Trace number 1628641

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
adaptg2wsat2009++ 2009-03-23SAT 1.49977 1.50006

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1765449180-016.cnf
MD5SUM8919b1e0a8b22ddbf62ba887cc4a9b9a
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.20981
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 

1.39/1.49	c 0 clauses are redundant and removed
1.39/1.49	c 0 vars are fixed and 0 clauses are removed after unit propagation
1.39/1.49	c 0 vars are fixed and 0 clauses are removed after lookahead
1.39/1.49	c initial seed is 212184744
1.39/1.49	c try 1 flip j 1041010 walk 905423 seed 1773230833
1.39/1.49	c A solution is found
1.39/1.49	s SATISFIABLE
1.39/1.49	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 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-1837 1838 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 
1.39/1.49	v 0 
1.39/1.49	c Done (mycputime is 1.470 seconds)

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-1628641-1240018107/watcher-1628641-1240018107 -o /tmp/evaluation-result-1628641-1240018107/solver-1628641-1240018107 -C 5000 -W 6000 -M 1800 --output-limit 1,15 HOME/adaptg2wsat2009++ HOME/instance-1628641-1240018107.cnf 212184744 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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 3/64 20585
/proc/meminfo: memFree=1339680/2055920 swapFree=4192956/4192956
[pid=20585] ppid=20583 vsize=415800 CPUtime=0
/proc/20585/stat : 20585 (adaptg2wsat2009) R 20583 20585 20512 0 -1 4194304 109 0 0 0 0 0 0 0 18 0 1 0 29844268 425779200 93 1992294400 134512640 135107411 4294956208 18446744073709551615 134611854 0 0 4096 0 0 0 0 17 1 0 0
/proc/20585/statm: 103950 93 48 145 0 102826 0

[startup+0.074554 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 20585
/proc/meminfo: memFree=1339680/2055920 swapFree=4192956/4192956
[pid=20585] ppid=20583 vsize=416724 CPUtime=0.07
/proc/20585/stat : 20585 (adaptg2wsat2009) R 20583 20585 20512 0 -1 4194304 457 0 0 0 7 0 0 0 18 0 1 0 29844268 426725376 440 1992294400 134512640 135107411 4294956208 18446744073709551615 134533989 0 0 4096 0 0 0 0 17 1 0 0
/proc/20585/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 416724

[startup+0.101555 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 20585
/proc/meminfo: memFree=1339680/2055920 swapFree=4192956/4192956
[pid=20585] ppid=20583 vsize=416724 CPUtime=0.09
/proc/20585/stat : 20585 (adaptg2wsat2009) R 20583 20585 20512 0 -1 4194304 457 0 0 0 9 0 0 0 18 0 1 0 29844268 426725376 440 1992294400 134512640 135107411 4294956208 18446744073709551615 134535151 0 0 4096 0 0 0 0 17 1 0 0
/proc/20585/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 416724

[startup+0.301567 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 20585
/proc/meminfo: memFree=1339680/2055920 swapFree=4192956/4192956
[pid=20585] ppid=20583 vsize=416724 CPUtime=0.29
/proc/20585/stat : 20585 (adaptg2wsat2009) R 20583 20585 20512 0 -1 4194304 457 0 0 0 29 0 0 0 19 0 1 0 29844268 426725376 440 1992294400 134512640 135107411 4294956208 18446744073709551615 134532313 0 0 4096 0 0 0 0 17 1 0 0
/proc/20585/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 416724

[startup+0.70159 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 20585
/proc/meminfo: memFree=1339680/2055920 swapFree=4192956/4192956
[pid=20585] ppid=20583 vsize=416724 CPUtime=0.69
/proc/20585/stat : 20585 (adaptg2wsat2009) R 20583 20585 20512 0 -1 4194304 457 0 0 0 69 0 0 0 22 0 1 0 29844268 426725376 440 1992294400 134512640 135107411 4294956208 18446744073709551615 134531600 0 0 4096 0 0 0 0 17 1 0 0
/proc/20585/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 416724

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

[startup+1.10561 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 20586
/proc/meminfo: memFree=1337944/2055920 swapFree=4192956/4192956
[pid=20585] ppid=20583 vsize=416724 CPUtime=1.1
/proc/20585/stat : 20585 (adaptg2wsat2009) R 20583 20585 20512 0 -1 4194304 457 0 0 0 110 0 0 0 25 0 1 0 29844268 426725376 440 1992294400 134512640 135107411 4294956208 18446744073709551615 134532277 0 0 4096 0 0 0 0 17 1 0 0
/proc/20585/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 416724

[startup+1.30163 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 20586
/proc/meminfo: memFree=1337944/2055920 swapFree=4192956/4192956
[pid=20585] ppid=20583 vsize=416724 CPUtime=1.29
/proc/20585/stat : 20585 (adaptg2wsat2009) R 20583 20585 20512 0 -1 4194304 457 0 0 0 129 0 0 0 25 0 1 0 29844268 426725376 440 1992294400 134512640 135107411 4294956208 18446744073709551615 134532128 0 0 4096 0 0 0 0 17 1 0 0
/proc/20585/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 416724

[startup+1.40163 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 20586
/proc/meminfo: memFree=1337944/2055920 swapFree=4192956/4192956
[pid=20585] ppid=20583 vsize=416724 CPUtime=1.39
/proc/20585/stat : 20585 (adaptg2wsat2009) R 20583 20585 20512 0 -1 4194304 457 0 0 0 139 0 0 0 25 0 1 0 29844268 426725376 440 1992294400 134512640 135107411 4294956208 18446744073709551615 134531817 0 0 4096 0 0 0 0 17 1 0 0
/proc/20585/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 416724

Child status: 10
Real time (s): 1.50006
CPU time (s): 1.49977
CPU user time (s): 1.49677
CPU system time (s): 0.002999
CPU usage (%): 99.9804
Max. virtual memory (cumulated for all children) (KiB): 416724

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.49677
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 468
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= 4

runsolver used 0.004999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node22 at 2009-04-18 03:28:27
IDJOB=1628641
IDBENCH=70285
IDSOLVER=584
FILE ID=node22/1628641-1240018107
PBS_JOBID= 9158967
Free space on /tmp= 66088 MiB

SOLVER NAME= adaptg2wsat2009++ 2009-03-23
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1765449180-016.cnf
COMMAND LINE= HOME/adaptg2wsat2009++ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1628641-1240018107/watcher-1628641-1240018107 -o /tmp/evaluation-result-1628641-1240018107/solver-1628641-1240018107 -C 5000 -W 6000 -M 1800 --output-limit 1,15  HOME/adaptg2wsat2009++ HOME/instance-1628641-1240018107.cnf 212184744

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 8919b1e0a8b22ddbf62ba887cc4a9b9a
RANDOM SEED=212184744

node22.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		: 3000.232
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		: 3000.232
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:       1340096 kB
Buffers:         81120 kB
Cached:         560256 kB
SwapCached:          0 kB
Active:         250912 kB
Inactive:       404344 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1340096 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            4712 kB
Writeback:           0 kB
Mapped:          23692 kB
Slab:            46616 kB
Committed_AS:   161044 kB
PageTables:       1368 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= 66084 MiB
End job on node22 at 2009-04-18 03:28:29