Trace number 1783069

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
gNovelty+-T 2009-03-22SAT 2.91755 2.91779

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/4000/
unif-k3-r4.2-v4000-c16800-S568017735-066.cnf
MD5SUMac6625145d68efca76f59e4cfc6c820e
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.727888
Satisfiable
(Un)Satisfiability was proved
Number of variables4000
Number of clauses16800
Sum of the clauses size50400
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 316800
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

0.09/0.18	c +------------------------------+
0.09/0.18	c | gNovelty+, version 1.0       |
0.09/0.18	c +------------------------------+
0.09/0.18	c gnovelty+ -h for help
0.09/0.18	c 
2.89/2.90	s SATISFIABLE
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2.89/2.90	c Done in 2.710000 seconds

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-1783069-1241720163/watcher-1783069-1241720163 -o /tmp/evaluation-result-1783069-1241720163/solver-1783069-1241720163 -C 5000 -W 6000 -M 1800 HOME/gnovelty+ HOME/instance-1783069-1241720163.cnf 678743898 0 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.97 0.91 3/64 22750
/proc/meminfo: memFree=1584600/2055920 swapFree=4179768/4192956
[pid=22750] ppid=22748 vsize=509152 CPUtime=0
/proc/22750/stat : 22750 (gnovelty+) R 22748 22750 22624 0 -1 4194304 1032 0 0 0 0 0 0 0 18 0 1 0 200044145 521371648 1017 1992294400 134512640 135680988 4294956208 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/22750/statm: 127288 1025 102 285 0 127000 0

[startup+0.086285 s]
/proc/loadavg: 0.99 0.97 0.91 3/64 22750
/proc/meminfo: memFree=1584600/2055920 swapFree=4179768/4192956
[pid=22750] ppid=22748 vsize=516964 CPUtime=0.08
/proc/22750/stat : 22750 (gnovelty+) R 22748 22750 22624 0 -1 4194304 10909 0 0 0 4 4 0 0 18 0 1 0 200044145 529371136 10894 1992294400 134512640 135680988 4294956208 18446744073709551615 134537968 0 0 4096 0 0 0 0 17 1 0 0
/proc/22750/statm: 129241 10898 102 285 0 128953 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 516964

[startup+0.101284 s]
/proc/loadavg: 0.99 0.97 0.91 3/64 22750
/proc/meminfo: memFree=1584600/2055920 swapFree=4179768/4192956
[pid=22750] ppid=22748 vsize=516964 CPUtime=0.09
/proc/22750/stat : 22750 (gnovelty+) R 22748 22750 22624 0 -1 4194304 12711 0 0 0 4 5 0 0 18 0 1 0 200044145 529371136 12695 1992294400 134512640 135680988 4294956208 18446744073709551615 134537905 0 0 4096 0 0 0 0 17 1 0 0
/proc/22750/statm: 129241 12699 102 285 0 128953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 516964

[startup+0.301305 s]
/proc/loadavg: 0.99 0.97 0.91 3/64 22750
/proc/meminfo: memFree=1584600/2055920 swapFree=4179768/4192956
[pid=22750] ppid=22748 vsize=518576 CPUtime=0.29
/proc/22750/stat : 22750 (gnovelty+) R 22748 22750 22624 0 -1 4194304 20046 0 0 0 21 8 0 0 20 0 1 0 200044145 531021824 20030 1992294400 134512640 135680988 4294956208 18446744073709551615 134545651 0 0 4096 0 0 0 0 17 1 0 0
/proc/22750/statm: 129644 20030 104 285 0 129356 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 518576

[startup+0.701345 s]
/proc/loadavg: 0.99 0.97 0.91 3/64 22750
/proc/meminfo: memFree=1584600/2055920 swapFree=4179768/4192956
[pid=22750] ppid=22748 vsize=518576 CPUtime=0.69
/proc/22750/stat : 22750 (gnovelty+) R 22748 22750 22624 0 -1 4194304 20046 0 0 0 61 8 0 0 23 0 1 0 200044145 531021824 20030 1992294400 134512640 135680988 4294956208 18446744073709551615 134545630 0 0 4096 0 0 0 0 17 1 0 0
/proc/22750/statm: 129644 20030 104 285 0 129356 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 518576

[startup+1.50143 s]
/proc/loadavg: 0.99 0.97 0.91 2/65 22751
/proc/meminfo: memFree=1504656/2055920 swapFree=4179768/4192956
[pid=22750] ppid=22748 vsize=518576 CPUtime=1.49
/proc/22750/stat : 22750 (gnovelty+) R 22748 22750 22624 0 -1 4194304 20046 0 0 0 141 8 0 0 25 0 1 0 200044145 531021824 20030 1992294400 134512640 135680988 4294956208 18446744073709551615 134533981 0 0 4096 0 0 0 0 17 1 0 0
/proc/22750/statm: 129644 20030 104 285 0 129356 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 518576

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

[startup+2.30251 s]
/proc/loadavg: 0.99 0.97 0.91 2/65 22751
/proc/meminfo: memFree=1504528/2055920 swapFree=4179768/4192956
[pid=22750] ppid=22748 vsize=518576 CPUtime=2.29
/proc/22750/stat : 22750 (gnovelty+) R 22748 22750 22624 0 -1 4194304 20046 0 0 0 221 8 0 0 25 0 1 0 200044145 531021824 20030 1992294400 134512640 135680988 4294956208 18446744073709551615 134534576 0 0 4096 0 0 0 0 17 1 0 0
/proc/22750/statm: 129644 20030 104 285 0 129356 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 518576

[startup+2.70256 s]
/proc/loadavg: 0.99 0.97 0.91 2/65 22751
/proc/meminfo: memFree=1504528/2055920 swapFree=4179768/4192956
[pid=22750] ppid=22748 vsize=518576 CPUtime=2.69
/proc/22750/stat : 22750 (gnovelty+) R 22748 22750 22624 0 -1 4194304 20046 0 0 0 261 8 0 0 25 0 1 0 200044145 531021824 20030 1992294400 134512640 135680988 4294956208 18446744073709551615 134545720 0 0 4096 0 0 0 0 17 1 0 0
/proc/22750/statm: 129644 20030 104 285 0 129356 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 518576

[startup+2.90157 s]
/proc/loadavg: 0.99 0.97 0.91 2/65 22751
/proc/meminfo: memFree=1504528/2055920 swapFree=4179768/4192956
[pid=22750] ppid=22748 vsize=518576 CPUtime=2.89
/proc/22750/stat : 22750 (gnovelty+) R 22748 22750 22624 0 -1 4194304 20046 0 0 0 281 8 0 0 25 0 1 0 200044145 531021824 20030 1992294400 134512640 135680988 4294956208 18446744073709551615 134533830 0 0 4096 0 0 0 0 17 1 0 0
/proc/22750/statm: 129644 20030 104 285 0 129356 0
Current children cumulated CPU time (s) 2.89
Current children cumulated vsize (KiB) 518576

Child status: 10
Real time (s): 2.91779
CPU time (s): 2.91755
CPU user time (s): 2.81857
CPU system time (s): 0.098984
CPU usage (%): 99.9919
Max. virtual memory (cumulated for all children) (KiB): 518576

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.81857
system time used= 0.098984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20064
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= 8

runsolver used 0.004999 second user time and 0.013997 second system time

The end

Launcher Data

Begin job on node45 at 2009-05-07 20:16:03
IDJOB=1783069
IDBENCH=70341
IDSOLVER=636
FILE ID=node45/1783069-1241720163
PBS_JOBID= 9264354
Free space on /tmp= 66196 MiB

SOLVER NAME= gNovelty+-T 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/4000/unif-k3-r4.2-v4000-c16800-S568017735-066.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1783069-1241720163/watcher-1783069-1241720163 -o /tmp/evaluation-result-1783069-1241720163/solver-1783069-1241720163 -C 5000 -W 6000 -M 1800  HOME/gnovelty+ HOME/instance-1783069-1241720163.cnf 678743898 0

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= ac6625145d68efca76f59e4cfc6c820e
RANDOM SEED=678743898

node45.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		: 3000.231
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		: 3000.231
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:       1585016 kB
Buffers:         21900 kB
Cached:         384660 kB
SwapCached:       6948 kB
Active:          67544 kB
Inactive:       347364 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1585016 kB
SwapTotal:     4192956 kB
SwapFree:      4179768 kB
Dirty:            1804 kB
Writeback:           0 kB
Mapped:          14032 kB
Slab:            42080 kB
Committed_AS:   720684 kB
PageTables:       1376 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= 66192 MiB
End job on node45 at 2009-05-07 20:16:06