Trace number 1736660

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 2.82357 2.82464

General information on the benchmark

NameCRAFTED/parity-games/
instance_n5_i5_pp.cnf
MD5SUM4cb9a7a38406e1e274285b953fde9d8b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.181971
Satisfiable
(Un)Satisfiability was proved
Number of variables3655
Number of clauses26264
Sum of the clauses size84840
Maximum clause length20
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 25890
Number of clauses of size 311155
Number of clauses of size 46635
Number of clauses of size 52505
Number of clauses of size over 579

Solver Data

2.79/2.82	
2.79/2.82	c decisions : 32181
2.79/2.82	c conflicts : 12498
2.79/2.82	c Memory limit 1620 MiB
2.79/2.82	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-1736660-1240812517/watcher-1736660-1240812517 -o /tmp/evaluation-result-1736660-1240812517/solver-1736660-1240812517 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1736660-1240812517.cnf -rs 1054812653 -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: 1.01 1.12 1.07 3/64 15351
/proc/meminfo: memFree=1554584/2055920 swapFree=4181760/4192956
[pid=15351] ppid=15349 vsize=1600 CPUtime=0
/proc/15351/stat : 15351 (hydrasat-flat) R 15349 15351 15041 0 -1 4194304 186 0 0 0 0 0 0 0 18 0 1 0 109278604 1638400 170 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/15351/statm: 400 171 119 319 0 78 0

[startup+0.0507389 s]
/proc/loadavg: 1.01 1.12 1.07 3/64 15351
/proc/meminfo: memFree=1554584/2055920 swapFree=4181760/4192956
[pid=15351] ppid=15349 vsize=3476 CPUtime=0.04
/proc/15351/stat : 15351 (hydrasat-flat) R 15349 15351 15041 0 -1 4194304 674 0 0 0 4 0 0 0 18 0 1 0 109278604 3559424 658 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/15351/statm: 869 659 125 319 0 547 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3476

[startup+0.101742 s]
/proc/loadavg: 1.01 1.12 1.07 3/64 15351
/proc/meminfo: memFree=1554584/2055920 swapFree=4181760/4192956
[pid=15351] ppid=15349 vsize=4228 CPUtime=0.09
/proc/15351/stat : 15351 (hydrasat-flat) R 15349 15351 15041 0 -1 4194304 833 0 0 0 9 0 0 0 18 0 1 0 109278604 4329472 817 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/15351/statm: 1057 817 128 319 0 735 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4228

[startup+0.301765 s]
/proc/loadavg: 1.01 1.12 1.07 3/64 15351
/proc/meminfo: memFree=1554584/2055920 swapFree=4181760/4192956
[pid=15351] ppid=15349 vsize=5620 CPUtime=0.29
/proc/15351/stat : 15351 (hydrasat-flat) R 15349 15351 15041 0 -1 4194304 1221 0 0 0 29 0 0 0 19 0 1 0 109278604 5754880 1204 1992294400 134512640 135819388 4294956160 18446744073709551615 134615671 0 0 4096 1 0 0 0 17 1 0 0
/proc/15351/statm: 1405 1204 147 319 0 1083 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5620

[startup+0.701807 s]
/proc/loadavg: 1.01 1.12 1.07 3/64 15351
/proc/meminfo: memFree=1554584/2055920 swapFree=4181760/4192956
[pid=15351] ppid=15349 vsize=5876 CPUtime=0.69
/proc/15351/stat : 15351 (hydrasat-flat) R 15349 15351 15041 0 -1 4194304 1256 0 0 0 69 0 0 0 22 0 1 0 109278604 6017024 1239 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/15351/statm: 1469 1239 147 319 0 1147 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5876

[startup+1.50189 s]
/proc/loadavg: 1.01 1.12 1.07 2/65 15352
/proc/meminfo: memFree=1550096/2055920 swapFree=4181760/4192956
[pid=15351] ppid=15349 vsize=6004 CPUtime=1.49
/proc/15351/stat : 15351 (hydrasat-flat) R 15349 15351 15041 0 -1 4194304 1296 0 0 0 149 0 0 0 25 0 1 0 109278604 6148096 1279 1992294400 134512640 135819388 4294956160 18446744073709551615 134617232 0 0 4096 1 0 0 0 17 1 0 0
/proc/15351/statm: 1501 1279 147 319 0 1179 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6004

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

[startup+2.30198 s]
/proc/loadavg: 1.01 1.12 1.07 2/65 15352
/proc/meminfo: memFree=1549776/2055920 swapFree=4181760/4192956
[pid=15351] ppid=15349 vsize=6128 CPUtime=2.29
/proc/15351/stat : 15351 (hydrasat-flat) R 15349 15351 15041 0 -1 4194304 1328 0 0 0 229 0 0 0 25 0 1 0 109278604 6275072 1311 1992294400 134512640 135819388 4294956160 18446744073709551615 134672007 0 0 4096 1 0 0 0 17 1 0 0
/proc/15351/statm: 1532 1311 147 319 0 1210 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 6128

[startup+2.70103 s]
/proc/loadavg: 1.01 1.12 1.07 2/65 15352
/proc/meminfo: memFree=1549776/2055920 swapFree=4181760/4192956
[pid=15351] ppid=15349 vsize=6128 CPUtime=2.69
/proc/15351/stat : 15351 (hydrasat-flat) R 15349 15351 15041 0 -1 4194304 1338 0 0 0 269 0 0 0 25 0 1 0 109278604 6275072 1321 1992294400 134512640 135819388 4294956160 18446744073709551615 134603507 0 0 4096 1 0 0 0 17 1 0 0
/proc/15351/statm: 1532 1321 147 319 0 1210 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 6128

[startup+2.80104 s]
/proc/loadavg: 1.01 1.12 1.07 2/65 15352
/proc/meminfo: memFree=1549776/2055920 swapFree=4181760/4192956
[pid=15351] ppid=15349 vsize=6128 CPUtime=2.79
/proc/15351/stat : 15351 (hydrasat-flat) R 15349 15351 15041 0 -1 4194304 1343 0 0 0 279 0 0 0 25 0 1 0 109278604 6275072 1326 1992294400 134512640 135819388 4294956160 18446744073709551615 134603421 0 0 4096 1 0 0 0 17 1 0 0
/proc/15351/statm: 1532 1326 147 319 0 1210 0
Current children cumulated CPU time (s) 2.79
Current children cumulated vsize (KiB) 6128

Child status: 10
Real time (s): 2.82464
CPU time (s): 2.82357
CPU user time (s): 2.81757
CPU system time (s): 0.005999
CPU usage (%): 99.962
Max. virtual memory (cumulated for all children) (KiB): 6128

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.81757
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1358
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= 7

runsolver used 0.008998 second user time and 0.008998 second system time

The end

Launcher Data

Begin job on node64 at 2009-04-27 08:08:37
IDJOB=1736660
IDBENCH=71630
IDSOLVER=519
FILE ID=node64/1736660-1240812517
PBS_JOBID= 9187445
Free space on /tmp= 66124 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n5_i5_pp.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1736660-1240812517/watcher-1736660-1240812517 -o /tmp/evaluation-result-1736660-1240812517/solver-1736660-1240812517 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1736660-1240812517.cnf -rs 1054812653 -co memory_limit 1800

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

MD5SUM BENCH= 4cb9a7a38406e1e274285b953fde9d8b
RANDOM SEED=1054812653

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		: 3000.218
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		: 3000.218
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:       1555000 kB
Buffers:         58716 kB
Cached:         373964 kB
SwapCached:       4560 kB
Active:         231160 kB
Inactive:       211008 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1555000 kB
SwapTotal:     4192956 kB
SwapFree:      4181760 kB
Dirty:            1792 kB
Writeback:           0 kB
Mapped:          15660 kB
Slab:            44448 kB
Committed_AS:   364148 kB
PageTables:       1392 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= 66124 MiB
End job on node64 at 2009-04-27 08:08:40