Trace number 1783165

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 0.25696 0.257319

General information on the benchmark

NameRANDOM/MEDIUM/5SAT/SATISFIABLE/100/
unif-k5-r21.3-v100-c2130-S1772254584-042.cnf
MD5SUMf204ae5b9db3d0db644045bd9b064e28
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.028995
Satisfiable
(Un)Satisfiability was proved
Number of variables100
Number of clauses2130
Sum of the clauses size10650
Maximum clause length5
Minimum clause length5
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 52130
Number of clauses of size over 50

Solver Data 

0.09/0.13	c +------------------------------+
0.09/0.13	c | gNovelty+, version 1.0       |
0.09/0.13	c +------------------------------+
0.09/0.13	c gnovelty+ -h for help
0.09/0.13	c 
0.19/0.24	s SATISFIABLE
0.19/0.24	v -1 -2 3 -4 5 6 -7 -8 9 10 -11 -12 13 14 -15 -16 17 -18 -19 20 21 -22 23 24 25 26 27 -28 -29 30 -31 32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 46 47 -48 49 -50 51 -52 53 54 -55 -56 57 58 -59 60 61 -62 -63 -64 65 -66 -67 68 -69 -70 71 72 73 74 75 -76 77 78 -79 -80 -81 82 -83 84 -85 86 87 -88 -89 90 91 92 -93 94 95 96 -97 98 99 -100 0
0.19/0.24	c Done in 0.100000 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-1783165-1241721637/watcher-1783165-1241721637 -o /tmp/evaluation-result-1783165-1241721637/solver-1783165-1241721637 -C 5000 -W 6000 -M 1800 HOME/gnovelty+ HOME/instance-1783165-1241721637.cnf 1439289829 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: 0.91 0.98 0.99 3/64 22392
/proc/meminfo: memFree=1726864/2055920 swapFree=4180356/4192956
[pid=22392] ppid=22390 vsize=509152 CPUtime=0
/proc/22392/stat : 22392 (gnovelty+) R 22390 22392 22290 0 -1 4194304 1008 0 0 0 0 0 0 0 18 0 1 0 200198403 521371648 993 1992294400 134512640 135680988 4294956208 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/22392/statm: 127288 1000 102 285 0 127000 0

[startup+0.0597549 s]
/proc/loadavg: 0.91 0.98 0.99 3/64 22392
/proc/meminfo: memFree=1726864/2055920 swapFree=4180356/4192956
[pid=22392] ppid=22390 vsize=516964 CPUtime=0.05
/proc/22392/stat : 22392 (gnovelty+) R 22390 22392 22290 0 -1 4194304 10556 0 0 0 1 4 0 0 18 0 1 0 200198403 529371136 10540 1992294400 134512640 135680988 4294956208 18446744073709551615 134537708 0 0 4096 0 0 0 0 17 1 0 0
/proc/22392/statm: 129241 10544 102 285 0 128953 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 516964

[startup+0.101762 s]
/proc/loadavg: 0.91 0.98 0.99 3/64 22392
/proc/meminfo: memFree=1726864/2055920 swapFree=4180356/4192956
[pid=22392] ppid=22390 vsize=516964 CPUtime=0.09
/proc/22392/stat : 22392 (gnovelty+) R 22390 22392 22290 0 -1 4194304 15622 0 0 0 3 6 0 0 18 0 1 0 200198403 529371136 15606 1992294400 134512640 135680988 4294956208 18446744073709551615 134537968 0 0 4096 0 0 0 0 17 1 0 0
/proc/22392/statm: 129241 15610 102 285 0 128953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 516964

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

[startup+0.201782 s]
/proc/loadavg: 0.91 0.98 0.99 3/64 22392
/proc/meminfo: memFree=1726864/2055920 swapFree=4180356/4192956
[pid=22392] ppid=22390 vsize=517944 CPUtime=0.19
/proc/22392/stat : 22392 (gnovelty+) R 22390 22392 22290 0 -1 4194304 19720 0 0 0 12 7 0 0 18 0 1 0 200198403 530374656 19704 1992294400 134512640 135680988 4294956208 18446744073709551615 134535179 0 0 4096 0 0 0 0 17 1 0 0
/proc/22392/statm: 129486 19704 104 285 0 129198 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 517944

Child status: 10
Real time (s): 0.257319
CPU time (s): 0.25696
CPU user time (s): 0.167974
CPU system time (s): 0.088986
CPU usage (%): 99.8605
Max. virtual memory (cumulated for all children) (KiB): 517944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.167974
system time used= 0.088986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19735
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= 0

runsolver used 0.001999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node1 at 2009-05-07 20:40:37
IDJOB=1783165
IDBENCH=70437
IDSOLVER=636
FILE ID=node1/1783165-1241721637
PBS_JOBID= 9264395
Free space on /tmp= 66256 MiB

SOLVER NAME= gNovelty+-T 2009-03-22
BENCH NAME= SAT09/RANDOM/MEDIUM/5SAT/SATISFIABLE/100/unif-k5-r21.3-v100-c2130-S1772254584-042.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1783165-1241721637/watcher-1783165-1241721637 -o /tmp/evaluation-result-1783165-1241721637/solver-1783165-1241721637 -C 5000 -W 6000 -M 1800  HOME/gnovelty+ HOME/instance-1783165-1241721637.cnf 1439289829 0

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

MD5SUM BENCH= f204ae5b9db3d0db644045bd9b064e28
RANDOM SEED=1439289829

node1.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		: 3000.259
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	: 5931.00
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		: 3000.259
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:       1727344 kB
Buffers:         16396 kB
Cached:         246936 kB
SwapCached:       6356 kB
Active:          14160 kB
Inactive:       257044 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1727344 kB
SwapTotal:     4192956 kB
SwapFree:      4180356 kB
Dirty:            1452 kB
Writeback:           0 kB
Mapped:          13568 kB
Slab:            43364 kB
Committed_AS:   761352 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= 66256 MiB
End job on node1 at 2009-05-07 20:40:37