Trace number 1562006

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
HydraSAT-Flat 2009-03-22-FlatSAT 13.157 13.1615

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_3_6_all.cnf
MD5SUM3264a66e18d5550049c950d1156ee464
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.524919
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses30387
Sum of the clauses size75224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 221205
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
Number of clauses of size over 5150

Solver Data 

13.08/13.15	
13.08/13.15	c decisions : 261944
13.08/13.15	c conflicts : 72529
13.08/13.15	c Memory limit 1620 MiB
13.08/13.15	s SATISFIABLE
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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-1562006-1238769948/watcher-1562006-1238769948 -o /tmp/evaluation-result-1562006-1238769948/solver-1562006-1238769948 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1562006-1238769948.cnf -rs 126462518 -co memory_limit 1800 

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: 1.91 1.93 1.68 3/70 21639
/proc/meminfo: memFree=1795176/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=1748 CPUtime=0
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 218 0 0 0 0 0 0 0 18 0 1 0 1149658025 1789952 202 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 437 202 119 319 0 115 0

[startup+0.104615 s]
/proc/loadavg: 1.91 1.93 1.68 3/70 21639
/proc/meminfo: memFree=1795176/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=4176 CPUtime=0.09
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 831 0 0 0 9 0 0 0 18 0 1 0 1149658025 4276224 802 1992294400 134512640 135819388 4294956160 18446744073709551615 134521188 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 1044 802 128 319 0 722 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4176

[startup+0.202633 s]
/proc/loadavg: 1.91 1.93 1.68 3/70 21639
/proc/meminfo: memFree=1795176/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=5600 CPUtime=0.19
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 1247 0 0 0 19 0 0 0 18 0 1 0 1149658025 5734400 1177 1992294400 134512640 135819388 4294956160 18446744073709551615 134592747 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 1400 1177 148 319 0 1078 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 5600

[startup+0.301633 s]
/proc/loadavg: 1.91 1.93 1.68 3/70 21639
/proc/meminfo: memFree=1795176/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=5728 CPUtime=0.29
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 1254 0 0 0 29 0 0 0 19 0 1 0 1149658025 5865472 1184 1992294400 134512640 135819388 4294956160 18446744073709551615 134587851 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 1432 1184 148 319 0 1110 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5728

[startup+0.701672 s]
/proc/loadavg: 1.91 1.93 1.68 3/70 21639
/proc/meminfo: memFree=1795176/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=5728 CPUtime=0.69
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 1277 0 0 0 69 0 0 0 22 0 1 0 1149658025 5865472 1207 1992294400 134512640 135819388 4294956160 18446744073709551615 134617610 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 1432 1207 148 319 0 1110 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5728

[startup+1.50175 s]
/proc/loadavg: 1.91 1.93 1.68 2/71 21640
/proc/meminfo: memFree=1790816/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=5972 CPUtime=1.49
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 1321 0 0 0 148 1 0 0 25 0 1 0 1149658025 6115328 1251 1992294400 134512640 135819388 4294956160 18446744073709551615 134669055 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 1493 1251 148 319 0 1171 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5972

[startup+3.10191 s]
/proc/loadavg: 1.91 1.93 1.68 2/71 21640
/proc/meminfo: memFree=1790432/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=6340 CPUtime=3.09
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 1402 0 0 0 308 1 0 0 25 0 1 0 1149658025 6492160 1332 1992294400 134512640 135819388 4294956160 18446744073709551615 134617242 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 1585 1332 148 319 0 1263 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6340

[startup+6.30123 s]
/proc/loadavg: 1.84 1.92 1.67 2/71 21640
/proc/meminfo: memFree=1789600/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=7092 CPUtime=6.29
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 1592 0 0 0 628 1 0 0 25 0 1 0 1149658025 7262208 1522 1992294400 134512640 135819388 4294956160 18446744073709551615 134616713 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 1773 1522 148 319 0 1451 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7092

[startup+12.7019 s]
/proc/loadavg: 1.77 1.90 1.67 2/71 21640
/proc/meminfo: memFree=1788192/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=8620 CPUtime=12.68
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 1970 0 0 0 1267 1 0 0 25 0 1 0 1149658025 8826880 1900 1992294400 134512640 135819388 4294956160 18446744073709551615 134617554 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 2155 1900 148 319 0 1833 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8620

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

[startup+12.8019 s]
/proc/loadavg: 1.77 1.90 1.67 2/71 21640
/proc/meminfo: memFree=1788192/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=8620 CPUtime=12.78
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 1984 0 0 0 1277 1 0 0 25 0 1 0 1149658025 8826880 1914 1992294400 134512640 135819388 4294956160 18446744073709551615 134617610 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 2155 1914 148 319 0 1833 0
Current children cumulated CPU time (s) 12.78
Current children cumulated vsize (KiB) 8620

[startup+13.0019 s]
/proc/loadavg: 1.77 1.90 1.67 2/71 21640
/proc/meminfo: memFree=1788192/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=8748 CPUtime=12.98
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 2019 0 0 0 1297 1 0 0 25 0 1 0 1149658025 8957952 1949 1992294400 134512640 135819388 4294956160 18446744073709551615 134669019 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 2187 1949 148 319 0 1865 0
Current children cumulated CPU time (s) 12.98
Current children cumulated vsize (KiB) 8748

[startup+13.1019 s]
/proc/loadavg: 1.77 1.90 1.67 2/71 21640
/proc/meminfo: memFree=1788192/2055920 swapFree=4173176/4192956
[pid=21639] ppid=21637 vsize=8872 CPUtime=13.08
/proc/21639/stat : 21639 (hydrasat-flat) R 21637 21639 21485 0 -1 4194304 2039 0 0 0 1307 1 0 0 25 0 1 0 1149658025 9084928 1969 1992294400 134512640 135819388 4294956160 18446744073709551615 134668585 0 0 4096 1 0 0 0 17 1 0 0
/proc/21639/statm: 2218 1969 148 319 0 1896 0
Current children cumulated CPU time (s) 13.08
Current children cumulated vsize (KiB) 8872

Child status: 10
Real time (s): 13.1615
CPU time (s): 13.157
CPU user time (s): 13.137
CPU system time (s): 0.019996
CPU usage (%): 99.966
Max. virtual memory (cumulated for all children) (KiB): 8872

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.137
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2049
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= 20

runsolver used 0.017997 second user time and 0.039993 second system time

The end

Launcher Data 

Begin job on node36 at 2009-04-03 16:45:48
IDJOB=1562006
IDBENCH=70926
IDSOLVER=519
FILE ID=node36/1562006-1238769948
PBS_JOBID= 9085522
Free space on /tmp= 66556 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_3_6_all.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562006-1238769948/watcher-1562006-1238769948 -o /tmp/evaluation-result-1562006-1238769948/solver-1562006-1238769948 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1562006-1238769948.cnf -rs 126462518 -co memory_limit 1800

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

MD5SUM BENCH= 3264a66e18d5550049c950d1156ee464
RANDOM SEED=126462518

node36.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		: 3000.214
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		: 3000.214
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:       1795656 kB
Buffers:         48644 kB
Cached:         133424 kB
SwapCached:       9148 kB
Active:          58240 kB
Inactive:       134512 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1795656 kB
SwapTotal:     4192956 kB
SwapFree:      4173176 kB
Dirty:            1752 kB
Writeback:           0 kB
Mapped:          16372 kB
Slab:            52884 kB
Committed_AS:  3340792 kB
PageTables:       1876 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= 66552 MiB
End job on node36 at 2009-04-03 16:46:01