Trace number 3260545

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
ppfolio parSAT 4.55231 1.14254

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 benchmark0.788879
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	This is pico-portfolio, a naive parallel portfolio
0.00/0.00	Copyright (C) 2011 Olivier Roussel
0.00/0.00	Using 4 processing units
0.00/0.00	This portfolio uses the following solvers:
0.00/0.00	[1] cryptominisat 2.7.1 (Mate Soos)
0.00/0.00	[2] clasp 1.3.6 (Martin Gebser, Benjamin Kaufmann, and Torsten Schaub)
0.00/0.00	[3] TNM 2009 (Wanxia Wei and Chu Min Li)
0.00/0.00	[4] lingeling 276-6264d55-100731 (Armin Biere)
0.00/0.00	[5] march_hi 2009 (Marijn Heule and Hans Van Maaren)
0.00/0.00	Starting cryptominisat 2.7.1 on core(s) 0
0.00/0.00	Starting clasp 1.3.6 on core(s) 4
0.00/0.00	Starting TNM 2009 on core(s) 6
0.00/0.00	Starting lingeling 276-6264d55-100731 on core(s) 2
0.00/0.00	Starting march_hi 2009 on core(s) 6
0.00/1.14	s SATISFIABLE
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0.00/1.14	v -2810 -2811 2812 -2813 2814 2815 -2816 2817 -2818 2819 -2820 -2821 2822 -2823
0.00/1.14	v 2824 2825 -2826 -2827 2828 2829 -2830 2831 -2832 -2833 2834 -2835 2836 2837
0.00/1.14	v -2838 2839 -2840 2841 -2842 -2843 2844 2845 -2846 -2847 2848 -2849 2850 -2851
0.00/1.14	v 2852 2853 -2854 2855 -2856 0
0.00/1.14	solver [4] lingeling 276-6264d55-100731 answered
0.00/1.14	Done

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-3260545-1304084740/watcher-3260545-1304084740 -o /tmp/evaluation-result-3260545-1304084740/solver-3260545-1304084740 -C 4800 -W 1300 -M 15500 ppfolio HOME/instance-3260545-1304084740.cnf 

running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 4800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 4830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 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: 10.21 10.20 10.02 6/182 16456
/proc/meminfo: memFree=25769908/32950928 swapFree=67111364/67111528
[pid=16456] ppid=16454 vsize=18324 CPUtime=0 cores=0,2,4,6
/proc/16456/stat : 16456 (ppfolio) R 16454 16456 15268 0 -1 4202496 518 0 0 0 0 0 0 0 25 0 1 0 520073669 18763776 390 33554432000 4194304 4287625 140734793383376 18446744073709551615 208080252431 0 0 4096 65536 0 0 0 17 4 0 0 0
/proc/16456/statm: 4581 390 341 23 0 91 0

[startup+0.436885 s]
/proc/loadavg: 10.21 10.20 10.02 6/182 16456
/proc/meminfo: memFree=25769908/32950928 swapFree=67111364/67111528
[pid=16456] ppid=16454 vsize=18324 CPUtime=0 cores=0,2,4,6
/proc/16456/stat : 16456 (ppfolio) S 16454 16456 15268 0 -1 4202496 519 0 0 0 0 0 0 0 22 0 1 0 520073669 18763776 390 33554432000 4194304 4287625 140734793383376 18446744073709551615 208080252431 0 0 4096 65536 4057400633244778495 0 0 17 4 0 0 0
/proc/16456/statm: 4581 390 341 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

[startup+0.50087 s]
/proc/loadavg: 10.21 10.20 10.02 6/182 16456
/proc/meminfo: memFree=25769908/32950928 swapFree=67111364/67111528
[pid=16456] ppid=16454 vsize=18324 CPUtime=0 cores=0,2,4,6
/proc/16456/stat : 16456 (ppfolio) S 16454 16456 15268 0 -1 4202496 519 0 0 0 0 0 0 0 22 0 1 0 520073669 18763776 390 33554432000 4194304 4287625 140734793383376 18446744073709551615 208080252431 0 0 4096 65536 4057400633244778495 0 0 17 4 0 0 0
/proc/16456/statm: 4581 390 341 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

[startup+0.600853 s]
/proc/loadavg: 10.21 10.20 10.02 6/182 16456
/proc/meminfo: memFree=25769908/32950928 swapFree=67111364/67111528
[pid=16456] ppid=16454 vsize=18324 CPUtime=0 cores=0,2,4,6
/proc/16456/stat : 16456 (ppfolio) S 16454 16456 15268 0 -1 4202496 519 0 0 0 0 0 0 0 21 0 1 0 520073669 18763776 390 33554432000 4194304 4287625 140734793383376 18446744073709551615 208080252431 0 0 4096 65536 4057400633244778495 0 0 17 4 0 0 0
/proc/16456/statm: 4581 390 341 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

[startup+0.700833 s]
/proc/loadavg: 10.21 10.20 10.02 6/182 16456
/proc/meminfo: memFree=25769908/32950928 swapFree=67111364/67111528
[pid=16456] ppid=16454 vsize=18324 CPUtime=0 cores=0,2,4,6
/proc/16456/stat : 16456 (ppfolio) S 16454 16456 15268 0 -1 4202496 519 0 0 0 0 0 0 0 21 0 1 0 520073669 18763776 390 33554432000 4194304 4287625 140734793383376 18446744073709551615 208080252431 0 0 4096 65536 4057400633244778495 0 0 17 4 0 0 0
/proc/16456/statm: 4581 390 341 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

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

[startup+1.10076 s]
/proc/loadavg: 10.21 10.20 10.02 6/182 16456
/proc/meminfo: memFree=25769908/32950928 swapFree=67111364/67111528
[pid=16456] ppid=16454 vsize=18324 CPUtime=0 cores=0,2,4,6
/proc/16456/stat : 16456 (ppfolio) S 16454 16456 15268 0 -1 4202496 519 0 0 0 0 0 0 0 15 0 1 0 520073669 18763776 390 33554432000 4194304 4287625 140734793383376 18446744073709551615 208080252431 0 0 4096 65536 4057400633244778495 0 0 17 4 0 0 0
/proc/16456/statm: 4581 390 341 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

Child status: 0
Real time (s): 1.14254
CPU time (s): 4.55231
CPU user time (s): 4.53831
CPU system time (s): 0.013997
CPU usage (%): 398.436
Max. virtual memory (cumulated for all children) (KiB): 18324

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.53831
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9110
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= 50
involuntary context switches= 65

runsolver used 0.002999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node127 at 2011-04-29 15:45:40
IDJOB=3260545
IDBENCH=83187
IDSOLVER=1612
FILE ID=node127/3260545-1304084740
RUNJOBID= node127-1304077884-15286
PBS_JOBID= 13170516
Free space on /tmp= 71796 MiB

SOLVER NAME= ppfolio par
BENCH NAME= SAT11/crafted/skvortsov/automata-synchronization/rnd_100_28_s.cnf
COMMAND LINE= ppfolio BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3260545-1304084740/watcher-3260545-1304084740 -o /tmp/evaluation-result-3260545-1304084740/solver-3260545-1304084740 -C 4800 -W 1300 -M 15500  ppfolio HOME/instance-3260545-1304084740.cnf

TIME LIMIT= 4800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 87b5938a349a8614bebb638e28ff1198
RANDOM SEED=923955797

node127.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		: 2666.823
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	: 5333.64
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		: 2666.823
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	: 5332.83
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		: 2666.823
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		: 2666.823
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	: 5332.86
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		: 2666.823
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		: 2666.823
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		: 2666.823
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	: 5332.60
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		: 2666.823
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      25770188 kB
Buffers:       1396196 kB
Cached:        4740072 kB
SwapCached:          0 kB
Active:        2311604 kB
Inactive:      4392724 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      25770188 kB
SwapTotal:    67111528 kB
SwapFree:     67111364 kB
Dirty:           35208 kB
Writeback:           0 kB
AnonPages:      568228 kB
Mapped:          16980 kB
Slab:           410828 kB
PageTables:       6432 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:  1193800 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= 71784 MiB
End job on node127 at 2011-04-29 15:45:41