Trace number 209965

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 62.2125 62.7185

General information on the benchmark

NameschurrLemma/
lemma-100-9-mod.xml
MD5SUM0eccfd6635dce0f6180185bd782d874f
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark5.62914
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables100
Number of constraints2450
Maximum constraint arity3
Maximum domain size9
Number of constraints which are defined in extension0
Number of constraints which are defined in intension2450
Global constraints used (with number of constraints)

Solver Data (download as text)

0.11	c This is CSPtoSAT+minisat version 0.3
0.11	c (c) 2006 roussel@cril.univ-artois.fr
0.11	
0.11	c This solver internally uses a modified version of MiniSat2 version 061112
0.11	c MiniSat -- Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
0.11	
0.11	c parsing...
0.17	c ...done
0.17	c #SATvar=2502 #SATclauses=4700 #CSPpredicates=2450
62.71	c SAT problem is solved
62.71	restarts              : 21
62.71	conflicts             : 996879         (16032 /sec)
62.71	decisions             : 5137561        (1.48 % random) (82623 /sec)
62.71	propagations          : 168033482      (2702348 /sec)
62.71	conflict literals     : 10215697       (41.90 % deleted)
62.71	Memory used           : 22.67 MB
62.71	CPU time              : 62.1805 s
62.71	
62.71	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/node76/watcher-209965-1168062504 -o ROOT/results/node76/solver-209965-1168062504 -C 1800 -M 900 /tmp/evaluation/209965-1168062504/CSPtoSAT+minisat /tmp/evaluation/209965-1168062504/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: 1.94 1.97 1.80 5/78 28447
/proc/meminfo: memFree=1591080/2055888 swapFree=4096420/4096564
[pid=28446] ppid=28444 vsize=380 CPUtime=0
/proc/28446/stat : 28446 (CSPtoSAT+minisa) R 28444 28446 28146 0 -1 4194304 40 0 0 0 0 0 0 0 20 0 1 0 154647530 389120 26 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 4817844 0 0 4096 0 0 0 0 17 1 0 0
/proc/28446/statm: 95 26 21 52 0 18 0

[startup+0.108011 s]
/proc/loadavg: 1.94 1.97 1.80 5/78 28447
/proc/meminfo: memFree=1591080/2055888 swapFree=4096420/4096564
[pid=28446] ppid=28444 vsize=7664 CPUtime=0.09
/proc/28446/stat : 28446 (CSPtoSAT+minisa) R 28444 28446 28146 0 -1 4194304 1000 0 0 0 9 0 0 0 19 0 1 0 154647530 7847936 968 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 4159312955 0 0 4096 0 0 0 0 17 0 0 0
/proc/28446/statm: 1916 968 701 52 0 283 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7664

[startup+0.516087 s]
/proc/loadavg: 1.94 1.97 1.80 5/78 28447
/proc/meminfo: memFree=1591080/2055888 swapFree=4096420/4096564
[pid=28446] ppid=28444 vsize=7896 CPUtime=0.5
/proc/28446/stat : 28446 (CSPtoSAT+minisa) R 28444 28446 28146 0 -1 4194304 1117 0 0 0 50 0 0 0 24 0 1 0 154647530 8085504 1059 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134533141 0 0 4096 0 0 0 0 17 0 0 0
/proc/28446/statm: 1974 1059 718 52 0 341 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 7896

[startup+1.33825 s]
/proc/loadavg: 1.94 1.97 1.80 3/78 28447
/proc/meminfo: memFree=1589352/2055888 swapFree=4096420/4096564
[pid=28446] ppid=28444 vsize=8160 CPUtime=1.31
/proc/28446/stat : 28446 (CSPtoSAT+minisa) R 28444 28446 28146 0 -1 4194304 1197 0 0 0 131 0 0 0 25 0 1 0 154647530 8355840 1139 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134678671 0 0 4096 0 0 0 0 17 0 0 0
/proc/28446/statm: 2040 1139 718 52 0 407 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 8160

[startup+2.97757 s]
/proc/loadavg: 1.95 1.97 1.80 3/78 28447
/proc/meminfo: memFree=1588968/2055888 swapFree=4096420/4096564
[pid=28446] ppid=28444 vsize=8688 CPUtime=2.94
/proc/28446/stat : 28446 (CSPtoSAT+minisa) R 28444 28446 28146 0 -1 4194304 1334 0 0 0 294 0 0 0 25 0 1 0 154647530 8896512 1276 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134600139 0 0 4096 0 0 0 0 17 0 0 0
/proc/28446/statm: 2172 1276 718 52 0 539 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 8688

[startup+6.25621 s]
/proc/loadavg: 1.95 1.97 1.80 3/78 28447
/proc/meminfo: memFree=1587816/2055888 swapFree=4096420/4096564
[pid=28446] ppid=28444 vsize=9744 CPUtime=6.2
/proc/28446/stat : 28446 (CSPtoSAT+minisa) R 28444 28446 28146 0 -1 4194304 1580 0 0 0 620 0 0 0 25 0 1 0 154647530 9977856 1522 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134665140 0 0 4096 0 0 0 0 17 0 0 0
/proc/28446/statm: 2436 1522 718 52 0 803 0
Current children cumulated CPU time (s) 6.2
Current children cumulated vsize (KiB) 9744

[startup+12.7195 s]
/proc/loadavg: 1.95 1.97 1.81 3/78 28447
/proc/meminfo: memFree=1585968/2055888 swapFree=4096420/4096564
[pid=28446] ppid=28444 vsize=11592 CPUtime=12.61
/proc/28446/stat : 28446 (CSPtoSAT+minisa) R 28444 28446 28146 0 -1 4194304 2063 0 0 0 1261 0 0 0 25 0 1 0 154647530 11870208 2005 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134671770 0 0 4096 0 0 0 0 17 0 0 0
/proc/28446/statm: 2898 2005 718 52 0 1265 0
Current children cumulated CPU time (s) 12.61
Current children cumulated vsize (KiB) 11592

[startup+25.53 s]
/proc/loadavg: 1.96 1.97 1.81 3/78 28447
/proc/meminfo: memFree=1582064/2055888 swapFree=4096420/4096564
[pid=28446] ppid=28444 vsize=15816 CPUtime=25.33
/proc/28446/stat : 28446 (CSPtoSAT+minisa) R 28444 28446 28146 0 -1 4194304 3110 0 0 0 2532 1 0 0 25 0 1 0 154647530 16195584 3052 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134671632 0 0 4096 0 0 0 0 17 0 0 0
/proc/28446/statm: 3954 3052 718 52 0 2321 0
Current children cumulated CPU time (s) 25.33
Current children cumulated vsize (KiB) 15816

[startup+51.163 s]
/proc/loadavg: 1.97 1.97 1.81 3/78 28447
/proc/meminfo: memFree=1575472/2055888 swapFree=4096420/4096564
[pid=28446] ppid=28444 vsize=22156 CPUtime=50.74
/proc/28446/stat : 28446 (CSPtoSAT+minisa) R 28444 28446 28146 0 -1 4194304 4708 0 0 0 5072 2 0 0 25 0 1 0 154647530 22687744 4650 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134671391 0 0 4096 0 0 0 0 17 0 0 0
/proc/28446/statm: 5539 4650 718 52 0 3906 0
Current children cumulated CPU time (s) 50.74
Current children cumulated vsize (KiB) 22156

Child status: 0
Real time (s): 62.7185
CPU time (s): 62.2125
CPU user time (s): 62.1835
CPU system time (s): 0.028995
CPU usage (%): 99.1933
Max. virtual memory (cumulated for all children) (KiB): 23212

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 62.1835
system time used= 0.028995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4989
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= 12
involuntary context switches= 1431

runsolver used 0.058991 s user time and 0.169974 s system time

The end

Launcher Data (download as text)

Begin job on node76 on Sat Jan  6 05:48:24 UTC 2007


IDJOB= 209965
IDBENCH= 4583
FILE ID= node76/209965-1168062504

PBS_JOBID= 3475568

Free space on /tmp= 66640 MiB

BENCH NAME= HOME/pub/bench/CPAI06/schurrLemma/lemma-100-9-mod.xml
COMMAND LINE= /tmp/evaluation/209965-1168062504/CSPtoSAT+minisat /tmp/evaluation/209965-1168062504/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node76/watcher-209965-1168062504 -o ROOT/results/node76/solver-209965-1168062504 -C 1800 -M 900  /tmp/evaluation/209965-1168062504/CSPtoSAT+minisat /tmp/evaluation/209965-1168062504/unknown.xml

META MD5SUM SOLVER= 0ab327eaa5be249b47b2f4b19927f0b0
MD5SUM BENCH=  0eccfd6635dce0f6180185bd782d874f

RANDOM SEED= 887396830

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		: 3000.254
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	: 6006.17
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		: 3000.254
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	: 5999.42
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055888 kB
MemFree:       1591560 kB
Buffers:         23168 kB
Cached:         264268 kB
SwapCached:          0 kB
Active:         137300 kB
Inactive:       264524 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055888 kB
LowFree:       1591560 kB
SwapTotal:     4096564 kB
SwapFree:      4096420 kB
Dirty:            1868 kB
Writeback:           0 kB
Mapped:         128096 kB
Slab:            48192 kB
Committed_AS:  5834452 kB
PageTables:       1924 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264388 kB
VmallocChunk: 536606243 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66640 MiB



End job on node76 on Sat Jan  6 05:49:27 UTC 2007