Trace number 1522687

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
NCVWr 2009-03-22SAT 8.89265 8.89446

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 

8.80/8.89	c try 1 flip j 3246287
8.80/8.89	c A solution is found
8.80/8.89	s SATISFIABLE
8.80/8.89	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 -245 246 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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 
8.80/8.89	v 0 
8.80/8.89	c Done (mycputime is 8.870 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-1522687-1238389149/watcher-1522687-1238389149 -o /tmp/evaluation-result-1522687-1238389149/solver-1522687-1238389149 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/NCVWr HOME/instance-1522687-1238389149.cnf 885634816 

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: 0.99 0.98 0.99 3/65 27407
/proc/meminfo: memFree=1735608/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=411884 CPUtime=0
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 119 0 0 0 0 0 0 0 18 0 1 0 465248776 421769216 104 1992294400 134512640 135113558 4294956224 18446744073709551615 134619510 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 102971 105 55 146 0 101846 0

[startup+0.037256 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 27407
/proc/meminfo: memFree=1735608/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=0.03
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 471 0 0 0 3 0 0 0 18 0 1 0 465248776 426708992 455 1992294400 134512640 135113558 4294956224 18446744073709551615 134521134 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 455 57 146 0 103052 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 416708

[startup+0.101248 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 27407
/proc/meminfo: memFree=1735608/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=0.09
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 9 0 0 0 18 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134534062 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 416708

[startup+0.301271 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 27407
/proc/meminfo: memFree=1735608/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=0.29
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 29 0 0 0 19 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134531229 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 416708

[startup+0.701316 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 27407
/proc/meminfo: memFree=1735608/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=0.69
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 69 0 0 0 22 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134533845 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 416708

[startup+1.50141 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 27408
/proc/meminfo: memFree=1733616/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=1.49
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 149 0 0 0 25 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134531602 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 416708

[startup+3.10159 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 27408
/proc/meminfo: memFree=1733552/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=3.09
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 309 0 0 0 25 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134533769 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 416708

[startup+6.30195 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 27408
/proc/meminfo: memFree=1733552/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=6.29
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 629 0 0 0 25 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134531835 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 416708

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

[startup+7.90113 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 27408
/proc/meminfo: memFree=1733552/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=7.89
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 789 0 0 0 25 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134534242 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 416708

[startup+8.30118 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 27408
/proc/meminfo: memFree=1733552/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=8.29
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 829 0 0 0 25 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134531493 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 8.29
Current children cumulated vsize (KiB) 416708

[startup+8.70122 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 27408
/proc/meminfo: memFree=1733552/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=8.7
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 870 0 0 0 25 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134531987 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 8.7
Current children cumulated vsize (KiB) 416708

[startup+8.80524 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 27408
/proc/meminfo: memFree=1733552/2055920 swapFree=4178736/4192956
[pid=27407] ppid=27405 vsize=416708 CPUtime=8.8
/proc/27407/stat : 27407 (NCVWr) R 27405 27407 27154 0 -1 4194304 472 0 0 0 880 0 0 0 25 0 1 0 465248776 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134534151 0 0 4096 0 0 0 0 17 1 0 0
/proc/27407/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 8.8
Current children cumulated vsize (KiB) 416708

Child status: 10
Real time (s): 8.89446
CPU time (s): 8.89265
CPU user time (s): 8.89065
CPU system time (s): 0.001999
CPU usage (%): 99.9796
Max. virtual memory (cumulated for all children) (KiB): 416708

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.89065
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 486
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= 16

runsolver used 0.010998 second user time and 0.025996 second system time

The end

Launcher Data 

Begin job on node32 at 2009-03-30 06:59:09
IDJOB=1522687
IDBENCH=70293
IDSOLVER=531
FILE ID=node32/1522687-1238389149
PBS_JOBID= 9061313
Free space on /tmp= 66456 MiB

SOLVER NAME= NCVWr 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S779309989-069.cnf
COMMAND LINE= HOME/NCVWr BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1522687-1238389149/watcher-1522687-1238389149 -o /tmp/evaluation-result-1522687-1238389149/solver-1522687-1238389149 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/NCVWr HOME/instance-1522687-1238389149.cnf 885634816

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

MD5SUM BENCH= f790d28bf27d167da954318ad1a18e9d
RANDOM SEED=885634816

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:       1736024 kB
Buffers:         71216 kB
Cached:         182492 kB
SwapCached:       7344 kB
Active:          70016 kB
Inactive:       192464 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1736024 kB
SwapTotal:     4192956 kB
SwapFree:      4178736 kB
Dirty:            4732 kB
Writeback:           0 kB
Mapped:          14512 kB
Slab:            43160 kB
Committed_AS:  1467888 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= 66452 MiB
End job on node32 at 2009-03-30 06:59:18