Trace number 1522664

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 4.71628 4.71826

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 benchmark0.766883
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 

4.69/4.71	c try 1 flip j 2677997
4.69/4.71	c A solution is found
4.69/4.71	s SATISFIABLE
4.69/4.71	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 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-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 
4.69/4.71	v 0 
4.69/4.71	c Done (mycputime is 4.690 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-1522664-1238387592/watcher-1522664-1238387592 -o /tmp/evaluation-result-1522664-1238387592/solver-1522664-1238387592 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/TNM HOME/instance-1522664-1238387592.cnf 1035958263 

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 1.07 1.18 3/64 32218
/proc/meminfo: memFree=1490376/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=450932 CPUtime=0
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 111 0 0 0 0 0 0 0 18 0 1 0 1111424449 461754368 96 1992294400 134512640 135094415 4294956208 18446744073709551615 134596542 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 112733 96 49 142 0 111612 0

[startup+0.0366989 s]
/proc/loadavg: 1.00 1.07 1.18 3/64 32218
/proc/meminfo: memFree=1490376/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=451720 CPUtime=0.03
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 437 0 0 0 3 0 0 0 18 0 1 0 1111424449 462561280 421 1992294400 134512640 135094415 4294956208 18446744073709551615 134526761 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 112930 421 50 142 0 111809 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 451720

[startup+0.102717 s]
/proc/loadavg: 1.00 1.07 1.18 3/64 32218
/proc/meminfo: memFree=1490376/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=451720 CPUtime=0.1
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 437 0 0 0 10 0 0 0 18 0 1 0 1111424449 462561280 421 1992294400 134512640 135094415 4294956208 18446744073709551615 134528859 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 112930 421 50 142 0 111809 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 451720

[startup+0.301736 s]
/proc/loadavg: 1.00 1.07 1.18 3/64 32218
/proc/meminfo: memFree=1490376/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=451720 CPUtime=0.3
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 437 0 0 0 30 0 0 0 19 0 1 0 1111424449 462561280 421 1992294400 134512640 135094415 4294956208 18446744073709551615 134526681 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 112930 421 50 142 0 111809 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 451720

[startup+0.701793 s]
/proc/loadavg: 1.00 1.07 1.18 3/64 32218
/proc/meminfo: memFree=1490376/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=455620 CPUtime=0.7
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 438 0 0 0 70 0 0 0 22 0 1 0 1111424449 466554880 422 1992294400 134512640 135094415 4294956208 18446744073709551615 134528824 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 113905 422 50 142 0 112784 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 455620

[startup+1.50191 s]
/proc/loadavg: 1.00 1.07 1.18 2/65 32219
/proc/meminfo: memFree=1488704/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=455620 CPUtime=1.5
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 438 0 0 0 150 0 0 0 25 0 1 0 1111424449 466554880 422 1992294400 134512640 135094415 4294956208 18446744073709551615 134527156 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 113905 422 50 142 0 112784 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 455620

[startup+3.10114 s]
/proc/loadavg: 1.00 1.07 1.18 2/65 32219
/proc/meminfo: memFree=1488576/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=455620 CPUtime=3.09
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 438 0 0 0 309 0 0 0 25 0 1 0 1111424449 466554880 422 1992294400 134512640 135094415 4294956208 18446744073709551615 134527156 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 113905 422 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+3.90125 s]
/proc/loadavg: 1.00 1.07 1.18 2/65 32219
/proc/meminfo: memFree=1488576/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=455620 CPUtime=3.89
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 438 0 0 0 389 0 0 0 25 0 1 0 1111424449 466554880 422 1992294400 134512640 135094415 4294956208 18446744073709551615 134526585 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 113905 422 50 142 0 112784 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 455620

[startup+4.30131 s]
/proc/loadavg: 1.00 1.07 1.18 2/65 32219
/proc/meminfo: memFree=1488512/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=455620 CPUtime=4.3
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 438 0 0 0 430 0 0 0 25 0 1 0 1111424449 466554880 422 1992294400 134512640 135094415 4294956208 18446744073709551615 134528741 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 113905 422 50 142 0 112784 0
Current children cumulated CPU time (s) 4.3
Current children cumulated vsize (KiB) 455620

[startup+4.70137 s]
/proc/loadavg: 1.00 1.07 1.18 2/65 32219
/proc/meminfo: memFree=1488512/2055920 swapFree=4175692/4192956
[pid=32218] ppid=32216 vsize=455620 CPUtime=4.69
/proc/32218/stat : 32218 (TNM) R 32216 32218 32005 0 -1 4194304 438 0 0 0 469 0 0 0 25 0 1 0 1111424449 466554880 422 1992294400 134512640 135094415 4294956208 18446744073709551615 134528856 0 0 4096 0 0 0 0 17 1 0 0
/proc/32218/statm: 113905 422 50 142 0 112784 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 455620

Child status: 10
Real time (s): 4.71826
CPU time (s): 4.71628
CPU user time (s): 4.71628
CPU system time (s): 0
CPU usage (%): 99.9582
Max. virtual memory (cumulated for all children) (KiB): 455620

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.71628
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 452
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= 6

runsolver used 0.006998 second user time and 0.015997 second system time

The end

Launcher Data 

Begin job on node30 at 2009-03-30 06:33:12
IDJOB=1522664
IDBENCH=70285
IDSOLVER=532
FILE ID=node30/1522664-1238387592
PBS_JOBID= 9061348
Free space on /tmp= 66360 MiB

SOLVER NAME= TNM 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1765449180-016.cnf
COMMAND LINE= HOME/TNM BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1522664-1238387592/watcher-1522664-1238387592 -o /tmp/evaluation-result-1522664-1238387592/solver-1522664-1238387592 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/TNM HOME/instance-1522664-1238387592.cnf 1035958263

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

MD5SUM BENCH= 8919b1e0a8b22ddbf62ba887cc4a9b9a
RANDOM SEED=1035958263

node30.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		: 3000.260
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	: 5931.00
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		: 3000.260
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:       1490792 kB
Buffers:         70360 kB
Cached:         410256 kB
SwapCached:      11092 kB
Active:          68332 kB
Inactive:       425308 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1490792 kB
SwapTotal:     4192956 kB
SwapFree:      4175692 kB
Dirty:            4708 kB
Writeback:           0 kB
Mapped:          18688 kB
Slab:            57484 kB
Committed_AS:  3023916 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= 66352 MiB
End job on node30 at 2009-03-30 06:33:17