Trace number 1527816

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
gnovelty+ 2009-03-22SAT 28.2898 14.2044

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S779309989-069.cnf
MD5SUMf790d28bf27d167da954318ad1a18e9d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.838872
Satisfiable
(Un)Satisfiability was proved
Number of variables2000
Number of clauses8400
Sum of the clauses size25200
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 38400
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.09/0.17	c +------------------------------+
0.09/0.17	c | gNovelty+, version 1.2       |
0.09/0.17	c +------------------------------+
0.09/0.17	c gnovelty+ -h for help
0.09/0.17	c 
0.09/0.17	finish initINstance()
0.09/0.17	c Problem instance: numAtoms = 2000, numClauses = 8400, numLiterals = 25200
0.09/0.17	c General parameters: seed = 654591014, timeout = 10 secs, targetCost = 0, print solution: no
0.09/0.17	c gNovelty+ parameters: walkprob = 0.01, smoothprob = 0.40, noise = adaptive
0.09/0.17	c tries = 1
0.09/0.17	c 
14.09/14.19	     0  7692491         0   7692491   1347649     14.01
14.09/14.19	s SATISFIABLE
14.09/14.19	v -1 -2 -3 4 -5 -6 -7 -8 -9 10 -11 12 -13 -14 15 16 -17 -18 19 20 21 -22 -23 24 25 -26 -27 28 -29 30 -31 32 -33 34 -35 36 -37 38 39 -40 -41 42 43 44 45 46 -47 -48 -49 -50 51 -52 -53 54 -55 -56 57 -58 -59 60 61 62 -63 -64 -65 -66 -67 -68 -69 70 71 72 -73 74 -75 76 -77 78 -79 80 81 82 83 84 -85 -86 87 -88 89 -90 91 92 93 94 95 96 97 98 99 -100 101 102 -103 104 105 -106 107 108 109 110 111 112 -113 -114 -115 116 117 118 119 120 -121 122 -123 124 125 -126 127 128 -129 130 131 -132 -133 134 -135 136 -137 -138 139 -140 -141 142 143 -144 145 -146 -147 -148 149 150 151 -152 153 -154 -155 156 157 158 -159 -160 161 162 -163 164 165 -166 -167 -168 169 170 -171 172 -173 -174 -175 -176 177 178 179 180 181 -182 -183 184 185 186 -187 -188 189 -190 191 192 -193 -194 195 -196 197 198 -199 -200 201 202 -203 204 -205 206 207 208 209 -210 -211 -212 -213 -214 215 216 217 218 219 -220 -221 222 -223 -224 -225 -226 227 228 229 230 231 -232 233 234 235 236 -237 238 239 -240 -241 -242 243 244 245 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1839 -1840 -1841 1842 -1843 1844 1845 1846 -1847 -1848 -1849 -1850 1851 -1852 1853 1854 1855 -1856 -1857 1858 1859 1860 -1861 -1862 1863 1864 1865 1866 1867 1868 -1869 1870 -1871 1872 1873 -1874 -1875 -1876 1877 -1878 1879 -1880 1881 1882 -1883 1884 -1885 -1886 1887 1888 -1889 -1890 -1891 1892 1893 1894 -1895 -1896 -1897 1898 1899 1900 1901 1902 1903 -1904 -1905 1906 1907 1908 1909 -1910 1911 1912 -1913 1914 1915 1916 1917 1918 -1919 -1920 -1921 1922 -1923 1924 1925 -1926 -1927 -1928 1929 1930 1931 1932 1933 1934 1935 -1936 -1937 -1938 -1939 -1940 1941 -1942 1943 -1944 -1945 1946 -1947 -1948 1949 -1950 1951 -1952 -1953 -1954 -1955 -1956 1957 -1958 1959 -1960 1961 1962 1963 -1964 1965 -1966 -1967 -1968 1969 -1970 -1971 1972 -1973 1974 1975 -1976 1977 -1978 -1979 1980 -1981 -1982 1983 1984 -1985 -1986 1987 1988 -1989 1990 1991 1992 1993 -1994 1995 -1996 1997 -1998 -1999 2000 0
14.09/14.19	c Done in 14.010000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1527816-1238389161/watcher-1527816-1238389161 -o /tmp/evaluation-result-1527816-1238389161/solver-1527816-1238389161 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1527816-1238389161.cnf 654591014 

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: 0.91 0.97 0.99 3/65 27461
/proc/meminfo: memFree=1734840/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=957924 CPUtime=0
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 761 0 0 0 0 0 0 0 18 0 1 0 465249950 980914176 746 1992294400 134512640 135098890 4294956224 18446744073709551615 134517913 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239481 751 46 143 0 239336 0

[startup+0.0708999 s]
/proc/loadavg: 0.91 0.97 0.99 3/65 27461
/proc/meminfo: memFree=1734840/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958708 CPUtime=0.06
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 9876 0 0 0 3 3 0 0 18 0 1 0 465249950 981716992 9860 1992294400 134512640 135098890 4294956224 18446744073709551615 134603886 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239677 9860 48 143 0 239532 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 958708

[startup+0.101901 s]
/proc/loadavg: 0.91 0.97 0.99 3/65 27461
/proc/meminfo: memFree=1734840/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=0.09
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 12518 0 0 0 4 5 0 0 18 0 1 0 465249950 981712896 12501 1992294400 134512640 135098890 4294956224 18446744073709551615 134518761 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 12505 48 143 0 239531 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 958704

[startup+0.301924 s]
/proc/loadavg: 0.91 0.97 0.99 3/65 27461
/proc/meminfo: memFree=1734840/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=0.29
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 21 8 0 0 19 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134514582 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 958704

[startup+0.70197 s]
/proc/loadavg: 0.91 0.97 0.99 3/65 27461
/proc/meminfo: memFree=1734840/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=0.69
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 61 8 0 0 22 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134514164 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 958704

[startup+1.50106 s]
/proc/loadavg: 0.91 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1655664/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=1.48
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 140 8 0 0 25 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134513961 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 958704

[startup+3.10124 s]
/proc/loadavg: 0.91 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1655472/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=3.08
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 300 8 0 0 25 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134514661 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 958704

[startup+6.3016 s]
/proc/loadavg: 0.92 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1655472/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=6.29
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 620 9 0 0 25 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134515552 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 958704

[startup+12.7013 s]
/proc/loadavg: 0.93 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1655472/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=12.69
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 1260 9 0 0 25 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134513893 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 958704

############
# WARNING:
# current cumulated CPU time (0 s) is less than in the last sample (14.09 s)
# The time of a child was probably not reported to its father.
# (see the two samples below)
# Adding the difference (14.09 s) to the 'lost time'.

[startup+14.1015 s]
/proc/loadavg: 0.93 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1655472/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=14.09
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 1400 9 0 0 25 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134515272 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 14.09
Current children cumulated vsize (KiB) 958704

[startup+14.2015 s]
/proc/loadavg: 0.93 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1718448/2055920 swapFree=4178736/4192956
[pid=27461] ppid=-1 vsize=0 CPUtime=0
/proc/27461/stat : -- couldn't open stat file --/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0
#
############


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

[startup+13.5014 s]
/proc/loadavg: 0.93 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1655472/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=13.49
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 1340 9 0 0 25 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134515219 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 13.49
Current children cumulated vsize (KiB) 958704

[startup+13.9015 s]
/proc/loadavg: 0.93 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1655472/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=13.89
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 1380 9 0 0 25 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134515353 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 13.89
Current children cumulated vsize (KiB) 958704

[startup+14.1015 s]
/proc/loadavg: 0.93 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1655472/2055920 swapFree=4178736/4192956
[pid=27461] ppid=27459 vsize=958704 CPUtime=14.09
/proc/27461/stat : 27461 (gnovelty+) R 27459 27461 27154 0 -1 4194304 19804 0 0 0 1400 9 0 0 25 0 1 0 465249950 981712896 19787 1992294400 134512640 135098890 4294956224 18446744073709551615 134515272 0 0 4096 0 0 0 0 17 1 0 0
/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 14.09
Current children cumulated vsize (KiB) 958704

[startup+14.2015 s]
/proc/loadavg: 0.93 0.97 0.99 2/66 27462
/proc/meminfo: memFree=1718448/2055920 swapFree=4178736/4192956
[pid=27461] ppid=-1 vsize=0 CPUtime=0
/proc/27461/stat : -- couldn't open stat file --/proc/27461/statm: 239676 19787 65 143 0 239531 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0

Child status: 10

# WARNING:
# The CPU time of some children was not reported to their father
# (probably because of a missing or aborted wait()).
# This 'lost CPU time' is added to the watched process CPU time.
#  lost CPU time (s): 14.09
#  lost CPU user time (s): 14
#  lost CPU system time (s): 0.09

Real time (s): 14.2044
CPU time (s): 28.2898
CPU user time (s): 28.0949
CPU system time (s): 0.194984
CPU usage (%): 199.162
Max. virtual memory (cumulated for all children) (KiB): 958708

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 14.0949
system time used= 0.104984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19809
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= 2
involuntary context switches= 25

runsolver used 0.019996 second user time and 0.041993 second system time

The end

Launcher Data 

Begin job on node32 at 2009-03-30 06:59:21
IDJOB=1527816
IDBENCH=70293
IDSOLVER=536
FILE ID=node32/1527816-1238389161
PBS_JOBID= 9061313
Free space on /tmp= 66456 MiB

SOLVER NAME= gnovelty+ 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S779309989-069.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1527816-1238389161/watcher-1527816-1238389161 -o /tmp/evaluation-result-1527816-1238389161/solver-1527816-1238389161 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1527816-1238389161.cnf 654591014

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

MD5SUM BENCH= f790d28bf27d167da954318ad1a18e9d
RANDOM SEED=654591014

node32.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		: 3000.234
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		: 3000.234
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:       1735256 kB
Buffers:         71272 kB
Cached:         183184 kB
SwapCached:       7344 kB
Active:          66200 kB
Inactive:       196996 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1735256 kB
SwapTotal:     4192956 kB
SwapFree:      4178736 kB
Dirty:            1052 kB
Writeback:           0 kB
Mapped:          14512 kB
Slab:            43180 kB
Committed_AS:  1471828 kB
PageTables:       1488 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66456 MiB
End job on node32 at 2009-03-30 06:59:35