Trace number 1522685

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
TNM 2009-03-22SAT 5.95109 5.95257

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1494472801-040.cnf
MD5SUM68d6a1970f04966f07e2b02a79996009
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.725889
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

5.89/5.95	c try 1 flip j 3386755
5.89/5.95	c A solution is found
5.89/5.95	s SATISFIABLE
5.89/5.95	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 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-1827 -1828 -1829 -1830 1831 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 
5.89/5.95	v 0 
5.89/5.95	c Done (mycputime is 5.920 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-1522685-1238388989/watcher-1522685-1238388989 -o /tmp/evaluation-result-1522685-1238388989/solver-1522685-1238388989 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/TNM HOME/instance-1522685-1238388989.cnf 1987378957 

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 3/76 26986
/proc/meminfo: memFree=1753096/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=450932 CPUtime=0
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 115 0 0 0 0 0 0 0 18 0 1 0 1111560128 461754368 100 1992294400 134512640 135094415 4294956208 18446744073709551615 134596542 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 112733 101 49 142 0 111612 0

[startup+0.026347 s]
/proc/loadavg: 1.00 1.00 1.00 3/76 26986
/proc/meminfo: memFree=1753096/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=451456 CPUtime=0.02
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 280 0 0 0 2 0 0 0 18 0 1 0 1111560128 462290944 264 1992294400 134512640 135094415 4294956208 18446744073709551615 134523978 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 112864 264 49 142 0 111743 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 451456

[startup+0.101352 s]
/proc/loadavg: 1.00 1.00 1.00 3/76 26986
/proc/meminfo: memFree=1753096/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=451720 CPUtime=0.1
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 436 0 0 0 10 0 0 0 18 0 1 0 1111560128 462561280 420 1992294400 134512640 135094415 4294956208 18446744073709551615 134526981 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 112930 420 50 142 0 111809 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 451720

[startup+0.301369 s]
/proc/loadavg: 1.00 1.00 1.00 3/76 26986
/proc/meminfo: memFree=1753096/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=451720 CPUtime=0.3
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 436 0 0 0 30 0 0 0 19 0 1 0 1111560128 462561280 420 1992294400 134512640 135094415 4294956208 18446744073709551615 134527092 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 112930 420 50 142 0 111809 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 451720

[startup+0.701401 s]
/proc/loadavg: 1.00 1.00 1.00 3/76 26986
/proc/meminfo: memFree=1753096/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=451720 CPUtime=0.7
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 436 0 0 0 70 0 0 0 22 0 1 0 1111560128 462561280 420 1992294400 134512640 135094415 4294956208 18446744073709551615 134526681 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 112930 420 50 142 0 111809 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 451720

[startup+1.50147 s]
/proc/loadavg: 1.00 1.00 1.00 2/77 26987
/proc/meminfo: memFree=1751424/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=455620 CPUtime=1.5
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 437 0 0 0 150 0 0 0 25 0 1 0 1111560128 466554880 421 1992294400 134512640 135094415 4294956208 18446744073709551615 134526750 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 113905 421 50 142 0 112784 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 455620

[startup+3.1016 s]
/proc/loadavg: 1.00 1.00 1.00 2/77 26987
/proc/meminfo: memFree=1751232/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=455620 CPUtime=3.09
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 437 0 0 0 309 0 0 0 25 0 1 0 1111560128 466554880 421 1992294400 134512640 135094415 4294956208 18446744073709551615 134528363 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 113905 421 50 142 0 112784 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 455620

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

[startup+4.70174 s]
/proc/loadavg: 1.00 1.00 1.00 2/77 26987
/proc/meminfo: memFree=1751040/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=455620 CPUtime=4.69
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 437 0 0 0 469 0 0 0 25 0 1 0 1111560128 466554880 421 1992294400 134512640 135094415 4294956208 18446744073709551615 134527055 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 113905 421 50 142 0 112784 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 455620

[startup+5.5068 s]
/proc/loadavg: 1.00 1.00 1.00 2/77 26987
/proc/meminfo: memFree=1751040/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=455620 CPUtime=5.5
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 437 0 0 0 550 0 0 0 25 0 1 0 1111560128 466554880 421 1992294400 134512640 135094415 4294956208 18446744073709551615 134526283 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 113905 421 50 142 0 112784 0
Current children cumulated CPU time (s) 5.5
Current children cumulated vsize (KiB) 455620

[startup+5.90184 s]
/proc/loadavg: 1.00 1.00 1.00 2/77 26987
/proc/meminfo: memFree=1751040/2055920 swapFree=4173760/4192956
[pid=26986] ppid=26984 vsize=455620 CPUtime=5.89
/proc/26986/stat : 26986 (TNM) R 26984 26986 26713 0 -1 4194304 437 0 0 0 589 0 0 0 25 0 1 0 1111560128 466554880 421 1992294400 134512640 135094415 4294956208 18446744073709551615 134527055 0 0 4096 0 0 0 0 17 1 0 0
/proc/26986/statm: 113905 421 50 142 0 112784 0
Current children cumulated CPU time (s) 5.89
Current children cumulated vsize (KiB) 455620

Child status: 10
Real time (s): 5.95257
CPU time (s): 5.95109
CPU user time (s): 5.9471
CPU system time (s): 0.003999
CPU usage (%): 99.9753
Max. virtual memory (cumulated for all children) (KiB): 455620

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.9471
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 451
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= 17

runsolver used 0.008998 second user time and 0.021996 second system time

The end

Launcher Data

Begin job on node65 at 2009-03-30 06:56:29
IDJOB=1522685
IDBENCH=70292
IDSOLVER=532
FILE ID=node65/1522685-1238388989
PBS_JOBID= 9061321
Free space on /tmp= 66316 MiB

SOLVER NAME= TNM 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1494472801-040.cnf
COMMAND LINE= HOME/TNM BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1522685-1238388989/watcher-1522685-1238388989 -o /tmp/evaluation-result-1522685-1238388989/solver-1522685-1238388989 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/TNM HOME/instance-1522685-1238388989.cnf 1987378957

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

MD5SUM BENCH= 68d6a1970f04966f07e2b02a79996009
RANDOM SEED=1987378957

node65.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		: 3000.231
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		: 3000.231
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:       1753512 kB
Buffers:         57740 kB
Cached:         157004 kB
SwapCached:       9792 kB
Active:          55620 kB
Inactive:       170480 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1753512 kB
SwapTotal:     4192956 kB
SwapFree:      4173760 kB
Dirty:            4696 kB
Writeback:           0 kB
Mapped:          16952 kB
Slab:            60984 kB
Committed_AS:  3302628 kB
PageTables:       2316 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= 66312 MiB
End job on node65 at 2009-03-30 06:56:35