Trace number 301145

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, and are wall clock time (not CPU 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
ranov 2007-02-08SAT 30.0814 30.0907

General information on the benchmark

Namerandom/LargeSize/5SAT/v600/
unif-k5-r20-v600-c12000-S883927618-10.cnf
MD5SUMf65bec0a86c887b34d745bc7beb4cebd
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark5.40318
Satisfiable
(Un)Satisfiability was proved
Number of variables600
Number of clauses12000
Sum of the clauses size60000
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 512000
Number of clauses of size over 50

Solver Data (download as text)

0.92/0.92	c +------------------------------+
0.92/0.92	c | R+AdaptNovelty+, version 1.5 |
0.92/0.92	c +------------------------------+
0.92/0.92	c ranov -h for help
0.92/0.92	c 
0.92/0.92	c Problem instance: numAtoms = 600, numClauses = 12000, numLiterals = 60000
0.92/0.92	c General parameters: seed=922647205, cutoff=100000, targetCost = 0, print solution: yes
0.92/0.92	c R+AdaptNovelty+ parameters: noise = 0, walkprob = 1
0.92/0.92	c tries = 1
0.92/0.92	c 
30.00/30.08	s SATISFIABLE
30.00/30.08	v -1
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30.00/30.08	v -5
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30.00/30.08	v 562
30.00/30.08	v 563
30.00/30.08	v -564
30.00/30.08	v -565
30.00/30.08	v 566
30.00/30.08	v 567
30.00/30.08	v -568
30.00/30.08	v -569
30.00/30.08	v -570
30.00/30.08	v -571
30.00/30.08	v -572
30.00/30.08	v -573
30.00/30.08	v -574
30.00/30.08	v 575
30.00/30.08	v 576
30.00/30.08	v 577
30.00/30.08	v 578
30.00/30.08	v 579
30.00/30.08	v -580
30.00/30.08	v 581
30.00/30.08	v -582
30.00/30.08	v 583
30.00/30.08	v -584
30.00/30.08	v -585
30.00/30.08	v 586
30.00/30.08	v 587
30.00/30.08	v 588
30.00/30.08	v -589
30.00/30.08	v -590
30.00/30.08	v 591
30.00/30.08	v -592
30.00/30.08	v 593
30.00/30.08	v -594
30.00/30.08	v 595
30.00/30.08	v -596
30.00/30.08	v -597
30.00/30.08	v 598
30.00/30.08	v -599
30.00/30.08	v 600
30.00/30.08	v 0
30.00/30.08	c Done in 29.150000 seconds

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node1/watcher-301145-1171954586 -o ROOT/results/node1/solver-301145-1171954586 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/301145-1171954586/ranov /tmp/evaluation/301145-1171954586/instance-301145-1171954586.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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 3/77 31061
/proc/meminfo: memFree=1589808/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=319884 CPUtime=0
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 891 0 0 0 0 0 0 0 18 0 1 0 215413685 327561216 876 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134528292 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 79971 883 30 98 0 79870 0

[startup+0.106683 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 31061
/proc/meminfo: memFree=1589808/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=320732 CPUtime=0.09
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 10100 0 0 0 6 3 0 0 18 0 1 0 215413685 328429568 10084 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134529696 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 80183 10084 39 98 0 80082 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 320732

[startup+0.51473 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 31061
/proc/meminfo: memFree=1589808/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=321012 CPUtime=0.5
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 10165 0 0 0 47 3 0 0 22 0 1 0 215413685 328716288 10149 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134523878 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 80253 10149 39 98 0 80152 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 321012

[startup+1.33483 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1540136/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=1.33
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 129 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513295 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 329232

[startup+2.97102 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1540008/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=2.96
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 292 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134514729 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 329232

[startup+6.25241 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1539880/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=6.24
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 620 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513816 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 329232

[startup+12.7052 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1539888/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=12.69
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 1265 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513285 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 329232

[startup+25.5097 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1539888/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=25.49
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 2545 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513285 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 329232

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

[startup+26.2278 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1539888/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=26.21
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 2617 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513774 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 26.21
Current children cumulated vsize (KiB) 329232

[startup+27.8639 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1539888/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=27.85
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 2781 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513498 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 27.85
Current children cumulated vsize (KiB) 329232

[startup+28.684 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1539888/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=28.67
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 2863 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513677 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 28.67
Current children cumulated vsize (KiB) 329232

[startup+29.5041 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1539888/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=29.49
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 2945 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513740 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 29.49
Current children cumulated vsize (KiB) 329232

[startup+29.9142 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1539888/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=29.9
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 2986 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513782 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 29.9
Current children cumulated vsize (KiB) 329232

[startup+30.0172 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31062
/proc/meminfo: memFree=1539888/2055920 swapFree=4158120/4192956
[pid=31061] ppid=31059 vsize=329232 CPUtime=30
/proc/31061/stat : 31061 (ranov) R 31059 31061 29942 0 -1 4194304 12417 0 0 0 2996 4 0 0 25 0 1 0 215413685 337133568 12401 18446744073709551615 134512640 134914624 4294956624 18446744073709551615 134513713 0 0 4096 0 0 0 0 17 1 0 0
/proc/31061/statm: 82308 12401 42 98 0 82207 0
Current children cumulated CPU time (s) 30
Current children cumulated vsize (KiB) 329232

Child status: 10
Real time (s): 30.0907
CPU time (s): 30.0814
CPU user time (s): 30.0284
CPU system time (s): 0.052991
CPU usage (%): 99.9691
Max. virtual memory (cumulated for all children) (KiB): 329232

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.0284
system time used= 0.052991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12428
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= 8
involuntary context switches= 92

runsolver used 0.033994 second user time and 0.071989 second system time

The end

Launcher Data (download as text)

Begin job on node1 on Tue Feb 20 06:56:26 UTC 2007

IDJOB= 301145
IDBENCH= 20052
IDSOLVER= 105
FILE ID= node1/301145-1171954586

PBS_JOBID= 3848958

Free space on /tmp= 66550 MiB

SOLVER NAME= ranov 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/LargeSize/5SAT/v600/unif-k5-r20-v600-c12000-S883927618-10.cnf
COMMAND LINE= /tmp/evaluation/301145-1171954586/ranov /tmp/evaluation/301145-1171954586/instance-301145-1171954586.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node1/watcher-301145-1171954586 -o ROOT/results/node1/solver-301145-1171954586 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/301145-1171954586/ranov /tmp/evaluation/301145-1171954586/instance-301145-1171954586.cnf            

META MD5SUM SOLVER= f62d3053d967228316972e47f5f50e74
MD5SUM BENCH=  f65bec0a86c887b34d745bc7beb4cebd

RANDOM SEED= 924966346

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node1.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.230
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		: 3000.230
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:       1590216 kB
Buffers:         54468 kB
Cached:         315264 kB
SwapCached:      15284 kB
Active:         259828 kB
Inactive:       133184 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1590216 kB
SwapTotal:     4192956 kB
SwapFree:      4158120 kB
Dirty:            1200 kB
Writeback:           0 kB
Mapped:          29948 kB
Slab:            58268 kB
Committed_AS:   702400 kB
PageTables:       1740 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= 66550 MiB

End job on node1 on Tue Feb 20 06:56:56 UTC 2007