Trace number 1722097

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
picosat 913SAT 0.221966 0.22331

General information on the benchmark

NameAPPLICATIONS/satComp09_BioInstances/
rpoc_xits_17_SAT.cnf
MD5SUM4607e45ceb8682e35172b7d697608fbf
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.152976
Satisfiable
(Un)Satisfiability was proved
Number of variables2718
Number of clauses215000
Sum of the clauses size641260
Maximum clause length18
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 24085
Number of clauses of size 3210892
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 523

Solver Data 

0.00/0.00	c PicoSAT SAT Solver Version 913
0.00/0.00	c Copyright (c) 2006 - 2009 Armin Biere JKU Linz
0.00/0.00	c gcc -Wall -Wextra -m32 -static -DNDEBUG -O3 -fomit-frame-pointer -finline-limit=1000000
0.00/0.00	c
0.00/0.00	c parsing HOME/instance-1722097-1240672813.cnf
0.00/0.00	c parsed header 'p cnf 2718 215000'
0.09/0.18	c initialized 2718 variables
0.09/0.18	c found 215000 non trivial clauses
0.09/0.18	c
0.09/0.18	c random number generator seed 0
0.09/0.18	c 
0.09/0.18	c  seconds     variables   original    learned     agility
0.09/0.18	c         level        used      conflicts    limit          MB
0.09/0.18	c 
0.09/0.18	c s   0.2   0.0  2718   0.0 210e3     0     0     0   0.0   6.8 
0.09/0.19	c 
0.09/0.19	c initial reduction limit 105457 clauses
0.09/0.19	c 
0.09/0.19	c +   0.2 216.4  2718  14.5 210e3   100   100 116e3   8.9   6.9 
0.09/0.19	c R   0.2 216.4  2718  14.5 210e3   101   101 116e3   8.8   6.9 
0.19/0.20	c 1   0.2 176.1  2718  20.2 210e3   143   142 116e3   8.8   6.9 
0.19/0.20	c 
0.19/0.20	c  seconds     variables   original    learned     agility
0.19/0.20	c         level        used      conflicts    limit          MB
0.19/0.20	c 
0.19/0.20	s SATISFIABLE
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0.19/0.20	v -1542 -1543 -1544 -1545 -1546 1547 1548 1549 1550 1551 1552 1553 1554 -1555
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0.19/0.20	v -1621 1622 -1623 -1624 -1625 -1626 -1627 -1628 -1629 -1630 -1631 -1632 -1633
0.19/0.20	v -1634 -1635 -1636 -1637 -1638 -1639 -1640 -1641 -1642 -1643 1644 -1645 -1646
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0.19/0.20	v -1660 -1661 -1662 -1663 -1664 -1665 1666 -1667 -1668 -1669 -1670 -1671 -1672
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0.19/0.21	v -1881 -1882 -1883 1884 -1885 1886 -1887 -1888 -1889 -1890 -1891 -1892 -1893
0.19/0.21	v -1894 -1895 -1896 -1897 -1898 -1899 -1900 -1901 -1902 -1903 -1904 -1905 1906
0.19/0.21	v -1907 1908 -1909 -1910 -1911 -1912 -1913 -1914 -1915 -1916 -1917 -1918 -1919
0.19/0.21	v -1920 -1921 -1922 -1923 -1924 -1925 -1926 -1927 1928 -1929 1930 -1931 -1932
0.19/0.21	v -1933 -1934 -1935 -1936 -1937 -1938 -1939 -1940 -1941 -1942 -1943 -1944 -1945
0.19/0.21	v -1946 -1947 -1948 -1949 1950 -1951 1952 -1953 -1954 -1955 -1956 -1957 -1958
0.19/0.21	v -1959 -1960 -1961 -1962 -1963 -1964 -1965 -1966 1967 1968 1969 1970 1971 1972
0.19/0.21	v -1973 1974 -1975 -1976 -1977 -1978 -1979 -1980 -1981 -1982 -1983 -1984 1985
0.19/0.21	v -1986 -1987 -1988 1989 1990 1991 1992 1993 1994 -1995 1996 -1997 -1998 -1999
0.19/0.21	v -2000 -2001 -2002 2003 2004 -2005 -2006 2007 -2008 -2009 -2010 2011 2012 2013
0.19/0.21	v 2014 2015 2016 -2017 -2018 -2019 -2020 -2021 -2022 -2023 -2024 -2025 -2026
0.19/0.21	v -2027 -2028 -2029 -2030 -2031 -2032 -2033 -2034 -2035 -2036 -2037 -2038 -2039
0.19/0.21	v -2040 -2041 -2042 -2043 -2044 -2045 -2046 -2047 -2048 -2049 -2050 -2051 -2052
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0.19/0.22	v -2710 -2711 -2712 -2713 -2714 -2715 -2716 -2717 -2718 0
0.19/0.22	c
0.19/0.22	c 0 iterations
0.19/0.22	c 1 restarts
0.19/0.22	c 0 failed literals
0.19/0.22	c 143 conflicts
0.19/0.22	c 1060 decisions
0.19/0.22	c 0 fixed variables
0.19/0.22	c 10662 learned literals
0.19/0.22	c 0.0% deleted literals
0.19/0.22	c 226586 propagations
0.19/0.22	c 20.2% variables used
0.19/0.22	c 0.2 seconds in library
0.19/0.22	c 1.1 megaprops/second
0.19/0.22	c 1 simplifications
0.19/0.22	c 0 reductions
0.19/0.22	c 0.0 MB recycled
0.19/0.22	c 6.9 MB maximally allocated
0.19/0.22	c 0.2 seconds total run time

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1722097-1240672813/watcher-1722097-1240672813 -o /tmp/evaluation-result-1722097-1240672813/solver-1722097-1240672813 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/picosat HOME/instance-1722097-1240672813.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 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: 1.00 1.00 1.00 3/65 13351
/proc/meminfo: memFree=1717248/2055924 swapFree=4181440/4192956
[pid=13351] ppid=13349 vsize=1048 CPUtime=0
/proc/13351/stat : 13351 (picosat) R 13349 13351 12870 0 -1 4194304 165 0 0 0 0 0 0 0 20 0 1 0 95310659 1073152 150 1992294400 134512640 135137933 4294956240 18446744073709551615 134668310 0 0 4096 0 0 0 0 17 1 0 0
/proc/13351/statm: 262 151 56 152 0 108 0

[startup+0.0338391 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 13351
/proc/meminfo: memFree=1717248/2055924 swapFree=4181440/4192956
[pid=13351] ppid=13349 vsize=2940 CPUtime=0.03
/proc/13351/stat : 13351 (picosat) R 13349 13351 12870 0 -1 4194304 633 0 0 0 3 0 0 0 20 0 1 0 95310659 3010560 618 1992294400 134512640 135137933 4294956240 18446744073709551615 134544898 0 0 4096 0 0 0 0 17 1 0 0
/proc/13351/statm: 735 619 56 152 0 581 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2940

[startup+0.101846 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 13351
/proc/meminfo: memFree=1717248/2055924 swapFree=4181440/4192956
[pid=13351] ppid=13349 vsize=7536 CPUtime=0.09
/proc/13351/stat : 13351 (picosat) R 13349 13351 12870 0 -1 4194304 1684 0 0 0 9 0 0 0 20 0 1 0 95310659 7716864 1669 1992294400 134512640 135137933 4294956240 18446744073709551615 134668310 0 0 4096 0 0 0 0 17 1 0 0
/proc/13351/statm: 1884 1670 56 152 0 1730 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7536

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

[startup+0.201855 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 13351
/proc/meminfo: memFree=1717248/2055924 swapFree=4181440/4192956
[pid=13351] ppid=13349 vsize=8592 CPUtime=0.19
/proc/13351/stat : 13351 (picosat) R 13349 13351 12870 0 -1 4194304 2021 0 0 0 19 0 0 0 21 0 1 0 95310659 8798208 2006 1992294400 134512640 135137933 4294956240 18446744073709551615 134548819 0 0 4096 0 0 0 0 17 1 0 0
/proc/13351/statm: 2148 2006 69 152 0 1994 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8592

Child status: 10
Real time (s): 0.22331
CPU time (s): 0.221966
CPU user time (s): 0.208968
CPU system time (s): 0.012998
CPU usage (%): 99.3982
Max. virtual memory (cumulated for all children) (KiB): 8592

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.208968
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2027
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= 0

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node83 at 2009-04-25 17:20:14
IDJOB=1722097
IDBENCH=71083
IDSOLVER=506
FILE ID=node83/1722097-1240672813
PBS_JOBID= 9186565
Free space on /tmp= 66024 MiB

SOLVER NAME= picosat 913
BENCH NAME= SAT09/APPLICATIONS/satComp09_BioInstances/rpoc_xits_17_SAT.cnf
COMMAND LINE= HOME/picosat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1722097-1240672813/watcher-1722097-1240672813 -o /tmp/evaluation-result-1722097-1240672813/solver-1722097-1240672813 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/picosat HOME/instance-1722097-1240672813.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4607e45ceb8682e35172b7d697608fbf
RANDOM SEED=416145791

node83.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		: 3000.222
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		: 3000.222
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055924 kB
MemFree:       1717728 kB
Buffers:         24084 kB
Cached:         256452 kB
SwapCached:       5336 kB
Active:          67712 kB
Inactive:       221664 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1717728 kB
SwapTotal:     4192956 kB
SwapFree:      4181440 kB
Dirty:            4324 kB
Writeback:           0 kB
Mapped:          13492 kB
Slab:            34792 kB
Committed_AS:   338324 kB
PageTables:       1384 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= 66024 MiB
End job on node83 at 2009-04-25 17:20:14