Trace number 1725679

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 2009-03-22-BaseSAT 3.64245 3.64425

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.38479
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data 

3.59/3.64	
3.59/3.64	c decisions : 63308
3.59/3.64	c conflicts : 27586
3.59/3.64	c Memory limit 1620 MiB
3.59/3.64	c RANDOM SEED: 933007395
3.59/3.64	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-1725679-1240706149/watcher-1725679-1240706149 -o /tmp/evaluation-result-1725679-1240706149/solver-1725679-1240706149 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat HOME/instance-1725679-1240706149.cnf -rs 933007395 -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: 0.92 0.98 0.99 3/64 19185
/proc/meminfo: memFree=1498648/2055920 swapFree=4192956/4192956
[pid=19185] ppid=19183 vsize=1768 CPUtime=0
/proc/19185/stat : 19185 (hydrasat) R 19183 19185 19148 0 -1 4194304 207 0 0 0 0 0 0 0 18 0 1 0 98648852 1810432 191 1992294400 134512640 135997824 4294956176 18446744073709551615 134616174 0 0 4096 1 0 0 0 17 1 0 0
/proc/19185/statm: 442 192 151 362 0 77 0

[startup+0.050677 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 19185
/proc/meminfo: memFree=1498648/2055920 swapFree=4192956/4192956
[pid=19185] ppid=19183 vsize=2692 CPUtime=0.04
/proc/19185/stat : 19185 (hydrasat) R 19183 19185 19148 0 -1 4194304 458 0 0 0 4 0 0 0 18 0 1 0 98648852 2756608 442 1992294400 134512640 135997824 4294956176 18446744073709551615 134513653 0 0 4096 1 0 0 0 17 1 0 0
/proc/19185/statm: 673 443 151 362 0 308 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2692

[startup+0.101681 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 19185
/proc/meminfo: memFree=1498648/2055920 swapFree=4192956/4192956
[pid=19185] ppid=19183 vsize=3800 CPUtime=0.09
/proc/19185/stat : 19185 (hydrasat) R 19183 19185 19148 0 -1 4194304 745 0 0 0 9 0 0 0 18 0 1 0 98648852 3891200 729 1992294400 134512640 135997824 4294956176 18446744073709551615 134695407 0 0 4096 1 0 0 0 17 1 0 0
/proc/19185/statm: 950 729 158 362 0 585 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3800

[startup+0.301704 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 19185
/proc/meminfo: memFree=1498648/2055920 swapFree=4192956/4192956
[pid=19185] ppid=19183 vsize=4296 CPUtime=0.29
/proc/19185/stat : 19185 (hydrasat) R 19183 19185 19148 0 -1 4194304 868 0 0 0 29 0 0 0 19 0 1 0 98648852 4399104 851 1992294400 134512640 135997824 4294956176 18446744073709551615 135367658 0 0 4096 1 0 0 0 17 1 0 0
/proc/19185/statm: 1074 851 174 362 0 709 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4296

[startup+0.701749 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 19185
/proc/meminfo: memFree=1498648/2055920 swapFree=4192956/4192956
[pid=19185] ppid=19183 vsize=4552 CPUtime=0.69
/proc/19185/stat : 19185 (hydrasat) R 19183 19185 19148 0 -1 4194304 931 0 0 0 69 0 0 0 22 0 1 0 98648852 4661248 914 1992294400 134512640 135997824 4294956176 18446744073709551615 134757281 0 0 4096 1 0 0 0 17 1 0 0
/proc/19185/statm: 1138 914 174 362 0 773 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4552

[startup+1.50184 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 19186
/proc/meminfo: memFree=1495632/2055920 swapFree=4192956/4192956
[pid=19185] ppid=19183 vsize=4816 CPUtime=1.49
/proc/19185/stat : 19185 (hydrasat) R 19183 19185 19148 0 -1 4194304 1003 0 0 0 149 0 0 0 25 0 1 0 98648852 4931584 986 1992294400 134512640 135997824 4294956176 18446744073709551615 134757767 0 0 4096 1 0 0 0 17 1 0 0
/proc/19185/statm: 1204 986 174 362 0 839 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4816

[startup+3.10202 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 19186
/proc/meminfo: memFree=1494992/2055920 swapFree=4192956/4192956
[pid=19185] ppid=19183 vsize=5364 CPUtime=3.09
/proc/19185/stat : 19185 (hydrasat) R 19183 19185 19148 0 -1 4194304 1147 0 0 0 309 0 0 0 25 0 1 0 98648852 5492736 1130 1992294400 134512640 135997824 4294956176 18446744073709551615 134757283 0 0 4096 1 0 0 0 17 1 0 0
/proc/19185/statm: 1341 1130 174 362 0 976 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5364

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

[startup+3.50106 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 19186
/proc/meminfo: memFree=1494672/2055920 swapFree=4192956/4192956
[pid=19185] ppid=19183 vsize=5492 CPUtime=3.49
/proc/19185/stat : 19185 (hydrasat) R 19183 19185 19148 0 -1 4194304 1178 0 0 0 349 0 0 0 25 0 1 0 98648852 5623808 1161 1992294400 134512640 135997824 4294956176 18446744073709551615 134758026 0 0 4096 1 0 0 0 17 1 0 0
/proc/19185/statm: 1373 1161 174 362 0 1008 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 5492

[startup+3.60107 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 19186
/proc/meminfo: memFree=1494672/2055920 swapFree=4192956/4192956
[pid=19185] ppid=19183 vsize=5624 CPUtime=3.59
/proc/19185/stat : 19185 (hydrasat) R 19183 19185 19148 0 -1 4194304 1180 0 0 0 359 0 0 0 25 0 1 0 98648852 5758976 1163 1992294400 134512640 135997824 4294956176 18446744073709551615 134757809 0 0 4096 1 0 0 0 17 1 0 0
/proc/19185/statm: 1406 1163 174 362 0 1041 0
Current children cumulated CPU time (s) 3.59
Current children cumulated vsize (KiB) 5624

Child status: 10
Real time (s): 3.64425
CPU time (s): 3.64245
CPU user time (s): 3.63645
CPU system time (s): 0.005999
CPU usage (%): 99.9504
Max. virtual memory (cumulated for all children) (KiB): 5624

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.63645
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= 1196
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 0.003999 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node5 at 2009-04-26 02:35:49
IDJOB=1725679
IDBENCH=24595
IDSOLVER=520
FILE ID=node5/1725679-1240706149
PBS_JOBID= 9186823
Free space on /tmp= 66340 MiB

SOLVER NAME= HydraSAT 2009-03-22-Base
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= DIR/hydrasat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725679-1240706149/watcher-1725679-1240706149 -o /tmp/evaluation-result-1725679-1240706149/solver-1725679-1240706149 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat HOME/instance-1725679-1240706149.cnf -rs 933007395 -co memory_limit 1800

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=933007395

node5.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		: 3000.212
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		: 3000.212
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:       1499128 kB
Buffers:         65080 kB
Cached:         407792 kB
SwapCached:          0 kB
Active:         126044 kB
Inactive:       360652 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1499128 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2424 kB
Writeback:           0 kB
Mapped:          23540 kB
Slab:            56120 kB
Committed_AS:   347484 kB
PageTables:       1388 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= 66340 MiB
End job on node5 at 2009-04-26 02:35:53