Trace number 1561715

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
CircUs 2009-03-23SAT 27.3488 27.3584

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark14.8357
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data 

0.19/0.21	c CirCUs release 2.0 (compiled 25-Mar-09 at 4:46 PM)
0.19/0.21	c Eliminate time :       0.15 
27.28/27.33	c CNF read time  :       0.05 
27.28/27.33	c CNF solve time :      27.29 
27.28/27.33	c Memory usage :    14.0078 MB
27.28/27.33	c Restart : 334
27.28/27.33	c Decisions : random(7840), heuristic(623054), history(0/0)
27.28/27.33	c Implications : 17364432
27.28/27.33	c Forced Restart : 0
27.28/27.33	c Polarity Change : 795
27.28/27.33	c Learned clasues  : 23504 out of 185818
27.28/27.33	c Learned literals : 951136 out of 8238640
27.28/27.33	c Number of first UIP : 52060 out of 185818
27.28/27.33	c Number of simplify : 2
27.28/27.33	c Number of continuous distill : 2584
27.28/27.33	c Average depth of OTS : 2
27.28/27.33	c Average depth of additional conflict : 23
27.28/27.33	c Saved conflict clasues : 1029
27.28/27.33	c Saved conflict literals : 21458
27.28/27.33	c Additional conflict clauses : 5629
27.28/27.33	c Additional conflict literals : 337204
27.28/27.33	c Additional conflict analysis : 7788
27.28/27.33	s SATISFIABLE
27.28/27.33	v -1  2 -3 -4 -5 -6 -7 -8 -9 -10 
27.28/27.33	v -11 -12 -13 -14 -15 -16  17 -18 -19 -20 
27.28/27.33	v -21 -22 -23 -24 -25 -26 -27 -28 -29 -30 
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27.28/27.33	v -51 -52 -53 -54 -55 -56 -57 -58 -59 -60 
27.28/27.33	v -61 -62 -63 -64 -65 -66 -67 -68 -69  70 
27.28/27.33	v -71 -72 -73 -74 -75 -76 -77 -78 -79 -80 
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27.28/27.34	v -911 -912 -913 -914 -915 -916 -917 -918 -919 -920 
27.28/27.34	v -921 -922 -923 -924  925 -926 -927 -928 -929 -930 
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27.28/27.34	v -1201 -1202  1203 -1204 -1205 -1206 -1207 -1208 -1209 -1210 
27.28/27.34	v -1211 -1212 -1213  1214 -1215 -1216 -1217 -1218 -1219 -1220 
27.28/27.34	v -1221 -1222 -1223 -1224 -1225 -1226 -1227 -1228 -1229 -1230 
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27.28/27.34	v -1301 -1302 -1303 -1304 -1305 -1306 -1307 -1308 -1309 -1310 
27.28/27.34	v -1311 -1312 -1313 -1314  1315 -1316 -1317 -1318 -1319 -1320 
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27.28/27.34	v -1501 -1502 -1503 -1504 -1505 -1506 -1507 -1508 -1509 -1510 
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27.28/27.34	v -1911  1912  1913 -1914 -1915 -1916 -1917 -1918  1919 -1920 
27.28/27.34	v -1921 -1922 -1923  1924 -1925 -1926 -1927 -1928  1929 -1930 
27.28/27.34	v -1931 -1932 -1933 -1934  1935  1936 -1937 -1938 -1939 -1940 
27.28/27.34	v -1941  1942 -1943 -1944 -1945  1946 -1947 -1948 -1949 -1950 
27.28/27.34	v  1951 -1952 -1953 -1954 -1955 -1956  1957 -1958 -1959 -1960 
27.28/27.34	v -1961 -1962  1963 -1964 -1965 -1966  1967 -1968 -1969 -1970 
27.28/27.34	v -1971  1972 -1973 -1974  1975 -1976 -1977 -1978 -1979 -1980 
27.28/27.34	v -1981 -1982  1983 -1984  1985 -1986 -1987 -1988 -1989  1990 
27.28/27.34	v -1991 -1992 -1993 -1994 -1995 -1996 -1997  1998 -1999  2000 
27.28/27.34	v -2001 -2002 -2003 -2004 -2005 -2006 -2007  2008 -2009  2010 
27.28/27.34	v -2011 -2012 -2013 -2014 -2015  2016 -2017 -2018 -2019 -2020 
27.28/27.35	v -2021 -2022  2023 -2024  2025 -2026 -2027 -2028 -2029 -2030 
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27.28/27.35	v -2061 -2062 -2063  2064 -2065 -2066 -2067 -2068 -2069 -2070 
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27.28/27.35	v -2091 -2092 -2093  2094 -2095 -2096  2097 -2098 -2099 -2100 
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27.28/27.35	v -2381  2382 -2383  2384 -2385 -2386 -2387 -2388 -2389 -2390 
27.28/27.35	v  2391 -2392  2393 -2394 -2395 -2396 -2397 -2398 -2399  2400 
27.28/27.35	v -2401 -2402  2403 -2404 -2405 -2406  2407 -2408  2409 -2410 
27.28/27.35	v -2411 -2412 -2413 -2414  2415 -2416 -2417  2418 -2419 -2420 
27.28/27.35	v 0

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-1561715-1238768355/watcher-1561715-1238768355 -o /tmp/evaluation-result-1561715-1238768355/solver-1561715-1238768355 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/CirCUs HOME/instance-1561715-1238768355.cnf -t 1200 

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 1.08 3/72 2228
/proc/meminfo: memFree=1828576/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=1984 CPUtime=0
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 228 0 0 0 0 0 0 0 18 0 1 120000 1149496827 2031616 213 1992294400 134512640 135224549 4294956224 18446744073709551615 134749214 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 496 213 70 173 0 321 0

[startup+0.031772 s]
/proc/loadavg: 1.00 1.00 1.08 3/72 2228
/proc/meminfo: memFree=1828576/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=3700 CPUtime=0.02
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 670 0 0 0 2 0 0 0 18 0 1 120000 1149496827 3788800 655 1992294400 134512640 135224549 4294956224 18446744073709551615 134726486 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 925 655 70 173 0 750 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3700

[startup+0.102786 s]
/proc/loadavg: 1.00 1.00 1.08 3/72 2228
/proc/meminfo: memFree=1828576/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=4880 CPUtime=0.09
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 1007 0 0 0 9 0 0 0 18 0 1 120000 1149496827 4997120 958 1992294400 134512640 135224549 4294956224 18446744073709551615 134578113 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 1220 958 76 173 0 1045 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4880

[startup+0.301823 s]
/proc/loadavg: 1.00 1.00 1.08 3/72 2228
/proc/meminfo: memFree=1828576/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=5144 CPUtime=0.29
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 1090 0 0 0 29 0 0 0 19 0 1 120000 1149496827 5267456 1041 1992294400 134512640 135224549 4294956224 18446744073709551615 134585004 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 1286 1041 92 173 0 1111 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5144

[startup+0.701899 s]
/proc/loadavg: 1.00 1.00 1.08 3/72 2228
/proc/meminfo: memFree=1828576/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=5544 CPUtime=0.69
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 1201 0 0 0 69 0 0 0 22 0 1 120000 1149496827 5677056 1152 1992294400 134512640 135224549 4294956224 18446744073709551615 134619515 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 1386 1152 92 173 0 1211 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5544

[startup+1.50105 s]
/proc/loadavg: 1.00 1.00 1.08 2/73 2229
/proc/meminfo: memFree=1823960/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=6072 CPUtime=1.49
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 1342 0 0 0 149 0 0 0 25 0 1 120000 1149496827 6217728 1293 1992294400 134512640 135224549 4294956224 18446744073709551615 134620467 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 1518 1293 92 173 0 1343 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6072

[startup+3.10135 s]
/proc/loadavg: 1.00 1.00 1.08 2/73 2229
/proc/meminfo: memFree=1823320/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=6732 CPUtime=3.09
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 1482 0 0 0 309 0 0 0 25 0 1 120000 1149496827 6893568 1433 1992294400 134512640 135224549 4294956224 18446744073709551615 134584992 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 1683 1433 92 173 0 1508 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6732

[startup+6.30195 s]
/proc/loadavg: 1.00 1.00 1.08 2/73 2229
/proc/meminfo: memFree=1822232/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=7788 CPUtime=6.29
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 1764 0 0 0 628 1 0 0 25 0 1 120000 1149496827 7974912 1715 1992294400 134512640 135224549 4294956224 18446744073709551615 134595278 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 1947 1715 92 173 0 1772 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7788

[startup+12.7012 s]
/proc/loadavg: 1.00 1.00 1.08 2/73 2229
/proc/meminfo: memFree=1819608/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=9988 CPUtime=12.68
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 2291 0 0 0 1267 1 0 0 25 0 1 120000 1149496827 10227712 2242 1992294400 134512640 135224549 4294956224 18446744073709551615 134632708 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 2497 2242 92 173 0 2322 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 9988

[startup+25.5026 s]
/proc/loadavg: 1.00 1.00 1.08 2/73 2229
/proc/meminfo: memFree=1816280/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=13420 CPUtime=25.48
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 3180 0 0 0 2545 3 0 0 25 0 1 120000 1149496827 13742080 3131 1992294400 134512640 135224549 4294956224 18446744073709551615 134595383 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 3355 3131 92 173 0 3180 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 13420

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

[startup+26.3017 s]
/proc/loadavg: 1.00 1.00 1.08 2/73 2229
/proc/meminfo: memFree=1815320/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=14340 CPUtime=26.28
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 3351 0 0 0 2625 3 0 0 25 0 1 120000 1149496827 14684160 3302 1992294400 134512640 135224549 4294956224 18446744073709551615 134595278 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 3585 3302 92 173 0 3410 0
Current children cumulated CPU time (s) 26.28
Current children cumulated vsize (KiB) 14340

[startup+27.1019 s]
/proc/loadavg: 1.00 1.00 1.08 2/73 2229
/proc/meminfo: memFree=1815320/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=14340 CPUtime=27.08
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 3351 0 0 0 2705 3 0 0 25 0 1 120000 1149496827 14684160 3302 1992294400 134512640 135224549 4294956224 18446744073709551615 134595404 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 3585 3302 92 173 0 3410 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 14340

[startup+27.3019 s]
/proc/loadavg: 1.00 1.00 1.08 2/73 2229
/proc/meminfo: memFree=1815320/2055920 swapFree=4174988/4192956
[pid=2228] ppid=2225 vsize=14340 CPUtime=27.28
/proc/2228/stat : 2228 (CirCUs) R 2225 2228 2091 0 -1 4194304 3351 0 0 0 2725 3 0 0 25 0 1 120000 1149496827 14684160 3302 1992294400 134512640 135224549 4294956224 18446744073709551615 134618565 0 0 4096 8192 0 0 0 17 1 0 0
/proc/2228/statm: 3585 3302 92 173 0 3410 0
Current children cumulated CPU time (s) 27.28
Current children cumulated vsize (KiB) 14340

Child status: 0
Real time (s): 27.3584
CPU time (s): 27.3488
CPU user time (s): 27.3048
CPU system time (s): 0.043993
CPU usage (%): 99.9652
Max. virtual memory (cumulated for all children) (KiB): 14340

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 27.3048
system time used= 0.043993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3355
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= 9
involuntary context switches= 58

runsolver used 0.015997 second user time and 0.093985 second system time

The end

Launcher Data 

Begin job on node64 at 2009-04-03 16:19:16
IDJOB=1561715
IDBENCH=70920
IDSOLVER=544
FILE ID=node64/1561715-1238768355
PBS_JOBID= 9085519
Free space on /tmp= 66520 MiB

SOLVER NAME= CircUs 2009-03-23
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_8_4_5_exp.cnf
COMMAND LINE= HOME/CirCUs BENCHNAME -t TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561715-1238768355/watcher-1561715-1238768355 -o /tmp/evaluation-result-1561715-1238768355/solver-1561715-1238768355 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/CirCUs HOME/instance-1561715-1238768355.cnf -t 1200

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

MD5SUM BENCH= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=1168016176

node64.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		: 3000.261
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		: 3000.261
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:       1829056 kB
Buffers:         23268 kB
Cached:         125668 kB
SwapCached:       8688 kB
Active:          76932 kB
Inactive:        82348 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1829056 kB
SwapTotal:     4192956 kB
SwapFree:      4174988 kB
Dirty:            1860 kB
Writeback:           0 kB
Mapped:          16116 kB
Slab:            52520 kB
Committed_AS:  3256980 kB
PageTables:       2000 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= 66520 MiB
End job on node64 at 2009-04-03 16:19:43