Trace number 1532562

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 0.343947 0.344967

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S136987316-008.cnf
MD5SUMf6ddf1b0f08bcc31521c4b74db5ce22f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.330948
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

0.29/0.34	c 0 clauses are redundant and removed
0.29/0.34	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.29/0.34	c 0 vars are fixed and 0 clauses are removed after lookahead
0.29/0.34	c initial seed is 1591685448
0.29/0.34	c try 1 flip j 214075 walk 183914 seed 1570649819
0.29/0.34	c A solution is found
0.29/0.34	s SATISFIABLE
0.29/0.34	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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-1832 -1833 1834 1835 -1836 -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 
0.29/0.34	v 0 
0.29/0.34	c Done (mycputime is 0.320 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-1532562-1238387765/watcher-1532562-1238387765 -o /tmp/evaluation-result-1532562-1238387765/solver-1532562-1238387765 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat2009 HOME/instance-1532562-1238387765.cnf 1591685448 

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 3/64 7113
/proc/meminfo: memFree=1645080/2055920 swapFree=4178796/4192956
[pid=7113] ppid=7111 vsize=415800 CPUtime=0
/proc/7113/stat : 7113 (adaptg2wsat2009) R 7111 7113 6894 0 -1 4194304 110 0 0 0 0 0 0 0 18 0 1 0 1111438310 425779200 94 1992294400 134512640 135106963 4294956208 18446744073709551615 134611406 0 0 4096 0 0 0 0 17 1 0 0
/proc/7113/statm: 103950 94 49 145 0 102826 0

[startup+0.0740759 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 7113
/proc/meminfo: memFree=1645080/2055920 swapFree=4178796/4192956
[pid=7113] ppid=7111 vsize=416724 CPUtime=0.06
/proc/7113/stat : 7113 (adaptg2wsat2009) R 7111 7113 6894 0 -1 4194304 457 0 0 0 6 0 0 0 18 0 1 0 1111438310 426725376 440 1992294400 134512640 135106963 4294956208 18446744073709551615 134531685 0 0 4096 0 0 0 0 17 1 0 0
/proc/7113/statm: 104181 440 60 145 0 103057 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 416724

[startup+0.101077 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 7113
/proc/meminfo: memFree=1645080/2055920 swapFree=4178796/4192956
[pid=7113] ppid=7111 vsize=416724 CPUtime=0.09
/proc/7113/stat : 7113 (adaptg2wsat2009) R 7111 7113 6894 0 -1 4194304 457 0 0 0 9 0 0 0 18 0 1 0 1111438310 426725376 440 1992294400 134512640 135106963 4294956208 18446744073709551615 134532179 0 0 4096 0 0 0 0 17 1 0 0
/proc/7113/statm: 104181 440 60 145 0 103057 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 416724

[startup+0.301094 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 7113
/proc/meminfo: memFree=1645080/2055920 swapFree=4178796/4192956
[pid=7113] ppid=7111 vsize=416724 CPUtime=0.29
/proc/7113/stat : 7113 (adaptg2wsat2009) R 7111 7113 6894 0 -1 4194304 457 0 0 0 29 0 0 0 19 0 1 0 1111438310 426725376 440 1992294400 134512640 135106963 4294956208 18446744073709551615 134532116 0 0 4096 0 0 0 0 17 1 0 0
/proc/7113/statm: 104181 440 60 145 0 103057 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 416724

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

Child status: 10
Real time (s): 0.344967
CPU time (s): 0.343947
CPU user time (s): 0.340948
CPU system time (s): 0.002999
CPU usage (%): 99.7043
Max. virtual memory (cumulated for all children) (KiB): 416724

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.340948
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= 0

runsolver used 0.005999 second user time and 0.002999 second system time

The end

Launcher Data

Begin job on node57 at 2009-03-30 06:36:05
IDJOB=1532562
IDBENCH=70286
IDSOLVER=542
FILE ID=node57/1532562-1238387765
PBS_JOBID= 9061327
Free space on /tmp= 66264 MiB

SOLVER NAME= adaptg2wsat2009 2009-03-23
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S136987316-008.cnf
COMMAND LINE= HOME/adaptg2wsat2009 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1532562-1238387765/watcher-1532562-1238387765 -o /tmp/evaluation-result-1532562-1238387765/solver-1532562-1238387765 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat2009 HOME/instance-1532562-1238387765.cnf 1591685448

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

MD5SUM BENCH= f6ddf1b0f08bcc31521c4b74db5ce22f
RANDOM SEED=1591685448

node57.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		: 3000.213
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		: 3000.213
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:       1645560 kB
Buffers:         55088 kB
Cached:         264272 kB
SwapCached:       7992 kB
Active:          61360 kB
Inactive:       267480 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1645560 kB
SwapTotal:     4192956 kB
SwapFree:      4178796 kB
Dirty:            4844 kB
Writeback:           0 kB
Mapped:          15100 kB
Slab:            67684 kB
Committed_AS:  2538248 kB
PageTables:       1392 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= 66260 MiB
End job on node57 at 2009-03-30 06:36:05