Trace number 3322422

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 4.91525 0.876142

General information on the benchmark

Namecrafted/skvortsov/
automata-synchronization/rnd_100_28_s.cnf
MD5SUM87b5938a349a8614bebb638e28ff1198
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark5.46017
Satisfiable
(Un)Satisfiability was proved
Number of variables2856
Number of clauses10578
Sum of the clauses size26556
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 25178
Number of clauses of size 35400
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c clasp version 2.0.0-RC2
0.00/0.00	c Reading from ...385181/instance-3322422-1304385181.cnf
0.00/0.04	c Solving...
0.17/0.86	c Answer: 1
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0.17/0.86	v -2835 2836 2837 -2838 2839 -2840 2841 -2842 -2843 2844 -2845 2846 -2847
0.17/0.86	v 2848 2849 -2850 2851 -2852 2853 -2854 -2855 2856 0
3.35/0.87	s SATISFIABLE
3.35/0.87	
3.35/0.87	c Models        : 1+    
3.35/0.87	c Time          : 0.866s (Solving: 0.82s 1st Model: 0.82s Unsat: 0.00s)
3.35/0.87	c CPU Time      : 4.900s

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-3322422-1304385181/watcher-3322422-1304385181 -o /tmp/evaluation-result-3322422-1304385181/solver-3322422-1304385181 -C 40000 -W 5100 -M 31000 HOME/claspmt -t8 -p HOME/sat11-port.txt --distribute=all,2 HOME/instance-3322422-1304385181.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: 9.55 10.04 10.06 3/350 27942
/proc/meminfo: memFree=25294376/32951124 swapFree=67091720/67111528
[pid=27942] ppid=27940 vsize=22436 CPUtime=0 cores=0-7
/proc/27942/stat : 27942 (claspmt) R 27940 27942 26224 0 -1 4202496 948 0 0 0 0 0 0 0 25 0 1 0 530933551 22974464 828 33554432000 4194304 4964704 140733578905104 18446744073709551615 228095111877 0 0 4096 18946 0 0 0 17 4 0 0 0
/proc/27942/statm: 5609 828 403 189 0 483 0

[startup+0.0768121 s]
/proc/loadavg: 9.55 10.04 10.06 3/350 27942
/proc/meminfo: memFree=25294376/32951124 swapFree=67091720/67111528
[pid=27942] ppid=27940 vsize=384152 CPUtime=0.17 cores=0-7
/proc/27942/stat : 27942 (claspmt) R 27940 27942 26224 0 -1 4202496 2418 0 0 0 17 0 0 0 25 0 8 0 530933551 393371648 2140 33554432000 4194304 4964704 140733578905104 18446744073709551615 4670132 0 0 4096 18946 18446744073709551615 0 0 17 2 0 0 0
/proc/27942/statm: 96038 2140 464 189 0 90387 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 384152

[startup+0.132489 s]
/proc/loadavg: 9.55 10.04 10.06 3/350 27942
/proc/meminfo: memFree=25294376/32951124 swapFree=67091720/67111528
[pid=27942] ppid=27940 vsize=384952 CPUtime=3.35 cores=0-7
/proc/27942/stat : 27942 (claspmt) R 27940 27942 26224 0 -1 4202496 3579 0 0 0 335 0 0 0 25 0 8 0 530933551 394190848 3301 33554432000 4194304 4964704 140733578905104 18446744073709551615 228095556078 0 0 4096 18946 18446744073709551615 0 0 17 2 0 0 0
/proc/27942/statm: 96271 3608 466 189 0 90620 0
Current children cumulated CPU time (s) 3.35
Current children cumulated vsize (KiB) 384952

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

Child status: 10
Real time (s): 0.876142
CPU time (s): 4.91525
CPU user time (s): 4.90425
CPU system time (s): 0.010998
CPU usage (%): 561.011
Max. virtual memory (cumulated for all children) (KiB): 384952

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.90425
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3896
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= 774
involuntary context switches= 76

runsolver used 0.001999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node142 at 2011-05-03 03:13:01
IDJOB=3322422
IDBENCH=83187
IDSOLVER=1711
FILE ID=node142/3322422-1304385181
RUNJOBID= node142-1304366464-26238
PBS_JOBID= 13181731
Free space on /tmp= 73256 MiB

SOLVER NAME= claspmt 2.0-R4095
BENCH NAME= SAT11/crafted/skvortsov/automata-synchronization/rnd_100_28_s.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-3322422-1304385181/watcher-3322422-1304385181 -o /tmp/evaluation-result-3322422-1304385181/solver-3322422-1304385181 -C 40000 -W 5100 -M 31000  HOME/claspmt -t8 -p HOME/sat11-port.txt --distribute=all,2 HOME/instance-3322422-1304385181.cnf

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

MD5SUM BENCH= 87b5938a349a8614bebb638e28ff1198
RANDOM SEED=287330356

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:      25294780 kB
Buffers:        358404 kB
Cached:        1482548 kB
SwapCached:       3812 kB
Active:        4559472 kB
Inactive:      2688232 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      25294780 kB
SwapTotal:    67111528 kB
SwapFree:     67091720 kB
Dirty:             956 kB
Writeback:           0 kB
AnonPages:     5404356 kB
Mapped:          28724 kB
Slab:           308016 kB
PageTables:      31864 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 77295984 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= 73256 MiB
End job on node142 at 2011-05-03 03:13:02