Trace number 1725731

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 8.91864 8.92245

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.76073
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

Solver Data 

8.89/8.92	
8.89/8.92	c decisions : 121226
8.89/8.92	c conflicts : 50604
8.89/8.92	c Memory limit 1620 MiB
8.89/8.92	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-1725731-1240706350/watcher-1725731-1240706350 -o /tmp/evaluation-result-1725731-1240706350/solver-1725731-1240706350 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1725731-1240706350.cnf -rs 288092333 -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: 1.30 1.74 1.60 3/64 18372
/proc/meminfo: memFree=1670712/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=1596 CPUtime=0
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 179 0 0 0 0 0 0 0 18 0 1 0 98661255 1634304 163 1992294400 134512640 135819388 4294956176 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 399 163 119 319 0 77 0

[startup+0.0256029 s]
/proc/loadavg: 1.30 1.74 1.60 3/64 18372
/proc/meminfo: memFree=1670712/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=2124 CPUtime=0.02
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 315 0 0 0 2 0 0 0 18 0 1 0 98661255 2174976 299 1992294400 134512640 135819388 4294956176 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 531 300 119 319 0 209 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2124

[startup+0.101617 s]
/proc/loadavg: 1.30 1.74 1.60 3/64 18372
/proc/meminfo: memFree=1670712/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=3772 CPUtime=0.09
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 728 0 0 0 9 0 0 0 18 0 1 0 98661255 3862528 712 1992294400 134512640 135819388 4294956176 18446744073709551615 134681652 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 943 712 127 319 0 621 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3772

[startup+0.301652 s]
/proc/loadavg: 1.30 1.74 1.60 3/64 18372
/proc/meminfo: memFree=1670712/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=4180 CPUtime=0.29
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 863 0 0 0 29 0 0 0 19 0 1 0 98661255 4280320 846 1992294400 134512640 135819388 4294956176 18446744073709551615 135227040 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 1045 846 147 319 0 723 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4180

[startup+0.701724 s]
/proc/loadavg: 1.30 1.74 1.60 3/64 18372
/proc/meminfo: memFree=1670712/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=4440 CPUtime=0.69
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 924 0 0 0 69 0 0 0 22 0 1 0 98661255 4546560 907 1992294400 134512640 135819388 4294956176 18446744073709551615 134616780 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 1110 907 147 319 0 788 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4440

[startup+1.50187 s]
/proc/loadavg: 1.30 1.74 1.60 2/65 18373
/proc/meminfo: memFree=1667504/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=4840 CPUtime=1.49
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 1019 0 0 0 149 0 0 0 25 0 1 0 98661255 4956160 1002 1992294400 134512640 135819388 4294956176 18446744073709551615 134616849 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 1210 1002 147 319 0 888 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4840

[startup+3.10116 s]
/proc/loadavg: 1.27 1.72 1.60 2/65 18373
/proc/meminfo: memFree=1666736/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=5780 CPUtime=3.09
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 1239 0 0 0 309 0 0 0 25 0 1 0 98661255 5918720 1222 1992294400 134512640 135819388 4294956176 18446744073709551615 134617577 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 1445 1222 147 319 0 1123 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5780

[startup+6.30174 s]
/proc/loadavg: 1.27 1.72 1.60 2/65 18373
/proc/meminfo: memFree=1665264/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=6964 CPUtime=6.28
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 1538 0 0 0 628 0 0 0 25 0 1 0 98661255 7131136 1521 1992294400 134512640 135819388 4294956176 18446744073709551615 134617580 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 1741 1521 147 319 0 1419 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 6964

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

[startup+7.90203 s]
/proc/loadavg: 1.25 1.71 1.60 2/65 18373
/proc/meminfo: memFree=1664688/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=7484 CPUtime=7.89
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 1648 0 0 0 788 1 0 0 25 0 1 0 98661255 7663616 1631 1992294400 134512640 135819388 4294956176 18446744073709551615 134617707 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 1871 1631 147 319 0 1549 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 7484

[startup+8.70118 s]
/proc/loadavg: 1.25 1.71 1.60 2/65 18373
/proc/meminfo: memFree=1664368/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=7620 CPUtime=8.69
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 1705 0 0 0 868 1 0 0 25 0 1 0 98661255 7802880 1688 1992294400 134512640 135819388 4294956176 18446744073709551615 134616815 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 1905 1688 147 319 0 1583 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 7620

[startup+8.90121 s]
/proc/loadavg: 1.25 1.71 1.60 2/65 18373
/proc/meminfo: memFree=1664368/2055920 swapFree=4181432/4192956
[pid=18372] ppid=18370 vsize=7768 CPUtime=8.89
/proc/18372/stat : 18372 (hydrasat-flat) R 18370 18372 18248 0 -1 4194304 1714 0 0 0 888 1 0 0 25 0 1 0 98661255 7954432 1697 1992294400 134512640 135819388 4294956176 18446744073709551615 134617042 0 0 4096 1 0 0 0 17 1 0 0
/proc/18372/statm: 1942 1697 147 319 0 1620 0
Current children cumulated CPU time (s) 8.89
Current children cumulated vsize (KiB) 7768

Child status: 10
Real time (s): 8.92245
CPU time (s): 8.91864
CPU user time (s): 8.90465
CPU system time (s): 0.013997
CPU usage (%): 99.9573
Max. virtual memory (cumulated for all children) (KiB): 7768

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.90465
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1733
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= 30

runsolver used 0.006998 second user time and 0.026995 second system time

The end

Launcher Data 

Begin job on node67 at 2009-04-26 02:39:10
IDJOB=1725731
IDBENCH=24597
IDSOLVER=519
FILE ID=node67/1725731-1240706350
PBS_JOBID= 9186827
Free space on /tmp= 66304 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725731-1240706350/watcher-1725731-1240706350 -o /tmp/evaluation-result-1725731-1240706350/solver-1725731-1240706350 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1725731-1240706350.cnf -rs 288092333 -co memory_limit 1800

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

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=288092333

node67.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		: 3000.277
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		: 3000.277
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:       1671128 kB
Buffers:         40328 kB
Cached:         276420 kB
SwapCached:       5368 kB
Active:          95920 kB
Inactive:       228720 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1671128 kB
SwapTotal:     4192956 kB
SwapFree:      4181432 kB
Dirty:            2256 kB
Writeback:           0 kB
Mapped:          13556 kB
Slab:            46132 kB
Committed_AS:   367236 kB
PageTables:       1436 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= 66300 MiB
End job on node67 at 2009-04-26 02:39:19