Trace number 3427196

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
sattime 2011-03-02SAT 0.241962 0.245238

General information on the benchmark

Namecrafted/skvortsov/battleship/
battleship-24-57-sat.cnf
MD5SUM179851d97340610ea74d8d7b3cffb10b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.039993
Satisfiable
(Un)Satisfiability was proved
Number of variables1368
Number of clauses16308
Sum of the clauses size64296
Maximum clause length57
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 215732
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 5576

Solver Data

0.19/0.24	c 0 clauses are redundant and removed
0.19/0.24	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.19/0.24	c 0 vars are fixed and 0 clauses are removed after lookahead
0.19/0.24	c initial seed is 58113989
0.19/0.24	c try=1 flip j=806 walk=72 seed 58114006
0.19/0.24	c A solution is found
0.19/0.24	s SATISFIABLE
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0.19/0.24	v 0 
0.19/0.24	c Done (mycputime is 0 seconds)

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3427196-1306766776/watcher-3427196-1306766776 -o /tmp/evaluation-result-3427196-1306766776/solver-3427196-1306766776 -C 5000 -W 5100 -M 15500 sattime HOME/instance-3427196-1306766776.cnf 58113989 

running on 4 cores: 1,3,5,7

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): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.06 2.02 1.97 3/273 14864
/proc/meminfo: memFree=13516744/32951124 swapFree=55664332/67111528
[pid=14864] ppid=14862 vsize=990272 CPUtime=0 cores=1,3,5,7
/proc/14864/stat : 14864 (sattime) R 14862 14864 14517 0 -1 4194304 277 0 0 0 0 0 0 0 25 0 1 0 788278381 1014038528 222 33554432000 4194304 4228548 140736502306624 18446744073709551615 222921437893 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/14864/statm: 247568 222 101 9 0 244725 0

[startup+0.068635 s]
/proc/loadavg: 2.06 2.02 1.97 3/273 14864
/proc/meminfo: memFree=13516744/32951124 swapFree=55664332/67111528
[pid=14864] ppid=14862 vsize=991984 CPUtime=0.06 cores=1,3,5,7
/proc/14864/stat : 14864 (sattime) R 14862 14864 14517 0 -1 4202496 783 0 0 0 6 0 0 0 25 0 1 0 788278381 1015791616 727 33554432000 4194304 4228548 140736502306624 18446744073709551615 4207185 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/14864/statm: 247996 727 104 9 0 245153 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 991984

[startup+0.100629 s]
/proc/loadavg: 2.06 2.02 1.97 3/273 14864
/proc/meminfo: memFree=13516744/32951124 swapFree=55664332/67111528
[pid=14864] ppid=14862 vsize=991984 CPUtime=0.09 cores=1,3,5,7
/proc/14864/stat : 14864 (sattime) R 14862 14864 14517 0 -1 4202496 783 0 0 0 9 0 0 0 25 0 1 0 788278381 1015791616 727 33554432000 4194304 4228548 140736502306624 18446744073709551615 4207286 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/14864/statm: 247996 727 104 9 0 245153 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 991984

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

[startup+0.200598 s]
/proc/loadavg: 2.06 2.02 1.97 3/273 14864
/proc/meminfo: memFree=13516744/32951124 swapFree=55664332/67111528
[pid=14864] ppid=14862 vsize=991984 CPUtime=0.19 cores=1,3,5,7
/proc/14864/stat : 14864 (sattime) R 14862 14864 14517 0 -1 4202496 783 0 0 0 19 0 0 0 25 0 1 0 788278381 1015791616 727 33554432000 4194304 4228548 140736502306624 18446744073709551615 4207290 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/14864/statm: 247996 727 104 9 0 245153 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 991984

Child status: 10
Real time (s): 0.245238
CPU time (s): 0.241962
CPU user time (s): 0.240963
CPU system time (s): 0.000999
CPU usage (%): 98.6642
Max. virtual memory (cumulated for all children) (KiB): 991984

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.240963
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2108
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= 2

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data

Begin job on node109 at 2011-05-30 16:46:16
IDJOB=3427196
IDBENCH=83208
IDSOLVER=1923
FILE ID=node109/3427196-1306766776
RUNJOBID= node109-1306761773-14536
PBS_JOBID= 13475015
Free space on /tmp= 59220 MiB

SOLVER NAME= sattime 2011-03-02
BENCH NAME= SAT11/crafted/skvortsov/battleship/battleship-24-57-sat.cnf
COMMAND LINE= sattime BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3427196-1306766776/watcher-3427196-1306766776 -o /tmp/evaluation-result-3427196-1306766776/solver-3427196-1306766776 -C 5000 -W 5100 -M 15500  sattime HOME/instance-3427196-1306766776.cnf 58113989

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 179851d97340610ea74d8d7b3cffb10b
RANDOM SEED=58113989

node109.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.61
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      13516900 kB
Buffers:        251268 kB
Cached:       16712764 kB
SwapCached:      10136 kB
Active:       15321984 kB
Inactive:      3509132 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      13516900 kB
SwapTotal:    67111528 kB
SwapFree:     55664332 kB
Dirty:            8164 kB
Writeback:           0 kB
AnonPages:     1863180 kB
Mapped:          16424 kB
Slab:           503232 kB
PageTables:      37788 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 31975424 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 59212 MiB
End job on node109 at 2011-05-30 16:46:17