28
/proc/11058/stat : 11058 (CSPtoSAT+minisa) R 11056 11058 9937 0 -1 4194304 1110 0 1 0 128 0 0 0 25 0 1 0 137825267 7942144 1053 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134671223 0 0 4096 0 0 0 0 17 1 0 0
/proc/11058/statm: 1939 1053 724 52 0 307 0
Current children cumulated CPU time (s) 1.28
Current children cumulated vsize (KiB) 7756

[startup+2.98139 s]
/proc/loadavg: 2.00 2.00 1.94 3/92 11061
/proc/meminfo: memFree=1353208/2055920 swapFree=4192812/4192956
[pid=11058] ppid=11056 vsize=8284 CPUtime=2.92
/proc/11058/stat : 11058 (CSPtoSAT+minisa) R 11056 11058 9937 0 -1 4194304 1242 0 1 0 292 0 0 0 25 0 1 0 137825267 8482816 1185 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134671585 0 0 4096 0 0 0 0 17 1 0 0
/proc/11058/statm: 2071 1185 724 52 0 439 0
Current children cumulated CPU time (s) 2.92
Current children cumulated vsize (KiB) 8284

[startup+6.26076 s]
/proc/loadavg: 2.00 2.00 1.94 3/92 11063
/proc/meminfo: memFree=1352184/2055920 swapFree=4192812/4192956
[pid=11058] ppid=11056 vsize=9340 CPUtime=6.17
/proc/11058/stat : 11058 (CSPtoSAT+minisa) R 11056 11058 9937 0 -1 4194304 1486 0 1 0 617 0 0 0 25 0 1 0 137825267 9564160 1429 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134671445 0 0 4096 0 0 0 0 17 1 0 0
/proc/11058/statm: 2335 1429 724 52 0 703 0
Current children cumulated CPU time (s) 6.17
Current children cumulated vsize (KiB) 9340

[startup+12.7305 s]
/proc/loadavg: 2.00 2.00 1.94 3/92 11067
/proc/meminfo: memFree=1350976/2055920 swapFree=4192812/4192956
[pid=11058] ppid=11056 vsize=10396 CPUtime=12.58
/proc/11058/stat : 11058 (CSPtoSAT+minisa) R 11056 11058 9937 0 -1 4194304 1749 0 1 0 1257 1 0 0 25 0 1 0 137825267 10645504 1692 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134671298 0 0 4096 0 0 0 0 17 1 0 0
/proc/11058/statm: 2599 1692 724 52 0 967 0
Current children cumulated CPU time (s) 12.58
Current children cumulated vsize (KiB) 10396

[startup+25.5499 s]
/proc/loadavg: 2.00 2.00 1.94 3/92 11081
/proc/meminfo: memFree=1349504/2055920 swapFree=4192812/4192956
[pid=11058] ppid=11056 vsize=11924 CPUtime=25.26
/proc/11058/stat : 11058 (CSPtoSAT+minisa) R 11056 11058 9937 0 -1 4194304 2129 0 1 0 2525 1 0 0 25 0 1 0 137825267 12210176 2072 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134671588 0 0 4096 0 0 0 0 17 1 0 0
/proc/11058/statm: 2981 2072 724 52 0 1349 0
Current children cumulated CPU time (s) 25.26
Current children cumulated vsize (KiB) 11924

Child status: 0
Real time (s): 36.1201
CPU time (s): 35.7276
CPU user time (s): 35.7126
CPU system time (s): 0.014997
CPU usage (%): 98.9133
Max. virtual memory (cumulated for all children) (KiB): 13116

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 35.7126
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2445
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 14
involuntary context switches= 1477

runsolver used 0.034994 s user time and 0.13098 s system time

The end

Launcher Data (download as text)

Begin job on node5 on Sat Jan  6 14:01:48 UTC 2007


IDJOB= 238121
IDBENCH= 6983
FILE ID= node5/238121-1168092108

PBS_JOBID= 3476356

Free space on /tmp= 66332 MiB

BENCH NAME= HOME/pub/bench/CPAI06/haystacks/haystacks_10.xml
COMMAND LINE= /tmp/evaluation/238121-1168092108/CSPtoSAT+minisat /tmp/evaluation/238121-1168092108/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node5/watcher-238121-1168092108 -o ROOT/results/node5/solver-238121-1168092108 -C 1800 -M 900  /tmp/evaluation/238121-1168092108/CSPtoSAT+minisat /tmp/evaluation/238121-1168092108/unknown.xml

META MD5SUM SOLVER= 0ab327eaa5be249b47b2f4b19927f0b0
MD5SUM BENCH=  4d4e4a91b0e00ad8f76e2f74e050256f

RANDOM SEED= 818715806

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		: 3000.240
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		: 3000.240
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:       1355608 kB
Buffers:         52728 kB
Cached:         477808 kB
SwapCached:          0 kB
Active:         150460 kB
Inactive:       462252 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1355608 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1672 kB
Writeback:           0 kB
Mapped:         104972 kB
Slab:            72132 kB
Committed_AS:  3319524 kB
PageTables:       2440 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= 66332 MiB



End job on node5 on Sat Jan  6 14:02:24 UTC 2007