Trace number 3322663

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
claspmt 2.0-R4095SAT 1.09283 0.231901

General information on the benchmark

NameSAT05/crafted/sorge05/QG7a/
gensys-brn002.shuffled-as.sat05-3935.cnf
MD5SUMeda2d1e7d2975da4e019beddc323767b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.337948
Satisfiable
(Un)Satisfiability was proved
Number of variables2401
Number of clauses15897
Sum of the clauses size111804
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32205
Number of clauses of size 4294
Number of clauses of size 5441
Number of clauses of size over 512537

Solver Data 

0.00/0.00	c clasp version 2.0.0-RC2
0.00/0.00	c Reading from ...392575/instance-3322663-1304392575.cnf
0.00/0.05	c Solving...
0.93/0.22	c Answer: 1
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0.93/0.22	v 2389 -2390 -2391 2392 2393 2394 2395 2396 -2397 2398 -2399 2400 2401 0
0.93/0.23	s SATISFIABLE
0.93/0.23	
0.93/0.23	c Models        : 1+    
0.93/0.23	c Time          : 0.218s (Solving: 0.16s 1st Model: 0.16s Unsat: 0.00s)
0.93/0.23	c CPU Time      : 1.070s

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-3322663-1304392575/watcher-3322663-1304392575 -o /tmp/evaluation-result-3322663-1304392575/solver-3322663-1304392575 -C 40000 -W 5100 -M 31000 HOME/claspmt -t8 -p HOME/sat11-port.txt --distribute=all,2 HOME/instance-3322663-1304392575.cnf 

running on 8 cores: 0,2,4,6,1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 40000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 40030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 31744000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 31795200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 9.12 9.07 9.00 2/349 28889
/proc/meminfo: memFree=25379388/32951124 swapFree=67091720/67111528
[pid=28889] ppid=28887 vsize=22296 CPUtime=0 cores=0-7
/proc/28889/stat : 28889 (claspmt) R 28887 28889 28725 0 -1 4202496 892 0 0 0 0 0 0 0 24 0 1 0 531672975 22831104 803 33554432000 4194304 4964704 140736457503744 18446744073709551615 228095450880 0 0 4096 18946 0 0 0 17 6 0 0 0
/proc/28889/statm: 5574 804 389 189 0 448 0

[startup+0.191505 s]
/proc/loadavg: 9.12 9.07 9.00 2/349 28889
/proc/meminfo: memFree=25379388/32951124 swapFree=67091720/67111528
[pid=28889] ppid=28887 vsize=385220 CPUtime=0.87 cores=0-7
/proc/28889/stat : 28889 (claspmt) R 28887 28889 28725 0 -1 4202496 4230 0 0 0 86 1 0 0 18 0 8 0 531672975 394465280 3974 33554432000 4194304 4964704 140736457503744 18446744073709551615 4364587 0 0 4096 18946 18446744073709551615 0 0 17 4 0 0 0
/proc/28889/statm: 96305 3974 464 189 0 90654 0
Current children cumulated CPU time (s) 0.87
Current children cumulated vsize (KiB) 385220

[startup+0.200502 s]
/proc/loadavg: 9.12 9.07 9.00 2/349 28889
/proc/meminfo: memFree=25379388/32951124 swapFree=67091720/67111528
[pid=28889] ppid=28887 vsize=385352 CPUtime=0.93 cores=0-7
/proc/28889/stat : 28889 (claspmt) R 28887 28889 28725 0 -1 4202496 4295 0 0 0 92 1 0 0 18 0 8 0 531672975 394600448 4039 33554432000 4194304 4964704 140736457503744 18446744073709551615 4668921 0 0 4096 18946 18446744073709551615 0 0 17 4 0 0 0
/proc/28889/statm: 96338 4039 464 189 0 90687 0
Current children cumulated CPU time (s) 0.93
Current children cumulated vsize (KiB) 385352

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

Child status: 10
Real time (s): 0.231901
CPU time (s): 1.09283
CPU user time (s): 1.07384
CPU system time (s): 0.018997
CPU usage (%): 471.25
Max. virtual memory (cumulated for all children) (KiB): 385352

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.07384
system time used= 0.018997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4409
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= 1241
involuntary context switches= 178

runsolver used 0.002999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node142 at 2011-05-03 05:16:15
IDJOB=3322663
IDBENCH=85786
IDSOLVER=1711
FILE ID=node142/3322663-1304392575
RUNJOBID= node142-1304390297-28739
PBS_JOBID= 13181831
Free space on /tmp= 73476 MiB

SOLVER NAME= claspmt 2.0-R4095
BENCH NAME= SAT05/crafted/sorge05/QG7a/gensys-brn002.shuffled-as.sat05-3935.cnf
COMMAND LINE= HOME/claspmt -tNBCORE -p HOME/sat11-port.txt --distribute=all,2 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3322663-1304392575/watcher-3322663-1304392575 -o /tmp/evaluation-result-3322663-1304392575/solver-3322663-1304392575 -C 40000 -W 5100 -M 31000  HOME/claspmt -t8 -p HOME/sat11-port.txt --distribute=all,2 HOME/instance-3322663-1304392575.cnf

TIME LIMIT= 40000 seconds
MEMORY LIMIT= 31000 MiB
NBCORE= 8

MD5SUM BENCH= eda2d1e7d2975da4e019beddc323767b
RANDOM SEED=545476064

node142.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		: 2666.846
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	: 5333.69
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		: 2666.846
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	: 5131.95
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		: 2666.846
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	: 5332.82
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		: 2666.846
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	: 5332.67
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		: 2666.846
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	: 5332.81
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		: 2666.846
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		: 2666.846
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		: 2666.846
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      25379792 kB
Buffers:        363540 kB
Cached:        1485588 kB
SwapCached:       3844 kB
Active:        4476992 kB
Inactive:      2688620 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      25379792 kB
SwapTotal:    67111528 kB
SwapFree:     67091720 kB
Dirty:            1564 kB
Writeback:           0 kB
AnonPages:     5313716 kB
Mapped:          28672 kB
Slab:           307232 kB
PageTables:      31924 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 77197712 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= 73476 MiB
End job on node142 at 2011-05-03 05:16:15