Trace number 3261048

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 0.237963 0.242735

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 benchmark0.042993
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 90335210
0.19/0.24	c try=1 flip j=965 walk=241 seed 90335227
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: 935)

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-3261048-1303515099/watcher-3261048-1303515099 -o /tmp/evaluation-result-3261048-1303515099/solver-3261048-1303515099 -C 2400 -W 1300 -M 7680 sattime+ HOME/instance-3261048-1303515099.cnf 90335097 

running on 2 cores: 5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.09 2.31 2.93 3/179 9373
/proc/meminfo: memFree=20159976/32951124 swapFree=67111524/67111528
[pid=9373] ppid=9371 vsize=880764 CPUtime=0 cores=5,7
/proc/9373/stat : 9373 (sattime+) R 9371 9373 7316 0 -1 4194304 220 0 0 0 0 0 0 0 24 0 1 0 443926041 901902336 164 33554432000 4194304 4228340 140734838963664 18446744073709551615 255106429637 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9373/statm: 220191 164 102 9 0 217348 0

[startup+0.0784329 s]
/proc/loadavg: 1.09 2.31 2.93 3/179 9373
/proc/meminfo: memFree=20159976/32951124 swapFree=67111524/67111528
[pid=9373] ppid=9371 vsize=882608 CPUtime=0.07 cores=5,7
/proc/9373/stat : 9373 (sattime+) R 9371 9373 7316 0 -1 4202496 786 0 0 0 7 0 0 0 24 0 1 0 443926041 903790592 729 33554432000 4194304 4228340 140734838963664 18446744073709551615 4206780 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9373/statm: 220652 729 104 9 0 217809 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 882608

[startup+0.100428 s]
/proc/loadavg: 1.09 2.31 2.93 3/179 9373
/proc/meminfo: memFree=20159976/32951124 swapFree=67111524/67111528
[pid=9373] ppid=9371 vsize=882608 CPUtime=0.09 cores=5,7
/proc/9373/stat : 9373 (sattime+) R 9371 9373 7316 0 -1 4202496 786 0 0 0 9 0 0 0 24 0 1 0 443926041 903790592 729 33554432000 4194304 4228340 140734838963664 18446744073709551615 4206785 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9373/statm: 220652 729 104 9 0 217809 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 882608

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

[startup+0.200409 s]
/proc/loadavg: 1.09 2.31 2.93 3/179 9373
/proc/meminfo: memFree=20159976/32951124 swapFree=67111524/67111528
[pid=9373] ppid=9371 vsize=882608 CPUtime=0.19 cores=5,7
/proc/9373/stat : 9373 (sattime+) R 9371 9373 7316 0 -1 4202496 786 0 0 0 19 0 0 0 25 0 1 0 443926041 903790592 729 33554432000 4194304 4228340 140734838963664 18446744073709551615 4206879 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9373/statm: 220652 729 104 9 0 217809 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 882608

Child status: 10
Real time (s): 0.242735
CPU time (s): 0.237963
CPU user time (s): 0.235964
CPU system time (s): 0.001999
CPU usage (%): 98.0341
Max. virtual memory (cumulated for all children) (KiB): 882608

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.235964
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1906
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 0.003999 second system time

The end

Launcher Data

Begin job on node144 at 2011-04-23 01:31:39
IDJOB=3261048
IDBENCH=83208
IDSOLVER=1579
FILE ID=node144/3261048-1303515099
RUNJOBID= node144-1303515097-9273
PBS_JOBID= 13134279
Free space on /tmp= 72064 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-3261048-1303515099/watcher-3261048-1303515099 -o /tmp/evaluation-result-3261048-1303515099/solver-3261048-1303515099 -C 2400 -W 1300 -M 7680  sattime+ HOME/instance-3261048-1303515099.cnf 90335097

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 179851d97340610ea74d8d7b3cffb10b
RANDOM SEED=90335097

node144.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		: 2666.850
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	: 5333.70
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		: 2666.850
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	: 5226.16
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		: 2666.850
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	: 5332.75
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		: 2666.850
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	: 5332.83
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		: 2666.850
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	: 5332.75
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		: 2666.850
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	: 5332.82
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		: 2666.850
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	: 5332.75
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		: 2666.850
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	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      20160008 kB
Buffers:       1863488 kB
Cached:       10333828 kB
SwapCached:          4 kB
Active:        2935120 kB
Inactive:      9326984 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      20160008 kB
SwapTotal:    67111528 kB
SwapFree:     67111524 kB
Dirty:           16144 kB
Writeback:           0 kB
AnonPages:       64408 kB
Mapped:          15120 kB
Slab:           463944 kB
PageTables:       5032 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  1086912 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= 72040 MiB
End job on node144 at 2011-04-23 01:31:39